CN215314747U

CN215314747U - Brush roll device with closed dust removal system for removing iron oxide scales

Info

Publication number: CN215314747U
Application number: CN202121696945.3U
Authority: CN
Inventors: 吴修文; 汪建国; 魏超
Original assignee: Masteel Design & Research Institute Co ltd
Current assignee: Masteel Design & Research Institute Co ltd
Priority date: 2021-07-23
Filing date: 2021-07-23
Publication date: 2021-12-28
Anticipated expiration: 2031-07-23

Abstract

The utility model discloses a brush roll device with a closed dust removal system for removing iron oxide scales, and belongs to the technical field of hot rolling production line equipment in the metallurgical industry. The utility model comprises a frame, an upper brush roll and a lower brush roll, wherein the two brush rolls are arranged along the vertical direction of the frame; an upper dust hood is arranged on the outer side of the upper brush roll; the lower brush roll is provided with a lower dust removing cover, an upper dust removing cover and a lower dust removing cover, and negative pressure is formed inside the lower dust removing cover. And the upper brush roll and the lower brush roll can move up and down under the driving of the cylinder. According to the utility model, the dust removal covers are arranged on the outer sides of the upper and lower rollers and are externally connected with the dust removal connecting pipe, so that negative pressure is kept in the dust removal covers, removed oxide skins can be sucked away in time, manual cleaning of the discs is not needed, manual intervention is reduced, and the production efficiency is improved. The two brush rolls are driven by the air cylinder to move up and down, the positions of the brush rolls are adjusted in time, the contact area between the bristles and the strip steel is guaranteed to be optimal, the service life of the brush rolls is prolonged, and the production efficiency is improved.

Description

Brush roll device with closed dust removal system for removing iron oxide scales

Technical Field

The utility model belongs to the technical field of hot rolling production line equipment in the metallurgical industry, and particularly relates to a brush roll device with a closed dust removal system for removing iron oxide scales.

Background

In a hot-rolled strip steel production line in the metallurgical industry, because iron scales and dust are attached to the surface of the hot-rolled strip steel, the surface layer of the iron scales is fragile, if the hot-rolled strip steel is not cleaned in time, iron scale particle powder can be pressed into the strip steel along with the strip steel entering a pinch roll and a straightener, the surface quality of the strip steel is influenced, in addition, a large amount of dust particles can be generated when the strip steel passes through the pinch roll and the straightener roll, the ambient air environment is greatly influenced, and the health of personnel is harmed. Therefore, under the conditions of improving the surface quality of the strip steel and improving the environmental protection performance of the production line, the brush roll device with the dust removal system for removing the iron oxide scales is required to be arranged in the hot rolling strip steel production line.

The existing brush roll device is poor in dust removal effect, and the collection disc dragged out needs to be cleaned manually, so that the labor cost is increased. The lower brush roll is not provided with a lifting device and cannot lift up and down, and after the bristles of the lower brush roll are worn, the contact area between the bristles and the strip steel cannot be adjusted in time, so that the effect of brushing iron oxide scales is reduced.

Through retrieval, the Chinese patent number: CN106881362A discloses a hot-rolling longitudinal shearing iron scale removing device and method for a fine blanking production line, wherein iron scales on the upper and lower surfaces of a hot-rolling strip steel entering between brush rolls are subjected to rolling brushing through the brush rolls so as to remove fallen and non-fallen iron scales; the iron scale removed from the upper surface of the strip steel is sucked up through the upper dust removal pipe; and collecting the iron scale removed from the lower surface of the hot-rolled strip steel by an iron scale collecting tray, and dragging out the iron scale through a sliding rail for cleaning. Although the device and the method remove the iron oxide scales on the upper surface and the lower surface of the strip steel, the upper surface removes dust through the upper dust removal mechanism, the upper dust removal mechanism does not surround the whole brush roll region, the upper dust removal mechanism cannot lift up and down along with the upper brush roll, the dust collection effect is poor, the lower surface of the strip steel is only provided with the collection disc, the dust removal mechanism is not arranged, the collection area of the collection disc is limited, the iron oxide scales on the lower surface can also be in a dust raising state, the dust collection effect of the fixed collection disc is poor, the collection disc which is dragged out needs to be manually cleaned, and the labor cost is increased. The lower brush roll is not provided with a lifting device and cannot lift up and down, and after the bristles of the lower brush roll are worn, the contact area between the bristles and the strip steel cannot be adjusted in time, so that the effect of brushing iron oxide scales is reduced.

Disclosure of Invention

1. Technical problem to be solved by the utility model

In view of the problems that the conventional device for removing the oxide skin of the strip steel needs to manually clean the collecting disc after removing the oxide skin, wastes time and labor, and the contact area between the bristles and the strip steel cannot be adjusted in time after the bristles are worn, so that the effect of removing the oxide skin is reduced, the brush roll device with the closed dust removal system for removing the oxide skin, provided by the utility model, has the advantages that the upper closed dust removal system and the lower closed dust removal system are adopted, the dust removal area is large, the dust removal effect is good, the upper brush roll and the lower brush roll can be lifted, the service life of the brush roll is prolonged, the lower closed dust removal system is additionally arranged on the lower roll, the manual intervention is reduced, and the production efficiency is improved.

2. Technical scheme

In order to achieve the purpose, the technical scheme provided by the utility model is as follows:

the utility model discloses a brush roll device with a closed dust removal system for removing oxide scales, which comprises a rack, an upper brush roll and a lower brush roll, wherein the two brush rolls are arranged along the vertical direction of the rack; an upper dust hood is arranged on the outer side of the upper brush roll, and the coverage area of the upper dust hood is larger than the axial sectional area of the upper brush roll; a lower dust removal cover is arranged on the outer side of the lower brush roll, and the coverage area of the lower dust removal cover is larger than the axial sectional area of the lower brush roll; the interior of the upper dust hood and the interior of the lower dust hood are negative pressure.

Furthermore, the upper brush roll comprises a roll body and a brush, the roll body is mounted on the rack through a fixed frame, and the brush is wrapped on the periphery of the roll body; the lower brush roll structure is the same as the upper brush roll structure.

Furthermore, the top of the upper dust hood is communicated with the upper dust removal connecting pipe, and one side of the lower dust hood is communicated with the lower dust removal connecting pipe.

Furthermore, the fixing frame of the upper brush roll is connected with the upper roll cylinder and driven by the upper roll cylinder to move; the fixing frame of the lower brush roll is connected with the lower roll cylinder and is driven by the lower roll cylinder to move.

Furthermore, the upper dust hood is fixedly connected with a fixing frame of the upper brush roll and moves along with the upper brush roll; the lower dust hood is fixedly connected with the fixing frame of the lower brush roll and moves along with the lower brush roll.

Furthermore, baffles are arranged on the periphery of the upper brush roll in the length direction; the periphery of the lower brush roll in the length direction is also provided with a baffle.

Furthermore, the upper brush roll and the lower brush roll are connected with a driving mechanism and driven by the driving mechanism to rotate, and the rotating directions of the upper brush roll and the lower brush roll are opposite.

Furthermore, the driving mechanism comprises a motor, and the motor is connected with the brush roller through a connecting piece through a connecting rod.

Furthermore, two supporting rollers are respectively arranged on two sides of the brush roller device along the moving direction of the steel belt and supported by the supporting roller frames.

Furthermore, the frame is arranged on the base, and the motor is arranged on the motor base through the motor bracket; and a bearing is arranged between the roller body and the fixed frame.

3. Advantageous effects

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

(1) in view of the problems that the existing device for removing the oxide skin of the strip steel needs manual cleaning and the contact area between the brush hair and the strip steel cannot be adjusted in time after the brush is worn, the brush roll device with the closed dust removal system for removing the oxide skin is provided with the dust removal covers on the outer sides of the upper roll and the lower roll and is externally connected with the dust removal connecting pipe, so that negative pressure is kept in the dust removal covers, the removed oxide skin can be sucked away in time, the manual cleaning of the coil is not needed, the manual intervention is reduced, and the production efficiency is improved.

(2) According to the brush roll device with the closed dust removal system for removing the iron oxide scales, the areas around the upper and lower brush rolls are closed by the baffles, so that the dust removal area is greatly increased, the oxide scales in the device are completely removed, and equipment faults caused by splashing around are avoided.

(3) According to the brush roll device with the closed dust removal system for removing the iron oxide scales, the two brush rolls are driven by the air cylinder to move up and down, when the bristles on the brush are abraded, the positions of the brush rolls are adjusted in time, the contact area between the bristles and the strip steel is guaranteed to be optimal, the problem of reduction of the iron oxide scale removal effect is solved, the service life of the brush rolls is prolonged, and the production efficiency is improved.

Drawings

FIG. 1 is a front view of a brush roll device with a closed dust removal system for removing iron oxide scales, provided by the utility model;

FIG. 2 is a side view of the brush roll device with a closed dust removal system for removing iron oxide scales according to the present invention;

FIG. 3 is a top view of the brush roll device with a closed dust removal system for removing iron oxide scale according to the present invention;

the reference numerals in the schematic drawings illustrate:

1. an upper roller cylinder; 2. a frame; 3. an upper brush roll; 31. a fixed mount; 32. a bearing; 33. a baffle plate; 34. a roller body; 35. a brush; 36. a connecting member; 4. a lower brush roll; 5. a lower roll cylinder; 6. an upper dust removal connecting pipe; 7. arranging a dust hood; 8. a lower dust hood; 9. a lower dust removal connecting pipe; 10. a base; 11. a drive mechanism; 111. a connecting rod; 112. a motor; 113. a motor bracket; 114. a motor base; 12. a carrier roller; 13. a roller carrier.

Detailed Description

For a further understanding of the utility model, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.

Examples

With reference to fig. 1-3, the brush roll device with the closed dust removal system for removing the oxidized iron scale of the embodiment is arranged in front of a pinch roll and a straightener of a production line, and at least two brush roll devices can be arranged, wherein each brush roll device comprises a frame 2, an upper brush roll 3 and a lower brush roll 4, and the two brush rolls are arranged along the vertical direction of the frame 2; an upper dust hood 7 is arranged on the outer side of the upper brush roll 3, and the coverage area of the upper dust hood 7 is larger than the axial sectional area of the upper brush roll 3; a lower dust hood 8 is arranged outside the lower brush roll 4, and the coverage area of the lower dust hood 8 is larger than the axial sectional area of the lower brush roll 4; the interior of the upper dust hood 7 and the interior of the lower dust hood 8 are negative pressure.

In this embodiment, go up brush roll 3 and include roll body 34 and brush 35, roll body 34 passes through mount 31 and installs in frame 2, brush 35 parcel in roll body 34 periphery, wherein mount 31 is connected with last roller cylinder 1, by last roller cylinder 1 drive removal, brush 35 is the wire brush in this embodiment, installs baffle 33 around last brush roll 3 length direction, roll body 34 and mount 31 between be provided with bearing 32.

The lower brush roll 4 structure is the same as the upper brush roll 3 structure, and also comprises a roll body and a brush, wherein the roll body is installed on the frame 2 through a fixing frame, the brush is wrapped on the periphery of the roll body, and the fixing frame lower roll cylinder 5 is connected and driven to move by the lower roll cylinder 5. The periphery of the lower brush roller 4 in the length direction is also provided with a baffle plate, and a bearing is arranged between the roller body and the fixed frame. This embodiment utilizes the baffle to seal in upper and lower brush roll region all around, and very big increase the dust removal region, guarantee that the inside cinder of device is totally clear away, can not splash everywhere and lead to equipment trouble.

In the embodiment, the top of the upper dust hood 7 is communicated with the upper dust-removing connecting pipe 6 by adopting an updraft type, and one side of the lower dust hood 8 is communicated with the lower dust-removing connecting pipe 9 by adopting a side draft type. The side suction type dust removal device has the advantages that the space of the lower roller is saved, automatic dust removal is realized in the lower dust removal cover 8, manual intervention is reduced, and the production efficiency is improved. The upper dust hood 7 is fixedly connected with a fixing frame 31 of the upper brush roll 3 and moves along with the upper brush roll 3; the lower dust hood 8 is fixedly connected with a fixing frame of the lower brush roll 4 and moves along with the lower brush roll 4. So set up and make the dust excluding hood and the distance of brush roll unchangeable all the time, cavity pressure keeps unanimous, and dust removal effect is better. This embodiment all sets up the dust excluding hood in the outside of last lower roll, and external dust removal is taken over simultaneously, makes the inside negative pressure that keeps of dust excluding hood, can in time siphon away the cinder that removes, need not the manual work and clears up the dish, has reduced manual intervention, improves production efficiency.

In this embodiment, the upper brush roll 3 and the lower brush roll 4 are both connected with the driving mechanism 11 and driven by the driving mechanism 11 to rotate, and the rotating directions of the upper brush roll 3 and the lower brush roll 4 are opposite. The driving mechanism 11 comprises a motor 112, and the motor 112 is connected with the brush roller through a connecting piece 36 by a connecting rod 111. Along the moving direction of the steel belt, two sides of the brush roll device are respectively provided with a carrier roller 12 which is supported by a carrier roller frame 13, and the carrier rollers 12 are provided with intermittent rollers. The frame 2 is mounted on the base 10, and the motor 112 is mounted on the motor base 114 through the motor bracket 113.

When the device of the embodiment works, the steps are as follows:

1) when the head of the strip steel is about to enter the brush roll device, the upper and lower speed reducing motors drive the brush roll to rotate, the rotating direction is opposite to the running direction of the strip steel, meanwhile, the upper roll cylinder 1 is pressed down to reach a specified position, and the lower roll cylinder 5 is lifted to reach a specified position;

2) the upper dust removing cover and the lower dust removing cover are lifted up and down similarly, and the dust removing system works to start dust removing work;

3) strip steel enters the brush roll device, the upper brush roll 3 starts to remove iron oxide scales on the upper surface of the strip steel, and the lower brush roll 4 starts to remove iron oxide scales on the lower surface of the strip steel;

4) when one section of strip steel is finished, the upper and lower speed reducing motors stop acting, the brush rolls stop rotating, the upper and lower roller cylinders return to the initial positions, the upper and lower brush rolls return to the initial positions, and the dust removal system stops dust removal work and waits for the next section of strip steel.

This embodiment utilizes two brush rolls of cylinder drive to reciprocate, and the back that wearing and tearing appear in the brush hair on brush 35 in time adjusts the brush roll position, guarantees that brush hair and belted steel area of contact be the best, can not appear the problem that iron scale got rid of the effect reduction, has promoted brush roll life, has improved production efficiency.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.

Claims

1. The utility model provides a brush roll device of dust pelletizing system removal iron scale is sealed in area, includes frame (2), its characterized in that: the brush roller device also comprises an upper brush roller (3) and a lower brush roller (4), wherein the two brush rollers are arranged along the vertical direction of the rack (2); an upper dust hood (7) is arranged on the outer side of the upper brush roll (3), and the coverage area of the upper dust hood (7) is larger than the axial sectional area of the upper brush roll (3); a lower dust hood (8) is arranged on the outer side of the lower brush roll (4), and the coverage area of the lower dust hood (8) is larger than the axial sectional area of the lower brush roll (4); the interior of the upper dust hood (7) and the interior of the lower dust hood (8) are negative pressure.

2. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 1, wherein: the upper brush roller (3) comprises a roller body (34) and a brush (35), the roller body (34) is installed on the rack (2) through a fixed frame (31), and the brush (35) is wrapped on the periphery of the roller body (34); the structure of the lower brush roller (4) is the same as that of the upper brush roller (3).

3. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 2, wherein: the top of the upper dust hood (7) is communicated with the upper dust-removing connecting pipe (6), and one side of the lower dust hood (8) is communicated with the lower dust-removing connecting pipe (9).

4. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 3, wherein: the fixing frame (31) of the upper brush roll (3) is connected with the upper roll cylinder (1) and driven by the upper roll cylinder (1) to move; the fixing frame of the lower brush roll (4) is connected with the lower roll cylinder (5) and is driven by the lower roll cylinder (5) to move.

5. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 4, wherein: the upper dust hood (7) is fixedly connected with a fixing frame (31) of the upper brush roll (3) and moves along with the upper brush roll (3); the lower dust hood (8) is fixedly connected with a fixing frame of the lower brush roll (4) and moves along with the lower brush roll (4).

6. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 5, wherein: baffles (33) are arranged on the periphery of the upper brush roll (3) in the length direction; the periphery of the lower brush roll (4) in the length direction is also provided with a baffle.

7. The brush roll device with the closed dedusting system for removing the iron oxide scale as claimed in claim 6, wherein: the upper brush roll (3) and the lower brush roll (4) are connected with the driving mechanism (11) and driven by the driving mechanism (11) to rotate, and the rotating directions of the upper brush roll (3) and the lower brush roll (4) are opposite.

8. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 7, wherein: the driving mechanism (11) comprises a motor (112), and the motor (112) is connected with the brush roller through a connecting piece (36) through a connecting rod (111).

9. The brush roll device with the closed dust removal system for removing the iron oxide scale as claimed in claim 8, wherein: along the moving direction of the steel belt, two sides of the brush roll device are respectively provided with a carrier roller (12) which is supported by a carrier roller frame (13).

10. The brush roll device with the closed dust removal system for removing the iron oxide scale, as claimed in claim 8 or 9, wherein: the frame (2) is arranged on the base (10), and the motor (112) is arranged on the motor base (114) through the motor bracket (113); a bearing (32) is arranged between the roller body (34) and the fixed frame (31).