CN112296159A

CN112296159A - Automobile metal plate stamping device

Info

Publication number: CN112296159A
Application number: CN202011113541.7A
Authority: CN
Inventors: 黄淑芹
Original assignee: Anhui Phetom Intelligent Traffic Technology Co Ltd
Current assignee: Anhui Phetom Intelligent Traffic Technology Co Ltd
Priority date: 2020-10-17
Filing date: 2020-10-17
Publication date: 2021-02-02

Abstract

The invention relates to the technical field of automobile metal plates, in particular to an automobile metal plate stamping device which comprises a stamping device, wherein a male die and a female die are arranged in the stamping device, the female die is arranged on the upper side of the male die and matched with the male die, a placing frame is arranged between the male die and the female die, a plurality of clamping assemblies are uniformly arranged on the placing frame, the placing frame is connected with the male die through a limiting assembly, a heating cylinder is sleeved outside the male die, an induction coil is fixedly wound outside the heating cylinder, an air cooling heat dissipation assembly corresponding to the position of the placing frame is arranged on the stamping device, and a pushing assembly corresponding to the position of the placing frame is arranged on one side of the stamping device. The stamping device is provided with the placing frame for bearing and clamping the plate, so that the stamping position is correct, the placing frame can reset after stamping is completed, a formed part can be quickly pushed out and automatically guided out, the stamping can be assisted by heating during stamping, and the plate can be shaped by water spraying and air cooling after stamping is completed.

Description

Automobile metal plate stamping device

Technical Field

The invention relates to the technical field of automobile metal plates, in particular to an automobile metal plate stamping device.

Background

The sheet metal is a processing technology, and is a comprehensive cold processing technology aiming at a metal sheet, and comprises shearing, punching/cutting/compounding, folding, riveting, splicing, forming (such as an automobile body) and the like. The thickness of each position of a part processed by the method is consistent, wherein the stamping is a common automobile part metal plate technology, the stamping is a pressure processing method for obtaining a required part by utilizing a stamping mechanism to drive a die to apply pressure on a material at room temperature so as to generate separation or plastic deformation, most of automobile metal plate parts are stamped by matching the stamping mechanism with the stamping die, and the conventional automobile metal plate stamping is continuously and automatically produced; however, in the existing automobile sheet metal stamping device, a formed part after stamping forming is not convenient to take out, so that the automatic production efficiency is reduced, and meanwhile, the recovery condition of the material is easy to occur after stamping, so that the quality is reduced.

Chinese patent application No.: CN 201810869782.0; the utility model discloses an auto-parts aluminum sheet strip stamping die that punches a hole, including stamping deformation lock position cooling device, the stamping rod, the cylinder, a controller, connect the frame, a pedestal, the stamping rod locating lever, stamping deformation lock position cooling device's lower surface welds with the upper surface of base mutually, stamping deformation lock position cooling device installs in the below of stamping rod, the stamping rod locating lever is located individual and is installed in the side surface of stamping rod, the stamping rod embedding is installed in the cylinder and mechanical connection, the cylinder is with the structure of being connected frame as an organic whole, the left side surface of controller is laminated with the right side surface of being connected the frame mutually, the upper surface of base welds and the lower surface of being connected the frame mutually and fixed formation integral structure.

This solution has the following drawbacks:

1. the metal plate stamping operation is realized, the formed part is inconvenient to guide out, the integral stamping efficiency is reduced, and the automatic assembly line production is not suitable;

2. the simple metal plate stamping operation results in lower stamping efficiency and poorer quality of the formed part.

Disclosure of Invention

The invention aims to provide an automobile sheet metal stamping device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an automobile metal plate stamping device, including stamping device, be equipped with male die utensil and die utensil in the stamping device, the die utensil sets up at the male die utensil upside, and die utensil and male die utensil phase-match, it places the frame to be equipped with between male die utensil and the die utensil, it evenly is equipped with a plurality of chucking subassemblies on the frame to place, it is connected with the male die utensil through spacing subassembly to place the frame, the male die utensil overcoat is equipped with the cartridge heater, the fixed induction coil that is equipped with of cartridge heater outer winding, the last air-cooled radiator unit who corresponds with placing the frame position that is equipped with of stamping device, stamping device one side is equipped with and places the propelling movement subassembly that the frame position corresponds.

Further, the chucking subassembly is including evenly setting up four bull sticks around placing the frame, it is equipped with the fixing base all to rotate the cover on the bull stick both ends, fixing base and placing frame fixed connection, fixed cover is equipped with spacing fixture block on the bull stick middle section, the equal coaxial fixedly connected with bevel gear in bull stick both ends is adjacent bevel gear intermeshing, one of them fixed cover is equipped with driven pulleys on the bull stick, it is fixed and is equipped with first servo motor to place the frame downside, the coaxial fixedly connected with driving pulley of first servo motor output, driving pulley passes through the belt and is connected with the driven pulleys transmission.

Furthermore, air-cooled radiator unit is including running through the opening that sets up on stamping device, run through fixedly in the opening and be equipped with the dryer, fixed mounting has the fan in the dryer, the dryer internal fixation is equipped with the refrigerator that corresponds with the fan position, the dryer internal fixation is equipped with a plurality of heat conduction fins, and is a plurality of heat conduction fins all contacts with refrigerator refrigeration end.

Further, spacing subassembly is including even vertical setting placing a plurality of slide bars of frame downside, and is a plurality of the slide bar all runs through the stamping device setting, the terminal surface is equipped with the recess under the stamping device, and is a plurality of the slide bar all extends to in the recess and fixedly connected with stopper, the cover is equipped with spacing spring on the slide bar, spacing spring upper end and stamping device fixed connection, spacing spring lower extreme and stopper fixed connection.

Further, the propelling movement subassembly is including fixed stamping device one side slope support that sets up, the fixed bar-shaped piece that is equipped with on the slope support, the bar-shaped piece upside is equipped with the movable block, the bar-shaped piece up end is equipped with the removal spout that matches with the movable block, the movable block upper end extends to outside the removal spout, the bar-shaped piece upside is equipped with the ejector pad, the ejector pad passes through connecting rod and movable block fixed connection, the level is equipped with the lead screw in the removal spout, the lead screw both ends all rotate with removal spout inner wall and are connected, the movable block matching cover is established on the lead screw, the fixed second servo motor that is equipped with on the bar-shaped piece outer wall, the output of second servo motor run through the bar-shaped piece and with the.

Further, the fixed water tank that is equipped with on the stamping device lateral wall, evenly fixed a plurality of atomizer that are equipped with on the dryer inner wall, the water tank passes through communicating pipe and a plurality of atomizer fixed connection and intercommunication, fixedly connected with water pump on communicating pipe.

Further, one side that pusher assembly was kept away from to stamping device is equipped with the slope slide, the horizontal symmetry is equipped with two electric putter between slope slide and the stamping device, two the equal fixed connection of electric putter is on the stamping device lateral wall, two electric putter's flexible end all with slope slide fixed connection.

Further, an observation window is arranged on the side wall of the water tank, scale marks are arranged on the observation window, a pressure type water level sensor is fixedly arranged on the bottom wall of the water tank, and a buzzer electrically connected with the pressure type water level sensor is fixedly arranged on the outer wall of the water tank.

Furthermore, a discharge hole communicated with the groove is formed in one side wall of the stamping device, and a conveying belt device is horizontally and fixedly arranged in the discharge hole.

Further, the working steps of the automobile sheet metal stamping device are as follows:

A) the method comprises the following steps that a plate to be stamped by a metal plate is placed on a placing frame, then a first servo motor works, the first servo motor drives a driving belt wheel to rotate when working, the driving belt wheel drives a driven belt wheel to rotate through a belt, the driven belt wheel is fixedly sleeved on one rotating rod, two bevel gears are driven to rotate when the rotating rod rotates, adjacent bevel gears are meshed with each other, so that four rotating rods synchronously rotate, and four limiting fixture blocks are synchronously driven to rotate to clamp the plate;

B) after clamping is finished, the female die is driven to move downwards through the work of a hydraulic mechanism on the stamping device, the plate is pressed downwards, the placing frame is synchronously pressed, the placing frame and the plate synchronously move downwards, the induction coil is electrified to heat the plate entering the heating cylinder, stamping operation is assisted, and the plate is subjected to stamping forming through the extrusion action of the female die and the male die;

C) waste materials generated by stamping enter the groove on the lower side of the stamping device through the blanking port and simultaneously fall onto the conveyor belt device, the waste materials are conveyed out through the operation of the conveyor belt device, after the stamping is finished, the female die is lifted by the stamping device, the slide rod is jacked upwards under the reset action of the limiting spring, and the placing frame and the plate are synchronously driven to move upwards to the original position;

D) the fan in the air duct works, the refrigerator works and cools the air blown out by the fan through a plurality of radiating fins, and meanwhile, the water pump works and pumps the water in the water tank into the air duct through the communicating pipe and sprays the water into the air duct through a plurality of atomizing nozzles to form air flow carrying water mist, so that the sheet metal part with the stroke after being stamped is washed and cooled;

E) first servo motor reverse work removes the limiting displacement of four spacing fixture blocks to the sheet metal component, through second servo motor work after that, and the drive lead screw rotates, and the lead screw rotates and drives the removal of removal piece to drive the ejector pad through the connecting rod and remove, release the sheet metal component, then two electric putter remove, make the slope slide remove to and place frame contact position, let the sheet metal component pushed down and the roll-off.

The invention has the beneficial effects that:

the invention is provided with the placing frame, the plate is placed on the placing frame, the four limiting clamping blocks are controlled by the control structure to rotate and clamp the plate, the position of the plate is ensured to be correct during stamping, then the male die and the female die are closed by the stamping device, the plate is punched, after the punching is finished, the placing frame is reset and the formed part is moved upwards under the action of the limiting spring, then the limiting action of the four limiting clamping blocks is relieved, then the second servo motor works to drive the push block to move to push the formed piece out and slide out through the inclined slideway, the plate can be heated in an electromagnetic induction heating mode during stamping to help stamping, the plate is reset through the placing frame after stamping, then, the shaping and cleaning are carried out through water spraying and air cooling, the overall efficiency is high, the production line is suitable for, and the stamping forming quality is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic side-view perspective of the present invention;

FIG. 3 is a schematic front perspective view of the present invention;

FIG. 4 is a schematic top perspective view of the present invention;

FIG. 5 is a schematic rear perspective view of the present invention;

FIG. 6 is a perspective view of the clamping assembly of the present invention;

fig. 7 is a schematic perspective view of a position-limiting assembly according to the present invention.

In the figure:

the device comprises a stamping device 1, a concave die 2, a convex die 3, a placing frame 4, a heating cylinder 5, an induction coil 6, a rotating rod 7, a fixing seat 8, a limit fixture block 9, a bevel gear 10, a driven belt wheel 11, a first servo motor 12, a driving belt wheel 13, a wind tube 14, a fan 15, a slide rod 16, a limit block 17, a limit spring 18, an inclined bracket 19, a block 20, a moving block 21, a push block 22, a connecting rod 23, a water tank 24, an atomizing nozzle 25, a communicating pipe 26, a water pump 27, an inclined slideway 28, an electric push rod 29, a conveyor belt device 30, a screw rod 31 and a second servo motor 32.

Detailed Description

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.

Referring to fig. 1, 2, 3, 4 and 5, the stamping device for automobile metal plates comprises a stamping device 1, a male die 3 and a female die 2 are arranged in the stamping device 1, the female die 2 is arranged on the upper side of the male die 3, the female die 2 is matched with the male die 3, a hydraulic device is used for driving the male die 3 and the female die 2 to be matched, so as to realize stamping action, a placing frame 4 is arranged between the male die 3 and the female die 2 and used for placing plates, a plurality of clamping components are uniformly arranged on the placing frame 4 and used for clamping and fixing the plates, the placing frame 4 is connected with the male die 3 through a limiting component and can reset the placing frame 4 after stamping is finished, a heating cylinder 5 is sleeved outside the male die 3, an induction coil 6 is fixedly wound outside the heating cylinder 5, and the induction coil 6 is electrified and can heat the plates entering the heating cylinder 5, supplementary punching press operation of carrying out is equipped with and places the forced air cooling radiator unit that 4 positions of frame correspond on stamping device 1, and the forming part that finishes the back and reset to the punching press cools off and washes, and the help is stereotyped, and 1 one side of stamping device is equipped with and places the propelling movement subassembly that 4 positions of frame correspond for derive the forming part after the shaping.

As shown in fig. 6, the clamping assembly comprises four rotating rods 7 evenly arranged around the placing frame 4, two ends of each rotating rod 7 are respectively rotatably sleeved with a fixed seat 8, the fixed seats 8 are fixedly connected with the placing frame 4, a limiting clamping block 9 is fixedly sleeved on the middle section of each rotating rod 7, the shape of each limiting clamping block 9 can be adjusted according to the thickness of a plate, the limiting clamping blocks 9 are fixed on the rotating rods 7 through bolts and can be replaced, two ends of each rotating rod 7 are coaxially and fixedly connected with bevel gears 10, adjacent bevel gears 10 are mutually meshed, the four rotating rods 7 can synchronously rotate, one rotating rod 7 is fixedly sleeved with a driven pulley 11, a first servo motor 12 is fixedly arranged at the lower side of the placing frame 4, the output end of the first servo motor 12 is coaxially and fixedly connected with a driving pulley 13, the driving pulley 13 is in transmission connection with the driven pulley 11 through a belt, and the first, the four rotating rods 7 can be synchronously driven to rotate, so that the four limiting clamping blocks 9 are synchronously controlled.

As shown in fig. 2, fig. 3 and fig. 5, the air-cooled heat dissipation assembly includes an opening penetrating through and disposed on the stamping device 1, an air duct 14 penetrates through and is fixedly disposed in the opening, a fan 15 is fixedly disposed in the air duct 14, the fan 15 adopts the prior art, after the air-cooled heat dissipation assembly works, an air flow can be generated for air cooling, a refrigerator corresponding to the position of the fan 15 is fixedly disposed in the air duct 14, a plurality of heat conduction fins are fixedly disposed in the air duct 14, and all the heat conduction fins are in contact with a refrigerator cooling end, so that blown air is cold air, and the heat conduction fins are convenient for cooling operation.

As shown in fig. 7, spacing subassembly is including even vertical setting placing a plurality of slide bars 16 of frame 4 downside, a plurality of slide bars 16 all run through stamping device 1 setting, make and place frame 4 and can carry out the removal of certain stroke in vertical direction, the terminal surface is equipped with the recess under stamping device 1, a plurality of slide bars 16 all extend to in the recess and fixedly connected with stopper 17, play limiting displacement, the cover is equipped with spacing spring 18 on the

slide bar

16, 18 upper ends of spacing spring and 1 fixed connection of stamping device, 18 lower extremes of spacing spring and stopper 17 fixed connection, spacing spring 18 provides elasticity, make after the punching press finishes place frame 4 and reset, thereby drive formed part resets.

As shown in fig. 1 and fig. 3, the pushing assembly includes a tilted bracket 19 fixed on one side of the stamping device 1, a bar-shaped block 20 is fixed on the tilted bracket 19, a moving block 21 is arranged on the upper side of the bar-shaped block 20, a moving chute matched with the moving block 21 is arranged on the upper end surface of the bar-shaped block 20, the upper end of the moving block 21 extends out of the moving chute, a pushing block 22 is arranged on the upper side of the bar-shaped block 20, the pushing block 22 is fixedly connected with the moving block 21 through a connecting rod 23, the moving block 21 can move in the moving chute, the pushing block 22 can be driven by the connecting rod 23 to move during moving, a screw rod 31 is horizontally arranged in the moving chute, both ends of the screw rod 31 are rotatably connected with the inner wall of the moving chute, the moving block 21 is sleeved on the screw rod 31 in a matching manner, a second servo motor 32 is fixed on the outer wall of the bar, the screw rod 31 can be driven to rotate, so that the position of the moving block 21 is controlled, the position of the push block 22 is further controlled, and the formed part is pushed out.

As shown in fig. 2 and fig. 3, a water tank 24 is fixedly arranged on the side wall of the punching device 1, a plurality of atomizing nozzles 25 are uniformly and fixedly arranged on the inner wall of the air duct 14, the water tank 24 is fixedly connected and communicated with the atomizing nozzles 25 through a communicating pipe 26, a water pump 27 is fixedly connected to the communicating pipe 26, the water pump 27 adopts the prior art, after the water pump 27 works, water in the water tank 24 can be pumped out through the communicating pipe 26, and is sprayed out through the atomizing nozzles 25, water mist is formed and blown onto a formed part through airflow generated by the fan 15, so that the effects of cooling and shaping and cleaning the formed part are formed.

As shown in fig. 1, fig. 2 and fig. 3, one side that pusher assembly was kept away from to stamping device 1 is equipped with slope slide 28, make things convenient for the formed part landing to derive, horizontal symmetry is equipped with two electric putter 29 between slope slide 28 and stamping device 1, two equal fixed connection of electric putter 29 are on stamping device 1 lateral wall, two electric putter 29's flexible end all with slope slide 28 fixed connection, work through electric putter 29, can make slope slide 28 do not influence the punching press action when the punching press, slope slide 28 removes to and places frame 4 corresponding position and with the derivation during the derivation.

As shown in fig. 5, be equipped with observation window on the 24 lateral walls of water tank, be equipped with the scale mark number on the observation window, conveniently observe the 24 inside circumstances of water tank, can the range estimation water level height simultaneously, the fixed pressure type level sensor that is provided with on the 24 diapalls of water tank for detect the interior surplus water yield of water tank 24, fixed mounting has the bee calling organ of being connected with pressure type level sensor electricity on the 24 outer walls of water tank, when pressure type level sensor senses the water yield not enough, can drive bee calling organ work, remind people to add the water operation to water tank 24.

As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a discharge hole communicated with the groove is formed in one side wall of the punching device 1, a conveyor belt device 30 is horizontally and fixedly arranged in the discharge hole, and the conveyor belt device 30 adopts the prior art, so that waste materials falling into the groove can be guided out and are convenient to collect.

The working steps of the automobile metal plate stamping device are as follows:

A) the method comprises the following steps that a plate to be stamped by a metal plate is placed on a placing frame 4, then a first servo motor 12 works, the first servo motor 12 drives a driving belt wheel 13 to rotate when working, the driving belt wheel 13 drives a driven belt wheel 11 to rotate through a belt, the driven belt wheel 11 is fixedly sleeved on one rotating rod 7, the rotating rod 7 drives two bevel gears 10 to rotate when rotating, the adjacent bevel gears 10 are meshed with each other, so that the four rotating rods 7 synchronously rotate, and four limiting clamping blocks 9 are synchronously driven to rotate to clamp the plate;

B) after clamping is finished, the hydraulic mechanism on the stamping device 1 works to drive the female die 2 to move downwards, the plate is pressed downwards, the placing frame 4 is synchronously pressed, the placing frame 4 and the plate synchronously move downwards, the induction coil 6 is electrified to heat the plate entering the heating cylinder 5, stamping operation is assisted, and the plate is subjected to stamping forming under the extrusion action of the female die 2 and the male die 3;

C) waste materials generated by stamping enter the groove on the lower side of the stamping device 1 through the blanking port and simultaneously fall onto the conveyor belt device 30, the waste materials are conveyed out through the work of the conveyor belt device 30, after the stamping is finished, the stamping device 1 lifts the concave die 2, the slide rod 16 is jacked upwards under the reset action of the limiting spring 18, and the placing frame 4 and the plate are synchronously driven to move upwards to the original position;

D) the fan 15 in the air duct 14 works, the refrigerator works and cools the air blown out by the fan 15 through a plurality of radiating fins, meanwhile, the water pump 27 works and pumps the water in the water tank 24 into the air duct 14 through the communicating pipe 26 and sprays the water into the air duct 14 through a plurality of atomizing nozzles 25 to form air flow carrying water mist, and the stamped sheet metal part in the stroke is washed and cooled;

E) the first servo motor 12 works reversely, the limiting effect of the four limiting clamping blocks 9 on the sheet metal part is removed, then the second servo motor 32 works to drive the lead screw 31 to rotate, the lead screw 31 rotates to drive the moving block 21 to move, the connecting rod 23 drives the push block 22 to move, the sheet metal part is pushed out, then the two electric push rods 29 move, the inclined slide ways 28 move to the contact position of the placing frame 4, and the sheet metal part is pushed down and slides out.

The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.

Claims

1. An automobile sheet metal stamping device is characterized by comprising a stamping device (1), a convex die (3) and a concave die (2) are arranged in the stamping device (1), the concave die (2) is arranged on the upper side of the convex die (3), the female die (2) is matched with the male die (3), a placing frame (4) is arranged between the male die (3) and the female die (2), a plurality of clamping components are uniformly arranged on the placing frame (4), the placing frame (4) is connected with the convex die (3) through a limiting component, a heating cylinder (5) is sleeved outside the convex die (3), an induction coil (6) is fixedly wound outside the heating cylinder (5), the punching device (1) is provided with an air-cooled heat dissipation component corresponding to the position of the placing frame (4), and a pushing assembly corresponding to the position of the placing frame (4) is arranged on one side of the stamping device (1).

2. The stamping device for sheet metal of automobiles according to claim 1, wherein the clamping assembly comprises four rotating rods (7) uniformly arranged around the placing frame (4), the two ends of the rotating rod (7) are respectively rotatably sleeved with a fixed seat (8), the fixed seats (8) are fixedly connected with the placing frame (4), a limiting clamping block (9) is fixedly sleeved on the middle section of the rotating rod (7), bevel gears (10) are coaxially and fixedly connected to both ends of the rotating rod (7), the adjacent bevel gears (10) are mutually meshed, one of the rotating rods (7) is fixedly sleeved with a driven belt wheel (11), a first servo motor (12) is fixedly arranged at the lower side of the placing frame (4), the output end of the first servo motor (12) is coaxially and fixedly connected with a driving belt wheel (13), the driving belt wheel (13) is in transmission connection with the driven belt wheel (11) through a belt.

3. The automobile sheet metal stamping device according to claim 1, characterized in that the air-cooled heat dissipation assembly includes an opening penetrating through the stamping device (1), an air duct (14) penetrates through and is fixedly arranged in the opening, a fan (15) is fixedly mounted in the air duct (14), a refrigerator corresponding to the fan (15) is fixedly arranged in the air duct (14), a plurality of heat conduction fins are fixedly arranged in the air duct (14), and the plurality of heat conduction fins are all in contact with a refrigerating end of the refrigerator.

4. The automobile sheet metal stamping device according to claim 1, characterized in that, spacing subassembly includes even vertical setting at a plurality of slide bars (16) of placing frame (4) downside, and is a plurality of slide bar (16) all run through stamping device (1) and set up, the terminal surface is equipped with the recess under stamping device (1), and is a plurality of slide bar (16) all extend to in the recess and fixedly connected with stopper (17), the cover is equipped with spacing spring (18) on slide bar (16), spacing spring (18) upper end and stamping device (1) fixed connection, spacing spring (18) lower extreme and stopper (17) fixed connection.

5. The automobile sheet metal stamping device according to claim 1, wherein the pushing assembly comprises a tilting bracket (19) fixedly arranged on one side of the stamping device (1), a bar-shaped block (20) is fixedly arranged on the tilting bracket (19), a moving block (21) is arranged on the upper side of the bar-shaped block (20), a moving chute matched with the moving block (21) is arranged on the upper end surface of the bar-shaped block (20), the upper end of the moving block (21) extends out of the moving chute, a pushing block (22) is arranged on the upper side of the bar-shaped block (20), the pushing block (22) is fixedly connected with the moving block (21) through a connecting rod (23), a lead screw (31) is horizontally arranged in the moving chute, two ends of the lead screw (31) are rotatably connected with the inner wall of the moving chute, the moving block (21) is sleeved on the lead screw (31) in a matching manner, a second servo motor (32) is fixedly arranged on the outer, the output end of the second servo motor (32) penetrates through the bar-shaped block (20) and is coaxially and fixedly connected with the screw rod (31).

6. The automobile sheet metal stamping device according to claim 3, characterized in that a water tank (24) is fixedly arranged on the side wall of the stamping device (1), a plurality of atomizing nozzles (25) are uniformly and fixedly arranged on the inner wall of the air duct (14), the water tank (24) is fixedly connected and communicated with the plurality of atomizing nozzles (25) through a communicating pipe (26), and a water pump (27) is fixedly connected to the communicating pipe (26).

7. The automobile sheet metal stamping device according to claim 1, characterized in that one side of stamping device (1) far away from the pushing component is provided with an inclined slideway (28), two electric push rods (29) are horizontally and symmetrically arranged between the inclined slideway (28) and the stamping device (1), two electric push rods (29) are fixedly connected to the side wall of the stamping device (1), and the telescopic ends of the two electric push rods (29) are fixedly connected with the inclined slideway (28).

8. The stamping device for the sheet metal of the automobile according to claim 1, wherein an observation window is arranged on the side wall of the water tank (24), scale marks are arranged on the observation window, a pressure type water level sensor is fixedly arranged on the bottom wall of the water tank (24), and a buzzer electrically connected with the pressure type water level sensor is fixedly arranged on the outer wall of the water tank (24).

9. The automobile sheet metal stamping device according to claim 1, wherein a discharge port communicated with the groove is formed in one side wall of the stamping device (1), and a conveyor belt device (30) is horizontally and fixedly arranged in the discharge port.

10. The automobile sheet metal stamping device according to claim 1, wherein the working steps of the automobile sheet metal stamping device are as follows:

A) the method comprises the steps that a plate to be stamped by a metal plate is placed on a placing frame (4), then the plate works through a first servo motor (12), the first servo motor (12) drives a driving belt wheel (13) to rotate when working, the driving belt wheel (13) drives a driven belt wheel (11) to rotate through a belt, the driven belt wheel (11) is fixedly sleeved on one rotating rod (7), the rotating rod (7) drives two bevel gears (10) to rotate when rotating, adjacent bevel gears (10) are meshed with each other, so that the four rotating rods (7) synchronously rotate, and four limiting clamping blocks (9) are synchronously driven to rotate to clamp the plate;

B) after clamping is finished, a hydraulic mechanism on the stamping device (1) works to drive the female die (2) to move downwards, the plate is pressed downwards, the placing frame (4) is synchronously pressed, the placing frame (4) and the plate synchronously move downwards, the induction coil (6) is electrified to heat the plate entering the heating cylinder (5), stamping operation is assisted, and the plate is subjected to stamping forming through the extrusion effect of the female die (2) and the male die (3);

C) waste materials generated by stamping enter a groove on the lower side of the stamping device (1) through a blanking port and simultaneously fall onto a conveyor belt device (30), the waste materials are conveyed out through the operation of the conveyor belt device (30), after the stamping is finished, the stamping device (1) lifts a concave die (2), a slide rod (16) is jacked upwards under the reset action of a limiting spring (18), and a placing frame (4) and a plate are synchronously driven to move upwards to an original position;

D) a fan (15) in the air duct (14) works, a refrigerator works and cools air blown out by the fan (15) through a plurality of radiating fins, meanwhile, a water pump (27) works and pumps water in a water tank (24) into the air duct (14) through a communicating pipe (26) and sprays the water into a plurality of atomizing nozzles (25) to form air flow carrying water mist, and sheet metal parts of stroke after stamping are washed and cooled;

E) first servo motor (12) reverse work, remove the limiting action of four spacing fixture blocks (9) to the sheet metal component, work through second servo motor (32) after that, drive lead screw (31) rotate, lead screw (31) rotate and drive movable block (21) and remove, and drive ejector pad (22) through connecting rod (23) and remove, release the sheet metal component, then two electric putter (29) remove, make slope slide (28) remove to and place frame (4) contact position, let the sheet metal component pushed down and roll-off.