Multifunctional punching and shearing machine

Abstract

The utility model relates to the technical field of punching and shearing machines, in particular to a multifunctional punching and shearing machine. The technical problems that when an existing punching and shearing machine carries out punching work, steel is usually fed in a handheld mode, continuous and uniform punching work cannot be achieved, and hole distances are possibly inconsistent or do not meet the design requirement are solved. According to the technical scheme, the multifunctional punching and shearing machine comprises a punching and shearing machine body, a feeding assembly, a punching assembly, a cutting-off assembly, an adjusting assembly, a corner cutting assembly, a punching cutter and a hydraulic push rod. Compared with an existing punching and shearing machine, when punching work is carried out, continuous and uniform punching work cannot be achieved due to the fact that steel is usually fed in a hand-held mode, and the hole distances are possibly inconsistent or do not meet the design requirement, automatic feeding is carried out on a punching station of the punching and shearing machine through the arrangement of the automatic feeding assembly, and the punching and shearing machine is convenient to use. Compared with manual work, the punching device is more accurate and safer, and punching work can be continuously and evenly conducted.

Description

Technical Field

[0001] The utility model relates to the technical field of punching and shearing machines, in particular to a multifunctional punching and shearing machine. Background Art

[0002] Punching and shearing machine is a very practical mechatronic equipment, which is mainly used for cutting, punching, shearing and other operations of metal materials, and shearing metal plates, bars, etc. into required shapes. In the metal processing industry, punching and shearing machine plays a very important role, which not only improves production efficiency, but also helps to reduce production costs. At present, punching and shearing machine can perform multiple modes of operation on one machine, and punch or shear a variety of steel materials such as ordinary steel plates, special-shaped steels, angle steels, etc., but the feeding of steel is usually handheld, especially when punching, continuous and uniform punching cannot be achieved, and it may also cause inconsistent hole spacing or fail to meet design requirements. Utility Model Content

[0003] In order to overcome the problem that the steel is usually fed by hand during punching work of the current punching and shearing machines, continuous and uniform punching work cannot be achieved, and the hole spacing may also be inconsistent or not meet the design requirements.

[0004] The technical solution of the utility model is: a multifunctional punching and shearing machine, comprising a punching and shearing machine body, a feeding assembly, a punching assembly, a cutting assembly, an adjusting assembly, a corner cutting assembly, a punching cutter and a hydraulic push rod, the feeding assembly is arranged on one side of the punching and shearing machine body, the punching assembly is arranged between the plastic assembly and the punching and shearing machine body, the cutting assembly is arranged on the front side, the adjusting assembly is arranged on the rear side of the punching and shearing machine body, the corner cutting assembly is arranged on the other side of the punching and shearing machine body, the punching cutter is arranged inside the punching and shearing machine body, and the hydraulic push rod is arranged above the punching and shearing machine body.

[0005] Preferably, by setting up a feeding assembly, the punching assembly can feed the material at a uniform speed, so that the punching assembly can punch holes evenly on the steel material, by setting up a cutting assembly and a punching cutter to cooperate with each other, the steel material can be cut, by setting up an adjusting assembly, the steel material can be limited, so that the length of the cut steel material is equal, by setting up an angle cutting assembly, the steel material can be angle cut, and by setting up a hydraulic push rod, the punching cutter is powered.

[0006] Preferably, the feeding assembly includes a mounting column, a servo motor, a driving screw and a support frame. The mounting column is arranged on one side of the punching and shearing machine body. Two groups of mounting columns are arranged. The servo motor is arranged on one side of one group of mounting columns. The driving screw passes through this group of mounting columns. One end of the driving screw is fixedly connected to the output end of the servo motor, and the other end of the driving screw is rotatably connected to another group of mounting columns. The support frame is arranged on one side of the other group of mounting brackets. The servo motor and the driving screw are supported and installed by arranging the mounting column, the driving screw is driven to rotate by arranging the servo motor, and one end of the steel material is supported by arranging the support frame.

[0007] Preferably, the feeding assembly also includes an internal thread mounting frame, a telescopic rod, a pressure plate and a reserved slot, the driving screw passes through the internal thread mounting frame, the driving screw is threadedly connected to the internal thread mounting frame, the telescopic rod is fixedly mounted on the top surface inside the internal thread mounting frame, the pressure plate is fixedly mounted below the telescopic rod, and a reserved slot is provided on the bottom surface of the internal thread mounting frame; the internal thread mounting frame is provided to support one end of the steel material and install the telescopic rod, and the steel material on the internal thread support frame can be clamped by setting the telescopic rod to push the pressure plate, and the reserved slot is provided to facilitate the side clamping of the channel steel.

[0008] Preferably, the punching assembly includes a first mounting block, a round hole cutter head, a first placement rack and a reserved round hole, the first mounting block is fixedly mounted on one side of the punching cutter, the first mounting block is located outside the punching and shearing machine body, the round hole cutter head is fixedly mounted below the first mounting block, the first placement rack is fixedly mounted on one side of the punching and shearing machine body, the first placement rack is located below the round hole cutter head, and the first placement rack is provided with a reserved round hole; the round hole cutter head is supported and mounted by setting the first mounting block, the steel material is punched by setting the cooperation of the round hole cutter head and the first placement rack, and the waste material after punching is discharged by setting the reserved round hole.

[0009] Preferably, the punching assembly also includes a second mounting block, a strip hole cutter head, a second placement rack, a reserved strip hole and a blanking block, the second mounting block is fixedly mounted on one side of the punching cutter, the second mounting block is located outside the punching and shearing machine body, the top of the second mounting block is inclined, the strip hole cutter head is fixedly mounted below the second mounting block, the second placement rack is fixedly mounted on one side of the punching and shearing machine body, the second placement rack is located below the strip hole cutter head, the second placement rack is provided with a reserved strip hole, the blanking block is fixedly mounted on one side of the punching and shearing machine body, and the blanking block is located below the second placement rack; the strip hole cutter head is supported and mounted by arranging the second mounting block, and the inclined top is used to assist the waste material of the round hole punching to be discharged from the punching and shearing machine, the steel material is punched by arranging the strip hole cutter head and the second placement rack, the waste material after punching is discharged by arranging the reserved strip hole, and the discharged waste material is guided away from the punching and shearing machine by arranging the blanking block.

[0010] Preferably, the cutting assembly includes a reserved opening, a baffle, a channel steel opening, a round opening, a square opening, an angle steel opening and a bolt. Two groups of reserved openings are provided on the front side of the punching and shearing machine body. The reserved openings penetrate the punching and shearing machine body. The baffle is arranged outside the upper reserved opening. The baffle is fixedly connected to the punching and shearing machine body by bolts. The baffle is provided with a channel steel opening, a round opening, a square opening and an angle steel opening. The reserved openings are provided so that the steel material passes through the punching and shearing machine body, thereby punching and shearing the steel material. The baffle is provided so that different steel materials are limited. The channel steel opening, the round opening, the square opening and the angle steel opening are provided so that the channel steel, the round tube steel, the square tube steel and the angle steel pass through the punching and shearing machine body through the reserved openings for punching and shearing. The reserved opening without the baffle allows the flat steel to pass through the punching and shearing machine body for punching and shearing. The baffle is fixedly installed on the punching and shearing machine body by bolts for easy disassembly and replacement.

[0011] Preferably, the adjustment assembly includes a threaded rod, a limit plate and a sliding rod. The threaded rod is arranged on the rear side of the punching and shearing machine body, the threaded rod is rotatably connected to the punching and shearing machine body, the sliding rod is fixedly installed on the rear side of the punching and shearing machine body, the threaded rod passes through the limit plate, the sliding rod passes through the limit plate, the threaded rod is threadedly connected to the limit plate, and the sliding rod is slidably connected to the limit plate. By setting the threaded rod, the distance between the limit plate and the punching and shearing machine body can be adjusted. By setting the limit plate, the steel material passing through the reserved opening can be limited to ensure the consistency of the cut length of the steel material. The limit plate can be supported by setting the sliding rod.

[0012] Preferably, the corner cutting assembly includes a corner cutting head and a third placement rack. The corner cutting head is fixedly installed on one side of the punching cutter, and the corner cutting head is located outside the punching and shearing machine body. The third placement rack is fixedly installed on one side of the punching and shearing machine body, and the third placement rack is located below the corner cutting head. By setting the corner cutting head, the steel material can be cornered, and by setting the third placement rack, the steel material can be supported during the corner cutting process.

[0013] Beneficial effects of the utility model:

[0014] 1. Compared with the current punching and shearing machines, the feeding of steel is usually handheld during punching, which cannot achieve continuous and uniform punching work, and may also cause inconsistent hole spacing or fail to meet design requirements. This device automatically feeds the punching station of the punching and shearing machine by setting an automatic feeding component. Compared with manual work, it is more accurate and safer, and can perform punching work continuously and evenly;

[0015] 2. By placing one end of the steel material on the internal thread mounting frame and the other end on the support frame, the steel material can be fixed by pushing the pressing plate with the telescopic rod. If it is necessary to punch holes on the side of the channel steel, the channel steel can be placed vertically and inserted into the reserved notch, so that the side of the channel steel is placed on the internal thread mounting frame, and the pressing plate can be pushed with the telescopic rod to fix it;

[0016] 3. The servo motor drives the lead screw to rotate, thereby driving the internal thread mounting frame to move, thereby pushing the steel material on the internal thread mounting frame to move at a uniform speed, and the hydraulic push rod is used to push the punching cutter to reciprocate up and down, thereby driving the round hole cutter head and the strip hole cutter head to move, and punching the steel material transported by the internal thread mounting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a schematic diagram of the main perspective structure of the multifunctional punching and shearing machine of the utility model;

[0018] Figure 2 What is shown is a schematic diagram of the sectional three-dimensional structure of the multifunctional punching and shearing machine of the utility model;

[0019] Figure 3 The figure shows a rear-view stereoscopic structure diagram of the multifunctional punching and shearing machine of the utility model;

[0020] Figure 4 The multifunctional punching and shearing machine shown is a utility model Figure 3 The circle is an enlarged schematic diagram of the three-dimensional structure;

[0021] Figure 5 The figure shows a rear-view stereoscopic structure diagram of the multifunctional punching and shearing machine of the utility model without the feeding component;

[0022] Figure 6 What is shown is a schematic diagram of the exploded three-dimensional structure of the cutting assembly of the multifunctional punching and shearing machine of the utility model;

[0023] Figure 7 The three-dimensional structure diagram of the multifunctional punching and shearing machine baffle of the utility model is shown;

[0024] Figure 8 Shown is another rear-view stereoscopic structural schematic diagram of the multifunctional punching and shearing machine of the utility model;

[0025] Description of reference numerals: 1. Punching and shearing machine body; 2. Feeding assembly; 3. Punching assembly; 4. Cutting assembly; 5. Adjusting assembly; 6. Angle cutting assembly; 7. Punching cutter; 8. Hydraulic push rod; 201. Mounting column; 202. Servo motor; 203. Driving screw; 204. Support frame; 205. Internal thread mounting frame; 206. Telescopic rod; 207. Pressing plate; 208. Reserved notch; 301. First mounting block; 302. Round hole cutter head; 303 , first placement rack; 304, reserved round hole; 305, second mounting block; 306, strip hole cutter head; 307, second placement rack; 308, reserved strip hole; 309, blanking block; 401, reserved opening; 402, baffle; 403, channel steel opening; 404, round opening; 405, square opening; 406, angle steel opening; 407, bolt; 501, threaded rod; 502, limit plate; 503, slide rod; 601, angle cutting cutter head; 602, third placement rack. DETAILED DESCRIPTION

[0026] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0027] See also Figure 1-2 The utility model provides an embodiment: a multifunctional punching and shearing machine, including a punching and shearing machine body 1, a feeding component 2, a punching component 3, a cutting component 4, an adjusting component 5, a corner cutting component 6, a punching cutter 7 and a hydraulic push rod 8, the feeding component 2 is arranged on one side of the punching and shearing machine body 1, the punching component 3 is arranged between the plastic component and the punching and shearing machine body 1, the cutting component 4 is arranged on the front side, the adjusting component 5 is arranged on the rear side of the punching and shearing machine body 1, the corner cutting component 6 is arranged on the other side of the punching and shearing machine body 1, the punching cutter 7 is arranged inside the punching and shearing machine body 1, and the hydraulic push rod 8 is arranged above the punching and shearing machine body 1.

[0028] See also Figure 3-5In this embodiment, the feeding assembly 2 includes a mounting column 201, a servo motor 202, a driving screw 203 and a support frame 204. The mounting column 201 is arranged on one side of the punching and shearing machine body 1. The mounting column 201 is provided with two groups. The servo motor 202 is arranged on one side of a group of mounting columns 201. The driving screw 203 passes through this group of mounting columns 201. One end of the driving screw 203 is fixedly connected to the output end of the servo motor 202, and the other end of the driving screw 203 is rotatably connected to the other group of mounting columns 201. The support frame 204 is arranged on one side of the other group of mounting brackets. side; the servo motor 202 and the driving screw 203 are supported and installed by setting the mounting column 201, the driving screw 203 is driven to rotate by the servo motor 202, and one end of the steel material is supported by setting the support frame 204; the feeding assembly 2 also includes an internal thread mounting frame 205, a telescopic rod 206, a pressing plate 207 and a reserved notch 208, the driving screw 203 passes through the internal thread mounting frame 205, the driving screw 203 is threadedly connected to the internal thread mounting frame 205, the telescopic rod 206 is fixedly mounted on the top surface of the internal thread mounting frame 205, and the pressing plate 20 7 is fixedly installed below the telescopic rod 206, and a reserved notch 208 is provided on the bottom surface of the internal thread mounting frame 205; the internal thread mounting frame 205 is provided to support one end of the steel material and install the telescopic rod 206, and the steel material on the internal thread support frame 204 can be clamped by pushing the pressing plate 207 by the telescopic rod 206, and the reserved notch 208 is provided to facilitate the side placement of the channel steel to be clamped; the punching assembly 3 includes a first mounting block 301, a round hole cutter head 302, a first placement frame 303 and a reserved round hole 304, and the first mounting block 301 is fixedly installed on the punching cutter On one side of the knife 7, the first mounting block 301 is located outside the punching and shearing machine body 1, the round hole cutter head 302 is fixedly installed below the first mounting block 301, and the first placement rack 303 is fixedly installed on one side of the punching and shearing machine body 1, and the first placement rack 303 is located below the round hole cutter head 302, and a reserved round hole 304 is opened on the first placement rack 303; the round hole cutter head 302 is supported and installed by setting the first mounting block 301, and the steel material is punched by setting the cooperation of the round hole cutter head 302 and the first placement rack 303, and the waste material after punching is discharged by setting the reserved round hole 304;The punching assembly 3 also includes a second mounting block 305, a strip hole cutter head 306, a second placement rack 307, a reserved strip hole 308 and a blanking block 309. The second mounting block 305 is fixedly mounted on one side of the punching cutter 7. The second mounting block 305 is located outside the punching and shearing machine body 1. The top of the second mounting block 305 is tilted. The strip hole cutter head 306 is fixedly mounted below the second mounting block 305. The second placement rack 307 is fixedly mounted on one side of the punching and shearing machine body 1. The second placement rack 307 is located below the strip hole cutter head 306. A reserved strip hole 308 is provided on the rack 307, and a blanking block 309 is fixedly installed on one side of the punching and shearing machine body 1, and the blanking block 309 is located below the second placement rack 307; the strip hole cutter head 306 is supported and installed by setting the second installation block 305, and the inclined top is used to assist the waste material of the round hole punching to be discharged from the punching and shearing machine, and the steel material is punched by setting the strip hole cutter head 306 and the second placement rack 307, and the waste material after the punching is discharged by setting the reserved strip hole 308, and the discharged waste material is guided away from the punching and shearing machine by setting the blanking block 309. ;

[0029] See also Figure 6-8In this embodiment, the cutting assembly 4 includes a reserved opening 401, a baffle 402, a channel steel opening 403, a round opening 404, a square opening 405, an angle steel opening 406 and a bolt 407. Two groups of reserved openings 401 are opened on the front side of the punching and shearing machine body 1. The reserved openings 401 penetrate the punching and shearing machine body 1. The baffle 402 is arranged outside the upper reserved opening 401. The baffle 402 is fixedly connected to the punching and shearing machine body 1 by bolts 407. The baffle 402 is provided with a channel steel opening 403, a round opening 404, a square opening 405 and an angle steel opening 406; by setting the reserved openings 401, the steel material passes through The punching and shearing machine body 1 is provided to punch and shear the steel material. The baffle plate 402 is set to limit the position of different steel materials. The channel steel opening 403, the round opening 404, the square opening 405 and the angle steel opening 406 are set to respectively allow the channel steel, the round tube steel material, the square tube steel material and the angle steel to pass through the punching and shearing machine body 1 through the reserved opening 401 for punching and shearing. The reserved opening 401 without the baffle plate 402 can allow the flat steel to be punched and sheared through the punching and shearing machine body 1. The baffle plate 402 is fixedly installed on the punching and shearing machine body 1 by setting bolts 407, which is convenient for disassembly and replacement; the adjustment component 5 includes a threaded rod 501, a limit The threaded rod 501 is arranged on the rear side of the punching and shearing machine body 1, the threaded rod 501 is rotatably connected with the punching and shearing machine body 1, the slide rod 503 is fixedly installed on the rear side of the punching and shearing machine body 1, the threaded rod 501 passes through the limit plate 502, the slide rod 503 passes through the limit plate 502, the threaded rod 501 is threadedly connected with the limit plate 502, and the slide rod 503 is slidably connected with the limit plate 502; the distance between the limit plate 502 and the punching and shearing machine body 1 can be adjusted by setting the threaded rod 501, and the steel material passing through the reserved opening 401 can be limited by setting the limit plate 502 , which can ensure that the length of the cut steel material is consistent, and the limit plate 502 is supported by setting the sliding rod 503; the corner cutting assembly 6 includes a corner cutting head 601 and a third placement rack 602, the corner cutting head 601 is fixedly installed on one side of the punching cutter 7, the corner cutting head 601 is located outside the punching and shearing machine body 1, and the third placement rack 602 is fixedly installed on one side of the punching and shearing machine body 1, and the third placement rack 602 is located below the corner cutting head 601; the corner cutting head 601 can be used to cut the steel material, and the third placement rack 602 is used to support the steel material during the corner cutting process.

[0030] During the work, if it is necessary to punch holes in the steel material, first select the round hole cutter head 302 or the strip hole cutter head 306 according to the punching type, first move the internal thread mounting frame 205 to the end closest to the servo motor 202, place the steel material on the internal thread mounting frame 205, use the telescopic rod 206 to push the pressing plate 207 to press the steel material, and press the other end of the steel material on the first placement frame 303 or the second placement frame 307;

[0031] The servo motor 202 is used to drive the driving screw 203 to rotate, so that the internal thread mounting frame 205 slides forward, and at the same time, the hydraulic push rod 8 is used to push the punching cutter 7 to reciprocate up and down, driving the round hole cutter head 302 and the strip hole cutter head 306 to reciprocate up and down to punch the steel material;

[0032] If it is necessary to punch holes on the side of the channel steel, the channel steel can be placed on its side, inserted into the internal thread mounting frame 205 through the reserved notch 208, and the side surface can be placed on the internal thread mounting frame 205, and the above steps can be repeated to punch holes on the side surface;

[0033] If the steel material needs to be cut, the threaded rod 501 is used to adjust the sliding of the limit plate 502 to determine the appropriate width, and the limit plate 502 is used to limit the sheared steel material, so that the length of the cut steel material is equal;

[0034] Use bolts 407 to install baffles 402 of appropriate size, select channel steel openings 403, round openings 404, square openings 405 and angle steel openings 406 on baffles 402 according to the shape of the steel material, insert the steel material into the reserved opening 401 until the other end presses against the limit plate 502, and use hydraulic push rod 8 to push punch cutter 7 to cut. If cutting flat steel, press against the limit plate 502 through the reserved opening 401 below to cut;

[0035] If the steel material needs to be cut at an angle, the steel material is held and one end is placed on the third placement rack 602, the angle is adjusted, and the hydraulic push rod 8 is used to push the punching cutter 7, thereby driving the cutting head 601 to move and cut the steel material at an angle.

[0036] Through the above steps, the feeding component 2 is set to feed the punching component 3 at a uniform speed, so that the punching component 3 can punch holes evenly on the steel material, the steel material is cut by setting the cooperation of the cutting component 4 and the punching cutter 7, the steel material is limited by setting the adjusting component 5, so that the length of the cut steel material is equal, the steel material can be cut by setting the cutting component 6, and the punching cutter 7 is powered by setting the hydraulic push rod 8.

[0037] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A multifunctional punching and shearing machine, comprising a punching and shearing machine body (1); characterized in that: The invention also comprises a feeding assembly (2), a punching assembly (3), a cutting assembly (4), an adjusting assembly (5), a corner cutting assembly (6), a punching cutter (7) and a hydraulic push rod (8); the feeding assembly (2) is arranged on one side of the punching and shearing machine body (1); the punching assembly (3) is arranged between the plastic assembly and the punching and shearing machine body (1); the cutting assembly (4) is arranged on the front side; the adjusting assembly (5) is arranged on the rear side of the punching and shearing machine body (1); the corner cutting assembly (6) is arranged on the other side of the punching and shearing machine body (1); the punching cutter (7) is arranged inside the punching and shearing machine body (1); and the hydraulic push rod (8) is arranged above the punching and shearing machine body (1).

2. A multifunctional punching and shearing machine according to claim 1, characterized in that: The feeding assembly (2) comprises a mounting column (201), a servo motor (202), a driving screw (203) and a support frame (204); the mounting column (201) is arranged on one side of the punching and shearing machine body (1); two groups of mounting columns (201) are arranged; the servo motor (202) is arranged on one side of one group of mounting columns (201); the driving screw (203) passes through the group of mounting columns (201); one end of the driving screw (203) is fixedly connected to the output end of the servo motor (202); the other end of the driving screw (203) is rotatably connected to the other group of mounting columns (201); and the support frame (204) is arranged on one side of the other group of mounting brackets.

3. A multifunctional punching and shearing machine according to claim 2, characterized in that: The feeding assembly (2) also includes an internal thread mounting frame (205), a telescopic rod (206), a pressure plate (207) and a reserved notch (208); the driving screw (203) passes through the internal thread mounting frame (205); the driving screw (203) is threadedly connected to the internal thread mounting frame (205); the telescopic rod (206) is fixedly mounted on the top surface inside the internal thread mounting frame (205); the pressure plate (207) is fixedly mounted below the telescopic rod (206); and a reserved notch (208) is provided on the bottom surface of the internal thread mounting frame (205).

4. A multifunctional punching and shearing machine according to claim 3, characterized in that: The punching assembly (3) comprises a first mounting block (301), a round hole cutter head (302), a first placement rack (303) and a reserved round hole (304); the first mounting block (301) is fixedly mounted on one side of the punching cutter (7); the first mounting block (301) is located outside the punching and shearing machine body (1); the round hole cutter head (302) is fixedly mounted below the first mounting block (301); the first placement rack (303) is fixedly mounted on one side of the punching and shearing machine body (1); the first placement rack (303) is located below the round hole cutter head (302); and the first placement rack (303) is provided with a reserved round hole (304).

5. A multifunctional punching and shearing machine according to claim 4, characterized in that: The punching assembly (3) also includes a second mounting block (305), a strip hole cutter head (306), a second placement rack (307), a reserved strip hole (308) and a blanking block (309). The second mounting block (305) is fixedly mounted on one side of the punching cutter (7). The second mounting block (305) is located outside the punching and shearing machine body (1). The top of the second mounting block (305) is tilted. The strip hole cutter head (306) is fixedly mounted below the second mounting block (305). The second placement rack (307) is fixedly mounted on one side of the punching and shearing machine body (1). The second placement rack (307) is located below the strip hole cutter head (306). The second placement rack (307) is provided with a reserved strip hole (308). The blanking block (309) is fixedly mounted on one side of the punching and shearing machine body (1). The blanking block (309) is located below the second placement rack (307).

6. A multifunctional punching and shearing machine according to claim 5, characterized in that: The cutting assembly (4) comprises a reserved opening (401), a baffle plate (402), a channel steel opening (403), a round opening (404), a square opening (405), an angle steel opening (406) and a bolt (407). Two groups of reserved openings (401) are provided on the front side of the punching and shearing machine body (1). The reserved openings (401) penetrate the punching and shearing machine body (1). The baffle plate (402) is arranged outside the upper reserved opening (401). The baffle plate (402) is fixedly connected to the punching and shearing machine body (1) by bolts (407). The baffle plate (402) is provided with a channel steel opening (403), a round opening (404), a square opening (405) and an angle steel opening (406).

7. A multifunctional punching and shearing machine according to claim 6, characterized in that: The adjustment assembly (5) comprises a threaded rod (501), a limit plate (502) and a slide rod (503); the threaded rod (501) is arranged at the rear side of the punching and shearing machine body (1); the threaded rod (501) is rotatably connected to the punching and shearing machine body (1); the slide rod (503) is fixedly installed at the rear side of the punching and shearing machine body (1); the threaded rod (501) passes through the limit plate (502); the slide rod (503) passes through the limit plate (502); the threaded rod (501) is threadedly connected to the limit plate (502); and the slide rod (503) is slidably connected to the limit plate (502).

8. The multifunctional punching and shearing machine according to claim 6, characterized in that: The corner cutting assembly (6) comprises a corner cutting head (601) and a third placement rack (602); the corner cutting head (601) is fixedly mounted on one side of the punching cutter (7); the corner cutting head (601) is located outside the punching and shearing machine body (1); the third placement rack (602) is fixedly mounted on one side of the punching and shearing machine body (1); the third placement rack (602) is located below the corner cutting head (601).

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