CN111745022A

CN111745022A - Computer machine case pressure equipment with protection machanism

Info

Publication number: CN111745022A
Application number: CN202010669222.8A
Authority: CN
Inventors: 潘承恩
Original assignee: Telelink Hangzhou Information Technology Service Co ltd
Current assignee: Telelink Hangzhou Information Technology Service Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-10-09
Anticipated expiration: 2040-07-13
Also published as: CN111745022B

Abstract

The invention discloses computer case shape pressing equipment with a protection mechanism, which comprises a punching machine body, wherein two sides of the punching machine body are provided with a flywheel and a speed reducer, a placing table is arranged in the middle of the punching machine body, a punch is arranged on the punching machine body and positioned above the placing table, the punch is movably fixed with the punching machine body through a lifting column, the lower surface of the punch is provided with a guide column, two sides of the placing table are provided with guide holes, the placing table is provided with a buffer structure at two of the guide holes, and a positioning mechanism is arranged at a corner of the placing table. According to the computer case shape pressing equipment with the protection mechanism, the metal plate of the case can enter the placing table through the matching of the positioning mechanism and the material pushing structure, and the positioning is carried out through the positioning mechanism, so that the whole computer case shape pressing equipment is quicker and more convenient, the precision is improved, and the safety performance is better.

Description

Computer machine case pressure equipment with protection machanism

Technical Field

The invention relates to the field of pressing equipment, in particular to computer case pressing equipment with a protection mechanism.

Background

The stamping forming is mainly for the panel, through the mould, can make the blanking, punch a hole, the shaping, deep-drawing, the finishing, the essence is towards, the plastic, riveting and extruded article etc. wide application in each field. For example, a great number of accessories such as switch sockets, cups, cupboards, dishes, computer cases, missile planes and the like can be produced by a punch through dies, the case serves as one part of computer accessories and has the main function of placing and fixing the computer accessories to play a role in supporting and protecting, and the computer cases are usually subjected to punch forming so as to obtain the required shape or structure. But there is certain drawback in the punching press of current computer machine case in the punching press, at first, the impact force is great when the punching press head punching press is to the workstation, crush the work piece easily or take place the damage to mechanical equipment, influence the use of equipment, the metal sheet of machine case is put into on the workstation in addition, it is inconvenient to fix a position, need the manual work to fix a position the metal sheet, it is more troublesome, during stamping forming in addition, the staff is hindered easily to the punching press when putting into the material, the emergence accident, the staff stands in addition and can influence the operation because of the height difference on ground.

Disclosure of Invention

The invention mainly aims to provide computer case shape pressing equipment with a protection mechanism, which can effectively solve the problems in the background technology.

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

the utility model provides a computer machine case pressure equipment that appears with protection machanism, includes the punching machine body, the both sides of punching machine body are provided with flywheel and reduction gear, the platform is placed to the inside placing of centre of punching machine body, the top that is located the platform of placing on the punching machine body is provided with the drift, the drift is fixed with punching machine body activity through the lift post, the lower surface of drift is provided with the guide post, the guiding hole that the both sides of placing the platform were provided with, it is provided with buffer structure to place the bench and lie in wherein two guiding hole departments, the corner of placing the platform is provided with positioning mechanism, the front end of placing the platform is provided with material pushing structure, material pushing structure runs through the inside of placing the platform, it is provided with the adjustment footboard that can accomodate to lie in the below.

Preferably, the buffer structure comprises a connecting pin, a sliding groove, a first telescopic spring, a second telescopic spring, a middle rod, a fixed top plate, a connecting rod, a sliding block, a nut seat and a fixed bottom plate, a fixed bottom plate is arranged in the placing table below the guide hole, a fixed top plate is arranged above the fixed bottom plate, the fixed top plate and the fixed bottom plate are connected through four connecting rods, wherein, two nut seats are arranged between the two connecting rods, an intermediate rod is arranged between the two nut seats, the two ends of the middle rod are provided with first extension springs, the inner part of the placing table is provided with sliding grooves at the two sides of the middle rod, the inside that the both ends of intermediate lever are located the sliding tray is provided with the sliding block, the inside that is located the sliding block department of placing the platform is provided with second expanding spring.

Preferably, the middle of the middle rod is provided with a limiting block, the nut seat moves along the middle rod in a relative or opposite direction, the sliding block moves up and down along the sliding groove, the fixed top plate moves along the vertical direction, and the connecting rod is movably connected with the fixed top plate, the fixed bottom plate and the nut seat through a connecting pin.

Preferably, positioning mechanism includes first fixed block, second fixed block, first locating pin, second locating pin, fixed stop, third expanding spring, first limiting plate, spliced pole, adjustable baffle, second limiting plate, fourth expanding spring and pull rod, four corners of placing the platform are provided with first fixed block, second fixed block, first locating pin and second locating pin respectively, the inside of first fixed block is provided with the spliced pole, be provided with first limiting plate and fixed stop on the spliced pole, it is provided with the third expanding spring to lie in on the spliced pole between first limiting plate and the fixed stop, the inside of second fixed block is provided with the pull rod, the inside that lies in the second fixed block on the pull rod is provided with second limiting plate and fourth expanding spring, the one end of pull rod is provided with adjustable baffle.

Preferably, be provided with the direction swash plate on the first limiting plate, one side that the inside that places the platform is located the second fixed block is provided with the preformed groove, the spliced pole removes along the inside of first fixed block, the pull rod removes along the inside of second fixed block.

Preferably, the adjusting pedal comprises a guide groove, a containing cavity, a guide pin, a moving platform, a lifting plate, a rotating handle, a threaded column, a moving wheel, a lifting block, a rotating column, a bearing, a first gear and a second gear, the bottom end of the punch body is provided with the containing cavity, the guide grooves are arranged at two sides of the containing cavity in the punch body, the moving platform is arranged in the containing cavity, the guide pin matched with the guide groove is arranged on the moving platform, the moving wheel is arranged below the moving platform, the lifting block is arranged in the moving platform, the first gear and the second gear are arranged in the lifting block, the bearing is arranged below the first gear and the second gear in the lifting block, the rotating column is arranged in the middle of the first gear, and two sides of the lifting block are connected with the threaded column through threads at the second gear, the top of mobile station platform is provided with the lifter plate, the inside of lifter plate is located the end that rotates the post and is provided with the twist grip, first gear and second gear mesh mutually, the centre of second gear passes through screw thread transmission with the screw thread post, elevator, rotation post, lifter plate wholly reciprocate along the screw thread post.

Preferably, the pushing structure comprises a chute, a first moving groove, a fixing rod, a moving cavity, a fifth telescopic spring, a blocking block, a sixth telescopic spring, a pushing block, a second moving groove, a pushing rod, a limiting ring and a gasket, the front end of the placing table is provided with the first moving groove and the second moving groove, the limiting ring is arranged inside the second moving groove, the pushing rod is arranged inside the first moving groove and the second moving groove, the gasket is arranged in the middle of the pushing rod, the pushing block is arranged inside the second moving groove at one end of the pushing rod, the sixth telescopic spring is arranged on one side of the pushing rod inside the second moving groove, the chute is arranged above the first moving groove on the placing table, the moving cavity is arranged above the first moving groove on the placing table, the fixing rod is arranged inside the moving cavity, and the blocking block is arranged at one end of the fixing rod, a fifth telescopic spring is arranged in the moving cavity on the fixed rod, a chute is arranged on the other side of the first moving groove on the placing table, and the push rod moves along the second moving groove and the first moving groove.

Preferably, a power supply box is arranged on one side of the punching machine body below the speed reducer, a control button is arranged on the front end of the punching machine body above the adjusting pedal, and a movable foot switch is arranged on one side of the adjusting pedal.

Preferably, the upper end of the punching machine body is provided with a lifting column, and one side of the punching machine body is arranged above the placing table and is provided with an illuminating lamp.

Preferably, the punch is aligned with the placing table, the guide post is aligned with the guide hole, and the punch is moved in a vertical direction.

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

1. the buffer structure is arranged, the guide post penetrates through the guide hole and then enters the buffer structure, and the fixed top plate descends to enable the first telescopic spring and the second telescopic spring to buffer the fixed top plate on the middle rod, so that the impact between the punch and the placing table is reduced, the plate is prevented from being damaged, and the service life of the equipment is prolonged;

2. the metal plate of the chassis can be positioned through the first fixing block, the second fixing block, the first positioning pin and the second positioning pin of the positioning mechanism, and the positioning mode is more convenient, so that the machining precision is higher, and the metal plate can be conveniently and quickly disassembled;

3. the lifting device is provided with the adjusting pedal, the first gear is meshed with the second gear by rotating the rotating handle, so that the second gear enables the lifting block to move up and down along the threaded column through thread transmission, and the lifting plate moves conveniently, and the lifting device can be suitable for people with different heights to stand on the lifting plate to operate a workbench;

4. the metal plate of the case can be pushed into the placing table through the pushing structure, and then the push rod is pushed back to the outside through the sixth telescopic spring, so that the hands of workers are prevented from extending into the equipment, and the safety is realized;

5. the equipment can be matched with a pushing structure through the positioning mechanism, so that the metal plate of the case can enter the inside of the placing table, and the case can be positioned through the positioning mechanism, so that the whole case is more rapid and convenient, the precision is improved, and the safety performance is better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a computer case profiling apparatus with a protection mechanism according to the present invention;

FIG. 2 is a front view of a computer case profiling apparatus with a guard mechanism of the present invention;

FIG. 3 is a top view of a placement table of a computer case profiling apparatus with a guard mechanism of the present invention;

FIG. 4 is a schematic view of a buffering structure of a computer case profiling apparatus with a protection mechanism according to the present invention;

FIG. 5 is a schematic view of a positioning mechanism of a computer case profiling apparatus with a protection mechanism according to the present invention;

FIG. 6 is a schematic view of an adjustment pedal of a computer case profiling apparatus with a guard mechanism according to the present invention;

FIG. 7 is a schematic diagram of a material pushing structure of a computer case shape pressing device with a protection mechanism according to the present invention.

In the figure: 1. a punch body; 2. a flywheel; 3. a speed reducer; 4. a power supply box; 5. a buffer structure; 501. a connecting pin; 502. a sliding groove; 503. a first extension spring; 504. a second extension spring; 505. an intermediate lever; 506. fixing a top plate; 507. a connecting rod; 508. a slider; 509. a nut seat; 510. fixing the bottom plate; 6. a positioning mechanism; 601. a first fixed block; 602. a second fixed block; 603. a first positioning pin; 604. a second positioning pin; 605. fixing a baffle plate; 606. a third extension spring; 607. a first limit plate; 608. connecting columns; 609. a movable baffle; 610. a second limiting plate; 611. a fourth extension spring; 612. a pull rod; 7. an illuminating lamp; 8. a control button; 9. adjusting the pedal; 901. a guide groove; 902. a receiving cavity; 903. a guide pin; 904. a mobile station; 905. a lifting plate; 906. rotating the handle; 907. a threaded post; 908. a moving wheel; 909. a lifting block; 910. rotating the column; 911. a bearing; 912. a first gear; 913. a second gear; 10. a display; 11. a lifting column; 12. a guide post; 13. a punch; 14. a guide hole; 15. a placing table; 16. a foot switch; 17. a material pushing structure; 1701. a chute; 1702. a first moving slot; 1703. fixing the rod; 1704. a moving chamber; 1705. a fifth extension spring; 1706. a blocking block; 1707. a sixth extension spring; 1708. a pushing block; 1709. a second moving slot; 1710. a push rod; 1711. a limiting ring; 1712. a gasket.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-7, a computer case profiling apparatus with a protection mechanism includes a stamping machine body 1, wherein two sides of the stamping machine body 1 are provided with a flywheel 2 and a reducer 3, a placing table 15 is arranged in the middle of the stamping machine body 1, a punch 13 is arranged on the stamping machine body 1 above the placing table 15, the punch 13 is movably fixed with the stamping machine body 1 through a lifting column 11, a guide column 12 is arranged on the lower surface of the punch 13, guide holes 14 are arranged on two sides of the placing table 15, a buffer structure 5 is arranged on the placing table 15 at two of the guide holes 14, a positioning mechanism 6 is arranged at a corner of the placing table 15, a material pushing structure 17 is arranged at the front end of the placing table 15, the material pushing structure 17 penetrates through the inside of the placing table 15, and a foldable adjusting pedal 9 is arranged on the stamping machine body 1 below the placing table 15;

the buffer structure 5 comprises a connecting pin 501, a sliding groove 502, a first telescopic spring 503, a second telescopic spring 504, an intermediate rod 505, a fixed top plate 506, a connecting rod 507, a sliding block 508, a nut seat 509 and a fixed bottom plate 510, wherein the fixed bottom plate 510 is arranged in the placing table 15 below the guide hole 14, the fixed top plate 506 is arranged above the fixed bottom plate 510, the fixed top plate 506 and the fixed bottom plate 510 are connected through four connecting rods 507, nut seats 509 are arranged between the two connecting rods 507, the number of the nut seats 509 is two, an intermediate rod 505 is arranged between the nut seats 509, first telescopic springs 503 are arranged at two ends of the intermediate rod 505, sliding grooves 502 are arranged at two sides of the intermediate rod 505 in the placing table 15, sliding blocks 508 are arranged at two ends of the intermediate rod 505 in the sliding grooves 502, and second telescopic springs 504 are arranged at the sliding blocks 508 in the placing table 15; a limit block is arranged in the middle of the intermediate rod 505, the nut seat 509 moves along the intermediate rod 505 in opposite or opposite directions, the sliding block 508 moves up and down along the sliding groove 502, the fixed top plate 506 moves along the vertical direction, and the connecting rod 507 is movably connected with the fixed top plate 506, the fixed bottom plate 510 and the nut seat 509 through the connecting pin 501; the positioning mechanism 6 comprises a first fixed block 601, a second fixed block 602, a first positioning pin 603, a second positioning pin 604, a fixed baffle 605, a third telescopic spring 606, a first limit plate 607, a connecting column 608, a movable baffle 609, a second limit plate 610, a fourth telescopic spring 611 and a pull rod 612, a first fixed block 601, a second fixed block 602, a first positioning pin 603 and a second positioning pin 604 are respectively arranged at four corners of the placing table 15, a connecting column 608 is arranged inside the first fixed block 601, a first limiting plate 607 and a fixed baffle 605 are arranged on the connecting column 608, a third telescopic spring 606 is arranged between the first limiting plate 607 and the fixed baffle 605 on the connecting column 608, a pull rod 612 is arranged inside the second fixed block 602, a second limiting plate 610 and a fourth telescopic spring 611 are arranged inside the second fixed block 602 on the pull rod 612, and a movable baffle 609 is arranged at one end of the pull rod 612; a guide inclined plate is arranged on the first limiting plate 607, a reserved groove is arranged in the placing table 15 at one side of the second fixed block 602, the connecting column 608 moves along the inside of the first fixed block 601, and the pull rod 612 moves along the inside of the second fixed block 602; the adjusting pedal 9 comprises a guide groove 901, a receiving cavity 902, a guide pin 903, a moving platform 904, a lifting plate 905, a rotating handle 906, a threaded column 907, a moving wheel 908, a lifting block 909, a rotating column 910, a bearing 911, a first gear 912 and a second gear 913, wherein the receiving cavity 902 is arranged at the bottom end of the punch body 1, the guide groove 901 is arranged at two sides of the receiving cavity 902 in the punch body 1, the moving platform 904 is arranged in the receiving cavity 902, the guide pin 903 matched with the guide groove 901 is arranged on the moving platform 904, the moving wheel 908 is arranged below the moving platform 904, the lifting block 909 is arranged in the moving platform 904, the first gear 912 and the second gear 913 are arranged in the lifting block 909, the bearing 911 is arranged below the first gear 912 and the second gear 913 in the lifting block 909, the rotating column 910 is arranged in the middle of the first gear 912, the two sides of the lifting block 909 are positioned at the second gear 913 and are connected with the threaded column 907 through threads, a lifting plate 905 is arranged above the mobile platform 904, a rotating handle 906 is arranged at the tail end of the rotating column 910 in the lifting plate 905, the first gear 912 is meshed with the second gear 913, the middle of the second gear 913 and the threaded column 907 are in threaded transmission, and the lifting block 909, the rotating column 910 and the lifting plate 905 integrally move up and down along the threaded column 907; the material pushing structure 17 comprises a chute 1701, a first moving groove 1702, a fixing rod 1703, a moving cavity 1704, a fifth expansion spring 1705, a blocking block 1706, a sixth expansion spring 1707, a pushing block 1708, a second moving groove 1709, a push rod 1710, a limit ring 1711 and a gasket 1712, wherein the front end of the placing table 15 is provided with the first moving groove 1702 and the second moving groove 1709, the inside of the second moving groove 1709 is provided with the limit ring 1711, the inside of the first moving groove 1702 and the second moving groove 1709 is provided with the push rod 1710, the middle of the push rod 1710 is provided with the gasket 1712, one end of the push rod 1710 is positioned inside the second moving groove 1709 and is provided with the pushing block 1708, the inside of the second moving groove 1709 is positioned on one side of the push rod 1707, the chute 1701 is arranged above the first moving groove 1702 on the placing table 15, the moving cavity 1701 is arranged above the first moving groove 1702 on the placing table 15, the fixing rod 1703 is arranged inside the moving cavity 1704, a blocking block 1706 is arranged at one end of the fixing rod 1703, a fifth expansion spring 1705 is arranged inside the moving cavity 1704 on the fixing rod 1703, a chute 1701 is arranged at the other side of the first moving groove 1702 on the placing table 15, and the push rod 1710 moves along the second moving groove 1709 and the inside of the first moving groove 1702; a power supply box 4 is arranged on one side of the punching machine body 1 below the speed reducer 3, a control button 8 is arranged at the front end of the punching machine body 1 above the adjusting pedal 9, and a movable foot switch 16 is arranged on one side of the adjusting pedal 9; the upper end of the punching machine body 1 is provided with a lifting column 11, and one side of the punching machine body 1 is provided with a lighting lamp 7 above a placing table 15; the punch 13 is aligned with the placing table 15, the guide post 12 is aligned with the guide hole 14, and the punch 13 moves in the vertical direction.

It should be noted that, the present invention is a computer case profiling apparatus with a protection mechanism, when in use, the guide pin 903 of the mobile station 904 is pulled out along the guide slot 901 in the receiving cavity 902, the mobile station 904 is moved by the mobile wheel 908, after being pulled out, the rotating handle 906 in the lifting plate 905 is rotated, so that the rotating column 910 drives the first gear 912 to rotate, so that the first gear 912 is engaged with the second gear 913, at this time, the second gear 913 and the internal threaded column 907 are in threaded transmission, so that the lifting block 909, the rotating column 910 and the lifting plate 905 move upward together, so that the lifting plate 905 of the adjustment pedal 9 can stand on workers with different heights, the metal plate of the case to be processed is put aside, at this time, the apparatus can be opened, at this time, the control button 8 is used to control the operation of the speed reducer 3 and the flywheel 2, so that the plunger 13 of the apparatus can move in the vertical direction, and the metal plate is placed inside the placing table 15, specifically, the metal plate is inserted into the first moving groove 1702 along the inclined groove 1701 of the first moving groove 1702, and then the metal plate enters the placing table 15, and then the edge of the metal plate is abutted by the push rod 1710, and at this time, the push rod 1710 can be manually pushed into the first moving groove 1702, and after the metal plate is pushed in, the push rod 1710 contacts the blocking block 1706 on the fixing rod 1703, so that the blocking block 1706 moves along the inside of the moving cavity 1704, when the metal plate is pushed to the innermost side, and then the push rod 1710 is released, and under the action of the sixth expansion spring 1707, the push block 1708 is pushed to move to the position of the limit ring 1711 along the inside of the second moving groove 1709, so that the push rod 1710 is drawn out of the first moving groove 1702, and the blocking block 1706 makes the blocking block 1706 block 1702 block under the action of the fifth expansion spring 1705, when the metal plate is pushed into the placing table 15, the metal plate is positioned by the positioning mechanism 6, the metal plate is pushed to the opposite side by the guide plate on the connecting column 608, the connecting column 608 is moved along the inside of the first fixing block 601, the metal plate is pushed into the placing table 15, the metal plate is clamped and positioned by the first positioning pin 603, the second positioning pin 604 and the second fixing block 602, the metal plate is fixed, the punch 13 is controlled to move downwards by the lifting column 11, the punch 13 is punched with the placing table 15, the metal plate is punched, the guide hole 14 and the guide column 12 are aligned during punching, the guide column 12 is in contact with the fixing top plate 506, the fixing top plate 506 moves downwards, the connecting rod 507 between the fixing top plate 506 and the fixing bottom plate 510 is deformed, the nut seat 509 is moved to both sides of the middle rod 505, and the sliding blocks 508 at both ends of the middle rod 505 move along the second expansion spring 504 inside the sliding groove 502, and make the impact of drift 13 to placing the platform 15 diminish under the effect of first expanding spring 503 and second expanding spring 504, after the punching press is accomplished, fixed roof 506 of buffer structure 5 gets back to original position, take out the finished piece can, spliced pole 608 removes under the effect of second locating pin 604 this moment, adjustable fender 609 removes under the effect of fourth expanding spring 611, thereby can centre gripping next metal sheet, after processing is accomplished, the lifter plate 905 of adjustment footboard 9 descends, receive in accomodating the chamber 902 with moving platform 904, it is more convenient.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a computer machine case pressure equipment with protection machanism which characterized in that: the punching machine comprises a punching machine body (1), wherein a flywheel (2) and a speed reducer (3) are arranged on two sides of the punching machine body (1), a placing table (15) is arranged in the middle of the punching machine body (1), a punch (13) is arranged on the punching machine body (1) above the placing table (15), the punch (13) is movably fixed with the punching machine body (1) through a lifting column (11), a guide column (12) is arranged on the lower surface of the punch (13), guide holes (14) are arranged on two sides of the placing table (15), a buffer structure (5) is arranged on the placing table (15) at two of the guide holes (14), a positioning mechanism (6) is arranged at the corner of the placing table (15), a material pushing structure (17) is arranged at the front end of the placing table (15), and the material pushing structure (17) penetrates through the inside of the placing table (15), and a foldable adjusting pedal (9) is arranged below the placing table (15) on the punch body (1).

2. The computer case profiling device with the protection mechanism according to claim 1, wherein: the buffer structure (5) comprises a connecting pin (501), a sliding groove (502), a first telescopic spring (503), a second telescopic spring (504), an intermediate rod (505), a fixed top plate (506), a connecting rod (507), a sliding block (508), a nut seat (509) and a fixed bottom plate (510), wherein the fixed bottom plate (510) is arranged in the placing table (15) and is positioned below the guide hole (14), the fixed top plate (506) is arranged above the fixed bottom plate (510), the fixed top plate (506) and the fixed bottom plate (510) are connected through four connecting rods (507), the nut seat (509) is arranged between the two connecting rods (507), the number of the nut seats (509) is two, the intermediate rod (505) is arranged between the nut seats (509), and the first telescopic spring (503) is arranged at two ends of the intermediate rod (505), the two sides of the middle rod (505) in the placing table (15) are provided with sliding grooves (502), the two ends of the middle rod (505) in the sliding grooves (502) are provided with sliding blocks (508), and the second telescopic spring (504) is arranged in the sliding blocks (508) in the placing table (15).

3. The computer case profiling device with the protection mechanism according to claim 2, wherein: the middle of the middle rod (505) is provided with a limiting block, the nut seat (509) moves along the middle rod (505) in the opposite direction or in the opposite direction, the sliding block (508) moves up and down along the sliding groove (502), the fixed top plate (506) moves along the vertical direction, and the connecting rod (507) is movably connected with the fixed top plate (506), the fixed bottom plate (510) and the nut seat (509) through a connecting pin (501).

4. The computer case profiling device with the protection mechanism according to claim 1, wherein: the positioning mechanism (6) comprises a first fixed block (601), a second fixed block (602), a first positioning pin (603), a second positioning pin (604), a fixed baffle (605), a third telescopic spring (606), a first limiting plate (607), a connecting column (608), a movable baffle (609), a second limiting plate (610), a fourth telescopic spring (611) and a pull rod (612), wherein the four corners of the placing table (15) are respectively provided with the first fixed block (601), the second fixed block (602), the first positioning pin (603) and the second positioning pin (604), the connecting column (608) is arranged inside the first fixed block (601), the first limiting plate (607) and the fixed baffle (605) are arranged on the connecting column (608), the third telescopic spring (606) is arranged between the first limiting plate (607) and the fixed baffle (605) on the connecting column (608), the inside of second fixed block (602) is provided with pull rod (612), the inside that lies in second fixed block (602) on pull rod (612) is provided with second limiting plate (610) and fourth expanding spring (611), the one end of pull rod (612) is provided with adjustable fender (609).

5. The computer case profiling device with the protection mechanism according to claim 4, wherein: be provided with the direction swash plate on first limiting plate (607), the inside that is located second fixed block (602) of placing platform (15) is provided with the reservation groove, spliced pole (608) are along the inside removal of first fixed block (601), pull rod (612) are along the inside removal of second fixed block (602).

6. The computer case profiling device with the protection mechanism according to claim 1, wherein: the adjusting pedal (9) comprises a guide groove (901), a containing cavity (902), a guide pin (903), a movable platform (904), a lifting plate (905), a rotating handle (906), a threaded column (907), a moving wheel (908), a lifting block (909), a rotating column (910), a bearing (911), a first gear (912) and a second gear (913), wherein the containing cavity (902) is arranged at the bottom end of the punch body (1), the guide groove (901) is formed in the punch body (1) and positioned at two sides of the containing cavity (902), the movable platform (904) is arranged in the containing cavity (902), the guide pin (903) matched with the guide groove (901) is arranged on the movable platform (904), the moving wheel (908) is arranged below the movable platform (904), the lifting block (909) is arranged in the movable platform (904), a first gear (912) and a second gear (913) are arranged in the lifting block (909), a bearing (911) is arranged in the lifting block (909) and is positioned below the first gear (912) and the second gear (913), a rotating column (910) is arranged in the middle of the first gear (912), two sides of the lifting block (909) are positioned at the second gear (913) and are connected with the threaded column (907) through threads, a lifting plate (905) is arranged above the mobile station (904), a rotating handle (906) is arranged at the tail end of a rotating column (910) in the lifting plate (905), the first gear (912) is meshed with a second gear (913), the middle of the second gear (913) is in threaded transmission with a threaded column (907), the lifting block (909), the rotating column (910) and the lifting plate (905) integrally move up and down along the threaded column (907).

7. The computer case profiling device with the protection mechanism according to claim 1, wherein: the material pushing structure (17) comprises a chute (1701), a first moving groove (1702), a fixing rod (1703), a moving cavity (1704), a fifth telescopic spring (1705), a blocking block (1706), a sixth telescopic spring (1707), a pushing block (1708), a second moving groove (1709), a push rod (1710), a limiting ring (1711) and a gasket (1712), wherein the front end of the placing table (15) is provided with the first moving groove (1702) and the second moving groove (1709), the limiting ring (1711) is arranged inside the second moving groove (1709), the push rod (1710) is arranged inside the first moving groove (1702) and the second moving groove (1709), the gasket (1712) is arranged in the middle of the push rod (1710), the pushing block (1708) is arranged inside the second moving groove (1709) at one end of the push rod (1710), the sixth telescopic spring (1707) is arranged inside the second moving groove (1709), an inclined groove 1701 is formed in the placing table (15) above the first moving groove (1702), a moving cavity 1704 is formed in the placing table (15) above the first moving groove (1702), a fixing rod 1703 is arranged inside the moving cavity 1704, a blocking block 1706 is arranged at one end of the fixing rod 1703, a fifth expansion spring 1705 is arranged inside the moving cavity 1704 in the fixing rod 1703, an inclined groove 1701 is formed in the other side of the first moving groove (1702) in the placing table (15), and the push rod 1710 moves along the second moving groove 1709 and the first moving groove 1702.

8. The computer case profiling device with the protection mechanism according to claim 1, wherein: the punching machine is characterized in that a power supply box (4) is arranged on one side of the punching machine body (1) below the speed reducer (3), a control button (8) is arranged on the front end of the punching machine body (1) above the adjusting pedal (9), and a movable foot switch (16) is arranged on one side of the adjusting pedal (9).

9. The computer case profiling device with the protection mechanism according to claim 1, wherein: the stamping machine is characterized in that a lifting column (11) is arranged at the upper end of the stamping machine body (1), and an illuminating lamp (7) is arranged on one side of the stamping machine body (1) above the placing table (15).

10. The computer case profiling device with the protection mechanism according to claim 1, wherein: the punch (13) is aligned with a placing table (15), the guide post (12) is aligned with a guide hole (14), and the punch (13) moves in the vertical direction.