Upper working roll water cutting plate mechanism

Abstract

The utility model relates to a water cutting plate mechanism of an upper working roll, and relates to the technical field of rolls. Which comprises a water cutting plate body, the water cutting edge of the water cutting plate body is tightly attached to an upper working roller, and is characterized in that a rubber plate is arranged on the water cutting plate body, the rubber plate extends along the water cutting plate body in the full length direction, the rubber plate is obliquely arranged to form a flow guide groove with the water cutting plate body, and the upper edge of the rubber plate is tightly attached to the upper working roller; a downward step surface is arranged on the water cutting plate body, the step surface is supported on the guide, and a sealing structure is arranged on the contact surface of the step surface and the guide. And cooling water can be further guided by arranging the rubber plate, the rubber plate can form good sealing contact with the upper working roller, and a contact gap is prevented from being generated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the cutting water board of hot rolling roller. BACKGROUND

[0002] In the process of hot rolling plate, the temperature of the roller rises fast, and it is needed to spray cooling water to cool the roller. During the process of spraying water to cool the roller, the cooling water will splash to the surface of the steel plate, resulting in temperature drop of the steel plate. Especially when rolling thin plate, the influence of the water leakage of the roller on the thin plate is more serious. Therefore, a special water cutting device is needed to block the cooling water.

[0003] The existing water cutting device forms a bottom sealed flow channel by the contact of the water cutting plate and the upper roller, and the water flows along the flow channel and flows out from both ends of the water cutting plate. The utility model patent with publication number CN 206139644 U discloses a kind of upper work roll water cutting plate assembly. Similar assembly layout is also adopted. But the existing water cutting plate device has the following problems: 1. Due to the large rolling impact force, the water cutting plate deforms after long-term use, and a gap appears between the deformed water cutting plate and the roller, and the cooling water flows out from the gap and falls on the surface of the steel plate; 2. Affected by the rolling impact, the guide deforms after long-term use, resulting in a gap between the water cutting plate and the guide due to poor fit, and part of the cooling water flows into the surface of the steel plate from the gap between the water cutting plate and the guide.

[0004] The cost of water cutting plate and guide spare parts is high, and if it is directly replaced once deformed, it will inevitably increase the cost of equipment, and the reform of guide is more difficult than that of water cutting plate. In order to solve the above problem of water falling, the water cutting plate is used as the main improved component. SUMMARY

[0005] The utility model aims at providing a kind of upper work roll water cutting plate mechanism, to solve the problem that the water cutting plate deforms, the guide deforms and causes the cooling water of upper work roll to fall on the surface of the steel plate.

[0006] The utility model discloses the technical scheme adopted to solve the above problems: a kind of upper work roll water cutting plate mechanism, including water cutting plate body, the water cutting edge of the water cutting plate body is close to upper work roll, rubber plate is provided on the water cutting plate body, the rubber plate extends along the length of water cutting plate body, the rubber plate is inclined to be arranged and upper edge is close to upper work roll;Downward step surface is provided on the water cutting plate body, the step surface is supported on guide, and the contact surface of the step surface and the guide is provided with sealing structure.

[0007] Preferably, the upper edge of the rubber plate is higher than the water cutting edge of the water cutting plate body, and the rubber plate is used to preferentially guide the cooling water.

[0008] Preferably, glue is injected into the gap between the rubber plate and the water cutting plate body to form a seal, so as to prevent the gap caused by the deformation of the rubber from causing water to fall.

[0009] Preferably, a through groove is formed on the stepped surface, extending along the entire length of the water-cutting plate body. A sealing strip is provided within the through groove to seal the gap between the stepped surface and the guide. This solves the problem of gaps arising between the deformed guide and the water-cutting plate body.

[0010] Preferably, the sealing strip is a fluororubber strip with a circular cross-section, which is resistant to high temperatures and not easily deformed.

[0011] Compared with the prior art, the advantages of this utility model are:

[0012] By adding a rubber plate, the cooling water can be further guided, and the rubber plate itself can form a better sealing contact with the upper working roller, avoiding contact gaps. Applying glue to the gap between the rubber plate and the water-cutting plate body can effectively increase the water sealing effect, avoid the adverse effects caused by slight deformation of the water-cutting plate body, and extend the service life of the water-cutting plate body.

[0013] By fully utilizing the resilience of the circular sealing strip, a soft contact is achieved between the guide and the water-cutting plate body, forming a seal at their contact surface. This compensates for the defect of water falling due to slight deformation of the tooling, extending the service life of the guide. The surface contact between the water-cutting plate and the guide also reduces rolling impact to some extent. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the upper working roller water-cutting plate mechanism in an embodiment of this utility model;

[0015] In the diagram, 1 is the upper working roller, 2 is the water-cutting plate body, 3 is the guide, 4 is the rubber plate, 5 is the fixing bolt, and 6 is the circular sealing strip. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to the accompanying drawings. The embodiments described are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention. The textual descriptions in this embodiment correspond to the accompanying drawings, and the descriptions involving orientation are also based on the descriptions in the accompanying drawings, and should not be construed as limiting the scope of protection of the present invention.

[0017] like Figure 1 As shown, the upper working roller water-cutting plate in this embodiment includes a water-cutting plate body 2, a rubber plate 4, and a circular sealing strip. The water-cutting edge of the water-cutting plate body 2 is in close contact with the upper working roller 1, and the water-cutting edge is inclined at 4~10° towards the upper working roller. The rubber plate 4 is mounted on the water-cutting plate body 2 by fixing bolts 5. The rubber plate 4 extends along the entire length of the water-cutting plate body 2, and the rubber plate 4 is inclined with its upper edge in close contact with the upper working roller 1. Glue is injected into the gap between the lower edge of the rubber plate 4 and the water-cutting plate body 2 to form a seal as a guide groove.

[0018] The water cutting plate body 2 is shaped into a downward step surface, which is supported on the guide 3 by the step surface, and a sealing structure is arranged on the contact surface of the step surface and the guide. A through groove is arranged on the step surface, which extends along the length of the water cutting plate body 2, and a circular sealing strip 6 is arranged in the through groove, which is used for sealing the gap between the contact surface of the step surface and the guide.

[0019] The water cutting plate mechanism with the above structure can keep reliable water guiding effect on the cooling water even in the case of slight deformation of the water cutting plate body, and avoids falling to the surface of the steel plate. The resilience of the sealing strip is fully utilized to realize soft contact between the guide and the water cutting plate body, enhance the contact sealing effect, compensate for the water leakage deformation caused by the slight deformation of the guide, and prolong the replacement cycle of the guide.

[0020] In addition to the above embodiments, the utility model also includes other implementation manners, and any technical scheme formed by equivalent transformation or equivalent replacement should fall within the protection scope of the utility model claim.

Claims

1. A top work roll water cutting plate mechanism comprising a water cutting plate body, a water cutting edge of the water cutting plate body abutting against a top work roll, characterized in that: A rubber plate is arranged on the water cutting plate body, the rubber plate extends along the water cutting plate body, the rubber plate is arranged obliquely to form a guide groove with the water cutting plate body, and the upper edge of the rubber plate is close to the upper work roll; a downward step surface is arranged on the water cutting plate body, the step surface is supported on a guide, and a sealing structure is arranged on the contact surface of the step surface and the guide.

2. The top work roll water cutting mechanism of claim 1, wherein: The upper edge of the rubber plate is higher than the water cutting edge of the water cutting plate body.

3. The top work roll water cutting mechanism of claim 1, wherein: Glue is injected into the gap between the rubber plate and the water cutting plate body to form a seal to form the guide groove.

4. The top work roll water cutting mechanism of claim 1, wherein: A through groove is arranged on the step surface, the through groove extends along the water cutting plate body, and a sealing strip is arranged in the through groove, the sealing strip is used for sealing the gap between the step surface and the contact surface of the guide.

5. The top work roll water cutting mechanism of claim 4, wherein: The sealing strip is a fluorine rubber strip with a circular cross section.

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