CN210709287U

CN210709287U - Multistage spiral blade type conveying device

Info

Publication number: CN210709287U
Application number: CN201921370120.5U
Authority: CN
Inventors: 张平亮
Original assignee: Wuxi Professional College of Science and Technology
Current assignee: Wuxi Professional College of Science and Technology
Priority date: 2019-08-22
Filing date: 2019-08-22
Publication date: 2020-06-09
Anticipated expiration: 2029-08-22

Abstract

The utility model provides a multistage helical blade type conveying device, which comprises a first power mechanism, a first material conveying cylinder, a second material conveying cylinder, a hopper, a rotating shaft and a discharging pipe, wherein the first power mechanism, the first material conveying cylinder and the second material conveying cylinder are coaxially arranged; the outer surface of the rotating shaft in the first material conveying cylinder is sequentially provided with the belt type spiral bodies and the kneading disc body at intervals, and the outer surface of the rotating shaft in the second material conveying cylinder is sequentially provided with the sheet type spiral bodies and the forming spiral bodies at intervals. Through the utility model discloses a multistage spiral blade formula conveyor has realized realizing high-efficient the carrying to the material of the great material of viscidity and easy caking to life has been improved.

Description

Multistage spiral blade type conveying device

Technical Field

The utility model relates to a material conveying equipment technical field especially relates to a multistage spiral blade formula conveyor.

Background

The spiral conveying device is a mechanical device which utilizes the spiral blades to push scattered materials to convey the materials forwards along the tubular metal groove, has the advantages of simple structure, small cross section size, good sealing performance and the like, can feed and unload materials at multiple points in the middle, has the advantages of safe and convenient operation, reliable work, low manufacturing cost and the like, and is widely applied to the fields of chemical industry, electric power, metallurgy, coal mine carbon, pharmacy, building materials, grain and the like.

Chinese utility model patent with publication number CN202704427U discloses a screw conveyor for an ingot milling machine. The prior art teaches that the helical blade edges are provided with helical shear blades and reverse shear blades, respectively. Through the spiral shearing blade and the reverse shearing blade, the conveying effect is achieved, shearing and crushing functions can be achieved for the aluminum scraps, the aluminum scraps are discharged more easily, and the problem of aluminum scrap accumulation is solved. However, the applicant points out that the screw conveyer similar to the above is mainly used for conveying powdery, granular and small blocky materials such as coal mine, ash, slag, cement, grain and the like in a horizontal or inclined way, but is difficult to be suitable for conveying the materials with high viscosity and easy caking, and the materials are easy to break in the conveying process, and the screw and the chute are easy to wear. The screw conveyor disclosed in the prior art is still not ideal in practice.

Other prior art solutions include CN208413034U, which solves the technical problem of jamming of the material inside the transportation box by providing a deflector and a stirring rod inside the transportation box extending along the longitudinal direction, however, the transportation device disclosed in the prior art still cannot perform screw transportation on the sticky and caking-prone material, and the technical problem remains to be solved, because the deflector disclosed in the prior art interferes with the first screw transportation blade in the radial direction during the material propelling process, and does not facilitate screw transportation of the sticky material and the caking-prone material in the horizontal direction.

In view of the above, there is a need for an improved screw conveyor in the prior art to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a multistage helical blade formula conveyor for realize realizing the high-efficient transport of the great material of viscidity and the material of easy caking, and avoid conveyor's internal face wearing and tearing to appear, in order to improve this conveyor's life.

In order to achieve the above object, the present invention provides a multistage helical blade type conveying device, including:

the device comprises a first power mechanism, a first material conveying cylinder, a second material conveying cylinder, a hopper and a rotating shaft, wherein the first power mechanism, the first material conveying cylinder and the second material conveying cylinder are coaxially arranged;

the outer surface of the rotating shaft in the first material conveying cylinder is sequentially provided with the belt type spiral bodies and the kneading disc body at intervals, and the outer surface of the rotating shaft in the second material conveying cylinder is sequentially provided with the sheet type spiral bodies and the forming spiral bodies at intervals.

As a further improvement of the present invention, the hopper comprises: the stirring device comprises a branch pipe, a feeding cylinder, a second driving mechanism, a stirring disc and a three-blade paddle, wherein the branch pipe is communicated with the first feeding cylinder, the feeding cylinder is of an integrated structure with the branch pipe and is provided with a feeding port upwards, and the stirring disc and the three-blade paddle are arranged in the feeding cylinder, are coaxially assembled on a stirring shaft up and down;

wherein, a plurality of stirring rods and stirring blocks are annularly and sequentially arranged on the upper surface of the stirring disc at equal intervals.

As a further improvement of the present invention, the end of each blade of the three-blade paddle forms a bent portion which is vertically upward, and each blade of the three-blade paddle is arranged in a spirally bent shape along the overlooking angle; the stirring rod and the stirring block both radially and outwards extend out of the circular edge of the stirring disc.

As a further improvement, the branch pipe is communicated with the first material conveying cylinder in an inclined mode.

As a further improvement of the present invention, the first power mechanism is composed of a first motor, a reducer and a first coupling; the rotating shaft and the coupling are coaxially arranged, and oil pots are arranged at two ends of the rotating shaft.

As a further improvement, the second drive mechanism is the second motor, and the action wheel is assembled to the output shaft of second motor, and the drive runs through the one end assembly of the (mixing) shaft of hopper perpendicularly from the driving wheel, the action wheel sets up the belt between the follow driving wheel to rotate through second motor drive (mixing) shaft.

As a further improvement of the utility model, the bottom of the hopper is provided with a mechanical seal for the vertical penetration of the stirring shaft, and the stirring shaft and the driven wheel are provided with a second coupler.

As a further improvement, set up the bracing piece in the second conveying cylinder, the bracing piece sets up the supporting seat towards the end of axis of rotation, the axis of rotation level runs through the supporting seat to set up the bearing between supporting seat and axis of rotation.

As a further improvement, the top of the second material conveying cylinder is provided with a cover plate, and the cover plate is provided with a manhole.

Compared with the prior art, the beneficial effects of the utility model are that: through the utility model discloses a multistage helical blade formula conveyor has realized realizing high-efficient the carrying to the material of the great material of viscidity and easy caking to the internal face of first feeding barrel among this multistage helical blade formula conveyor and the second feeding barrel has been avoided wearing and tearing to appear, thereby has improved life.

Drawings

FIG. 1 is a schematic structural view of a multi-stage helical blade type conveying device according to the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 1;

FIG. 5 is a cross-sectional view taken along line D-D of FIG. 1;

FIG. 6 is a cross-sectional view taken along the line F-F in FIG. 1;

FIG. 7 is a sectional view taken along line G-G of FIG. 1;

FIG. 8 is a plan view taken along the direction of arrow E in FIG. 1 and showing only the branch pipe, the feed cylinder and a part of the first feed cylinder;

fig. 9 is a sectional view taken along the direction H-H in fig. 8.

Detailed Description

The present invention is described in detail with reference to the embodiments shown in the drawings, but it should be understood that these embodiments are not intended to limit the present invention, and those skilled in the art should understand that the functions, methods, or structural equivalents or substitutions made by these embodiments are within the scope of the present invention.

It should be understood that in the present embodiment, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "positive", "negative", etc. indicate the orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present technical solution and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the technical solution.

Fig. 1 to 9 show an embodiment of a multistage helical blade conveyor according to the present invention. The multi-stage spiral blade type conveying device disclosed by the embodiment not only can realize spiral conveying on granular metal or plastic along the horizontal direction, but also can especially perform horizontal conveying on materials with high viscosity and materials easy to agglomerate.

In this embodiment, a multistage screw blade type conveying apparatus includes: the device comprises a first power mechanism, a first material conveying cylinder 22, a second material conveying cylinder 15, a hopper which is communicated with the first material conveying cylinder 22 and used for guiding materials, a rotating shaft 3 which is driven by the first power mechanism and continuously and longitudinally penetrates through the first material conveying cylinder 22 and the second material conveying cylinder 15, and a discharge pipe 20 is arranged at the bottom of the second material conveying cylinder 15. The belt type spiral bodies 24 and the kneading disc bodies 23 are sequentially arranged on the outer surface of the rotating shaft 3 in the first material conveying cylinder 22 at intervals, and the sheet type spiral bodies 12 and the forming spiral bodies 13 are sequentially arranged on the outer surface of the rotating shaft 3 in the second material conveying cylinder 15 at intervals.

Specifically, the first power mechanism is composed of a first motor 1, a speed reducer 37 and a first coupling 2; the rotating shaft 3 and the coupling 2 are coaxially arranged, and oil pots are arranged at two ends of the rotating shaft 3, that is, in fig. 1, the rotating shaft 3 longitudinally extends out of the oil pots 17 and 4 arranged at two end portions of the first material conveying cylinder 22 and the second material conveying cylinder 15 respectively. The two ends of the rotating shaft 3 are respectively accommodated by bearing seats 18, the bearings 5 are embedded in the bearing seats 18, and lubricating oil is slowly introduced into the bearings 5 embedded in the bearing seats 18 through the oil pots 17 and the oil pots 4 so as to play a role of durable lubrication.

The first material delivery cylinder 22 and the second material delivery cylinder 15 are of an integrated structure, a flange 25 is arranged at one end of the rotating shaft 3, which extends out of the first material delivery cylinder 22, the rotating shaft 3 vertically penetrates through the flange 25, and a packing seal 26 is arranged at the center of the flange 25. Similarly, one end of the rotating shaft 3, which extends out of the second material conveying cylinder 15, is provided with a flange 16, the rotating shaft 3 vertically penetrates through the flange 16, and a packing seal 21 is arranged at the center of the flange 16, so that when the rotating shaft 3 horizontally rotates, the materials in the first material conveying cylinder 22 and the second material conveying cylinder 15 are prevented from leaking or being blocked when the packing seal 26 and the packing seal 21 ensure that the rotating shaft 3 horizontally rotates.

Meanwhile, in this embodiment, a cover plate 11 is disposed on the top of the second material delivery cylinder 15, and the manhole 14 is opened in the cover plate 11. The second feed cylinder 15 which is clogged can be cleaned or repaired by opening the manhole 14 or the cover 11. A support rod 38 is arranged in the second material delivery cylinder 15, a support seat 50 is arranged at the end of the support rod 38 facing the rotating shaft 3, the rotating shaft 3 horizontally penetrates through the support seat 50, and a bearing 29 is arranged between the support seat 50 and the rotating shaft 3. Referring to fig. 1, the supporting seat 50 is disposed between the kneading disc 23 and the flat spiral 12 to support the rotating shaft 3 and prevent the rotating shaft 3 from bending, so as to improve the reliability and stability of the rotation of the rotating shaft 3.

The hopper comprises a branch pipe 30 communicated with the first material conveying cylinder 22, a feeding cylinder 7 which is of an integrated structure with the branch pipe 30 and is provided with a feeding port upwards, a second driving mechanism, and a stirring disc 8 and a three-blade paddle 10 which are arranged in the feeding cylinder 7 and coaxially assembled on a stirring shaft 9 from top to bottom. Preferably, the top of the feeding cylinder 7 is further provided with a flared part 6 which is circular and open. Through which flared section 6 material can enter into feed cylinder 7.

Referring to fig. 1 and 6, a plurality of stirring rods 381 and stirring blocks 39 are annularly and sequentially arranged on the upper surface of the stirring plate 8 at equal intervals. The branch pipe 30 communicates with the first feed cylinder 22 in an inclined manner. The second driving mechanism is a second motor 36, an output shaft 361 of the second motor 36 is provided with a driving wheel 35, one end of the stirring shaft 9 which vertically penetrates through the hopper is driven to be provided with a driven wheel 33, and a belt 34 is arranged between the driving wheel 35 and the driven wheel 33 so as to drive the stirring shaft 9 to rotate through the second motor 36. Referring to fig. 8 and 9, in the present embodiment, a mechanical seal 31 is provided at the bottom of the hopper for vertically penetrating the stirring shaft 9, and a second coupling 32 is provided between the stirring shaft 9 and a driven pulley 33. As shown in fig. 1 and 7, a bent portion 101 is formed at the end of each blade of the three-blade propeller 10, and each blade of the three-blade propeller 10 is arranged in a spiral bending form along a top view angle; the stirring rods 381 and the stirring blocks 39 both extend radially outward beyond the circular edge of the stirring disk 8. In the present embodiment, the direction indicated by the term "radially outward" refers to the direction indicated toward the feed cylinder 7 starting from the stirring shaft 9.

The materials enter the feeding cylinder 7 and are dispersed by the stirring rod 39 and the stirring block 40 arranged on the stirring disc 8. The material is further sheared and crushed by the bending part 101 of the three-blade paddle 10 after falling in the feeding cylinder 7. The technical scheme that the materials subjected to dispersing, shearing and crushing are input into the first material conveying cylinder 22 through the branch pipe 30 in a laterally inclined mode can effectively prevent the materials from being stacked at the position where the branch pipe 30 is in contact with the first material conveying cylinder 22, so that the materials can gradually and orderly slide into the first material conveying cylinder 22.

As shown in fig. 4 and 5, the material entering the first material delivery cylinder 22 rotates horizontally along with the rotating shaft 3, and the belt-type spiral body 24 and the kneading disc 23 rotate around the rotating shaft 3. The material is moved leftward at the angle shown in fig. 1 by the axial thrust generated by the kneading disks 23 while being pressed and sheared by the spiral slope formed by the belt spiral 24.

Referring to fig. 2 and 3, the material entering the second material delivery cylinder 15 is sequentially sheared and premixed by the four helical blades of the sheet-type helical body 12 and the plurality of rectangular protrusions 131 formed on the circumferential side of the forming helical body 13, so that the material is tumbled, stirred, mixed and kneaded, and the material homogenizing effect is more obvious. The applicant finds that the combined action of the belt type spiral body 24, the kneading disc body 23, the sheet type spiral body 12 and the forming spiral body 13 disclosed in the embodiment can realize efficient conveying of materials with high viscosity and materials easy to agglomerate, and simultaneously realize shearing and crushing treatment of the materials in the process of realizing horizontal conveying. Finally, the treated material is discharged from the discharge pipe 20 to the second feed delivery cylinder 15.

The above list of details is only for the practical implementation of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the technical spirit of the present invention should be included in the scope of the present invention.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A multi-stage helical blade conveyor comprising:

the device comprises a first power mechanism, a first material conveying cylinder (22), a second material conveying cylinder (15), a hopper, a rotating shaft (3) and a discharging pipe (20), wherein the first power mechanism, the first material conveying cylinder (22), the second material conveying cylinder (15) and the hopper are coaxially arranged, the hopper is communicated with the first material conveying cylinder (22) and used for guiding materials in, the rotating shaft (3) is driven by the first power mechanism and continuously and longitudinally penetrates through the first material conveying cylinder (22) and the second material conveying cylinder (15), and the bottom of the second material conveying;

the outer surface of the rotating shaft (3) in the first material conveying cylinder (22) is sequentially provided with belt type spiral bodies (24) and kneading disc bodies (23) at intervals, and the outer surface of the rotating shaft (3) in the second material conveying cylinder (15) is sequentially provided with sheet type spiral bodies (12) and forming spiral bodies (13) at intervals.

2. The multistage helical flighting conveyor of claim 1, wherein the hopper comprises: the device comprises a branch pipe (30) communicated with a first material conveying cylinder (22), a feeding cylinder (7) which is of an integrated structure with the branch pipe (30) and is provided with a feeding port upwards, a second driving mechanism, a stirring disc (8) and a three-blade paddle (10) which are arranged in the feeding cylinder (7) and are coaxially assembled on a stirring shaft (9) from top to bottom;

wherein, a plurality of stirring rods (381) and stirring blocks (39) are annularly and sequentially arranged on the upper surface of the stirring plate (8) at equal intervals.

3. The multistage screw blade conveyor according to claim 2, wherein the tip of each blade of the three-blade propeller (10) is formed with a vertically upward bend (101), and each blade of the three-blade propeller (10) is arranged in a spirally curved form in a plan view; the stirring rod (381) and the stirring block (39) both extend outwards in the radial direction to the round edge of the stirring disk (8).

4. The multistage screw vane conveyor device according to claim 2, wherein the branch pipe (30) communicates with the first feed cylinder (22) in an inclined manner.

5. The multi-stage screw blade conveyor according to any one of claims 1 to 4, wherein the first power mechanism is composed of a first motor (1), a reducer (37) and a first coupling (2); the rotating shaft (3) and the coupling (2) are coaxially arranged, and oil pots are arranged at two ends of the rotating shaft (3).

6. The multi-stage spiral vane type conveying device according to claim 2, wherein the second driving mechanism is a second motor (36), an output shaft (361) of the second motor (36) is provided with a driving wheel (35), one end of the stirring shaft (9) which vertically penetrates through the hopper is provided with a driven wheel (33), and a belt (34) is arranged between the driving wheel (35) and the driven wheel (33) so as to drive the stirring shaft (9) to rotate through the second motor (36).

7. The multi-stage screw blade conveyor according to claim 6, wherein the bottom of the hopper is provided with a mechanical seal (31) through which the stirring shaft (9) vertically passes, and a second coupling (32) is provided between the stirring shaft (9) and the driven wheel (33).

8. The multistage screw vane conveyor device according to claim 1, wherein a support rod (38) is provided in the second feed cylinder (15), the support rod (38) is provided with a support seat (50) facing the end of the rotary shaft (3), the rotary shaft (3) horizontally penetrates the support seat (50), and a bearing (29) is provided between the support seat (50) and the rotary shaft (3).

9. The multistage screw vane conveyor device according to claim 1, wherein a cover plate (11) is provided on the top of the second material delivery cylinder (15), and the cover plate (11) is provided with a manhole (14).