CN113500241B

CN113500241B - Numerical control metal machining plate shearing machine

Info

Publication number: CN113500241B
Application number: CN202111066267.7A
Authority: CN
Inventors: 王和民
Original assignee: Nantong Xinyu Mechanical Equipment Co ltd
Current assignee: Nantong Xinyu Mechanical Equipment Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2021-11-12
Anticipated expiration: 2041-09-13
Also published as: CN113500241A

Abstract

The invention discloses a metal processing numerical control plate shearing machine, belonging to the technical field of metal processing, comprising a numerical control machine frame, wherein one side of the top end of the numerical control machine frame is fixedly provided with a U-shaped frame, the middle part of the U-shaped frame is provided with a driving assembly, one side of the bottom end of the driving assembly is fixedly provided with a pressing assembly, one side of the bottom end of the driving assembly, which is far away from the pressing assembly, is fixedly provided with a plate shearing knife, one side of the numerical control machine frame, which is close to the plate shearing knife, is fixedly provided with a supporting mechanism, one side of the top end of the numerical control machine frame, which is far away from the U-shaped frame, is fixedly clamped with symmetrically distributed linear electric cylinders, the driving ends of the linear electric cylinders are fixedly provided with limiting assemblies, and the top end of one side of the supporting mechanism, which is far away from the numerical control machine frame, is fixedly provided with a baffle plate, and the inclined plane of the cut metal plate is conveniently conveyed to be separated from the main metal plate for centralized collection and treatment.

Description

Numerical control metal machining plate shearing machine

Technical Field

The invention relates to the technical field of metal processing, in particular to a numerical control metal processing plate shearing machine.

Background

The plate shearing machine belongs to one of forging and pressing machines, has the main function of metal processing industry, is a machine for shearing plates by using a blade to do reciprocating linear motion relative to another blade, applies shearing force to metal plates with various thicknesses by using a reasonable blade gap and by using a moving upper blade and a fixed lower blade, and enables the plates to be broken and separated according to the required size;

however, in the existing plate shearing machine, a cutting part lacks a stable supporting mechanism, and cannot effectively support and fix a metal plate, and the stability of the metal plate is poor, so that the end part is displaced or bent when the metal plate is cut, cutting errors are caused, and the cutting quality and effect of the metal plate are influenced.

Disclosure of Invention

The invention aims to provide a metal processing numerical control plate shearing machine to solve the problems in the background technology.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a metalworking numerical control plate shearing machine, includes the numerical control frame, top one side fixed mounting of numerical control frame has U type frame, the middle part of U type frame is equipped with drive assembly, drive assembly's bottom one side fixed mounting has the solid subassembly of pressure, one side fixed mounting that the solid subassembly of pressure was kept away from to the drive assembly bottom has the plate sword of cutting, one side fixed mounting that the numerical control frame is close to the plate sword has supporting mechanism, one side fixing clip that U type frame was kept away from on numerical control frame top is equipped with the sharp electric jar that is symmetric distribution, the equal fixed mounting of drive end of sharp electric jar has spacing subassembly, one side top fixed mounting that numerical control frame was kept away from to supporting mechanism has the baffle.

Preferably, the driving assembly comprises an underframe and a lifting cylinder, clamping seats are fixedly installed at two end parts of the underframe, clamping grooves matched with the clamping seats are formed in the inner sides of the U-shaped frames, the clamping seats are clamped in the corresponding clamping grooves in a sliding manner, guide rods are movably inserted in the middle of the clamping seats and fixedly installed in the clamping grooves, and buffer springs are movably sleeved on the outer sides of the guide rods at the bottom ends of the clamping seats;

the lifting air cylinders are symmetrically distributed, the top of each lifting air cylinder is fixedly clamped on the U-shaped frame, the output ends of the lifting air cylinders and the top end of the bottom frame are fixedly installed, and the plate shearing knife is fixedly installed at the bottom end of the bottom frame.

Preferably, the press-fixing component is provided with a plurality of press-fixing components which are distributed equidistantly.

Preferably, the pressing component comprises a bottom barrel and a pressing rod, a limiting ring is arranged at the middle of the top end of the bottom barrel in a fixing and clamping mode, a limiting disc is arranged at the bottom of the pressing rod in a penetrating mode and fixedly mounted on the limiting ring, a tension spring is fixedly mounted at the bottom end of the limiting disc, the bottom end of the tension spring is fixedly connected with the inner lower wall of the bottom barrel, a bottom pad is fixedly mounted at the bottom end of the bottom barrel, and the pressing component is fixedly mounted at the bottom end of the bottom frame through the pressing rod and is far away from one side of the plate shearing knife.

Preferably, the supporting mechanism comprises a thinning bottom frame, a special-shaped frame and an L-shaped driving rod, the thinning bottom frame is fixedly installed on one side, close to the plate shearing knife, of the numerical control machine frame, the top end of the thinning bottom frame is of an inclined structure, a plurality of special-shaped frames are uniformly distributed, a rotating groove matched with the special-shaped frame for use is formed in the top end of the thinning bottom frame, the special-shaped frames are rotatably installed on one sides, close to the numerical control machine frame, of the rotating grooves, the bottoms of every two adjacent special-shaped frames extend into the thinning bottom frame and are fixedly connected with connecting rods, a bump is fixedly installed at the top end of one side, far away from the connecting rods, of each special-shaped frame, and a ball is rotatably clamped on one side, close to the bump, of each special-shaped frame;

l type actuating lever is equipped with two that are the symmetric distribution, the numerical control frame is close to one side of supporting mechanism and has been seted up the lift groove that uses with the cooperation of L type actuating lever, and L type actuating lever slip joint in the lift groove that corresponds, the top of L type actuating lever pass the top of numerical control frame and with the bottom fixed mounting of chassis, the profile frame is close to one side bottom fixedly connected with and the driven frame that the cooperation of L type actuating lever used of numerical control frame, driven frame is the slope structure, one side that L type actuating lever is close to driven frame is rotated and is installed the gyro wheel, driven frame is close to one side of L type actuating lever and offers the cross recess that uses with the gyro wheel cooperation, and gyro wheel slip joint is in the cross recess that corresponds.

Preferably, baffle fixed mounting is on the top of one side of dredging the material bottom frame and keeping away from the numerical control frame, the baffle is close to one side fixedly connected with protection pad of numerical control frame.

Preferably, two spacing subassemblies are symmetrical distribution structure.

Preferably, the limiting assembly comprises an L-shaped arm and an adjusting seat, the bottom end of the L-shaped arm and the driving end of the corresponding linear electric cylinder are fixedly installed, an adjusting shaft is fixedly installed on one side of the adjusting seat, a slot matched with the adjusting shaft for use is formed in the top of the L-shaped arm, one side, far away from the adjusting seat, of the adjusting shaft is movably clamped in the slot, evenly distributed limiting grooves are formed in the adjusting shaft, a limiting bolt is movably inserted into the top end of one side, close to the adjusting seat, of the L-shaped arm, and the limiting bolt is movably inserted into the corresponding limiting groove;

the utility model discloses a numerical control machine frame, including adjusting seat, adjusting shaft, bottom fixed mounting, L type arm, bottom plate sliding clamp, the top of bottom plate and the top of numerical control machine frame are to flat, the adjusting seat is kept away from one side screw thread of adjusting shaft and is inserted and be equipped with limit screw, limit screw's bottom fixed mounting has the chassis, one side lower extreme fixed mounting that L type arm is close to the adjusting seat has the bottom plate that corresponds with the chassis, bottom plate sliding clamp connects on the top of numerical control machine frame.

Preferably, a protection frame is fixedly mounted at the lower end of one side, close to the supporting mechanism, of the U-shaped frame.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the supporting mechanism is arranged to be matched with the driving assembly, so that when the metal plate is conveniently cut, the end part of the metal plate is supported by the special-shaped frame and the bump, and the inclined surface of the cut metal plate is conveniently conveyed to be separated from the main metal plate for centralized collection and treatment;

2. by arranging the pressing and fixing assembly, when the metal plate is cut, the bottom cylinder descends along with the underframe, so that the bottom pad firstly contacts the metal plate, the metal plate is pressed and fixed, and the metal plate is prevented from being displaced during subsequent cutting, so that the stability of the metal plate during cutting is improved, and the cutting quality of the metal plate is improved;

3. through setting up spacing subassembly to carry out spacing fixed to the sheet metal of different width, thereby promoted sheet metal's transportation stability, and caused the sliding injury when effectively preventing the manual work from carrying out handheld sheet metal transportation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention.

FIG. 2 is a schematic view of the structural connection between the U-shaped frame and the driving assembly according to the present invention.

Fig. 3 is an enlarged view of the invention at a in fig. 2.

Fig. 4 is a schematic structural view of the press-fixing component of the present invention.

Fig. 5 is a schematic structural view of the support mechanism of the present invention.

Fig. 6 is an enlarged view of the invention at B in fig. 5.

Fig. 7 is a schematic view of the structural connection of the driving assembly and the supporting mechanism of the present invention.

Fig. 8 is an enlarged view of the invention at C in fig. 7.

Fig. 9 is a schematic view of the structural connection of the linear electric cylinder and the limiting assembly according to the present invention.

Fig. 10 is an enlarged view of the invention at D in fig. 9.

In the figure: 1. a numerical control machine frame; 2. a U-shaped frame; 21. a protective frame; 3. a drive assembly; 4. pressing and fixing the component; 5. a plate shearing knife; 6. a support mechanism; 7. a linear electric cylinder; 8. a limiting component; 9. a baffle plate; 91. a protective pad; 201. a card slot; 31. a chassis; 311. a card holder; 32. a lifting cylinder; 33. a guide bar; 34. a buffer spring; 41. a bottom cylinder; 411. a limiting ring; 42. a pressure lever; 421. a limiting disc; 43. a tension spring; 44. a bottom pad; 101. a lifting groove; 61. a material dredging bottom frame; 611. a rotating groove; 62. a special-shaped frame; 621. a connecting rod; 622. a bump; 63. a ball bearing; 64. a driven frame; 641. a cross groove; 65. an L-shaped drive rod; 66. a roller; 81. an L-shaped arm; 82. an adjusting seat; 83. an adjustment shaft; 831. a limiting groove; 832. a limit bolt; 84. a limit screw; 841. a chassis; 85. a base plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1 and 2, the invention provides a metal processing numerical control plate shearing machine, which comprises a numerical control machine frame 1, wherein a U-shaped frame 2 is fixedly installed on one side of the top end of the numerical control machine frame 1, a driving assembly 3 is arranged in the middle of the U-shaped frame 2, a pressing and fixing assembly 4 is fixedly installed on one side of the bottom end of the driving assembly 3, and a plurality of pressing and fixing assemblies 4 are distributed at equal intervals; a plate shearing knife 5 is fixedly mounted on one side of the bottom end of the driving assembly 3, which is far away from the pressing assembly 4, the plate shearing knife 5 is driven to descend and is matched with a fixed knife holder below the plate shearing knife 5, so that the metal plate arranged at the top end of the numerical control machine frame 1 can be effectively cut, a supporting mechanism 6 is fixedly mounted on one side of the numerical control machine frame 1, which is close to the plate shearing knife 5, a protective frame 21 is fixedly mounted at the lower end of one side of the U-shaped frame 2, which is close to the supporting mechanism 6, so that the cutting part of the plate shearing knife 5 is shielded and protected;

linear electric cylinders 7 which are symmetrically distributed are fixedly clamped on one side, far away from the U-shaped frame 2, of the top end of the numerical control machine frame 1, limiting assemblies 8 are fixedly mounted at driving ends of the linear electric cylinders 7, and the two limiting assemblies 8 are symmetrically distributed; and a baffle plate 9 is fixedly arranged at the top end of one side of the supporting mechanism 6 far away from the numerical control machine frame 1.

As shown in fig. 2 and 3, the driving assembly 3 includes a base frame 31 and a lifting cylinder 32, the guillotine shear 5 is fixedly mounted at the bottom end of the base frame 31, clamping seats 311 are fixedly arranged at both ends of the bottom frame 31, clamping grooves 201 matched with the clamping seats 311 are arranged at the inner side of the U-shaped frame 2, the card holder 311 is slidably engaged in the corresponding card slot 201, a guide bar 33 is movably inserted in the middle of the card holder 311, the guide rod 33 is fixedly arranged in the card slot 201, the card seat 311 can realize stable lifting in the corresponding card slot 201, thereby improving the stability of the chassis 31 when lifting, the buffer spring 34 is movably sleeved outside the guide rod 33 at the bottom end of the clamping seat 311, the descending of the bottom frame 31 is buffered, so that the descending of the plate shearing knife 5 is buffered, the stability of the plate shearing knife 5 in descending is improved, and the stability of the plate shearing knife 5 in cutting is improved;

the lifting air cylinders 32 are symmetrically distributed, the top of the lifting air cylinders 32 is fixedly clamped on the U-shaped frame 2, the output ends of the lifting air cylinders 32 and the top end of the bottom frame 31 are fixedly installed, and the bottom frame 31 is driven to stably lift by opening the lifting air cylinders 32.

As shown in fig. 3 and 4, the press-fixing assembly 4 includes a bottom cylinder 41 and a pressure rod 42, a limit ring 411 is fixedly clamped in the middle of the top end of the bottom cylinder 41, the bottom of the pressure rod 42 passes through the limit ring 411 and is fixedly provided with a limit disc 421, the limit ring 411 can effectively limit the limit disc 421, so as to effectively prevent the pressure rod 42 from separating from the bottom cylinder 41, a tension spring 43 is fixedly provided at the bottom end of the limit disc 421, the bottom end of the tension spring 43 is fixedly connected with the inner lower wall of the bottom cylinder 41, a bottom pad 44 is fixedly provided at the bottom end of the bottom cylinder 41, the press-fixing assembly 4 is fixedly provided at one side of the bottom end of the bottom frame 31 far away from the plate shearing knife 5 through the pressure rod 42, the bottom end surface of the bottom cylinder 41 is lower than the end of the plate shearing knife 5, when a metal plate is cut, the bottom cylinder 41 descends along with the bottom frame 31 to make the bottom pad 44 contact the metal plate first to press-fix the metal plate, the displacement is prevented during the subsequent cutting of the metal plate, so that the stability during the cutting of the metal plate is improved, the cutting quality of the metal plate is further improved, subsequently, the bottom frame 31 continues to descend to drive the pressing rod 42 to extrude the tension spring 43, the tension spring 43 reacts on the bottom barrel 41, the bottom barrel 41 continuously presses the metal plate, and the plate shearing knife 5 is not influenced to continuously move downwards to cut the metal plate.

As shown in fig. 5, 6, 7 and 8, the supporting mechanism 6 includes a thinning bottom frame 61, a special-shaped frame 62 and an L-shaped driving rod 65, the thinning bottom frame 61 is fixedly installed on one side of the numerical control machine frame 1 close to the plate shearing blade 5, the top end of the thinning bottom frame 61 is of an inclined structure, so as to facilitate inclined surface transportation of cut metal plates, the special-shaped frame 62 is provided with a plurality of uniformly distributed frames, a rotating groove 611 used in cooperation with the special-shaped frame 62 is formed in the top end of the thinning bottom frame 61, the special-shaped frame 62 is rotatably installed on one side of the rotating groove 611 close to the numerical control machine frame 1, the bottoms of two adjacent special-shaped frames 62 extend into the thinning bottom frame 61 and are fixedly connected with a connecting rod 621, so as to facilitate driving one of the special-shaped frames 62 to rotate, so as to drive the plurality of special-shaped frames 62 to rotate synchronously, a protruding block 622 is fixedly installed at the top end of one side of the special-shaped frame 62 far from the connecting rod 621, the end part of the cut metal plate is convexly supported so as to improve the stability of the end part when the metal plate is cut, thereby improving the cutting quality of the metal plate, one side of the special-shaped frame 62, which is close to the convex block 622, is rotatably clamped with balls 63, the cut metal plate is placed on the balls 63 on the multiple groups of special-shaped frames 62, and the cut metal plate is convenient to be obliquely transported to be separated from the main metal plate through the top end of the special-shaped frame 62 through the rotating inclination of the special-shaped frame 62;

l type actuating lever 65 is equipped with two that are the symmetric distribution, numerical control machine frame 1 is close to one side of supporting mechanism 6 and has been seted up the lift groove 101 that uses with L type actuating lever 65 cooperation, and L type actuating lever 65 slip joint is in corresponding lift groove 101, and L type actuating lever 65 can realize stabilizing the lift in corresponding lift groove 101, the top of L type actuating lever 65 is passed the top of numerical control machine frame 1 and is installed with the bottom fixed of chassis 31, chassis 31 lift in-process, drives L type actuating lever 65 synchronous lift, dysmorphism frame 62 is close to one side bottom fixed connection of numerical control machine frame 1 and is used with L type actuating lever 65 cooperation driven frame 64, driven frame 64 is the slope structure, follows the slope structure of frame 64 and the slope structure opposite direction of dredging material underframe 61, L type actuating lever 65 is close to one side rotation of driven frame 64 and installs gyro wheel 66, one side of the driven frame 64 close to the L-shaped driving rod 65 is provided with a cross groove 641 matched with the roller 66 for use, the roller 66 is slidably clamped in the corresponding cross groove 641, the L-shaped driving rod 65 is synchronously lifted, the roller 66 is driven to slide up and down in the cross groove 641, so that the driven frame 64 drives the special-shaped frame 62 to rotate forwards and backwards, when the metal plate is cut, the roller 66 slides downwards, the driven frame 64 drives the special-shaped frame 62 to rotate towards one side far away from the numerical control machine frame 1, the part of the special-shaped frame 62 close to the numerical control machine frame 1 is in a horizontal state, the special-shaped frame 62 is convenient to support the end part of the metal plate, the stability of the metal plate during cutting is effectively improved, after the cutting is finished, the roller 66 slides upwards, the part of the special-shaped frame 62 close to the numerical control machine frame 1 is in an inclined state, and the cut metal plate is conveyed through the inclined surface through the top ends of the special-shaped frame 62 and the thinning bottom frame 61 to separate from the main metal plate for centralized collection treatment, effectively promoting the cutting effect of the metal plate.

As shown in fig. 5, baffle 9 fixed mounting is on the top of one side that numerical control frame 1 was kept away from to sparse material underframe 61, baffle 9 is close to one side fixedly connected with protection pad 91 of numerical control frame 1, and the sheet metal after the cutting is carried to baffle 9 position department through the top inclined plane of sparse material underframe 61, and protection pad 91 can protect the edge of sheet metal after the cutting.

As shown in fig. 9 and 10, the limiting assembly 8 includes an L-shaped arm 81 and an adjusting seat 82, a bottom end of the L-shaped arm 81 and a driving end of the corresponding linear electric cylinder 7 are fixedly installed, an adjusting shaft 83 is fixedly installed at one side of the adjusting seat 82, a horizontal slot matched with the adjusting shaft 83 is formed at a top of the L-shaped arm 81, one side of the adjusting shaft 83 far from the adjusting seat 82 is movably clamped in the horizontal slot, a uniformly distributed limiting groove 831 is formed on the adjusting shaft 83, a limiting bolt 832 is movably inserted at a top end of one side of the L-shaped arm 81 close to the adjusting seat 82, the limiting bolt 832 is movably inserted in the corresponding limiting groove 831, a distance between the L-shaped arm 81 and the adjusting seat 82 is flexibly changed by adjusting a position of the adjusting shaft 83 in the horizontal slot, and the limiting between the L-shaped arm 81 and the adjusting seat 82 is limited by inserting the limiting bolt 832 into the corresponding limiting groove 831, so that metal plates with different widths can be limited and fixed in the following process, and the flexibility of the whole equipment is improved;

adjust seat 82 and keep away from one side screw thread of regulating spindle 83 and insert and be equipped with limit screw 84, limit screw 84's bottom fixed mounting has chassis 841, one side lower extreme fixed mounting that L type arm 81 is close to adjusting seat 82 has the bottom plate 85 that corresponds with chassis 841, bottom plate 85 slip joint is on numerical control frame 1's top, bottom plate 85's top and numerical control frame 1's top are to flat, during the use, and the sheet metal that will cut is arranged in between chassis 841 and bottom plate 85, through spiral shell limit screw 84, drives chassis 841 and moves down, makes sheet metal fix between chassis 841 and bottom plate 85, takes place the displacement when preventing follow-up sheet metal transportation to sheet metal's transportation stability has been promoted, and caused the sliding injury when effectively preventing the manual work from handing sheet metal transportation.

The working principle is as follows: the invention relates to a metal processing numerical control plate shearing machine, when in use, a metal plate to be cut is placed on a bottom plate 85 at the top end of a numerical control machine frame 1, then the position of a regulating seat 82 at two sides is regulated through the width of the plate, a chassis 841 is placed at the position of the side end of the plate, then a limiting screw 84 is screwed to drive the chassis 841 to move downwards, the metal plate is fixed between the chassis 841 and the bottom plate 85, the displacement of the subsequent metal plate during transportation is prevented, then linear electric cylinders 7 at two sides are synchronously opened, a limiting assembly 8 and the metal plate are driven to move towards one side close to a plate shearing knife 5, and the linear electric cylinders 7 are stopped to cut until the plate shearing knife 5 corresponds to the cutting position of the metal plate;

the lifting cylinder 32 is started to drive the chassis 31 to stably descend, the bottom cylinder 41 descends along with the chassis 31 to enable the bottom pad 44 to firstly contact the metal plate, the metal plate is pressed and fixed, the metal plate is prevented from displacement during subsequent cutting, meanwhile, the L-shaped driving rod 65 is driven to synchronously descend, the roller 66 can slide downwards, the driven frame 64 drives the special-shaped frame 62 to rotate towards the side far away from the numerical control machine frame 1, the part of the special-shaped frame 62 close to the numerical control machine frame 1 is gradually in a horizontal state, the special-shaped frame 62 and the lug 622 can conveniently support the end part of the metal plate, the stability of the metal plate during cutting is further improved, and then, the chassis 31 continuously descends to drive the pressure rod 42 to extrude the tension spring 43, and the tension spring 43 reacts on the bottom barrel 41, so that the bottom barrel 41 continuously presses the metal plate, and the plate shearing knife 5 is not influenced to continuously move downwards to cut the metal plate;

the cutting finishes, opens lift cylinder 32, and drive chassis 31 rises steadily, and gyro wheel 66 can slide upward, and the position that makes dysmorphism frame 62 be close to numerical control machine frame 1 is the tilt state to carry out the inclined plane through the top of dysmorphism frame 62 and sparse material underframe 61 and carry out the inclined plane and carry and break away from main sheet metal after the cutting, the sheet metal after the cutting carries to baffle 9 position department through the top inclined plane of sparse material underframe 61 and concentrates the collection and handle, with this, cut next section main sheet metal.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a metalworking numerical control plate shearing machine, includes numerical control machine frame (1), its characterized in that: the numerical control machine frame is characterized in that a U-shaped frame (2) is fixedly mounted on one side of the top end of the numerical control machine frame (1), a driving assembly (3) is arranged in the middle of the U-shaped frame (2), a pressing assembly (4) is fixedly mounted on one side of the bottom end of the driving assembly (3), a plate shearing knife (5) is fixedly mounted on one side, away from the pressing assembly (4), of the bottom end of the driving assembly (3), a supporting mechanism (6) is fixedly mounted on one side, close to the plate shearing knife (5), of the numerical control machine frame (1), a linear electric cylinder (7) which is symmetrically distributed is fixedly clamped on one side, away from the U-shaped frame (2), of the top end of the numerical control machine frame (1), a limiting assembly (8) is fixedly mounted at the driving end of the linear electric cylinder (7), and a baffle (9) is fixedly mounted on the top end, away from the numerical control machine frame (1), of the supporting mechanism (6); the driving assembly (3) comprises an underframe (31) and a lifting cylinder (32), clamping seats (311) are fixedly installed at two end parts of the underframe (31), clamping grooves (201) matched with the clamping seats (311) for use are formed in the inner side of the U-shaped frame (2), the clamping seats (311) are clamped in the corresponding clamping grooves (201) in a sliding mode, guide rods (33) are movably inserted in the middle of the clamping seats (311), the guide rods (33) are fixedly installed in the clamping grooves (201), and buffer springs (34) are movably sleeved on the outer sides of the guide rods (33) at the bottom ends of the clamping seats (311); the two lifting cylinders (32) are symmetrically distributed, the top of each lifting cylinder (32) is fixedly clamped on the U-shaped frame (2), the output end of each lifting cylinder (32) is fixedly installed with the top end of the bottom frame (31), and the plate shearing knife (5) is fixedly installed at the bottom end of the bottom frame (31); the supporting mechanism (6) comprises a material thinning bottom frame (61), a special-shaped frame (62) and an L-shaped driving rod (65), the material thinning bottom frame (61) is fixedly arranged on one side of the numerical control machine frame (1) close to the plate shearing knife (5), the top end of the material dredging bottom frame (61) is of an inclined structure, a plurality of the special-shaped frames (62) are uniformly distributed, the top end of the material dredging bottom frame (61) is provided with a rotating groove (611) matched with the special-shaped frame (62), and the special-shaped frames (62) are rotatably arranged at one side of the rotating groove (611) close to the numerical control machine frame (1), the bottoms of two adjacent special-shaped frames (62) extend into the thinning bottom frame (61) and are fixedly connected with a connecting rod (621), a convex block (622) is fixedly arranged at the top end of one side of the special-shaped frame (62) far away from the connecting rod (621), one side of the special-shaped frame (62) close to the convex block (622) is rotatably clamped with a ball (63); l type actuating lever (65) are equipped with two that are the symmetric distribution, numerical control frame (1) is close to one side of supporting mechanism (6) and offers lift groove (101) that uses with L type actuating lever (65) cooperation, and L type actuating lever (65) slip joint is in corresponding lift groove (101), the top of numerical control frame (1) is passed on the top of L type actuating lever (65) and the bottom fixed mounting with chassis (31), one side bottom fixedly connected with that dysmorphism frame (62) is close to numerical control frame (1) and follows frame (64) that L type actuating lever (65) cooperation was used, follow frame (64) are the inclined structure, one side that L type actuating lever (65) is close to follow frame (64) is rotated and is installed gyro wheel (66), follow frame (64) are close to one side of L type actuating lever (65) and offer cross groove (641) that uses with gyro wheel (66) cooperation, and the rollers (66) are slidably engaged in the corresponding cross grooves (641).

2. The numerical control plate shearing machine for metal working according to claim 1, characterized in that said pressing assembly (4) is provided in plurality, equidistantly distributed.

3. The metal processing numerical control plate shearing machine according to claim 2, characterized in that the pressing component (4) comprises a bottom cylinder (41) and a pressing rod (42), a limiting ring (411) is fixedly clamped in the middle of the top end of the bottom cylinder (41), the bottom of the pressing rod (42) penetrates through the limiting ring (411) and is fixedly provided with a limiting disc (421), a tension spring (43) is fixedly arranged at the bottom end of the limiting disc (421), the bottom end of the tension spring (43) is fixedly connected with the inner lower wall of the bottom cylinder (41), a bottom pad (44) is fixedly arranged at the bottom end of the bottom cylinder (41), and the pressing component (4) is fixedly arranged at one side, far away from the plate shearing knife (5), of the bottom end of the bottom frame (31) through the pressing rod (42).

4. The metal processing numerical control plate shearing machine according to claim 3, characterized in that the baffle (9) is fixedly installed at the top end of one side of the material thinning bottom frame (61) far away from the numerical control machine frame (1), and a protection pad (91) is fixedly connected to one side of the baffle (9) close to the numerical control machine frame (1).

5. The metal-working numerical control plate shearing machine according to claim 4, characterized in that said two limiting assemblies (8) are symmetrically distributed.

6. The metal processing numerical control plate shearing machine according to claim 5, characterized in that the limiting assembly (8) comprises an L-shaped arm (81) and an adjusting seat (82), the bottom end of the L-shaped arm (81) is fixedly installed with the driving end of the corresponding linear electric cylinder (7), an adjusting shaft (83) is fixedly installed on one side of the adjusting seat (82), a slot matched with the adjusting shaft (83) is formed in the top of the L-shaped arm (81), one side, far away from the adjusting seat (82), of the adjusting shaft (83) is movably clamped in the slot, uniformly distributed limiting grooves (831) are formed in the adjusting shaft (83), a limiting bolt (832) is movably inserted into the top end, near the adjusting seat (82), of one side of the L-shaped arm (81), and the limiting bolt (832) is movably inserted into the corresponding limiting groove (831);

adjust seat (82) and keep away from one side screw thread of regulating spindle (83) and insert and be equipped with stop screw (84), the bottom fixed mounting of stop screw (84) has chassis (841), one side lower extreme fixed mounting that L type arm (81) are close to and adjust seat (82) has bottom plate (85) that correspond with chassis (841), bottom plate (85) slip joint is on the top of numerical control frame (1), the top of bottom plate (85) and the top of numerical control frame (1) are to flat.

7. The numerical control metal processing plate shearing machine according to claim 6, characterized in that a protection frame (21) is fixedly arranged at the lower end of one side of the U-shaped frame (2) close to the supporting mechanism (6).