A sawing device for flat steel processing and forming

Abstract

The present invention relates to the technical field of steel cutting equipment, and specifically discloses a sawing device for flat steel processing and forming, comprising a main structure, a first limiting structure, a second limiting structure and two pairs of conveying components, the first limiting structure is fixedly arranged on the main structure, the second limiting structure is fixedly arranged on the main structure, and the second limiting structure is located in the middle of the first limiting structure, and the two pairs of conveying components are symmetrically arranged on the first limiting structure; the first limiting structure is used for limiting flat steels of different widths and larger widths, and the second limiting structure can cooperate with the first limiting structure to be used for limiting flat steels of different widths and smaller widths, and form double-station processing. The present invention has a double-station processing design, an adjustable limiting structure, and automatic conveying. Rolling friction reduces energy consumption and wear, and the equipment has high compatibility, which can realize the simultaneous processing of flat steels and plates of different specifications, improve equipment utilization, reduce equipment wear, reduce conveying energy consumption, and extend service life.

Description

Technical Field

[0001] The invention relates to the technical field of steel cutting equipment, in particular to a sawing device for flat steel processing and forming. Background Art

[0002] Flat steel is a type of steel with a rectangular cross-section. It is a type of steel section and is widely used in construction, machinery manufacturing, bridges, vehicles and other fields. During processing, flat steel is cut into different lengths and steel of different widths according to different uses. Existing steel cutting mostly uses cutting wheels to saw steel, and the steel needs to be moved manually after cutting, which has low cutting efficiency, poor compatibility with steel of different widths, and low applicability. Summary of the Invention

[0003] The object of the present invention is to provide a sawing device for flat steel processing and shaping, so as to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a sawing device for processing and forming flat steel, comprising a main structure, a first limiting structure, a second limiting structure and two pairs of conveying components, wherein the first limiting structure is fixedly arranged on the main structure, the second limiting structure is fixedly arranged on the main structure, and the second limiting structure is located in the middle of the first limiting structure, and the two pairs of conveying components are symmetrically arranged on the first limiting structure; the first limiting structure is used for limiting flat steels of different widths and larger widths, the second limiting structure can cooperate with the first limiting structure, and is used for limiting flat steels of different widths and smaller widths, and forms double-station processing, and the conveying components are used to apply force to and convey the flat steels on the first limiting structure and the second limiting structure.

[0005] Preferably, the first limiting structure includes a width-adjusting slide rail, a pair of support frames, a plurality of first cross arms and a plurality of first limiting components; the width-adjusting slide rail is fixedly arranged on the main structure, and relatively movable seats are symmetrically arranged on the width-adjusting slide rail, a pair of support frames are symmetrically arranged on the movable seats of the width-adjusting slide rail, a plurality of first cross arms are symmetrically arranged on the two ends of the top of the support frame, and a plurality of first limiting components are equidistantly arranged on the two ends of the first cross arm.

[0006] Preferably, the first limiting components are arranged in series relative to each other via a first transverse arm, and a plurality of the first limiting components are respectively arranged relative to each other.

[0007] Preferably, the second limiting structure includes a pair of first hydraulic cylinders, a pair of lifting frames and a number of second limiting components; the pair of the first hydraulic cylinders are respectively arranged on the main structure, and the first hydraulic cylinders are symmetrically located on the left and right sides of the middle of the width-adjusting slide rail, the pair of lifting frames are both H-shaped and have four ends, the pair of lifting frames are respectively symmetrically arranged on the telescopic ends of the first hydraulic cylinders, and the lifting frames can be located below the first cross arm, and the number of the second limiting components are respectively arranged in opposite directions on the two ends of the lifting frames, the second limiting components have the same structure as the first limiting components, and the second limiting components are respectively opposite to the first limiting components on the first cross arm.

[0008] Preferably, the second limiting assembly includes a limiting seat, a pair of first guide rollers and a second guide roller; the limiting seat is concave, and the pair of first guide rollers are movably embedded in the middle of the upper and lower ends of the limiting seat, and the second guide roller is movably embedded in the middle of the limiting seat, and the second guide roller is located between the first guide rollers.

[0009] Preferably, the conveying assembly includes a second hydraulic cylinder, a wheel seat, a power rod, a machine base, a conveying rubber roller, a motor, a pair of pulleys and a transmission belt; one end of the second hydraulic cylinder is fixedly arranged on the bottom end of the support frame, the wheel seat is L-shaped, one end of the wheel seat is fixedly arranged on the telescopic end of the second hydraulic cylinder, and the other end of the wheel seat is located between the first cross arm and the lifting frame, the wheel seat is located below the first cross arm, one end of the power rod is fixedly arranged on the upper wall of the wheel seat, and the other end of the power rod movably passes through the top end of the support frame, one end of the machine base is fixedly arranged on the lower wall of one end of the wheel seat, the conveying rubber roller is movably arranged on the other end of the wheel seat, and the wheel seat and the first guide roller have the same rotation direction, the motor is fixedly arranged on the other end of the machine base, a pair of the pulleys are respectively fixedly arranged on the conveying rubber roller and the motor driving end, and the two pulleys are symmetrical with each other, the two ends of the transmission belt are movably sleeved on the pulleys, and the transmission belt is movably sleeved on the outside of the other end of the wheel seat.

[0010] Preferably, the motor drives the conveying rubber roller to rotate with the help of a pulley and a transmission belt, so that the steel material can be moved by the conveying rubber roller.

[0011] Preferably, the conveying rubber roller can be located above the first cross arm.

[0012] Preferably, the second limiting assembly is lifted and lowered by a first hydraulic cylinder, and the second limiting assembly can be located below the first limiting assembly.

[0013] Preferably, the conveying components on a pair of the support frames can be driven individually.

[0014] The present invention provides a sawing device for flat steel processing and forming, which has the following beneficial effects:

[0015] 1. Double-station processing design: The first limiting structure processes large-width flat steel, and the second limiting structure processes small-width flat steel. The two work together to achieve simultaneous processing of flat steel of different specifications, thereby improving equipment utilization.

[0016] 2. Adjustable limit structure: The spacing of the first limit assembly is adjusted by widening the slide rail, and the second limit assembly is raised and lowered by the first hydraulic cylinder to adapt to flat steels of various widths, solving the problem of low applicability of existing equipment.

[0017] 3. Automatic conveying system: The conveying rubber roller is driven by a motor and combined with the hydraulic cylinder to achieve automatic conveying and positioning of flat steel, replacing the traditional manual movement method and improving cutting efficiency and accuracy.

[0018] 4. Guide roller limit design: The first guide roller (upper and lower ends) and the second guide roller (middle) in the limit assembly form a three-dimensional limit for the flat steel, ensuring a stable position during transportation and avoiding deviation that affects cutting accuracy.

[0019] 5. Three-dimensional limiting improves cutting accuracy: the first guide rollers at the upper and lower ends limit the vertical displacement of the flat steel, and the second guide roller in the middle limits the lateral deviation, ensuring that the flat steel is fixed in position during cutting to avoid skewed cuts or dimensional deviations caused by shaking.

[0020] 6. Rolling friction reduces energy consumption and wear: The rotation design of the guide roller converts the sliding friction of traditional rigid limiters into rolling friction, reducing equipment wear, reducing conveying energy consumption, and extending service life.

[0021] 7. High equipment compatibility: This design forms a symmetrical clamping structure through the reversely set second limit component and the first limit component, which can not only fit flat steel of different widths, but also can be used for plates of different widths. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the assembly structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the main structure assembly structure of the present invention;

[0024] Figure 3 for Figure 2 Schematic diagram of the local structure in;

[0025] Figure 4 This is a schematic diagram of the enlarged structure of the assembly of the first limiting structure and the second limiting structure of the present invention;

[0026] Figure 5 for Figure 4 A partially enlarged schematic diagram showing the structure;

[0027] Figure 6 This is an enlarged structural diagram of the conveying assembly of the present invention;

[0028] Figure 7 for Figure 3 Schematic diagram of the locally enlarged structure at point A in the figure.

[0029] In the figure: 1. Main structure, 11. Base, 12. Hanger, 13. Cross slide, 14. Cutting machine body, 2. First limiting structure, 21. Width-adjusting slide, 22. Support frame, 23. First cross arm, 24. First limiting assembly, 3. Second limiting structure, 31. First hydraulic cylinder, 32. Lifting frame, 33. Second limiting assembly, 331. Limiting seat, 332. First guide roller, 333. Second guide roller, 4. Conveying assembly, 41. Second hydraulic cylinder, 42. Wheel seat, 43. Power rod, 44. Machine base, 45. Conveying rubber roller, 46. Motor, 47. Pulley, 48. Transmission belt. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0031] See also Figure 1-Figure 7 The present invention provides a technical solution: a sawing device for flat steel processing and forming, comprising a main structure 1, a first limiting structure 2, a second limiting structure 3 and two pairs of conveying components 4, the first limiting structure 2 is fixedly arranged on the main structure 1, the second limiting structure 3 is fixedly arranged on the main structure 1, and the second limiting structure 3 is located in the middle of the first limiting structure 2, and the two pairs of conveying components 4 are symmetrically arranged on the first limiting structure 2; the first limiting structure 2 is used for limiting flat steels of different widths and larger widths, the second limiting structure 3 can cooperate with the first limiting structure 2, and is used for limiting flat steels of different widths and smaller widths, and forms double-station processing, and the conveying components 4 are used to apply force to and convey the flat steels on the first limiting structure 2 and the second limiting structure 3.

[0032] As a preferred solution, the main structure 1 includes a base 11, a pair of hangers 12, a cross-shaped slide rail 13 and a cutting machine body 14; the base 11 is rectangular, and the pair of hangers 12 are symmetrically arranged on the left and right ends of the upper wall of the base 11, and the pair of hangers 12 are both door-type frames. The cross-shaped slide rail 13 is fixedly arranged between the pair of hangers 12, and the cross-shaped slide rail 13 is located above the middle of the base 11. The cutting machine body 14 is fixedly arranged on the cross-shaped slide rail 13, and the cutting machine body 14 is provided with a rotating cutting saw wheel; the cross-shaped slide rail 13 is supported to a certain height by the hanger 12, and the cutting machine body 14 is driven to move left and right and forward and backward by the cross-shaped slide rail 13, and the steel is cut by the cutting machine body 14.

[0033] Furthermore, the hanger 12 supports the cross-shaped slide rail 13 so that it is located above the middle of the base 11, forming a cutting space at a certain height. The cross-shaped slide rail 13 drives the cutting machine body 14 to move left and right and forward and backward to accurately locate the cutting position. The cutting machine body 14 is installed with a rotating cutting saw wheel to perform flat steel cutting operations.

[0034] As a preferred solution, the first limiting structure 2 includes a width-adjusting slide rail 21, a pair of support frames 22, a plurality of first cross arms 23 and a plurality of first limiting assemblies 24; the width-adjusting slide rail 21 is fixedly arranged on the middle part of the upper wall of the right end of the base 11, and a relatively movable seat is symmetrically arranged on the width-adjusting slide rail 21, a pair of support frames 22 are symmetrically arranged on the movable seat of the width-adjusting slide rail 21, a plurality of first cross arms 23 are symmetrically arranged on the two ends of the top of the support frame 22, and a plurality of first limiting assemblies 24 are equidistantly arranged on the two ends of the first cross arm 23, and the first limiting assemblies 24 are relatively arranged in series through the first cross arm 23, and the plurality of first limiting assemblies 24 are relatively arranged; the width-adjusting slide rail 21 drives the support frame 22 to move relative to each other, so as to realize the spacing adjustment of the first limiting assemblies 24 arranged by the first cross arm 23, which is used for flat steel or steel plates of different widths, and realizes a larger range of adjustment and processing of single steel.

[0035] Furthermore, the width-adjusting slide rail 21 drives the support frame 22 to move relative to each other through the movable seat, adjusts the spacing of the first limit assembly 24 on the first cross arm 23, and adapts to the flat steel with a larger width. The first limit assembly 24 is equidistantly arranged at both ends of the first cross arm 23, and is arranged in series through the cross arms to limit the two sides of the flat steel to ensure stable position during cutting.

[0036] As a preferred solution, the second limiting structure 3 includes a pair of first hydraulic cylinders 31, a pair of lifting frames 32 and several second limiting assemblies 33; the pair of first hydraulic cylinders 31 are respectively arranged on the upper wall of the base 11, and the first hydraulic cylinder 31 is symmetrically located on the left and right sides of the middle of the width-adjusting slide rail 21; the pair of lifting frames 32 are both H-shaped and have four ends; the pair of lifting frames 32 are respectively symmetrically arranged on the telescopic ends of the first hydraulic cylinder 31, and the lifting frames 32 can be located below the first cross arm 23; several second limiting assemblies 33 are respectively arranged in opposite directions on the two ends of the lifting frames 32; the second limiting assemblies 33 have the same structure as the first limiting assemblies 24, and the second limiting assemblies 33 are respectively opposite to the first limiting assemblies 24 on the first cross arm 23; the lifting frames 32 are driven to move up and down by the first hydraulic cylinder 31, and the second limiting assembly 33 is adjusted to correspond to the first limiting assembly 24 or the second limiting assembly 33 is controlled to descend below the first limiting assembly 24.

[0037] Furthermore, the first hydraulic cylinder 31 drives the lifting frame 32 to rise and fall, and adjusts the height of the second limiting component 33. The lifting frame 32 is H-shaped and carries the second limiting component 33. It can be lifted and lowered to the bottom of the first cross arm 23 and cooperate with the first limiting structure 2. The structure of the second limiting component 33 is the same as the first limiting component 24 but is set in reverse. It is used for limiting flat steel of smaller width, and forms a double-station processing with the first limiting structure 2, and can process flat steel of different widths at the same time.

[0038] As a preferred solution, the second limiting assembly 33 includes a limiting seat 331, a pair of first guide rollers 332 and a second guide roller 333; the limiting seat 331 is concave, and a pair of first guide rollers 332 are respectively movably embedded in the middle of the upper and lower ends of the limiting seat 331, and the second guide roller 333 is movably embedded in the middle of the limiting seat 331, and the second guide roller 333 is located between the first guide rollers 332; the first guide roller 332 and the second guide roller 333 are installed through the second limiting seat 331, and the first guide roller 332 is used to block the upper and lower directions and facilitate transportation, and the second guide roller 333 is used to block the edge of the steel.

[0039] Furthermore, the limit seat 331 is concave, and the opening direction is consistent with the conveying direction of the flat steel, forming a limit space for accommodating the flat steel. The upper and lower ends of the first guide roller 332 are rolling supported, and the second guide roller 333 is movably embedded in the inner side of the middle part of the limit seat 331. The axis is perpendicular to the first guide roller 332 and is located between a pair of first guide rollers 332. It cooperates with the guide rollers of the first limit assembly 24 to form a clamping on both sides of the small width flat steel.

[0040] As a preferred solution, the conveying assembly 4 includes a second hydraulic cylinder 41, a wheel seat 42, a power rod 43, a machine base 44, a conveying rubber roller 45, a motor 46, a pair of pulleys 47 and a transmission belt 48; one end of the second hydraulic cylinder 41 is fixedly set on the bottom end of the support frame 22, the wheel seat 42 is L-shaped, one end of the wheel seat 42 is fixedly set at the telescopic end of the second hydraulic cylinder 41, and the other end of the wheel seat 42 is located between the first cross arm 23 and the lifting frame 32, the wheel seat 42 is located below the first cross arm 23, one end of the power rod 43 is fixedly set on the upper wall of the wheel seat 42, and the other end of the power rod 43 movably passes through the top of the support frame 22, one end of the machine base 44 is fixedly set on the lower wall of one end of the wheel seat 42, and the conveying rubber roller 45 is movably set at On the other end of the wheel seat 42, the wheel seat 42 and the first guide roller 332 have the same rotation direction, the motor 46 is fixedly set on the other end of the machine base 44, and a pair of pulleys 47 are respectively fixedly set on the conveying rubber roller 45 and the driving end of the motor 46, and the two pulleys 47 are symmetrical to each other. The two ends of the transmission belt 48 are respectively movably mounted on the pulleys 47, and the transmission belt 48 is movably mounted on the outer side of the other end of the wheel seat 42; the wheel seat 42 is driven to move up and down by the second hydraulic cylinder 41 to adjust the height of the conveying rubber roller 45, and the wheel seat 42 is kept stable by the power rod 43, and the conveying rubber roller 45 is driven by the motor 46 with the help of the pulley 47 and the transmission belt 48 to rotate, so that the steel can be driven to move by the conveying rubber roller 45.

[0041] Furthermore, the second hydraulic cylinder 41 drives the wheel seat 42 to rise and fall, adjusts the height of the conveying rubber roller 45, makes it contact the flat steel and applies conveying force, and the power assist rod 43 maintains the stability of the wheel seat 42 when it is raised and lowered. The conveying rubber roller 45 is driven to rotate by the motor 46 through the pulley 47 and the transmission belt 48, driving the flat steel to move automatically, reducing manual operation and improving cutting efficiency. The conveying components 4 on a pair of support frames 22 can be controlled separately to meet the needs of double-station processing.

[0042] As a preferred solution, the conveying rubber roller 45 can be located above the first cross arm 23, so that the conveying rubber roller 45 can push the steel material and contact and apply force to the steel material.

[0043] The detailed connection means are well-known technologies in this field. The following mainly introduces the working principle and process. The specific operations are as follows.

[0044] The equipment is placed stably on the base 11 in the main structure 1. After the equipment is powered on, the equipment can be adjusted to limit and convey flat steel of different widths, and the cutting structure can be performed;

[0045] When the flat steel width is small:

[0046] The first hydraulic cylinder 31 in the second limiting structure 3 drives the lifting frame 32 to rise, and the second limiting assembly 33 on the second lifting frame 32 is aligned with the first limiting assembly 24 arranged in series via the cross arm. The concave limiting seat 331 can be used to set the two limiting assemblies relative to each other. According to the width of the flat steel, the width-adjusting slide rail 21 in the first limiting structure 2 is driven to drive the first limiting assemblies 24 on the two support frames 22 to move relative to each other, thereby adjusting the distance between the first limiting assembly 24 and the second limiting assembly 33.

[0047] Then, two workstations are formed, and two flat steels are placed between the first limiting assembly 24 and the second limiting assembly 33, which are arranged opposite to each other. The two flat steels are blocked and clamped by the concave limiting seat 331, and the upper and lower side walls of the flat steels are contacted and limited by the first guide roller 332, and the two sides of the flat steels are contacted and limited by the second guide roller 333.

[0048] Then, the conveying components 4 on the two support frames 22 can be driven separately to first drive the conveying component 4 on one support frame 22, and driven by the motor 46 on the machine base 44, to drive a pulley 47 on the driving end to rotate, and the conveying rubber roller 45 is driven to rotate by the transmission belt 48, and at the same time, the second hydraulic cylinder 41 is driven to drive the wheel seat 42 to rise, so that the conveying rubber roller 45 contacts the lower wall of the flat steel, and clamps the top of the flat steel on the first guide roller 332 at the top of the limit seat 331; when the conveying rubber roller 45 rotates, the flat steel is subjected to force, and is moved by the first guide roller 332 and the second guide roller 333, so that one end of the flat steel is conveyed to the cutting machine body 14; at the same time, the rotation of the conveying rubber roller 45 maintains the stability of the wheel seat 42 through the power rod 43 to prevent the reverse force from damaging the second hydraulic cylinder 41;

[0049] Then, the cross-shaped slide rail 13 at a certain height is supported by the hanger 12 in the main structure 1, which drives the cutting machine body 14 to move forward and backward to adjust the cutting length and cutting position. The flat steel is driven to move and adjust the cutting length by the conveying rubber roller 45, and the cross-shaped slide rail 13 is used to drive the cutting machine body 14 to move left and right to cut one of the flat steels. After the cutting machine body 14 cuts the flat steel on the left, that is, the cutting wheel of the cutting machine body 14 is located at the flat steel station on the left, the flat steel at the right station is driven to move and feed by the conveying rubber roller 45, thereby realizing alternating conveying and alternating cutting at the left and right stations to improve processing efficiency.

[0050] When the flat steel is wide, it can be processed in a single station:

[0051] That is, by contracting the first hydraulic cylinder 31, the second limit assembly 33 is lowered to the bottom of the first limit assembly 24, and then according to the width of the flat steel or plate, the first limit assembly 24 on the support frame 22 is driven to adjust the spacing with the help of the width-adjusting slide rail 21, so that the plate can be inserted between the first limit assemblies 24 for limitation, and the plate is located above the second limit assembly 33; at this time, with the help of the conveying assembly 4 on the support frame 22, the conveying rubber roller 45 is driven to fit the lower walls of the left and right ends of the plate to apply force to drive the plate to move and convey, and the main structure 1 is used for cutting processing.

[0052] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A sawing device for flat steel processing and forming, characterized in that: The invention comprises a main structure (1), a first limiting structure (2), a second limiting structure (3) and two pairs of conveying components (4), wherein the first limiting structure (2) is fixedly arranged on the main structure (1), the second limiting structure (3) is fixedly arranged on the main structure (1), and the second limiting structure (3) is located in the middle of the first limiting structure (2), and the two pairs of conveying components (4) are symmetrically arranged on the first limiting structure (2); The first limiting structure (2) is used for limiting the position of flat steel with larger widths, and the second limiting structure (3) can cooperate with the first limiting structure (2) to limit the position of flat steel with smaller widths, thereby forming a double-station processing. The conveying component (4) is used to apply force to and convey the flat steel on the first limiting structure (2) and the second limiting structure (3); The first position-limiting structure (2) comprises a width-adjusting slide rail (21), a pair of support frames (22), a plurality of first cross arms (23), and a plurality of first position-limiting components (24); The width-adjusting slide rail (21) is fixedly arranged on the main structure (1), and a relatively movable seat is symmetrically arranged on the width-adjusting slide rail (21), a pair of support frames (22) are symmetrically arranged on the movable seats of the width-adjusting slide rail (21), a plurality of first cross arms (23) are symmetrically arranged on the top ends of the support frames (22), and a plurality of first limit assemblies (24) are equidistantly arranged on the two ends of the first cross arms (23); The second limiting structure (3) comprises a pair of first hydraulic cylinders (31), a pair of lifting frames (32) and a plurality of second limiting components (33); A pair of the first hydraulic cylinders (31) are respectively arranged on the main structure (1), and the first hydraulic cylinders (31) are symmetrically located on the left and right sides of the middle of the width-adjusting slide rail (21); a pair of the lifting frames (32) are both H-shaped and have four ends; a pair of the lifting frames (32) are respectively symmetrically arranged on the telescopic ends of the first hydraulic cylinders (31), and the lifting frames (32) can be located below the first cross arm (23); a plurality of the second limiting assemblies (33) are respectively arranged on the two ends of the lifting frames (32) in opposite directions; the second limiting assemblies (33) have the same structure as the first limiting assemblies (24), and the second limiting assemblies (33) are respectively opposite to the first limiting assemblies (24) on the first cross arm (23); The second limiting assembly (33) comprises a limiting seat (331), a pair of first guide rollers (332) and a second guide roller (333); The limiting seat (331) is concave, and a pair of the first guide rollers (332) are movably embedded in the middle of the upper and lower ends of the limiting seat (331), and the second guide roller (333) is movably embedded in the middle of the limiting seat (331), and the second guide roller (333) is located between the first guide rollers (332).

2. A sawing device for flat steel processing and forming according to claim 1, characterized in that: The first limiting components (24) are arranged in series relative to each other via the first cross arm (23), and a plurality of the first limiting components (24) are respectively arranged relative to each other.

3. A sawing device for flat steel processing and forming according to claim 2, characterized in that: The conveying assembly (4) includes a second hydraulic cylinder (41), a wheel seat (42), a power rod (43), a machine seat (44), a conveying rubber roller (45), a motor (46), a pair of pulleys (47) and a transmission belt (48); One end of the second hydraulic cylinder (41) is fixedly arranged on the bottom end of the support frame (22), the wheel seat (42) is L-shaped, one end of the wheel seat (42) is fixedly arranged on the telescopic end of the second hydraulic cylinder (41), and the other end of the wheel seat (42) is located between the first cross arm (23) and the lifting frame (32), the wheel seat (42) is located below the first cross arm (23), one end of the power rod (43) is fixedly arranged on the upper wall of the wheel seat (42), and the other end of the power rod (43) is movable through the top end of the support frame (22), and one end of the machine base (44) is fixedly arranged on the wheel seat (42). The base (42) is provided at a lower wall at one end thereof, the conveying rubber roller (45) is movably arranged on the other end of the wheel base (42), and the wheel base (42) and the first guide roller (332) rotate in the same direction, the motor (46) is fixedly arranged on the other end of the base (44), a pair of pulleys (47) are respectively fixedly arranged on the conveying rubber roller (45) and the driving end of the motor (46), and the two pulleys (47) are symmetrical to each other, and the two ends of the transmission belt (48) are respectively movably sleeved on the pulleys (47), and the transmission belt (48) is movably sleeved on the outer side of the other end of the wheel base (42).

4. A sawing device for flat steel processing and forming according to claim 3, characterized in that: The motor (46) drives the conveying rubber roller (45) to rotate with the help of the pulley (47) and the transmission belt (48), so that the steel can be moved by the conveying rubber roller (45).

5. The sawing device for flat steel processing and forming according to claim 4, characterized in that: The conveying rubber roller (45) can be located above the first cross arm (23).

6. The sawing device for flat steel processing and forming according to claim 5, characterized in that: The second limiting assembly (33) is lifted and lowered by the first hydraulic cylinder (31), and the second limiting assembly (33) can be located below the first limiting assembly (24).

7. The sawing device for flat steel processing and forming according to claim 6, characterized in that: The conveying components (4) on a pair of the support frames (22) can be driven individually.

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