CN213613554U

CN213613554U - Stamping device

Info

Publication number: CN213613554U
Application number: CN202022294773.9U
Authority: CN
Inventors: 徐志军; 张善准; 张玉奎
Original assignee: Rizhao Xingye Auto Parts Co ltd
Current assignee: Rizhao Xingye Auto Parts Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-07-06
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a punching device, which relates to the technical field of punch forming equipment and comprises a frame, wherein a base, a slide block, an upper die holder and an upper punching die are arranged on the frame, the base comprises a rotating seat which is rotatably arranged on the frame, a first power assembly for driving the rotating seat to vertically overturn is arranged on the frame, four work tables which are uniformly arranged around the rotating seat are arranged outside the rotating seat, and a lower die holder and a lower punching die are arranged on the work tables; a clamping mechanism for fixing the plate on the lower stamping die is arranged on the workbench; a lifting platform for bearing the plate is arranged below the rotating seat; an oiling mechanism is arranged on the rack and corresponds to one rising side of the rotating seat; one side of the rotating seat which descends is correspondingly provided with a discharging mechanism. The utility model provides an among the prior art stamping efficiency hang down and stamping equipment occupy the big technical problem in space, the utility model provides an operating efficiency and punching press quality have improved space utilization.

Description

Stamping device

Technical Field

The utility model relates to a stamping forming equipment technical field, in particular to stamping device.

Background

The stamping process of present work piece mainly includes material loading, fat liquoring, punching press and unloading, and the material loading station, fat liquoring station, punching press station and the unloading station of work piece among this process, above-mentioned four stations are linear arrangement and constitute one set of production line of accomplishing, cause work piece stamping equipment structure not compact like this, occupy the space greatly, the operating efficiency is restricted seriously.

Disclosure of Invention

To the above defect, the utility model aims at providing a stamping device aims at solving among the prior art technical problem that stamping efficiency is low and stamping equipment occupies a large space.

In order to solve the technical problem, the technical scheme of the utility model is that:

a stamping device comprises a rack, wherein a base is mounted on the rack, a sliding block driven to lift by oil pressure is arranged above the base, an upper die base is mounted on the sliding block, an upper stamping die is mounted on the upper die base, the base comprises a rotating base rotatably mounted on the rack, a first power assembly for driving the rotating base to vertically turn is mounted on the rack, four working tables are arranged on the outer side of the rotating base and uniformly arranged around the rotating base, a lower die base is mounted on each working table, and a lower stamping die is mounted on each lower die base; a clamping mechanism for fixing the plate on the lower stamping die is arranged on the workbench; a lifting platform for bearing the plate is arranged below the rotating seat; an oiling mechanism is arranged on the rack and corresponds to one rising side of the rotating seat; one side of the rotating seat which descends is correspondingly provided with a discharging mechanism.

The two ends of the rotating seat are respectively connected to the rack in a rotating mode through rotating shafts, the two ends of the rotating seat are respectively provided with four clamping grooves corresponding to the four working tables, a through hole is formed in the rack, a clamping block used for being inserted into the clamping grooves is arranged in the through hole, and a first linear driving mechanism for driving the clamping block to slide in the through hole is installed on the rack.

The clamping mechanism comprises a first permanent magnetic chuck and a clamping jaw mechanism, the first permanent magnetic chuck is installed on the workbench and used for adsorbing and fixing the plate surface of the plate, the clamping jaw mechanism comprises two clamping blocks which are driven by a first linear driving mechanism and move in the opposite direction or in the opposite direction, and the clamping blocks are used for clamping the opposite sides of the plate.

Wherein, fat liquoring mechanism includes horizontal migration mechanism, installs vertical moving mechanism on horizontal moving mechanism's the action end, installs first connecting block on vertical moving mechanism's the action end, and the bottom surface slope rigid coupling of first connecting block has the second connecting block, and the tip of second connecting block rotates installs the fat liquoring roller.

Wherein, install in the frame and place the board, place and be equipped with the batch oil tank on the board, the top of batch oil tank is equipped with the opening, and the lateral part of batch oil tank is equipped with mends the hydraulic fluid port.

Wherein, the oiling roller includes the roll body, and the roll body overcoat is equipped with attaches the oil reservoir, and the oil level height is 0.2~0.5 with the thickness ratio of attaching the oil reservoir in the batch oil tank.

Wherein, the bottom of the case of the oil storage tank is equipped with the silica gel layer, and the top surface on silica gel layer is equipped with a plurality of bar arch, and a plurality of bar arch sets up along horizontal migration mechanism's action direction interval arrangement.

Wherein, discharge mechanism includes first mount pad, the swing arm, second mount pad and the sharp actuating mechanism of second, first mount pad fixed mounting is in the frame, the one end of swing arm articulates on first mount pad, install the wobbling second power component of drive swing arm on the first mount pad, the other end of swing arm articulates in the middle part of second mount pad, one side that the swing arm is dorsad to the second mount pad is equipped with second permanent magnetism sucking disc, the stiff end of the sharp actuating mechanism of second articulates in the swing arm, the action end of the sharp actuating mechanism of second articulates in the lateral part of second mount pad.

Wherein, install two roller platforms that parallel on the frame, be equipped with the clearance that can supply the second mount pad to pass through between two roller platforms.

Wherein, one side of the second mounting seat back to the swing arm is provided with a groove, and an industrial camera is arranged in the groove.

After the technical scheme is adopted, the beneficial effects of the utility model are that:

the utility model discloses a stamping device includes the frame, install the base in the frame, the base top is equipped with the slider that the oil pressure drives goes up and down, install the upper die base on the slider, install upper stamping die on the upper die base, the base includes the rotation seat of rotation installation in the frame, install the first power component that drives the rotation seat and overturn perpendicularly in the frame, the outside of rotation seat is equipped with four workstations, four workstations are around rotating the seat and being evenly arranged, install the die holder on the workstation, install lower stamping die on the die holder; a clamping mechanism for fixing the plate on the lower stamping die is arranged on the workbench; a lifting platform for bearing the plate is arranged below the rotating seat; an oiling mechanism is arranged on the rack and corresponds to one rising side of the rotating seat; one side of the rotating seat which descends is correspondingly provided with a discharging mechanism. The four working tables are continuously operated, when the working tables are positioned at the bottom of the rotating seat, the lifting table lifts the plate, and the clamping mechanism clamps the plate, so that the plate is fixed on the working tables; the sheet material rotates to the left side of the rotating seat along with the rotation of the rotating seat by 90 degrees, and the oiling mechanism performs oiling on the sheet material surface at the moment; after the oiling process is finished, the rotating seat continues to rotate by 90 degrees, so that the sheet material comes to the top of the rotating body, the sliding block slides downwards to punch the sheet material, and after the punching is finished, the sliding block resets; the rotating seat continues to rotate by 90 degrees, so that the plate rotates to the right side of the rotating seat, and at the moment, the discharging mechanism takes down the plate subjected to stamping forming. Thereby the operation flow of a workstation has been accomplished, thereby four workstation continuity of operation have promoted the operating efficiency greatly to stamping device has effectually reduced the space occupation volume of part, has reduced the area of device, has improved space utilization.

Because the both ends of rotating the seat are rotated through the pivot respectively and are connected in the frame, the both ends of rotating the seat all are equipped with four draw-in grooves that correspond with four workstations respectively, install the through-hole in the frame, are equipped with in the through-hole to be used for inserting the fixture block of joining in marriage with the draw-in groove, install the first linear drive mechanism that drives the fixture block and slide in the through-hole in the frame. The first linear driving mechanism drives the clamping block to slide in the through hole in a reciprocating mode, when the clamping groove rotates to be aligned with the through hole, the first linear driving mechanism drives the clamping block to be clamped into the clamping groove, therefore, stable locking after the rotation seat rotates 90 degrees is further enhanced, and the accuracy of operation of each process is guaranteed. The linear driving mechanism is a cylinder, a hydraulic cylinder or an electric push rod.

The clamping mechanism comprises a first permanent magnetic chuck and a clamping jaw mechanism which are arranged on the workbench, the first permanent magnetic chuck is used for adsorbing and fixing the plate surface of the plate, the clamping jaw mechanism comprises two clamping blocks which are driven by a first linear driving mechanism and move in the opposite direction or in the opposite direction, and the clamping blocks are used for clamping the opposite sides of the plate. Therefore, the fixation between the opposite sides of the plate and the fixation of the plate along the thickness direction are realized, and the plate is quickly and efficiently clamped on the workbench. First permanent magnetism sucking disc goes up and down through the drive of first elevating system, improves the adsorbed accuracy and the stability of first permanent magnetism sucking disc.

Because the oiling mechanism includes horizontal migration mechanism, installs vertical movement mechanism on horizontal movement mechanism's the action end, installs first connecting block on vertical movement mechanism's the action end, and the bottom surface slope rigid coupling of first connecting block has the second connecting block, and the tip of second connecting block rotates installs the oiling roller. The oiling roller adhered with the drawing oil is pressed against the plate under the driving of the horizontal moving mechanism, and then the vertical moving mechanism drives the oiling roller to roll downwards to realize oiling. The whole oiling process is accurate and efficient.

Because install in the frame and place the board, place and be equipped with the batch oil tank on the board, the top of batch oil tank is equipped with the opening, and the lateral part of batch oil tank is equipped with mends the hydraulic fluid port, and the fat liquoring roller after the fat liquoring is accomplished enters into the batch oil tank under horizontal migration mechanism and vertical moving mechanism's combined action, and oil is mended in regular adhesion.

Because the oiling roller comprises a roller body, an oil-attached layer is sleeved outside the roller body, and the thickness ratio of the oil level height in the oil storage tank to the oil-attached layer is 0.2-0.5, the phenomenon that drawing oil is adhered to the roller body to cause splashing of the drawing oil is avoided.

Because the bottom of the case of the oil storage tank is equipped with the silica gel layer, the top surface on silica gel layer is equipped with a plurality of bar arch, and a plurality of bar arch arranges the setting along horizontal migration mechanism's action direction interval. After the oiling roller is pressed against the silica gel layer, the horizontal moving mechanism drives the oiling roller to roll and move forward, and the blocking and leaning action of the strip-shaped bulges ensures that the oiling roller can roll continuously, so that the uniformity of the oiling roller for soaking drawing oil is improved; simultaneously, the impurities adhered to the oiling roller can be effectively cleaned.

Because discharge mechanism includes first mount pad, the swing arm, second mount pad and the sharp actuating mechanism of second, first mount pad fixed mounting is in the frame, the one end of swing arm articulates on first mount pad, install the wobbling second power component of drive swing arm on the first mount pad, the other end of swing arm articulates in the middle part of second mount pad, one side that the swing arm is dorsad to the second mount pad is equipped with second permanent magnetism sucking disc, the stiff end of the sharp actuating mechanism of second articulates in the swing arm, the action end of the sharp actuating mechanism of second articulates in the lateral part of second mount pad. Under the combined action of the second power assembly and the second linear driving mechanism, the swing rod swings upwards to a specific position, the second mounting seat rotates to a vertical position, the first permanent magnetic chuck resets, the second permanent magnetic chuck adsorbs the plate, then the clamping jaw mechanism resets, and the swing rod swings downwards, so that the plate is separated from the workbench, unloading is achieved, and the unloaded plate can be stacked at the specific position.

Because the frame is provided with two parallel roller tables, a gap for the second mounting seat to pass through is arranged between the two roller tables. When the swing rod swings downwards below the roller table, the second mounting frame penetrates through the gap, the second permanent magnetic chuck is closed, the plate can be supported on the roller table, and the roller table conveys the plate to the next station.

Because one side of the second mounting seat back to the swing arm is provided with a groove, an industrial camera is arranged in the groove. When the plate material is unloaded, the industrial camera shoots the plate material in the process that the second mounting seat moves towards the plate material, and the collected image information is transmitted to the visual detection system or the visual acquisition system, so that the detection or the image acquisition of the plate material is realized.

To sum up, the utility model provides an among the prior art stamping efficiency low and stamping equipment occupy the big technical problem in space, the utility model provides an operating efficiency and punching press quality to effectual space occupation volume that has reduced the part has reduced the area of device, has improved space utilization. Furthermore the utility model discloses still have high-efficient fat liquoring, quick unloading and visual detection's function.

Drawings

Fig. 1 is a schematic structural view of a stamping device according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of the connection between the latch and the rotating base in FIG. 1;

in the figure, a machine frame 1, a first power assembly 10, a through hole 11, a clamping block 12, a first linear driving mechanism 13, a sliding block 2, an upper die base 20, an upper stamping die 21, a rotating base 3, a workbench 30, a lower die base 300, a lower stamping die 301, a first permanent magnetic chuck 31, a clamping jaw mechanism 32, a clamping groove 33, an oiling mechanism 4, a horizontal moving mechanism 40, a vertical moving mechanism 41, a connecting frame 42, a linear guide rail 420, a first connecting block 43, a second connecting block 44, an oiling roller 45, a roller body 450, an oil attaching layer 451, a placing plate 46, an oil storage tank 47, a silica gel layer 470, a strip-shaped protrusion 471, an oil supplementing port 472, a discharging mechanism 5, a first mounting base 50, a swing arm 51, a second linear driving mechanism 510, a second mounting base 52, a second permanent magnetic chuck 520, a groove 521, an industrial camera sucker 522, a roller table 53, a lifting table 6 and a plate 7.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The directions referred to in this specification all take the direction of the punching device in normal operation of the present invention as a standard, and the directions of the punching device in storage and transportation are not limited, and only represent relative positional relationships, not absolute positional relationships.

As shown in fig. 1, 2 and 3, the stamping device includes a frame 1, a base is mounted on the frame 1, a slide block 2 driven by oil pressure to lift is arranged above the base, an upper die holder 20 is mounted on the slide block 2, an upper stamping die 21 is mounted on the upper die holder 20, the base includes a rotating base 3, the rotating base 3 is rotatably mounted on the frame 1 through a rotating shaft, the rotating shaft is horizontally arranged, a first power assembly 10 is arranged on the frame 1, the first power assembly 10 drives the rotating shaft to rotate clockwise, thereby driving the rotating seat 3 to synchronously rotate on a vertical surface, four work tables 30 are arranged on the outer side of the rotating seat 3, the four work tables 30 are uniformly arranged around the rotating seat 3, a lower die holder 300 is arranged on the work tables 30, a lower stamping die 301 is arranged on the lower die holder 300, in the embodiment, the rotating seat 3 is driven by the first power assembly 10 to rotate by 90 degrees every time to change a station. A clamping mechanism for fixing the plate 7 on the lower stamping die 301 is arranged on the workbench 30; a lifting platform 6 for bearing the plate 7 is arranged below the rotating seat 3; an oiling mechanism 4 is arranged on the frame 1, and the oiling mechanism 4 is arranged corresponding to one side (namely the left side of the rotating seat 3 in the figure) of the rotating seat 3; the descending side (i.e. the right side of the rotating seat 3 in the figure) of the rotating seat 3 is correspondingly provided with a discharging mechanism 5. The first power assembly 10 is a servo motor or a stepping motor.

When the four working tables 30 are used, continuous operation is performed, when the working tables 30 are positioned at the bottom of the rotating seat 3, the lifting table 6 lifts the plate 7, and the clamping mechanism clamps the plate 7, so that the plate 7 is fixed on the working tables 30; the sheet material 7 rotates to the left side of the rotating seat 3 along with the rotation of the rotating seat 3 by 90 degrees, and the oiling mechanism 4 is used for oiling the surface of the sheet material 7; after the oiling process is finished, the rotating seat 3 continues to rotate for 90 degrees, so that the sheet material 7 comes to the top of the rotating body, the sliding block 2 slides downwards to punch the sheet material 7, and after the punching is finished, the sliding block 2 resets; the rotating seat 3 continues to rotate by 90 degrees, so that the plate 7 rotates to the right side of the rotating seat 3, and at the moment, the discharging mechanism 5 takes down the stamped plate 7. Thereby the operation flow of a workstation 30 has been accomplished, thereby four workstations 30 continuous operation have promoted the operating efficiency greatly to stamping device has effectually reduced the space occupation volume of part, has reduced the area of device, has improved space utilization.

Further, the two ends of the rotating seat 3 correspond to frame plates of the rack 1, the two ends of the rotating seat 3 are provided with four clamping grooves 33 corresponding to the four work tables 30 respectively, the frame plates are provided with through holes 11, clamping blocks 12 are arranged in the through holes 11, a first linear driving mechanism 13 is installed on the rack 1, the first linear driving mechanism 13 drives the clamping blocks 12 to slide in the through holes 11 in a reciprocating mode, when the clamping grooves 33 rotate to be aligned with the through holes 11, the first linear driving mechanism 13 drives the clamping blocks 12 to be clamped into the clamping grooves 33, therefore, the rotating seat 3 is further strengthened to rotate 90 degrees and then be locked stably, and accuracy of operation of each process is guaranteed. The linear driving mechanism is a cylinder, a hydraulic cylinder or an electric push rod.

Preferably, the clamping mechanism includes a first permanent magnetic chuck 31 and a clamping jaw mechanism 32, the first permanent magnetic chuck 31 and the clamping jaw mechanism 32 are installed on the workbench 30, the first permanent magnetic chuck 31 is used for being fixed on the plate surface of the plate 7 in an adsorbing manner, the clamping jaw mechanism 32 includes two clamping blocks which are driven by a third linear driving mechanism and move in opposite directions or in opposite directions, and the clamping blocks are used for being clamped on opposite sides of the plate 7. Therefore, the opposite sides of the plate 7 are fixed, the plate 7 is fixed along the thickness direction, and the plate 7 is clamped on the workbench 30 quickly and efficiently. First permanent magnet sucking disc 31 goes up and down through the drive of first elevating system, improves the adsorbed accuracy and the stability of first permanent magnet sucking disc 31.

Preferably, the oiling mechanism 4 includes a horizontal movement mechanism 40, a connecting frame 42 is installed on an action end of the horizontal movement mechanism 40, a vertical movement mechanism 41 is installed on the connecting frame 42, a first connecting block 43 is installed on an action end of the vertical movement mechanism 41, a vertically arranged linear guide rail 420 is installed on the connecting frame 42, a sliding block of the linear guide rail 420 is fixedly connected with the first connecting block 43, the horizontal movement mechanism 40 drives the connecting frame 42 to move horizontally, the vertical movement mechanism 41 drives the first connecting block 43 to move vertically, and both the horizontal movement mechanism 40 and the vertical movement mechanism 41 are cylinders or electric push rods. The bottom surface of the first connecting block 43 is obliquely and fixedly connected with a second connecting block 44, the second connecting block 44 extends towards the direction of the lifting platform 6, and the end part of the second connecting block 44 is rotatably provided with an oiling roller 45. The oiling roller 45 adhered with drawing oil is pressed against the sheet material 7 under the driving of the horizontal moving mechanism 40, and then the vertical moving mechanism 41 drives the oiling roller 45 to roll downwards to realize oiling. The whole oiling process is accurate and efficient. The oiling time can be controlled within 10 s.

Furthermore, a placing plate 46 is installed on the frame 1, an oil storage tank 47 is arranged on the placing plate 46, drawing oil is contained in the oil storage tank 47, an opening is formed in the top of the oil storage tank 47, an oil supplementing port 472 is formed in the side portion of the oil storage tank 47, and an oil supplying system continuously supplements oil to the oil storage tank 47. The oiling roller 45 after oiling enters an oil storage tank 47 under the combined action of the horizontal moving mechanism 40 and the vertical moving mechanism 41, and oil is periodically adhered and supplemented.

Furthermore, the oiling roller 45 comprises a roller body 450, an oil-attached layer 451 is sleeved outside the roller body 450, the oil-attached layer 451 preferentially absorbs oil cotton, the thickness ratio of the oil level height in the oil storage tank 47 to the oil-attached layer 451 is 0.2-0.5, and the phenomenon that drawing oil is attached to the roller body 450 to cause splashing of the drawing oil is avoided.

Furthermore, a silica gel layer 470 is arranged at the bottom of the oil storage tank 47, a plurality of strip-shaped protrusions 471 are arranged on the top surface of the silica gel layer 470, the strip-shaped protrusions 471 are arranged at intervals along the action direction of the horizontal moving mechanism 40, after the oil coating roller 45 is pressed against the silica gel layer 470, the horizontal moving mechanism 40 drives the oil coating roller 45 to roll and advance, and the strip-shaped protrusions 471 are blocked and abutted, so that the oil coating roller 45 can roll continuously, and the uniformity of the oil coating roller 45 for soaking drawing oil is improved; and simultaneously, impurities adhered to the oiling roller 45 can be effectively cleaned.

Preferably, the discharging mechanism 5 includes a first mounting seat 50, a swing arm 51, a second mounting seat 52 and a second linear driving mechanism 510, the first mounting seat 50 is fixedly mounted on the frame 1, one end of the swing arm 51 is rotatably mounted on the first mounting seat 50 through a first connecting shaft, a second power assembly for driving the first connecting shaft to rotate is mounted on the first mounting seat 50, the first connecting shaft rotates to drive the swing arm 51 to swing, the other end of the swing arm 51 is rotatably connected to the middle of the second mounting seat 52 through a second connecting shaft, one side of the second mounting seat 52 facing away from the swing arm 51 is provided with a second permanent magnetic chuck 520, the fixed end of the second linear driving mechanism 510 is hinged to the swing arm 51, the action end of the second linear driving mechanism 510 is hinged to the side of the second mounting seat 52, and the rotation position of the second mounting seat 52 is controlled through the second linear driving mechanism 510.

When the device is used, under the combined action of the second power assembly and the second linear driving mechanism 510, the swing rod swings upwards to a specific position, the second mounting seat 52 rotates to a vertical position, the first permanent magnetic chuck 31 resets, the second permanent magnetic chuck 520 adsorbs the plate 7, then the clamping jaw mechanism 32 resets, and the swing rod swings downwards, so that the plate 7 is separated from the workbench 30, the unloading is realized, and the unloaded plate 7 can be stacked at the specific position. In this embodiment, the second permanent magnetic chuck 520 is driven to ascend and descend by the second elevating mechanism, so as to improve the accuracy and stability of the adsorption of the second permanent magnetic chuck 520.

Further, two parallel roller tables 53 are installed on the machine frame 1, a gap through which the second installation seat 52 can pass is formed between the two roller tables 53, when the swing rod swings downwards below the roller tables 53, the second installation frame penetrates through the gap, the second permanent magnetic chuck 520 is closed, so that the plate 7 can be supported on the roller tables 53, and the roller tables 53 convey the plate 7 to the next station.

Further, a groove 521 is formed in one side, facing away from the swing arm 51, of the second mounting seat 52, an industrial camera 522 is installed in the groove 521, the industrial camera 522 is connected with a visual detection system or a visual acquisition system, when discharging is performed, in the process that the second mounting seat 52 moves towards the sheet material 7, the industrial camera 522 takes a picture of the sheet material 7, and acquired image information is transmitted to the visual detection system or the visual acquisition system, so that detection or image acquisition of the sheet material 7 is achieved.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. A stamping device comprises a frame, a base is arranged on the frame, a slide block driven by oil pressure to lift is arranged above the base, an upper die base is arranged on the slide block, an upper stamping die is arranged on the upper die base, the stamping device is characterized in that,

the base comprises a rotating seat rotatably mounted on the rack, a first power assembly for driving the rotating seat to vertically turn is mounted on the rack, four working tables are arranged on the outer side of the rotating seat and uniformly arranged around the rotating seat, a lower die holder is mounted on each working table, and a lower stamping die is mounted on each lower die holder;

the workbench is provided with a clamping mechanism for fixing the plate on the lower stamping die;

a lifting platform for bearing the plate is arranged below the rotating seat;

an oiling mechanism is arranged on the rack and corresponds to one rising side of the rotating seat;

and a discharging mechanism is correspondingly arranged on one descending side of the rotating seat.

2. The stamping device as claimed in claim 1, wherein two ends of the rotary seat are rotatably connected to the frame through a rotating shaft, the two ends of the rotary seat are provided with four slots respectively corresponding to the four work tables, a through hole is installed on the frame, a clamping block for being inserted into the slot is installed in the through hole, and the frame is provided with a first linear driving mechanism for driving the clamping block to slide in the through hole.

3. The stamping apparatus as claimed in claim 1, wherein the clamping mechanism includes a first permanent magnetic chuck mounted on the table for suction attachment to the face of the sheet material and a jaw mechanism including two opposed or oppositely movable jaws driven by a first linear drive mechanism for clamping to opposite sides of the sheet material.

4. The stamping device as claimed in claim 1, wherein the oiling mechanism comprises a horizontal moving mechanism, a vertical moving mechanism is mounted on an action end of the horizontal moving mechanism, a first connecting block is mounted on an action end of the vertical moving mechanism, a second connecting block is fixedly connected to the bottom surface of the first connecting block in an inclined manner, and an oiling roller is rotatably mounted at the end of the second connecting block.

5. The punching device as claimed in claim 4, wherein a placing plate is mounted on the frame, an oil storage tank is provided on the placing plate, an opening is provided at the top of the oil storage tank, and an oil supply port is provided at the side of the oil storage tank.

6. The stamping apparatus as claimed in claim 5, wherein the oiling roller includes a roller body, an oil-attached layer is provided around the roller body, and the ratio of the height of the oil level in the oil storage tank to the thickness of the oil-attached layer is 0.2-0.5.

7. The punching device according to claim 6, wherein a silicone layer is disposed on a bottom of the oil storage tank, a plurality of strip-shaped protrusions are disposed on a top surface of the silicone layer, and the plurality of strip-shaped protrusions are arranged at intervals along an action direction of the horizontal moving mechanism.

8. The punching device according to claim 1, wherein the discharging mechanism comprises a first mounting seat, a swing arm, a second mounting seat and a second linear driving mechanism, the first mounting seat is fixedly mounted on the frame, one end of the swing arm is hinged to the first mounting seat, a second power assembly for driving the swing arm to swing is mounted on the first mounting seat, the other end of the swing arm is hinged to the middle of the second mounting seat, a second permanent magnetic chuck is arranged on one side of the second mounting seat, which faces away from the swing arm, a fixed end of the second linear driving mechanism is hinged to the swing arm, and an action end of the second linear driving mechanism is hinged to a side portion of the second mounting seat.

9. The stamping apparatus as claimed in claim 8, wherein the frame has two parallel roller tables mounted thereon, a gap being provided between the two roller tables for the second mounting block to pass through.

10. The stamping device of claim 8, wherein a side of the second mounting base facing away from the swing arm is provided with a groove, and an industrial camera is mounted in the groove.