CN211660642U - Copper pipe outer wall cleaning device - Google Patents
Copper pipe outer wall cleaning device Download PDFInfo
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- CN211660642U CN211660642U CN201922480057.7U CN201922480057U CN211660642U CN 211660642 U CN211660642 U CN 211660642U CN 201922480057 U CN201922480057 U CN 201922480057U CN 211660642 U CN211660642 U CN 211660642U
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Abstract
A copper pipe outer wall cleaning device relates to the technical field of copper pipe processing, and adopts the technical scheme that the device comprises a base, wherein an air cavity is arranged on the base, the air cavity divides the base into an outer ring and an inner ring, the top surface of the outer ring is fixedly connected with a cover plate, and a sealing ring is connected between the cover plate and the outer ring; the centers of the cover plate and the inner ring are provided with conical through holes with large upper parts and small lower parts; the side surface of the through hole of the inner ring is in an inwards concave arc shape; a convex ring is arranged on one side, close to the outer ring, of the top surface of the inner ring, and the convex ring is in clearance fit with the cover plate; the upper surface of the inner ring is provided with a protective layer, and the height of the protective layer is not more than that of the convex ring; a plurality of air inlets are uniformly formed in the side wall of the outer ring and communicated with the air cavity, and air inlets are fixedly connected with air inlet connectors. The utility model discloses can carry out thorough clearance with remaining moisture, washing liquid and the copper scraps on copper pipe surface, increase the protective layer on the inner ring surface simultaneously, produce the damage to the copper pipe when preventing careless collision.
Description
Technical Field
The utility model relates to a copper pipe processing technology field especially relates to a copper pipe outer wall cleaning device.
Background
Before a horizontal continuous tube blank is rolled, an outer wall cleaning machine is needed to remove defects such as oxide skin on the surface of the copper tube, so that waste products such as breaking and sawtooth injury caused by the defects are avoided during subsequent stretching, and meanwhile, the surface of the copper tube is subjected to bright treatment.
After the copper pipe is treated by the outer wall cleaning machine, moisture, oxide skin cleaning liquid and a small amount of copper scraps remain on the copper pipe. In the prior art, a rubber ring is arranged at the outlet of an outer wall cleaning machine, foreign matters on the outer wall of a copper pipe are scraped through physical contact, but the cleaning of water and oxide skin cleaning liquid is not thorough, and subsequent procedures are required to be added for treatment; copper scraps are often clamped in the rubber ring to scratch the surface of the copper pipe.
SUMMERY OF THE UTILITY MODEL
To the incomplete problem of copper pipe outer wall foreign matter clearance among the prior art scheme, the utility model provides a copper pipe outer wall cleaning device.
The utility model provides a following technical scheme: a cleaning device for the outer wall of a copper pipe comprises a base, wherein the base is provided with an air cavity, the base is divided into an outer ring and an inner ring by the air cavity, the top surface of the outer ring is fixedly connected with a cover plate, and a sealing ring is connected between the cover plate and the outer ring; the centers of the cover plate and the inner ring are provided with conical through holes with large upper parts and small lower parts; the side surface of the through hole of the inner ring is in an inwards concave arc shape; a convex ring is arranged on one side, close to the outer ring, of the top surface of the inner ring, and the convex ring is in clearance fit with the cover plate; the upper surface of the inner ring is provided with a protective layer, and the height of the protective layer is not more than that of the convex ring; a plurality of air inlets are uniformly formed in the side wall of the outer ring and communicated with the air cavity, and the air inlets are connected with air inlet connectors.
Preferably, the clearance between the convex ring and the cover plate is 0.03-0.1 mm.
Preferably, a plurality of partition plates are uniformly arranged in the air cavity, the partition plates are positioned in the central positions of two adjacent air inlets, and the number of the partition plates and the number of the air inlets are equal and at least 2.
Preferably, the minimum diameter of the through hole of the cover plate is larger than the minimum diameter of the through hole of the inner ring.
Preferably, a plurality of mounting holes are uniformly formed in the bottom of the outer ring, and threads are arranged on the inner wall of each mounting hole.
Preferably, the bottom surface of the inner ring is provided with a circular groove, and the side surface of the groove is provided with threads.
Preferably, the intake joint is connected to an intake manifold by a tee or a straight joint.
The utility model has the advantages as follows: high-pressure gas is poured into the gas cavity through the gas inlet and is sprayed out through a gap between the cover plate and the upper convex ring of the inner ring, according to the wall attachment effect of fluid, the gas flow is rushed out at a high speed along the arc-shaped surface of the inner ring to form high-speed annular gas flow, a large amount of air around the gas flow is sucked and driven to be sprayed out backwards along with the high-speed gas flow, the flow and the strength of the gas flow are increased, a conical impact gas flow is formed to impact the outer surface of the copper pipe, and moisture, cleaning fluid and copper scraps on the outer surface of the copper; the protective layer can prevent the copper pipe from mistakenly touching the inner ring to cause damage.
Drawings
Fig. 1 is a three-dimensional schematic diagram of an embodiment of the present invention.
Fig. 2 is a cross-sectional view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view of another embodiment of the present invention.
Fig. 4 is a top view of an embodiment of the base of the present invention.
Fig. 5 is a top view of an embodiment of the present invention.
Fig. 6 is a top view of another embodiment of the present invention.
Fig. 7 is a three-dimensional schematic diagram of another embodiment of the present invention.
Reference numerals: 1-base, 11-outer ring, 111-air inlet, 112-air inlet joint, 113-mounting hole, 12-inner ring, 121-convex ring, 122-protective layer, 123-groove, 2-air cavity, 21-clapboard, 3-cover plate, 4-sealing ring, 5-air inlet manifold, 51-tee joint and 52-straight joint.
Detailed Description
The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model provides a copper pipe outer wall cleaning device as shown in figures 1 and 2, which comprises a base 1, wherein the base 1 is provided with an air cavity 2, the base 1 is divided into an outer ring 11 and an inner ring 12 by the air cavity 2, the top surface of the outer ring 11 is fixedly connected with a cover plate 3, and a sealing ring 4 is connected between the cover plate 3 and the outer ring 11; the centers of the cover plate 3 and the inner ring 12 are both provided with conical through holes with large upper parts and small lower parts; the side surface of the through hole of the inner ring 12 is in an inwards concave arc shape; a convex ring 121 is arranged on one side of the top surface of the inner ring 12 close to the outer ring 11, and the convex ring 121 is in clearance fit with the cover plate 3; a protective layer 122 is arranged on the upper surface of the inner ring 12, and the height of the protective layer 122 is not more than that of the convex ring 121; a plurality of air inlets 111 are uniformly arranged on the side wall of the outer ring 11, the air inlets 111 are communicated with the air cavity 2, and the air inlets 111 are fixedly connected with air inlet connectors 112.
The utility model discloses the during operation has the copper pipe of foreign matter on the surface to wear out from the through-hole of central authorities, and high-pressure gas pours into the air cavity into through the air inlet, clearance between the protruding circle on apron and the inner ring constitutes the gas outlet and has encircleed the whole surface of copper pipe. The air cavity is communicated with the gap, and high-pressure air is sprayed out from the gap, so that the flow speed is further improved. According to the wall attachment effect of fluid, the airflow clings to the arc surface of the inner ring to be flushed out at a high speed, the high-speed airflow has high flow speed and low pressure, but the air close to one side of the center of the through hole is normal atmospheric pressure, a large amount of air around the through hole is sprayed backwards along with the high-speed airflow under the action of air pressure difference, the flow and the strength of the airflow are greatly increased, a conical airflow impacts the outer surface of the copper pipe, the moisture, cleaning fluid and copper scraps on the outer surface of the copper pipe are effectively removed through strong shearing force, and the foreign matters are blown into a waste trough at the bottom of the outer wall cleaning machine.
The coanda effect is also known as the coanda effect, and fluid has a tendency to flow away from the original direction of flow and instead follow the surface of the object. When there is surface friction between the fluid and the surface of the object over which it flows, the fluid will follow the surface of the object as long as the ratio of the thickness of the fluid to the radius of the curved wall is less than 0.5. The utility model discloses in, the ratio of the height in clearance and the radius of inner ring surface arc surface is far less than 0.5, satisfies the condition of attaching the wall effect completely.
The base and the cover plate can be made of stainless steel, and the cover plate can be fixedly connected to the base through a plurality of fastening bolts, so that the safety and the reliability are realized. The protective layer can be made of styrene butadiene rubber, can be adhered to the surface of the inner ring and the side face of the convex ring which are roughened by polishing by adopting a VHB double-sided adhesive tape, has strong adhesion and good endurance, and can prevent the copper pipe from being damaged due to mistaken contact with the inner ring. The sealing ring can be a butyl rubber sealing ring, has good air tightness, strengthens the connection between the cover plate and the base, and prevents high-pressure gas from leaking from the joint.
The number of the air inlets and the radius of the copper pipe are positively correlated, and the number of the air inlets is not less than two. The larger the radius of the copper pipe is, the more the number of the air inlets is required to be increased in order to ensure that the air pressure in the air cavity per unit length does not fluctuate greatly. The air inlet joint can be made of stainless steel, and high-pressure air is conveniently introduced.
Preferably, the gap between the convex ring 121 and the cover plate 3 is 0.03-0.1 mm.
The clearance between the convex ring and the cover plate influences the speed of high-pressure airflow ejection. If the gap is too large, the air pressure is reduced too fast, the air flow speed is low, and sufficient impact force cannot be achieved; if the clearance is too small, the machining precision is improved, and the cost is increased.
As shown in fig. 4, a plurality of partition plates 21 are uniformly arranged in the air cavity 2, the partition plates 21 are located at the central positions of two adjacent air inlets 111, and the number of the partition plates 21 and the number of the air inlets 111 are equal and at least 2.
The air cavity is divided into a plurality of equal parts by the partition board, so that high-pressure air entering through different air inlets does not influence each other, turbulence is reduced, and the strength of air pressure is ensured. As shown in fig. 5, a preferred embodiment of the present invention has 3 air inlets, and 3 partition plates should be disposed in the air cavity; as shown in fig. 6, a preferred embodiment of the present invention has 2 air inlets, and 2 partition plates should be disposed in the air cavity.
As shown in fig. 2 and 3, the minimum diameter of the through hole of the cover plate 3 is larger than the minimum diameter of the through hole of the inner ring 12.
The minimum diameter of the through hole of the cover plate is larger than that of the through hole of the inner ring, so that the cover plate does not block the surrounding air, and the flow of the airflow is increased.
As shown in fig. 3, a plurality of mounting holes 113 are uniformly formed in the bottom of the outer ring 11, and threads are formed on the inner walls of the mounting holes 113.
The utility model discloses an in the embodiment, can use fastening bolt to penetrate outer wall cleaning machine's lateral wall and mounting hole, fix cleaning device on the lateral wall near outer wall cleaning machine export.
As shown in fig. 2, the bottom surface of the inner ring 12 is provided with a circular groove 123, and the side surface of the groove 123 is provided with threads.
The utility model discloses an in another embodiment, can utilize inner ring recess and screw thread to establish the cleaning device cover in the export of outer wall cleaning machine.
As shown in fig. 7, the intake joint 112 is connected to the intake manifold 5 by a tee joint 51 or a straight joint 52.
The utility model discloses an embodiment, on air inlet joint was connected to an air intake manifold through tee bend or straight joint, it is simple and clear, easy to assemble.
The above is an embodiment of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (7)
1. The utility model provides a copper pipe outer wall cleaning device which characterized in that: the sealing device comprises a base (1), wherein the base (1) is provided with an air cavity (2), the base (1) is divided into an outer ring (11) and an inner ring (12) by the air cavity (2), the top surface of the outer ring (11) is fixedly connected with a cover plate (3), and a sealing ring (4) is connected between the cover plate (3) and the outer ring (11); conical through holes with large upper parts and small lower parts are formed in the centers of the cover plate (3) and the inner ring (12); the side surface of the through hole of the inner ring (12) is in an inwards concave arc shape; a convex ring (121) is arranged on one side, close to the outer ring (11), of the top surface of the inner ring (12), and the convex ring (121) is in clearance fit with the cover plate (3); a protective layer (122) is arranged on the upper surface of the inner ring (12), and the height of the protective layer (122) is not more than that of the convex ring (121); the air inlet structure is characterized in that a plurality of air inlets (111) are uniformly formed in the side wall of the outer ring (11), the air inlets (111) are communicated with the air cavity (2), and the air inlets (111) are fixedly connected with air inlet connectors (112).
2. A copper tube outer wall cleaning device as claimed in claim 1, wherein: the clearance between the convex ring (121) and the cover plate (3) is 0.03-0.1 mm.
3. A copper tube outer wall cleaning device as claimed in claim 2, wherein: a plurality of partition plates (21) are uniformly arranged in the air cavity (2), the partition plates (21) are positioned in the central positions of two adjacent air inlets (111), and the number of the partition plates (21) and the number of the air inlets (111) are equal and at least 2.
4. A copper tube outer wall cleaning device as claimed in claim 2, wherein: the minimum diameter of the through hole of the cover plate (3) is larger than that of the through hole of the inner ring (12).
5. A copper tube outer wall cleaning device as claimed in claim 2, wherein: a plurality of mounting holes (113) are uniformly formed in the bottom of the outer ring (11), and threads are arranged on the inner walls of the mounting holes (113).
6. A copper tube outer wall cleaning device as claimed in claim 2, wherein: the bottom surface of the inner ring (12) is provided with a circular groove (123), and the side surface of the groove (123) is provided with threads.
7. A copper tube outer wall cleaning device as claimed in claim 2, wherein: the air inlet joint (112) is connected to an air inlet manifold (5) through a tee joint (51) or a straight joint (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480057.7U CN211660642U (en) | 2019-12-31 | 2019-12-31 | Copper pipe outer wall cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922480057.7U CN211660642U (en) | 2019-12-31 | 2019-12-31 | Copper pipe outer wall cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211660642U true CN211660642U (en) | 2020-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922480057.7U Active CN211660642U (en) | 2019-12-31 | 2019-12-31 | Copper pipe outer wall cleaning device |
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| CN (1) | CN211660642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192501A (en) * | 2021-12-10 | 2022-03-18 | 中国航天空气动力技术研究院 | Pneumatic dust keeper that removes of pneumatic conveying pipeline observation window |
-
2019
- 2019-12-31 CN CN201922480057.7U patent/CN211660642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114192501A (en) * | 2021-12-10 | 2022-03-18 | 中国航天空气动力技术研究院 | Pneumatic dust keeper that removes of pneumatic conveying pipeline observation window |
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| TR01 | Transfer of patent right |
Effective date of registration: 20231008 Address after: 404100 Gaofeng Garden (Wanzhou Economic Development Zone), Wanzhou District, Chongqing Patentee after: Zhongke Jinlong Metal Material Development Co.,Ltd. Patentee after: Chongqing Pinghu Jinlong Precision Copper Pipe Co.,Ltd. Address before: 404100 Gaofeng Park, Wanzhou economic and Technological Development Zone, Chongqing Patentee before: Chongqing Pinghu Jinlong Precision Copper Pipe Co.,Ltd. |