CN212976308U - Cooling transition channel of laying head - Google Patents

Abstract

The utility model relates to a cooling transition channel of a laying head, wherein a cooling sleeve is arranged on the channel along the advancing direction of finished wire rods, cooling liquid is arranged in the cooling sleeve, the cooling sleeve comprises arc-shaped pipe components, and the arc-shaped pipe components are communicated with each other; and is sealed from the outside. The wire rod can be ensured to smoothly pass through the arc-shaped channel, and the heating phenomenon caused by friction between the wire rod and the inner wall is overcome.

Description

Cooling transition channel of laying head

Technical Field

The utility model belongs to the technical field of high-speed wire rod cooling equipment, a laying head cooling transition passageway is related to.

Background

The laying head is an important device of a high-speed wire rod production line, is positioned at the downstream of a high-speed wire rod finishing mill group, and has the main function of bending finished wire rods into rings so as to facilitate post-rolling treatment and transportation. Because the laying head is installed obliquely, an arc-shaped channel is required to be arranged in front of the laying head for transition. The finished wire with high speed and high temperature is quickly abraded by causing the inner wall of the channel to generate heat through friction in the arc-shaped channel, and therefore effective cooling measures must be taken to reduce abrasion.

The prior art method for reducing the temperature of the channel comprises the following steps:

firstly, the method of the gas mist cooling is to blow water-containing gas mist into a channel by forming a small hole in the middle of the channel, but the gas mist cooling has the problems of high noise and poor cooling effect;

secondly, water spraying cooling, wherein a water spraying pipe is arranged outside the channel; however, the water spraying pipe also has the problems of poor equipment environment and poor cooling effect.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a laying head cooling transition passageway can ensure that the wire rod steadily passes through smoothly in the arc passageway, overcomes the phenomenon of generating heat because the friction causes between wire rod and the inner wall.

The above technical purpose of the present invention can be achieved by the following technical solutions: a cooling transition channel of a laying head is provided with a cooling sleeve along the advancing direction of finished wire rods, cooling liquid is arranged in the cooling sleeve, the cooling sleeve comprises arc-shaped pipe components, and the arc-shaped pipe components are communicated with each other; and is sealed from the outside.

In one embodiment, the channel is internally provided with an inner tube, and the cooling sleeve surrounds the outer tube.

In one embodiment, the cooling sleeve and the inner pipe are equal in length, the same-direction ends of the cooling sleeve and the inner pipe are assembled in a small gap mode, and the cooling sleeve is provided with a sealing groove for installing an O-shaped sealing ring.

In one embodiment, a water inlet and a water outlet are respectively arranged at two ends of the cooling sleeve, and are respectively connected with a quick connector in a sealing manner.

In one embodiment, the passageway is arcuate with one end aligned with the angle of inclination of the laying head, the water inlet being located at the lower horizontal end of the passageway and the water outlet being located at the higher horizontal end of the passageway.

In one embodiment, the arc-shaped pipe assemblies are sealed through a plurality of high-strength bolt connections.

In one embodiment, the joints between the arc-shaped pipe assemblies are provided with waterproof adhesive seals.

In one embodiment, an inlet guide is provided at one end of the channel.

In one embodiment, the inlet guide is of a trumpet structure.

In one embodiment, the inlet guide is in communication with the inner tube and is fixedly attached thereto by a fastening screw.

To sum up, the utility model discloses following beneficial effect has:

firstly, the inner pipe is cooled by circulating water through an external cooling sleeve, so that the inner pipe is prevented from generating high temperature;

secondly, cooling water flows in the cooling sleeve, the water flow direction is low in and high out, and the cooling water is ensured to slowly rise and be fully utilized;

thirdly, the air tightness of the sleeve is ensured by fixing and sealing the sleeve components in a bolt and sealing glue pasting mode, and leakage is prevented;

and fourthly, the inner pipe and the cooling sleeve are assembled by adopting small gaps, so that the requirement on the space is reduced, and the stability of the equipment is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

In the figure: an inlet guide-1, an inner pipe-2, a cooling sleeve-3, a water inlet-4, a water outlet-5, a quick connector I-6, a quick connector II-7, a high-strength bolt-8, a circular rubber strip sealing ring I-9, a circular rubber strip sealing ring II-10 and a fastening screw-11.

Detailed Description

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

It should be noted that all the directional terms such as "upper" and "lower" referred to herein are used with respect to the view of the drawings, and are only for convenience of description, and should not be construed as limiting the technical solution.

Referring to fig. 1, a cooling transition channel of a laying head comprises an inner tube 2 and a cooling sleeve 3 arranged outside the inner tube 2, wherein the cooling sleeve 3 is a tubular structure formed by connecting two semicircular cooling sleeve assemblies through a plurality of high-strength bolts 8, a gap between the cooling sleeve assemblies is sealed by waterproof glue, the radians of the cooling sleeve 3 and the inner tube 2 are consistent, the inner diameter of the cooling sleeve 3 is 2.5-3.0mm, cooling water flows in the cooling sleeve 3, the water flow direction is low-in and high-out, the cooling effect is ensured, the head and the tail of the inner tube 2 are straight line segments, the middle of the inner tube is arc segments, the tangent line segments are tangent line directions along the arc segments, the tangent line angles are consistent with the inclination angle of the laying head, the wire rod can smoothly pass through the arc channel, the contact friction abrasion between the wire rod and the inner wall is reduced, and the distance between the joint surfaces of the cooling sleeve 3 and the two, the inlet guide 1 is of a horn-type closing-up structure, the inlet guide 1 is connected with the inner pipe 2 in an insertion mode, the inlet guide 1 is inserted into the inner pipe 2 and is firmly fixed through a fastening screw 11 on the cooling sleeve 3, finished wire rods are conveniently led in, the joint surface of the inner pipe 2 and two ends of the cooling sleeve 3 is respectively provided with a circular rubber strip sealing ring I9 and a circular rubber strip sealing ring II 10 for sealing so as to prevent the end surface leakage of cooling water, a sealing groove is processed on the cooling sleeve 3 and is used for mounting the circular rubber strip sealing ring I9 and the circular rubber strip sealing ring II 10, wearing parts are only the inner pipe 2 and the circular rubber strip sealing rings, the consumption is reduced, the maintenance cost is reduced, one end of the cooling sleeve 3 is provided with a water inlet 4, the water inlet 4 is provided with a quick connector I6, the other end of the cooling sleeve 3 is, the water inlet 4 is connected with a workshop clean circulating water system through a quick connector I6; delivery port 5 is connected with workshop clean circulating water system through quick-operation joint two 7, adopts cooling sleeve formula internal circulating water to cool off, and the cooling water fully contacts with the passageway inner tube, can ensure good cooling, conveniently overhauls simultaneously and maintains.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. The utility model provides a laying head cooling transition passageway which characterized in that: a cooling sleeve (3) is arranged in the channel along the advancing direction of the finished wire, cooling liquid is arranged in the cooling sleeve (3), the cooling sleeve (3) comprises arc-shaped pipe components, and the arc-shaped pipe components are communicated with one another; and is sealed from the outside.

2. The laying head cool down transition passage of claim 1, wherein: an inner pipe (2) is arranged in the channel, and the cooling sleeve (3) is surrounded outside the inner pipe (2).

3. The laying head cool down transition passage of claim 2, wherein: the cooling sleeve (3) is equal to the inner pipe (2) in length, small-gap assembly is adopted between the two equidirectional ends, and a sealing groove is formed in the cooling sleeve (3) to install an O-shaped sealing ring.

4. A laying head cool down transition passage as claimed in claim 1 or 2, wherein: and a water inlet (4) and a water outlet (5) are respectively arranged at two ends of the cooling sleeve (3), and are respectively and hermetically connected with a quick connector.

5. The laying head cool down transition passage of claim 4, wherein: the channel is arc-shaped, one end of the channel is consistent with the inclination angle of the laying head, the water inlet (4) is positioned at the end with low channel level, and the water outlet (5) is positioned at the end with high channel level.

6. The laying head cool down transition passage of claim 1, wherein: the arc-shaped pipe assemblies are connected through a plurality of high-strength bolts (8) to realize sealing.

7. A laying head cool down transition passage as claimed in claim 1 or 6, wherein: and the joints between the arc-shaped pipe assemblies are provided with waterproof adhesive tape seals.

8. The laying head cool down transition passage of claim 1, wherein: an inlet guide (1) is arranged at one end of the channel.

9. The laying head cool down transition passage of claim 8, wherein: the inlet guide and guard (1) is of a horn-type structure.

10. A laying head cool down transition passage according to claim 8 or 9, wherein: the inlet guide and guard (1) is communicated with the inner pipe (2), and the inlet guide and guard are fixedly connected with the inner pipe through a fastening screw (11).

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