CN216710676U

CN216710676U - Automatic cleaning device for powdery material conveying belt

Info

Publication number: CN216710676U
Application number: CN202122537666.9U
Authority: CN
Inventors: 袁平刚; 韩振; 王献东; 胡进; 范兴华; 赵月刚
Original assignee: HBIS Co Ltd Chengde Branch
Current assignee: HBIS Co Ltd Chengde Branch
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-06-10
Anticipated expiration: 2031-10-21

Abstract

The utility model discloses an automatic cleaning device for a powdery material conveying belt, which comprises a support, a floating cross beam, a rubber scraper and an elastic supporting device, wherein the support is arranged below a tail end roller of a belt conveyor and is fixedly connected with a frame of the conveying belt, the floating cross beam is parallel to the axis of the roller and is connected with the support through the elastic supporting device, the upper end of the rubber scraper is propped against the return surface of the conveying belt of the belt conveyor, and the lower end of the rubber scraper is fixedly connected with the floating cross beam, so that the rubber scraper is tightly contacted with the conveying belt by means of the elasticity of the elastic supporting device. The utility model utilizes the elastic supporting device to bear the floating beam and the rubber scraper, so that the rubber scraper is propped against the conveying belt by the elastic force, thereby not only preventing the rubber scraper from excessively contacting the conveying belt, but also avoiding the phenomenon of non-contact, ensuring the cleaning effect of the conveying belt and prolonging the service lives of the rubber scraper and the conveying belt.

Description

Automatic cleaning device for powdery material conveying belt

Technical Field

The utility model relates to a device capable of automatically and effectively cleaning powdery materials adhered to a conveying belt of a belt conveyor, and belongs to the technical field of conveying.

Background

Many manufacturing enterprises use belt conveyors to convey powdery materials, and when the conveyed materials carry moisture or water is sprayed to the materials for dust suppression, some powdery materials are often adhered to the conveyor belts. If the adhered materials rotate to the return direction along with the conveyer belt, most of the materials are scattered on the ground, so that the cleaning labor capacity of workers is increased; a small amount of materials can be adhered to the roller, so that the abrasion of the roller is accelerated, and the conveying belt deviates, thereby influencing the normal operation of equipment.

At present, the most effective method for preventing materials from turning to the return direction along with a conveying belt is to install a contact rubber scraper at the lower part of a head wheel of the belt conveyor, and scrape the materials adhered to the conveying belt by the rubber scraper. However, the position of the traditional rubber scraper is fixed and not changed, and the installation mode is unreasonable, so that the pressure between the traditional rubber scraper and the conveying belt is difficult to control, the phenomenon of excessive contact or non-contact often occurs, the abrasion of the rubber scraper and the conveying belt is accelerated due to excessive contact, the service life of the rubber scraper and the conveying belt is shortened, and the cleaning effect cannot be ensured due to non-contact. And the rubber scraper and the conveyer belt must be replaced after a wear gap appears, and frequent replacement of the rubber scraper not only influences the normal operation of production, but also increases the labor intensity of workers and the maintenance cost of equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an automatic cleaning device for a powdery material conveying belt, aiming at overcoming the defects of the prior art, and prolonging the service life of a rubber scraper and the conveying belt while ensuring the cleaning effect of the conveying belt.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides an automatic cleaning device of powdery material conveyer belt, includes support, unsteady crossbeam, rubber scraper blade and elastic support device, the support set up in belt conveyor's tail end cylinder the below and with the frame fixed connection of conveyer belt, unsteady crossbeam is on a parallel with the axis of cylinder and through elastic support device and leg joint, rubber scraper blade's upper end top is on belt conveyor's the return stroke face of conveyer belt, lower extreme and unsteady crossbeam fixed connection to rely on elastic support device's elasticity to make rubber scraper blade and conveyer belt in close contact with.

The automatic cleaning device for the powdery material conveying belt comprises two elastic supporting units, wherein the two elastic supporting units are symmetrically arranged at two ends of a floating beam, each elastic supporting unit comprises a vertical guide rail, a spring and a supporting plate, the vertical guide rails are fixed on a support, the floating beam is connected with the vertical guide rails in a sliding mode, the supporting plates are located below the floating beam and fixedly connected with the vertical guide rails, the upper ends of the springs are supported on the floating beam, and the lower ends of the springs are supported on the supporting plates.

According to the automatic cleaning device for the powder material conveying belt, the supporting plate is fixedly connected with the vertical guide rail through the height adjusting mechanism, the height adjusting mechanism comprises the adjusting screw rod, the screw nut and the limiting sleeve, the limiting sleeve is vertically fixed to the lower portion of the supporting plate, the screw nut is located below the limiting sleeve and fixedly connected with the vertical guide rail, the screw rod is screwed into a threaded hole of the screw nut, and the upper end of the screw rod is inserted into the limiting sleeve and abuts against the lower surface of the supporting plate.

According to the automatic cleaning device for the powdery material conveying belt, the vertical guide rod is fixed at the lower part of the floating cross beam, and the lower end of the guide rod is inserted into the guide hole in the support and is in sliding connection with the support.

According to the automatic cleaning device for the powder material conveying belt, the vertical guide rail is a vertical plate, the upper portion of the vertical guide rail is provided with the guide groove in the vertical direction, the floating cross beam is provided with the limiting bolt, and one end of the limiting bolt is inserted into the guide groove and is in sliding contact with the groove wall of the guide groove.

According to the automatic cleaning device for the powder material conveying belt, the positioning column is fixed at the lower part of the floating cross beam, and the upper end of the spring is sleeved on the positioning column.

The automatic cleaning device for the powdery material conveying belt further comprises an upper protection sleeve and a lower protection sleeve which are coaxial with the spring, the upper protection sleeve and the lower protection sleeve are both loosely sleeved outside the spring, the upper protection sleeve is fixed to the lower portion of the floating cross beam, the lower end of the lower protection sleeve is fixedly connected with the supporting plate, and the upper end of the lower protection sleeve is loosely sleeved in the upper protection sleeve and is separated from the floating cross beam.

According to the automatic cleaning device for the powdery material conveying belt, the rubber scraper is fixedly connected with the floating cross beam through the bolt.

According to the automatic cleaning device for the powdery material conveying belt, the width of the rubber scraper is not less than that of the conveying belt of the belt conveyor.

According to the automatic cleaning device for the powder material conveying belt, the floating cross beam is made of angle steel.

The utility model utilizes the elastic supporting device to bear the floating beam and the rubber scraper, so that the rubber scraper is propped against the conveying belt by the elastic force, thereby not only preventing the rubber scraper from excessively contacting the conveying belt, but also avoiding the phenomenon of non-contact, ensuring the cleaning effect of the conveying belt and prolonging the service lives of the rubber scraper and the conveying belt.

When a wear gap appears between the rubber scraper and the conveying belt, the rubber scraper can be properly lifted through the height adjusting mechanism, and the pressure between the rubber scraper and the conveying belt is recovered, so that the rubber scraper can be fully utilized, the normal production process is prevented from being influenced by frequent replacement of the rubber scraper, and the labor intensity of workers and the maintenance cost of equipment are reduced.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1 is a front view of the present invention;

FIG. 2 is a side view of the present invention;

fig. 3 is a schematic structural view of the elastic support unit.

The reference numbers in the figures are as follows: 1. a conveyor belt; 2. a drum; 3. a frame; 4. a rubber blade; 5. a limit bolt; 6. a spring; 7. an upper protective sleeve; 8. adjusting a screw rod; 9. a lower protective sleeve; 10. a floating beam; 11. a support plate; 12. a vertical guide rail; 13. a guide hole; 14. a guide bar; 15. a support; 16. a guide groove; 17. a nut; 18. a positioning column; 19. and (5) limiting a sleeve.

Detailed Description

The utility model provides an automatic cleaning device for a powdery material conveying belt, which can prevent a rubber scraper from excessively contacting or not contacting the conveying belt, can ensure the cleaning effect of the conveying belt, can prolong the service lives of the rubber scraper and the conveying belt (the service life of the conveying belt is prolonged from 6 months to 12 months), and can reduce the labor intensity of workers and the maintenance cost of equipment.

Referring to fig. 1-3, the utility model mainly comprises a rubber scraper 4, a limit bolt 5, a spring 6, an upper protective sleeve 7, an adjusting screw rod 8, a lower protective sleeve 9, a floating beam 10, a supporting plate 11, a vertical guide rail 12, a guide rod 14, a bracket 15, a nut 17, a positioning column 18 and a limit sleeve 19.

The utility model is installed at the lower part of a tail end roller 2 (head wheel) of a belt conveyor, a floating beam 10 is made of angle steel, a rubber scraper 4 with the same width as a conveyor belt 1 is fixed on the floating beam 10 with 4 holes by bolts and nuts, flat washers are added at two sides of the bolts and the nuts, the displacement of two ends of the floating beam 10 is limited by a limit bolt 5 and a vertical guide rail 12, the vertical guide rail 12 is fixed on a bracket 15, the limit bolt 5 is fixed at the end part of the floating beam 10 and can slide up and down along a guide groove 16 on the vertical guide rail 12, so that the rubber scraper 4 vertically moves up and down along with the floating beam 10. The elastic supporting device comprises two elastic supporting units, each elastic supporting unit comprises a vertical guide rail 12, a spring 6, a supporting plate 11 and a height adjusting mechanism, the height adjusting mechanism consists of an adjusting screw 8, a screw 17, a positioning column 18, an upper protecting sleeve 7, a lower protecting sleeve 9 and a limiting sleeve 19, the screw 17 is welded on the vertical guide rail 12, the adjusting screw 8 is screwed into the screw 17 and is propped against the lower surface of the supporting plate 11, the spring 6 is limited by the positioning column 18, the upper protecting sleeve 7 and the lower protecting sleeve 9, the lower protecting sleeve 9 is fixed on the upper part of the supporting plate 11, the limiting sleeve 19 capable of clamping the adjusting screw 8 is welded on the lower part of the supporting plate 11, the upper protecting sleeve 7 is welded on the lower part of a floating cross beam 10, a rubber scraper 4 is contacted with a conveying belt, the floating cross beam 10 is fixed on a K-shaped bracket 15 connected with a rack 3 through an elastic supporting device, and two guide holes 13 matched with guide rods 14 on the floating cross beam 10 are added in the middle of the bracket 15, through the pressure between elastic support device control rubber scraper 4 and the conveyer belt 1, on the one hand elastic support device can realize the automatically regulated of pressure under the less circumstances of rubber scraper 4 wearing and tearing volume, on the other hand when rubber scraper 4 because of the wearing and tearing volume great and when separating with conveyer belt 1, accessible manual rotatory accommodate the lead screw 8 makes rubber scraper 4 and conveyer belt 1 recontact, guarantee that rubber scraper 4 forms the line contact with the return surface shape of conveyer belt 1, and then will glue the powdery material who glues on the conveyer belt and clean up.

In the device, the size of the rubber scraper is 1200 × 300 × 30 mm, the floating beam 10 is made of angle steel of 80 × 6 mm, the size of the upper protective sleeve is phi 25mm × 40mm, the size of the lower protective sleeve is phi 20mm × 60mm, and the bracket is made of channel steel of 100 × 50 × 6 mm.

The manufacturing and mounting method of the device comprises the following steps: firstly, fixing a rubber scraper 4 on a floating cross beam 10 with a hole by using a fixing bolt, a nut and a flat washer, connecting two ends of the floating cross beam 10 on a vertical guide rail 12 in a sliding manner by using a limiting bolt 5, the nut and the flat washer, fixing the vertical guide rail 12 on a support 15, and adjusting the cleaning device to a working position, namely, a position which is 310-315 mm away from the front edge of the lower end of a head wheel. The spring 6 is limited by a positioning column 18, an upper protection sleeve 7 and a lower protection sleeve 9, the upper protection sleeve 7 is connected with the floating beam 10, the lower protection sleeve 9 is connected with the supporting plate 11, the positioning column 18 is welded at the corresponding position of the floating beam 10 and the supporting plate 11, and the upper protection sleeve 7 and the lower protection sleeve 9 can effectively isolate interference of powdery materials on the spring 6; secondly, the bracket 15 adopts a K-shaped structure, and the bracket 15 is welded on the frame 3 of the belt conveyor. When the conveyer belt 1 runs, the rubber scraper 4 contacted with the conveyer belt reversely cleans the powdery material stuck on the conveyer belt 1, so that the powdery material falls into the first wheel chute hopper to enter the next procedure.

Compared with the traditional sweeper, the sweeper disclosed by the utility model can efficiently clean sticky powdery materials of the conveying belt in real time, ensures that the roller is not sticky and the conveying belt is not off-tracking for a long time, and provides a powerful guarantee for the normal operation of the belt conveyor.

Claims

1. The utility model provides an automatic cleaning device of powdery material conveyer belt, characterized by, includes support (15), unsteady crossbeam (10), rubber scraper (4) and elastic support device, support (15) set up in the below of belt conveyor's tail end cylinder (2) and with frame (3) fixed connection of conveyer belt, unsteady crossbeam (10) are on a parallel with the axis of cylinder (2) and are connected with support (15) through elastic support device, the upper end top of rubber scraper (4) is on the return stroke face of conveyer belt (1) of belt conveyor, lower extreme and unsteady crossbeam (10) fixed connection to rely on elastic support device's elasticity to make rubber scraper (4) and conveyer belt (1) in close contact with.

2. The automatic cleaning device for the powder material conveying belt according to claim 1, wherein the elastic supporting device comprises two elastic supporting units, the two elastic supporting units are symmetrically arranged at two ends of the floating cross beam (10), each elastic supporting unit comprises a vertical guide rail (12), a spring (6) and a supporting plate (11), the vertical guide rail (12) is fixed on a bracket (15), the floating cross beam (10) is slidably connected with the vertical guide rail (12), the supporting plate (11) is positioned below the floating cross beam (10) and fixedly connected with the vertical guide rail (12), the upper end of the spring (6) is abutted against the floating cross beam (10), and the lower end of the spring is abutted against the supporting plate (11).

3. The automatic cleaning device for the powder material conveying belt according to claim 2, wherein the supporting plate (11) is fixedly connected with the vertical guide rail (12) through a height adjusting mechanism, the height adjusting mechanism comprises an adjusting screw rod (8), a nut (17) and a limiting sleeve (19), the limiting sleeve (19) is vertically fixed at the lower part of the supporting plate (11), the nut (17) is positioned below the limiting sleeve (19) and is fixedly connected with the vertical guide rail (12), the screw rod (8) is screwed into a threaded hole of the nut (17), and the upper end of the screw rod (8) is inserted into the limiting sleeve (19) and is abutted against the lower surface of the supporting plate (11).

4. The automatic cleaning device for the powder material conveying belt according to claim 3, wherein a vertical guide rod (14) is fixed to the lower portion of the floating beam (10), and the lower end of the guide rod (14) is inserted into a guide hole (13) of a bracket (15) and is slidably connected with the bracket (15).

5. The automatic cleaning device for the powder material conveying belt according to claim 4, wherein the vertical guide rail (12) is a vertical plate, a vertical guide groove (16) is formed in the upper portion of the vertical guide rail, a limit bolt (5) is arranged on the floating cross beam (10), and one end of the limit bolt (5) is inserted into the guide groove (16) and is in sliding contact with the wall of the guide groove (16).

6. The automatic cleaning device for the powder material conveying belt according to claim 5, wherein a positioning column (18) is fixed at the lower part of the floating cross beam (10), and the upper end of the spring (6) is sleeved on the positioning column (18).

7. The automatic cleaning device for the powder material conveying belt according to claim 6, wherein the elastic supporting unit further comprises an upper protecting cover (7) and a lower protecting cover (9) which are coaxial with the spring (6), both of which are loosely covered outside the spring (6), the upper protecting cover (7) is fixed at the lower part of the floating beam (10), the lower end of the lower protecting cover (9) is fixedly connected with the supporting plate (11), and the upper end of the lower protecting cover is loosely covered in the upper protecting cover (7) and is separated from the floating beam (10).

8. The automatic cleaning device for the powder material conveying belt according to claim 7, wherein the rubber scraper (4) is fixedly connected with the floating cross beam (10) through a bolt.

9. The automatic cleaning device for the powder material conveying belt according to claim 8, wherein the width of the squeegee (4) is not smaller than the width of the conveying belt (1) of the belt conveyor.

10. The automatic cleaning device for the powder material conveying belt according to claim 9, wherein the floating cross member (10) is made of angle steel.