CN210966377U - Continuous rolling mill roll cooling water retaining device and continuous rolling mill - Google Patents
Continuous rolling mill roll cooling water retaining device and continuous rolling mill Download PDFInfo
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- CN210966377U CN210966377U CN201922017708.9U CN201922017708U CN210966377U CN 210966377 U CN210966377 U CN 210966377U CN 201922017708 U CN201922017708 U CN 201922017708U CN 210966377 U CN210966377 U CN 210966377U
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Abstract
The utility model belongs to the technical field of roll technology cooling control, particularly, relate to a tandem mill roll cooling water retaining device and tandem mill. The cooling water and water retaining device for the roller of the continuous rolling mill is arranged on the continuous rolling mill and comprises a water retaining upper clamping plate, a water retaining lower clamping plate and a water retaining plate; the underwater retaining clamping plate is arranged on a rolling mill guide of the continuous rolling mill, and the rolling mill guide is fixed on a guide cross beam and is close to a roll pass; the water blocking upper clamping plate is arranged on the water blocking lower clamping plate; the water baffle is arranged between the water baffle upper clamping plate and the water baffle lower clamping plate and is attached to a roll pass of the continuous rolling mill. The tandem mill comprises a roller, a guide beam, a rolling mill guide and the tandem mill roller cooling water retaining device. The utility model discloses can spray for a long time of cooling water to the rolled piece surface to guarantee rolled piece surface quality, and avoid the emergence of production accident and equipment accident, have simple structure, simple to operate, characteristics that maneuverability is strong.
Description
Technical Field
The utility model belongs to the technical field of roll technology cooling control, particularly, the utility model relates to a tandem mill roll cooling water retaining device and tandem mill.
Background
In the process of rolling the bar, because of extrusion deformation between the billet and the roller, the roller is subjected to the heat conduction action of the high-temperature billet, the temperature rises rapidly, and in order to control the temperature of the surface of the roller and reduce the service life damage of the surface of the roller, a rolling mill guide (mainly a rolling mill outlet guide which is positioned in the outlet direction of a rolled piece) is provided with a cooling spray device (which is wrapped on the flat rolling type rack in an arc shape) to continuously cool the roller.
In order to ensure the cooling strength of the roller, high-pressure water of a cooling spray ring is positioned above the height of a rolling line of the existing rolling mill equipment, and is completely sprinkled and dripped on the upper surface and the corner of a rolled piece through a gap between a hole pattern and a rolling mill outlet guide in the process of flowing down along the hole pattern of the roller.
Under the condition of not reducing the water pressure of the cooling spray ring, the condition that the cooling water sprays the rolled piece cannot be effectively controlled. The common control method in the prior art can only reduce the cooling water amount of the upper roll to reduce the influence of the cooling water on the rolling of special steel types containing V (vanadium), S (sulfur) and the like (when the special steel types containing V, S and the like free-cutting non-adjustable steel and the like are rolled, if the cooling water of the roll is not controlled, the phenomena of cracking of a rolled piece, no biting of a rolling split end and the like into the roll are caused by the spraying of the cooling water, so that the serious quality and production accidents of scrapping of products, even roll breaking and the like, and the serious equipment accidents of damaging rolling main transmission equipment and the like are caused).
At present, the following problems exist when controlling cooling water in the rolling process: simply reducing or closing the cooling water of the roller can prevent the high-temperature friction between the roller and the rolled piece from being cooled in time, and the abrasion of the roller surface is aggravated; the spraying of the roller cooling water on the upper surface of the rolled piece can influence irregular deformation, so that the deformation of the upper surface and the lower surface of the rolled piece is uneven, the deformation exceeds the rolling deformation control, the changes of the size precision and the surface quality problems of heavy skin, wire drawing and the like are caused, and the product can be scrapped in severe cases.
SUMMERY OF THE UTILITY MODEL
The utility model provides a tandem mill roll cooling water retaining device and tandem mill can solve the technical problem that the cooling water sprays the rolled piece among the prior art.
In order to solve the problem, the utility model provides a tandem mill roll cooling water retaining device and tandem mill, its technical scheme as follows:
a cooling water retaining device for a roller of a continuous rolling mill is arranged on the continuous rolling mill and comprises: the water blocking upper clamping plate, the water blocking lower clamping plate and the water blocking plate are arranged on the water blocking upper clamping plate; the underwater retaining clamping plate is arranged on a rolling mill guide of the continuous rolling mill, and the rolling mill guide is fixed on a guide cross beam and is close to a roll pass; the water blocking upper clamping plate is arranged on the water blocking lower clamping plate; the water baffle is arranged between the water baffle upper clamping plate and the water baffle lower clamping plate and is attached to a roll pass of the continuous rolling mill.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the underwater retaining clamping plate is welded on the rolling mill guide and inclined towards the roller, and the included angle between the underwater retaining clamping plate and the horizontal plane is 45-60 degrees.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: threaded holes are formed in the underwater blocking clamping plate, and unthreaded holes corresponding to the threaded holes are formed in the underwater blocking clamping plate and the water baffle; and a bolt in threaded connection with the threaded hole is inserted into the unthreaded hole, and the water baffle and the water blocking upper clamping plate are arranged on the water blocking lower clamping plate through the bolt.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the top of the water baffle is attached to the hole pattern of the roller; the top height of the water baffle is greater than the top heights of the upper water baffle clamping plate and the lower water baffle clamping plate.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the water baffle is made of high-temperature resistant rubber.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the continuous rolling mill roller cooling water retaining device is also included; the rolling mill guide is arranged on the guide beam and is close to the roller, the water retaining device is arranged on the rolling mill guide and comprises a water retaining upper clamping plate, a water retaining lower clamping plate and a water retaining plate; the underwater retaining clamping plate is arranged on the rolling mill guide, the upper water retaining clamping plate is arranged on the lower water retaining clamping plate, and the water retaining plate is arranged between the underwater retaining clamping plate and the upper water retaining clamping plate.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: and the rolling mill guide and guard device is provided with splitter boxes on two sides of the water retaining device, and the splitter boxes are used for guiding cooling water blocked by the water retaining device.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the spraying device is matched with the roller and is used for spraying cooling water into the hole pattern of the roller; the top of the water baffle extends into the pass of the roller and is attached to the top end and the side wall of the pass, and the water baffle is used for blocking cooling water and guiding the cooling water into the diversion channel.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the inclination angle of the part, attached to the groove-shaped side wall, on the water baffle is the same as the inclination angle of the groove-shaped side wall.
The continuous rolling mill roll cooling water retaining device as described above is more preferably: the part of the water baffle, which is attached to the roller, is bent towards the rotating direction of the roller, and an angle is formed between the water baffle and the lower clamping plate.
The analysis can know, compare with prior art, the utility model discloses an advantage and beneficial effect lie in:
1. the utility model discloses an install the breakwater on the rolling mill is led and is defended, can block continuous rolling mill roll cooling water and spray for a long time to the rolled piece surface not leading to defending implementing the great prerequisite of reforming transform to the rolling mill to guarantee rolled piece surface quality, and avoid the emergence of production accident and equipment accident, have simple structure, simple to operate, characteristics that maneuverability is strong.
2. The water retaining lower clamping plate, the water retaining plate and the water retaining upper clamping plate of the utility model incline towards the roller; the height of the water baffle is greater than that of the water baffle upper clamping plate and the water baffle lower clamping plate; the inclination angle of the part, attached to the groove-shaped side wall, of the water baffle is the same as that of the groove-shaped side wall; the part of the water baffle attached to the roller is bent towards the rotating direction of the roller, so that the cooling water is guided conveniently, and the water baffle has the characteristic of good water baffle effect on the premise of ensuring the production safety.
3. The utility model discloses a clamp plate passes through the bolt to be installed under the manger plate on the clamp plate on breakwater and the manger plate, can ensure that the manger plate does not receive the impact of tandem mill roll cooling water and the displacement appears. When the water baffle is installed and maintained, the replacement plan can be designed according to the service cycle of the roller and the specified cycle of the rolling temperature environment, the replacement can be quickly disassembled and assembled, and the water baffle has the characteristic of simple and convenient operation.
4. The utility model discloses a water baffle adopt high temperature resistant rubber skin tailor with the pass assorted shape of roll can, maneuverability is strong, sealed effectual, has simple structure compactness, the characteristics that the material demand satisfies easily.
Drawings
Fig. 1 is an installation schematic diagram of the cooling water retaining device for the continuous rolling mill roll of the present invention.
Fig. 2 is a schematic structural view of the clamping plate on the water retaining plate of the present invention.
Fig. 3 is a schematic structural view of the water baffle of the present invention.
Fig. 4 is a schematic structural view of the water retaining lower clamping plate of the present invention.
In the figure: 1-rolling; 2, guiding and guarding beams; 3, guiding and guarding of a rolling mill; 4-a water retaining device; 5-water retaining upper clamping plate; 6-water baffle; 7-water retaining lower clamping plate; 8-bolt.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The terms "connected" and "connected" used in the present invention should be understood in a broad sense, and may be, for example, either fixed or detachable; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 4, fig. 1 is a schematic view illustrating an installation of a cooling water retaining device for a continuous rolling mill roll according to the present invention; FIG. 2 is a schematic structural view of the clamping plate on the water baffle of the present invention; FIG. 3 is a schematic structural view of the water guard plate of the present invention; fig. 4 is a schematic structural view of the water retaining lower clamping plate of the present invention.
As shown in fig. 1 to 4, the utility model provides a cooling water retaining device for a continuous rolling mill roller, which is arranged on a continuous rolling mill and mainly comprises a water retaining upper clamping plate 5, a water retaining lower clamping plate 7 and a water retaining plate 6; the underwater retaining clamping plate 7 is arranged on a rolling mill guide 3 of the continuous rolling mill, and the rolling mill guide 3 is fixed on the guide beam 2 and is close to the hole pattern of the roller 1; the water blocking upper clamping plate 5 is arranged on the water blocking lower clamping plate 7; the water baffle 6 is arranged between the water baffle upper clamping plate 5 and the water baffle lower clamping plate 7 and is attached to the hole pattern of the roller 1 of the continuous rolling mill.
Particularly, the utility model discloses a pinch-off blades 7 is installed on rolling mill is led and is defended 3 under the manger plate, and pinch-off blades 5 and breakwater 6 are installed under the manger plate on pinch-off blades 7, and breakwater 6 is in under the manger plate between pinch-off blades 5 on pinch-off blades 7 and the manger plate, relies on the manger plate under pinch-off blades 7 and the manger plate on pinch-off blades 5's centre gripping keep fixed. The utility model discloses an install breakwater 6 on rolling mill is led and is defended 3, can block continuous rolling mill roll cooling water and spray for a long time to the rolled piece surface under the prerequisite of not leading and defending 3 implementation great transformation to the rolling mill to guarantee rolled piece surface quality, and avoid the emergence of production accident and equipment accident, have simple structure, simple to operate, characteristics that maneuverability is strong.
As an improvement to the present invention, as shown in fig. 1 to 4, the present invention further provides the following improvement:
for the convenience is to the cooling water conservancy diversion of tandem mill roll, as shown in fig. 1, fig. 3 and fig. 4, the utility model discloses a 7 welding of pinch-off blades under the manger plate are led and defend 3 and incline towards roll 1 on the rolling mill, are 45 to 60 with the contained angle scope of horizontal plane, 7 laminating of pinch-off blades under breakwater 6 and the manger plate to make breakwater 6 can discharge the tandem mill roll cooling water that blocks by both sides, be convenient for to the cooling water conservancy diversion of tandem mill roll, avoid tandem mill roll cooling water to spray the rolled piece.
In order to facilitate the installation and maintenance of the water baffle 6, as shown in fig. 2 to 4, the water baffle lower clamping plate 7 of the utility model is provided with a threaded hole, and the water baffle upper clamping plate 5 and the water baffle 6 are both provided with a unthreaded hole corresponding to the threaded hole; the bolt 8 in threaded connection with the threaded hole is inserted in the unthreaded hole in a penetrating mode, and the water baffle 6 and the water baffle upper clamping plate 5 are installed on the water baffle lower clamping plate 7 through the bolt 8, so that the water baffle 6 can be prevented from being displaced due to the impact of the cooling water of the roller of the tandem mill. When the water baffle 6 is installed and maintained, the quick assembling, disassembling and replacing operation of the water baffle 6 can be completed through the threaded connection of the bolt 8 and the threaded hole according to the service cycle of the roller 1 and the specified cycle replacing plan of the rolling temperature environment, and the water baffle has the characteristic of simple and convenient operation.
In order to further improve the water retaining effect, as shown in fig. 1 to 4, the top of the water retaining plate 6 of the present invention is attached to the hole pattern of the roller 1; the top height of the water baffle 6 is greater than the top height of the clamping plate 5 on the water baffle and the clamping plate 7 under the water baffle, so that no gap exists between the water baffle 6 and the roller 1, the interference between the clamping plate 5 on the water baffle and the clamping plate 7 under the water baffle can not occur with the roller 1, and the water baffle effect of the water baffle 6 is further improved on the premise of ensuring the production safety.
The high temperature range of the utility model is limited to 900 +/-100 ℃, and when selecting materials, the water baffle 6 of the utility model is made of high temperature resistant rubber, for example, butyl rubber, and is periodically replaced; the shape of breakwater 6 suits with the pass of roll 1, adopt high temperature resistant rubber skin to cut out with the pass assorted shape of roll 1 can, maneuverability is strong, sealed effectual, simple structure is compact, the material demand satisfies easily, the utility model discloses do not specifically inject to the shape of breakwater 6.
As shown in fig. 1 to 4, the present invention also provides a tandem mill, which mainly comprises a roller 1, a guide beam 2, a mill guide 3, and the cooling water retaining device for the roller of the tandem mill; the rolling mill guide 3 is arranged on the guide beam 2 and is close to the roller 1, the water retaining device 4 is arranged on the rolling mill guide 3, and the water retaining device 4 comprises a water retaining upper clamping plate 5, a water retaining lower clamping plate 7 and a water retaining plate 6; the underwater retaining clamping plate 7 is arranged on the rolling mill guide 3, the water retaining upper clamping plate 5 is arranged on the water retaining lower clamping plate 7, and the water retaining plate 6 is arranged between the water retaining lower clamping plate 7 and the water retaining upper clamping plate 5. The utility model discloses an installation water retaining device 4 can ensure the cooling demand of roll 1 when rolling special steel grade, can block the long-time spraying of tandem mill roll cooling water to the rolled piece surface again to solve the influence of tandem mill roll cooling water to rolled piece and rolling process, guarantee the product quality of special steel grade.
Further, for the convenience of guide cooling water's rivers, as shown in fig. 1 and fig. 3, the utility model discloses lead at the rolling mill and defend 3 go up, water retaining device 4's both sides are equipped with the splitter box to can flow away the cooling water that 6 breakwaters 6 blockked by 6 both sides of water retaining plate, avoid cooling water and rolled piece contact, the cooling water that water conservancy diversion water retaining device 4 blockked.
As shown in fig. 1 and fig. 3, the utility model also comprises a spraying device which is matched with the roller 1 and is used for spraying cooling water into the hole pattern of the roller 1; the top of the water baffle 6 extends into the pass of the roller 1 and is attached to the top end and the side wall of the pass, so that the water baffle can be closely attached to the pass of the roller 1, blocks cooling water and guides the cooling water into the diversion channel.
Further, the utility model discloses on breakwater 6, the inclination of the part of laminating with the pass lateral wall is the same with the inclination of pass lateral wall, can closely laminate the pass surface, is convenient for simultaneously with the leading-in splitter box of cooling water along the inclination.
In order to further improve the utility model discloses a manger plate effect, as shown in fig. 1, fig. 3 and fig. 4, the utility model discloses a part of breakwater 6 laminating on roll 1 is crooked towards the direction of rotation of roll 1 to with the manger plate under be equipped with the angle between the clamp plate 7, thereby can guarantee that breakwater 6 closely laminates on the pass surface of roll 1, can laminate with the pass surface equally when roll 1 reverses, can not produce the clearance because of turning to of roll 1 and roll 1 at the rotation in-process of roll 1, further improve the utility model discloses a manger plate effect.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. The utility model provides a tandem mill roll cooling water manger plate device, installs on the tandem mill which characterized in that includes:
the water blocking upper clamping plate, the water blocking lower clamping plate and the water blocking plate are arranged on the water blocking upper clamping plate;
the underwater retaining clamping plate is arranged on a rolling mill guide of the continuous rolling mill, and the rolling mill guide is fixed on a guide cross beam and is close to a roll pass; the water blocking upper clamping plate is arranged on the water blocking lower clamping plate; the water baffle is arranged between the water baffle upper clamping plate and the water baffle lower clamping plate and is attached to a roll pass of the continuous rolling mill.
2. The tandem mill roll cooling water retaining device of claim 1, wherein:
the underwater retaining clamping plate is welded on the rolling mill guide and inclined towards the roller, and the included angle between the underwater retaining clamping plate and the horizontal plane is 45-60 degrees.
3. The tandem mill roll cooling water retaining device of claim 1, wherein:
threaded holes are formed in the underwater blocking clamping plate, and unthreaded holes corresponding to the threaded holes are formed in the underwater blocking clamping plate and the water baffle; and a bolt in threaded connection with the threaded hole is inserted into the unthreaded hole, and the water baffle and the water blocking upper clamping plate are arranged on the water blocking lower clamping plate through the bolt.
4. The tandem mill roll cooling water retaining device of claim 1, wherein:
the top of the water baffle is attached to the hole pattern of the roller; the top height of the water baffle is greater than the top heights of the upper water baffle clamping plate and the lower water baffle clamping plate.
5. The tandem mill roll cooling water retaining device of claim 1, wherein:
the water baffle is made of high-temperature resistant rubber.
6. The utility model provides a tandem mill, includes that roll, guide crossbeam and rolling mill are led and are defended, its characterized in that still includes:
the tandem mill roll cooling water retaining device of any one of claims 1 to 5;
the rolling mill guide is arranged on the guide beam and is close to the roller, the water retaining device is arranged on the rolling mill guide and comprises a water retaining upper clamping plate, a water retaining lower clamping plate and a water retaining plate; the underwater retaining clamping plate is arranged on the rolling mill guide, the upper water retaining clamping plate is arranged on the lower water retaining clamping plate, and the water retaining plate is arranged between the underwater retaining clamping plate and the upper water retaining clamping plate.
7. The continuous rolling mill according to claim 6, characterized in that:
and the rolling mill guide and guard device is provided with splitter boxes on two sides of the water retaining device, and the splitter boxes are used for guiding cooling water blocked by the water retaining device.
8. The continuous rolling mill of claim 7, further comprising:
the spraying device is matched with the roller and is used for spraying cooling water into the hole pattern of the roller; the top of the water baffle extends into the pass of the roller and is attached to the top end and the side wall of the pass, and the water baffle is used for blocking cooling water and guiding the cooling water into the diversion channel.
9. The continuous rolling mill according to claim 8, characterized in that:
the inclination angle of the part, attached to the groove-shaped side wall, on the water baffle is the same as the inclination angle of the groove-shaped side wall.
10. The continuous rolling mill according to claim 8, characterized in that:
the part of the water baffle, which is attached to the roller, is bent towards the rotating direction of the roller, and an angle is formed between the water baffle and the lower clamping plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017708.9U CN210966377U (en) | 2019-11-19 | 2019-11-19 | Continuous rolling mill roll cooling water retaining device and continuous rolling mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922017708.9U CN210966377U (en) | 2019-11-19 | 2019-11-19 | Continuous rolling mill roll cooling water retaining device and continuous rolling mill |
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| Publication Number | Publication Date |
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| CN210966377U true CN210966377U (en) | 2020-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922017708.9U Active CN210966377U (en) | 2019-11-19 | 2019-11-19 | Continuous rolling mill roll cooling water retaining device and continuous rolling mill |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756590A (en) * | 2019-11-19 | 2020-02-07 | 大冶特殊钢有限公司 | Continuous rolling mill roll cooling water retaining device and continuous rolling mill |
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2019
- 2019-11-19 CN CN201922017708.9U patent/CN210966377U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110756590A (en) * | 2019-11-19 | 2020-02-07 | 大冶特殊钢有限公司 | Continuous rolling mill roll cooling water retaining device and continuous rolling mill |
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