CN210794692U

CN210794692U - Screw conveyer

Info

Publication number: CN210794692U
Application number: CN201921872403.XU
Authority: CN
Inventors: 何秀苗
Original assignee: Jiangsu Chongchang Machinery Co ltd
Current assignee: Jiangsu Chongchang Machinery Co ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-06-19
Anticipated expiration: 2029-11-02

Abstract

The utility model discloses a screw conveyer, including rotatory well core rod, last body, lower body, charge door, discharge gate, drive end support frame, discharge end support frame, shaft coupling, reducing gear box and driving motor. The utility model belongs to the technical field of conveying equipment, specifically be one kind through setting up multistage reduction gear increase helical blade moment of torsion to the realization is to the transport of the material that density is big and the solid content is high, sets up a plurality of charge inlets and can the multiple spot reinforced, realizes assembling the supplied materials and transmits the screw conveyer of accomplishing simultaneously.

Description

Screw conveyer

Technical Field

The utility model belongs to the technical field of conveying equipment, specifically indicate a screw conveyer.

Background

The screw conveyer is a common device in the field of transport machinery, is used for carrying materials, is a conveying device widely applied to industrial production, is mainly used for conveying powdery, granular and small blocky materials, and has the advantages of simple structure, small cross-sectional area, good sealing property and the like. The material enters the spiral groove from the feed inlet of the spiral conveyor, and the spiral shaft in the spiral groove rotates to drive the spiral blade to convey the material from the feed inlet to the discharge outlet, so that the material is conveyed.

The screw conveyer is driven by a motor, the motor is connected with the spiral rotating blade through a speed reducer, the size of the speed reducer of the general screw conveyer is small, single-stage speed reduction can be realized, and the speed reduction effect is poor. For materials with high density and high solid content, the materials have high mass and high viscosity, so that the conveying resistance is high, and the driving force of the traditional speed reducer is insufficient, so that the requirements of the special materials cannot be met; traditional screw conveyer can only realize pure conveying, need to carry out conveying and assemble two steps to going on to multiunit material, has increased production step and cost of transportation.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned current difficult problem, the utility model provides a thereby increase the screw blade moment of torsion through setting up multistage reduction gear and realize the transport to the material that density is big and the solid content is high, set up a plurality of charge inlets and can the multiple spot reinforced, realize assembling the supplied materials and transmit the screw conveyer of accomplishing simultaneously.

The utility model adopts the following technical scheme: a screw conveyer comprises a rotating central rod, an upper pipe body, a lower pipe body, a charging opening, a discharging opening, a driving end supporting frame, a discharging end supporting frame, a coupler, a reduction box and a driving motor, wherein the upper pipe body and the lower pipe body are in the same semicircular arc surfaces, the concave arc surface of the upper pipe body faces downwards, the concave arc surface of the lower pipe body faces upwards, the upper pipe body is arranged above the lower pipe body and is coaxial with the lower pipe body, the upper pipe body and the lower pipe body can form a complete circular pipe cavity, the driving end supporting frame and the discharging end supporting frame are respectively arranged at two ends of the lower pipe body, the rotating central rod is arranged in the circular pipe cavity formed by the upper pipe body and the lower pipe body, one end of the rotating central rod can be rotatably arranged on the discharging end supporting frame, the rotating central rod penetrates through the driving end supporting frame, the charging opening is arranged, the reduction gearbox is connected with the rotating center rod through a coupler, and the driving motor is connected with the reduction gearbox.

Further, the rotating central rod is spirally provided with a helical blade.

Furthermore, the charge door includes charge door one, charge door two and charge door three, charge door one, charge door two and charge door three locate in proper order on the body along rotatory well core's direction.

Furthermore, a discharging end bearing is arranged in the center of the discharging end support frame, a driving end bearing is arranged in the center of the driving end support frame, the discharging end bearing is sleeved on the end portion of the central rotating rod, and the driving end bearing is sleeved on the central rotating rod.

Furthermore, a middle support frame is arranged below the middle of the lower pipe body.

Furthermore, the reduction gearbox comprises a box body, a first transmission shaft, a second transmission shaft, a third transmission shaft, a first transmission gear, a first reduction gear, a second transmission gear and a second reduction gear, two ends of the first transmission shaft, the second transmission shaft and the third transmission shaft are respectively rotatably arranged on the box body, the first transmission shaft, the second transmission shaft and the third transmission shaft are parallel to each other, the first transmission shaft is connected with an output shaft of the driving motor, the third transmission shaft is connected with the coupler, the first transmission gear is arranged on the first transmission shaft, the first reduction gear and the second transmission gear are arranged on the second transmission shaft, the second reduction gear is arranged on the third transmission shaft, the first transmission gear is meshed with the first reduction gear, and the second transmission gear is meshed with.

Furthermore, the radius of the first reduction gear is larger than that of the first transmission gear, and the radius of the second reduction gear is larger than that of the second transmission gear.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows: the spiral conveyor has a simple and reasonable structure, and can realize multi-point feeding by arranging the plurality of feeding ports on the upper pipe body, so that incoming materials at different points on an industrial production line can be simultaneously gathered and transmitted, the gathering step in production is simplified, and the production efficiency is improved; through adopting the reduction box that can the second grade speed reduction, further improve rotatory well core rod's speed reduction effect, improved helical blade's motive force to the realization is to the transport of special materials such as solid content height and density are big.

Drawings

Fig. 1 is a schematic structural view of the screw conveyor of the present invention;

fig. 2 is the schematic structural diagram of the reduction gearbox of the screw conveyor of the utility model.

The automatic feeding device comprises a rotating center rod 1, a rotating center rod 2, an upper pipe body 3, a lower pipe body 4, a feeding port 5, a discharging port 6, a driving end supporting frame 7, a discharging end supporting frame 8, a coupler 9, a reduction gearbox 10, a driving motor 11, helical blades 12, a first feeding port 13, a second feeding port 14, a third feeding port 15, a discharging end bearing 16, a driving end bearing 17, an intermediate supporting frame 18, a box body 19, a first transmission shaft 20, a second transmission shaft 21, a third transmission shaft 22, a first transmission gear 23, a first reduction gear 24, a second transmission gear 25 and a second reduction gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-2, the technical scheme adopted by the utility model is as follows: a screw conveyor comprises a rotating central rod 1, an upper pipe body 2, a lower pipe body 3, a charging opening 4, a discharging opening 5, a driving end supporting frame 6, a discharging end supporting frame 7, a coupler 8, a reduction gearbox 9 and a driving motor 10, wherein the upper pipe body 2 and the lower pipe body 3 are in the same semicircular cambered surface, the concave cambered surface of the upper pipe body 2 faces downwards, the concave cambered surface of the lower pipe body 3 faces upwards, the upper pipe body 2 is arranged above the lower pipe body 3 and is coaxial with the lower pipe body 3, the driving end supporting frame 6 and the discharging end supporting frame 7 are respectively arranged at two ends of the lower pipe body 3, the rotating central rod 1 is arranged in a circular pipe cavity formed by the upper pipe body 2 and the lower pipe body 3, one end of the rotating central rod 1 can be rotatably arranged on the discharging end supporting frame 7, the rotating central rod 1 penetrates through the driving end supporting frame 6, the charging opening 4 is arranged on the upper pipe body 2, the, the reduction gearbox 9 is connected with the rotating central rod 1 through a coupler 8, and the driving motor 10 is connected with the reduction gearbox 9.

And the rotating central rod 1 is spirally provided with a helical blade 11.

The feed inlet 4 comprises a first feed inlet 12, a second feed inlet 13 and a third feed inlet 14, wherein the first feed inlet 12, the second feed inlet 13 and the third feed inlet 14 are sequentially arranged on the upper pipe body 2 along the direction of the rotating central rod 1.

The center of the discharge end supporting frame 7 is provided with a discharge end bearing 15, the center of the driving end supporting frame 6 is provided with a driving end bearing 16, the discharge end bearing 15 is sleeved on the end part of the central rotating rod 1, and the driving end bearing 16 is sleeved on the central rotating rod 1.

And a middle support frame 17 is arranged below the middle of the lower pipe body 3.

The reduction gearbox 9 comprises a box body 18, a first transmission shaft 19, a second transmission shaft 20, a third transmission shaft 21, a first transmission gear 22, a first reduction gear 23, a second transmission gear 24 and a second reduction gear 25, two ends of the first transmission shaft 19, the second transmission shaft 20 and the third transmission shaft 21 are respectively rotatably arranged on the box body 18, the first transmission shaft 19, the second transmission shaft 20 and the third transmission shaft 21 are parallel to each other, the first transmission shaft 19 is connected with an output shaft of the driving motor 10, the third transmission shaft 21 is connected with the coupler 8, the first transmission gear 22 is arranged on the first transmission shaft 19, the first reduction gear 23 and the second transmission gear 24 are arranged on the second transmission shaft 20, the second reduction gear 25 is arranged on the third transmission shaft 21, the first transmission gear 22 is meshed with the first reduction gear 23, and the second transmission gear 24 is meshed with.

The radius of the first reduction gear 23 is larger than that of the first transmission gear 22, and the radius of the second reduction gear 25 is larger than that of the second transmission gear 24.

When the speed reducer is used specifically, the driving motor 10 is started, the driving motor 10 rotates to drive the first transmission shaft 19 and the first transmission gear 22 to rotate, the first transmission gear 22 drives the first reduction gear 23 to rotate, and the first reduction gear 23 and the first transmission gear are meshed with each other to rotate at the same linear speed, but the radius of the first reduction gear 23 is larger than that of the first transmission gear 22, so that the rotating angular speed of the first reduction gear 23 is smaller than that of the first transmission gear 22, the rotating speed of the second transmission shaft 20 is smaller than that of the first transmission shaft 19, and primary speed reduction is; the second transmission shaft 20 rotates to drive the second transmission gear 24 to rotate, the second transmission gear 24 drives the second reduction gear 25 to rotate, the linear speeds of the two meshed rotation are the same, but the radius of the second reduction gear 25 is larger than that of the second transmission gear 24, so the rotation angular speed of the second reduction gear 25 is smaller than that of the second transmission gear 24, the rotation speed of the third transmission shaft 21 is smaller than that of the second transmission shaft 20, secondary speed reduction is realized, the rotation torque is increased in a secondary mode while the rotation speed is reduced, the third transmission shaft 21 drives the rotating central rod 1 to rotate, materials of different feeding points are added from the corresponding feeding ports 4, the rotating central rod 1 drives the spiral blades 11 to rotate to push the materials to fall forwards from the discharging ports 5, and the materials of the three different feeding points are gathered and conveyed.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. A screw conveyor characterized by: the device comprises a rotating central rod, an upper pipe body, a lower pipe body, a charging opening, a discharging opening, a driving end supporting frame, a discharging end supporting frame, a coupler, a reduction box and a driving motor, wherein the upper pipe body and the lower pipe body are in the same semicircular arc surface, the concave arc surface of the upper pipe body faces downwards, the concave arc surface of the lower pipe body faces upwards, the upper pipe body is arranged above the lower pipe body and is coaxial with the lower pipe body, the driving end supporting frame and the discharging end supporting frame are respectively arranged at two ends of the lower pipe body, the rotating central rod is arranged in a circular pipe cavity formed by the upper pipe body and the lower pipe body, one end of the rotating central rod is rotatably arranged on the discharging end supporting frame, the rotating central rod penetrates through the driving end supporting frame, the charging opening is arranged on the upper pipe body, the discharging opening is, the driving motor is connected with the reduction gearbox.

2. A screw conveyor according to claim 1, wherein: and the rotating central rod is spirally provided with a helical blade.

3. A screw conveyor according to claim 2, wherein: the charge door includes charge door one, charge door two and charge door three, charge door one, charge door two and charge door three locate in proper order on the body of going up along rotatory well core's direction.

4. A screw conveyor according to claim 3, wherein: the center of the discharge end support frame is provided with a discharge end bearing, the center of the drive end support frame is provided with a drive end bearing, the discharge end bearing is sleeved on the end part of the central rotating rod, and the drive end bearing is sleeved on the central rotating rod.

5. A screw conveyor according to claim 4, wherein: and a middle support frame is arranged below the middle of the lower pipe body.

6. A screw conveyor according to claim 5, wherein: the reduction gearbox comprises a box body, a first transmission shaft, a second transmission shaft, a third transmission shaft, a first transmission gear, a first reduction gear, a second transmission gear and a second reduction gear, two ends of the first transmission shaft, the second transmission shaft and the third transmission shaft are respectively rotatably arranged on the box body, the first transmission shaft, the second transmission shaft and the third transmission shaft are parallel to each other, the first transmission shaft is connected with an output shaft of the driving motor, the third transmission shaft is connected with the coupler, the first transmission gear is arranged on the first transmission shaft, the first reduction gear and the second transmission gear are arranged on the second transmission shaft, the second reduction gear is arranged on the third transmission shaft, the first transmission gear is meshed with the first reduction gear, and the second transmission gear is.

7. A screw conveyor according to claim 6, wherein: the radius of the first reduction gear is larger than that of the first transmission gear, and the radius of the second reduction gear is larger than that of the second transmission gear.