A synchronous bending and straightening device for processing precast steel structure decorative panels.

Abstract

This invention discloses a synchronous bending and straightening device for processing precast steel structure decorative panels, relating to the field of precast steel structure decorative panel processing. The device includes a straightening frame with a positioning groove adapted to the precast decorative panel, serving to position the panel; a linkage mechanism and an auxiliary mechanism, the linkage mechanism working in conjunction with the auxiliary mechanism to straighten the precast decorative panel during bending; a mold mechanism; and an ejection mechanism. This synchronous bending and straightening device for processing precast steel structure decorative panels enables positional correction during sheet metal loading, achieving a straightening effect. Simultaneously, when the placement platform moves the sheet metal upwards, it works in conjunction with an extrusion plate to clamp and fix it, effectively preventing the sheet metal from shifting due to lateral slippage during bending. It also allows for simultaneous bending of multiple parts of the sheet metal, is simple and convenient to operate, and significantly improves the efficiency of the bending process.

Description

Technical Field

[0001] This invention relates to the field of steel structure prefabricated component decorative panel processing technology, specifically to a synchronous bending and straightening device for processing steel structure prefabricated component decorative panels. Background Technology

[0002] Steel structures are structures made of steel and are one of the main types of building structures. They are primarily composed of steel beams, columns, trusses, and other components made of shaped steel and steel plates, and undergo rust removal and prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. The components are typically connected by welds, bolts, or rivets. Due to their light weight and simple construction, steel structures are widely used in large factories, stadiums, high-rise buildings, bridges, and other fields. After the main steel structure is completed, to enhance the aesthetics of the building, prefabricated decorative panels are usually added to the outer surface. These panels are typically bent twice at 90 degrees on both sides, folding the mounting flange face to the back of the panel to conceal it. Bolts are then used to secure the decorative panels to the steel structure surface through the mounting holes in the flange face, thus improving the overall aesthetics of the steel structure building.

[0003] To facilitate the direct installation of decorative panels onto the main steel structure building, sheet metal is typically bent and painted in a factory to create prefabricated decorative panels. However, this bending process requires workers to manually hold the sheet metal, inserting the side into the bending machine for a first bend, and then manually adjusting the angle for a second bend. Manual bending is prone to slippage, causing misalignment and resulting in incorrect prefabricated decorative panels. Furthermore, workers must bend all four sides of the sheet metal individually, making the bending process tedious and labor-intensive. To address these issues, we provide a synchronous bending and straightening device for prefabricated steel structure decorative panels to solve these problems. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a synchronous bending and straightening device for processing precast steel structure decorative panels, which solves the problems of easy displacement of the bending position of precast decorative panels and the cumbersome bending work.

[0005] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a synchronous bending and straightening device for processing precast steel structure decorative panels, comprising: a straightening frame, wherein the straightening frame has a positioning groove adapted to the precast decorative panel and has the function of positioning the precast decorative panel;

[0006] The lifting mechanism is used for loading and unloading prefabricated decorative panels.

[0007] The linkage mechanism and the auxiliary mechanism work together to correct the prefabricated decorative panels during bending.

[0008] The mold mechanism and the ejection mechanism work together to make the four sides of the precast decorative panel bend simultaneously.

[0009] Furthermore, the lifting mechanism is located outside the correction frame. The lifting mechanism includes a support base and a U-shaped support plate. The correction frame is fixedly connected to the outer surface of the support base. A hydraulic telescopic rod is fixedly connected to the outer surface of the support base. The telescopic end of the hydraulic telescopic rod is fixedly connected to the U-shaped support plate.

[0010] By adopting the above technical solution, the straightening frame has a positioning groove that matches the sheet metal plate. The positioning groove of the straightening frame can correct the position of the sheet metal plate when it is being loaded, thus playing a corrective role. The operator can control the hydraulic telescopic rod to move the U-shaped support plate up and down, thereby moving the sheet metal plate up and down.

[0011] Furthermore, two connecting plates are fixedly connected to the outer surface of the U-shaped support plate, and a sliding tube is fixedly connected to the outer surface of each of the two connecting plates. Two sliding rods are fixedly connected to the outer surface of the support base, and the two sliding tubes are slidably connected to the outer surfaces of the two sliding rods respectively.

[0012] By adopting the above technical solution and setting two sliding rods, the stability of the U-shaped support plate when moving up and down is increased, and the swaying of the U-shaped support plate is avoided when it moves.

[0013] Furthermore, the linkage mechanism is located outside the correction frame. The linkage mechanism includes a placement platform, a first working motor, and two bending pressure blocks. The first working motor is fixedly connected to the inner wall of the U-shaped support plate. A threaded rod is fixedly connected to the output end of the first working motor. The end of the threaded rod away from the first working motor is rotatably connected to the outer surface of the placement platform.

[0014] By adopting the above technical solution, through the setting of the placement platform and the two bending top pressure blocks, the placement platform and the two bending top pressure blocks will drag the sheet metal plate upward to perform a bend, and the placement platform and the two bending top pressure blocks will support the sheet metal plate.

[0015] Furthermore, the outer surface of the threaded rod is threaded with a threaded tube, and the outer surface of the threaded tube is hinged with two hinged rods by a pin. The ends of the two hinged rods away from the threaded tube are respectively hinged to two bending pressure blocks by a pin. The outer surface of the placement platform is fixedly connected with two sets of slide rails, and the two bending pressure blocks are slidably connected to the two sets of slide rails respectively.

[0016] By adopting the above technical solution and setting two slide rails, the stability of the bending top pressure block when moving is increased, and the deviation of the bending top pressure block when moving is avoided.

[0017] Furthermore, the mold mechanism is located outside the straightening frame. The mold mechanism includes a connecting frame and two bending molds II. Both bending molds II are fixedly connected to the straightening frame through the connecting frame. Two bending molds I are fixedly connected between the two bending molds II.

[0018] By adopting the above technical solution, both the inner walls of bending mold one and bending mold two are provided with inclined ramps. When the placement platform and the two bending top pressure blocks drive the sheet metal plate to move upward, the four sides of the sheet metal plate are deformed by the pressure of the two bending molds one and two bending molds two, respectively, so that the four sides of the sheet metal plate are bent at right angles at the same time, thereby improving the bending efficiency.

[0019] Furthermore, there are two ejection mechanisms, both of which are located outside the straightening frame. Each ejection mechanism includes a fixed frame and a bending pressure block II. The fixed frame is fixedly connected to the outer surface of the bending mold II, and the bending pressure block II is slidably connected to the inner wall of the bending mold II. Two sliding tubes II are fixedly connected to the outer surface of the bending pressure block II, and two sliding rods II are fixedly connected to the outer surface of the bending mold II. The two sliding rods II are slidably connected to the two sliding tubes II respectively.

[0020] By adopting the above technical solution, the movement of the bending top pressure block 2 is limited by the setting of the sliding tube 2, thereby increasing the stability of the bending top pressure block 2 during movement.

[0021] Furthermore, a second working motor is fixedly connected to the outer surface of the fixed frame, and a threaded rod is fixedly connected to the output end of the second working motor. The threaded rod is rotatably connected to the fixed frame, and a threaded block is threadedly connected to the outer surface of the threaded rod. The threaded block is fixedly connected to the bending pressure block.

[0022] By adopting the above technical solution, after the sheet metal plate is bent once, the second working motor is controlled to drive the second threaded rod to rotate. The rotation of the second threaded rod drives the threaded block to move, so that the threaded block drives the second bending pressure block to approach the sheet metal plate. The second bending pressure block cooperates with the second bending pressure block to perform a second right-angle bend on the sheet metal plate.

[0023] Furthermore, the auxiliary mechanism is located outside the correction frame. The auxiliary mechanism includes a fixed plate and a pressing plate. Both bending molds are fixedly connected to the fixed plate. Two limiting rods are fixedly connected to the outer surface of the pressing plate. One end of each limiting rod passes through the outer surface of the fixed plate and is slidably connected to the fixed plate.

[0024] By adopting the above technical solution, when the placement platform moves the sheet metal plate upward, it will squeeze and press the extrusion plate upward, so that the extrusion plate cooperates with the placement platform to clamp the sheet metal plate, effectively avoiding the problem of the sheet metal plate shifting due to side slippage during bending.

[0025] Furthermore, two blocking blocks are fixedly connected to the inner wall of the fixed plate, and pressure sensors are fixedly connected to the outer surfaces of the two blocking blocks. The outer surfaces of the two limiting rods are fitted with telescopic springs, and the two telescopic springs are fixedly connected between the fixed plate and the extrusion plate.

[0026] By adopting the above technical solution, the extrusion plate is prevented from moving by setting the blocking block. When the extrusion plate moves to fit with the blocking block, the sheet metal plate completes one bending operation on all four sides. When the sheet metal plate completes one bending operation on all four sides, the pressure sensor will sense the extrusion signal of the extrusion plate. The pressure sensor will feed the information back to the central control system and control the second working motor to drive the threaded rod to rotate.

[0027] Compared with existing technologies, this synchronous bending and straightening equipment for processing precast steel structure decorative panels has the following advantages:

[0028] I. This invention, by setting up a correction frame, a linkage mechanism, and an auxiliary mechanism, allows the sheet metal to be bent into a prefabricated decorative panel. The sheet metal is placed on a placement platform, and the correction frame has a limiting groove adapted to the sheet metal, thus correcting its position during loading. Simultaneously, when the placement platform and two bending pressure blocks bring the sheet metal into contact with the extrusion plate, the platform and the two bending pressure blocks work together with the extrusion plate to clamp and limit the sheet metal, continuing to press the extrusion plate upwards to complete one bending operation. During one bending operation, the sheet metal remains stationary relative to the extrusion plate, effectively preventing the sheet metal from shifting its bending position due to side slippage during bending.

[0029] II. This invention, by setting up a mold mechanism and two ejection mechanisms, allows the sheet metal plate to be bent at right angles when the placement platform moves the sheet metal plate upwards. The four sides of the sheet metal plate then contact the two bending molds and two bending molds, respectively, causing the four sides of the sheet metal plate to be bent at right angles. After one bending is completed, the extrusion plate will contact the blocking block and be sensed by the pressure sensor, thereby controlling the bending top block two to approach the sheet metal plate and perform a second right angle bend on the opposite sides of the sheet metal plate. This allows multiple bending operations of the sheet metal plate to be performed simultaneously, making the operation simple, convenient, and quick, and greatly improving the working efficiency of the device during bending operations.

[0030] Other advantages, objectives and features of the invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be learned from the practice of the invention. Attached Figure Description

[0031] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0032] Figure 2 This is a schematic diagram of the internal three-dimensional structure of the present invention;

[0033] Figure 3 This is a schematic diagram of the split structure of the present invention;

[0034] Figure 4 This is a three-dimensional structural diagram of the lifting mechanism and linkage mechanism of the present invention;

[0035] Figure 5 For the present invention Figure 4 A schematic diagram of the three-dimensional structure at point A in the middle;

[0036] Figure 6 This is a three-dimensional structural diagram of the ejection mechanism of the present invention;

[0037] Figure 7 This is a three-dimensional structural diagram of the auxiliary mechanism of the present invention;

[0038] Figure 8 This is a three-dimensional structural diagram of the present invention during bending operation;

[0039] Figure 9 This is a three-dimensional structural diagram of the internal structure of the present invention during bending operation;

[0040] Figure 10 This is a schematic diagram of the split structure during the bending operation of the present invention.

[0041] In the picture:

[0042] 1. Correction frame;

[0043] 2. Lifting mechanism; 21. Support base; 22. U-shaped support plate; 23. Hydraulic telescopic rod; 24. Connecting plate; 25. Slide tube one; 26. Slide rod one;

[0044] 3. Linkage mechanism; 31. Placement platform; 32. First working motor; 33. Threaded rod one; 34. Threaded pipe; 35. Hinge rod; 36. Bending top pressure block one; 37. Slide rail;

[0045] 4. Mold mechanism; 41. Bending mold one; 42. Bending mold two; 43. Connecting frame;

[0046] 5. Ejection mechanism; 51. Fixed frame; 52. Second working motor; 53. Threaded rod II; 54. Threaded block; 55. Bending and pressing block II; 56. Sliding tube II; 57. Sliding rod II;

[0047] 6. Auxiliary mechanism; 61. Fixing plate; 62. Pressing plate; 63. Stopping block; 64. Pressure sensor; 65. Limiting rod; 66. Telescopic spring. Detailed Implementation

[0048] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0049] Please see Figure 1 , Figure 2 , Figure 4 and Figure 5 The present invention provides the following technical solution: a synchronous bending and straightening device for processing steel structure precast decorative panels, including a straightening frame 1, a lifting mechanism 2 is provided on the outside of the straightening frame 1, the lifting mechanism 2 includes a support base 21 and a U-shaped support plate 22, a protective pad is provided at the bottom of the support base 21 to increase the stability of the device during operation, the straightening frame 1 has a positioning groove adapted to the sheet metal plate, the positioning groove of the straightening frame 1 can be used to correct the position of the sheet metal plate when it is being loaded, thus playing a straightening role, the straightening frame 1 is fixedly connected to the outer surface of the support base 21, and a hydraulic telescopic rod 23 is fixedly connected to the outer surface of the support base 21, the operator can control the hydraulic telescopic rod 23 to drive the U-shaped support plate 22 to move up and down, the telescopic end of the hydraulic telescopic rod 23 is fixedly connected to the U-shaped support plate 22.

[0050] Two connecting plates 24 are fixedly connected to the outer surface of the U-shaped support plate 22. The L-shape of the two connecting plates 24 prevents interference with the correction frame 1 when the connecting plates 24 move. Sliding tubes 25 are fixedly connected to the outer surface of the two connecting plates 24. Two sliding rods 26 are fixedly connected to the outer surface of the support base 21. The two sliding tubes 25 are slidably connected to the outer surface of the two sliding rods 26 respectively. The setting of the two sliding rods 26 increases the stability of the U-shaped support plate 22 when it moves up and down, and prevents the U-shaped support plate 22 from shaking when it moves.

[0051] The external part of the straightening frame 1 is equipped with a linkage mechanism 3, which includes a placement platform 31, a first working motor 32, and two bending pressure blocks 36. When the two bending pressure blocks 36 are unfolded, they cooperate with the placement platform 31 to support the sheet metal plate. The first working motor 32 is fixedly connected to the inner wall of the U-shaped support plate 22. The output end of the first working motor 32 is fixedly connected to a threaded rod 33. The end of the threaded rod 33 away from the first working motor 32 is rotatably connected to the outer surface of the placement platform 31. The outer surface of the threaded rod 33 is threadedly connected to a threaded tube 34. Through the setting of the placement platform 31 and the bending pressure blocks 36, the placement platform 31 and the two bending pressure blocks 36 will drag the sheet metal plate upward to perform a bend. The placement platform 31 and the two bending pressure blocks 36 play a role in bearing the sheet metal plate.

[0052] Two hinge rods 35 are hinged to the outer surface of the threaded tube 34 via pins. The ends of the two hinge rods 35 furthest from the threaded tube 34 are respectively hinged to two bending pressure blocks 36. During the second bend, the bending pressure block 55 approaches the sheet metal plate, and the bending pressure block 55, in conjunction with the bending pressure block 36, performs a second right-angle bend on the sheet metal plate. After the second right-angle bend, the prefabricated decorative panel will wrap around the two bending pressure blocks 36. To facilitate material unloading, the first working motor 32 drives the threaded rod 33 to rotate. The rotation of the threaded rod 33 causes the threaded tube 34 to move downwards. The downward movement of the 34th component is facilitated by two hinged rods 35, which bring the two bending top pressure blocks 36 closer together. This removes the precast decorative panels from the 36th component, allowing personnel to directly pick up the precast decorative panels processed on the placement platform 31. Two sets of slide rails 37 are fixedly connected to the outer surface of the placement platform 31. The two bending top pressure blocks 36 are slidably connected to the two sets of slide rails 37 respectively. The two slide rails 37 increase the stability of the bending top pressure blocks 36 during movement and limit the movement trajectory of the bending top pressure blocks 36 to prevent them from deviating during movement.

[0053] Please see Figure 3 , Figure 8 and Figure 9The outside of the straightening frame 1 is provided with a mold mechanism 4, which includes a connecting frame 43 and two bending molds 42. The connecting frame 43 is used to fix the two bending molds 42 to the straightening frame 1. Both bending molds 42 are fixedly connected to the straightening frame 1 through the connecting frame 43. Two bending molds 41 are fixedly connected between the two bending molds 42. The inner walls of the bending molds 41 and 42 are provided with inclined ramps. When the placement platform 31 and the two bending top pressing blocks 36 drive the sheet metal plate pressing and pressing plate 62 to move upward, the four sides of the sheet metal plate are deformed by the pressure of the two bending molds 41 and the two bending molds 42, so that the four sides of the sheet metal plate are bent at right angles at the same time, thereby improving the bending efficiency.

[0054] Please see Figure 6 , Figure 7 and Figure 10 The straightening frame 1 has two ejection mechanisms 5 on its exterior. The ejection mechanism 5 includes a fixed frame 51 and a bending top pressure block 55. The fixed frame 51 is fixedly connected to the outer surface of the bending mold 42. The bending top pressure block 55 is slidably connected to the inner wall of the bending mold 42. Two sliding tubes 56 are fixedly connected to the outer surface of the bending top pressure block 55. Two sliding rods 57 are fixedly connected to the outer surface of the bending mold 42. The two sliding rods 57 are slidably connected to the two sliding tubes 56 respectively. By setting the sliding tubes 56, the movement of the bending top pressure block 55 is limited, thereby increasing the stability of the bending top pressure block 55 during movement.

[0055] A second working motor 52 is fixedly connected to the outer surface of the fixed frame 51. A threaded rod 53 is fixedly connected to the output end of the second working motor 52. The threaded rod 53 is rotatably connected to the fixed frame 51. A threaded block 54 is threadedly connected to the outer surface of the threaded rod 53. The threaded block 54 is fixedly connected to the bending pressure block 55. After the sheet metal plate is bent once, the second working motor 52 is controlled to drive the threaded rod 53 to rotate. The rotation of the threaded rod 53 drives the threaded block 54 to move, so that the threaded block 54 drives the bending pressure block 55 to approach the sheet metal plate. The bending pressure block 55, together with the bending pressure block 36, performs a second right-angle bend on the sheet metal plate. After the second right-angle bend is completed, the second working motor 52 is controlled to drive the threaded rod 53 to rotate in the opposite direction, so that the bending pressure block 55 moves back into the bending mold 42, avoiding interference with the bending pressure block 55 when the pre-formed decorative panel moves downward.

[0056] An auxiliary mechanism 6 is provided on the outside of the straightening frame 1. The auxiliary mechanism 6 includes a fixed plate 61 and a pressing plate 62. Anti-slip pads are fixedly connected to the outer surfaces of the pressing plate 62, the placement platform 31, and the two bending top pressure blocks 36 to increase friction and prevent the sheet metal from slipping. The two bending molds 42 are fixedly connected to the fixed plate 61. Two limiting rods 65 are fixedly connected to the outer surface of the pressing plate 62. The setting of the limiting rods 65 increases the stability of the pressing plate 62 when it moves up and down. At the same time, a stop is set at the top of the limiting rod 65 to prevent the limiting rod 65 from detaching from the sliding connection with the fixed plate 61. One end of each limiting rod 65 passes through the outer surface of the fixed plate 61 and is slidably connected to the fixed plate 61. When the placement platform 31 moves the sheet metal upward, it presses the pressing plate 62 and pushes the pressing plate 62 upward, so that the pressing plate 62 cooperates with the placement platform 31 to clamp the sheet metal, effectively preventing the sheet metal from shifting in bending position due to slippage during bending.

[0057] Two blocking blocks 63 are fixedly connected to the inner wall of the fixed plate 61. Pressure sensors 64 are fixedly connected to the outer surfaces of the two blocking blocks 63. The blocking blocks 63 prevent the extrusion plate 62 from moving excessively. When the extrusion plate 62 moves to fit against the blocking blocks 63, the sheet metal plate completes one bending operation on all four sides. When the sheet metal plate completes one bending operation on all four sides, the pressure sensors 64 will sense the extrusion signal of the extrusion plate 62. The pressure sensors 64 will feed the information back to the central control system and control the second working motor 52 to drive the threaded rod 53 to rotate. The outer surfaces of the two limit rods 65 are fitted with telescopic springs 66. The two telescopic springs 66 are fixedly connected between the fixed plate 61 and the extrusion plate 62. The extrusion plate 62 is reset by the spring pressure of the two telescopic springs 66, which facilitates the next bending operation.

[0058] Working Principle: During use, the sheet metal sheet for prefabricated decorative panel production is placed on the placement platform 31. The positioning groove of the straightening frame 1 corrects the sheet metal sheet's position. The hydraulic telescopic rod 23 drives the U-shaped support plate 22 upwards. The movement of the U-shaped support plate 22 drives the placement platform 31 and the two bending pressure blocks 36 upwards, causing the sheet metal sheet to contact the extrusion plate 62. The placement platform 31 and the two bending pressure blocks 36 work together with the extrusion plate 62 to clamp and limit the sheet metal sheet, continuing to press the sheet metal sheet against the extrusion plate 62 as it moves upwards. This causes the four sides of the sheet metal sheet to contact the two bending molds 41 and 42 respectively, resulting in a right-angle bend. After one bend, the extrusion plate 62 contacts the blocking block 63 and is sensed by the pressure sensor 64. The pressure sensor 64 feeds back the information to the central control system, which then controls the second working motor 52 to drive the screw... The threaded rod 53 rotates, causing the threaded block 54 to move. This causes the threaded block 54 to bring the bending pressure block 55 closer to the sheet metal plate, performing a second right-angle bend on the opposite sides of the sheet metal plate. This process turns the sheet metal plate into a prefabricated decorative panel. After bending, the first working motor 32 is controlled to rotate the threaded rod 33. The rotation of the threaded rod 33 causes the threaded tube 34 to move downward. The downward movement of the threaded tube 34, through two hinged rods 35, causes two bending pressure blocks 36 to move closer to each other. Then, the hydraulic telescopic rod 23 is controlled to move the placement platform 31 downward, causing the placement platform 31 to move the prefabricated decorative panel downward. The operator can directly pick up the processed prefabricated decorative panel. This device effectively avoids the problem of the sheet metal plate shifting due to side slippage during bending. At the same time, this device allows multiple bending operations on the sheet metal plate to be performed simultaneously. It is simple, convenient, and quick to operate, greatly improving the work efficiency of the device during bending operations.

[0059] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the invention can be implemented in other specific forms without departing from its spirit or essential characteristics. Therefore, the embodiments should be considered in all respects as exemplary and non-limiting, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the present invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A synchronous bending and straightening device for processing decorative panels of precast steel structures, characterized in that, include: The correction frame (1) has a positioning groove that is adapted to the precast decorative panel and has the function of positioning the precast decorative panel; The lifting mechanism (2) is used for loading and unloading prefabricated decorative panels; Linkage mechanism (3) and auxiliary mechanism (6), the linkage mechanism (3) and the auxiliary mechanism (6) together perform the function of correcting the prefabricated decorative panel when it is bent; The mold mechanism (4) and the ejection mechanism (5) work together to make the four sides of the prefabricated decorative panel bend simultaneously. The lifting mechanism (2) is located outside the correction frame (1). The lifting mechanism (2) includes a support base (21) and a U-shaped support plate (22). The correction frame (1) is fixedly connected to the outer surface of the support base (21). A hydraulic telescopic rod (23) is fixedly connected to the outer surface of the support base (21). The telescopic end of the hydraulic telescopic rod (23) is fixedly connected to the U-shaped support plate (22). Two connecting plates (24) are fixedly connected to the outer surface of the U-shaped support plate (22), and two sliding tubes (25) are fixedly connected to the outer surface of the two connecting plates (24). Two sliding rods (26) are fixedly connected to the outer surface of the support base (21), and the two sliding tubes (25) are slidably connected to the outer surface of the two sliding rods (26). The linkage mechanism (3) is located outside the correction frame (1). The linkage mechanism (3) includes a placement platform (31), a first working motor (32) and two bending top pressing blocks (36). The first working motor (32) is fixedly connected to the inner wall of the U-shaped support plate (22). The output end of the first working motor (32) is fixedly connected to a threaded rod (33). The end of the threaded rod (33) away from the first working motor (32) is rotatably connected to the outer surface of the placement platform (31). The outer surface of the threaded rod (33) is threadedly connected to a threaded tube (34). The outer surface of the threaded tube (34) is hinged to two hinged rods (35) by a pin. The ends of the two hinged rods (35) away from the threaded tube (34) are respectively hinged to two bending top pressure blocks (36) by a pin. The outer surface of the placement platform (31) is fixedly connected to two sets of slide rails (37). The two bending top pressure blocks (36) are slidably connected to the two sets of slide rails (37) respectively. The mold mechanism (4) includes a connecting frame (43) and two bending molds (42), with two bending molds (41) fixedly connected between the two bending molds (42). The ejection mechanism (5) includes a fixed frame (51) and a bending top pressure block two (55). The fixed frame (51) is fixedly connected to the outer surface of the bending mold two (42), and the bending top pressure block two (55) is slidably connected to the inner wall of the bending mold two (42). The outer surface of the fixed frame (51) is fixedly connected to a second working motor (52), and the output end of the second working motor (52) is fixedly connected to a threaded rod (53). The threaded rod (53) is rotatably connected to the fixed frame (51), and the outer surface of the threaded rod (53) is threadedly connected to a threaded block (54). The threaded block (54) is fixedly connected to a bending top pressure block (55). During operation, the four sides of the sheet metal plate contact two bending molds (41) and two bending molds (42) respectively, thereby causing the four sides of the sheet metal plate to bend at right angles. The second working motor 52 is controlled to drive the threaded rod (53) to rotate. The rotation of the threaded rod (53) drives the threaded block (54) to move, so that the threaded block (54) drives the bending top pressure block (55) to approach the sheet metal plate, and performs a second right angle bend on the opposite sides of the sheet metal plate.

2. The synchronous bending and straightening equipment for processing precast steel structure decorative panels according to claim 1, characterized in that: The mold mechanism (4) is located outside the straightening frame (1), and the two bending molds (42) are fixedly connected to the straightening frame (1) through the connecting frame (43).

3. The synchronous bending and straightening equipment for processing precast steel structure decorative panels according to claim 2, characterized in that: There are two ejection mechanisms (5), both of which are located outside the straightening frame (1). Two sliding tubes (56) are fixedly connected to the outer surface of the bending top pressing block (55), and two sliding rods (57) are fixedly connected to the outer surface of the bending mold (42). The two sliding rods (57) are slidably connected to the two sliding tubes (56) respectively.

4. The synchronous bending and straightening equipment for processing precast steel structure decorative panels according to claim 2, characterized in that: The auxiliary mechanism (6) is located outside the correction frame (1). The auxiliary mechanism (6) includes a fixed plate (61) and a pressing plate (62). The two bending molds (42) are fixedly connected to the fixed plate (61). Two limiting rods (65) are fixedly connected to the outer surface of the pressing plate (62). One end of each limiting rod (65) passes through the outer surface of the fixed plate (61) and is slidably connected to the fixed plate (61).

5. The synchronous bending and straightening equipment for processing precast steel structure decorative panels according to claim 4, characterized in that: The inner wall of the fixed plate (61) is fixedly connected to two blocking blocks (63), and the outer surfaces of the two blocking blocks (63) are fixedly connected to pressure sensors (64). The outer surfaces of the two limiting rods (65) are fitted with telescopic springs (66), and the two telescopic springs (66) are fixedly connected between the fixed plate (61) and the extrusion plate (62).

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