CN210682151U

CN210682151U - Mixed thread screw conveyor

Info

Publication number: CN210682151U
Application number: CN201920565773.2U
Authority: CN
Inventors: 郑皎; 宿新亮; 黄文景; 郭志东; 张宝裕; 梁静波; 陈海生
Original assignee: Fujian South Highway Machinery Co Ltd
Current assignee: Fujian South Highway Machinery Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-06-05
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a mix thread screw conveyer, including 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 that staggers mutually in this pivot and this first discharge gate, this pivot is equipped with many ejection of compact helical blade of array distribution in the week 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 spirally conveying materials to the discharging spiral blade, the discharging spiral blades are multiple, the materials can be uniformly dispersed at the first discharging hole along the axis direction in a short time, and the materials are uniformly and efficiently output.

Description

Mixed thread screw conveyor

Technical Field

The utility model relates to a screw conveyer especially relates to a mix thread screw conveyer, belongs to building rubbish grit aggregate regeneration facility technical field.

Background

In the technical application fields of commercial concrete stirring, dry powder concrete stirring and solid waste treatment, the method for stirring asphalt by using a screw conveyor to send powder or crushing and recycling waste materials is common.

The screw conveyor can be mainly divided into a single-thread screw conveyor and a multi-thread screw conveyor according to the number of the blades, wherein the single-thread screw conveyor means that only one rotating blade is wound on a rotating shaft, and the multi-thread screw conveyor means that a plurality of rotating blades are simultaneously wound on the rotating shaft.

The single-thread blade screw conveyer is widely used and easy to manufacture, but the uniformity and efficiency of discharging are not high, materials cannot be uniformly discharged from a discharging port, are usually concentrated at the front end of the discharging port, can only be used for conveying common materials, and are not suitable for working conditions with high requirements on the precision uniformity of the discharged materials, such as conveying the materials by an old material crushing separator.

And multithread blade screw conveyer can make the material more even in the transport of discharge gate axis direction in the short time, can be suitable for the operating mode of high requirement, for example carry out crushing separation technology to the material and just require the material to spray in the middle of the rotor certainly, however, multithread blade screw conveyer structure is complicated, and the processing cost is high, and because the transport distance is long, hardly guarantee the distance precision between a plurality of blades and between blade and the casing, the phenomenon that card material, blade warp, motor burn out takes place occasionally.

SUMMERY OF THE UTILITY MODEL

The utility model provides a mix thread screw conveyer, simple structure, processing are easy and the stable performance. The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a mix thread screw conveyer, including 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 that staggers mutually in this pivot and this first discharge gate, this pivot is equipped with many ejection of compact helical blades of array distribution in the week 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 spirally conveying materials to the discharging spiral blade, the discharging spiral blades are multiple, the materials can be uniformly dispersed at the first discharging hole along the axis direction in a short time, and the materials are uniformly and efficiently output. Because ejection of compact helical blade only sets up in first discharge gate position, consequently simple structure, the manufacturing of conveyer is easy to can avoid the card material phenomenon to take place effectively, the operating condition is stable.

In a preferred embodiment: the feeding hole is formed in the middle of the conveying pipe, the first discharging hole is formed in the front end of the conveying pipe, the second discharging hole is formed in the rear end of the conveying pipe, the feeding helical blade extends to the rear end of the first discharging hole from the rear end of the second discharging hole, and the driving module drives the rotating shaft to be in a forward direction or a reverse direction. Like this, during this pivot corotation, can carry the material to first discharge gate, utilize ejection of compact helical blade to evenly discharge efficiently, during the reversal, then can carry the material to the second discharge gate, directly export from the second discharge gate. Thus, the utility model discloses a conveyer possesses single thread blade conveyor function and multithreading blade conveyor function simultaneously, and a tractor serves two-purpose, and functional strong can reduce the quantity of conveyer on the production building site.

In a preferred embodiment: the material conveying pipe comprises a front section pipe, a middle section pipe and a rear section pipe, wherein the end face of the front section pipe, which is butted with the middle section pipe, is provided with convex teeth and grooves which are mutually inserted together, and the end face of the middle section pipe, which is butted with the rear section pipe, is provided with convex teeth and grooves which are mutually inserted together. Therefore, the conveying pipe can be processed in a segmented mode, the precision and the coaxiality are guaranteed, the distance between the blade and the inner wall of the conveying pipe is kept consistent, and material blocking in the conveying process is further prevented.

In a preferred embodiment: the front section pipe and the middle section pipe are in locking connection, and the middle section pipe and the rear section pipe are in locking connection.

In a preferred embodiment: two expansion sleeves are arranged on the rotating shaft, 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 the punishment, and at rotatory in-process, the material can realize evenly distributed better sooner.

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 displacing in the working process, and the stable position of the discharging helical blade is ensured.

In a preferred embodiment: 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. Therefore, the materials can be smoothly transited from the feeding helical blade to the discharging helical blade, and the material blockage is avoided.

In a preferred embodiment: the feeding helical blade is fixed on the rotating shaft by adopting double-sided staggered section welding, and the feeding helical blade is manufactured by adopting a rolling forming method; the discharging helical blade is manufactured by a manual profiling method, a rolling forming method or a single-piece drawing method. The shaping of blade is easy, and two-sided crisscross section welding can effectively prevent that the unilateral shrink of blade warp crooked moreover, guarantees the stability of pay-off.

In a preferred embodiment: the driving module comprises a motor and a driving shaft which are connected together in a transmission mode, the driving shaft is connected with the rotating shaft in a transmission mode, a connecting seat is sleeved on the driving shaft and is connected with the driving shaft in a transmission mode through a bearing, the connecting seat seals a rear end opening of the conveying pipe, a fixing seat is arranged at the front end of the rotating shaft and seals a front end opening of the conveying pipe, and the fixing seat is connected with the rotating shaft through a bearing in a transmission mode.

In a preferred embodiment: the number of the discharging helical blades is three.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of a hybrid thread screw conveyor according to the present invention.

FIG. 2 is a schematic illustration of the connection of the rotating shaft and the drive shaft of the hybrid thread screw conveyor of FIG. 1.

Fig. 3 shows an enlarged schematic view of fig. 2 at circle a.

Fig. 4 shows an enlarged schematic view of fig. 2 at circle B.

Detailed Description

Referring to fig. 1 to 4, a hybrid thread screw conveyor includes a material conveying pipe 10, a rotating shaft 20 disposed along a central axis of the material 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 material 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 the staggered part of the rotating shaft 20 and the first discharge hole 12. The part of the rotating shaft 20 corresponding to the first discharging hole 12 is provided with a plurality of discharging helical blades 22 distributed in an array on the circumference. During operation, the rotating shaft 20 drives the feeding helical blade 21 and the discharging helical blade 22 to rotate together, materials are conveyed from the feeding hole 11 to the first discharging hole 12 through the feeding helical blade 21, the discharging helical blade 22 uniformly disperses the materials, and the materials are discharged from the first discharging hole 12.

The feeding hole 11 is disposed in the middle of the feeding pipe 10, the first discharging hole 12 is disposed at the front end of the feeding pipe, and the second discharging hole 13 is disposed at the rear end of the feeding pipe. The feeding screw blade 21 extends from the rear end of the second discharge hole 13 to the rear end of the first discharge hole 12. The driving module 30 drives the rotating shaft 20 to rotate forward or backward, so that the material can be discharged from the first discharge hole 12 or the second discharge hole 13.

The material conveying pipe 10 comprises a front section pipe, a middle section pipe and a rear section pipe, wherein the end surfaces of the front section pipe and the middle section pipe which are butted are provided with convex teeth and grooves which are mutually inserted together, and the end surfaces of the middle section pipe and the rear section pipe which are butted are provided with convex teeth and grooves which are mutually inserted together. The feeding hole 11 is arranged in the middle section pipe 14, the first discharging hole 12 is arranged in the front section pipe 15, and the second discharging hole 13 is arranged in the rear section pipe 16. In this embodiment, the front tube 15 and the middle tube 14 are locked together, the middle tube 14 and the rear tube 16 are locked together, and flanges are disposed on the surfaces of the two tubes that are connected together.

Two expansion sleeves 23 are arranged on the rotating shaft 20, 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 locking structure corresponding to the expansion sleeve 23.

The front end face of the feeding helical blade 21 extends into the space between two of the discharging helical blades 23, or the front end face of the feeding helical blade 21 is butted with the rear end face of one of the discharging helical blades 23, or the front end face of the feeding helical blade 21 is flush with the rear end face of the discharging helical blade 23.

The feeding helical blade 21 is fixed on the rotating shaft 20 by adopting 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 leads the blank to generate uneven longitudinal extension and coordinate deformation under the uneven pressure of a wedge-shaped roll gap formed by a special roll. The discharging helical blade 22 is manufactured by a manual profiling method, a rolling forming method or a single-piece drawing method. Heating the blank, pulling the blank for a certain distance, then placing the blank on a profiling die, after the blank is fixed, repeatedly beating and bending the blank by hand, and enabling the blank to be gradually attached along the spiral surface of the profiling die. The pitch, inner diameter and outer diameter of the feeding helical blade 21 and the discharging helical blade 22, the diameter of the rotating shaft 20 and other parameters can be set according to the existing screw conveyor.

The driving module 30 includes a motor 32 and a driving shaft 34, which are connected together in a transmission manner, and the driving shaft 34 is connected with the rotating shaft 20 in a transmission manner. 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 material 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. The

bearings

25, 38 are positioned with spacers, round nuts and stop washers. And the bearing end cover is internally sealed by a framework oil seal.

In the present embodiment, the number of the discharging helical blades 22 is three. The distance between the outer edges of the feeding helical blade 21 and the discharging helical blade 22 and the inner wall of the conveying pipe 10 is 3 mm.

The above description is only a preferred embodiment of the present invention, and therefore the scope of the present invention should not be limited by this description, and all equivalent changes and modifications made within the scope and the specification of the present invention should be covered by the present invention.

Claims

1. Mix thread screw conveyer, including the conveying pipeline, along the pivot that the axis of this conveying pipeline set up and be used for driving the rotatory drive module of this pivot, 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, its characterized in that in this pivot: the feeding helical blade is arranged at the staggered part of the rotating shaft and the first discharge port, a plurality of discharging helical blades are circumferentially distributed in an array mode on the rotating shaft and the part corresponding to the first discharge port, the feed port is arranged in the middle of the feed delivery pipe, the first discharge port is arranged at the front end of the feed delivery pipe, a second discharge port is arranged at the rear end of the feed delivery pipe, the feeding helical blade extends to the rear end of the first discharge port from the rear end of the second discharge port, and the driving module drives the rotating shaft to be forward or reverse.

2. The hybrid thread screw conveyor of claim 1, wherein: the material conveying pipe comprises a front section pipe, a middle section pipe and a rear section pipe, wherein the end face of the front section pipe, which is butted with the middle section pipe, is provided with convex teeth and grooves which are mutually inserted together, and the end face of the middle section pipe, which is butted with the rear section pipe, is provided with convex teeth and grooves which are mutually inserted together.

3. The hybrid thread screw conveyor of claim 2, wherein: the front section pipe and the middle section pipe are in locking connection, and the middle section pipe and the rear section pipe are in locking connection.

4. The hybrid thread screw conveyor of claim 1, wherein: two expansion sleeves are arranged on the rotating shaft, and two ends of the discharging spiral blade are respectively and fixedly connected to the two expansion sleeves.

5. The hybrid thread screw conveyor of claim 4, wherein: the rotating shaft is provided with a clamping structure corresponding to the expansion sleeve.

6. The hybrid thread screw conveyor of claim 1, wherein: 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.

7. The hybrid thread screw conveyor of claim 1 or 6, wherein: the feeding helical blade is fixed on the rotating shaft by adopting double-sided staggered section welding, and the feeding helical blade is manufactured by adopting a rolling forming method; the discharging helical blade is manufactured by a manual profiling method, a rolling forming method or a single-piece drawing method.

8. The hybrid thread screw conveyor of claim 1, wherein: the driving module comprises a motor and a driving shaft which are connected together in a transmission mode, the driving shaft is connected with the rotating shaft in a transmission mode, a connecting seat is sleeved on the driving shaft and is connected with the driving shaft in a transmission mode through a bearing, the connecting seat seals a rear end opening of the conveying pipe, a fixing seat is arranged at the front end of the rotating shaft and seals a front end opening of the conveying pipe, and the fixing seat is connected with the rotating shaft through a bearing in a transmission mode.

9. The hybrid thread screw conveyor of claim 1, wherein: the number of the discharging helical blades is three.