Temper mill for steel belt machining line and using method

Abstract

The invention relates to the field of metal processing equipment, in particular to a temper mill for a steel belt processing line, which comprises a mounting shell, a leveling roller, mounting plates, an inner pipe, an outer pipe, an extraction mechanism, a cleaning mechanism, a collection assembly, a shielding assembly and the like, the two sides of the front end of the mounting shell are connected with the mounting plates, the inner pipe is connected between the mounting plates, and the outer pipe is fixedly connected outside the inner pipe; an extraction mechanism used for extracting dust adhering to the surface of the steel belt is arranged in the outer pipe, a cleaning mechanism used for cleaning the steel belt is arranged outside the outer pipe, a collecting assembly used for collecting impurities is arranged in the inner pipe, and a shielding assembly used for sealing the collecting assembly is arranged on the collecting assembly. Impurities on the surface of a steel belt are brushed away through the brush head, and the brushed impurities and gas on the surface of the steel belt are sucked and collected through the extraction assembly and the collection assembly, so that the functions of efficient cleaning of the surface of the steel belt and centralized collection and treatment of the impurities are achieved, and finally the purposes of protecting a leveling roller and prolonging the service life of the leveling roller are achieved.

Description

Technical Field

[0001] The invention relates to the field of metal processing equipment, and in particular to a flattening machine used in a steel strip processing line and a use method thereof. Background Art

[0002] In modern industrial production, steel strips are used in many fields as an important raw material. During the production and processing of steel strips, their surface quality has a vital impact on the final performance and service life of the product. During the production process of steel strips, due to unavoidable factors such as rolling, cutting, and transportation, various defects will appear on the surface of the steel strips, such as wavy, curling, scratches, and iron oxide scale. These defects will reduce the mechanical properties and processing properties of the steel strips, and even cause quality problems such as breakage and deformation of the products during subsequent use. Therefore, steel strip leveling has become an indispensable part of the production and processing of steel strips. Through leveling, the unevenness and defects of the steel strip surface can be eliminated, the surface quality and mechanical properties of the steel strip can be improved, and a solid material foundation can be provided for subsequent processing and use.

[0003] At present, there are many kinds of steel strip leveling equipment on the market, among which the leveling machine is the most commonly used one. The leveling machine squeezes the steel strip through the leveling roller to make the surface of the steel strip smoother. The leveling roller is usually made of high-hardness alloy steel with excellent properties such as wear resistance and corrosion resistance. During the leveling process, huge pressure is generated between the leveling roller and the steel strip, causing plastic deformation on the surface of the steel strip, thereby achieving the purpose of leveling.

[0004] However, since the surface of the steel strip undergoes multiple processing steps, there may be various impurities and defects, such as debris generated when cutting the steel strip, dust in the air, and the iron oxide scale of the steel strip itself. These impurities will damage or contaminate the leveling roller when they come into contact with it. After a long period of work, the surface of the leveling roller will be worn, scratched, or even cracked, which will not only reduce the leveling effect, but also affect the service life of the leveling roller. Summary of the invention

[0005] In order to overcome the shortcomings of insufficient cleaning and impurity damage to the equipment, the present invention provides a leveling machine with a cleaning function for a steel strip processing line and a method of using the same.

[0006] A leveling machine for a steel strip processing line comprises an installation shell, a leveling roller, an installation component, and a power component. The installation shell is provided with the installation component and the power component. Two leveling rollers are rotatably connected in the installation shell through the installation component. The power component is used to drive the leveling roller. The installation shell also comprises a mounting plate, an inner tube, an outer tube, a sealing cover, an extraction mechanism, a cleaning mechanism, a collecting component and a shielding component. The installation shell is connected to both sides of the front end, two inner tubes are connected between the mounting plates, the outer tubes are fixedly connected to the outside of the inner tubes, sealing covers are provided on both sides of the installation plates, the sealing covers are snap-fitted with the outer tube, an extraction mechanism for extracting dust sticking to the surface of the steel strip is provided in the outer tube, a cleaning mechanism for cleaning the steel strip is provided outside the outer tube, a collecting component for collecting impurities is provided in the inner tube, a shielding component is provided on the collecting component, and the shielding component is used to close the collecting component.

[0007] Furthermore, the collecting component includes a placing square tube, a collecting frame and a limit pin. The placing square tube is connected inside the inner tube, the collecting frame is slidably connected inside the placing square tube, a limit hole is arranged in the sealing cover, the end of the collecting frame is slidably connected to the limit pin, and the limit pin is plugged into and matched with the limit hole.

[0008] Furthermore, the extraction mechanism includes a motor, an output shaft, a multi-section pulley group, a mounting tube, an air intake pipe, a mounting frame, fan blades, a drive shaft and a flat-top cone. The motor is mounted on a placement square tube, and a plurality of mounting tubes are connected to the placement square tube, and the mounting tube is communicated with the placement square tube. The top of the motor is connected to an output shaft, and the top of the mounting tube is connected to a mounting frame. The middle of the mounting frame is rotatably connected to a drive shaft. The output shaft and the plurality of drive shafts are connected through a multi-section pulley group. Fan blades are mounted on the drive shaft, and a flat-top cone is connected to the lower end of the drive shaft. The diameter of the lower end of the flat-top cone is smaller. One end of the air intake pipe is connected to the side of the mounting tube, and the inner tube and the outer tube pass through the middle of the air intake pipe, and the other end is close to the steel belt transported backward.

[0009] Furthermore, the cleaning mechanism includes a bevel gear group, a fixed block, a multi-section transmission gear shaft, a gear ring and a brush head. Several fixed blocks are connected to the outside of the inner tube. The fixed blocks are connected to the multi-section transmission gear shaft for rotation together. The end of the multi-section transmission gear shaft and the top of the output shaft are connected to a bevel gear group. The motor drives the multi-section transmission gear shaft through the output shaft and the bevel gear group. A gear ring is rotatably connected to the outer tube. The inner ring of the gear ring is meshed with the multi-section transmission gear shaft. Several brush heads are connected to the outer ring of the gear ring. The brush heads are in contact with the steel belt.

[0010] Furthermore, the shielding assembly includes a wedge block, a rack block, a roller, a guide rod, a transmission single wheel, a rotating shaft, a baffle and a torsion spring. The left end of the collection frame is connected to a wedge block, the left end of the inner tube is connected to a guide rod, the guide rod is slidably connected to two rack blocks, the adjacent side of the rack block is rotatably connected to a roller, the roller and the wedge block are squeezed and fitted, the front and rear sides of the placement square tube are rotatably connected to the rotating shaft, the left end of the rotating shaft is connected to a transmission single wheel, the transmission single wheel is meshed with the rack block, a number of baffles are connected to the rotating shaft, the baffles are in contact with the bottom of the mounting tube, a torsion spring is sleeved on the rotating shaft, one end of the torsion spring is connected to the rotating shaft, and the other end is connected to the placement square tube.

[0011] Furthermore, it also includes a filter screen, which is connected to the installation tube and is located below the fan blades.

[0012] Furthermore, it also includes a handle, and the right end of the collection frame is connected with the handle.

[0013] The use of the flattening machine for steel strip processing line, the specific operation steps are as follows:

[0014] S1. Turn on the leveling machine and let the steel strip pass through it;

[0015] S2, turn on the motor, the motor drives the fan blades through the multi-section pulley set, and the impurities are sucked in through the intake pipe. The motor drives the gear ring through the multi-section transmission gear shaft, and the impurities on the surface of the steel belt are cleaned by the brush head, cooperating with the intake pipe;

[0016] S3, impurities enter the installation tube through the air inlet pipe and fall into the collection frame. The staff opens the sealing cover, takes out the limit pin, pulls out the collection frame, and pours out the impurities inside. When the collection frame moves, the torsion spring rotates the baffle to seal the bottom of the installation tube;

[0017] S4. Push in the collection frame, twist the torsion spring, and continue to collect impurities.

[0018] Compared with the prior art, the beneficial effects of the present invention are:

[0019] 1. The impurities on the surface of the steel strip are brushed off by the brush head, and the impurities and gas on the surface of the steel strip are sucked in and collected through the extraction component and the collection component, thereby realizing the efficient cleaning of the surface of the steel strip and the centralized collection and treatment of impurities, and finally achieving the purpose of protecting the leveling roller and extending its service life.

[0020] 2. Through the cooperation of the shielding component and the collecting component, the bottom of the installation tube is automatically closed and opened during the process of pulling out and pushing in the collecting frame, so as to continuously collect impurities and maintain the normal operation of the leveling machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the internal structure of the present invention.

[0023] Figure 3 It is a schematic diagram of the installation structure of the outer tube and the cleaning mechanism of the present invention.

[0024] Figure 4 It is a cross-sectional view of the inner tube, outer tube and sealing cover of the present invention.

[0025] Figure 5 It is a schematic diagram of the connection relationship of the extraction mechanism of the present invention.

[0026] Figure 6 for Figure 5 Enlarged view of point A in the middle.

[0027] Figure 7 It is a schematic diagram of the connection relationship of the cleaning mechanism of the present invention.

[0028] Figure 8 It is a schematic diagram of the connection relationship between the collecting component and the shielding component of the present invention.

[0029] Fig. 9 It is a schematic diagram of the connection relationship among the collecting frame, the limiting pin and the handle of the present invention.

[0030] Fig.10 The figure is a schematic diagram of the connection relationship between the rack block, the transmission single wheel and the torsion spring of the present invention.

[0031] In the above figures: 1: mounting housing, 11: leveling roller, 12: mounting assembly, 13: power assembly, 2: mounting plate, 3: inner tube, 4: outer tube, 5: sealing cover, 6: extraction mechanism, 61: motor, 62: output shaft, 63: multi-section pulley set, 64: mounting tube, 65: intake pipe, 66: mounting frame, 67: fan blade, 68: transmission shaft, 69: flat-top cone, 610: filter screen, 7: cleaning machine Structure, 71: bevel gear set, 72: fixing block, 73: multi-section transmission gear shaft, 74: ring gear, 75: brush head, 8: collection component, 81: placement of square tube, 82: collection frame, 83: limit pin, 84: limit hole, 85: handle, 9: shielding component, 91: wedge block, 92: rack block, 93: roller, 94: guide rod, 95: transmission single wheel, 96: rotating shaft, 97: baffle, 98: torsion spring. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] Example: A flattening machine for a steel strip processing line, such as Figure 1-Figure 10 As shown, it includes an installation shell 1, a leveling roller 11, an installation component 12, and a power component 13. The installation shell 1 is provided with the installation component 12 and the power component 13. Two leveling rollers 11 are rotatably connected in the installation shell 1 through the installation component 12. Through the installation component 12, the distance between the two leveling rollers 11 can be adjusted, so as to level steel strips of different thicknesses. The power component 13 is used to drive the leveling roller 11. The two leveling rollers 11 rotate in opposite directions. It also includes a mounting plate 2, an inner tube 3, an outer tube 4, a sealing cover 5, an extraction mechanism 6, a cleaning mechanism 7, a collecting component 8 and a shielding component 9. The installation shell 1 is connected to the installation plates 2 on both sides of the front end, and two inner tubes 3 are connected between the installation plates 2. The outer tube 4 is fixedly connected to the inner tube 3. Sealing covers 5 are provided on both sides of the installation plate 2, and the sealing covers 5 are clamped with the outer tube 4 In coordination, an extraction mechanism 6 for extracting dust sticking to the surface of the steel belt is arranged in the outer tube 4. The extraction mechanism 6 mainly includes a mounting tube 64 and an air inlet pipe 65. The air inlet pipe 65 is close to the steel belt. When exhausting air, negative pressure is formed on the surface of the steel belt to suck in impurities on the surface of the steel belt. A cleaning mechanism 7 for cleaning the steel belt is arranged outside the outer tube 4. The cleaning mechanism 7 mainly includes a brush head 75. The rotating brush head 75 is in direct contact with the steel belt to brush off impurities on the surface of the steel belt. A collecting component 8 for collecting impurities is arranged in the inner tube 3. The collecting component 8 mainly includes a collecting frame 82. The sliding collecting frame 82 is used to collect impurities falling from the mounting tube 64. A shielding component 9 for closing the collecting component 8 is arranged on the collecting component 8. The shielding component 9 mainly includes a baffle 97. The baffle 97 is used to temporarily close the mounting tube 64 from the bottom to prevent impurities from falling.

[0034] like Figure 3 , Figure 5 , Figure 8 and Fig. 9 As shown, the collecting assembly 8 also includes a placing square tube 81, a limiting pin 83 and a handle 85. Each inner tube 3 is connected to a placing square tube 81. The collecting frame 82 is slidably connected in the placing square tube 81. Two limiting holes 84 are provided in the sealing cover 5. The end of the collecting frame 82 is slidably connected to the limiting pin 83. The limiting pin 83 is plugged into the limiting hole 84 of the sealing cover 5 and is an interference fit. A handle 85 is connected to the right end of the collecting frame 82.

[0035] like Figure 5 and Figure 6As shown, the extraction mechanism 6 also includes a motor 61, an output shaft 62, a multi-section pulley set 63, a mounting frame 66, a fan blade 67, a transmission shaft 68, a flat-top cone 69 and a fan blade 67. The motor 61 is installed on a placement square tube 81, and each placement square tube 81 is connected to eight mounting tubes 64. The eight mounting tubes 64 are located on the same straight line, and the bottoms of all mounting tubes 64 are connected to the placement square tube 81. The top of the motor 61 is connected to the output shaft 62, and the top of the mounting tube 64 is connected to the mounting frame 66. The middle of the mounting frame 66 is rotatably connected to the transmission shaft 68, and the output shaft 62 and The transmission shafts 68 are connected through a multi-section pulley set 63, which is composed of pulleys and belts that transmit power to each other. Fan blades 67 are installed on the transmission shaft 68, and a flat-top cone 69 is connected to the lower end of the transmission shaft 68. The diameter of the lower end of the flat-top cone 69 is smaller. One end of the air intake pipe 65 is connected to the side of the mounting tube 64. The middle of the air intake pipe 65 passes through the inner tube 3 and the outer tube 4. The other end is close to the steel belt transported backward and is funnel-shaped, which is used to increase the air intake area. A filter screen 610 is connected inside the mounting tube 64, and the filter screen 610 is located below the fan blades 67.

[0036] like Figure 7 As shown, the cleaning mechanism 7 also includes a bevel gear set 71, a fixed block 72, a multi-section transmission gear shaft 73 and a gear ring 74. Fourteen fixed blocks 72 are connected to the top of each inner tube 3. The multi-section transmission gear shaft 73 is rotatably connected to all the fixed blocks 72. Seven gears are arranged on each multi-section transmission gear shaft 73. Two fixed blocks 72 are arranged on both sides of each gear. The end of the multi-section transmission gear shaft 73 and the top of the output shaft 62 are jointly connected with a bevel gear set 71. The motor 61 drives the multi-section transmission gear shaft 73 through the output shaft 62 and the bevel gear set 71. Seven gear rings 74 are rotatably connected to the outer tube 4. The inner ring of each gear ring 74 is meshed with the gear of the multi-section transmission gear shaft 73. Ten brush heads 75 are connected to the outer ring of the gear ring 74. The brush heads 75 are in contact with the steel belt. The design makes the brush heads 75 on two adjacent gear rings 74 staggered.

[0037] like Figure 8 and Fig.10As shown, the shielding assembly 9 also includes a wedge block 91, a rack block 92, a roller 93, a guide rod 94, a transmission single wheel 95, a rotating shaft 96 and a torsion spring 98. The left end of the collecting frame 82 is connected to the wedge block 91, and two guide rods 94 are connected to the left end of the inner tube 3. The guide rod 94 is slidably connected to two rack blocks 92. The adjacent side of the two rack blocks 92 is rotatably connected to the roller 93. The roller 93 is extruded and matched with the wedge block 91. The front and rear sides of the placement square tube 81 are rotatably connected to the rotating shaft 96. The left end of the rotating shaft 96 is connected to the transmission single wheel 95, and the transmission single wheel 95 is meshed with the rack block 92. Eight baffles 97 are connected to the rotating shaft 96. The baffle 97 is in contact with the bottom of the mounting tube 64. A torsion spring 98 is sleeved on the rotating shaft 96. One end of the torsion spring 98 is connected to the rotating shaft 96, and the other end is connected to the placement square tube 81.

[0038] The staff turns on the power assembly 13 to drive the leveling roller 11 to rotate, thereby leveling the steel strip passing through. Before the steel strip contacts the leveling roller 11, the impurities on the surface are scraped off by the brush head 75 of the cleaning assembly, and are sucked into the collection frame 82 of the collection assembly 8 through the air inlet pipe 65 of the extraction assembly. During the operation of the leveling roller 11, the collection frame 82 can also be pulled out to clean the impurities inside. When the collection frame 82 is pulled out, the baffle 97 of the shielding assembly 9 will block the impurities from falling from the mounting tube 64. After the collection frame 82 is inserted, the shielding assembly 9 is opened again, thereby continuing to work to ensure the cleaning of the steel strip, thereby protecting the leveling roller 11 from damage.

[0039] After the motor 61 is turned on, the motor 61 drives all the transmission shafts 68 through the output shaft 62 and the multi-section pulley group 63. The multi-section pulley group 63 is composed of a plurality of pulleys and belts connected to each other. Except for the transmission shaft 68 at the end, each transmission shaft 68 is connected to two pulleys. The transmission shaft 68 drives the fan blades 67 to rotate, thereby extracting the gas in the installation tube 64. The gas flows to the installation tube 64 along the air inlet pipe 65, thereby collecting the gas on the surface of the steel belt. The impurities cleaned by the brush head 75 follow the flowing gas into the air inlet pipe 65 and then enter the installation tube 64. The gas passes through the filter screen 610, and the impurities are blocked by the filter screen 610. Moreover, the impurities entering the installation tube 64 fall downward into the collection frame 82 after hitting the flat-top cone 69. The air inlet pipe 65 and the brush head 75 are provided on the top and bottom of the steel belt, thereby cleaning the steel belt on both sides to protect the leveling roller 11.

[0040] The output shaft 62 of the motor 61 drives the multi-section transmission gear shaft 73 to rotate through the bevel gear set 71. The bevel gear set 71 is two bevel gears meshing with each other. The multi-section transmission gear shaft 73 is provided with multiple gears, each gear meshing with a gear ring 74, so that the multi-section transmission gear shaft 73 drives multiple gear rings 74 to rotate. Multiple brush heads 75 are connected to the outside of the gear ring 74, so that the brush heads 75 continuously clean the surface of the steel belt and brush off impurities on the surface, such as oxide scale debris, dust, etc. The brushed impurities follow the air flow into the intake pipe 65 and are collected by the collection frame 82;

[0041] When cleaning the collection frame 82, the sealing cover 5 is opened, the limiting pin 83 inserted in the limiting hole 84 is taken out, and the collection frame 82 is pulled out through the handle 85 on the side of the collection frame 82. When the collection frame 82 moves outward, the baffle 97 upwardly blocks the installation tube 64 to prevent impurities from falling. Therefore, after the staff pulls out the collection frame 82, they dump the impurities collected inside and push it back into the placement square tube 81. When the collection frame 82 is completely pushed into the placement square tube 81 and the wedge block 91 re-matches with the roller 93, the baffle 97 is reset through the transmission mechanism to allow impurities to continue to fall into the collection frame 82.

[0042] When the collecting frame 82 moves outward, the wedge block 91 is separated from the roller 93 assembly, the torsion spring 98 is twisted, and the rotating shaft 96 rotates while causing the baffles 97 on both sides to rotate toward the middle. The rotating shaft 96 drives the transmission single wheel 95 to rotate, and the transmission single wheel 95 causes the rack blocks 92 on both sides to move toward the middle. The roller 93 is still in contact with the wedge block 91. As the collecting frame 82 moves, the wedge block 91 is completely separated from the roller 93. At this time, the torsion spring 98 causes the rotating shaft 96 to rotate 90 degrees. After the two baffles 97 rotate 90 degrees, they are in contact with the bottom of the mounting tube 64 to prevent impurities from falling. The baffles 97 do not affect the collection frame 82 from being pulled out to place the square tube 81, and the collection During the pushing process of the frame 82, the horizontal baffle 97 will not block the collecting frame 82. When the collecting frame 82 completely enters the placement square tube 81, the wedge block 91 is squeezed and matched with the roller 93, and the rack blocks 92 on both sides are pushed by the roller 93 to slide along the guide rod 94, thereby driving the transmission single wheel 95 to rotate. The transmission single wheel 95 rotates the rotational force toward the rotating shaft 96, twisting the torsion spring 98 and rotating the baffle 97 at the same time. The baffle 97 is separated from the bottom of the mounting tube 64, and after rotating 90 degrees, it fits on the side of the collecting frame 82. The blocked impurities fall into the collecting frame 82, and the fixed collecting frame 82 can also stabilize the state of the baffle 97 and continue to collect impurities.

[0043] When the leveling machine is started, the power assembly 13 drives the leveling roller 11 to rotate and level the passing steel strip. Prior to this, the motor 61 synchronously drives a series of transmission shafts 68 through a multi-section pulley set 63, and the fan blades 67 on these transmission shafts 68 rotate accordingly, generating suction, and sucking the gas and impurities on the surface of the steel strip through the air intake pipe 65. At the same time, the output shaft 62 of the motor 61 is also connected to the multi-section transmission gear shaft 73 via a bevel gear set 71. The multiple gears on the shaft are respectively engaged with the ring gear 74, driving the ring gear 74 and the brush head 75 thereon to rotate. The brush head 75 is in close contact with the surface of the steel strip, effectively brushing off impurities such as oxide scale debris and dust. These brushed impurities enter the air intake pipe 65 with the air flow, and then fall into the collection frame 82 through the mounting tube 64. The filter 610 in the mounting tube 64 effectively intercepts the impurities to ensure smooth discharge of the gas. The collection frame 82 is designed to facilitate replacement and cleaning. It is fixed to the placement square tube 81 by the stop pin 83. When the collection frame 82 is pulled out, the wedge block 91 and the roller 93 assembly are separated, triggering the torsion spring 98 to drive the rotating shaft 96 to rotate, so that the baffle 97 rotates to the position of closing the bottom of the installation tube 64 to prevent impurities from scattering. When the collection frame 82 is pushed back into place, the wedge block 91 cooperates with the roller 93 again, and the baffle 97 is reset through the transmission mechanism, allowing new impurities to fall into the collection frame 82.

[0044] The method of using the flattening machine for steel strip processing line, the specific steps are as follows:

[0045] S1. Turn on the leveling machine and let the steel strip pass through it;

[0046] S2, turn on the motor 61, the motor 61 drives the fan blade 67 through the multi-section pulley set 63, sucks impurities through the air intake pipe 65, the motor 61 drives the gear ring 74 through the multi-section transmission gear shaft 73, cleans impurities on the surface of the steel belt through the brush head 75, and cooperates with the air intake pipe 65 to work;

[0047] S3, impurities enter the installation tube 64 through the air inlet pipe 65 and fall into the collection frame 82. The staff opens the sealing cover 5, takes out the limit pin 83, pulls out the collection frame 82, and pours out the impurities inside. When the collection frame 82 moves, the torsion spring 98 rotates the baffle 97 to close the bottom of the installation tube 64;

[0048] S4, push the collecting frame 82 in, twist the torsion spring 98, and continue to collect impurities.

[0049] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A leveling machine for a steel strip processing line, comprising a mounting housing (1), a leveling roller (11), a mounting assembly (12), and a power assembly (13), wherein the mounting housing (1) is provided with the mounting assembly (12) and the power assembly (13), wherein two leveling rollers (11) are rotatably connected in the mounting housing (1) via the mounting assembly (12), and the power assembly (13) is used to drive the leveling rollers (11), and wherein the leveling rollers (11) are characterized in that: The invention also comprises a mounting plate (2), an inner tube (3), an outer tube (4), a sealing cover (5), an extraction mechanism (6), a cleaning mechanism (7), a collection component (8) and a shielding component (9). The mounting plates (2) are connected to both sides of the front end of the mounting shell (1). Two inner tubes (3) are connected between the mounting plates (2). The outer side of the inner tube (3) is fixedly connected to the outer side of the outer tube (4). Sealing covers (5) are arranged on both sides of the mounting plate (2). The sealing covers (5) are engaged with the outer tube (4). An extraction mechanism (6) for extracting dust sticking to the surface of the steel strip is arranged inside the outer tube (4). A cleaning mechanism (7) for cleaning the steel strip is arranged outside the outer tube (4). A collection component (8) for collecting impurities is arranged inside the inner tube (3). A shielding component (9) is arranged on the collection component (8). The shielding component (9) is used to seal the collection component (8).

2. The flattening machine for a steel strip processing line according to claim 1, characterized in that: The collecting assembly (8) comprises a placing square tube (81), a collecting frame (82) and a limiting pin (83); the placing square tube (81) is connected inside the inner tube (3); the placing square tube (81) is slidably connected inside the collecting frame (82); a limiting hole (84) is arranged inside the sealing cover (5); the end of the collecting frame (82) is slidably connected to the limiting pin (83); and the limiting pin (83) is plugged into and matched with the limiting hole (84).

3. The flattening machine for a steel strip processing line according to claim 2, characterized in that: The extraction mechanism (6) comprises a motor (61), an output shaft (62), a multi-section pulley group (63), a mounting tube (64), an air intake pipe (65), a mounting frame (66), a fan blade (67), a transmission shaft (68) and a flat-top cone (69); the motor (61) is mounted on a placement square tube (81); a plurality of mounting tubes (64) are connected to the placement square tube (81); the mounting tubes (64) are connected to the placement square tube (81); the output shaft (62) is connected to the top of the motor (61); the mounting tube (64) is connected to the top of the mounting tube (64); The mounting frame (66) is provided with a transmission shaft (68) which is rotatably connected in the middle of the mounting frame (66). The output shaft (62) and a plurality of transmission shafts (68) are connected to each other through a multi-section pulley group (63). A fan blade (67) is installed on the transmission shaft (68). A flat-topped cone (69) is connected to the lower end of the transmission shaft (68). The lower end of the flat-topped cone (69) has a smaller diameter. One end of an air intake pipe (65) is connected to the side of the mounting pipe (64). The air intake pipe (65) passes through the inner pipe (3) and the outer pipe (4) in the middle, and the other end is close to the steel belt transported backward.

4. The flattening machine for a steel strip processing line according to claim 3, characterized in that: The cleaning mechanism (7) comprises a bevel gear set (71), a fixed block (72), a multi-section transmission gear shaft (73), a gear ring (74) and a brush head (75). The outer side of the inner tube (3) is connected with a plurality of fixed blocks (72). The fixed blocks (72) are connected to the multi-section transmission gear shaft (73) for common rotation. The end of the multi-section transmission gear shaft (73) and the top of the output shaft (62) are connected with a bevel gear set (71). The motor (61) drives the multi-section transmission gear shaft (73) through the output shaft (62) and the bevel gear set (71). The outer tube (4) is connected with a gear ring (74) for rotation. The inner ring of the gear ring (74) is meshed with the multi-section transmission gear shaft (73). The outer ring of the gear ring (74) is connected with a plurality of brush heads (75). The brush heads (75) are in contact with the steel belt.

5. The flattening machine for a steel strip processing line according to claim 4, characterized in that: The shielding assembly (9) comprises a wedge block (91), a rack block (92), a roller (93), a guide rod (94), a transmission single wheel (95), a rotating shaft (96), a baffle (97) and a torsion spring (98). The left end of the collecting frame (82) is connected with the wedge block (91), the left end of the inner tube (3) is internally connected with the guide rod (94), the guide rod (94) is slidably connected with two rack blocks (92), the adjacent side of the rack block (92) is rotatably connected with the roller (93), and the roller (93) and the wedge block are rotatably connected. The block (91) is pressed and matched, and a rotating shaft (96) is rotatably connected to the front and rear sides of the placement square tube (81). The left end of the rotating shaft (96) is connected to a transmission single wheel (95), and the transmission single wheel (95) is meshed with the rack block (92). A plurality of baffles (97) are connected to the rotating shaft (96), and the baffles (97) are in contact with the bottom of the installation tube (64). A torsion spring (98) is sleeved on the rotating shaft (96), and one end of the torsion spring (98) is connected to the rotating shaft (96), and the other end is connected to the placement square tube (81).

6. The flattening machine for a steel strip processing line according to claim 5, characterized in that: It also includes a filter screen (610), which is connected to the installation pipe (64) and is located below the fan blade (67).

7. The flattening machine for a steel strip processing line according to claim 6, characterized in that: It also includes a handle (85), and the right end of the collection frame (82) is connected to the handle (85).

8. According to the method for using the flattening machine for a steel strip processing line according to claims 1-7, the specific operating steps are as follows: S1. Turn on the leveling machine and let the steel strip pass through it; S2, turning on the motor (61), the motor (61) drives the fan blade (67) through the multi-section pulley set (63), sucking impurities through the air intake pipe (65), the motor (61) drives the gear ring (74) through the multi-section transmission gear shaft (73), and cleans impurities on the surface of the steel belt through the brush head (75), cooperating with the air intake pipe (65); S3, impurities enter the installation tube (64) through the air inlet pipe (65) and fall into the collection frame (82). The staff opens the sealing cover (5), takes out the limit pin (83), pulls out the collection frame (82), and pours out the impurities inside. When the collection frame (82) moves, the torsion spring (98) rotates the baffle (97) to seal the bottom of the installation tube (64); S4, push the collecting frame (82), twist the torsion spring (98), and continue to collect impurities.

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