A metal processing anti-displacement bending device

Abstract

The present invention belongs to the field of metal processing technology, and in particular to a metal processing anti-displacement bending device. In view of the problem that the corresponding bending dies need to be replaced for processing different metal workpieces, which greatly reduces the production efficiency of metal workpiece bending, the following scheme is proposed, including a machine body, a support rod is rotatably installed at one end of the outer wall of one side of the machine body, and a control screen is rotatably installed at the bottom end of the support rod, and a protective door is slidably installed at the upper end of the inner wall of one end of the machine body. In the present invention, the top and bottom ends of the circumference of the first driving gear are respectively meshed with the bottom end of the circumference of the first driven gear and the top end of the circumference of the second driven gear, so that the first driven gear and the second driven gear rotate at the same speed and in the same direction, and the number and distribution angle of the upper die seat and the lower die seat are the same, so that each lower die seat located at the top end of the circumference of the second frame has a corresponding upper die seat located at the bottom end of the circumference of the first frame, so as to achieve the effect of quickly replacing the bending die, which helps to improve the bending efficiency of metal workpieces.

Description

Technical Field

[0001] The invention relates to the technical field of metal processing, and in particular to a metal processing anti-displacement bending device. Background Art

[0002] Under the pressure of the upper or lower die of the bending machine, the metal sheet first undergoes elastic deformation and then enters plastic deformation. At the beginning of plastic bending, the sheet is free to bend. As the upper or lower die presses the sheet, the sheet gradually closes to the inner surface of the V-groove of the lower die, and the radius of curvature and the bending arm gradually decrease. Continue to pressurize until the stroke ends, so that the upper and lower dies and the sheet are in full contact at three points. At this time, a bend is completed, which is commonly known as bending. Many metal parts of automobiles need to be bent to meet the needs of their production and installation.

[0003] After searching, the patent publication number CN111530999B discloses a patent named a metal processing anti-displacement bending device. The technical problem to be solved is that some flat irons need to be bent in the width direction. Due to the limited ductility of the metal, this causes serious distortion of the bending position and may cause the workpiece to shift during the bending process, resulting in misalignment of the bending position. By combining a hydraulic system with a mechanical structure, automatic bending of metal parts can be achieved. In addition, the base of the invention is small and easy to move, suitable for use in construction sites, reducing the time required for transporting workpieces back and forth and reducing processing costs.

[0004] However, there are still the following drawbacks that need to be solved: the corresponding bending dies need to be replaced for processing different metal workpieces, which greatly reduces the production efficiency of metal workpiece bending. Summary of the invention

[0005] Based on the existing technical problem that the corresponding bending dies need to be replaced when processing different metal workpieces, which greatly reduces the production efficiency of metal workpiece bending, the present invention proposes a metal processing anti-displacement bending device.

[0006] The present invention provides a metal processing anti-displacement bending device, comprising a machine body, a support rod is rotatably installed at one end of an outer wall of one side of the machine body, and a control screen is rotatably installed at the bottom end of the support rod, a protective door is slidably installed at the upper end of the inner wall of one end of the machine body, a ventilation fan is fixedly installed at the top end of the other end of the machine body, and a slag discharge door is rotatably installed at the bottom end of the other end of the machine body, a second rotating shaft is rotatably installed at the lower end of the inner walls on both sides of the machine body, and a second frame is fixedly sleeved on the circumference of the second rotating shaft, a second driven gear is fixedly sleeved on one side of the circumference of the second rotating shaft, and a plurality of lower die seats with equal angles are fixedly arranged on the circumference of the second frame, and the first rotating shaft is rotatably installed on the upper ends of the inner walls on both sides of the machine body, A first frame is fixedly sleeved on the outer side of the circumference of the first rotating shaft, a first driven gear is fixedly sleeved on one side of the circumference of the first rotating shaft, a plurality of upper mold seats at equal angles are arranged on the circumference of the first frame, an arc groove is opened at one end of the lower end of the inner wall on both sides of the body, and an anti-displacement component is arranged between the two arc grooves, a second drive motor is fixedly installed on the other side of the outer wall of one side of the body, and a bidirectional screw is fixedly installed on the output end of the second drive motor, clamping plates are rotatably sleeved on both sides of the circumference of the bidirectional screw, a transmission box is fixedly installed in the middle of the outer wall of one side of the body, and the first drive motor is fixedly installed in the middle of the outer wall of one side of the transmission box, and the output end of the first drive motor is fixedly installed A first driving gear is installed, and the top and bottom ends of the first driving gear are respectively meshed with the bottom end of the first driven gear and the top end of the second driven gear. The anti-displacement component includes a moving rod, and a mounting frame is fixedly sleeved in the middle of the moving rod. Hydraulic rods are fixedly installed on both sides of the mounting frame, and pressure plates are fixedly installed at the ends of the two hydraulic rods. A mounting plate is fixedly sleeved on one side of the moving rod, and gear rollers are rotatably installed on one side of the mounting plate and the other side of the moving rod. A fourth driving motor is fixedly installed on the other side of the mounting plate, and a fourth driving gear is fixedly installed on the output end of the fourth driving motor. The gear roller on one side of the mounting plate is fixedly sleeved with a transmission gear The gear train is a gear that is coupled to the transmission gear of the machine body and is provided with a gear that is coupled to the transmission gear of the machine body, and a gear that is coupled to the transmission gear of the machine body is coupled to the gear train.

[0007] Preferably, a plurality of racks with equal angles are fixedly provided at the bottom ends of the two arc-shaped grooves, and the circumference of the gear roller is meshed with a plurality of racks.

[0008] Preferably, the bottom ends of the two clamping plates are slidably attached to the top outer wall of the lower mold base located at the top end of the circumference of the second frame.

[0009] Preferably, the transmission assembly includes two L-shaped rods, and a plurality of equidistant tooth grooves are provided at the bottom end of one of the L-shaped rods and the top end of the other L-shaped rod. The third driving gear is located between the two L-shaped rods, and the top and bottom ends of the third driving gear are respectively engaged with a plurality of tooth grooves in two rows.

[0010] Preferably, a plurality of first receiving frames with equal angles are arranged on the circumference of the first frame, and a hydraulic column is fixedly installed in the middle of the first receiving frame, and telescopic guide sleeves are fixedly installed on both sides of the first receiving frame, a second receiving frame is fixedly connected between the movable ends of the hydraulic column and the two telescopic guide sleeves, and cylinders are fixedly installed on both sides of the second receiving frame, and an upper mold base is fixedly installed between the movable ends of the two cylinders.

[0011] Preferably, the upper die seats and lower die seats are of the same number and distribution angle, and each upper die seat matches one of the lower die seats.

[0012] The beneficial effects of the present invention are:

[0013] The present invention proposes a metal processing anti-displacement bending device, which first rotates and determines the type of bending mold from the control panel, then pulls down the protective door and starts the first driving motor. Since the second frame is fixedly provided with a plurality of lower mold seats with equal angles on the circumference, and the first frame is provided with a plurality of upper mold seats with equal angles on the circumference, the top and bottom ends of the first driving gear circumference are respectively meshed with the bottom end of the first driven gear circumference and the top end of the second driven gear circumference, so that the first driven gear and the second driven gear rotate at the same speed and in the same direction, and the number and distribution angle of the upper mold seats and the lower mold seats are the same, so that each lower mold seat located at the top end of the second frame circumference has a corresponding upper mold seat located at the bottom end of the first frame circumference, so as to achieve the effect of quickly replacing the bending mold, which helps to improve the bending efficiency of metal workpieces.

[0014] The present invention proposes a metal processing anti-displacement bending device. When the metal workpiece is placed on the top of the lower die base located at the top of the second frame circle, the second drive motor is operated to rotate the bidirectional screw, and the two clamping plates are close to each other along the outer wall of the top of the lower die base located at the top of the second frame circle, so as to achieve the effect of centering the metal workpiece and clamping and fixing its two ends. Then the fourth drive motor is operated to rotate the fourth drive gear, driving the transmission gear to rotate, thereby causing the gear roller to move along the bottom end of the arc groove, so that the moving rod rotates with the installation frame and the pressure plate from the storage state to the top end of the lower die base located at the top of the second frame circle, and then the hydraulic rod is operated to move the pressure plate downward and press the top of the metal workpiece placed on the top of the lower die base, so as to achieve the effect of preventing the metal workpiece from shifting or tilting when bending. Finally, the hydraulic column and the two cylinders work in sequence to quickly punch the upper die base toward the lower die base to complete the bending of the metal workpiece.

[0015] The present invention proposes a metal processing anti-displacement bending device. Before replacing the bending die, it is necessary to start the third drive motor first to rotate the two third drive gears to drive the transmission of the transmission assembly, so that the two L-shaped rods of the transmission assembly are separated from each other to achieve the effect of two support covers moving away from each other, providing a rotation space for the second set frame, and then replace the bending die. When the bending die is replaced, the third drive motor works again to rotate the two third drive gears to drive the transmission of the transmission assembly, and then the two support covers are moved close to each other until they can support the bottom end of the lower die seat located at the top end of the circumference of the second set frame, thereby further enhancing the stability of the lower die seat when the metal workpiece is bent. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of a metal processing anti-displacement bending device proposed by the present invention;

[0017] Figure 2 This is a right-side structural schematic diagram of a metal processing anti-displacement bending device proposed by the present invention;

[0018] Figure 3 This is a schematic diagram of the structure inside the body of a metal processing anti-displacement bending device proposed by the present invention;

[0019] Figure 4 This is a schematic structural diagram of the meshing of the first driving gear, the first driven gear and the second driven gear of a metal processing anti-displacement bending device proposed by the present invention;

[0020] Figure 5 This is a structural schematic diagram of a lower die base of a metal processing anti-displacement bending device proposed by the present invention;

[0021] Figure 6 This is a schematic structural diagram of an upper die base of a metal processing anti-displacement bending device proposed by the present invention;

[0022] Figure 7 This is a schematic diagram of the structure of a clamping plate of a metal processing anti-displacement bending device proposed by the present invention;

[0023] Figure 8 This is a schematic structural diagram of a pressure plate of a metal processing anti-displacement bending device proposed by the present invention;

[0024] Fig. 9 This is a schematic diagram of the upward structural view of a support cover of a metal processing anti-displacement bending device proposed by the present invention.

[0025] In the figure: 1 body, 2 support rod, 3 control panel, 4 protection door, 5 ventilation fan, 6 slag discharge door, 7 transmission box, 8 first drive motor, 9 first drive gear, 10 first driven gear, 11 second driven gear, 12 second drive motor, 13 support cover, 14 moving rod, 15 arc groove, 16 second sleeve, 17 lower die seat, 18 first sleeve, 19 first storage frame, 20 hydraulic column, 21 telescopic guide sleeve, 22 second storage frame, 23 cylinder, 24 upper die seat, 25 bidirectional screw, 26 clamping plate, 27 third drive motor, 28 third drive gear, 29 transmission assembly, 30 guide plate, 31 mounting frame, 32 hydraulic rod, 33 pressure plate, 34 mounting plate, 35 drive gear, 36 gear roller, 37 fourth drive motor, 38 fourth drive gear. DETAILED DESCRIPTION

[0026] Reference Figure 1-9A metal processing anti-displacement bending device comprises a machine body 1, a support rod 2 is rotatably mounted on one end of the outer wall of one side of the machine body 1, and a control panel 3 is rotatably mounted on the bottom end of the support rod 2, a protective door 4 is slidably mounted on the upper end of the inner wall of one end of the machine body 1 to avoid safety accidents caused by breakage of the metal workpiece during bending and injury to people, a ventilation fan 5 is fixedly mounted on the top of the other end of the machine body 1, which can quickly cool down the replaced upper die seat 24 and also helps to transfer the heated air inside the machine body 1 to achieve the effect of cooling and dust collection, a slag discharge door 6 is rotatably mounted on the bottom end of the other end of the machine body 1, which helps to guide out the debris that finally falls on the surface of the bending die after the metal workpiece is bent, and a second rotating shaft is rotatably mounted on the lower end of the inner walls on both sides of the machine body 1, and a second frame 1 is fixedly sleeved on the circumference of the second rotating shaft. 6. A second driven gear 11 is fixedly sleeved on one side of the second rotating shaft, and a plurality of lower die seats 17 with equal angles are fixedly arranged on the second sleeve 16. A first rotating shaft is rotatably installed on the upper ends of the inner walls on both sides of the body 1, and a first sleeve 18 is fixedly sleeved on the outer side of the first rotating shaft. A first driven gear 10 is fixedly sleeved on one side of the first rotating shaft, and a plurality of upper die seats 24 with equal angles are arranged on the circumference of the first sleeve 18. An arc groove 15 is provided at one end of the lower end of the inner walls on both sides of the body 1, and an anti-displacement component is arranged between the two arc grooves 15. A second driving motor 12 is fixedly installed on the other side of the outer wall of one side of the body 1, and a bidirectional screw 25 is fixedly installed on the output end of the second driving motor 12. A clamping plate 26 is rotatably sleeved on both sides of the bidirectional screw 25. The body A transmission box 7 is fixedly installed in the middle of the outer wall of one side of the transmission box 7, and a first driving motor 8 is fixedly installed in the middle of the outer wall of one side of the transmission box 7, a first driving gear 9 is fixedly installed at the output end of the first driving motor 8, and the top and bottom ends of the circumference of the first driving gear 9 are respectively meshed with the bottom end of the circumference of the first driven gear 10 and the top end of the circumference of the second driven gear 11, the anti-displacement component includes a moving rod 14, and a mounting frame 31 is fixedly sleeved in the middle of the circumference of the moving rod 14, hydraulic rods 32 are fixedly installed on both sides of the inside of the mounting frame 31, and pressure plates 33 are fixedly installed at the ends of the two hydraulic rods 32, a mounting plate 34 is fixedly sleeved on one side of the circumference of the moving rod 14, and a gear roller 36 is rotatably installed on one side of the mounting plate 34 and the other side of the circumference of the moving rod 14, and a second gear 36 is fixedly installed on the other side of the mounting plate 34 There are four drive motors 37, and a fourth drive gear 38 is fixedly installed at the output end of the fourth drive motor 37. The gear roller 36 located on one side of the mounting plate 34 is fixedly sleeved with the transmission gear 35, and the circumference of the fourth drive gear 38 is meshed with the circumference of the transmission gear 35. The fourth drive motor 37 works to rotate the fourth drive gear 38, driving the transmission gear 35 to rotate, thereby causing the gear roller 36 to move along the bottom end of the arc groove 15, so that the moving rod 14 rotates with the mounting frame 31 and the pressure plate 33 from the storage state to the top end of the lower die seat 17 located at the top end of the circumference of the second frame 16, and then the hydraulic rod 32 works to move the pressure plate 33 downward and press the top of the metal workpiece placed on the top of the lower die seat 17, so as to prevent the metal workpiece from shifting or tilting when bending.A third driving motor 27 is fixedly installed in the middle of the lower end of the inner wall on the other side of the body 1, and a third rotating shaft is fixedly installed at the output end of the third driving motor 27, and third driving gears 28 are fixedly sleeved on both sides of the circumference of the third rotating shaft. Support covers 13 are arranged on the outer sides of both ends of the circumference of the second sleeve 16, and the top of the support cover 13 is in contact with the outer wall of the bottom end of the lower mold base 17 located at the top of the circumference of the second sleeve 16. Transmission components 29 are arranged on both sides between the two support covers 13. Before replacing the bending mold, it is necessary to start the third driving motor 27 first to rotate the two third driving gears 28 to drive the transmission of the transmission component 29, so that the two L-shaped rods of the transmission component 29 are separated from each other to achieve the two support covers 13. The effect of moving away from each other provides a rotation space for the second frame 16, and then the bending mold is replaced. When the bending mold is replaced, the third drive motor 27 works again to rotate the two third drive gears 28 to drive the transmission of the transmission assembly 29, so that the two support covers 13 are close to each other until they can support the bottom end of the lower die base 17 located at the top end of the circumference of the second frame 16, further enhancing the stability of the lower die base 17 when the metal workpiece is bent. A plurality of equidistant guide plates 30 are fixedly installed on the top of the support cover 13 near the feed port of the machine body 1, and the top of the guide plate 30 is on the same horizontal plane as the top of the lower die base 17 located at the top end of the circumference of the second frame 16, which is convenient for pushing the metal workpiece;

[0027] A plurality of racks with equal angles are fixedly arranged at the bottom ends of the two arc-shaped grooves 15, and the circumference of the gear roller 36 is meshed with a plurality of racks;

[0028] The bottom ends of the two clamping plates 26 slide against the outer wall of the top end of the lower die base 17 located at the top end of the circumference of the second frame 16. When the second drive motor 12 works to rotate the bidirectional screw 25, the two clamping plates 26 move along the outer wall of the top end of the lower die base 17 located at the top end of the circumference of the second frame 16 to approach or move away from each other, so as to achieve the effect of centering the metal workpiece and clamping and fixing both ends of the metal workpiece.

[0029] The transmission assembly 29 includes two L-shaped rods, and a plurality of tooth grooves with equal distances are provided at the bottom end of one of the L-shaped rods and the top end of the other L-shaped rod. The third driving gear 28 is located between the two L-shaped rods, and the top end and the bottom end of the circumference of the third driving gear 28 are respectively meshed with a plurality of tooth grooves in two rows;

[0030] A plurality of first receiving frames 19 with equal angles are arranged on the circumference of the first frame 18, and a hydraulic column 20 is fixedly installed in the middle of the first receiving frame 19, and telescopic guide sleeves 21 are fixedly installed on both sides of the first receiving frame 19, and a second receiving frame 22 is fixedly connected between the hydraulic column 20 and the movable ends of the two telescopic guide sleeves 21, and cylinders 23 are fixedly installed on both sides of the second receiving frame 22, and an upper die seat 24 is fixedly installed between the movable ends of the two cylinders 23. When the metal workpiece is bent, the hydraulic column 20 is first extended to drive the two telescopic guide sleeves 21 to extend, and then the second receiving frame 22 is moved downward as a whole, and then the two cylinders 23 work simultaneously to quickly punch the upper die seat 24 toward the lower die seat 17 to complete the bending of the metal workpiece;

[0031] The number and distribution angle of the upper die seats 24 and the lower die seats 17 are the same, and each upper die seat 24 matches one of the lower die seats 17 .

[0032] Working principle: First, rotate and determine the type of bending mold from the control panel 3, then pull down the protective door 4 and start the first drive motor 8. Since the second frame 16 is fixedly provided with a plurality of lower mold seats 17 with equal angles, and the first frame 18 is provided with a plurality of upper mold seats 24 with equal angles, the top and bottom ends of the first driving gear 9 are respectively meshed with the bottom end of the first driven gear 10 and the top end of the second driven gear 11, so that the first driven gear 10 and the second driven gear 11 rotate at the same speed and in the same direction, and the number and distribution angle of the upper mold seats 24 and the lower mold seats 17 are the same, so that each lower mold seat 17 located at the top end of the second frame 16 has a corresponding upper mold seat 24 located at the bottom end of the first frame 18, so as to achieve the effect of quickly replacing the bending mold, which is helpful to improve the bending efficiency of metal workpieces;

[0033] When the metal workpiece is placed on the top of the lower die seat 17 located at the top of the circumference of the second frame 16, the second drive motor 12 works to rotate the bidirectional screw 25, and the two clamping plates 26 approach each other along the outer wall of the top of the lower die seat 17 located at the top of the circumference of the second frame 16, so as to achieve the effect of centering the metal workpiece and clamping and fixing its two ends. Then the fourth drive motor 37 works to rotate the fourth drive gear 38, driving the transmission gear 35 to rotate, thereby causing the gear roller 36 to move along the bottom end of the arc groove 15, so that the moving rod 14 rotates with the mounting frame 31 and the pressing plate 33 from the storage state to the top end of the lower die seat 17 located at the top of the circumference of the second frame 16, and then the hydraulic rod 32 works to move the pressing plate 33 downward and press the top of the metal workpiece placed on the top of the lower die seat 17, so as to prevent the metal workpiece from shifting or tilting during bending. Finally, the hydraulic column 20 and the two cylinders 23 work in sequence to quickly punch the upper die seat 24 toward the lower die seat 17 to complete the bending of the metal workpiece.

[0034] Before replacing the bending mold, it is necessary to start the third drive motor 27 first to rotate the two third drive gears 28 to drive the transmission of the transmission assembly 29, so that the two L-shaped rods of the transmission assembly 29 move away from each other to achieve the effect of moving the two support covers 13 away from each other, providing a rotation space for the second set frame 16, and then replace the bending mold. When the bending mold is replaced, the third drive motor 27 works again to rotate the two third drive gears 28 to drive the transmission of the transmission assembly 29, and then the two support covers 13 are close to each other until they can support the bottom end of the lower mold base 17 located at the top end of the circumference of the second set frame 16, further enhancing the stability of the lower mold base 17 when the metal workpiece is bent.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A metal processing anti-displacement bending device, comprising a machine body (1), a support rod (2) is rotatably mounted on one end of an outer wall of one side of the machine body (1), and a control panel (3) is rotatably mounted on the bottom end of the support rod (2), a protective door (4) is slidably mounted on the upper end of the inner wall of one end of the machine body (1), a ventilation fan (5) is fixedly mounted on the top end of the other end of the machine body (1), and a slag discharge door (6) is rotatably mounted on the bottom end of the other end of the machine body (1), characterized in that: A second rotating shaft is rotatably mounted on the lower end of the inner wall on both sides of the machine body (1), and a second sleeve (16) is fixedly sleeved on the circumference of the second rotating shaft, a second driven gear (11) is fixedly sleeved on one side of the circumference of the second rotating shaft, and a plurality of lower die seats (17) with equal angles are fixedly arranged on the circumference of the second sleeve (16). A first rotating shaft is rotatably mounted on the upper end of the inner wall on both sides of the machine body (1), and a first sleeve (18) is fixedly sleeved on the outer side of the circumference of the first rotating shaft, a first driven gear (10) is fixedly sleeved on one side of the circumference of the first rotating shaft, and a plurality of upper die seats (24) with equal angles are arranged on the circumference of the first sleeve (18). An arc groove (15) is formed at one end of the lower end of the inner wall on both sides of the machine body (1), and an anti-displacement component is arranged between the two arc grooves (15). A second drive motor (12) is fixedly mounted on the other side of the outer wall of one side of the machine body (1), and a bidirectional screw (25) is fixedly mounted on the output end of the second drive motor (12), and a clamping plate (26) is rotatably sleeved on both sides of the circumference of the bidirectional screw (25). A transmission box (7) is fixedly mounted in the middle of the outer wall of one side of the machine body (1), and a first drive motor (8) is fixedly mounted in the middle of the outer wall of one side of the transmission box (7), and a first drive gear (9) is fixedly mounted on the output end of the first drive motor (8), and the top and bottom ends of the circumference of the first drive gear (9) are respectively meshed with the bottom end of the circumference of the first driven gear (10) and the top end of the circumference of the second driven gear (11), and the anti-displacement component comprises a moving rod (14), and the moving rod (14) is fixedly mounted in the middle of the circumference. A mounting frame (31) is sleeved, hydraulic rods (32) are fixedly mounted on both sides of the mounting frame (31), and pressure plates (33) are fixedly mounted at the ends of the two hydraulic rods (32). A mounting plate (34) is fixedly sleeved on one side of the circumference of the moving rod (14), and a gear roller (36) is rotatably mounted on one side of the mounting plate (34) and the other side of the circumference of the moving rod (14). A fourth drive motor (37) is fixedly mounted on the other side of the mounting plate (34), and a fourth drive gear (38) is fixedly mounted on the output end of the fourth drive motor (37). A transmission gear (35) is fixedly sleeved on the gear roller (36) located on one side of the mounting plate (34), and the circumference of the fourth drive gear (38) is meshed with the circumference of the transmission gear (35). The machine body (1) has a plurality of gears (36) mounted on one side of the mounting plate (34). A third drive motor (27) is fixedly mounted in the middle of the lower end of the wall, and a third rotating shaft is fixedly mounted at the output end of the third drive motor (27), and third drive gears (28) are fixedly sleeved on both sides of the circumference of the third rotating shaft. Support covers (13) are arranged on the outer sides of both ends of the circumference of the second sleeve (16), and the top of the support cover (13) is in contact with the outer wall of the bottom end of the lower mold base (17) located at the top end of the circumference of the second sleeve (16). Transmission components (29) are arranged on both sides between the two support covers (13). A plurality of equidistant material guide plates (30) are fixedly mounted on the top of the support cover (13) near the feed port of the machine body (1), and the top of the material guide plate (30) is on the same horizontal plane as the top of the lower mold base (17) located at the top end of the circumference of the second sleeve (16).

2. The metal processing anti-displacement bending device according to claim 1, characterized in that: A plurality of racks with equal angles are fixedly arranged at the bottom ends of the two arc-shaped grooves (15), and the circumference of the toothed roller (36) is meshed with the plurality of racks.

3. The metal processing anti-displacement bending device according to claim 1, characterized in that: The bottom ends of the two clamping plates (26) are slidably attached to the top outer wall of the lower die seat (17) located at the top end of the circumference of the second frame (16).

4. The metal processing anti-displacement bending device according to claim 1, characterized in that: The transmission assembly (29) comprises two L-shaped rods, and a plurality of tooth grooves with equal distances are provided at the bottom end of one of the L-shaped rods and the top end of the other L-shaped rod. The third driving gear (28) is located between the two L-shaped rods, and the top end and the bottom end of the circumference of the third driving gear (28) are respectively meshed with a plurality of tooth grooves in two rows.

5. The metal processing anti-displacement bending device according to claim 1, characterized in that: The first frame (18) is provided with a plurality of first receiving frames (19) at equal angles on its circumference, and a hydraulic column (20) is fixedly installed in the middle of the first receiving frame (19), and telescopic guide sleeves (21) are fixedly installed on both sides of the first receiving frame (19), a second receiving frame (22) is fixedly connected between the movable ends of the hydraulic column (20) and the two telescopic guide sleeves (21), and cylinders (23) are fixedly installed on both sides of the second receiving frame (22), and an upper die seat (24) is fixedly installed between the movable ends of the two cylinders (23).

6. The metal processing anti-displacement bending device according to claim 5, characterized in that: The upper die seats (24) and the lower die seats (17) have the same number and distribution angle, and each upper die seat (24) matches one of the lower die seats (17).

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