CN212197252U

CN212197252U - Novel screw conveyer carries axle afterbody to support device

Info

Publication number: CN212197252U
Application number: CN201821563995.2U
Authority: CN
Inventors: 杨毫; 许志川
Original assignee: Xinghe Spaceflight Technology Tianjin Co ltd
Current assignee: Xinghe Spaceflight Technology Tianjin Co ltd
Priority date: 2018-09-21
Filing date: 2018-09-21
Publication date: 2020-12-22
Anticipated expiration: 2028-09-21

Abstract

The utility model provides a novel spiral conveyer conveying shaft tail supporting device, which comprises a speed reducing motor, a shaft coupling, an outer cylinder body, a spiral sheet, a rotating shaft and a tail supporting structure, wherein the speed reducing motor is fixedly connected with the shaft coupling, one end of the rotating shaft is fixedly connected with the shaft coupling through a supporting ring, the other end of the rotating shaft is fixedly connected with the tail supporting structure, the speed reducing motor, the shaft coupling, outer barrel, axis of rotation and coaxial setting of afterbody bearing structure, afterbody bearing structure include barrel curb plate, brass bar and briquetting, barrel curb plate fixed mounting is on the terminal surface of outer barrel, brass bar one end is cup jointed on the barrel curb plate through the briquetting, the brass bar other end is pegged graft with the axis of rotation, the import has been seted up at outer barrel one end top, the export has been seted up to outer barrel other end bottom, support ring bottom fixedly connected with supporting pedestal, gear motor bottom fixed mounting is on supporting pedestal. The utility model discloses can replace antifriction bearing back shaft, brass piece wearing and tearing volume is little, has guaranteed the even running of conveyer.

Description

Novel screw conveyer carries axle afterbody to support device

Technical Field

The utility model relates to a conveyer carries axle technical field, concretely relates to novel screw conveyer carries axle afterbody to support device.

Background

The double-screw conveyer is a common material conveying device in industry, and has the characteristics of high efficiency, quantitative and continuous conveying. The motor mainly comprises a motor reducer, a coupler, an outer cylinder, a spiral piece, a shaft and a tail support. The tail support of the common screw conveyor adopts a rolling bearing. The rolling bearing is mounted in a bearing housing. In the process of conveying sludge (solid) with the water content of about 60%, the sludge can enter a bearing through a gap between a shaft and a cylinder end cover, so that the lubricating environment of the bearing is polluted, the service life of the bearing is greatly shortened, and therefore the structure of the supporting device at the tail part of the conveying shaft of the spiral conveyor is improved and designed to meet the requirements of actual industrial production.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses a main aim at solves the problem that exists among the prior art, provides one kind and can replace antifriction bearing back shaft, and brass piece wearing and tearing volume is little, has guaranteed the screw conveyer conveying shaft afterbody strutting arrangement of the even running of conveyer.

In order to solve the technical problem, the utility model discloses a technical scheme is: a novel screw conveyor conveying shaft tail supporting device comprises a speed reducing motor, a coupler, an outer barrel, a spiral sheet, a rotating shaft and a tail supporting structure, wherein the speed reducing motor is fixedly connected with the coupler, the spiral sheet is fixedly connected to the outer portion of the rotating shaft, two ends of the rotating shaft penetrate through the outside of the outer barrel and extend to the outer portion of the outer barrel, one end of the rotating shaft is fixedly connected with the coupler through a supporting ring, the other end of the rotating shaft is fixedly connected with the tail supporting structure, the speed reducing motor, the coupler, the outer barrel, the rotating shaft and the tail supporting structure are coaxially arranged, the tail supporting structure comprises a barrel side plate, a brass block and a pressing block, the barrel side plate is fixedly arranged on the end face of the outer barrel, one end of the brass block is sleeved on the barrel side plate through the pressing block, the brass block other end with the axis of rotation is pegged graft, the import has been seted up at outer barrel one end top, the export has been seted up to outer barrel other end bottom, support ring bottom fixedly connected with support base, gear motor bottom fixed mounting be in on the support base.

Preferably, the brass block comprises a connecting end, a clamping portion and a free end, the connecting end and the clamping portion are integrally formed, the clamping portion is fixedly connected with the free end, a clamping groove matched with the connecting end is formed in the rotating shaft, and the rotating shaft and the clamping portion are connected in an inserting mode through the clamping groove and the connecting end.

Preferably, the cylinder side plate is provided with a circular groove, the free end is sleeved inside the cylinder side plate through the circular groove, and the free end is in interference fit with the circular groove.

Preferably, the cylinder side plate, the brass block and the pressing block are coaxially arranged, and the pressing block is sleeved on the free end and attached to the clamping portion.

Preferably, the brass block has an axial length of between 35 and 40 mm.

Preferably, the rotating shaft and the pressing block are both made of 304 stainless steel.

Compared with the prior art, the utility model provides a novel screw conveyer carries axle afterbody strutting arrangement, the advantage and the beneficial effect that possess are:

(1) through setting up the mutually supporting between brass piece and axis of rotation and the barrel curb plate, and because install the briquetting between brass piece and the barrel curb plate, can make the external diameter of brass piece link tightly paste on the medial surface of outer barrel through the briquetting, prevented effectively that mud from leaking outward.

(2) Through setting up the brass bar that comprises link, joint portion and free end, wherein link and joint portion integrated into one piece, joint portion and free end fixed connection, the axis of rotation seted up with link matched with draw-in groove, make axis of rotation and joint portion peg graft together through draw-in groove and link, the installation, the dismantlement and the maintenance of the brass bar of being convenient for.

(3) The outer diameter of the free end of the brass block is 0.3-0.5 mm smaller than the inner diameter of a circular groove formed in a side plate of the cylinder body, the axial length of the brass block is 35-40mm, the novel tail supporting device structure can meet the requirement for stable operation of a shaft, the abrasion loss of the brass block 9 is small, and the novel tail supporting device can replace a supporting shaft of an existing rolling bearing.

Drawings

Fig. 1 is a schematic view of the overall structure of a novel supporting device at the tail part of a conveying shaft of a spiral conveyor;

fig. 2 is a schematic front structural view of a novel conveying shaft tail supporting device of the screw conveyor of the present invention;

fig. 3 is a schematic structural view of a workpiece mounting base of a novel conveying shaft tail supporting device of the screw conveyor of the present invention;

fig. 4 is a schematic structural diagram of a brass block of the novel supporting device at the tail of the conveying shaft of the screw conveyor.

In the figure: 1-a speed reduction motor; 2-a coupler; 3-outer cylinder; 4-a flight; 5-a rotating shaft; 6-tail support structure; 7-a support ring; 8-side plate of the cylinder body; 9-brass blocks; 10-briquetting; 11-an inlet; 12-an outlet; 13-a support base; 14-a connection end; 15-a clamping part; 16-a free end; 17-a card slot; 18-circular groove.

Detailed Description

For a better understanding of the present invention, the following further description is given in conjunction with the following embodiments and accompanying drawings.

As shown in fig. 1 to 4, the utility model provides a novel screw conveyor conveying shaft tail supporting device, which comprises a speed reducing motor 1, a shaft coupling 2, an outer cylinder 3, a spiral piece 4, a rotating shaft 5 and a tail supporting structure 6, wherein the speed reducing motor 1 is fixedly connected with the shaft coupling 2, the spiral piece 4 is fixedly connected with the outside of the rotating shaft 5, two ends of the rotating shaft 5 are all penetrated out and extend to the outside of the outer cylinder 3, one end of the rotating shaft 5 is fixedly connected with the shaft coupling 2 through a supporting ring 7, the other end of the rotating shaft 5 is fixedly connected with the tail supporting structure 6, the speed reducing motor 1, the shaft coupling 1, the outer cylinder 3, the rotating shaft 5 and the tail supporting structure 6 are coaxially arranged, the tail supporting structure 6 comprises a cylinder side plate 8, a brass block 9 and a pressing block 10, the cylinder side plate 9 is fixedly installed on the end face of the outer cylinder 3, the improved sludge-water separator is characterized in that one end of the brass block 9 is sleeved on the cylinder side plate 8 through the pressing block 10, the other end of the brass block 9 is inserted into the rotating shaft 5, an inlet 11 is formed in the top of one end of the outer cylinder 3, an outlet 12 is formed in the bottom of the other end of the outer cylinder 3, a supporting base 13 is fixedly connected to the bottom of the supporting ring 7, the bottom of the speed reducing motor 1 is fixedly mounted on the supporting base 13, the rotating speed of the speed reducing motor 1 is generally controlled to be 20-35 rpm and the speed reducing motor operates at a low rotating speed, so that the problem of severe abrasion caused by limited brass abrasion degree is solved, and the rotating shaft 5 is subjected to the reaction force of materials in the operation process of the screw conveyor, so that the outer diameter of the connecting end of the brass block 9 can. The novel tail supporting device structure replaces the traditional rolling bearing support, the rotating shaft 5 is inserted into the brass block 9, the rotating shaft 5 and the pressing block 10 are made of the same material, and the rotating shaft 5 and the pressing block are fixedly connected together through welding.

Further, the brass block 9 comprises a connecting end 14, a clamping portion 15 and a free end 16, the connecting end 14 is integrally formed with the clamping portion 15, the clamping portion 15 is fixedly connected with the free end 16, the rotating shaft 5 is provided with a clamping groove 17 matched with the connecting end 14, the rotating shaft 5 is connected with the clamping portion 15 in an inserting mode through the clamping groove 17 and the connecting end 14, the connecting end 14 and the clamping portion 15 are integrally formed, the clamping portion 15 is fixedly connected with the free end 16, the brass block 9 can be conveniently and directly installed on the rotating shaft 5, and installation, disassembly and maintenance are facilitated.

Further, the cylinder side plate 8 is provided with a circular groove 18, the free end 16 is sleeved inside the cylinder side plate 8 through the circular groove 18, the free end 16 is in interference fit with the circular groove 18, when the screw equipment is powered on and normally operates, the brass block 9 and the rotating shaft 5 rotate together at the same rotating speed, the outer diameter of the free end 16 rotates on the outer cylinder 3 and generates rolling friction, the outer cylinder 3 is made of 304 stainless steel, and the brass hardness is much smaller than the steel hardness, so that only the loss of the brass block 9 occurs during the rolling friction, and the outer cylinder 3 hardly generates the loss.

Further, barrel curb plate 8 the brass cake 9 with briquetting 10 coaxial setting, briquetting 10 cup joints on free end 16 and with 15 laminating of joint portion can block mud, avoids mud to leak the outside condition of screw conveyer.

Furthermore, the axial length of the brass block 9 is 35-40mm, and the fact that the axial length of the brass block 9 is 35-40mm can ensure that the free end 16 of the brass block 9 after being installed on the cylinder side plate 8 extends to the outside of the conveyor to achieve a good sealing effect on internal sludge, and leakage of the sludge is avoided.

Further, the rotating shaft 5 and the pressing block 10 are both made of 304 stainless steel, and the abrasion resistance of the rotating shaft 5 and the pressing block 10 is improved.

The utility model discloses a theory of operation and working process as follows: when the screw equipment is started to normally operate, the brass block 9 and the rotating shaft 5 rotate together at the same rotating speed, the outer diameter of the free end 16 rotates on the outer cylinder 3 and generates rolling friction, the outer cylinder 3 is made of 304 stainless steel, the hardness of brass is much less than that of steel, so that only the brass block 9 is lost during the rolling friction, the outer cylinder 3 hardly generates the loss condition, and the rotating speed of the speed reducing motor 1 of the screw conveyor of the sludge treatment process is generally controlled to be 20-35 rpm and belongs to low-rotating-speed operation, so that the problem of serious abrasion caused by limited brass abrasion degree is solved, and the rotating shaft 5 is subjected to the reaction force of materials in the operation process of the screw conveyor, so that the outer diameter of the connecting end of the brass block 9 is tightly attached to the inner side face of the outer cylinder 3 through the pressing block 10, and the sludge leakage is effectively prevented. The novel tail supporting device structure replaces the traditional rolling bearing support, a rotating shaft 5 is inserted into a brass block 9, the rotating shaft 5 and a pressing block 10 are made of the same material and fixedly connected together through welding, the rotating shaft 5 and the pressing block 10 are welded and deformed, the brass block 9 is convenient to disassemble and assemble and other factors, the inner diameter of a connecting end 14 of the brass block 9 is 0-0.3 mm smaller than the outer diameter of the rotating shaft 5, the rotating shaft 5 and the pressing block 10 are in interference fit, a free end 16 of the brass block 9 is arranged in a cylinder side plate 8 through a circular groove 18, in order to facilitate the installation of the brass block 9, the outer diameter of the free end 16 of the brass block 9 is 0.3-0.5 mm smaller than the inner diameter of the circular groove 18 formed in the cylinder side plate 8, the axial length of the brass block 9 is 35-40mm, and the novel tail supporting device structure can meet the requirement for stable operation of a shaft, and the brass block 9 has smaller abrasion loss and can completely replace a supporting shaft of a rolling bearing.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.

Claims

1. The utility model provides a novel screw conveyer carries axle afterbody to support device which characterized in that: including gear motor (1), shaft coupling (2), outer barrel (3), flight (4), axis of rotation (5) and afterbody bearing structure (6), gear motor (1) with shaft coupling (2) fixed connection, flight (4) fixed connection be in axis of rotation (5) are outside, axis of rotation (5) both ends all link up and wear out to extend to outer barrel (3) are outside, axis of rotation (5) one end pass through support ring (7) with shaft coupling (2) fixed connection, axis of rotation (5) other end with afterbody bearing structure (6) fixed connection, gear motor (1) shaft coupling (2) outer barrel (3) axis of rotation (5) with afterbody bearing structure (6) coaxial setting, afterbody bearing structure (6) include barrel curb plate (8), Brass block (9) and briquetting (10), barrel curb plate (8) fixed mounting be in on the terminal surface of outer barrel (3), brass block (9) one end is passed through briquetting (10) cup joint on barrel curb plate (8), brass block (9) other end with axis of rotation (5) are pegged graft, import (11) have been seted up at outer barrel (3) one end top, export (12) have been seted up to outer barrel (3) other end bottom, support ring (7) bottom fixedly connected with supporting pedestal (13), gear motor (1) bottom fixed mounting be in on supporting pedestal (13).

2. The novel conveying shaft tail supporting device of the spiral conveyor as claimed in claim 1, wherein: the brass block (9) comprises a connecting end (14), a clamping portion (15) and a free end (16), the connecting end (14) and the clamping portion (15) are integrally formed, the clamping portion (15) and the free end (16) are fixedly connected, a clamping groove (17) matched with the connecting end (14) is formed in the rotating shaft (5), and the rotating shaft (5) and the clamping portion (15) are connected in an inserting mode through the clamping groove (17) and the connecting end (14).

3. The novel conveying shaft tail supporting device of the spiral conveyor as claimed in claim 2, wherein: the barrel side plate (8) is provided with a circular groove (18), the free end (16) is sleeved inside the barrel side plate (8) through the circular groove (18), and the free end (16) is in interference fit with the circular groove (18).

4. The novel conveying shaft tail supporting device of the spiral conveyor as claimed in claim 2, wherein: the barrel side plate (8), the brass block (9) and the pressing block (10) are coaxially arranged, and the pressing block (10) is sleeved on the free end (16) and attached to the clamping portion (15).

5. The novel conveying shaft tail supporting device of the spiral conveyor as claimed in claim 1, 2 or 4, wherein: the axial length of the brass block (9) is between 35 and 40 mm.

6. The novel conveying shaft tail supporting device of the spiral conveyor as claimed in claim 1, wherein: the rotating shaft (5) and the pressing block (10) are both made of 304 stainless steel.