CN208150332U - Screw conveyor - Google Patents
Screw conveyor Download PDFInfo
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- CN208150332U CN208150332U CN201820622919.8U CN201820622919U CN208150332U CN 208150332 U CN208150332 U CN 208150332U CN 201820622919 U CN201820622919 U CN 201820622919U CN 208150332 U CN208150332 U CN 208150332U
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- screw
- feed pipe
- chute feeder
- feeding
- feeding screw
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Abstract
The utility model discloses a kind of screw conveyors, belong to powder machinery conveying technology field.The screw conveyor includes driving device, chute feeder, feed pipe and feeding screw, chute feeder and the equal gap of feed pipe are set on the outside of feeding screw, chute feeder rear end is provided with feed inlet, feed pipe is connected in front of chute feeder, the front end of feed pipe is provided with discharge port, and material enters from the feed inlet of chute feeder, is covered on feeding screw, when feeding screw rotation, material is pushed forward by feeding screw and is sent out by feed pipe from discharge port；Feeding screw and the output end of driving device connect, and the screw pitch that feeding screw is located at the part in chute feeder is less than the screw pitch being located in feed pipe.The conveying capacity of fine pitch is lower than the conveying capacity of big screw pitch, i.e., the material conveying capacity in chute feeder is less than the material conveying capacity in feed pipe, the material in feed pipe can be made comparatively fast to send out in this way, alleviates the phenomenon that material accumulation blocks in feed pipe.
Description
Technical field
The utility model relates to powder machinery conveying technology field more particularly to a kind of screw conveyors.
Background technique
Screw conveyor is a kind of common powder conveying equipment, since its conveying capacity is big, good seal performance, it is high-efficient and
It is widely used each production field.Its principle is to drive spiral to turn round using motor, elapses material to realize conveying purpose
Machinery.Its energy level, inclination or vertical transport, with structure is simple, cross-sectional area is small, good airproof performance, easy to operate, maintenance
It is easy, is convenient for the advantages that enclosed conveying.
Wherein, small-sized screw conveyor is in conveying solid material, due to solid material by the extruding of feeding screw and
It rubs and is broken into powder, gap of the powder accumulation between feeding screw and feed pipe, with the extension of runing time, accumulation
Powder be increasing reunion agglomeration, when system has moisture, agglomeration problems are more serious, eventually result in feeding screw by card
Extremely, or even the axis of generation feeding screw is twisted off.
Utility model content
The purpose of this utility model is to provide a kind of screw conveyors, to solve powder material existing in the prior art
In feed pipe the problem of accumulation extruding, stuck spiral.
To achieve the above object, following technical scheme is provided,
Screw conveyor provided by the utility model, including driving device, chute feeder, feed pipe and feeding screw,
The chute feeder and the equal gap of the feed pipe are set on the outside of the feeding screw, the chute feeder rear end setting
There is feed inlet, the feed pipe is connected in front of the chute feeder, and the front end of the feed pipe is provided with discharge port；
The feeding screw is connect with the output end of the driving device, and the feeding screw is located in the chute feeder
Partial screw pitch is less than the screw pitch being located in the feed pipe.
Further, the feeding screw is arranged diagonally downward from feed end to discharge end, the axis of the feed pipe with
The axis of the feeding screw is arranged in parallel.
Further, bobbing machine is provided on the outside of the chute feeder.
Further, the screw conveyor further includes feeding device, the outlet of the feed inlet and the feeding device
The upside of the chute feeder is arranged in connection, the feed inlet.
Further, the feeding device is hopper, and the upper end use of the hopper, which opens flanged joint fastly, top cover.
Further, the discharge port of the feed pipe is connected with downwards feeder pipe.
Further, the feeder pipe is connect by hose with storage equipment.
Further, the driving device includes drive motor, reduction gearbox and shaft coupling, the input shaft of the reduction gearbox with
The drive motor connection, the output shaft of the reduction gearbox are connect by shaft coupling with the feeding screw.
Further, the screw conveyor further includes control device, and the control device includes frequency converter, velocity pick-up
Device and controller, the frequency converter are connect with the driving device, and the velocity sensor setting is close in the feeding screw
One end of the driving device, the frequency converter and the velocity sensor are connect with the controller.
Further, one end close to the driving device of the feeding screw is arranged with turntable, the velocity pick-up
Device is arranged on the turntable.
Compared with prior art, screw conveyor provided by the utility model, before being with material direction of advance, after feeding section
Side is provided with chute feeder, and front is provided with feed pipe, and material enters from the feed inlet of chute feeder, is covered on feeding screw, when
When feeding screw rotates, material is pushed forward by feeding screw and is sent out by feed pipe from discharge port.Feeding screw is in feeding
Screw pitch in slot is less than the screw pitch in feed pipe, and the conveying capacity of fine pitch is lower than the conveying capacity of big screw pitch, i.e. object in chute feeder
Expect the material conveying capacity that conveying capacity is less than in feed pipe, the material in feed pipe can be made comparatively fast to send out in this way, reduce material
Grain is excessively compressed and rubbed against in feed pipe and is crushed, that is, alleviates the phenomenon that material accumulation blocks in feed pipe.Feeding
Spiral and feed pipe, which are obliquely installed, to be conducive to material and is sent, in addition the effect of vibration of bobbing machine, material compare in feed pipe
Loosely, these special design methods greatly reduce material and are excessively compressed and rubbed against and be crushed in feed pipe, i.e.,
Accumulated plugging phenomenon, the effect of vibration of the bobbing machine on the outside of chute feeder also can avoid material feeding device and chute feeder it
Between bridging phenomenon.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the screw conveyor in the utility model embodiment.
Appended drawing reference：1- drive motor；2- reduction gearbox；3- shaft coupling；4- turntable；5- velocity sensor；6- bobbing machine；7-
Chute feeder；8- feeding screw；9- feed pipe；10- feeder pipe；11- hopper；12- top cover；13- frequency converter；14- controller；15-
Hose；16- storage equipment；17- shell.
Specific embodiment
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
It is described in further detail below in conjunction with technical solution of the attached drawing to the utility model embodiment, it is clear that described reality
Applying example is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention,
It is practical new to belong to this for those skilled in the art's every other embodiment obtained without making creative work
The range of type protection.
As shown in Figure 1, screw conveyor provided by the utility model includes：It driving device, chute feeder 7, feed pipe 9 and send
Expect spiral 8, chute feeder 7 and the equal gap of feed pipe 9 are set in 8 outside of feeding screw, and 7 rear end of chute feeder is provided with feed inlet, send
Expects pipe 9 is connected to 7 front of chute feeder, and the front end of feed pipe 9 is provided with discharge port；The output end of feeding screw 8 and driving device
Connection, the screw pitch that feeding screw 8 is located at the part in chute feeder 7 are less than the screw pitch being located in feed pipe 9.The conveying capacity of fine pitch
Lower than the conveying capacity of big screw pitch, i.e. material conveying capacity in chute feeder 7 is less than the material conveying capacity in feed pipe 9, can make in this way
Material in feed pipe 9 is comparatively fast sent out, and is reduced material particles and is excessively compressed and rubbed against and be crushed in feed pipe 9, i.e.,
Alleviate the phenomenon that material accumulation blocks in feed pipe 9.
Further, feeding screw 8 is arranged diagonally downward from feed end to discharge end, the axis and feeding spiral shell of feed pipe 9
The axis of rotation 8 is arranged in parallel.Screw conveyor further includes feeding device, the outlet connection of feed inlet and feeding device, feed inlet
The upside of chute feeder 7 is set.Wherein, feeding device is hopper 11, and the upper end use of hopper 11, which opens flanged joint fastly, top cover
12.Specifically, opening flange fastly is a circular lid mouth for being evenly equipped with 6 screw holes, is provided on opposite top cover 12 and circular lid
The corresponding through-hole of screw hole on mouth, the through-hole that adjusting screw passes through on top cover 12 are screwed into the screw hole on lid mouth and realize lid
It closes, when needing to open, can easily unscrew adjusting screw and open top cover 12.Further, it is provided on the outside of chute feeder 7
Bobbing machine 6.Further, the discharge port of feed pipe 9 is connected with downwards feeder pipe 10.Further, feeder pipe 10 passes through hose
15 connect with storage equipment 16.Feeding screw 8 and feed pipe 9, which are obliquely installed, to be conducive to material and is sent, in addition the vibration of bobbing machine 6
Movement is used, and material is more open in feed pipe 9, these special design methods greatly reduce material quilt in feed pipe 9
It excessively compresses and rubs against and is crushed, is i.e. accumulated plugging phenomenon, positioned at the effect of vibration of the bobbing machine 6 in 7 outside of chute feeder
It can avoid bridging phenomenon of the material between feeding device and chute feeder 7.
Specifically, chute feeder 7 is cuboid slot, and the upper end is opening, is connect with the outlet of 11 lower end of hopper.Feeding screw
One section of lateral gap between 8 rear end and chute feeder 7 is arranged with shell 17, and the front end of the shell 17 and chute feeder 7 weld,
Rear end is connect with the axis of feeding screw 8 by sealing bearing.The front end of chute feeder 7 is connected to and welds together with feed pipe 9, send
The diameter of expects pipe 9 is 2-5 times of the diameter of the axis of feeding screw 8, and such diameter difference can guarantee that material is smoothly exported, and
Extrusion abrasion is smaller.
Further, driving device includes drive motor 1, reduction gearbox 2 and shaft coupling 3, the input shaft of reduction gearbox 2 and driving
Motor 1 connects, and the output shaft of reduction gearbox 2 is connect by shaft coupling 3 with feeding screw 8.Further, screw conveyor further includes
Control device, control device include frequency converter 13, velocity sensor 5 and controller 14, and frequency converter 13 is connect with driving device, speed
Feeding screw 8 is arranged in close to one end of driving device in degree sensor 5, frequency converter 13 and velocity sensor 5 with controller 14
Connection.Wherein, one end of the close driving device of feeding screw 8 is arranged with turntable 4, and velocity sensor 5 is arranged on turntable 4.
Reduction gearbox 2 can control the maximum (top) speed of feeding screw 8, therefore controllable maximum charging rate, while drive motor 1 uses frequency conversion
Device 13 controls, and feeding screw 8 can be made arbitrarily to adjust the speed within the scope of maximum (top) speed, and the feeder of 11 top of hopper can appoint as a result,
Speed of anticipating work.The actual speed of feeding screw 8 by the velocity sensor 5 on turntable 4 carries out detection and by speed feedback signal
To controller 14.When feeding screw 8 is stuck, the signal of velocity sensor 5 becomes 0, and driving is immediately controlled in controller 14
Motor 1 stops working, and so avoidable feeding screw 8 is forced the case where torsion to damage even twists off.Feeder pipe 10 passes through
Hose 15 is connect with storage equipment 16, can be transmitted to storage equipment to avoid the vibration of feeder, screw conveyor and bobbing machine 6
On 16.Using flanged joint is opened fastly between top cover 12 and hopper 11, facilitate feeding operation.Helical feed provided by the utility model
Machine can be not only used for stemness system, the system that also can be used for having certain humidity.
Screw conveyor provided by the utility model, before being with material direction of advance, feeding section rear is provided with chute feeder
7, front is provided with feed pipe 9, and material enters from the feed inlet of chute feeder 7, is covered on feeding screw 8, when 8 turns of feeding screw
When dynamic, material is pushed forward by feeding screw 8 and is sent out by feed pipe 9 from discharge port.Feeding screw 8 is in chute feeder 7
Screw pitch is less than the screw pitch in feed pipe 9, and the conveying capacity of fine pitch is lower than the conveying capacity of big screw pitch, i.e. material in chute feeder 7 is defeated
The amount of sending is less than the material conveying capacity in feed pipe 9, the material in feed pipe 9 can be made comparatively fast to send out in this way, reduce material particles
It excessively compresses and rubs against and is crushed in feed pipe 9, that is, alleviate the phenomenon that material accumulation blocks in feed pipe 9.Feeding
Spiral 8 and feed pipe 9, which are obliquely installed, to be conducive to material and is sent, in addition the effect of vibration of bobbing machine 6, material is in feed pipe 9
More open, these special design methods greatly reduce material and are excessively compressed and rubbed against and broken in feed pipe 9
It is broken, i.e. accumulated plugging phenomenon, positioned at the effect of vibration of the bobbing machine 6 in 7 outside of chute feeder also can avoid material in feeding device and
Bridging phenomenon between chute feeder 7.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of screw conveyor, which is characterized in that including driving device, chute feeder (7), feed pipe (9) and feeding screw
(8),
The chute feeder (7) and the feed pipe (9) gap are set on the outside of the feeding screw (8), the chute feeder (7)
Rear end is provided with feed inlet, and the feed pipe (9) is connected in front of the chute feeder (7), the front end setting of the feed pipe (9)
There is discharge port；
The feeding screw (8) connect with the output end of the driving device, and the feeding screw (8) is located at the chute feeder
(7) screw pitch of the part in is less than the screw pitch being located in the feed pipe (9).
2. screw conveyor according to claim 1, which is characterized in that the feeding screw (8) is from feed end to discharging
End is arranged diagonally downward, and the axis of the axis and the feeding screw (8) of the feed pipe (9) is arranged in parallel.
3. screw conveyor according to claim 1, which is characterized in that be provided with bobbing machine on the outside of the chute feeder (7)
(6)。
4. screw conveyor according to claim 1, which is characterized in that it further include feeding device, the feed inlet and institute
State the outlet connection of feeding device, upside of the feed inlet setting in the chute feeder (7).
5. screw conveyor according to claim 4, which is characterized in that the feeding device is hopper (11), the material
Flanged joint is opened in the upper end use of bucket (11) fastly top cover (12).
6. screw conveyor according to claim 1, which is characterized in that the discharge port on the feed pipe (9) to
Under be connected with feeder pipe (10).
7. screw conveyor according to claim 6, which is characterized in that the feeder pipe (10) passes through hose (15) and storage
Expect equipment (16) connection.
8. screw conveyor according to claim 1, which is characterized in that the driving device includes drive motor (1), subtracts
The input shaft of fast case (2) and shaft coupling (3), the reduction gearbox (2) is connect with the drive motor (1), the reduction gearbox (2)
Output shaft is connect by shaft coupling (3) with the feeding screw (8).
9. screw conveyor according to claim 1-8, which is characterized in that it further include control device, the control
Device processed includes frequency converter (13), velocity sensor (5) and controller (14), and the frequency converter (13) and the driving device connect
It connects, velocity sensor (5) setting is in the feeding screw (8) close to one end of the driving device, the frequency converter
(13) it is connect with the controller (14) with the velocity sensor (5).
10. screw conveyor according to claim 9, which is characterized in that the close driving of the feeding screw (8)
One end of device is arranged with turntable (4), and the velocity sensor (5) is arranged on the turntable (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622919.8U CN208150332U (en) | 2018-04-27 | 2018-04-27 | Screw conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820622919.8U CN208150332U (en) | 2018-04-27 | 2018-04-27 | Screw conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208150332U true CN208150332U (en) | 2018-11-27 |
Family
ID=64376959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820622919.8U Active CN208150332U (en) | 2018-04-27 | 2018-04-27 | Screw conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208150332U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557397A (en) * | 2018-04-27 | 2018-09-21 | 合肥正帆电子材料有限公司 | Screw conveyor |
-
2018
- 2018-04-27 CN CN201820622919.8U patent/CN208150332U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108557397A (en) * | 2018-04-27 | 2018-09-21 | 合肥正帆电子材料有限公司 | Screw conveyor |
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