CN214988179U

CN214988179U - Novel sludge conveying self-cleaning double-screw machine

Info

Publication number: CN214988179U
Application number: CN202121443370.4U
Authority: CN
Inventors: 陶伟
Original assignee: Yichang New Yiyun Machinery Co ltd
Current assignee: Yichang New Yiyun Machinery Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2021-12-03
Anticipated expiration: 2031-06-28

Abstract

The utility model provides a novel sludge conveying self-cleaning double-screw conveyor, which comprises a screw conveying box body, wherein a first screw conveying shaft and a second screw conveying shaft are arranged in the screw conveying box body in parallel, a first screw blade is arranged on the first screw conveying shaft, a second screw blade is arranged on the second screw conveying shaft, and the head and the tail of the first screw conveying shaft and the tail of the second screw conveying shaft are correspondingly supported on a first bearing seat and a second bearing seat respectively; the shaft end of the first spiral conveying shaft is connected with a conveying power device for driving the first spiral conveying shaft to rotate; and a synchronous transmission device is arranged between the first spiral conveying shaft and the second spiral conveying shaft. Through adopting biserial spiral staggered arrangement to helical blade makes into the cusp, clears up the spiral tubular shaft each other through the tooth-like blade of biserial spiral, has solved the problem of a large amount of adhesions of mud on the spiral tubular shaft.

Description

Novel sludge conveying self-cleaning double-screw machine

Technical Field

The utility model belongs to mud conveying equipment field especially relates to a novel mud is carried from clear double helix machine.

Background

At present, the screw machines used for conveying sludge are mainly conventional single screw machines. But due to the strong viscosity of the sludge, a large amount of sludge adheres to the spiral pipe shaft. Under the condition of long time, the conveying efficiency is greatly influenced, and even jamming and blockage can be caused in more serious conditions. Generally, under the condition, a user can regularly stop and clean the screw, so that the yield is delayed, and the labor cost is increased. The situation is more serious for users who do not have cleaning conditions.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a novel mud is carried from clear double helix machine is through adopting biserial spiral staggered arrangement to helical blade makes into the cusp, clears up the spiral hollow shaft each other through the tooth-like blade of biserial spiral, has solved the problem of a large amount of adhesions of mud on the spiral hollow shaft.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a novel sludge conveying self-cleaning double-screw conveyor comprises a screw conveying box body, wherein a first screw conveying shaft and a second screw conveying shaft are arranged in the screw conveying box body in parallel, a first screw blade is arranged on the first screw conveying shaft, a second screw blade is arranged on the second screw conveying shaft, and the head and the tail of the first screw conveying shaft and the tail of the second screw conveying shaft are correspondingly supported on a first bearing block and a second bearing block respectively; the shaft end of the first spiral conveying shaft is connected with a conveying power device for driving the first spiral conveying shaft to rotate; and a synchronous transmission device is arranged between the first spiral conveying shaft and the second spiral conveying shaft.

First sawteeth are uniformly distributed and processed on the edge of the first helical blade; and second sawteeth are uniformly distributed and processed on the edge of the second helical blade.

The first saw teeth and the second saw teeth are both in rectangular tooth structures.

The power transmission device comprises a motor, a motor main shaft of the motor is connected with an input shaft of the speed reducer through a first coupler, and an output shaft of the speed reducer is connected with the first spiral conveying shaft through a second coupler and transmits torque.

The synchronous transmission device comprises a driving gear which is arranged on the first spiral conveying shaft through a flat key, and the driving gear is in meshing transmission with a driven gear arranged on the second spiral conveying shaft; the driven gear is mounted on the second spiral conveying shaft through a flat key.

Main shaft sealing structures are respectively arranged on the first spiral conveying shaft and the second spiral conveying shaft and positioned at two outer sides of the spiral conveying box body; the main shaft sealing structure comprises a sealing ring mounting seat mounted on the outer side wall of the spiral conveying box body, and a first sealing ring is mounted inside the sealing ring mounting seat.

Two groups of self-aligning bearings and tapered roller bearings which are arranged in pairs are mounted on the first bearing seat, head shaft sections of the first spiral conveying shaft and the second spiral conveying shaft are supported on the self-aligning bearings and the tapered roller bearings, and two ends of the first bearing seat are sealed through first bearing end covers.

The tail shaft bearing is arranged on the second bearing seat in pairs, the inner ring of the tail shaft bearing is locked and fixed through a round nut fixed at the shaft end, the outer ring of the tail shaft bearing is fixed through a second bearing end cover, and a second sealing ring is arranged at the position, in contact with the spiral conveying shaft, of the second bearing end cover positioned on the inner side.

The utility model discloses there is following beneficial effect:

1. the utility model discloses a screw machine is through adopting biserial spiral staggered arrangement to helical blade makes into the cusp, clears up the spiral hollow shaft each other through the tooth-like blade of biserial spiral, has solved the problem of a large amount of adhesions of mud on the spiral hollow shaft.

2. Through adopting first sawtooth and second sawtooth, guaranteed both at specific transportation process, can carry out effectual clearance to the mud that bonds on corresponding first helical blade and second helical blade.

3. Through foretell rectangle tooth structure guaranteed its structural strength, guaranteed the efficiency to mud clearance simultaneously.

4. The conveying power device can be used for providing conveying power

5. Through the synchronous transmission device, the rotation of the second spiral conveying shaft can be driven through the rotation of the first spiral conveying shaft.

6. The shaft end of the spiral conveying shaft can be effectively sealed through the main shaft sealing structure, and then the leakage of materials inside the shaft end is prevented.

7. The self-aligning bearing ensures that the shaft ends of the first spiral conveying shaft and the second spiral conveying shaft are aligned for use, and the tapered roller bearing ensures that the first spiral conveying shaft and the second spiral conveying shaft can bear certain axial force.

8. Can carry out effectual support to the afterbody of first auger delivery axle and second auger delivery axle through foretell tail shaft bearing, and then guarantee its rotation that can stabilize.

Drawings

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

Fig. 1 is a top view of the overall structure of the present invention.

Fig. 2 is a view from a-a of fig. 1 according to the present invention.

Fig. 3 is a partially enlarged view of an end of the power transmission device shown in fig. 1 according to the present invention.

Fig. 4 is a partially enlarged view of the end of the screw conveyor shown in fig. 1 according to the present invention.

In the figure: the device comprises a motor 1, a motor spindle 2, a first coupler 3, an input shaft 4, a speed reducer 5, an output shaft 6, a second coupler 7, a first spiral conveying shaft 8, a first bearing seat 9, a driving gear 10, a sealing ring mounting seat 11, a first sealing ring 12, a first bearing end cover 13, a tapered roller bearing 14, a self-aligning bearing 15, a driven gear 16, a second spiral conveying shaft 17, a second spiral blade 18, a first spiral blade 19, a second bearing seat 20, a round nut 21, a second bearing end cover 22, a tail shaft bearing 23, a second sealing ring 24, first sawteeth 25, second sawteeth 26 and a spiral conveying box 27.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1-4, a novel sludge conveying self-cleaning double-screw conveyor comprises a screw conveying box body 27, a first screw conveying shaft 8 and a second screw conveying shaft 17 are arranged in the screw conveying box body 27 in parallel, a first screw blade 19 is arranged on the first screw conveying shaft 8, a second screw blade 18 is arranged on the second screw conveying shaft 17, and the head and tail of the first screw conveying shaft 8 and the tail of the second screw conveying shaft 17 are respectively and correspondingly supported on a first bearing block 9 and a second bearing block 20; the shaft end of the first spiral conveying shaft 8 is connected with a conveying power device for driving the first spiral conveying shaft to rotate; a synchronous transmission device is arranged between the first spiral conveying shaft 8 and the second spiral conveying shaft 17. Through adopting biserial spiral staggered arrangement to helical blade makes into the cusp, clears up the spiral tubular shaft each other through the tooth-like blade of biserial spiral, has solved the problem of a large amount of adhesions of mud on the spiral tubular shaft.

Further, first saw teeth 25 are uniformly machined on the edge of the first helical blade 19; second saw teeth 26 are uniformly machined on the edge of the second helical blade 18. The first saw tooth 25 and the second saw tooth 26 ensure that the sludge adhered to the corresponding first helical blade 19 and second helical blade 18 can be effectively cleaned in a specific conveying process.

Further, the first saw tooth 25 and the second saw tooth 26 both have a rectangular tooth structure. Through foretell rectangle tooth structure guaranteed its structural strength, guaranteed the efficiency to mud clearance simultaneously.

Further, the power transmission device comprises a motor 1, a motor spindle 2 of the motor 1 is connected with an input shaft 4 of a speed reducer 5 through a first coupling 3, and an output shaft 6 of the speed reducer 5 is connected with a first spiral conveying shaft 8 through a second coupling 7 and transmits torque. Through adopting foretell power device of carrying can be used for providing the power of carrying, in the course of the work, through motor 1 drive motor main shaft 2, through motor main shaft 2 drive reduction gear 5, through reduction gear 5 drive output shaft 6, and then through the first auger delivery axle 8 of output shaft 6 drive, and then realize corresponding auger delivery.

Further, the synchronous transmission device comprises a driving gear 10 which is arranged on the first spiral conveying shaft 8 through a flat key, and the driving gear 10 is in meshing transmission with a driven gear 16 arranged on the second spiral conveying shaft 17; the driven gear 16 is mounted on the second conveying screw shaft 17 by a flat key. By the above-described synchronous transmission, the rotation of the second conveying screw 17 can be driven by the rotation of the first conveying screw 8. In the working process, the driving gear 10 is driven by the first spiral conveying shaft 8, the driven gear 16 is driven by the driving gear 10, and the second spiral conveying shaft 17 is driven by the driven gear 16.

Further, main shaft sealing structures are respectively arranged on the first spiral conveying shaft 8 and the second spiral conveying shaft 17 and positioned at two outer sides of the spiral conveying box body 27; the main shaft sealing structure comprises a sealing ring mounting seat 11 installed on the outer side wall of the spiral conveying box body 27, and a first sealing ring 12 is installed inside the sealing ring mounting seat 11. The shaft end of the spiral conveying shaft can be effectively sealed through the main shaft sealing structure, and then the leakage of materials inside the shaft end is prevented.

Further, two sets of self-aligning bearings 15 and tapered roller bearings 14 arranged in pairs are mounted on the first bearing seat 9, head shaft sections of the first spiral conveying shaft 8 and the second spiral conveying shaft 17 are supported on the self-aligning bearings 15 and the tapered roller bearings 14, and two ends of the first bearing seat 9 are sealed by first bearing end covers 13. The self-aligning bearing 15 ensures that the first spiral conveying shaft 8 and the second spiral conveying shaft 17 are used for aligning the shaft ends, and the tapered roller bearing 14 ensures that the first spiral conveying shaft 8 and the second spiral conveying shaft 17 can bear certain axial force. And further ensures the stability of the support of the first conveying screw 8 and the second conveying screw 17.

Further, tail shaft bearings 23 arranged in pairs are mounted on the second bearing seat 20, inner rings of the tail shaft bearings 23 are locked and fixed through round nuts 21 fixed at shaft ends, outer rings of the tail shaft bearings 23 are fixed through second bearing end covers 22, and second sealing rings 24 are mounted at positions where the second bearing end covers 22 located on the inner sides contact with the spiral conveying shaft. The tail shaft bearing 23 can effectively support the tail parts of the first spiral conveying shaft 8 and the second spiral conveying shaft 17, so that the stable rotation of the first spiral conveying shaft and the second spiral conveying shaft is ensured.

The utility model discloses a working process and principle do:

in a specific using process, when sludge with high viscosity needs to be conveyed, a conveying power device is started, a motor spindle 2 drives a speed reducer 5, the speed reducer 5 drives an output shaft 6, and the output shaft 6 drives a first spiral conveying shaft 8; then the first spiral conveying shaft 8 drives a driving gear 10, the driving gear 10 drives a driven gear 16, and the driven gear 16 drives a second spiral conveying shaft 17; the synchronous rotation of first auger delivery axle 8 and second auger delivery axle 17 drives corresponding first helical blade 19 and second helical blade 18, and then realizes the transport of mud, and in the process of carrying mud, the clearance is scraped each other to mud through being located first helical blade 19 and the synchronous first sawtooth 25 and the second sawtooth 26 of second helical blade 18, finally reaches the purpose of clearance.

Claims

1. The utility model provides a novel mud is carried from clear double helix machine which characterized in that: the device comprises a spiral conveying box body (27), wherein a first spiral conveying shaft (8) and a second spiral conveying shaft (17) are arranged in the spiral conveying box body (27) in parallel, a first spiral blade (19) is arranged on the first spiral conveying shaft (8), a second spiral blade (18) is arranged on the second spiral conveying shaft (17), and the heads and the tails of the first spiral conveying shaft (8) and the second spiral conveying shaft (17) are respectively and correspondingly supported on a first bearing block (9) and a second bearing block (20); the shaft end of the first spiral conveying shaft (8) is connected with a conveying power device for driving the first spiral conveying shaft to rotate; a synchronous transmission device is arranged between the first spiral conveying shaft (8) and the second spiral conveying shaft (17).

2. The novel sludge conveying self-cleaning double-screw machine is characterized in that: first sawteeth (25) are uniformly distributed and processed on the edge of the first helical blade (19); and second sawteeth (26) are uniformly machined on the edge of the second helical blade (18).

3. The novel sludge conveying self-cleaning double-screw machine is characterized in that: the first saw teeth (25) and the second saw teeth (26) are of rectangular tooth structures.

4. The novel sludge conveying self-cleaning double-screw machine is characterized in that: the power transmission device comprises a motor (1), a motor spindle (2) of the motor (1) is connected with an input shaft (4) of a speed reducer (5) through a first coupler (3), and an output shaft (6) of the speed reducer (5) is connected with a first spiral conveying shaft (8) through a second coupler (7) and transmits torque.

5. The novel sludge conveying self-cleaning double-screw machine is characterized in that: the synchronous transmission device comprises a driving gear (10) which is arranged on a first spiral conveying shaft (8) through a flat key, and the driving gear (10) is in meshing transmission with a driven gear (16) which is arranged on a second spiral conveying shaft (17); the driven gear (16) is mounted on the second spiral conveying shaft (17) through a flat key.

6. The novel sludge conveying self-cleaning double-screw machine is characterized in that: main shaft sealing structures are respectively arranged on the first spiral conveying shaft (8) and the second spiral conveying shaft (17) and positioned at the two outer sides of the spiral conveying box body (27); the main shaft sealing structure comprises a sealing ring mounting seat (11) arranged on the outer side wall of the spiral conveying box body (27), and a first sealing ring (12) is arranged inside the sealing ring mounting seat (11).

7. The novel sludge conveying self-cleaning double-screw machine is characterized in that: two sets of self-aligning bearings (15) and tapered roller bearings (14) which are arranged in pairs are mounted on the first bearing seat (9), head shaft sections of the first spiral conveying shaft (8) and the second spiral conveying shaft (17) are supported on the self-aligning bearings (15) and the tapered roller bearings (14), and two ends of the first bearing seat (9) are sealed through a first bearing end cover (13).

8. The novel sludge conveying self-cleaning double-screw machine is characterized in that: the spiral conveying device is characterized in that tail shaft bearings (23) which are arranged in pairs are installed on the second bearing seat (20), inner rings of the tail shaft bearings (23) are locked and fixed through round nuts (21) fixed at the shaft ends, outer rings of the tail shaft bearings (23) are fixed through second bearing end covers (22), and second sealing rings (24) are installed at positions, where the second bearing end covers (22) located on the inner side are in contact with the spiral conveying shaft.