CN214877860U

CN214877860U - Spiral conveyer

Info

Publication number: CN214877860U
Application number: CN202120275142.4U
Authority: CN
Inventors: 杨久荣; 李开岭; 周勇; 贾真; 曹冰洁; 曹莎莎; 方小花
Original assignee: Wuhu Ader Conveyor Machinery Co ltd
Current assignee: Wuhu Ader Conveyor Machinery Co ltd
Priority date: 2021-01-31
Filing date: 2021-01-31
Publication date: 2021-11-26
Anticipated expiration: 2031-01-31

Abstract

The utility model discloses a screw conveyer, which comprises a barrel body with a conveying cavity, a rotating shaft extending along the axial direction of the barrel body and arranged in the conveying cavity, a screw propelling blade arranged on the outer side surface of the rotating shaft and extending along the axial direction, and a driving mechanism for driving the barrel body and the rotating shaft to rotate respectively; the driving mechanism at least comprises a driving motor, a driving shaft connected to the output end of the driving motor, a first connecting piece and a second connecting piece, wherein the first connecting piece and the second connecting piece are respectively connected to the driving shaft and driven to rotate through the driving shaft; the inner wall of the cylinder body is convexly provided with a crushing convex strip. The material further processing in the transportation process is realized, the introduction of additional processes can be effectively avoided under partial conditions, and the cost of manpower and material resources is greatly reduced.

Description

Spiral conveyer

Technical Field

The utility model relates to a conveyer field specifically, relates to a screw conveyer.

Background

The screw conveyor is a common continuous conveying machine and is indispensable in modern production. The main working principle is that the continuous rotation of the helical blades in a helical state is utilized to enable the materials to generate relative motion along the helical surface, and then the materials are pushed forwards along the axial direction, so that the materials are transported.

In the actual transportation process, most of the materials with powder or smaller particles are transported by adopting a screw conveyer, in the transportation process, the materials are not completely crushed into a powder state or a small particle state after being added in part of the materials, and part of the materials are often mixed with particles which are not completely crushed; moreover, based on the characteristics of partial materials, some particles are often partially agglomerated due to the problems of high air humidity and the like in the long-term storage and transportation process (especially, the spiral conveyer is not in a completely sealed state). And the material after screw conveyer transportation is direct entering compounding process under the many situations, consequently, this scheduling problem that local degree of consistency of later stage compounding is relatively poor that just causes easily.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned prior art, the utility model aims to overcome among the prior art screw conveyer often only has the effect of transportation, often need additionally to increase the process to caking or the great transportation material of granule in the in-service use and solve, the waste scheduling problem of manpower and materials cost has been caused, thereby provide one kind and can remove a little relatively big granule to the periphery in the transportation, and further carry out further breakage to it through modes such as extrusion, realize the further processing of the material in the transportation, can effectively avoid the introduction of extra process under the partial condition, greatly reduced manpower and materials cost.

In order to achieve the above object, the present invention provides a screw conveyor, which includes a cylinder formed with a conveying cavity, a rotating shaft extending along an axial direction of the cylinder and disposed in the conveying cavity, a screw propelling blade disposed on an outer side surface of the rotating shaft and extending along the axial direction, and a driving mechanism for driving the cylinder and the rotating shaft to rotate respectively; wherein,

the driving mechanism at least comprises a driving motor, a driving shaft connected to the output end of the driving motor, and a first connecting piece and a second connecting piece which are respectively connected to the driving shaft and driven to rotate through the driving shaft, wherein the first connecting piece is connected with the cylinder body, the second connecting piece is connected with the rotating shaft, and the first connecting piece and/or the second connecting piece are/is connected with the driving shaft through a speed change structure;

the inner wall of the barrel is convexly provided with a crushing convex strip.

Preferably, a plurality of inserting grooves distributed in an annular shape are formed in the barrel body in a concave mode towards the end face portion of the driving shaft, the first connecting piece is at least partially arranged on the outer side of the driving shaft in a surrounding mode to form a disc-shaped structure, and inserting rods matched with the inserting grooves respectively are formed in the disc-shaped structure in a protruding mode towards one side of the barrel body.

Preferably, the second connecting piece is connected with the driving shaft through the speed change structure;

the speed change structure comprises a steering part and a speed change part which are sequentially arranged, and the steering part is used for conducting the rotating direction of the driving shaft to the second connecting piece after being reversely adjusted;

the speed change portion is used for transmitting the rotation speed of the driving shaft to the second connecting piece after changing the speed.

Preferably, the steering portion includes a first bevel gear coaxially connected to the driving shaft, and a second bevel gear oppositely disposed on one side of the first bevel gear away from the driving shaft and coaxially disposed with the first bevel gear, the outer side surfaces of the first bevel gear and the second bevel gear are connected by a bevel gear disc respectively engaged with the first bevel gear and the second bevel gear, and an axial direction of the bevel gear disc is perpendicular to an axial direction of the first bevel gear.

Preferably, the speed changing portion comprises a driving wheel coaxially connected to the second bevel gear, a driven wheel capable of rotating automatically and coaxially arranged with the driving wheel, and a transition wheel extending to the outer sides of the driving wheel and the driven wheel, and the transition wheel is respectively connected with the driving wheel and the driven wheel through a belt;

and the diameters of the driving wheel and the driven wheel are different.

Preferably, the crushing convex strips protrude from the inner wall of the barrel body towards the axial direction of the barrel body to form a strip-shaped ladder column structure, and the sectional area of the ladder column structure is reduced from outside to inside.

Preferably, many the ladder post structure is in extend the setting on the inner wall of barrel, and every the extending direction of ladder post structure with be formed with the contained angle between the axis direction of barrel.

Through the technical scheme, the utility model discloses a setting of first connecting piece and second connecting piece to make it link to each other with barrel and rotation axis respectively, simultaneously, make between at least one of the two and the drive shaft through variable speed structure connection, thereby make the relative rotational speed between barrel and the rotation axis different, and then make the barrel inside produce certain centrifugal force, and on this basis, then the material that the granule is bigger relatively can move to the section of thick bamboo wall department of barrel based on the existence of centrifugal force; further based on the setting of broken sand grip, realize the broken of the relatively great material of granule to, because the screw propulsion blade among the screw conveyer and the section of thick bamboo wall between originally just not absolute seal, consequently, also can make the relatively great material of granule further brought to the rear better, can realize the broken of relative long distance better. Meanwhile, the rotating shaft still drives the spiral propelling blade to rotate in the whole process, the whole transmission process can be stably carried out, and the normal working efficiency cannot be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural diagram of a screw conveyor provided by the present invention;

fig. 2 is a schematic view of a partial structure inside the barrel provided by the present invention;

fig. 3 is a partial schematic structural view of the transmission portion provided by the present invention.

Description of the reference numerals

1-conveying cavity 2-cylinder

3-rotating shaft 4-helical propelling blade

5-drive motor 6-drive shaft

7-breaking convex strip 8-disc structure

9-inserted bar 10-first bevel gear

11-second bevel gear 12-bevel gear disk

13-driving wheel 14-driven wheel

15-transition wheel 16-belt.

Detailed Description

The following describes the embodiments of the present invention in detail. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

As shown in fig. 1-3, the present invention provides a screw conveyor, which includes a cylinder 2 formed with a conveying cavity 1, a rotating shaft 3 extending along an axial direction of the cylinder 2 and disposed in the conveying cavity 1, a screw propelling blade 4 disposed on an outer side surface of the rotating shaft 3 and extending along the axial direction, and a driving mechanism for driving the cylinder 2 and the rotating shaft 3 to rotate respectively; wherein,

the driving mechanism at least comprises a driving motor 5, a driving shaft 6 connected to the output end of the driving motor 5, and a first connecting piece and a second connecting piece which are respectively connected to the driving shaft 6 and are driven to rotate through the driving shaft 6, wherein the first connecting piece is connected with the cylinder body 2, the second connecting piece is connected with the rotating shaft 3, and the first connecting piece and/or the second connecting piece are/is connected with the driving shaft 6 through a speed change structure;

the inner wall of the cylinder body 2 is convexly provided with a crushing convex strip 7.

The design is that the first connecting piece and the second connecting piece are arranged and are respectively connected with the cylinder body 2 and the rotating shaft 3, and at least one of the first connecting piece and the second connecting piece is connected with the driving shaft 6 through a speed change structure, so that the relative rotating speeds between the cylinder body 2 and the rotating shaft 3 are different, further a certain centrifugal force is generated inside the cylinder body 2, and on the basis, materials with relatively large particles can move to the cylinder wall of the cylinder body 2 based on the existence of the centrifugal force; further based on the setting of broken sand grip 7, realize the broken of the relatively great material of granule to, because the screw propulsion blade 4 among the screw conveyer and the section of thick bamboo wall between originally just not absolute seal, consequently, also can make the relatively great material of granule further brought to the rear better, can realize the broken of relative long distance better. Meanwhile, the rotating shaft 3 still drives the spiral propelling blade 4 to rotate in the whole process, the whole transmission process can be stably carried out, and the normal working efficiency cannot be reduced. Further, the rotational speed of the cylinder 2 here may be relatively faster than the rotational speed of the rotary shaft 3, so that the generation of centrifugal force is achieved relatively quickly on the basis of the cylinder 2, and further, relatively large particles can be thrown to the vicinity of the cylinder wall effectively.

The utility model discloses an in a preferred embodiment, the concrete connection relation between barrel 2 and the first connecting piece is, move towards in the barrel 2 the terminal surface part of drive shaft 6 inwards caves in and is formed with a plurality of the inserting grooves that inlay that are the annular and distribute, first connecting piece at least part encircle set up in the drive shaft 6 outside forms into disc structure 8, just move towards in the disc structure 8 one side arch of barrel 2 is formed with every inlay inserting groove matched with inserted bar 9 respectively. Through such a setting mode, can make between first connecting piece and the barrel 2 be connected steadily, simultaneously, also play certain sealed to the tip of barrel 2. It should be further noted that the cylinder 2 may be directly rotatably installed, and the support may adopt an installation manner that can be understood by those skilled in the art, for example, the one end is coaxially and stably arranged through the first connecting member, and only the other end needs to be supported by the support, and the support may be coaxially and rotatably connected with the cylinder 2, or the outer side surface of the cylinder 2 may be supported by the support with an arc-shaped upper end.

In a further preferred embodiment, the second connecting member is connected with the driving shaft 6 through the speed change structure;

the speed change structure comprises a steering part and a speed change part which are sequentially arranged, and the steering part is used for conducting the rotation direction of the driving shaft 6 to the second connecting piece after being reversely adjusted;

the speed change portion is used for changing the rotation speed of the driving shaft 6 and then transmitting the changed rotation speed to the second connecting member.

Through the setting of the portion that turns to, reducing rotation speed better, avoiding causing under the prerequisite of raise dust scheduling problem, improve centrifugal effect better through the mode that improves relative speed.

In a more preferred embodiment of the present invention, the turning part includes a coaxial connection with a first bevel gear 10 on the driving shaft 6, and a relative setting in keeping away from in the first bevel gear 10 the driving shaft 6 one side and with a second bevel gear 11 coaxially disposed with the first bevel gear 10, just the first bevel gear 10 with between the lateral surface of the second bevel gear 11 through with the first bevel gear 10 with a bevel gear 12 respectively engaged with the second bevel gear 11 is connected, the axis direction of the bevel gear 12 with the axis direction of the first bevel gear 10 is perpendicular. Of course, the first bevel gear 10 is driven to rotate by the driving shaft 6, and the rotation of the first bevel gear 10 will further drive the bevel gear disc 12 engaged therewith to rotate, and during the rotation of the bevel gear disc 12, the second bevel gear 11 will be further driven to rotate, and when the taper directions of the first bevel gear 10 and the second bevel gear 11 are opposite, the rotation directions of the two are opposite, and of course, the second bevel gear 11 and the bevel gear disc 12 only need to be rotatably positioned and installed.

In another preferred embodiment of the present invention, the speed changing portion includes a driving wheel 13 coaxially connected to the second bevel gear 11, a driven wheel 14 rotatable and coaxially disposed with the driving wheel 13, and a transition wheel 15 extending to the outside of the driving wheel 13 and the driven wheel 14, and the transition wheel 15 is connected to the driving wheel 13 and the driven wheel 14 through a belt 16;

and the driving pulley 13 and the driven pulley 14 have different diameters.

Of course, the transition wheel 15 may be a gear set, for example, as shown in fig. 3, to facilitate the installation of the belt 16, or may be a single gear structure having a sufficient width. The driving wheel 13 is driven to rotate by the second bevel gear 11 and further transmitted to the transition wheel 15, and then transmitted back to the driven wheel 14 which is coaxial with the second bevel gear 11 and can rotate. The rotating shaft 3 is driven to rotate by the driven wheel.

In a further preferred embodiment, the crushing protrusion 7 protrudes from the inner wall of the barrel 2 toward the axial direction of the barrel 2 to form a bar-shaped ladder column structure, and the cross-sectional area of the ladder column structure decreases from the outside to the inside. Here, the outer means an end provided on the inner wall of the cylinder 2, and the inner means an end extending inward toward the axis.

Further, many the ladder post structure is in extend the setting on the inner wall of barrel 2, and every the extending direction of ladder post structure with be formed with the contained angle between the axis direction of barrel 2. The extension direction is perpendicular to the protruding direction of the ladder column structure, and the included angle is inclined compared with the axial direction of the cylinder body 2, so that the integral crushing is better realized. Of course, the extension direction of the plurality of crushing ribs 7 may not be exactly the same to better achieve the relative squeezing.

The above detailed description describes the preferred embodiments of the present invention, but the present invention is not limited to the details of the above embodiments, and the technical idea of the present invention can be within the scope of the present invention, and can be right to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.

In addition, various embodiments of the present invention can be combined arbitrarily, and the disclosed content should be regarded as the present invention as long as it does not violate the idea of the present invention.

Claims

1. A screw conveyor is characterized by comprising a cylinder (2) formed with a conveying cavity (1), a rotating shaft (3) extending along the axial direction of the cylinder (2) and arranged in the conveying cavity (1), a screw propelling blade (4) arranged on the outer side surface of the rotating shaft (3) and extending along the axial direction, and a driving mechanism for driving the cylinder (2) and the rotating shaft (3) to rotate respectively; wherein,

the driving mechanism at least comprises a driving motor (5), a driving shaft (6) connected to the output end of the driving motor (5), and a first connecting piece and a second connecting piece which are respectively connected to the driving shaft (6) and are driven to rotate through the driving shaft (6), wherein the first connecting piece is connected with the cylinder body (2), the second connecting piece is connected with the rotating shaft (3), and the first connecting piece and/or the second connecting piece are/is connected with the driving shaft (6) through a speed change structure;

the inner wall of the cylinder body (2) is protruded to form a crushing convex strip (7).

2. The screw conveyor according to claim 1, wherein a plurality of inserting grooves distributed in a ring shape are formed in the barrel body (2) in a concave manner towards the end surface part of the driving shaft (6), the first connecting piece is at least partially arranged around the driving shaft (6) and is formed into a disc-shaped structure (8), and an inserting rod (9) matched with each inserting groove is formed in the disc-shaped structure (8) in a protruding manner towards one side of the barrel body (2).

3. Screw conveyor according to claim 1 or 2, wherein the second connection is connected to the drive shaft (6) by means of the transmission;

the speed change structure comprises a steering part and a speed change part which are sequentially arranged, and the steering part is used for conducting the rotating direction of the driving shaft (6) to the second connecting piece after being reversely adjusted;

the speed change part is used for transmitting the rotation speed of the driving shaft (6) to the second connecting piece after changing speed.

4. The screw conveyor according to claim 3, wherein the steering portion comprises a first bevel gear (10) coaxially connected to the driving shaft (6) and a second bevel gear (11) oppositely arranged on one side of the first bevel gear (10) far away from the driving shaft (6) and coaxially arranged with the first bevel gear (10), the outer side surfaces of the first bevel gear (10) and the second bevel gear (11) are connected through a bevel gear disk (12) respectively meshed with the first bevel gear (10) and the second bevel gear (11), and the axial direction of the bevel gear disk (12) is perpendicular to the axial direction of the first bevel gear (10).

5. The screw conveyor according to claim 4, wherein the speed changing portion comprises a driving wheel (13) coaxially connected to the second bevel gear (11), a driven wheel (14) capable of rotating and coaxially arranged with the driving wheel (13), and a transition wheel (15) extending and arranged outside the driving wheel (13) and the driven wheel (14), and the transition wheel (15) is connected with the driving wheel (13) and the driven wheel (14) through a belt (16);

and the diameters of the driving wheel (13) and the driven wheel (14) are different.

6. The screw conveyor according to claim 1 or 2, wherein the crushing ribs (7) are formed in a ladder-column structure protruding from the inner wall of the barrel (2) toward the axial direction of the barrel (2) in a strip shape, and the cross-sectional area of the ladder-column structure decreases from the outside to the inside.

7. The screw conveyor according to claim 6, wherein a plurality of ladder column structures extend on the inner wall of the cylinder (2), and an included angle is formed between the extending direction of each ladder column structure and the axial direction of the cylinder (2).