Floating type drying furnace and strip steel production line

Abstract

The utility model discloses a floating type drying furnace and a strip steel production line. The technical problem that in the prior art, a deviation rectifying roller of a floating type drying furnace is insufficient in deviation rectifying capacity is solved. Comprising a furnace body, deviation rectifying rollers, a supporting unit and a twisting unit. The furnace body is provided with a containing cavity. Two ends of a roller shaft of the deviation rectifying roller extend out of the accommodating cavity; the supporting unit comprises a first supporting piece and a first supporting seat which are connected through a first bearing, and the first supporting piece is connected with one end of the deviation rectifying roller shaft; the torsion unit comprises a sliding frame, a sliding part slidably connected to the sliding frame and a driving device, the sliding part is connected to the other end of the deviation rectifying roller shaft, and the driving device is connected to the sliding part so that the sliding part can reciprocate in the preset moving direction of the strip steel. One end, connected with the sliding part, of the roller shaft of the deviation rectifying roller reciprocates in the preset moving direction of the strip steel to assist the deviation rectifying roller in deflecting, so that the deflection angle of the deviation rectifying roller is increased, the deviation rectifying capacity of the deviation rectifying roller is improved, and the deflected steel billet returns to the normal position.

Description

Technical Field

[0001] The present application belongs to the technical field of steel production equipment, and specifically relates to a floating drying furnace and a strip steel production line. Background Art

[0002] Floating drying furnace is a thermal equipment widely used in metallurgical plants to dry steel strip.

[0003] In the prior art, when a floating drying furnace is in use, the steel billet on the roller table will deviate. At this time, the correction roller in the furnace needs to correct the deviation so that the steel billet can pass normally. However, in the traditional process, the movement of the correction roller is only about 10 mm, which cannot meet the correction capacity. The steel billet is still in a deflected state, affecting the drying effect of the steel billet. Summary of the invention

[0004] In order to solve the technical problem that the correcting ability of the correcting roller of the current floating drying furnace is insufficient, the present application provides a floating drying furnace and a strip steel production line.

[0005] In a first aspect of the present application, a floating drying furnace is provided, comprising a furnace body, a deviation-correcting roller, a supporting unit and a twisting unit.

[0006] The furnace body is provided with a containing cavity;

[0007] The deflection-correcting roller is located in the accommodating cavity, and both ends of the roller shaft of the deflection-correcting roller extend out of the accommodating cavity;

[0008] The support unit comprises a first support member and a first support seat connected by a first bearing, wherein the first support member is connected to one end of the roller shaft of the deviation correction roller;

[0009] The torsion unit includes a slide, a sliding member slidably connected to the slide, and a driving device. The sliding member is connected to the other end of the roller shaft of the deviation correction roller, and the driving device is connected to the sliding member to enable the sliding member to reciprocate along a preset moving direction of the strip.

[0010] In some embodiments, the slide is a curved slide.

[0011] In some embodiments, the slide is provided with a mounting portion, and the mounting portion is detachably connected to the furnace wall.

[0012] In some embodiments, two mounting portions are provided, respectively connected to two ends of the slide along the extension direction of the slide.

[0013] In some embodiments, the sliding member is connected to the other end of the roller shaft of the deviation correction roller via a second bearing.

[0014] In some embodiments, the driving device includes a telescopic cylinder, and a telescopic end of the telescopic cylinder is connected to the sliding member.

[0015] In some embodiments, the driving device includes a second support member, and the second support member is hinged to the fixed end of the telescopic cylinder.

[0016] In some embodiments, two first bearings are provided and are spaced apart from each other along a direction perpendicular to a preset moving direction of the steel strip.

[0017] In some embodiments, the first support member is connected to one end of the roller shaft of the deviation correction roller through a third bearing.

[0018] In a second aspect of the present application, a strip steel production line is provided, comprising an uncoiler, a welder, an annealing furnace, a coating machine, the floating drying furnace and a coiler which are arranged in sequence according to the process.

[0019] According to the floating drying furnace provided in the embodiment of the present application, it includes a furnace body, a deflection correction roller, a support unit and a torsion unit; the furnace body is provided with a accommodating cavity; the deflection correction roller is located in the accommodating cavity, and both ends of the roller shaft of the deflection correction roller extend out of the accommodating cavity; the support unit includes a first support member and a first support seat connected by a first bearing, and the first support member is connected to one end of the roller shaft of the deflection correction roller; the torsion unit includes a slide, a sliding member slidably connected to the slide, and a driving device, the sliding member is connected to the other end of the roller shaft of the deflection correction roller, and the driving device is connected to the sliding member, so that the sliding member moves back and forth along the preset moving direction of the strip.

[0020] Compared with the prior art, the present application provides a support unit at one end of the correction roller shaft and a torsion unit at the other end. The driving device of the torsion unit drives the sliding member to move back and forth along the preset moving direction of the strip, so that one end of the correction roller shaft connected to the sliding member moves back and forth along the preset moving direction of the strip to assist the deflection of the correction roller, thereby increasing the deflection angle of the correction roller, and further increasing the correction capacity of the correction roller, so that the deflected billet returns to its normal position. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The structure front view of the floating drying furnace in the embodiment of the present application is shown.

[0022] Figure 2 A top view of the structure of a floating drying furnace in an embodiment of the present application is shown.

[0023] Figure 3 A front view of a support unit in an embodiment of the present application is shown.

[0024] Figure 4 A side view of a support unit in an embodiment of the present application is shown.

[0025] Figure 5A top view of a support unit in an embodiment of the present application is shown.

[0026] Description of reference numerals:

[0027] 100. Furnace body;

[0028] 200, deviation correction roller;

[0029] 300, support unit;

[0030] 310, first support member; 320, first support seat; 330, first bearing;

[0031] 400, torsion unit;

[0032] 410, carriage; 420, sliding member; 430, driving device;

[0033] 431. Telescopic cylinder; 432. Second supporting member. DETAILED DESCRIPTION

[0034] 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.

[0035] The first embodiment of the present application provides a floating drying furnace to improve the deviation correction capability of the internal deviation correction roller 200 .

[0036] See also Figure 1 as well as Figure 2 , the floating drying furnace provided in the embodiment of the present application includes a furnace body 100, a deviation-correcting roller 200, a supporting unit 300 and a twisting unit 400;

[0037] The furnace body 100 is provided with a receiving cavity;

[0038] The deflection correction roller 200 is located in the accommodating cavity, and both ends of the roller shaft of the deflection correction roller 200 extend out of the accommodating cavity; in some embodiments, the deflection correction roller 200 is located in the furnace body 100, and the deflection correction roller 200 is provided with a roller shaft, and both ends of the roller shaft extend out of the furnace body 100;

[0039] The support unit 300 includes a first support member 310 and a first support seat 320 connected by a first bearing 330, and the first support member 310 is connected to one end of the roller shaft of the correcting roller 200; in some embodiments, the first support member 310 is provided with a through hole to connect the roller shaft of the correcting roller 200. In some embodiments, the top of the first support member 310 is connected to the roller shaft of the correcting roller 200, and the bottom is connected to the first support seat 320. In some embodiments, the first support seat 320 and the first support member 310 are connected by a first bearing 330, and the first support member 310 can rotate in a direction perpendicular to a preset moving direction of the strip.

[0040] The torsion unit 400 includes a slide 410, a sliding member 420 slidably connected to the slide 410, and a driving device 430. The sliding member 420 is connected to the other end of the roller shaft of the deviation correction roller 200, and the driving device 430 is connected to the sliding member 420 so that the sliding member 420 can reciprocate along the preset moving direction of the strip. In some embodiments, the slide 410 is provided with a mounting groove, the sliding member 420 is provided with a mounting portion, and the slide 410 and the sliding member 420 are slidably connected. In some embodiments, the driving device 430 is provided on the outer side of the slide 410 along the preset moving direction of the strip. In some embodiments, the driving device 430 is connected to the sliding member 420 close to the side of the strip.

[0041] In some embodiments, the slide 410 is an arc-shaped slide 410 so that the deviation-correcting roller 200 rotates with the support unit 300 as the center. In some embodiments, the arc is a section of a circle, and the center is the center of the hole through which the sliding member 420 passes.

[0042] In some embodiments, the slide 410 is provided with a mounting portion, which is detachably connected to the furnace wall to fix the slide 410. In some embodiments, the mounting portion is a mounting plate, which is bolted to the furnace wall.

[0043] In some embodiments, two mounting parts are provided, which are respectively connected to the two ends of the slide 410 along the extension direction of the slide 410 to further fix the slide 410 and ensure the stability of the slide 410. In some embodiments, mounting parts are provided at both ends of the slide 410, and the mounting parts are bolted to the furnace wall.

[0044] In some embodiments, the sliding member 420 is connected to the other end of the roller shaft of the correcting roller 200 through a second bearing so that the correcting roller 200 can rotate relative to the sliding member 420. In some embodiments, a second bearing is provided between the sliding member 420 and the roller shaft of the correcting roller 200.

[0045] In some embodiments, the driving device 430 includes a telescopic cylinder 431, the telescopic end of the telescopic cylinder 431 is connected to the sliding member 420 to drive the sliding member 420. In some embodiments, a fork is provided at the top of the telescopic end of the telescopic cylinder 431, and the fork bolt is connected to the sliding member 420 to drive the sliding member 420 to reciprocate along the extension direction of the slide 410. In some embodiments, a fork is provided at the top of the telescopic end of the telescopic cylinder 431, and the fork fixing pin is connected to the sliding member 420 to drive the sliding member 420 to reciprocate along the moving direction of the steel billet.

[0046] In some embodiments, the driving device 430 includes a second support member 432 , which is connected to the telescopic cylinder 431 . In some embodiments, the second support member 432 is hinged to a fixed end of the telescopic cylinder 431 to support the second support member 432 .

[0047] In some embodiments, the telescopic cylinder 431 is an electric cylinder, and the second support member 432 is hinged to the fixed end of the electric cylinder. In some embodiments, the electric rod of the electric cylinder can reciprocate along the moving direction of the steel billet.

[0048] In some embodiments, two first bearings 330 are provided and are spaced apart in a direction perpendicular to a preset moving direction of the steel strip. In some embodiments, the first bearings 330 are disposed up and down to assist the first support member 310 in rotating.

[0049] In some embodiments, the first support member 310 is connected to one end of the roller shaft of the deviation correction roller 200 through a third bearing to assist the rotation of the roller shaft. In some embodiments, a third bearing is provided between the first support member 310 and the roller shaft of the deviation correction roller 200. In some embodiments, the first support member 310 is located inside the first support seat 320. In some embodiments, the first support seat 320 is sleeved outside the first support member 310.

[0050] The second embodiment of the present application provides a strip steel production line to improve the deviation correction capability of the internal deviation correction roller 200 .

[0051] The strip steel production line provided in the embodiment of the present application includes: a uncoiler, a welding machine, an annealing furnace, a coating machine, a floating drying furnace and a coiler, which are arranged in sequence according to the process.

[0052] The following is a detailed description of the use of the floating drying furnace of the present application:

[0053] During the operation of the floating drying furnace, the correcting roller 200 is required to correct the deflected strip to ensure that the strip moves along the preset moving direction. When the correcting ability of the correcting roller 200 is insufficient, the electric cylinder is driven to operate so that the fork of the electric cylinder moves back and forth along the preset moving direction of the strip, driving the sliding member 420 connected to the fork of the electric cylinder to move back and forth along the extension direction of the slide 410, thereby driving the correcting roller 200 to rotate with the connection point of the roller shaft of the correcting roller 200 and the first support member 310 as the center of the circle, so as to enhance the correcting ability of the correcting roller 200 and assist the strip to move to a normal position.

[0054] The floating drying furnace and strip steel production line of the present application have at least the following advantages:

[0055] (1) The present application includes a furnace body, a deflection correction roller, a support unit and a torsion unit; the furnace body is provided with a accommodating cavity; the deflection correction roller is located in the accommodating cavity, and both ends of the deflection correction roller shaft extend out of the accommodating cavity; the support unit includes a first support member and a first support seat connected by a first bearing, and the first support member is connected to one end of the deflection correction roller shaft; the torsion unit includes a slide, a sliding member slidably connected to the slide, and a driving device, the sliding member is connected to the other end of the deflection correction roller shaft, and the driving device is connected to the sliding member so that the sliding member reciprocates along the preset moving direction of the strip; compared with the prior art, the present application is provided with a support unit at one end of the deflection correction roller shaft and a torsion unit at the other end, and the driving device of the torsion unit drives the sliding member to reciprocate along the preset moving direction of the strip, so that one end of the deflection correction roller shaft connected to the sliding member reciprocates along the preset moving direction of the strip, so as to assist the deflection of the deflection correction roller, so that the deflection angle of the deflection correction roller is increased, thereby increasing the deflection correction ability of the deflection correction roller, so that the deflected billet returns to its normal position.

[0056] (2) By setting up a slide, it is ensured that the sliding member slidably connected to the slide can move back and forth along the fixed track, thereby ensuring the deflection position of the correction roller, which is convenient for operation and adjustment.

[0057] 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.

[0058] 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.

[0059] 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.

[0060] 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.

[0061] 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 floating drying furnace, characterized in that: include: The furnace body is provided with a containing cavity; A deviation-correcting roller is located in the accommodating cavity, and two ends of the roller shaft of the deviation-correcting roller extend out of the accommodating cavity; A support unit, comprising a first support member and a first support seat connected by a first bearing, wherein the first support member is connected to one end of the roller shaft of the deviation correction roller; The torsion unit comprises a slide, a sliding member slidably connected to the slide and a driving device, wherein the sliding member is connected to the other end of the roller shaft of the deviation correction roller, and the driving device is connected to the sliding member so that the sliding member reciprocates along the preset moving direction of the strip.

2. The floating drying furnace according to claim 1, characterized in that: The slide is an arc-shaped slide.

3. The floating drying furnace according to claim 1, characterized in that: The slide frame is provided with a mounting portion, and the mounting portion is detachably connected to the furnace wall.

4. The floating drying furnace according to claim 3, characterized in that: The mounting parts are provided with two and are respectively connected to two ends of the slide along the extending direction of the slide.

5. The floating drying furnace according to any one of claims 1 to 4, characterized in that: The sliding member is connected to the other end of the roller shaft of the deviation correction roller through a second bearing.

6. The floating drying furnace according to any one of claims 1 to 4, characterized in that: The driving device comprises a telescopic cylinder, and a telescopic end of the telescopic cylinder is connected to the sliding member.

7. The floating drying furnace according to claim 6, characterized in that: The driving device comprises a second support member, and the second support member is hinged to the fixed end of the telescopic cylinder.

8. The floating drying furnace according to any one of claims 1 to 4, characterized in that: There are two first bearings, which are spaced apart and perpendicular to the preset moving direction of the strip steel.

9. The floating drying furnace according to any one of claims 1 to 4, characterized in that: The first support member is connected to one end of the roller shaft of the deviation correction roller through a third bearing.

10. A strip steel production line, characterized in that: Including the following settings in order of process: Unwinding machine; welder; Annealing furnace; Coating machine; The floating drying furnace according to any one of claims 1 to 9; Coiler.

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