A duct steel plate forming machine

Abstract

The present invention provides a duct steel plate forming machine, comprising a machine base and a feeding mechanism; the feeding mechanism is arranged in front of the machine base; a laminating mechanism, a shaping mechanism, a pressing and folding mechanism, a cutting mechanism, a discharging mechanism and a control system are arranged on the machine base; the laminating mechanism is arranged at the front end of the machine base, and the laminating mechanism is used to coat the steel coil on the feeding mechanism; the shaping mechanism is arranged at the rear end of the laminating mechanism, and the shaping mechanism presses the edges of the coated steel plate; the pressing and folding mechanism is located at the rear end of the shaping mechanism, and the pressing and folding mechanism is used to press and fold the steel plate into shape; the cutting mechanism is arranged between the pressing and folding mechanism and the shaping mechanism; the discharging mechanism is arranged on one side of the pressing and folding mechanism; the control system is arranged in the machine base; the technical solution provided by the present invention realizes integrated intelligent processing through multiple processes from steel coil to forming, with high efficiency and high precision, saves labor and labor costs, ensures product quality, and has strong stability, high strength and strong durability.

Description

Technical Field

[0001] The invention belongs to the technical field of air duct forming, and in particular relates to an air duct steel plate forming machine. Background Art

[0002] Air ducts are widely used in air delivery and distribution piping systems. The production process of air duct steel plates requires laminating, leveling, pressing edges, pressing folding, and cutting the rolled steel plates. Multiple processes are required from steel coils to forming air duct steel plates. The existing technology of air duct steel plate processing requires manual discharging, and the air duct steel plate processing cannot be integrated, has low intelligence, high labor costs, and low production efficiency. Summary of the invention

[0003] The purpose of the present invention is to address the deficiencies in the above-mentioned technology and to propose a duct steel plate forming machine, aiming to solve the problems existing in the above-mentioned painting machine.

[0004] The present invention provides a duct steel plate forming machine, comprising a machine base and a feeding mechanism; the feeding mechanism is arranged in front of the machine base; a laminating mechanism, a shaping mechanism, a pressing and folding mechanism, a cutting mechanism, a discharging mechanism and a control system are arranged on the machine base; the laminating mechanism is arranged at the front end of the machine base, and the laminating mechanism is used to coat the steel coil on the feeding mechanism; the shaping mechanism is arranged at the rear end of the laminating mechanism, and the shaping mechanism presses the edges of the coated steel plate; the pressing and folding mechanism is located at the rear end of the shaping mechanism, and the pressing and folding mechanism is used to press and fold the steel plate into shape; the cutting mechanism is arranged between the pressing and folding mechanism and the shaping mechanism, and the cutting mechanism is used to cut the steel plate formed by pressing and folding; the discharging mechanism is arranged on one side of the pressing and folding mechanism, and the discharging mechanism is used to suck the formed duct steel plate into a material basket; the control system is arranged in the machine base, and the control system is electrically connected to the feeding mechanism, the laminating mechanism, the shaping mechanism, the pressing and folding mechanism, the cutting mechanism and the discharging mechanism respectively.

[0005] Furthermore, the discharging mechanism includes a manipulator and a rotating motor; there are multiple manipulators, one end of the manipulator is connected to the rotating motor, and the other end of the manipulator is provided with a suction cup; the manipulator includes a first arm, a second arm, a first motor, a second motor and a base; the first motor is arranged at the connection between the first arm and the second arm, so that the first arm rotates around the second arm; the second motor is arranged at the connection between the second arm and the base, so that the second arm rotates around the base.

[0006] Furthermore, the feeding mechanism includes a bracket, a first rotating shaft, a tensioner, a driving disk and a motor; the first rotating shaft is arranged on the bracket through a bearing; the tensioner is arranged on the first rotating shaft to tension the steel coil; the driving disk is fixedly connected to one end of the first rotating shaft; the tensioner and the driving disk are provided with clamps to clamp the steel coil; the driving disk is also provided with a belt, and the motor is connected to the driving disk through the belt, so that the first rotating shaft rotates to transport the steel coil to the laminating mechanism.

[0007] Furthermore, the bracket is provided with a plurality of cross bars, and a plurality of guide wheels are provided on the cross bars; it also includes a bracket; one end of the bracket is connected to the machine base, and the other end of the bracket is placed on the ground to form a slope structure; the bracket is provided with a plurality of guide wheels.

[0008] Furthermore, the coating mechanism includes a first roller, a second roller, an axle and a barrel; the first roller and the second roller are rotatably arranged on a machine base, and the first roller is located at the upper end of the second roller; the axle is mounted on the front end of the machine base through a mounting frame; the barrel is arranged on the axle, and the film material is sleeved on the barrel, and the steel plate and the film material pass through the gap between the first roller and the second roller to squeeze and coat the steel plate.

[0009] Furthermore, the shaping mechanism is provided with a first driven roller, a second driven roller, a first pressing roller and a second pressing roller in sequence from front to back; the first pressing roller and the second pressing roller are provided with a plurality of annular grooves to press the edges of the steel plate.

[0010] Furthermore, the pressing and folding mechanism includes a pressing plate and a pressing platform; the pressing platform is movably arranged above the pressing plate; a plurality of rectangular grooves are arranged on the pressing plate; a plurality of rectangular protrusions are arranged on the pressing platform relative to the rectangular grooves, and the rectangular protrusions press the steel plate into the rectangular grooves to press and fold the steel plate.

[0011] Furthermore, the cutting mechanism includes a cutting knife; the cutting knife is arranged on the pressing platform, and the cutting knife is used to cut the pressed and folded steel plate.

[0012] Furthermore, the shaping mechanism is also provided with a feed port and a discharge port; the feed port is provided with a roller; the discharge port is arranged at the front end of the pressing and folding mechanism, and a pressing block is provided on the discharge port; a through groove is opened on the pressing block, and a first pressing wheel is also provided on the pressing block, and the steel plate passes through the through groove so that the first pressing wheel can flatten and press the steel plate.

[0013] Furthermore, it also includes a clamping device; the clamping device is arranged at the front end of the shaping mechanism and is located at the rear end of the feeding mechanism; the clamping device includes a screw rod and a clamping block, the screw rod is arranged on the machine base, the clamping block is movably arranged on the screw rod, and the clamping block clamps the steel plate by linear motion on the screw rod; a second pressing wheel is rotatably provided on the clamping block, and there are multiple second pressing wheels, and the second pressing wheel flattens and presses the steel plate.

[0014] The above technical solution has the following beneficial effects:

[0015] The present invention provides a duct steel plate forming machine, which realizes integrated intelligent processing through multiple processes from steel coil to forming, has a high degree of intelligence, high efficiency, high precision, saves manual labor and labor costs, ensures product quality, has strong stability, high strength, good forming performance, and improves the turbidity resistance of the steel plate, with strong durability. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0017] The present invention will be further described below in conjunction with the accompanying drawings:

[0018] Figure 1 This is a schematic diagram of a duct steel plate forming machine of the present invention;

[0019] Figure 2 It is a schematic diagram of a discharging mechanism of a duct steel plate forming machine of the present invention;

[0020] Figure 3 It is a schematic diagram of a feeding mechanism of a duct steel plate forming machine of the present invention;

[0021] Figure 4 This is an axial view of a feeding mechanism of a duct steel plate forming machine of the present invention;

[0022] Figure 5 It is a partial schematic diagram of a feeding mechanism of a duct steel plate forming machine of the present invention;

[0023] Figure 6 It is a schematic diagram of a laminating mechanism of a duct steel plate forming machine of the present invention;

[0024] Figure 7 It is a schematic diagram of a shaping mechanism of a duct steel plate forming machine of the present invention;

[0025] Figure 8 It is a schematic diagram of a clamping device of a duct steel plate forming machine of the present invention;

[0026] Fig. 9 It is a schematic diagram of a material outlet of a shaping mechanism of a duct steel plate forming machine of the present invention;

[0027] Fig.10 The present invention is a schematic diagram of a pressing and folding mechanism of a duct steel plate forming machine.

[0028] In the figure: 1-machine base; 2-feeding mechanism; 3-film coating mechanism; 4-upper shaping mechanism; 5-pressing and folding mechanism; 6-cutting mechanism; 7-discharging mechanism; 8-control system; 9-human-machine interface module; 10-steel coil; 11-steel plate; 12-clamping block; 13-screw rod; 14-second pressing wheel; 20-bracket; 21-first rotating shaft; 22-tensioner; 23-driving disk; 24-third motor; 25-card; 26-bracket; 27-cross bar; 28-guide wheel; 29-belt; 31-first Roller; 32-second roller; 33-axle; 34-mounting frame; 35-barrel; 36-film material; 41-first driven roller; 42-second driven roller; 43-first pressure roller; 44-second pressure roller; 45-feeding port; 46-discharging port; 47-pressing block; 48-first pressure wheel; 49-annular groove; 51-pressing plate; 52-pressing table; 53-rectangular groove; 70-suction cup; 71-rotating motor; 72-first arm; 73-second arm; 74-first motor; 75-second motor; 76-base. DETAILED DESCRIPTION

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention 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 limiting the present invention.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; 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, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] like Figures 1 to 10 As shown, the present invention provides a duct steel plate forming machine, including a machine base 1 and a feeding mechanism 2; the feeding mechanism 2 is arranged in front of the machine base 1; the machine base 1 is provided with a laminating mechanism 3, a shaping mechanism 4, a pressing and folding mechanism 5, a cutting mechanism 6, a discharging mechanism 7 and a control system 8; wherein the laminating mechanism 3 is arranged at the front end of the machine base 1, and the laminating mechanism 3 is used to coat the steel coil 10 on the feeding mechanism 2; the shaping mechanism 4 is arranged at the rear end of the laminating mechanism 3, and the shaping mechanism 4 presses the edges of the coated steel plate 11; the pressing and folding mechanism 5 is located at the rear end of the shaping mechanism 4, and the pressing and folding mechanism 5 is used to press and fold the steel plate 11 into shape; the cutting mechanism 6 is arranged between the pressing and folding mechanism 5 and the shaping mechanism 4, and the cutting mechanism 6 is used to cut the steel plate 11 that has been pressed and folded into shape; the discharging mechanism 7 is arranged at the pressing and folding mechanism 5 On one side, the discharging mechanism 7 is used to suck the formed duct steel plate into the material basket; the control system 8 is arranged in the machine base 1, and the control system 8 is electrically connected with the feeding mechanism 2, the coating mechanism 3, the shaping mechanism 4, the pressing and folding mechanism 5, the cutting mechanism 6 and the discharging mechanism 7 respectively, and the control system 8 is used to control the integrated processing of coating, leveling, edge pressing, pressing and folding, and cutting and discharging of the steel plate 11, so as to complete a processing and forming process from the steel coil 10 to the steel plate 11 and then to the duct steel plate, realize intelligent processing, and improve product quality and production efficiency; by adopting the above technical scheme, multiple processes realize integrated intelligent processing, with high efficiency and high precision, saving labor and labor costs, ensuring product quality, strong stability, high strength, good forming performance, and improving the turbidity resistance of the steel plate 11, and having good durability.

[0034] Preferably, in combination with the above scheme, Figure 1 to Figure 2As shown, in this embodiment, the discharging mechanism 7 includes a manipulator and a rotating motor 71; there are multiple manipulators, one end of the manipulator is connected to the rotating motor 71, and the other end of the manipulator is provided with a suction cup 70; the manipulator includes a first arm 72, a second arm 73, a first motor 74, a second motor 75 and a base 76; the first motor 74 is provided at the connection between the first arm 72 and the second arm 73, so that the first arm 72 rotates around the second arm 73; the second motor 75 is provided at the connection between the second arm 73 and the base 76, so that the second arm 73 rotates around the base 76; the pressed and cut air duct is sucked into the feed frame by the suction cup 70 on the manipulator, and no manual handling is required, thereby ensuring the smoothness of the process and avoiding the problem of material jamming.

[0035] Preferably, in combination with the above scheme, Figures 3 to 5 As shown, in this embodiment, the feeding mechanism 2 includes a bracket 20, a first rotating shaft 21, a tensioner 22, a driving disk 23 and a motor; the first rotating shaft 21 is arranged on the bracket 20 through a bearing; the tensioner 22 is arranged on the first rotating shaft 21 to tension the steel coil 10; the driving disk 23 is fixedly connected to one end of the first rotating shaft 21; a clamp 25 is provided on the tensioner 22 and the driving disk 23 to clamp the steel coil 10; a belt 29 is also provided on the driving disk 23, and the motor is connected to the driving disk 23 through the belt 29, so that the first rotating shaft 21 rotates to transport the steel coil 10 to the laminating machine Structure 3; further, the bracket 20 is provided with a plurality of cross bars 27, and the cross bars 27 are provided with a plurality of guide wheels 28. The guide wheels 28 on the cross bars 27 can prevent the steel plate 11 from scratching the bracket 20 due to the long span during the unloading process, thereby ensuring that the surface of the steel plate 11 is intact and not damaged; it also includes a bracket 26, one end of the bracket 26 is connected to the machine base 1, and the other end of the bracket 26 is placed on the ground to form a slope structure to prevent the steel plate 11 from bottoming out due to the long span, and to assist the steel plate 11 in loading and coating; the bracket 26 is provided with a plurality of guide wheels 28 to prevent the steel plate 11 from scratching during the loading process.

[0036] Preferably, in combination with the above scheme, Figure 6 As shown, in this embodiment, the coating mechanism 3 includes a first roller 31, a second roller 32, a shaft 33 and a barrel 35; the first roller and the second roller 32 are rotatably arranged on the machine base 1, and the first roller 31 is located at the upper end of the second roller 32; the shaft 33 is arranged at the front end of the machine base 1 through the mounting frame 34, the barrel 35 is arranged on the shaft 33, and the film material 36 is sleeved on the barrel 35. The steel plate 11 and the film material 36 pass through the gap between the first roller 31 and the second roller 32 to extrude and coat the steel plate 11, so that the steel plate 11 has good formability, processability, turbidity resistance, high strength and good decorative effect.

[0037] Preferably, in combination with the above scheme, Figures 7 to 9As shown, in this embodiment, the shaping mechanism 4 is provided with a first driven roller 41, a second driven roller 42, a first pressing roller 43 and a second pressing roller 44 from front to back in sequence; the first pressing roller 43 and the second pressing roller 44 are connected to a driving motor, and a plurality of annular grooves 49 are provided on the first pressing roller 43 and the second pressing roller 44 at equal distances. The steel plate 11 is pressed by the first pressing roller 43 and the second pressing roller 44, and the steel plate 11 forms ridges under the action of the annular grooves 49. The number and interval of the ridges can be adjusted by configuring the annular grooves 49 on the first pressing roller 43 and the second pressing roller 44. The shaping mechanism 4 has strong applicability and can be applied to the production of duct steel plates with edges of different specifications; further, the shaping mechanism 4 is also provided with a feed port 45 and a discharge port 46; the feed port 45 is provided with a roller; the discharge port 46 is arranged at the front end of the pressing and folding mechanism 5; a pressing block 47 is provided on the discharge port 46, a through groove is opened on the pressing block 47, and a first pressing wheel 48 is also provided on the pressing block 47, and the steel plate 11 passes through the through groove so that the first pressing wheel 48 can flatten and press the steel plate 11, thereby controlling the rebound of the steel plate 11, so that the steel plate 11 can flatly enter the pressing and folding mechanism 5 for pressing and folding.

[0038] Preferably, in combination with the above scheme, Fig.10 As shown, in this embodiment, the pressing and folding mechanism 5 includes a pressing plate 51 and a pressing platform 52; the pressing platform 52 is movably arranged above the pressing plate 51; a plurality of rectangular grooves 53 are arranged on the pressing plate 51, and the plurality of rectangular grooves 53 are vertically staggered and connected; the pressing platform 52 is provided with a plurality of rectangular protrusions (not shown) relative to the rectangular grooves 53, and the rectangular protrusions press the steel plate 11 into the rectangular grooves 53 to press and fold the steel plate 11; further, the cutting mechanism 6 includes a cutting knife (not shown), which is arranged on the pressing platform 52, and the cutting knife is used to cut the pressed and folded steel plate 11 to obtain the duct steel plate, so that the robot arm of the discharging mechanism 7 can suck the formed duct steel plate into the feeding frame through the suction cup 70.

[0039] Preferably, in combination with the above scheme, Figures 1 to 10 As shown; the rear end of the feeding mechanism 2; the clamping device includes a screw rod 13 and a clamping block 12; the screw rod 13 is arranged on the machine base 1; the clamping block 12 is movably arranged on the screw rod 13, and the clamping block 12 clamps the steel plate 11 by linearly moving on the screw rod 13; a second pressing wheel 14 is rotatably provided on the clamping block 12, and the second pressing wheel 14 is multiple, and the pressing wheel can be a rolling bearing to contact the surface of the steel plate 11 so that the second pressing wheel 14 can flatly press the steel plate 11 to control the rebound and warping of the steel plate 11 and ensure the horizontality of the steel plate 11. The second pressing wheel 14 allows the steel plate 11 to enter the shaping mechanism 4 flush to prevent warping, and has a good guiding effect.

[0040] Preferably, in combination with the above scheme, Figure 1As shown, in this embodiment, a human-machine interface module 9 is also included. The human-machine interface module 9 is connected to the control system 8 to set the processing parameters of the steel plate 11, so that the processing of the steel plate 11 is intelligently controlled through the control system 8.

[0041] The above is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any technician familiar with the art can make many possible changes and modifications to the technical solution of the present invention by using the above-mentioned technical content without departing from the scope of the technical solution of the present invention, or modify it into an equivalent embodiment of equivalent changes. Therefore, any changes, modifications, equivalent changes and modifications made to the above embodiments based on the technology of the present invention without departing from the content of the technical solution of the present invention belong to the protection scope of the present technical solution.

Claims

1. A duct steel plate forming machine, characterized in that: The machine comprises a machine base (1) and a feeding mechanism (2); the feeding mechanism (2) is arranged in front of the machine base (1); the machine base (1) is provided with a laminating mechanism (3), a shaping mechanism (4), a pressing and folding mechanism (5), a cutting mechanism (6), a discharging mechanism (7) and a control system (8); The laminating mechanism (3) is arranged at the front end of the machine base (1), and the laminating mechanism (3) is used to laminar the steel coil (10) on the feeding mechanism (2); The shaping mechanism (4) is arranged at the rear end of the coating mechanism (3), and the shaping mechanism (4) presses the edges of the coated steel plate (11); The pressing and folding mechanism (5) is located at the rear end of the shaping mechanism (4), and the pressing and folding mechanism (5) is used to press and fold the steel plate (11) into shape; The cutting mechanism (6) is arranged between the pressing and folding mechanism (5) and the shaping mechanism (4), and the cutting mechanism (6) is used to cut the steel plate (11) formed by the pressing and folding; The discharging mechanism (7) is arranged on one side of the pressing and folding mechanism (5), and the discharging mechanism (7) is used to suck the formed air duct steel plate into the material basket; The control system (8) is arranged in the machine base (1), and the control system (8) is electrically connected to the feeding mechanism (2), the laminating mechanism (3), the shaping mechanism (4), the pressing and folding mechanism (5), the cutting mechanism (6), and the discharging mechanism (7) respectively; The discharging mechanism (7) comprises a manipulator and a rotating motor (71); there are multiple manipulators, one end of each manipulator is connected to the rotating motor (71), and the other end of each manipulator is provided with a suction cup (70); the manipulator comprises a first arm (72), a second arm (73), a first motor (74), a second motor (75) and a base (76); the first motor (74) is arranged at the connection between the first arm (72) and the second arm (73), so that the first arm (72) rotates around the second arm (73); the second motor (75) is arranged at the connection between the second arm (73) and the base (76), so that the second arm (73) rotates around the base (76); The coating mechanism (3) comprises a first roller (31), a second roller (32), a shaft (33) and a barrel (35); the first roller and the second roller (32) are rotatably mounted on the machine base (1), the first roller (31) being located at the upper end of the second roller (32); the shaft (33) is mounted at the front end of the machine base (1) via a mounting frame (34); the barrel (35) is mounted on the shaft (33), the film material (36) is sleeved on the barrel (35), the steel plate (11) and the film material (36) pass through a gap between the first roller (31) and the second roller (32) so as to squeeze and coat the steel plate (11); The pressing and folding mechanism (5) comprises a pressing plate (51) and a pressing platform (52); the pressing platform (52) is movably arranged above the pressing plate (51); a plurality of rectangular grooves (53) are arranged on the pressing plate (51); the pressing platform (52) is provided with a plurality of rectangular protrusions at positions relative to the rectangular grooves (53); the rectangular protrusions press the steel plate (11) into the rectangular grooves (53) to press and fold the steel plate (11).

2. The duct steel plate forming machine according to claim 1, characterized in that: The feeding mechanism (2) comprises a bracket (20), a first rotating shaft (21), a tensioner (22), a driving disk (23) and a third motor (24); the first rotating shaft (21) is arranged on the bracket (20) through a bearing; the tensioner (22) is arranged on the first rotating shaft (21) to tension the steel coil (10); the driving disk (23) is fixedly connected to one end of the first rotating shaft (21); a clamping member (25) is provided on the tensioner (22) and the driving disk (23) to clamp the steel coil (10); a belt (29) is also provided on the driving disk (23), and the third motor (24) is connected to the driving disk (23) through the belt (29) so that the first rotating shaft (21) rotates to transport the steel coil (10) to the coating mechanism (3).

3. The duct steel plate forming machine according to claim 2, characterized in that: The support (20) is provided with a plurality of cross bars (27), and the cross bars (27) are provided with a plurality of guide wheels (28); the support also includes a bracket (26); one end of the bracket (26) is connected to the machine base (1), and the other end of the bracket (26) is placed on the ground to form a slope structure; the bracket (26) is provided with a plurality of guide wheels (28).

4. The duct steel plate forming machine according to claim 1, characterized in that: The shaping mechanism (4) is provided with a first driven roller (41), a second driven roller (42), a first pressing roller (43) and a second pressing roller (44) in sequence from front to back; the first pressing roller (43) and the second pressing roller (44) are provided with a plurality of annular grooves (49) for pressing edges of the steel plate (11).

5. The duct steel plate forming machine according to claim 1, characterized in that: The cutting mechanism (6) comprises a cutting knife; the cutting knife is arranged on the pressing platform (52), and the cutting knife is used to cut the pressed and folded steel plate (11).

6. The duct steel plate forming machine according to claim 4, characterized in that: The shaping mechanism (4) is also provided with a feed port (45) and a discharge port (46); the feed port (45) is provided with a roller; the discharge port (46) is provided at the front end of the pressing and folding mechanism (5); a pressing block (47) is provided on the discharge port (46); a through slot is provided on the pressing block (47); a first pressing wheel (48) is also provided on the pressing block (47); the steel plate (11) passes through the through slot so that the first pressing wheel (48) can flatten and press the steel plate (11).

7. The duct steel plate forming machine according to claim 1, characterized in that: The machine also comprises a clamping device; the clamping device is arranged at the front end of the shaping mechanism (4) and is located at the rear end of the feeding mechanism (2); the clamping device comprises a screw rod (13) and a clamping block (12); the screw rod (13) is arranged on the machine base (1), the clamping block (12) is movably arranged on the screw rod (13), the clamping block (12) clamps the steel plate (11) by linearly moving on the screw rod (13); a second pressing wheel (14) is rotatably arranged on the clamping block (12), the second pressing wheel (14) is multiple, and the second pressing wheel (14) flattens and presses the steel plate (11).

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