Rolling mill for strip steel production

Abstract

The utility model discloses a rolling mill for strip steel production, which comprises an unwinding mechanism, a rolling mechanism and a rolling mechanism, the rolling mechanism is arranged on the downstream of the unwinding mechanism, the rolling mechanism is used for rolling the strip steel, and supporting seats are arranged on the two sides of the rolling mechanism; the rolling mechanism is arranged at the downstream of the rolling mechanism, and the rolling mechanism is used for rolling the strip steel; the waste gas treatment mechanism comprises a collecting cover, a liquefier and a fan, the collecting cover is arranged above the rolling mill body, the collecting cover is fixedly connected with the supporting seat, the collecting cover is connected with the liquefier, and the fan is connected with the liquefier. And by arranging the waste gas treatment mechanism, waste gas can be treated, so that the sanitation of the working environment is improved, and the life safety of operators is guaranteed.

Description

Technical Field

[0001] This application relates to the technical field of strip production, and particularly relates to a rolling mill for strip production. Background Art

[0002] A rolling mill is a device used to roll stainless steel strips in a stainless steel cold rolling production line. During the rolling process, rolling oil is sprayed onto the surface of the strip through high-pressure nozzles, thus generating a large amount of oil mist. Moreover, along with high temperature, the oil mist concentration inside the rolling mill will increase. If not treated, it will pollute the working environment and affect the safety of operating workers. Summary of the Utility Model

[0003] This application aims to solve at least one of the technical problems existing in the prior art. For this purpose, this application proposes a rolling mill for strip production, which can treat waste gas to improve the working environment hygiene and ensure the safety of operating workers.

[0004] The rolling mill for strip production according to the embodiment of this application includes: an unwinding mechanism for unwinding the strip; a rolling mechanism disposed downstream of the unwinding mechanism, the rolling mechanism being used to roll the strip, and support seats being disposed on both sides of the rolling mechanism; a winding mechanism disposed downstream of the rolling mechanism, the winding mechanism being used to wind the rolled strip; and a waste gas treatment mechanism including a collection hood, a liquefier, and a fan. The collection hood is disposed above the rolling mill body, the collection hood is fixedly connected to the support seat, the collection hood is connected to the liquefier, and the fan is connected to the liquefier.

[0005] The rolling mill for strip production according to the embodiment of this application has at least the following beneficial effects: The strip is unwound by the unwinding mechanism, rolled by the rolling mechanism, and then wound by the winding mechanism. Among them, a large amount of oil mist is generated during the rolling process. At this time, the oil mist-containing air is inhaled through the collection hood, filtered and liquefied by the liquefaction tank, and finally clean air is discharged through the fan. By providing a waste gas treatment mechanism, the waste gas can be treated to improve the working environment hygiene and ensure the safety of operating workers.

[0006] For the rolling mill for strip production according to the embodiment of this application, an air inlet pipe and an air outlet pipe are provided at the top of the liquefier. The collection hood is connected to the air inlet pipe, the fan is connected to the air outlet pipe, and a blanking pipe is provided at the bottom of the liquefier.

[0007] For the rolling mill for strip production according to the embodiment of this application, the waste gas treatment mechanism further includes a separator, the separator is disposed below the liquefier, and the separator is connected to the blanking pipe.

[0008] The rolling mill for strip steel production according to an embodiment of the present application, wherein the unwinding mechanism comprises an unwinding rack, an unwinding roller and a first support arm. The unwinding rack is provided with an unwinding motor. One end of the unwinding roller is connected to the unwinding motor. The first support arm is arranged at the other end of the unwinding roller. The first support arm is hinged to the unwinding rack. The first support arm is provided with a first support portion, and the first support portion abuts against the unwinding roller.

[0009] The rolling mill for strip steel production according to an embodiment of the present application, wherein the rolling mechanism comprises a first machine base and a rolling assembly. There are multiple groups of the rolling assemblies, and the multiple groups of rolling assemblies are arranged on the first machine base. The rolling assembly comprises an upper working roll and a lower working roll. The upper working roll and the lower working roll are arranged up and down on the first machine base. The upper working roll can move up and down relative to the lower working roll. The upper working roll and the lower working roll cooperate to roll the strip steel.

[0010] The rolling mill for strip steel production according to an embodiment of the present application, wherein the rolling assembly further comprises an upper support roll and a lower support roll. The upper support roll and the lower support roll are respectively arranged on the sides of the upper working roll and the lower working roll away from each other. The upper support roll abuts against the upper working roll, and the lower support roll abuts against the lower working roll.

[0011] The rolling mill for strip steel production according to an embodiment of the present application, wherein the winding mechanism comprises a winding rack, a winding roller and a second support arm. The winding rack is provided with a winding motor. One end of the winding roller is connected to the winding motor. The second support arm is arranged at the other end of the winding roller. The second support arm is hinged to the winding rack. The second support arm is provided with a second support portion, and the second support portion abuts against the winding roller.

[0012] The rolling mill for strip steel production according to an embodiment of the present application further comprises an oil removal mechanism. The oil removal mechanism is arranged between the rolling mechanism and the winding mechanism. The oil removal mechanism comprises a second machine base, an upper oil removal roll and a lower oil removal roll. The upper oil removal roll and the lower oil removal roll are arranged up and down on the second machine base. The upper oil removal roll and the lower oil removal roll can slide relatively up and down. The upper oil removal roll and the lower oil removal roll cooperate to remove the rolling oil on the strip steel.

[0013] Additional aspects and advantages of the present application will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present application. Description of the Drawings

[0014] The above and / or additional aspects and advantages of the present application will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0015] Figure 1 Structural schematic diagram of a rolling mill for strip steel production according to an embodiment of the present application;

[0016] Figure 2 Partial structural schematic diagram of a rolling mill for strip steel production according to an embodiment of the present application.

[0017] Description of the reference numerals:

[0018] Unwinding mechanism 100; unwinding rack 110; unwinding roller 120; first support arm 130; first support portion 140; rolling mechanism 200; support base 210; first machine base 220; rolling assembly 230; upper working roll 240; lower working roll 250; upper support roll 260; lower support roll 270; winding mechanism 300; winding rack 310; winding roller 320; second support arm 330; second support portion 340; collection hood 410; liquefier 420; intake pipe 421; outlet pipe 422; blanking pipe 423; fan 430; separator 440; oil removal mechanism 500; second machine base 510; upper oil removal roll 520; lower oil removal roll 530. Detailed description of the embodiments

[0019] The embodiments of the present application will be described in detail below. The examples of the embodiments are shown in the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present application and should not be construed as a limitation of the present application.

[0020] In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present application.

[0021] In the description of the present application, the meaning of several is one or more, the meaning of multiple is two or more, greater than, less than, exceeding, etc. are understood not to include the present number, and above, below, within, etc. are understood to include the present number. If the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or the sequence of the indicated technical features.

[0022] In the description of the present application, unless otherwise clearly defined, words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in the present application in combination with the specific content of the technical solution.

[0023] Refer toFigure 1 and Figure 2 Figure 1 and Figure 2 , an embodiment of the present application provides a rolling mill for strip steel production, including: a decoiling mechanism 100 for decoiling strip steel; a rolling mechanism 200 disposed downstream of the decoiling mechanism 100, the rolling mechanism 200 being used for rolling the strip steel, and support seats 210 being disposed on both sides of the rolling mechanism 200; a coiling mechanism 300 disposed downstream of the rolling mechanism 200, the coiling mechanism 300 being used for coiling the strip steel; an exhaust gas treatment mechanism including a collection hood 410, a liquefier 420 and a blower 430, the collection hood 410 being disposed above the rolling mill body, the collection hood 410 being fixedly connected to the support seat 210, the collection hood 410 being connected to the liquefier 420, and the blower 430 being connected to the liquefier 420.

[0024] The strip steel is decoiled by the decoiling mechanism 100, rolled by the rolling mechanism 200, and then coiled by the coiling mechanism 300; wherein, a large amount of oil mist is generated during the rolling process. At this time, the oil mist is sucked in through the collection hood 410, filtered and liquefied by the liquefaction tank, and finally clean air is discharged through the blower 430. By providing an exhaust gas treatment mechanism, the exhaust gas can be treated to improve the working environment hygiene and ensure the life safety of the operating workers.

[0025] Refer to Figure 1 Figure 1 , wherein, an air inlet pipe 421 and an air outlet pipe 422 are provided at the top of the liquefier 420, the collection hood 410 is connected to the air inlet pipe 421, the blower 430 is connected to the air outlet pipe 422, and a blanking pipe 423 is provided at the bottom of the liquefier 420. The collection hood 410 collects the oil mist, so that the oil mist enters the liquefier 420 through the air inlet pipe 421 and is liquefied to obtain rolling oil which flows out from the blanking pipe 423, while the air is filtered and discharged from the air outlet pipe 422 of the liquefier 420 under the action of the blower 430. This not only realizes the treatment of the exhaust gas, but also realizes the recycling of the rolling oil, reduces the cost, saves resources, and conforms to sustainable development. Further, the exhaust gas treatment mechanism further includes a separator 440, the separator 440 is disposed below the liquefier 420, and the separator 440 is connected to the blanking pipe 423. By providing the separator 440, the liquefied rolling oil can be separated to obtain clean rolling oil, which is convenient for recycling and has simple operation.

[0026] Refer to Figure 1 and Figure 2, in this embodiment, the rolling mechanism 200 includes a first base 220 and a rolling assembly 230. There are multiple groups of the rolling assemblies 230, and the multiple groups of rolling assemblies 230 are arranged on the first base 220. The rolling assembly 230 includes an upper working roll 240 and a lower working roll 250. The upper working roll 240 and the lower working roll 250 are arranged up and down on the first base 220, and the upper working roll 240 can move up and down relative to the lower working roll 250. The upper working roll 240 and the lower working roll 250 cooperate to roll the strip steel. By providing multiple groups of rolling assemblies 230, the strip steel can be rolled multiple times, improving the product quality. Further, the rolling assembly 230 further includes an upper support roll 260 and a lower support roll 270. The upper support roll 260 and the lower support roll 270 are respectively arranged on the sides where the upper working roll 240 and the lower working roll 250 are away from each other. The upper support roll 260 abuts against the upper working roll 240, and the lower support roll 270 abuts against the lower working roll 250. By adopting the above mechanism, the stability and reliability of the work can be improved, and the product quality can be improved.

[0027] Referring to Figure 1 and Figure 2 , in some embodiments, the unwinding mechanism 100 includes an unwinding frame 110, an unwinding roll 120 and a first support arm 130. The unwinding frame 110 is provided with an unwinding motor. One end of the unwinding roll 120 is connected to the unwinding motor. The first support arm 130 is arranged at the other end of the unwinding roll 120. The first support arm 130 is hinged to the unwinding frame 110. The first support arm 130 is provided with a first support portion 140, and the first support portion 140 abuts against the unwinding roll 120. Correspondingly, the winding mechanism 300 includes a winding frame 310, a winding roll 320 and a second support arm 330. The winding frame 310 is provided with a winding motor. One end of the winding roll 320 is connected to the winding motor. The second support arm 330 is arranged at the other end of the winding roll 320. The second support arm 330 is hinged to the winding frame 310. The second support arm 330 is provided with a second support portion 340, and the second support portion 340 abuts against the winding roll 320. By adopting the above mechanism, it is convenient to realize the loading and unloading of the strip steel, reduce the labor intensity and improve the work efficiency.

[0028] Referring to Figure 1 and Figure 2, in some embodiments, the rolling mill for strip steel production further includes an oil removal mechanism 500. The oil removal mechanism 500 is disposed between the rolling mechanism 200 and the coiling mechanism 300. The oil removal mechanism 500 includes a second machine base 510, an upper oil removal roller 520, and a lower oil removal roller 530. The upper oil removal roller 520 and the lower oil removal roller 530 are vertically arranged on the second machine base 510. The upper oil removal roller 520 and the lower oil removal roller 530 can slide relatively up and down, and the upper oil removal roller 520 and the lower oil removal roller 530 cooperate to remove the rolling oil on the strip steel. By providing the oil removal mechanism 500, the rolling oil on the steel strip can be removed, and the coiling effect of the strip steel can be improved. Among them, an oil-absorbing fiber layer is provided on the surfaces of the upper oil removal roller 520 and the lower oil removal roller 530, which can not only improve the oil removal effect, but also prevent the upper oil removal roller 520 and the lower oil removal roller 530 from scratching the strip steel and ensure the product quality.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] Although the embodiments of the present application have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present application. The scope of the present application is defined by the claims and their equivalents.

Claims

1. A rolling mill for producing strip steel, characterized in that: include: Unwinding mechanism, used for unwinding the strip steel; A rolling mechanism, arranged downstream of the unwinding mechanism, the rolling mechanism is used to roll the strip steel, and support seats are arranged on both sides of the rolling mechanism; A coiling mechanism, disposed downstream of the rolling mechanism, and used for rolling the steel strip; The waste gas treatment mechanism comprises a collecting hood, a liquefier and a fan, wherein the collecting hood is arranged above the rolling mill body, the collecting hood is fixedly connected to the supporting seat, the collecting hood is connected to the liquefier, and the fan is connected to the liquefier.

2. The rolling mill for producing strip steel according to claim 1, characterized in that: An air inlet pipe and an air outlet pipe are arranged on the top of the liquefier, the collecting hood is connected to the air inlet pipe, the fan is connected to the air outlet pipe, and a feed pipe is arranged on the bottom of the liquefier.

3. The rolling mill for producing strip steel according to claim 2, characterized in that: The waste gas treatment mechanism further includes a separator, which is arranged below the liquefier and connected to the feed pipe.

4. The rolling mill for producing strip steel according to claim 1, characterized in that: The unwinding mechanism includes an unwinding frame, an unwinding roller and a first support arm, the unwinding frame is provided with an unwinding motor, one end of the unwinding roller is connected to the unwinding motor, the first support arm is provided at the other end of the unwinding roller, the first support arm is hinged to the unwinding frame, the first support arm is provided with a first support portion, and the first support portion abuts against the unwinding roller.

5. The rolling mill for producing strip steel according to claim 1, characterized in that: The rolling mechanism includes a first machine stand and a rolling assembly. The rolling assembly is provided with multiple groups. The multiple groups of rolling assemblies are arranged on the first machine stand. The rolling assembly includes an upper working roll and a lower working roll. The upper working roll and the lower working roll are arranged up and down on the first machine stand. The upper working roll can move up and down relative to the lower working roll. The upper working roll and the lower working roll cooperate to roll the strip.

6. The rolling mill for producing strip steel according to claim 5, characterized in that: The rolling assembly also includes an upper support roll and a lower support roll, wherein the upper support roll and the lower support roll are respectively arranged on a side of the upper working roll and the lower working roll that are away from each other, the upper support roll abuts against the upper working roll, and the lower support roll abuts against the lower working roll.

7. The rolling mill for producing strip steel according to claim 1, characterized in that: The winding mechanism includes a winding frame, a winding roller and a second support arm, the winding frame is provided with a winding motor, one end of the winding roller is connected to the winding motor, the second support arm is provided at the other end of the winding roller, the second support arm is hinged to the winding frame, the second support arm is provided with a second support portion, and the second support portion abuts against the winding roller.

8. The rolling mill for producing strip steel according to claim 1, characterized in that: It also includes an oil removal mechanism, which is arranged between the rolling mechanism and the winding mechanism. The oil removal mechanism includes a second machine base, an upper oil removal roller and a lower oil removal roller. The upper oil removal roller and the lower oil removal roller are arranged up and down on the second machine base. The upper oil removal roller and the lower oil removal roller can slide up and down relative to each other. The upper oil removal roller and the lower oil removal roller cooperate to remove the rolling oil on the strip.

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