Device for collecting dust on inner surface of steel pipe

Abstract

The utility model discloses a device for collecting dust on the inner surface of a steel pipe, and relates to the technical field of steel pipe production, the device comprises a fixed sleeve, a movable sleeve and at least one telescopic device, the first end of the fixed sleeve is used for detachably and fixedly connecting a filtering device; the movable sleeve is used for being arranged on the inner side of the second end of the fixed sleeve in a sealed and sleeved mode, and the movable sleeve is expected to be slidably connected with the fixed sleeve and can keep the position after sliding. One end of the telescopic device is fixedly connected with the fixed sleeve, the other end of the telescopic device is fixedly connected with the movable sleeve, the telescopic device can drive the movable sleeve to move in the direction away from the fixed sleeve so as to surround one end of the steel pipe moving to the position of the stock stop on the rack, the structure is simple, and the collecting effect is effectively improved when dust on the inner surface of the steel pipe is cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe production, in particular to a device for collecting dust on the inner surface of a steel pipe. Background Art

[0002] At present, all pre-finishing areas of steel pipe production lines are equipped with steel pipe soot blowing equipment. If the dust on the inner wall of the steel pipe is not cleaned effectively, it will affect the quality inspection of the seamless steel pipe in the subsequent process, and at the same time cause the product to fail to meet the customer's demand for steel pipe quality. At the same time, if the dust cleaned by the cleaning spray cannot be effectively collected, it will seriously affect the on-site environment, causing a high dust content in the on-site air, affecting the physical and mental health of employees. Utility Model Content

[0003] The utility model aims to provide a device for collecting dust on the inner surface of a steel pipe to solve the problems existing in the above-mentioned prior art. It has a simple structure and effectively improves the collection effect of dust on the inner surface of the steel pipe when cleaning.

[0004] To achieve the above purpose, the utility model provides the following solutions:

[0005] The utility model provides a device for collecting dust on the inner surface of a steel pipe, comprising: a fixed sleeve, a movable sleeve and at least one telescopic device, wherein the first end of the fixed sleeve is used for fixing and connecting with a filtering device in a detachable manner; the movable sleeve is used for sealing and is arranged on the inner side of the second end of the fixed sleeve, and it is expected that the movable sleeve is slidably connected with the fixed sleeve and can maintain the position after sliding; one end of the telescopic device is fixedly connected with the fixed sleeve, and the other end is fixedly connected with the movable sleeve, and the telescopic device can drive the movable sleeve to move in a direction away from the fixed sleeve to surround one end of the steel pipe moved to the material stopper on the stand.

[0006] Preferably, it also includes a first flange and a second flange, the first flange is fixedly connected to the second end of the fixed sleeve, the second flange is sleeved and fixed on the outside of the movable sleeve, one end of the telescopic device is fixedly connected to the first flange, and the other end is fixedly connected to the second flange.

[0007] Preferably, the telescopic devices are evenly arranged in the circumferential direction of the first flange.

[0008] Preferably, a sealing device is further included, wherein the sealing device is sleeved inside the fixed sleeve to seal the space between the fixed sleeve and the movable sleeve.

[0009] Preferably, the sealing device includes a first sealing ring and a second sealing ring, the first sealing ring is arranged in the second end of the fixed sleeve to seal one side of the space between the fixed sleeve and the movable sleeve, and the second sealing ring is arranged in the middle of the fixed sleeve to seal the other side of the space between the fixed sleeve and the movable sleeve.

[0010] Preferably, it further comprises a guiding device, wherein the guiding device is fixedly arranged on the outer side of the movable sleeve to guide the moving direction of the movable sleeve.

[0011] Preferably, the guide device includes a first guide ring and a second guide ring, the first guide ring is sleeved and fixed on one end of the movable sleeve extending into the fixed sleeve, and the second guide ring is arranged in the middle of the movable sleeve.

[0012] Preferably, it further comprises a third flange, wherein the third flange is fixedly connected to the first end of the fixing sleeve.

[0013] Preferably, the axis center line of the fixed sleeve, the axis center line of the movable sleeve and the axis center line of the steel pipe at the material stopper on the stand are collinear.

[0014] Compared with the prior art, the utility model has achieved the following technical effects:

[0015] The utility model provides a device for collecting dust on the inner surface of a steel pipe, which is connected to a filtering device via a fixed sleeve, and a telescopic device drives a movable sleeve to move to surround one end of the steel pipe, and air is blown to the other end of the steel pipe via an air compression device, so that dust on the inner wall of the steel pipe can be collected by the filtering device after passing through the movable sleeve and the fixed sleeve from the steel pipe. The utility model has a simple structure and is easy to use. The connection with the steel pipe and the filtering device can be completed by driving the movable sleeve to move via the telescopic device, which effectively improves the collection effect of dust on the inner surface of the steel pipe during cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 A schematic diagram of the structure of a device for collecting dust on the inner surface of a steel pipe provided by the utility model;

[0018] In the figure: 1. fixed sleeve; 2. third flange; 3. movable sleeve; 4. second sealing ring; 5. first guide ring; 6. second guide ring; 7. first sealing ring; 8. first flange; 9. telescopic device; 10. second flange; 12. steel pipe; 13. material stopper; 14. stand. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The utility model aims to provide a device for collecting dust on the inner surface of a steel pipe to solve the problems existing in the above-mentioned prior art. It has a simple structure and effectively improves the collection effect of dust on the inner surface of the steel pipe when cleaning.

[0021] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0022] Embodiment 1

[0023] This embodiment provides a device for collecting dust on the inner surface of a steel pipe, such as Figure 1 As shown, it includes: a fixed sleeve 1, a movable sleeve 3 and at least one telescopic device 9, the first end of the fixed sleeve 1 is used for the filter device to be detachably fixedly connected; the movable sleeve 3 is used for sealing and is arranged on the inner side of the second end of the fixed sleeve, and it is expected that the movable sleeve 3 is slidably connected to the fixed sleeve 1 and can maintain the position after sliding; one end of the telescopic device 9 is fixedly connected to the fixed sleeve 1, and the other end is fixedly connected to the movable sleeve 3, and the telescopic device 9 can drive the movable sleeve 3 to move in a direction away from the fixed sleeve 1 to move the steel pipe at the material stopper 13 on the stand 14. The steel pipe 12 is surrounded by one end thereof and connected to the filtering device through the fixed sleeve 1. The telescopic device 9 drives the movable sleeve 3 to move to surround one end of the steel pipe 12, and the other end of the steel pipe 12 is blown by the air compression device, so that the dust on the inner wall of the steel pipe 12 can be collected by the filtering device after passing through the movable sleeve 3 and the fixed sleeve 1 from the steel pipe 12. The structure is simple and easy to use. The connection with the steel pipe 12 and the filtering device can be completed by driving the movable sleeve 3 to move through the telescopic device 9, which effectively improves the collection effect of the dust on the inner surface of the steel pipe 12 during cleaning.

[0024] In a preferred embodiment, the device for collecting dust on the inner surface of the steel pipe also includes a first flange 8 and a second flange 10. The first flange 8 is fixedly connected to the second end of the fixed sleeve 1, and the second flange 10 is sleeved and fixed on the outside of the movable sleeve 3. One end of the telescopic device 9 is fixedly connected to the first flange 8, and the other end is fixedly connected to the second flange 10. The structure is simple and easy to use.

[0025] In a preferred embodiment, the telescopic devices 9 are evenly arranged in the circumferential direction of the first flange 8 to ensure the stability of the movable sleeve 3 during the movement.

[0026] In a preferred embodiment, the device for collecting dust on the inner surface of the steel pipe also includes a sealing device, which is sleeved in the fixed sleeve 1 to seal the space between the fixed sleeve 1 and the movable sleeve 3 to prevent dust from entering between the movable sleeve 3 and the fixed sleeve 1 and affecting the extension and retraction of the movable sleeve 3.

[0027] In a preferred embodiment, the sealing device includes a first sealing ring 7 and a second sealing ring 4. The first sealing ring 7 is arranged in the second end of the fixed sleeve 1 to seal one side of the space between the fixed sleeve 1 and the movable sleeve 3. The second sealing ring 4 is arranged in the middle of the fixed sleeve 1 to seal the other side of the space between the fixed sleeve 1 and the movable sleeve 3. The structure is simple.

[0028] In a preferred embodiment, the device for collecting dust on the inner surface of the steel pipe also includes a guide device, which is fixedly arranged on the outer side of the movable sleeve 3 to guide the moving direction of the movable sleeve 3 to ensure that the movable sleeve 3 maintains the stability of the moving direction during the movement.

[0029] In a preferred embodiment, the guide device includes a first guide ring 5 and a second guide ring 6. The first guide ring 5 is sleeved and fixed on one end of the movable sleeve 3 extending into the fixed sleeve 1, and the second guide ring 6 is arranged in the middle of the movable sleeve, with a simple structure.

[0030] In a preferred embodiment, the device for collecting dust on the inner surface of a steel pipe further includes a third flange 2, which is fixedly connected to the first end of the fixed sleeve 1 to facilitate quick connection with the filtering device.

[0031] In a preferred embodiment, the axis center line of the fixed sleeve 1, the axis center line of the movable sleeve and the axis center line of the steel pipe 12 at the material stopper 13 on the stand 14 are collinear.

[0032] Embodiment 2

[0033] This embodiment also provides a device for collecting dust on the inner surface of a steel pipe according to the first embodiment, which is characterized by comprising the following steps:

[0034] Steel pipe 12 Figure 1 The middle stand 14 rolls to the material stopper 13, and the telescopic device 9 extends, driving the movable sleeve 3 to move and completely surround one end of the steel pipe 12. At this time, compressed air is blown into the inner cavity of the steel pipe 12 from the other end of the steel pipe 12, and the compressed air mixed with the dust on the inner wall of the steel pipe 12 is blown out from the steel pipe 12, and enters the movable sleeve 3 at the same time, and then reaches the fixed sleeve 1 from the movable sleeve 3, and then is filtered and collected. A sealing device and a guide device are installed between the movable sleeve 3 and the fixed sleeve 1 to prevent dust from entering between the movable sleeve 3 and the fixed sleeve 1 and affecting the telescopic movement of the movable sleeve 3. After the dust on the inner wall of the steel pipe 12 is cleaned, the telescopic mechanism retracts, the material stopper 13 opens, the steel pipe 12 reaches the next process, the material stopper 13 is reset, and the next steel pipe 12 is cleaned. This cycle is repeated to achieve thorough cleaning and collection of dust on the inner wall of the steel pipe 12.

[0035] During operation, the equipment relies on the telescopic device 9 to telescope, completely covering the steel pipe 12 on the production line that needs to be cleaned of dust, eliminating the dust dispersion during the dust cleaning of the steel pipe 12, improving the air quality on site, reducing the impact of dust on the respiratory system of employees, improving employee satisfaction, and benefiting the improvement of product competitiveness in the market. The equipment has significant green, environmentally friendly and high-efficiency characteristics.

[0036] The present invention uses specific examples to illustrate the principle and implementation of the present invention. The above examples are only used to help understand the method and core idea of ​​the present invention. At the same time, for those skilled in the art, according to the idea of ​​the present invention, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be understood as limiting the present invention.

Claims

1. A device for collecting dust on the inner surface of a steel pipe, characterized in that: include: A fixing sleeve, a first end of which is used for detachably fixing and connecting the filter device; a movable sleeve, the movable sleeve being used for sealing and sleeved on the inner side of the second end of the fixed sleeve, and it is expected that the movable sleeve is slidably connected with the fixed sleeve and can maintain the position after sliding; and At least one telescopic device, one end of which is fixedly connected to the fixed sleeve, and the other end of which is fixedly connected to the movable sleeve, and the telescopic device can drive the movable sleeve to move away from the fixed sleeve to surround one end of the steel pipe moved to the material stopper on the platform.

2. The device for collecting dust on the inner surface of a steel pipe according to claim 1, characterized in that: It also includes a first flange and a second flange, the first flange is fixedly connected to the second end of the fixed sleeve, the second flange is sleeved and fixed on the outside of the movable sleeve, one end of the telescopic device is fixedly connected to the first flange, and the other end is fixedly connected to the second flange.

3. The device for collecting dust on the inner surface of a steel pipe according to claim 2, characterized in that: The telescopic devices are evenly arranged in the circumferential direction of the first flange.

4. The device for collecting dust on the inner surface of a steel pipe according to claim 1, characterized in that: It also includes a sealing device, which is sleeved in the fixed sleeve to seal the space between the fixed sleeve and the movable sleeve.

5. The device for collecting dust on the inner surface of a steel pipe according to claim 4, characterized in that: The sealing device includes a first sealing ring and a second sealing ring. The first sealing ring is arranged in the second end of the fixed sleeve to seal one side of the space between the fixed sleeve and the movable sleeve, and the second sealing ring is arranged in the middle of the fixed sleeve to seal the other side of the space between the fixed sleeve and the movable sleeve.

6. The device for collecting dust on the inner surface of a steel pipe according to claim 1, characterized in that: It also includes a guiding device, which is fixedly arranged on the outer side of the movable sleeve to guide the moving direction of the movable sleeve.

7. The device for collecting dust on the inner surface of a steel pipe according to claim 6, characterized in that: The guide device comprises a first guide ring and a second guide ring. The first guide ring is sleeved and fixed on one end of the movable sleeve extending into the fixed sleeve, and the second guide ring is arranged in the middle of the movable sleeve.

8. The device for collecting dust on the inner surface of a steel pipe according to claim 1, characterized in that: It also includes a third flange, which is fixedly connected to the first end of the fixing sleeve.

9. The device for collecting dust on the inner surface of a steel pipe according to claim 1, characterized in that: The axis center line of the fixed sleeve, the axis center line of the movable sleeve and the axis center line of the steel pipe at the material stopper on the stand are collinear.

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