CN210651027U - Punch press for ventilating floor - Google Patents

Abstract

The utility model relates to the technical field of machining auxiliary devices, in particular to a punching machine for a ventilation floor, which does not need to carry and position plates manually, saves manpower, improves working efficiency, reduces potential safety hazards and improves use reliability; including the operation panel, four groups pillars, the mounting panel, the roof, the cylinder punches a hole, two sets of piston rods, the board punches a hole, preceding backup pad, back backup pad, multiunit conveyor and multiunit strutting arrangement, the rear end of preceding backup pad and the front end of back backup pad are provided with preceding spout and back spout respectively, conveyor all includes first preceding slider, first back slider, the connecting axle, the installation piece, supporting spring group, first ball bearing and conveying roller, strutting arrangement includes slider before the second, slider behind the second, the connecting plate, preceding fixed plate, the after-fixing board, preceding limiting plate, back limiting plate, threaded tube before two sets of, threaded rod before two sets of, threaded tube after two sets of, two sets of threaded rod after two sets of, two sets of second ball bearing and two sets of third ball bearing.

Description

Punch press for ventilating floor

Technical Field

The utility model relates to a technical field of machining auxiliary device especially relates to a punch press for ventilated floor.

Background

As is well known, a ventilation floor is a place where lamps used in computer rooms and network communication rooms have static electricity and ventilation requirements, and a punch press used for the ventilation floor is an auxiliary device for punching a board in the production process of the ventilation floor, and is widely used in the field of machining; the existing punching machine for the ventilation floor comprises an operation table, four groups of pillars, a mounting plate, a top plate and a punching cylinder, wherein the left front end, the right front end, the left rear end and the right rear end of the mounting plate are respectively provided with through holes which are communicated up and down, the top ends of the four groups of pillars respectively penetrate through the four groups of through holes to the upper part of the mounting plate from the bottom end of the mounting plate and are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the top plate, the bottom ends of the four groups of pillars are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the operation table, the punching cylinder is arranged at the top end of the top plate, two groups of piston rods are arranged at the output end of the bottom of the punching cylinder, the bottom ends of the two groups of piston rods; when the existing punching machine for the ventilation floor is used, plates are placed on a plurality of groups of supporting cross beams, the plates are positioned, then two groups of piston rods are driven to move downwards by the punching cylinders, the two groups of punching cylinders drive the mounting plate and the punching plate to punch downwards, and the plates are punched; the existing punching machine for the ventilation floor is found in use, the existing punching machine needs to carry and position the plate manually, consumes manpower, is low in working efficiency, is easy to injure workers by a crashing object, has certain potential safety hazards, and is low in use reliability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a need not the manual work and carry and fix a position panel, use manpower sparingly, improve work efficiency, reduce the potential safety hazard, improve the punch press that is used for ventilation floor who uses the reliability.

The utility model discloses a punch press for ventilation floor, comprises an operation panel, four group's pillars, the mounting panel, roof and punching cylinder, the left front end of mounting panel, right front end, left rear end and right rear end all are provided with the perforation that link up from top to bottom, the top of four group's pillars is passed four group's perforation respectively to the top of mounting panel and is connected with the left front side of roof bottom respectively, right front side, left rear side and right rear side from the bottom of mounting panel, the bottom of four group's pillars is connected with the left front side of operation panel top, right front side, left rear side and right rear side respectively, punching cylinder installs in the top of roof, and be provided with two sets of piston rods at punching cylinder's bottom output, the bottom of two sets of piston rods is passed the below of roof to the roof and is connected with the top of mounting panel from the top of roof, the bottom of mounting panel is; the bottom ends of the front supporting plate and the rear supporting plate are respectively connected with the front side and the rear side of the top end of the operating platform, the front supporting plate and the rear supporting plate are arranged in parallel, the rear end of the front supporting plate and the front end of the rear supporting plate are respectively provided with a front chute and a rear chute, the plurality of groups of conveying devices respectively comprise a first front slider, a first rear slider and a connecting shaft, the first front slider and the first rear slider are respectively arranged in the front chute and the rear chute in a sliding manner, square grooves are respectively arranged at the rear end of the first front slider and the front end of the first front slider, mounting blocks and supporting spring groups are arranged in the square grooves, the top ends and the bottom ends of the supporting spring groups are respectively connected with the bottom ends of the mounting blocks and the inner bottom walls of the square grooves, mounting grooves are respectively arranged at one side opposite to the two groups of the mounting blocks, and first ball bearings are fixedly arranged in the mounting grooves, the front end and the rear end of the connecting shaft are respectively inserted into the two groups of first ball bearings, conveying rollers are arranged on the outer side of the connecting shaft, the supporting device comprises a second front sliding block, a second rear sliding block, a connecting plate, a front fixing plate, a rear fixing plate, a front limiting plate, a rear limiting plate, two groups of front threaded pipes, two groups of front threaded rods, two groups of rear threaded pipes and two groups of rear threaded rods, the second front sliding block and the second rear sliding block are respectively arranged in a front sliding chute and a rear sliding chute in a sliding manner, the front end and the rear end of the connecting plate are respectively connected with the rear end of the second front sliding block and the front end of the second rear sliding block, the bottom ends of the front fixing plate and the rear fixing plate are respectively connected with the front side and the rear side of the top end of the connecting plate, front placing grooves are respectively arranged on the left side and the right side of the rear end of the front fixing plate, the second ball bearings are fixedly arranged in the front placing grooves, and the front ends of the two groups of the front, the rear end of two sets of preceding threaded rods is connected with the left side and the right side of preceding limiting plate front end respectively, and the front end of two sets of preceding threaded rods inserts respectively and spiral shell dress to the rear end of two sets of preceding screwed pipes inside, the left side and the right side of after-fixing board front end all are provided with the back standing groove to equal fixed mounting has the third ball bearing in two sets of after-fixing inslots, the rear end of two sets of after-fixing board inserts respectively to inside two sets of third ball bearings from the front end of after-fixing board, the front end of two sets of after-fixing board rear end is connected with the left side and the right side respectively, and the rear end of two sets of after-fixing rods inserts respectively and spiral shell dress to the front end of two sets of after-fixing board inside.

The utility model discloses a punch press for ventilation floor, the bottom of connecting plate is provided with a supporting beam, a supporting beam's bottom contacts with the top of operation panel.

The utility model discloses a punch press for ventilation floor, the top place plane of conveying roller is located the planar top in connecting plate top place.

The utility model discloses a punch press for ventilated floor still includes two sets of left locating levers and two sets of right locating levers, two sets of left locating levers are all installed in the bottom left side of mounting panel to two sets of left locating levers all are located the left side of punching the board, two sets of right locating levers are all installed on the bottom right side of mounting panel to two sets of right locating levers all are located the right side of punching the board, and the right-hand member from the bottom and the slope right gradually of two sets of left locating levers, and the left end from the bottom and the slope left of two sets of right locating levers.

The utility model discloses a punch press for ventilation floor, the top of two sets of left side locating levers and the top of two sets of right side locating levers contact with the left side and the right side of the board of punching a hole respectively.

The utility model discloses a punch press for ventilation floor still includes multiunit fastening screw and multiunit fastening nut, the top of preceding backup pad and back backup pad all is provided with the bar hole, and the bar hole on the preceding backup pad communicates with each other with preceding spout, and the bar hole on the back backup pad communicates with each other with the back spout, the bottom of multiunit fastening screw all passes the bar hole and respectively with the top fixed connection of slider before the multiunit is first, slider after first, the second before slider and the second, the top of multiunit fastening screw passes through threaded connection with multiunit fastening nut respectively, multiunit fastening nut's bottom and the top of preceding backup pad and back backup pad are pasted tightly.

The utility model discloses a punch press for ventilation floor, preceding spout and back spout are the forked tail structure, slider and second back slider are the forked tail structure before first preceding slider, first back slider, second.

The utility model discloses a punch press for ventilation floor still includes the collecting box, the top of operation panel is provided with the blanking hole to be provided with the blanking fill in the bottom in blanking hole, the collecting box is located the below of operation panel to be provided with the collection mouth on the top of collecting box, collect the below that the mouth is located the blanking mouth, left front side, right front side, left rear side and the right rear side of collecting box bottom all are provided with the landing leg, and all install the gyro wheel in the bottom of four group's landing legs.

Compared with the prior art, the beneficial effects of the utility model are that: the plate is placed on a plurality of groups of conveying rollers and conveyed by the conveying rollers, the plate is pushed or pulled manually, labor is saved, the front end and the rear end of the plate are limited by the front limiting plate and the rear limiting plate, the two groups of front threaded pipes are manually and synchronously rotated, the position of the front limiting plate can be adjusted by matching the front threaded pipes with the front threaded rods, the two groups of rear threaded pipes are manually and synchronously rotated, the position of the rear limiting plate can be adjusted by matching the rear threaded pipes with the rear threaded rods, so that the distance between the limiting plate and the rear limiting plate is adjusted, the plate is positioned on the plate conveying, labor is saved, the punching plate pushes the plate to move downwards in the punching process, a supporting spring group on the conveying device is compressed, and the bottom end of the plate is contacted with the top end of the connecting plate, the supporting effect to panel when improving panel and punching a hole improves work efficiency, reduces the potential safety hazard, improves and uses the reliability.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic top view of the operation table of the present invention;

fig. 3 is a left side view schematic structure diagram of the operation table and the supporting device of the present invention;

fig. 4 is a left side view schematic structure diagram of the operation table and the conveying device of the present invention;

fig. 5 is a schematic view of the present invention at a position a enlarged partially;

in the drawings, the reference numbers: 1. an operation table; 2. a pillar; 3. mounting a plate; 4. a top plate; 5. punching a cylinder; 6. a piston rod; 7. punching a plate; 8. a front support plate; 9. a rear support plate; 10. a conveying device; 11. a support device; 12. a front chute; 13. a rear chute; 14. a first front slider; 15. a first rear slider; 16. a connecting shaft; 17. mounting blocks; 18. a support spring set; 19. a first ball bearing; 20. a second front slider; 21. a second rear slider; 22. a connecting plate; 23. a front fixing plate; 24. a rear fixing plate; 25. a front limiting plate; 26. a rear limiting plate; 27. a front threaded pipe; 28. a front threaded rod; 29. a rear threaded pipe; 30. a rear threaded rod; 31. a second ball bearing; 32. a third ball bearing; 33. a support beam; 34. a left positioning rod; 35. a right positioning rod; 36. fastening a screw rod; 37. fastening a nut; 38. a collection box; 39. a blanking hole; 40. a blanking hopper; 41. and (4) a conveying roller.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 5, the punching machine for a ventilated floor of the present invention comprises an operation table 1, four sets of pillars 2, a mounting plate 3, a top plate 4 and a punching cylinder 5, wherein the left front end, the right front end, the left rear end and the right rear end of the mounting plate 3 are all provided with through holes, the top ends of the four sets of pillars 2 respectively pass through the four sets of through holes from the bottom end of the mounting plate 3 to the upper side of the mounting plate 3 and are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the bottom end of the top plate 4, the bottom ends of the four sets of pillars 2 are respectively connected with the left front side, the right front side, the left rear side and the right rear side of the top end of the operation table 1, the punching cylinder 5 is mounted on the top end of the top plate 4, and two sets of piston rods 6 are provided at the bottom output end of the punching cylinder 5, the bottom ends of the two sets, the bottom end of the mounting plate 3 is provided with a punching plate 7; the bottom ends of the front supporting plate 8 and the rear supporting plate 9 are respectively connected with the front side and the rear side of the top end of the operating platform 1, the front supporting plate 8 and the rear supporting plate 9 are arranged in parallel, the rear end of the front supporting plate 8 and the front end of the rear supporting plate 9 are respectively provided with a front sliding groove 12 and a rear sliding groove 13, the multiple groups of conveying devices 10 respectively comprise a first front slider 14, a first rear slider 15 and a connecting shaft 16, the first front slider 14 and the first rear slider 15 are respectively arranged in the front sliding groove 12 and the rear sliding groove 13 in a sliding manner, square grooves are respectively arranged at the rear end of the first front slider 14 and the front end of the first front slider 14, mounting blocks 17 and supporting spring groups 18 are arranged in the square grooves, the top ends and the bottom ends of the supporting spring groups 18 are respectively connected with the bottom ends of the mounting blocks 17 and the inner bottom walls of the square grooves, mounting grooves are respectively arranged at one side opposite to the mounting blocks 17, first ball bearings 19 are fixedly installed in the installation grooves, the front end and the rear end of the connecting shaft 16 are respectively inserted into the two groups of first ball bearings 19, conveying rollers 41 are arranged on the outer side of the connecting shaft 16, the supporting device 11 comprises a second front sliding block 20, a second rear sliding block 21, a connecting plate 22, a front fixing plate 23, a rear fixing plate 24, a front limiting plate 25, a rear limiting plate 26, two groups of front threaded pipes 27, two groups of front threaded rods 28, two groups of rear threaded pipes 29 and two groups of rear threaded rods 30, the second front sliding block 20 and the second rear sliding block 21 are respectively arranged in the front sliding groove 12 and the rear sliding groove 13 in a sliding manner, the front end and the rear end of the connecting plate 22 are respectively connected with the rear end of the second front sliding block 20 and the front end of the second rear sliding block 21, the bottom ends of the front fixing plate 23 and the rear fixing plate 24 are respectively connected with the front side and the rear side of the top end of the connecting plate 22, and front placement grooves are respectively, second ball bearings 31 are fixedly arranged in the front placing grooves, the front ends of the two groups of front threaded pipes 27 are respectively inserted into the two groups of second ball bearings 31 from the rear ends of the front fixing plates 23, the rear ends of the two groups of front threaded rods 28 are respectively connected with the left side and the right side of the front end of the front limiting plate 25, the front ends of the two groups of front threaded rods 28 are respectively inserted and screwed into the rear ends of the two groups of front threaded pipes 27, the left side and the right side of the front end of the rear fixing plate 24 are respectively provided with a rear placing groove, third ball bearings 32 are fixedly arranged in the two groups of rear placing grooves, the rear ends of the two groups of rear threaded pipes 29 are respectively inserted into the two groups of third ball bearings 32 from the front end of the rear fixing plate 24, the front ends of the two groups of rear threaded rods 30 are respectively connected with the left side and the right side of the rear end of the rear limiting plate 26, and the rear ends of the two groups of rear threaded rods 30 are respectively inserted into and screwed into the front ends of the two groups of rear threaded pipes 29; the plate is placed on a plurality of groups of conveying rollers, the plate is conveyed through the conveying rollers, the plate is pushed or pulled manually, labor is saved, the front end and the rear end of the plate are limited through the front limiting plate and the rear limiting plate, the two groups of front threaded pipes are manually and synchronously rotated, the position of the front limiting plate can be adjusted through the matching of the front threaded pipes and the front threaded rods, the two groups of rear threaded pipes are manually and synchronously rotated, the position of the rear limiting plate can be adjusted through the matching of the rear threaded pipes and the rear threaded rods, so that the distance between the limiting plate and the rear limiting plate is adjusted, the plate is positioned when being conveyed, labor is saved, the punching plate pushes the plate to move downwards in the punching process, a supporting spring group on the conveying device is compressed, the bottom end of the plate is contacted with the top end of the connecting plate, and the supporting effect on the plate in the punching process is improved, the working efficiency is improved, the potential safety hazard is reduced, and the use reliability is improved.

The utility model discloses a punch press for ventilating floor, the bottom of connecting plate 22 is provided with a supporting beam 33, the bottom of supporting beam 33 contacts with the top of operation panel 1; the bottom end of the supporting beam is contacted with the top end of the operating platform, so that the supporting effect is further ensured.

In the punching machine for the ventilation floor of the utility model, the plane of the top end of the conveying roller is positioned above the plane of the top end of the connecting plate 22; at ordinary times, the bottom of panel and the top contact of conveying roller, the convenience is carried panel, and during punching a hole, along with conveyor's decline, the bottom of panel contacts with the top of connecting plate, and the top of connecting plate is the plane, guarantees the stability of panel.

The utility model discloses a punch press for ventilated floor still includes two sets of left locating levers 34 and two sets of right locating levers 35, and two sets of left locating levers 34 are all installed in the bottom left side of mounting panel 3 to two sets of left locating levers 34 all are located the left side of punching plate 7, and two sets of right locating levers 35 are all installed in the bottom right side of mounting panel 3, and two sets of right locating levers 35 all are located the right side of punching plate 7, and the right-hand member of two sets of left locating levers 34 from the bottom up gradually inclines to the right, and the left end of two sets of right locating levers 35 from the bottom to the left; along with the decline of mounting panel, two sets of left locating levers and two sets of right locating levers carry on spacingly to the left end and the right-hand member of panel to left locating lever and right locating lever are the inclined plane structure, can accomplish the location about panel gradually along with the decline of mounting panel.

In the punching machine for the ventilation floor of the utility model, the top ends of two groups of left positioning rods 34 and the top ends of two groups of right positioning rods 35 are respectively contacted with the left side and the right side of the punching plate 7; the precision of the positioning of the plate is ensured.

The utility model discloses a punch press for ventilated floor still includes multiunit fastening screw 36 and multiunit fastening nut 37, the top of preceding backup pad 8 and back backup pad 9 all is provided with the bar hole, the bar hole on the preceding backup pad 8 communicates with each other with preceding spout 12, the bar hole on the back backup pad 9 communicates with each other with back spout 13, the bottom of multiunit fastening screw 36 all passes the bar hole and respectively with the top fixed connection of multiunit first front slider 14, first back slider 15, second front slider 20 and second back slider 21, the top of multiunit fastening screw 36 passes through threaded connection with multiunit fastening nut 37 respectively, the bottom of multiunit fastening nut 37 pastes tightly with the top of preceding backup pad 8 and back backup pad 9; through fastening screw and fastening nut's cooperation, the position of slider and second back slider is adjusted before the convenience is to first preceding slider, first back slider, second to improve conveyor and strutting arrangement's steadiness.

In the punching machine for the ventilation floor of the utility model, the front sliding groove 12 and the rear sliding groove 13 are both dovetail structures, and the first front sliding block 14, the first rear sliding block 15, the second front sliding block 20 and the second rear sliding block 21 are all dovetail structures; the stability of slider before first slider, first back slider, slider before the second and slider behind the second is guaranteed.

The utility model discloses a punch press for ventilation floor still includes collecting box 38, and the top of operation panel 1 is provided with blanking hole 39, and is provided with blanking fill 40 in blanking hole 39's bottom, and collecting box 38 is located the below of operation panel 1, and is provided with the collection mouth in the top of collecting box 38, and the collection mouth is located the below of blanking mouth, and the left front side, right front side, left rear side and the right rear side of collecting box 38 bottom all are provided with the landing leg, and all install the gyro wheel in the bottom of four groups of landing legs; the flushed waste material falls into the collecting box through the blanking hole and the blanking hopper.

The utility model discloses a punch press for ventilation floor, it is at work, before accomplishing above-mentioned action, at first move it to the position that the user needed, place panel on multiunit conveying roller, carry panel through the conveying roller, only need the manual work to promote panel or pull can, use manpower sparingly, carry on spacing to the front end and the rear end of panel through preceding limiting plate and back limiting plate, through the manual synchronous rotation two sets of preceding screwed pipes, through the cooperation of preceding screwed pipe and preceding threaded rod, can adjust the position of preceding limiting plate, through the manual synchronous rotation two sets of back screwed pipes, through the cooperation of back screwed pipe and back threaded rod, can adjust the position of back limiting plate, thereby adjust the interval between limiting plate and the back limiting plate, fix a position it when panel is carried, use manpower sparingly, in the punching process, the punching plate pushes the plate to move downwards, so that the supporting spring group on the conveying device is compressed, the bottom end of the plate is contacted with the top end of the connecting plate, the supporting effect on the plate is improved when the plate is punched, the working efficiency is improved, the potential safety hazard is reduced, the bottom end of the plate is contacted with the top end of the conveying roller at ordinary times, the plate is conveniently conveyed, when the plate is punched, the bottom end of the plate is contacted with the top end of the connecting plate along with the descending of the conveying device, the top end of the connecting plate is a plane, the stability of the plate is ensured, the supporting effect is further ensured by the contact of the bottom end of the supporting beam and the top end of the operating platform, along with the descending of the mounting plate, the left end and the right end of the plate are limited by two groups of left positioning rods and two groups of right positioning rods, and, through fastening screw and fastening nut's cooperation, the position of slider and second back slider is adjusted before the convenience is to first preceding slider, first back slider, second to improve conveyor and strutting arrangement's steadiness, the waste material that dashes down falls into in the collecting box through blanking hole and blanking fill.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The utility model provides a punch press for ventilated floor, including operation panel (1), four group's pillars (2), mounting panel (3), roof (4) and cylinder (5) punch a hole, the left front end of mounting panel (3), the right front end, left back end and right back end all are provided with the perforation of lining up from top to bottom, the top of four group's pillars (2) is passed four group's perforation respectively to the top of mounting panel (3) and is connected with the left front side, right front side, left back side and the right back side of roof (4) bottom respectively from the bottom of mounting panel (3), the bottom of four group's pillars (2) is connected with the left front side on operation panel (1) top, right front side, left back side and right back side respectively, cylinder (5) of punching a hole is installed in the top of roof (4), and be provided with two sets of piston rods (6) at the bottom output of cylinder (5) of punching a hole, the bottom of two sets of piston rods (6) is passed roof (4) from the top of roof (4) to the below of roof (4) The bottom end of the mounting plate (3) is provided with a punching plate (7); the device is characterized by further comprising a front supporting plate (8), a rear supporting plate (9), a plurality of groups of conveying devices (10) and a plurality of groups of supporting devices (11), wherein the bottom ends of the front supporting plate (8) and the rear supporting plate (9) are respectively connected with the front side and the rear side of the top end of the operating platform (1), the front supporting plate (8) and the rear supporting plate (9) are arranged in parallel, the rear end of the front supporting plate (8) and the front end of the rear supporting plate (9) are respectively provided with a front sliding groove (12) and a rear sliding groove (13), each group of conveying devices (10) comprises a first front sliding block (14), a first rear sliding block (15) and a connecting shaft (16), the first front sliding block (14) and the first rear sliding block (15) are respectively arranged in the front sliding groove (12) and the rear sliding groove (13) and are respectively provided with a square groove at the rear end of the first front sliding block (14) and the front end of the first front sliding block, an installation block (17) and a support spring group (18) are arranged in the square groove, the top end and the bottom end of the support spring group (18) are respectively connected with the bottom end of the installation block (17) and the inner bottom wall of the square groove, one side of the two groups of installation blocks (17) opposite to each other is provided with an installation groove, a first ball bearing (19) is fixedly installed in the installation groove, the front end and the rear end of the connecting shaft (16) are respectively inserted into the two groups of first ball bearings (19), a conveying roller (41) is arranged on the outer side of the connecting shaft (16), the support device (11) comprises a second front sliding block (20), a second rear sliding block (21), a connecting plate (22), a front fixing plate (23), a rear fixing plate (24), a front limiting plate (25), a rear limiting plate (26), two groups of front threaded pipes (27), two groups of front threaded rods (28), two groups of rear threaded pipes (29) and two groups of rear threaded, the second front sliding block (20) and the second rear sliding block (21) are respectively arranged in the front sliding groove (12) and the rear sliding groove (13) in a sliding manner, the front end and the rear end of the connecting plate (22) are respectively connected with the rear end of the second front sliding block (20) and the front end of the second rear sliding block (21), the bottom ends of the front fixing plate (23) and the rear fixing plate (24) are respectively connected with the front side and the rear side of the top end of the connecting plate (22), front placing grooves are respectively arranged on the left side and the right side of the rear end of the front fixing plate (23), second ball bearings (31) are fixedly arranged in the front placing grooves, the front ends of the two groups of front threaded pipes (27) are respectively inserted into the two groups of second ball bearings (31) from the rear end of the front fixing plate (23), the rear ends of the two groups of front threaded rods (28) are respectively connected with the left side and the right side of the front end of the front limiting plate (25), and the front ends of the two groups of front threaded rods (28) are respectively inserted into the rear ends of the two groups of, the left side and the right side of after-fixing board (24) front end all are provided with the back standing groove to equal fixed mounting has third ball bearing (32) in two sets of back standing grooves, the rear end of two sets of back screwed pipes (29) inserts respectively to inside two sets of third ball bearing (32) from the front end of after-fixing board (24), the front end of two sets of back threaded rod (30) is connected with the left side and the right side of back limiting plate (26) rear end respectively, and the rear end of two sets of back threaded rod (30) inserts respectively and spiral shell dress to inside the front end of two sets of back screwed pipes (29).

2. The press for ventilated floors according to claim 1, characterized in that the bottom end of the connecting plate (22) is provided with a support beam (33), the bottom end of the support beam (33) being in contact with the top end of the operating floor (1).

3. The press for ventilated floors according to claim 2, characterized in that the plane of the top of the conveyor roller (41) is above the plane of the top of the connecting plate (22).

4. The punching machine for a ventilated floor according to claim 3, further comprising two sets of left positioning rods (34) and two sets of right positioning rods (35), the two sets of left positioning rods (34) are both installed at the left side of the bottom end of the mounting plate (3), and the two sets of left positioning rods (34) are both located at the left side of the punched plate (7), the two sets of right positioning rods (35) are both installed at the right side of the bottom end of the mounting plate (3), and the two sets of right positioning rods (35) are both located at the right side of the punched plate (7), the right ends of the two sets of left positioning rods (34) are gradually inclined to the right from below and the top, and the left ends of the two sets of right positioning rods (35) are inclined.

5. The press for ventilated floors according to claim 4, characterized in that the top ends of the two sets of left positioning rods (34) and the top ends of the two sets of right positioning rods (35) are in contact with the left and right sides of the punched plate (7), respectively.

6. The press for ventilated floors according to claim 5, further comprising a plurality of sets of fastening screws (36) and a plurality of sets of fastening nuts (37), the top ends of the front supporting plate (8) and the rear supporting plate (9) are respectively provided with a strip-shaped hole, the strip-shaped hole on the front supporting plate (8) is communicated with the front chute (12), the strip-shaped hole on the rear supporting plate (9) is communicated with the rear chute (13), the bottom ends of the plurality of groups of fastening screw rods (36) penetrate through the strip-shaped holes and are respectively fixedly connected with the top ends of the plurality of groups of first front sliding blocks (14), first rear sliding blocks (15), second front sliding blocks (20) and second rear sliding blocks (21), the top ends of the plurality of groups of fastening screw rods (36) are respectively connected with the plurality of groups of fastening nuts (37) through threads, the bottom ends of the multiple groups of fastening nuts (37) are tightly attached to the top ends of the front supporting plate (8) and the rear supporting plate (9).

7. The press for ventilated floors according to claim 6, characterized in that said front runner (12) and rear runner (13) are each of dovetail structure, said first front slider (14), first rear slider (15), second front slider (20) and second rear slider (21) being each of dovetail structure.

8. The punch press for a ventilated floor according to claim 7, further comprising a collection box (38), wherein the top end of the operation table (1) is provided with a blanking hole (39), and a blanking hopper (40) is provided at the bottom end of the blanking hole (39), the collection box (38) is located below the operation table (1), and a collection port is provided at the top end of the collection box (38), the collection port is located below the blanking port, the left front side, the right front side, the left rear side and the right rear side of the bottom end of the collection box (38) are each provided with a leg, and rollers are mounted at the bottom ends of the four sets of legs.

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