Metal plate pressing and bending device

Abstract

The invention provides a metal plate pressing and bending device and relates to the technical field of metal plate bending, the metal plate pressing and bending device comprises a base, an auxiliary structure and a mounting structure, a machine body is mounted at the upper end of the base, a power supply device is mounted at one end of the machine body, a bent part is mounted at the lower end of the machine body, and a fixing seat is mounted on the upper surface of the base; a fixing seat is arranged on the base, a connecting seat is arranged above the fixing seat, the connecting seat is connected with the fixing seat through a mounting structure, two bearing parts are mounted on one side of the base, and a control panel is mounted at the end, away from the power supply device, of the machine body. The angle of the iron part needing to be bent can be accurately measured, the tedious operation of independently measuring the length of the iron part is avoided, meanwhile, the equipment design is reasonable, adjustment of different lengths is supported, higher flexibility and adaptability are provided, it is ensured that the iron part bending operation can be efficiently and accurately completed in various operation environments, and the working efficiency is improved. The production efficiency is improved; and personal errors are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of metal plate bending, and particularly relates to a metal plate pressing and bending device. BACKGROUND

[0002] A bending machine is one of the key equipment in metal processing, and is widely used in the bending processing of metal plates. Its main function is to bend metal plates into specified angles or shapes through dies and pressure to meet different industrial needs.

[0003] The prior art such as the patent with the publication number CN118417381A discloses a numerical control bending machine. The patent sets the metal plate on the supporting plate, and can avoid the problem of unstable position of the metal plate during bending. In addition, the technical solution can bend metal rods or metal pipes during actual use, so as to effectively improve the use range of the bending machine and reduce the use limitation of the bending machine.

[0004] The inventor found in use that the existing metal processing field, the bending machine is widely used in the bending processing of various metal plates. However, most of the current bending machines have the problem of being unable to accurately and conveniently measure the bending size. Specifically, the existing bending machine usually relies on manual measurement or traditional manual tools to check the size of the bent metal part. This measurement method not only consumes time and effort, but also is easily affected by the subjective error of the operator, thereby reducing the processing accuracy. In addition, the existing bending machine lacks an effective automatic size measurement and adjustment system, so that the size control in the production process depends on experience and manual calibration, thereby affecting the consistency and quality of the product. SUMMARY

[0005] The purpose of the present application is to solve the problem that the existing bending machine cannot measure the size of the bending in the prior art, and a metal plate pressing and bending device is proposed.

[0006] In order to achieve the above object, the technical scheme adopted by the present application is as follows: a metal plate pressing and bending device, comprising a base, an auxiliary structure and a mounting structure, the upper end of the base is provided with a body, one end of the body is provided with a power supply device, the lower end of the body is provided with a bending piece, the upper surface of the base is provided with a fixing seat, the upper side of the fixing seat is provided with a connecting seat, the connecting seat is connected with the fixing seat through the mounting structure, one side of the base is provided with two bearing pieces, the end of the body away from the power supply device is provided with a control panel, and the inner wall of the base is provided with the auxiliary structure.

[0007] Preferably, the auxiliary structure comprises a screw rod, the screw rod is rotationally connected with the base, one end of the screw rod close to the base is rotationally connected with a stabilizing plate, the stabilizing plate is fixedly connected with the base, the surface of the screw rod is threadedly connected with a follower plate, the upper end of the follower plate is fixedly connected with a baffle, the lower surface of the baffle is fixedly connected with two link plates, one side of the link plate close to the connecting seat is fixedly connected with a scale rod, the upper surface of both ends of the baffle is fixedly connected with a connecting rod, both sides of the inner wall of the body are fixedly connected with a connecting rail, the inner wall of the connecting rail is slidingly connected with a sliding block, and the sliding block is fixedly connected with the connecting rod.

[0008] By adopting the preferred scheme, when the iron piece needs to be bent, the screw rod is rotated and moved, the screw rod is rotated on the stabilizing plate, the screw rod drives the follower plate to move, the follower plate drives the baffle to move, the baffle drives the link plate to move, the link plate drives the scale rod to move, the baffle drives the connecting rod to move, and the connecting rod drives the sliding block to slide on the inner wall of the connecting rail. When the scale rod is positioned at a suitable scale, the baffle can bend the iron piece to a suitable length.

[0009] Preferably, one end of the screw rod away from the baffle is fixedly connected with a rotating plate, and the cross section of the rotating plate is in the shape of plum blossom.

[0010] By adopting the preferred scheme, when the screw rod needs to be rotated, the rotating plate can be directly rotated, the rotating plate drives the screw rod to rotate, and the rotating plate makes it more convenient to rotate the screw rod.

[0011] Preferably, a limiting rod is fixedly connected in the connecting rail, and the limiting rod is slidingly connected with the sliding block.

[0012] By adopting the preferred scheme, the limiting rod can limit the sliding block, so that the sliding block is prevented from deviating when sliding on the inner wall of the connecting rail.

[0013] Preferably, a protective pad is fixedly connected to one side of the baffle close to the connecting seat, and the protective pad is a rubber pad.

[0014] By adopting the preferred solution, the protective pad can protect the folded iron piece, and the iron piece is prevented from being abraded when abutting against the baffle.

[0015] Preferably, the base is provided with a mounting structure near one side of the carrier, the mounting structure comprises a hydraulic rod, the hydraulic rod is fixedly connected with the base, the output end of the hydraulic rod is fixedly connected with a mounting plate, the upper end of the mounting plate is fixedly connected with a connecting frame, two adjusting rods are rotatably connected with the inner wall of the connecting frame, the end of the adjusting rod away from the connecting frame is rotatably connected with a connecting frame, the connecting frame is slidably connected with the fixed seat, the end of the connecting frame away from the fixed seat is fixedly connected with an auxiliary plate, two insertion rods are fixedly connected with the side of the auxiliary plate close to the connecting seat, two insertion holes are formed in the two ends of the connecting seat, and the insertion holes are matched with the insertion rods.

[0016] By adopting the preferred solution, when the connecting piece needs to be installed, the connecting piece is moved by pulling, and then placed on the fixed piece, and then the hydraulic rod is started to operate, the connecting frame is moved by the hydraulic rod, the adjusting rod is moved by the connecting frame, the connecting frame is moved by the adjusting rod, the auxiliary plate and the insertion rod are moved by the connecting frame, and then the connecting frame is inserted into the fixed piece, and the insertion rod is inserted into the insertion hole for fixation.

[0017] Preferably, the inner wall of the insertion hole is fixedly connected with an anti-skid sleeve, and the anti-skid sleeve is a rubber sleeve.

[0018] By adopting the preferred solution, the anti-skid sleeve can increase the friction between the insertion rod and the insertion hole, and prevent the insertion rod from sliding when connected with the insertion hole.

[0019] Preferably, two sides of the carrier away from the base are provided with an adjusting structure, the adjusting structure comprises two sliding rails, the two sliding rails are both formed in the carrier, the inner wall of the sliding rail is slidably connected with a moving block, the side of the two moving blocks close to each other is fixedly connected with a fixed plate, the upper end of the fixed plate is fixedly connected with a square plate, a plurality of auxiliary grooves are formed in the inner wall of the square plate, the inner wall of the auxiliary groove is rotatably connected with a roller, the side of the moving block away from the fixed plate is fixedly connected with a connecting plate, the inner wall of the connecting plate is threadedly connected with a lead screw, the lead screw abuts against the sliding rail, the inside of the sliding rail is fixedly connected with a sliding rod, and the sliding rod is slidably connected with the moving block.

[0020] By adopting the preferred solution, when the rollers inside the square plate need to be adjusted to facilitate the movement of the iron piece, the connecting plate is moved by pulling, the sliding block and the lead screw are moved by the connecting plate, the fixed plate is moved by the sliding block, the square plate is moved by the fixed plate, the auxiliary groove and the roller are moved by the square plate, then the roller abuts against the iron piece on the carrier, and then the roller rotates on the inner wall of the auxiliary groove when the iron piece is pushed, thereby facilitating the pushing and bending of the iron piece.

[0021] Preferably, the lead screw is fixedly connected with a non-slip pad near one end of the slide rail, and the non-slip pad is a rubber pad.

[0022] With the preferred scheme, the non-slip pad can increase the friction between the lead screw and the slide rail, avoiding sliding when the lead screw and the slide rail are abutted and fixed.

[0023] Preferably, the circular surface of the roller is provided with a plurality of notches, and the plurality of notches are uniformly distributed on the roller.

[0024] With the preferred scheme, the notches can increase the friction between the roller and the contact surface, avoiding sliding when the roller contact surface is in contact, so that the iron sword cannot move.

[0025] Compared with the prior art, the advantages and positive effects of the present application are that, 1. In the present application, by setting the auxiliary structure, the angle of the iron piece that needs to be bent can be accurately measured, avoiding the tedious operation of measuring the length of the iron piece alone. At the same time, the device is reasonably designed, supports adjustment of different lengths, provides higher flexibility and adaptability, ensures that the iron bending operation can be efficiently and accurately completed in various operating environments, improves production efficiency and reduces human error.

[0026] 2. In the present application, by setting the mounting structure, the connecting seat can be quickly replaced, significantly improving the operation efficiency. Through the optimized interface structure, users can easily install connecting seats of different models, ensuring that the device has high compatibility and flexibility in various application scenarios. This design not only improves the convenience of operation, but also effectively shortens the replacement time, enhances the overall operation efficiency and stability of the production line.

[0027] 3. In the present application, by setting the adjusting structure, the stiffness of the roller and the square plate can be quickly adjusted, and the iron piece can be conveniently pushed to bend. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 A perspective structural schematic diagram of a metal plate bending device is proposed for the present application; Figure 2 An auxiliary structure schematic diagram of a metal plate bending device is proposed for the present application; Figure 3 A metal plate bending device is proposed for the present application Figure 2 A magnified view of A is proposed for the present application; Figure 4 A side structural schematic diagram of a metal plate bending device is proposed for the present application Figure 2 ; and Figure 5 This invention proposes a metal sheet pressing and bending device. Figure 4 Enlarged view of point B; Figure 6 This invention provides a schematic diagram of the installation structure of a metal sheet pressing and bending device; Figure 7 This invention proposes a metal sheet pressing and bending device. Figure 6 Enlarged view of point C; Figure 8 This invention provides a schematic diagram of the adjustment structure of a metal sheet pressing and bending device; Figure 9 This invention proposes a metal sheet pressing and bending device. Figure 8 Enlarged view of point D.

[0029] Legend: 1. Base; 2. Power supply device; 3. Bearing component; 4. Control panel; 5. Body; 6. Bending component; 7. Auxiliary structure; 701. Rotating plate; 702. Scale rod; 703. Screw; 704. Baffle; 705. Protective pad; 706. Connecting rod; 707. Connecting rail; 708. Stabilizing plate; 709. Connecting plate; 710. Follower plate; 711. Slider; 712. Limiting rod; 8. Mounting structure; 81. Adjusting rod; 8 2. Connecting frame; 83. Hydraulic rod; 84. Mounting plate; 85. Insertion hole; 86. Insert rod; 87. Anti-slip sleeve; 88. Auxiliary plate; 89. Connecting frame; 9. Adjustment structure; 901. Square plate; 902. Auxiliary groove; 903. Roller; 904. Groove; 905. Fixing plate; 906. Moving block; 907. Connecting plate; 908. Lead screw; 909. Anti-slip pad; 910. Slide rod; 911. Slide rail; 10. Connecting seat; 11. Fixing seat. Detailed Implementation

[0030] To better understand the above-mentioned objectives, features, and advantages of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0031] Numerous specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways than those described herein, and therefore the invention is not limited to the specific embodiments disclosed in the following specification.

[0032] Example 1, such as Figures 1-9As shown, the present application provides a metal plate pressing and bending device, which comprises a base 1, an auxiliary structure 7 and a mounting structure 8, the upper end of the base 1 is provided with a body 5, one end of the body 5 is provided with a power supply device 2, the lower end of the body 5 is provided with a bending piece 6, the upper surface of the base 1 is provided with a fixed seat 11, the upper side of the fixed seat 11 is provided with a connecting seat 10, the connecting seat 10 is connected with the fixed seat 11 through the mounting structure 8, one side of the base 1 is provided with two bearing pieces 3, the end of the body 5 away from the power supply device 2 is provided with a control panel 4, the inner wall of the base 1 is provided with the auxiliary structure 7, one side of the base 1 close to the bearing piece 3 is provided with the mounting structure 8, and the side of the two bearing pieces 3 away from the base 1 is provided with an adjusting structure 9.

[0033] The specific settings and effects of the auxiliary structure 7, the mounting structure 8 and the adjusting structure 9 will be described below.

[0034] As Figures 2 to 5As shown, the auxiliary structure 7 includes a screw rod 703, which is rotationally connected with the base 1, and one end of the screw rod 703 is rotationally connected with a stabilizing plate 708, which is fixedly connected with the base 1, and the surface of the screw rod 703 is threadedly connected with a follower plate 710, the upper end of the follower plate 710 is fixedly connected with a baffle plate 704, the lower surface of the baffle plate 704 is fixedly connected with two adapter plates 709, one side of the adapter plate 709 close to the connecting seat 10 is fixedly connected with a scale rod 702, the upper surfaces of both ends of the baffle plate 704 are fixedly connected with a connecting rod 706, both sides of the inner wall of the machine body 5 are fixedly connected with a connecting rail 707, the inner wall of the connecting rail 707 is slidingly connected with a sliding block 711, and the sliding block 711 is fixedly connected with the connecting rod 706. When it is necessary to bend the iron piece, the screw rod 703 is rotated to move, the screw rod 703 rotates on the stabilizing plate 708, the screw rod 703 drives the follower plate 710 to move, the follower plate 710 drives the baffle plate 704 to move, the baffle plate 704 drives the adapter plate 709 to move, the adapter plate 709 drives the scale rod 702 to move, the baffle plate 704 drives the connecting rod 706 to move, and the connecting rod 706 drives the sliding block 711 to slide on the inner wall of the connecting rail 707. When the scale rod 702 is positioned at a suitable scale, the baffle plate 704 can bend the iron piece to a suitable length, one end of the screw rod 703 away from the baffle plate 704 is fixedly connected with a rotating plate 701, and the cross section of the rotating plate 701 is in the shape of plum blossom. When it is necessary to rotate the screw rod 703, the rotating plate 701 can be directly rotated to rotate the screw rod 703, and the rotating plate 701 makes it more convenient to rotate the screw rod 703. The inner portion of the connecting rail 707 is fixedly connected with a limiting rod 712, and the limiting rod 712 is slidingly connected with the sliding block 711. The limiting rod 712 can limit the sliding block 711 to avoid deviation of the sliding block 711 when sliding on the inner wall of the connecting rail 707. The side of the baffle plate 704 close to the connecting seat 10 is fixedly connected with a protective pad 705, and the protective pad 705 is a rubber pad. The protective pad 705 can protect the bent iron piece from being abraded when abutting against the baffle plate 704.

[0035] The auxiliary structure 7 can accurately measure the angle of the iron piece to be bent, avoiding the tedious operation of separately measuring the length of the iron piece. Meanwhile, the device is reasonably designed, supports the adjustment of different lengths, provides higher flexibility and adaptability, ensures efficient and accurate completion of the iron piece bending operation in various working environments, improves production efficiency and reduces human error.

[0036] As Figure 6 and Figure 7As shown, the mounting structure 8 includes a hydraulic rod 83 fixedly connected with the base 1, the output end of the hydraulic rod 83 is fixedly connected with a mounting plate 84, the upper end of the mounting plate 84 is fixedly connected with a connecting frame 82, the inner wall of the connecting frame 82 is rotatably connected with two adjusting rods 81, one end of the adjusting rod 81 away from the connecting frame 82 is rotatably connected with a connecting frame 89, the connecting frame 89 is slidably connected with the fixed seat 11, one end of the connecting frame 89 away from the fixed seat 11 is fixedly connected with an auxiliary plate 88, one side of the auxiliary plate 88 close to the connecting seat 10 is fixedly connected with two plug rods 86, both ends of the connecting seat 10 are provided with two insertion holes 85, the insertion hole 85 is matched with the plug rod 86. When the connecting piece needs to be installed, pull the connecting piece to move, then place the connecting piece on the fixed piece, then start the hydraulic rod 83 to operate, the hydraulic rod 83 drives the connecting frame 82 to move, the connecting frame 82 drives the adjusting rod 81 to move, the adjusting rod 81 drives the connecting frame 89 to move, the connecting frame 89 drives the auxiliary plate 88 and the plug rod 86 to move, then the connecting frame 89 is inserted into the fixed piece, the plug rod 86 is inserted into the insertion hole 85 for fixation, the inner wall of the insertion hole 85 is fixedly connected with an anti-skid sleeve 87, the anti-skid sleeve 87 is a rubber sleeve. The anti-skid sleeve 87 can increase the friction between the plug rod 86 and the insertion hole 85, so as to avoid sliding when the plug rod 86 and the insertion hole 85 are connected.

[0037] The whole mounting structure 8 achieves the effect of facilitating quick replacement of the connecting seat 10, significantly improving the operation efficiency. Through the optimized interface structure, users can easily install different models of connecting seats 10, ensuring that the equipment has high compatibility and flexibility in various application scenarios. This design not only improves the convenience of operation, but also effectively shortens the replacement time, enhances the overall operation efficiency and stability of the production line.

[0038] As Figure 8 and Figure 9As shown, the adjusting structure 9 comprises two slide rails 911, both of which are arranged on the carrier 3, the inner wall of the slide rail 911 is slidably connected with a moving block 906, the side close to each other of the two moving blocks 906 is fixedly connected with a fixed plate 905, the upper end of the fixed plate 905 is fixedly connected with a square plate 901, the inner wall of the square plate 901 is arranged with a plurality of auxiliary grooves 902, the inner wall of the auxiliary groove 902 is rotatably connected with a roller 903, the side away from the fixed plate 905 of the moving block 906 is fixedly connected with a connecting plate 907, the inner wall of the connecting plate 907 is threadedly connected with a lead screw 908, the lead screw 908 abuts against the slide rail 911, the inner portion of the slide rail 911 is fixedly connected with a slide rod 910, and the slide rod 910 is slidably connected with the moving block 906. When it is necessary to adjust the roller 903 inside the square plate 901 to facilitate the movement of the iron piece, the connecting plate 907 is pulled to move, the connecting plate 907 drives the slide block 711 and the lead screw 908 to move, the slide block 711 drives the fixed plate 905 to move, the fixed plate 905 drives the square plate 901 to move, the square plate 901 drives the auxiliary groove 902 and the roller 903 to move, then the roller 903 abuts against the iron piece on the carrier 3, then the roller 903 rotates on the inner wall of the auxiliary groove 902 when the iron piece is pushed, thereby facilitating the bending of the iron piece, and the end of the lead screw 908 close to the slide rail 911 is fixedly connected with an anti-skid pad 909, and the anti-skid pad 909 is a rubber pad. The anti-skid pad 909 can increase the friction between the lead screw 908 and the slide rail 911, so as to avoid sliding when the lead screw 908 abuts against and fixes the slide rail 911, the arc surface of the roller 903 is arranged with a plurality of notches 904, and the plurality of notches 904 are uniformly distributed on the roller 903. The notches 904 can increase the friction between the roller 903 and the contact surface, so as to avoid sliding of the contact surface of the roller 903 when the contact surface is contacted, thereby preventing the iron sword from being unable to move.

[0039] The whole adjusting structure 9 can conveniently and quickly adjust the rigidity of the roller 903 and the square plate 901, and can conveniently bend the iron piece.

[0040] The working principle of the whole is that when the iron piece needs to be bent, the screw rod 703 is rotated and moved, the screw rod 703 rotates on the stabilizing plate 708, the screw rod 703 drives the follower plate 710 to move, the follower plate 710 drives the baffle 704 to move, the baffle 704 drives the adapter plate 709 to move, the adapter plate 709 drives the scale rod 702 to move, the baffle 704 drives the connecting rod 706 to move, the connecting rod 706 drives the sliding block 711 to slide in the inner wall of the connecting rail 707, and the sliding block 711 is positioned when it moves to the appropriate scale on the scale rod 702. Then the baffle 704 can bend the iron piece to the appropriate length, and the baffle 704 can be directly rotated when the screw rod 703 needs to be rotated, the baffle 704 drives the screw rod 703 to rotate, and the baffle 704 makes the rotating screw rod 703 more convenient. The limiting rod 712 can limit the sliding block 711 to avoid deviation when the sliding block 711 slides in the inner wall of the connecting rail 707, and the protective pad 705 can protect the bent iron piece from being abraded when the iron piece abuts against the baffle 704.

[0041] When the connecting piece needs to be installed, pull the connecting piece to move, then place the connecting piece on the fixing piece, then start the hydraulic rod 83 to operate, the hydraulic rod 83 drives the connecting frame 82 to move, the connecting frame 82 drives the adjusting rod 81 to move, the adjusting rod 81 drives the adapter frame 89 to move, the adapter frame 89 drives the auxiliary plate 88 and the plug rod 86 to move, then the adapter frame 89 is inserted into the fixing piece, the plug rod 86 is inserted into the insertion hole 85 to be fixed, and the anti-skid sleeve 87 can increase the friction between the plug rod 86 and the insertion hole 85 to avoid sliding when the plug rod 86 is connected with the insertion hole 85.

[0042] When the roller 903 inside the square plate 901 needs to be adjusted to facilitate the movement of the iron piece, pull the connecting plate 907 to move, the connecting plate 907 drives the sliding block 711 and the screw rod 908 to move, the sliding block 711 drives the fixed plate 905 to move, the fixed plate 905 drives the square plate 901 to move, the square plate 901 drives the auxiliary groove 902 and the roller 903 to move, then the roller 903 abuts against the iron piece on the carrier 3, then the roller 903 rotates in the inner wall of the auxiliary groove 902 when the iron piece is pushed, thereby facilitating the pushing of the iron piece to be bent, the anti-skid pad 909 can increase the friction between the screw rod 908 and the sliding rail 911 to avoid sliding when the screw rod 908 abuts against the sliding rail 911 to be fixed, and the slot 904 can increase the friction between the roller 903 and the contact surface to avoid sliding when the roller 903 contact surface is in contact, so that the iron sword cannot move.

[0043] The above merely describes preferred embodiments of the present application, but is not intended to limit the present application to other forms, any person skilled in the art can make changes or modifications to the above disclosed technical contents into equivalent embodiments with equivalent changes, and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical solution content of the present application still belongs to the protection scope of the present application technical solution.

Claims

1. A metal sheet pressing and bending device, comprising a base (1), an auxiliary structure (7), and a mounting structure (8), characterized in that: An organism (5) is installed on the upper end of the base (1). A power supply device (2) is installed on one end of the organism (5). A bending member (6) is installed on the lower end of the organism (5). A fixed seat (11) is installed on the upper surface of the base (1). A connecting seat (10) is provided above the fixed seat (11). The connecting seat (10) is connected to the fixed seat (11) by means of an installation structure (8). Two bearing members (3) are installed on one side of the base (1). A control panel (4) is installed on the end of the organism (5) away from the power supply device (2). An auxiliary structure (7) is provided on the inner wall of the base (1).

2. The metal sheet pressing and bending device according to claim 1, characterized in that: The auxiliary structure (7) includes a screw (703), which is rotatably connected to the base (1). A stabilizing plate (708) is rotatably connected to one end of the screw (703) near the base (1). The stabilizing plate (708) is fixedly connected to the base (1). A follower plate (710) is threadedly connected to the surface of the screw (703). A baffle (704) is fixedly connected to the upper end of the follower plate (710). Two connecting plates (709) are fixedly connected to the lower surface of the baffle (704). A scale rod (702) is fixedly connected to one side of the connecting plate (709) near the connecting seat (10). A connecting rod (706) is fixedly connected to the upper surfaces of both ends of the baffle (704). A connecting rail (707) is fixedly connected to both sides of the inner wall of the body (5). A slider (711) is slidably connected to the inner wall of the connecting rail (707). The slider (711) is fixedly connected to the connecting rod (706).

3. The metal sheet pressing and bending device according to claim 2, characterized in that: The end of the screw (703) away from the baffle (704) is fixedly connected to a rotating plate (701), and the cross section of the rotating plate (701) is shaped like a plum blossom.

4. The metal sheet pressing and bending device according to claim 2, characterized in that: The connecting rail (707) is internally fixedly connected to a limiting rod (712), and the limiting rod (712) is slidably connected to the slider (711).

5. A metal sheet pressing and bending device according to claim 2, characterized in that: A protective pad (705) is fixedly connected to the side of the baffle (704) near the connecting seat (10), and the protective pad (705) is a rubber pad.

6. The metal sheet pressing and bending device according to claim 1, characterized in that: The base (1) has an installation structure (8) on the side near the support member (3). The installation structure (8) includes a hydraulic rod (83), which is fixedly connected to the base (1). The output end of the hydraulic rod (83) is fixedly connected to an installation plate (84). The upper end of the installation plate (84) is fixedly connected to a connecting frame (82). The inner wall of the connecting frame (82) is rotatably connected to two adjusting rods (81). The end of the adjusting rod (81) away from the connecting frame (82) is rotatably connected to a connecting frame (89). The connecting frame (89) is slidably connected to the fixed seat (11). The end of the connecting frame (89) away from the fixed seat (11) is fixedly connected to an auxiliary plate (88). The side of the auxiliary plate (88) near the connecting seat (10) is fixedly connected to two insert rods (86). Both ends of the connecting seat (10) have two insertion holes (85), which are adapted to the insert rods (86).

7. A metal sheet pressing and bending device according to claim 6, characterized in that: The inner wall of the socket (85) is fixedly connected with an anti-slip sleeve (87), which is a rubber sleeve.

8. The metal sheet pressing and bending device according to claim 1, characterized in that: An adjustment structure (9) is provided on the side of each of the two support members (3) away from the base (1). The adjustment structure (9) includes two slide rails (911). Both slide rails (911) are opened on the support member (3). A moving block (906) is slidably connected to the inner wall of the slide rail (911). A fixing plate (905) is fixedly connected to the side of the two moving blocks (906) that are close to each other. A square plate (901) is fixedly connected to the upper end of the fixing plate (905). The inner wall of the square plate (901) is... A plurality of auxiliary grooves (902) are provided. Rollers (903) are rotatably connected to the inner wall of the auxiliary grooves (902). A connecting plate (907) is fixedly connected to the side of the moving block (906) away from the fixed plate (905). A lead screw (908) is threadedly connected to the inner wall of the connecting plate (907). The lead screw (908) abuts against the slide rail (911). A slide rod (910) is fixedly connected inside the slide rail (911). The slide rod (910) is slidably connected to the moving block (906).

9. A metal sheet pressing and bending device according to claim 8, characterized in that: The lead screw (908) is fixedly connected to an anti-slip pad (909) near the slide rail (911), and the anti-slip pad (909) is a rubber pad.

10. A metal sheet pressing and bending device according to claim 8, characterized in that: The roller (903) has a plurality of slots (904) on its arc surface, and the plurality of slots (904) are evenly distributed on the roller (903).

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