CN111844226A

CN111844226A - MOPP film puncher

Info

Publication number: CN111844226A
Application number: CN202010725936.6A
Authority: CN
Inventors: 胡媛媛; 王俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2020-10-30

Abstract

The invention relates to the field of punching machines, in particular to an MOPP film punching machine which comprises a seat plate, wherein the middle part of the upper end of the seat plate is fixedly connected with a storage box, a driving mechanism is arranged in the storage box, the driving mechanism is connected with an installation ring and a carrying ring, the installation ring is positioned right above the carrying ring, the diameter of the installation ring is the same as that of the carrying ring, and a plurality of installation holes are formed in the installation ring in a penetrating mode. According to the invention, the driving mechanism with the mounting ring is arranged on the storage box, and the mounting ring is provided with the plurality of hole opening mechanisms, when holes with different diameters need to be formed, the servo motor of the driving mechanism can be used for driving the mounting ring to rotate, the proper hole opening mechanism is rotated to the position below the hydraulic cylinder of the pressing mechanism, the pressure rod and the piston rod of the hydraulic cylinder are connected together through the first magnet disc and the second magnet disc, then the hole punching operation can be continued, and the pressure rod with the cutting ring with the proper diameter does not need to be replaced by other punching machines or workers manually, so that the convenience is realized.

Description

MOPP film puncher

Technical Field

The invention relates to the field of punching machines, in particular to an MOPP film punching machine.

Background

The MOPP film is a film plated with aluminum metal, belongs to a film, and is used for a plurality of mechanical equipment parts in the processing process, and a punching machine is one of the mechanical equipment used in punching.

At present MOPP film adds the hole diameter that the used puncher processing came out and mostly is fixed man-hour, when seting up the hole of other diameters, need to change different puncher or manual change different diameter parts of punching, it is comparatively troublesome, if the MOPP film is in the state of strutting, bellied burr appears easily in the hole of seting up out, the dynamics of pushing down when punching is not enough, make the MOPP film piece stop easily in the hole of seting up, need the staff manual work to clear up, staff's work load has been increased.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an MOPP film perforating machine, which solves the problems that the diameters of holes machined by the perforating machine used in the current MOPP film machining are mostly fixed, different perforating machines or perforating parts with different diameters need to be replaced manually when holes with other diameters are arranged, the holes are troublesome, if the MOPP film is in a supporting state, raised burrs are easy to appear on the periphery of the arranged holes, and if the pressing force during perforating is insufficient, fragments of the MOPP film are easy to stay in the arranged holes, the holes need to be cleaned manually by workers, and the workload of the workers is increased.

The technical scheme adopted by the invention for solving the technical problems is as follows: a MOPP film perforating machine comprises a seat plate, wherein a storage box is fixedly connected to the middle of the upper end of the seat plate, a driving mechanism is installed inside the storage box, the driving mechanism is connected with a mounting ring and a carrying ring, the mounting ring is located right above the carrying ring, the diameter of the mounting ring is the same as that of the carrying ring, a plurality of mounting holes are formed in the mounting ring in a penetrating mode, the mounting holes are distributed on the mounting ring in an annular mode, the distance between every two adjacent mounting holes is the same, a hole opening mechanism is installed inside each mounting hole, buffering mechanisms are installed on two sides of each mounting ring, a plurality of punching holes are formed in the carrying ring, the number of the punching holes formed in the carrying ring is the same as that of the mounting holes formed in the mounting ring, the number of the punching holes formed in the carrying ring is in one-to-one correspondence with the number of the mounting holes formed in the mounting ring, a rubber pad, the upper end both sides of bedplate all fixedly connected with riser, two install down pressing means jointly between the upper end of riser, two the spout has all been seted up to one side upper end that the riser is close to.

Specifically, actuating mechanism includes servo motor, servo motor's output is up and fixedly connected with transfer line on the output, the transfer line runs through and fixed connection on the collar and carry the ring, transfer line and collar and year ring are located same central line, the upper end fixedly connected with fixed disk of transfer line, fixed disk and transfer line are located same central line, the fixed disk is located the top of collar, two lifter plates of the equal fixedly connected with in upper end front and back portion of fixed disk, two the lifter plate all is the arc structure, two the thickness of lifter plate increases progressively along clockwise pivoted direction, two the lifter plate is located same annular motion orbit, two the length of lifter plate is all the same with distance between two adjacent mounting hole centers.

Specifically, the punching mechanisms comprise pressing rods which penetrate through and are connected inside the mounting holes in a sliding manner, the upper ends of the pressure rods are fixedly connected with first magnet discs, the lower ends of the pressure rods are fixedly connected with cutting rings, the cutting rings and the pressure rods have the same diameter and are matched with the corresponding punched holes, the circumferential outer walls of the pressure rods below the mounting rings are sleeved with and fixedly connected with first fixing rings and second fixing rings, the first fixing rings are all positioned above the second fixing rings at the same side, the first fixing rings are all detachably connected on the mounting ring through mounting bolts, a first compression spring is sleeved on the compression bar between the first fixing ring and the second fixing ring at the same side, the equal fixed connection in homonymy first solid fixed ring's in first compression spring's upper end, the equal fixed connection in homonymy second solid fixed ring's in first compression spring's lower extreme upper end.

Specifically, the pressing mechanism comprises a transverse plate, the lower end of the transverse plate is fixedly connected with a fixed rod, the lower end of the fixed rod is abutted against the upper end of the fixed disk of the driving mechanism and is positioned between the two lifting plates of the driving mechanism, the two sides of the transverse plate are vertically provided with a first through hole in a penetrating way, one side of the transverse plate is vertically provided with a second through hole in a penetrating way, the second through hole is positioned between the first through hole at the same side and the middle part of the transverse plate, the upper end of the second through hole is fixedly connected with a hydraulic cylinder, the piston rod of the hydraulic cylinder faces downwards and is connected inside the second through hole in a sliding manner, the lower end of the piston rod of the hydraulic cylinder is fixedly connected with a second magnet disc, the lower end of the second magnet disc is magnetically connected with the upper end of the first magnet disc of the perforating mechanism right below, the two sides of the transverse plate are fixedly connected with sliding blocks, and the sliding blocks are connected inside sliding grooves formed in the vertical plates on the same side in a sliding mode.

The buffer mechanism comprises a limiting block, the limiting block and the installation ring are located on the same horizontal plane, a limiting groove is formed in one side, close to the middle of the seat plate, of the limiting block, the limiting block is connected to the installation ring through the limiting groove in a clamped mode, the limiting block is connected to the middle of the seat plate and is fixedly connected to the same-side vertical plate, a locating rod is fixedly connected to the middle of the upper end of the limiting block, the upper end of the locating rod penetrates through the first through hole of the pressing mechanism in a penetrating mode and is connected to the first through hole of the pressing mechanism in a sliding mode, a buffer spring is sleeved on the outer wall of the locating rod, the upper end of the buffer spring is fixedly connected to the lower end of the transverse plate of the.

Specifically, the upper ends of the two sides, far away from the vertical plates, of the vertical plates are provided with pin holes, the pin holes are communicated with the lower ends of the inner portions of the chutes formed in the vertical plates, pin shafts are inserted into the pin holes, and the pin shafts penetrate through the pin holes and are inserted into the sliding blocks of the pressing mechanisms.

Specifically, the upper end outer wall of the storage box is sleeved with a fixedly connected bearing, the outer ring outer wall of the bearing is fixedly connected with a fixed pipe, and the upper end of the fixed pipe is fixedly connected to the lower end of the loading ring.

Specifically, the front of the storage box is provided with a discharge port, the lower end of the discharge port is hinged to a rotating plate through a hinge, the rotating plate is clamped inside the discharge port which is arranged on the front of the storage box, and the upper end of the front of the rotating plate is fixedly connected with a handle.

The invention has the beneficial effects that:

(1) according to the invention, the driving mechanism with the mounting ring is arranged on the storage box, and the mounting ring is provided with the plurality of hole opening mechanisms, when holes with different diameters need to be formed, the servo motor of the driving mechanism can be used for driving the mounting ring to rotate, the proper hole opening mechanism is rotated to the position below the hydraulic cylinder of the pressing mechanism, the pressure rod and the piston rod of the hydraulic cylinder are connected together through the first magnet disc and the second magnet disc, then the hole punching operation can be continued, and the pressure rod with the cutting ring with the proper diameter does not need to be replaced by other punching machines or workers manually, so that the convenience is realized.

(2) The driving mechanism is characterized in that a plurality of punched carrier rings are arranged on a transmission rod of the driving mechanism, the punched holes on the carrier rings correspond to the cutting rings of the punching mechanism, when the cutting rings are pressed down by the pressing rod to punch holes on the MOPP film, the pressing rod and the cutting rings can slide into the corresponding punched holes, the outer walls of the pressing rod and the cutting rings are in contact with the inner walls of the punched holes, and the raised burrs at the periphery of the punched holes can be avoided.

(3) According to the invention, the punching hole is communicated with the interior of the storage box, and the press rod and the cutting ring slide into the punching hole in the punching process, so that MOPP film fragments generated in the punching process can fall into the storage box through the punching hole.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a cutaway view provided by the present invention;

FIG. 2 is an enlarged view taken at A of FIG. 1 in accordance with the present invention;

FIG. 3 is a schematic structural view of a fixing plate according to the present invention;

FIG. 4 is a schematic view of a mounting ring configuration provided by the present invention;

FIG. 5 is a schematic structural diagram of a hole opening mechanism provided in the present invention;

FIG. 6 is a schematic diagram of a vertical plate structure provided in the present invention;

FIG. 7 is a schematic view of a cross plate structure provided in the present invention;

fig. 8 is a schematic diagram of an external structure provided by the present invention.

In the figure: 1. a seat plate; 2. a storage box; 3. a drive mechanism; 31. a servo motor; 32. a transmission rod; 33. fixing the disc; 34. a lifting plate; 4. a mounting ring; 5. mounting holes; 6. a hole opening mechanism; 61. a pressure lever; 62. a first magnet disc; 63. a first retaining ring; 64. a second retaining ring; 65. installing a bolt; 66. a first compression spring; 67. cutting a ring; 7. a buffer mechanism; 71. a limiting block; 72. a limiting groove; 73. positioning a rod; 74. a buffer spring; 8. a vertical plate; 9. a pressing mechanism; 91. a transverse plate; 92. fixing the rod; 93. a first through hole; 94. a second through hole; 95. a hydraulic cylinder; 96. a second magnet disc; 97. a slider; 10. a carrier ring; 11. punching; 12. a bearing; 13. a fixed tube; 14. a rubber pad; 15. a hinge; 16. rotating the plate; 17. a handle; 18. a chute; 19. a pin hole; 20. and (7) a pin shaft.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-8, the MOPP film perforating machine comprises a base plate 1, wherein a storage box 2 is fixedly connected to the middle of the upper end of the base plate 1, a driving mechanism 3 is installed inside the storage box 2, the driving mechanism 3 is connected with a mounting ring 4 and a carrying ring 10, the mounting ring 4 is located right above the carrying ring 10, the diameter of the mounting ring 4 is the same as that of the carrying ring 10, a plurality of mounting holes 5 are formed in the mounting ring 4 in a penetrating manner, the mounting holes 5 are annularly distributed on the mounting ring 4, the distance between every two adjacent mounting holes 5 is the same, a hole opening mechanism 6 is installed inside each mounting hole 5, a buffer mechanism 7 is installed on each side of the mounting ring 4, a plurality of punched holes 11 are formed in the carrying ring 10, the number of punched holes 11 formed in the carrying ring 10 is the same as that of the mounting holes 5 formed in the mounting ring 4, and the number of the punched holes 11 formed in the carrying ring 10 is one-to, the upper end edge of the storage box 2 is fixedly connected with a rubber pad 14, the upper end of the rubber pad 14 is in contact with the lower end of the carrying ring 10, vertical plates 8 are fixedly connected to two sides of the upper end of the seat plate 1, a pressing mechanism 9 is jointly installed between the upper ends of the two vertical plates 8, a sliding groove 18 is formed in the upper end of one side, close to the two vertical plates 8, of each vertical plate, the pressing mechanism 9 is used for driving the punching mechanism 6, and the punching mechanism 6 is used for punching an MOPP film placed on the carrying ring 10.

Specifically, the cover is established and fixedly connected with bearing 12 on the upper end outer wall of case 2, the fixed pipe 13 of fixedly connected with on the outer lane outer wall of bearing 12, the upper end fixed connection of fixed pipe 13 is at the lower extreme of carrying ring 10, supports the border department of carrying ring 10 through fixed pipe 13, prevents that the slope of carrying ring 10 from rocking in the stamping process.

Specifically, the lower extreme that discharge gate and discharge gate were seted up in the front of case 2 articulates through hinge 15 has commentaries on classics board 16, change inside the discharge gate that board 16 joint openly was seted up on case 2, change the positive upper end fixedly connected with handle 17 of board 16, accessible handle 17 upset commentaries on classics board 16, open case 2, conveniently collect the inside MOPP film piece of case 2.

Specifically, actuating mechanism 3 includes servo motor 31, fixedly connected with transfer line 32 on servo motor 31's output up and the output, transfer line 32 runs through and fixed connection on collar 4 and year ring 10, transfer line 32 and collar 4 and year ring 10 are located same central line, the upper end fixedly connected with fixed disk 33 of transfer line 32, fixed disk 33 and transfer line 32 are located same central line, fixed disk 33 is located the top of collar 4, the equal fixedly connected with two lifter plates 34 of upper end front and back portion of fixed disk 33, two lifter plates 34 all are the arc structure, two the thickness of lifter plate 34 increases progressively along clockwise pivoted direction, two lifter plates 34 are located same annular motion orbit, two the length of lifter plate 34 all is the same with the distance between two adjacent mounting hole 5 centers, for powering the operation of replacing a different tapping mechanism 6, the servomotor 31 is used to drive the mounting ring 4 to replace the tapping mechanism 6 connected to the hold-down mechanism 9.

Specifically, the punching mechanisms 6 all include a pressing rod 61, the pressing rod 61 all penetrates through and is connected in the mounting hole 5 in a sliding manner, the upper end of the pressing rod 61 is fixedly connected with a first magnet disc 62, the lower end of the pressing rod 61 is fixedly connected with a cutting ring 67, the cutting ring 67 has the same diameter as that of the pressing rod 61 and is matched with the corresponding punched hole 11, the pressing rod 61 is positioned on the circumferential outer wall below the mounting ring 4 and is sleeved with a first fixing ring 63 and a second fixing ring 64, the first fixing ring 63 is positioned above the second fixing ring 64 on the same side, the first fixing ring 63 is detachably connected on the mounting ring 4 through a mounting bolt 65, the pressing rod 61 between the first fixing ring 63 and the second fixing ring 64 on the same side is sleeved with a first compression spring 66, the upper end of the first compression spring 66 is fixedly connected at the lower end of the first fixing ring 63 on the same side, the lower ends of the first compression springs 66 are fixedly connected to the upper ends of the second fixing rings 64 on the same side, the pressing rods 61 are driven by the pressing mechanisms 9, the cutting rings 67 are pressed on the MOPP film by the pressing rods 61, and the punching operation is completed.

Specifically, the pressing mechanism 9 includes a transverse plate 91, a fixing rod 92 is fixedly connected to the lower end of the transverse plate 91, the fixing rod 92 is of an arc structure, the lower end of the fixing rod 92 abuts against the upper end of the fixing plate 33 of the driving mechanism 3 and is located between the two lifting plates 34 of the driving mechanism 3, first through holes 93 are vertically formed in both sides of the transverse plate 91 in a penetrating manner, second through holes 94 are vertically formed in one side of the transverse plate 91 in a penetrating manner, the second through holes 94 are located between the first through holes 93 and the middle portion of the transverse plate 91 on the same side, a hydraulic cylinder 95 is fixedly connected to the upper end of the second through holes 94, a piston rod of the hydraulic cylinder 95 faces downward and is slidably connected to the inside of the second through holes 94, a second magnet plate 96 is fixedly connected to the lower end of the piston rod of the hydraulic cylinder 95, and the lower end of the second magnet plate 96, the both sides of diaphragm 91 all fixedly connected with slider 97, slider 97 all sliding connection is inside the spout 18 of seting up on the same side riser 8, for the work of tapping mechanism 6 provides the power source, and the during operation utilizes pneumatic cylinder 95 drive tapping mechanism 6, carries out the operation of punching to the MOPP film.

Specifically, each of the buffer mechanisms 7 includes a limiting block 71, the limiting blocks 71 and the mounting ring 4 are located on the same horizontal plane, one side of each of the limiting blocks 71, which is close to the middle portion of the seat plate 1, is provided with a limiting groove 72, the limiting blocks 71 are fastened to the mounting ring 4 through the limiting grooves 72, one side of each of the limiting blocks 71, which is far away from the middle portion of the seat plate 1, is fixedly connected to the same side vertical plate 8, the middle portion of the upper end of each of the limiting blocks 71 is fixedly connected to a positioning rod 73, the upper ends of the positioning rods 73 are respectively penetrated and slidably connected to the inside of the first through hole 93 of the pressing mechanism 9, the outer walls of the positioning rods 73 are respectively sleeved with a buffer spring 74, the upper ends of the buffer springs 74 are respectively fixedly connected to the lower end of the horizontal plate 91 of the pressing mechanism 9, the lower ends of the, the transverse plate 91 of the pressing mechanism 9 is prevented from descending too fast to cause damage, and meanwhile the mounting ring 4 is clamped by the limiting block 71, so that the mounting ring 4 is prevented from inclining and shaking.

Specifically, two the riser 8 keeps away from one side upper end mutually all seted up pinhole 19, pinhole 19 all communicates with each other with the inside lower extreme of the spout 18 that sets up on the riser 8, round pin axle 20 has all been inserted to the inside of pinhole 19, round pin axle 20 all runs through pinhole 19 and all inserts inside the slider 97 of pushing down mechanism 9, fixes the diaphragm 91 position of pushing down mechanism 9 through round pin axle 20, prevents that diaphragm 91 from rocking in the stamping process.

When the device is used, the device is moved to a working place, a power supply is switched on, an MOPP film is placed on the carrying ring 10 below the hydraulic cylinder 95, the MOPP film is tightly attached to the vertical plate 8 on the same side, then the hydraulic cylinder 95 drives the press rod 61 connected with the hydraulic cylinder 95 to move downwards, the press rod 61 downwards presses the MOPP film through the cutting ring 67 and slides into the corresponding punched hole 11, the processed MOPP film fragments fall into the storage box 2 through the punched hole 11, the periphery of the formed hole can be fixed at the upper end edge of the punched hole 11 and the outer wall of the press rod 61 in the process, protruding burrs at the periphery of the hole are avoided, when the holes with other diameters are formed, the pin shaft 20 is pulled down, the servo motor 31 is started, the servo motor 31 rotates the fixed disc 33 through the transmission rod 32, the lifting plate 34 at the upper end of the fixed disc 33 gradually jacks up the transverse plate 91 through the fixed rod 92, the transverse plate 91 drives, the second magnet plate 96 is separated from the first magnet plate 62 connected at this time, and the buffer spring 74 applies an upward force to the cross plate 91, which cannot support the cross plate 91, when the fixed lever 92 is separated from the uppermost end of the lifting plate 34, the transverse plate 91 will fall, and the force exerted by the buffer spring 74 will be lifted, thereby slowing down the descending speed of the transverse plate 91, when the lower end of the fixing rod 92 comes into contact with the upper end of the fixing plate 33 again, the second magnet plate 96 is attracted to the first magnet plate 62 immediately below, thereby connecting the piston rod of the hydraulic cylinder 95 to the pressing rod 61 immediately below, then the transverse plate 91 will repeat the above steps to continue moving, when the pressure lever 61 with proper diameter moves under the hydraulic cylinder 95, the servo motor 31 is closed, the punching operation is continued, after the operation is finished, the rotating plate 16 is opened by the handle 17, and the MOPP film fragments in the storage box 2 are collected.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the embodiments and descriptions given above are only illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The MOPP film punching machine comprises a seat plate (1) and is characterized in that the middle of the upper end of the seat plate (1) is fixedly connected with a storage box (2), a driving mechanism (3) is installed inside the storage box (2), the driving mechanism (3) is connected with a mounting ring (4) and a carrying ring (10), the mounting ring (4) is located right above the carrying ring (10), the diameter of the mounting ring (4) is the same as that of the carrying ring (10), a plurality of mounting holes (5) are formed in the mounting ring (4) in a penetrating mode, the mounting holes (5) are distributed on the mounting ring (4) in an annular mode, the distance between every two adjacent mounting holes (5) is the same, a hole opening mechanism (6) is installed inside each mounting hole (5), buffering mechanisms (7) are installed on two sides of each mounting ring (4), a plurality of punched holes (11) are formed in the carrying ring (10), the number of punched holes (11) formed in the bearing ring (10) is equal to that of mounting holes (5) formed in the mounting ring (4) in a one-to-one correspondence mode, a rubber pad (14) is fixedly connected to the edge of the upper end of the storage box (2), the upper end of the rubber pad (14) is in contact with the lower end of the bearing ring (10), vertical plates (8) are fixedly connected to two sides of the upper end of the seat plate (1), a pressing mechanism (9) is mounted between the upper ends of the vertical plates (8) in a common mode, and sliding grooves (18) are formed in the upper end of one side, close to each other, of the vertical plates (8).

2. The MOPP film punch of claim 1, wherein: actuating mechanism (3) includes servo motor (31), output of servo motor (31) is up and fixedly connected with transfer line (32) on the output, transfer line (32) run through and fixed connection is on collar (4) and year ring (10), transfer line (32) and collar (4) and year ring (10) are located same central line, the upper end fixedly connected with fixed disk (33) of transfer line (32), fixed disk (33) and transfer line (32) are located same central line, fixed disk (33) are located the top of collar (4), the equal two lifter plates (34) of fixedly connected with in upper end front and back portion of fixed disk (33), two lifter plates (34) all are the arc structure, two the thickness of lifter plate (34) increases gradually along clockwise rotation's direction, two lifter plates (34) are located same annular motion orbit, the length of each lifting plate (34) is equal to the distance between the centers of two adjacent mounting holes (5).

3. The MOPP film punch of claim 1, wherein: the punching mechanism (6) comprises a pressing rod (61), the pressing rod (61) penetrates through and is connected to the inside of the mounting hole (5) in a sliding mode, a first magnet disc (62) is fixedly connected to the upper end of the pressing rod (61), a cutting ring (67) is fixedly connected to the lower end of the pressing rod (61), the cutting ring (67) is identical to the diameter of the pressing rod (61) and is matched with a corresponding punched hole (11), a first fixing ring (63) and a second fixing ring (64) are fixedly connected to the pressing rod (61) on the circumferential outer wall below the mounting ring (4) in a sleeved mode, the first fixing ring (63) is located above the second fixing ring (64) on the same side, the first fixing ring (63) is detachably connected to the mounting ring (4) through a mounting bolt (65), and a first compression spring (66) is sleeved on the pressing rod (61) between the first fixing ring (63) and the second fixing ring (64) on the same side, the upper end of the first compression spring (66) is fixedly connected to the lower end of the first fixing ring (63) on the same side, and the lower end of the first compression spring (66) is fixedly connected to the upper end of the second fixing ring (64) on the same side.

4. The MOPP film punch of claim 1, wherein: the pressing mechanism (9) comprises a transverse plate (91), a fixing rod (92) is fixedly connected to the lower end of the transverse plate (91), the fixing rod (92) is of an arc-shaped structure, the lower end of the fixing rod (92) abuts against the upper end of a fixing plate (33) of the driving mechanism (3) and is located between two lifting plates (34) of the driving mechanism (3), first through holes (93) are vertically formed in two sides of the transverse plate (91) in a penetrating mode, second through holes (94) are vertically formed in one side of the transverse plate (91) in a penetrating mode, the second through holes (94) are located between the first through holes (93) and the middle portion of the transverse plate (91) on the same side, a hydraulic cylinder (95) is fixedly connected to the upper end of the second through holes (94), a piston rod of the hydraulic cylinder (95) faces downwards and is connected to the inside of the second through holes (94) in a sliding mode, and a second magnet, the lower end of the second magnet disc (96) is magnetically connected to the upper end of the first magnet disc (62) of the hole opening mechanism (6) right below, sliding blocks (97) are fixedly connected to the two sides of the transverse plate (91), and the sliding blocks (97) are connected to the inner portions of the sliding grooves (18) formed in the vertical plates (8) on the same side in a sliding mode.

5. The MOPP film punch of claim 1, wherein: the buffer mechanisms (7) respectively comprise a limiting block (71), the limiting blocks (71) are respectively positioned on the same horizontal plane with the mounting ring (4), a limiting groove (72) is respectively formed in one side, close to the middle part of the seat plate (1), of each limiting block (71), the limiting blocks (71) are respectively clamped on the mounting ring (4) through the limiting grooves (72), one side, far away from the middle part of the seat plate (1), of each limiting block (71) is fixedly connected onto a vertical plate (8) on the same side, a positioning rod (73) is respectively and fixedly connected to the middle part of the upper end of each limiting block (71), the upper ends of the positioning rods (73) are respectively penetrated and slidably connected into first through holes (93) of the pressing mechanisms (9), buffer springs (74) are respectively sleeved on the outer walls of the positioning rods (73), the upper ends of the buffer springs (74) are respectively and fixedly connected to the lower ends of transverse plates (91, the lower ends of the buffer springs (74) are fixedly connected to the limiting blocks (71) on the same side.

6. The MOPP film punch of claim 1, wherein: the upper ends of the two sides, far away from each other, of the vertical plates (8) are provided with pin holes (19), the pin holes (19) are communicated with the lower ends of the inner parts of the sliding grooves (18) formed in the vertical plates (8), pin shafts (20) are inserted into the pin holes (19), and the pin shafts (20) penetrate through the pin holes (19) and are inserted into the sliding blocks (97) of the pressing mechanisms (9).

7. The MOPP film punch of claim 1, wherein: the outer wall of the upper end of the storage box (2) is sleeved with a bearing (12) fixedly connected with, the outer wall of the outer ring of the bearing (12) is fixedly connected with a fixed pipe (13), and the upper end of the fixed pipe (13) is fixedly connected to the lower end of the carrying ring (10).

8. The MOPP film punch of claim 1, wherein: the front of the storage box (2) is provided with a discharge hole, the lower end of the discharge hole is hinged with a rotating plate (16) through a hinge (15), the rotating plate (16) is clamped inside the discharge hole formed in the front of the storage box (2), and the upper end of the front of the rotating plate (16) is fixedly connected with a handle (17).