Coiling machine and hot rolling production line

Abstract

The utility model discloses a coiling machine, and solves the technical problem that the production quality of strip steel is reduced due to the fact that rust on a water scraping plate of a coiling machine in the prior art is easy to fall onto the strip steel. Comprising a coiling machine body, a clamping and conveying assembly and a water scraping plate. The clamping and conveying assembly is located on the incoming material side of the coiling machine body and comprises an upper clamping and conveying roller and a lower clamping and conveying roller; the water scraping plate is obliquely arranged and comprises bottom plates, baffles and partition plates, the baffles and the partition plates are connected to the bottom plates, the tail ends of the bottom plates are attached to the roller face of the upper pinch roller so as to scrape cooling water on the pinch roller, the baffles and the partition plates are arranged at intervals, and the baffles, the partition plates and the bottom plates define a plurality of water collecting grooves. The baffles and / or the partition plates are provided with holes for cooling water to circulate, each water collecting tank is communicated with at least one hole, and the holes are located in the side walls, located at the bottoms, of the water collecting tanks. According to the water scraping device, water on the water scraping plate can flow out, rust is blocked by the baffle or the partition plate and prevented from falling onto strip steel, and the production quality of the strip steel is improved.

Description

Technical Field

[0001] The present application belongs to the technical field of coiling devices, and specifically relates to a coiling machine and a hot rolling production line. Background Art

[0002] A cooling manifold is provided near the pinch rolls of the hot rolling coiler, and cooling water is sprayed on the pinch rolls toward the pinch rolls. A scraper is provided next to the pinch rolls to make the sprayed cooling water evenly cover the pinch rolls, so that the pinch rolls are cooled evenly.

[0003] In the prior art, the wiper blade will continuously store water during production, and there is a rocker arm above the pinch roller. When some rust on the rocker arm falls into the inside of the wiper blade, it will float out of the wiper blade with the flow of water. Since the wiper blade is located next to the pinch roller and this place is behind the side spray device, the rust will fall onto the upper surface of the strip and enter the pinch roller. The rust is crushed by the pinch roller to form pits on the surface of the steel plate, affecting the subsequent use of the strip. Summary of the invention

[0004] In order to solve the technical problem that rust on the scraper plate of the current coiler is easy to fall onto the strip steel, thereby reducing the production quality of the strip steel, the present application provides a coiler and a hot rolling production line.

[0005] In a first aspect of the present application, a coiler is provided, comprising a coiler body, a clamping assembly and a wiper.

[0006] The pinching assembly is located at the material-incoming side of the coiler body and includes an upper pinching roller and a lower pinching roller;

[0007] The wiper is arranged at an angle, and includes a base plate and a baffle and a partition connected to the base plate. The end of the base plate is in contact with the roller surface of the upper pinch roller to scrape off the cooling water on the pinch roller. There are at least two baffles and two base plates, and the baffles and the partitions are arranged at intervals. The baffles, the partitions and the base plate together form a plurality of water collecting troughs. The baffles and / or the partitions are provided with openings for the circulation of cooling water. Each of the water collecting troughs is connected to at least one of the openings, and the openings are located on the side wall at the bottom of the water collecting trough.

[0008] In some embodiments, two baffles are provided and are spaced apart along an axial direction perpendicular to the upper pinch roller.

[0009] In some embodiments, the baffle is parallel to the axial direction of the upper pinch roller, and the baffle is provided with the opening, and the opening is located on the side wall of the bottom of the water collecting tank formed by the baffle.

[0010] In some embodiments, a plurality of the partitions are spaced apart along the axial direction of the upper pinch roller, and the partitions are perpendicular to the axial direction of the upper pinch roller.

[0011] In some embodiments, the partition is provided with the opening, and the opening of the partition is located at the connection between the partition and the baffle, and is close to the lower side wall of the sump.

[0012] In some embodiments, the cross-sectional shapes of the baffle opening and the partition opening are both semicircular.

[0013] In some embodiments, the edges of the openings of the baffle plate and the openings of the partition plate are close to the bottom plate.

[0014] In some embodiments, the diameter of the opening is 30-40 mm, and the height of the partition and the baffle is 80-100 mm.

[0015] In some embodiments, a scraper is included, and the scraper is arranged at the end of the bottom plate.

[0016] In a second aspect of the present application, a hot rolling production line is provided, comprising the coiler;

[0017] According to the coiler and hot rolling production line provided in the embodiment of the present application, it includes a coiler body, a pinching assembly and a wiper. The pinching assembly is located on the material-incoming side of the coiler body and includes an upper pinching roller and a lower pinching roller; the wiper is arranged at an angle, and includes a bottom plate and a baffle and a partition both connected to the bottom plate, the end of the bottom plate is attached to the roller surface of the upper pinching roller to scrape off the cooling water on the pinching roller, and at least two baffles and bottom plates are provided, and the baffles and partitions are arranged at intervals, and the baffles, partitions and bottom plates are combined to form a plurality of water collecting troughs, and the baffles and / or partitions are provided with openings for cooling water to flow, and each water collecting trough is connected to at least one opening, and the opening is located on the side wall at the bottom of the water collecting trough.

[0018] Compared with the prior art, the wiper provided in the present application is provided with a base plate and a baffle and a partition connected to the base plate, and the baffle and / or the partition are provided with openings for the circulation of cooling water, so that the water on the wiper can flow out, and the rust on the wiper is blocked by the baffle or the partition to prevent it from falling onto the strip steel, and to prevent the strip steel from being pressed out of chrome marks by the clamping roller device, thereby improving the production quality of the strip steel. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a coiler in an embodiment of the present application is shown.

[0020] Figure 2 A schematic structural diagram of a wiper blade in an embodiment of the present application is shown.

[0021] Description of reference numerals:

[0022] 100, upper pinch roller;

[0023] 200, lower pinch roller;

[0024] 300, rocker arm;

[0025] 400, wiper;

[0026] 410, baffle; 420, bottom plate; 430, partition; 440, scraper. DETAILED DESCRIPTION

[0027] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0028] A first embodiment of the present application provides a coiler to improve the production quality of steel strip.

[0029] See also Figure 1 , the coiler provided in the embodiment of the present application comprises a coiler body, a pinching assembly and a wiper 400;

[0030] The pinching assembly is located on the material incoming side of the coiler body and includes an upper pinching roller 100 and a lower pinching roller 200; in some embodiments, the pinching assembly includes an upper pinching roller 100 and a lower pinching roller 200 that are close to each other, and the upper pinching roller 100 and the lower pinching roller 200 rotate relative to each other so that the strip moves under the clamping action of the upper pinching roller 100 and the lower pinching roller 200; in some embodiments, the diameter of the upper pinching roller 100 is larger than the diameter of the lower pinching roller 200; in some embodiments, the upper pinching roller 100 is located above the lower pinching roller 200; in some embodiments, the upper pinching roller 100 is fixedly connected to the rocker arm 300.

[0031] The wiper 400 is tilted and includes a bottom plate 420 and a baffle 410 and a partition 430 connected to the bottom plate 420. The end of the bottom plate 420 is attached to the roller surface of the upper pinch roller 100 to scrape off the cooling water on the pinch roller. The baffles 410 and the bottom plate 420 are each provided with at least two. The baffles 410 and the partitions 430 are spaced apart. The baffles 410, the partitions 430 and the bottom plate 420 are combined to form a plurality of water collecting troughs. The baffles 410 and / or the partitions 430 are provided with openings for cooling water to flow. Each water collecting trough is connected to at least one opening, and the opening is located on the side wall at the bottom of the water collecting trough. In some embodiments, the end of the wiper 400 away from the upper pinch roller 100 is detachably connected to one end of the rocker arm 300. In some embodiments, the wiper 40 0 is hinged to the rocker arm 300 in the middle; in some embodiments, the middle part of the wiper 400 is hinged to one end of the connecting arm, and the other end of the connecting arm is hinged to the rocker arm 300; in some embodiments, one end of the wiper 400 is detachably connected to the rocker arm 300, and the other end is close to the upper pinch roller 100; in some embodiments, the wiper 400 includes a bottom plate 420, and the bottom plate 420 is connected to a baffle 410 near one end of the rocker arm 300, and in some embodiments, the baffle 410 is parallel to the roller axis of the pinch roller; in some embodiments, the height of the baffle 410 is 80 mm to 100 mm; in some embodiments, the height of the baffle 410 is 82 mm; in some embodiments, the height of the baffle 410 is 95 mm; in some embodiments, the height of the baffle 410 is 88 mm.

[0032] In some embodiments, two baffles 410 are provided, which are spaced apart along the axial direction perpendicular to the upper clamping roller 100, so as to prevent the sliding of flaky rust in multiple layers and increase the isolation effect of the rust; in some embodiments, a plurality of baffles 410 are provided, which are spaced apart along the axial direction perpendicular to the upper clamping roller 100, and in some embodiments, 3, 4, or 5 baffles 410 are provided.

[0033] In some embodiments, the baffle 410 is parallel to the axial direction of the upper pinch roller 100, and the baffle 410 is provided with an opening, which is located on the bottom side wall of the sump formed by the baffle 410, so that the rust moves from top to bottom along the water flow and is then blocked by the baffle, thereby increasing the isolation effect of the rust; in some embodiments, multiple baffles 410 are parallel to the roller axis of the upper pinch roller 100; in some embodiments, the opening of the baffle 410 is close to the upper pinch roller.

[0034] In some embodiments, a plurality of baffles 430 are arranged at intervals along the axial direction of the upper pinch roller 100, and the baffles 430 are perpendicular to the axial direction of the upper pinch roller 100, so that when the water flows out of the axial direction of the upper pinch roller 100, the rust is blocked by the plurality of baffles 430 arranged at intervals along the axial direction of the upper pinch roller 100, so as to prevent the rust from falling and increase the isolation effect of the rust; in some embodiments, the baffles 430 are perpendicular to the roller axis of the upper pinch roller 100; in some embodiments, the height of the baffles 430 is 80 mm to 100 mm; in some embodiments, the height of the baffles 430 is 87 mm; in some embodiments, the height of the baffles 430 is 96 mm; in some embodiments, the height of the baffles 430 is 98 mm.

[0035] In some embodiments, the partition 430 is provided with an opening, and the opening of the partition 430 is located at the connection between the partition 430 and the baffle 410, and is close to the lower side wall of the sump, so that water can flow out through the opening of the partition, thereby increasing the isolation effect of rust; in some embodiments, the opening of the partition 430 is close to the upper clamping roller.

[0036] In some embodiments, the partition 430 has multiple openings, which are spaced apart along the extension direction of the baffle 410 so that water can flow out while rust remains in the wiper 400, thereby increasing the blocking effect; in some embodiments, the partition 430 has four, six, or eight openings.

[0037] In some embodiments, the baffle 410 has multiple openings, which are spaced apart along the extension direction of the partition 430 so that water can flow out while rust remains in the wiper 400, thereby increasing the blocking effect; in some embodiments, the baffle 410 has a plurality of openings located at the junction of the baffle 410 and the partition 430; in some embodiments, the baffle 410 has four, six, or eight openings.

[0038] In some embodiments, the cross-sectional shapes of the openings of the baffle 410 and the baffle 430 are both semicircular to increase the outflow effect of water;

[0039] In some embodiments, the edges of the baffle openings and the baffle openings are close to the bottom plate 420 to increase the water outflow effect. In some embodiments, the arc edges of the baffle openings and the baffle openings are away from the bottom plate 420.

[0040] In some embodiments, the cross-sectional shape of the openings of the baffle 410 and the partition 430 are both semicircular to ensure drainage effect. In some embodiments, the diameter of the openings of the baffle and the partition is 30mm~40mm; in some embodiments, the diameter of the openings of the baffle and the partition is 31mm, 35mm, 37mm; in some embodiments, the openings of the baffle 410 and the partition 430 are square holes; in some embodiments, the side length of the square hole is 30mm~40mm; in some embodiments, the side length of the square hole is 31mm, 35mm, 37mm.

[0041] In some embodiments, a scraper 440 is included, and the scraper 440 is disposed at the end of the bottom plate 420 to block the cooling water and rust, so that the cooling water flows out from both sides of the scraper; in some embodiments, the scraper 440 is disposed at an angle to the bottom plate 420; in some embodiments, the scraper 440 is tangent to the upper clamping roller 100.

[0042] A second embodiment of the present application provides a hot rolling production line to improve the production quality of steel strip.

[0043] The hot rolling production line provided in the embodiment of the present application includes a coiler to improve the production quality of the strip steel; in some embodiments, the hot rolling production line includes a heating furnace, a rough rolling unit, and a finishing rolling unit arranged in sequence according to the process;

[0044] The coiler includes a cooling manifold for spraying cooling water on the roller surface of the upper pinch roller, the cooling manifold is located on the side of the upper pinch roller away from the scraper, and the cooling manifold sprays cooling water on the pinch roller to cool the pinch roller. The coiler body includes a reel for coiling the strip.

[0045] The process of the coiler and hot rolling production line of this application is described in detail below:

[0046] During the production process, rust on the pinch roller frame falls onto the wiper 400. Since the pinch roller continuously splashes cooling water onto the wiper 400 during operation, the cooling water splashed onto the wiper 400 flows from top to bottom along the wiper 400, passes through the baffle 410 and the partition 430 during the flow, and the cooling water flows out from the openings on the baffle 410 and the partition 430. The rust is blocked in the wiper 400 by the baffle 410 and the partition 430. The operator regularly cleans the rust on the wiper 400 to prevent the rust from accumulating and clogging the openings. The present application prevents the rust from falling onto the strip and increases the production quality of the strip.

[0047] The coiler and hot rolling production line of the present application have at least the following advantages:

[0048] (1) Compared with the prior art, the wiper provided in the present application is provided with a base plate and a baffle and a partition connected to the base plate, and the baffle and / or the partition are provided with openings for cooling water to flow out, so that the water on the wiper can flow out, and the rust on the wiper is blocked by the baffle or the partition to prevent it from falling onto the strip, and to prevent the strip from being pressed with chrome marks by the pinch roller device, thereby improving the production quality of the strip.

[0049] (2) The present application provides a plurality of baffles which are arranged at intervals along the extension direction of the wiper blade to increase the isolation effect of rust and further prevent the rust from falling.

[0050] (3) The wiper blade of the present application also includes a partition perpendicular to the baffle and the bottom plate to increase the isolation effect of rust and further prevent the rust from falling.

[0051] In the present application, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0052] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0053] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0054] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0055] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. A coiling machine, characterized in that: include: Coiler body; A pinch assembly, located at the material-incoming side of the coiler body, and comprising an upper pinch roller and a lower pinch roller; The wiper is arranged at an angle, and the wiper includes a base plate and a baffle and a partition connected to the base plate. The end of the base plate is in contact with the roller surface of the upper pinch roller to scrape off the cooling water on the pinch roller. There are at least two baffles and two base plates, and the baffles and the partitions are arranged at intervals. The baffles, the partitions and the base plate together form a plurality of water collecting troughs. The baffles and / or the partitions are provided with openings for cooling water to flow. Each of the water collecting troughs is connected to at least one of the openings, and the openings are located on the side wall at the bottom of the water collecting trough.

2. The coiler according to claim 1, characterized in that: There are two baffles, which are spaced apart along the axial direction perpendicular to the upper pinch roller.

3. The coiler according to claim 1, characterized in that: The baffle is parallel to the axial direction of the upper pinch roller, and the baffle is provided with the opening, which is located on the side wall of the bottom in the water collecting trough formed by the baffle.

4. The coiler according to claim 3, characterized in that: A plurality of partitions are arranged at intervals along the axial direction of the upper pinch roller, and the partitions are perpendicular to the axial direction of the upper pinch roller.

5. The coiler according to claim 3, characterized in that: The partition is provided with the opening, and the opening of the partition is located at the connection between the partition and the baffle, and is close to the lower side wall of the water collecting tank.

6. The coiler according to claim 5, characterized in that: The cross-sectional shapes of the baffle opening and the partition opening are both semicircular.

7. The coiler according to claim 6, characterized in that: The hole edges of the baffle opening and the partition opening are close to the bottom plate.

8. The coiler according to any one of claims 1 to 3, characterized in that: The diameter of the opening is 30-40 mm, and the height of the partition plate and the baffle plate is 80-100 mm.

9. The coiler according to any one of claims 1 to 3, characterized in that: It comprises a scraper, and the scraper is arranged at the end of the bottom plate.

10. A hot rolling production line, characterized in that: Including the coiler described in any one of claims 1-9.

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