CN215030779U

CN215030779U - Punching sheet airing rack

Info

Publication number: CN215030779U
Application number: CN202120421422.1U
Authority: CN
Inventors: 季宇; 季东; 季安
Original assignee: Shanghai Hengwang Stamping Parts Co ltd
Current assignee: Shanghai Hengwang Stamping Parts Co ltd
Priority date: 2021-02-25
Filing date: 2021-02-25
Publication date: 2021-12-07
Anticipated expiration: 2031-02-25

Abstract

The application relates to a punching sheet airing rack which comprises a base, wherein a first inner cavity is formed in the base, the upper surface of the base is fixedly connected with a supporting plate, a second inner cavity is formed in the supporting plate and communicated with the upper surface of the base, a moving plate is connected in the second inner cavity in a sliding mode, and a connecting assembly is arranged between the moving plate and the base; a plurality of reinforcing rods are further arranged in the second inner cavity, a threaded rod is rotatably connected to the inner side wall of the second inner cavity, the threaded rod is vertically arranged, the threaded rod is in threaded connection with the movable plate, and the threaded rod penetrates through the plurality of reinforcing rods; the sequentially arranged reinforcing rods are provided with airing tables at intervals, and each airing table comprises two moving blocks fixedly connected to two ends of each reinforcing rod and four airing rods fixedly connected to two ends of the two moving blocks in a one-to-one correspondence manner; a strip-shaped hole is formed on the side wall of the second inner cavity corresponding to the airing rod; and a driving component for driving the threaded rod to rotate is also arranged in the base. This application has the effect of being convenient for adjust and air and put pole level.

Description

Punching sheet airing rack

Technical Field

The application relates to the technical field of punching sheet processing, in particular to a punching sheet airing rack.

Background

In the process of producing the punching sheet, the surface of the punching sheet needs to be painted, the painted punching sheet is dried, and then the dried punching sheet is placed on an airing frame to be aired for a period of time.

As shown in fig. 1, the related art discloses a punching sheet airing rack, which comprises a base 1, two supporting rods 11 and an ejector rod 12, wherein four rollers 13 are rotatably connected to the bottom side of the base 1, the two supporting rods 11 are fixedly connected to the upper surface of the base 1, the two supporting rods 11 are vertically arranged, the ejector rod 12 is simultaneously and fixedly connected to the end part of the two supporting rods 11 far away from the base 1, a plurality of groups of airing parts are arranged between the two supporting rods 11, the airing parts are two airing rods 252, the two airing rods 252 are respectively and fixedly connected to the two supporting rods 11, and punching sheets are placed on the two airing rods 11.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the horizontal position of the airing rod at the top of the supporting rod is higher, and when punching sheets are required to be placed on the airing rod above, the operation difficulty is higher.

SUMMERY OF THE UTILITY MODEL

In order to adjust the horizontal height of the airing rod, the punching sheet airing rack is provided.

The application provides a towards piece sunning frame adopts following technical scheme:

a punching sheet airing rack comprises a base, wherein a first inner cavity is formed in the base, a supporting plate is fixedly connected to the upper surface of the base, a second inner cavity is formed in the supporting plate and communicated with the upper surface of the base, a moving plate is connected in the second inner cavity in a sliding mode, a connecting assembly is arranged between the moving plate and the base and comprises two V-shaped hinged pieces and a plurality of X-shaped hinged pieces, the two groups of V-shaped hinged pieces are respectively connected with the moving plate and the base, the X-shaped hinged pieces are sequentially arranged between the two V-shaped hinged pieces, and each V-shaped hinged piece comprises a first hinged rod with the end portions hinged to each other; the X-shaped hinge comprises two second hinge rods with hinged middle parts and a hinge shaft penetrating through the two second hinge rods simultaneously, and the hinge shaft is rotatably connected with the two second hinge rods; the two second hinge rods close to the V-shaped hinge parts are respectively hinged with the two first hinge rods, and the two second hinge rods in the X-shaped hinge parts are respectively hinged with the two second hinge rods in the adjacent X-shaped hinge parts; the second inner cavity is internally provided with a plurality of reinforcing rods, the reinforcing rods are fixedly connected with the hinged shafts in a one-to-one correspondence manner, the inner side wall of the second inner cavity is rotatably connected with a threaded rod, the threaded rod is vertically arranged, the threaded rod is in threaded connection with the movable plate, the threaded rod penetrates through the reinforcing rods, and the threaded rod is in clearance fit with the reinforcing rods; the sequentially arranged reinforcing rods are provided with airing tables at intervals, each airing table comprises two moving blocks and four airing rods, the two moving blocks are respectively and fixedly connected to two ends of each reinforcing rod, and the four airing rods are fixedly connected to two ends of the two moving blocks in a one-to-one correspondence manner; a strip-shaped hole is formed on the side wall of the second inner cavity corresponding to the airing rod; and a driving component for driving the threaded rod to rotate is further arranged in the base.

Through adopting above-mentioned technical scheme, in order to facilitate the regulation and air and put the level of pole, earlier rotate through drive assembly drive threaded rod, the threaded rod rotates and makes the movable plate remove, and the in-process that the movable plate removed can make the articulated shaft between two adjacent X shape articulated elements be close to each other because of the action of gravity to reach and to adjust the purpose of articulated shaft level, drive anchor strut, movable block and air and put the pole removal through the level of adjusting the articulated shaft, and then reach and air and put the purpose of pole level.

Preferably, drive assembly includes actuating lever, worm wheel, worm and hand wheel, the actuating lever rotates the inside wall of connecting in first inner chamber, worm wheel fixed connection is in the threaded rod, worm fixed connection is in the actuating lever, the worm wheel meshes with the worm mutually, hand wheel fixed connection is in the tip of actuating lever, and the hand wheel is located the outside of base.

By adopting the technical scheme, in order to facilitate the rotation of the driving threaded rod, the driving rod is driven to rotate by rotating the hand wheel, the driving rod rotates to drive the worm to rotate, the worm rotates to drive the worm wheel to rotate, and the worm wheel rotates to drive the threaded rod to rotate, so that the purpose of driving the threaded rod to rotate is achieved.

Preferably, the outer circumferential surface of the reinforcing rod is fixedly connected with a first limiting block.

Through adopting above-mentioned technical scheme, through setting up first stopper, be convenient for restrict the interval between two strengthening rods to can restrict the interval of airing between the pole of putting.

Preferably, the airing rods are obliquely and downwards arranged from one end far away from the supporting plate to one end close to the supporting plate, and two groups of blocking assemblies are arranged on each airing rod.

By adopting the technical scheme, the drying rods are obliquely and upwards arranged, so that the possibility that the punching sheets slide off from the drying rods is reduced, and the punching sheets placed on the same drying rods are prevented from being contacted with each other under the action of the blocking assembly.

Preferably, a groove is formed in the airing rod corresponding to the blocking assembly, the blocking assembly comprises a blocking rod, a pushing block and a first spring, one end of the blocking rod is hinged to the side wall of the groove, the pushing block is connected to the side wall of the bottom side of the groove in a sliding mode, one end of the pushing rod is hinged to the pushing block, and the other end of the pushing rod is hinged to the bottom side of the blocking rod; one end of the first spring is fixedly connected to one side of the pushing block close to the supporting plate, and the other end of the first spring is fixedly connected to the inner side wall of the groove.

Through adopting above-mentioned technical scheme, for the convenience of reducing towards the piece and airing and put the pole and take place the possibility that slides, under the elastic force effect of first spring for first spring can promote the promotion piece and remove, and the in-process that promotes the piece and remove makes the contained angle on promotion pole and the horizontal direction change, thereby reaches and can promote the purpose that blocks the pole and remove, makes the tip that blocks the pole can the protrusion and air and put the upper surface of pole, and then is convenient for reduce towards the piece and airing and put the pole and take place the possibility that slides.

Preferably, the bottom side of the pushing block is fixedly connected with a guide block, the longitudinal section of the guide block is isosceles trapezoid, the bottom side wall of the groove is provided with a guide groove, the longitudinal section of the guide groove is isosceles trapezoid, and the guide block is slidably connected to the guide groove.

By adopting the technical scheme, the longitudinal sections of the guide block and the guide groove are isosceles triangles, so that the possibility of separation of the guide block and the guide groove can be reduced, and the possibility of separation of the pushing block and the bottom side wall of the groove can be further reduced; meanwhile, the guide block is arranged, so that the pushing block can be guided conveniently.

Preferably, the recess is close to fixedly connected with locating piece on the lateral wall of backup pad one side, the spout has been seted up to one side that the backup pad was kept away from to the locating piece, the through-hole has been seted up to the lateral wall of spout, be provided with spacing subassembly on the locating piece, spacing subassembly includes second stopper, ejector pad and second spring, second stopper sliding connection is in the spout, ejector pad fixed connection is in the upper surface of second stopper, and ejector pad sliding connection in the through-hole, the one end fixed connection of second spring is in the second stopper, other end fixed connection in the tank bottom of spout.

Through adopting above-mentioned technical scheme, when needs will block the pole and rotate to the recess in, promote the ejector pad earlier and remove, make the promotion drive second stopper slide to the spout in, rotate the pole that blocks after that, make the one end that blocks the pole and be close to the backup pad be located the below of spout level, then no longer exert exogenic action to the ejector pad, promote the second stopper and remove under the spring action of second spring this moment, make the outside of the partial department's of sliding spout of second stopper, block the pole at the same time and rotate under the promotion of catch bar, make the bottom side of blocking pole butt second stopper, thereby reach and carry out spacing purpose to blocking the pole.

Preferably, one side of the second limiting block, which is far away from the push plate, is provided with an inclined plane, the end face of the blocking rod, which is close to one end of the supporting plate, is provided with an inclined plane, and the inclined plane of the second limiting block is matched with the inclined plane of the blocking rod.

Through adopting above-mentioned technical scheme, at the in-process that rotates the stop lever, the inclined plane that stops the lever contacts with the inclined plane of second stopper, under the interact on two inclined planes for stop the lever and can promote the removal of second stopper, thereby reduce the degree of difficulty that stops the lever and rotate to the recess in.

In summary, the present application includes at least one of the following beneficial technical effects:

1. in order to adjust the horizontal height of the airing rod conveniently, the threaded rod is driven to rotate through the driving assembly, the threaded rod rotates to enable the movable plate to move, in the moving process of the movable plate, due to the action of gravity, hinged shafts between two adjacent X-shaped hinged pieces can be close to each other, so that the purpose of adjusting the horizontal height of the hinged shafts is achieved, and the horizontal height of the reinforcing rod, the movable block and the airing rod is driven to move by adjusting the horizontal height of the hinged shafts, so that the purpose of adjusting the horizontal height of the airing rod is achieved;

2. in order to facilitate the rotation of the driving threaded rod, the driving rod is driven to rotate by rotating the hand wheel, the driving rod drives the worm to rotate, the worm rotates to drive the worm wheel to rotate, and the worm wheel rotates to drive the threaded rod to rotate, so that the purpose of driving the threaded rod to rotate is achieved;

3. through setting up first stopper, be convenient for restrict the interval between two strengthening rods to can restrict the interval of airing between the pole of putting.

Drawings

FIG. 1 is a schematic view of a sheet punching airing rack in the related art;

FIG. 2 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is a cross-sectional view of the base and support plate in an embodiment of the present application;

FIG. 4 is a cross-sectional view of an airing rod and a positioning block in an embodiment of the present application

Description of reference numerals: 1. a base; 11. a support bar; 12. a top rod; 13. a roller; 14. a first lumen; 2. a support plate; 21. a second lumen; 211. a strip-shaped hole; 22. moving the plate; 23. a threaded rod; 24. a reinforcing rod; 25. airing the stand; 251. a moving block; 252. airing the rods; 2521. a groove; 2522. a guide groove; 26. a first stopper; 3. a connecting assembly; 31. a V-shaped hinge; 311. a first hinge lever; 32. an X-shaped hinge; 321. a second hinge lever; 322. hinging a shaft; 4. a drive assembly; 41. a drive rod; 42. a worm gear; 43. a worm; 44. a hand wheel; 5. a blocking component; 51. a blocking lever; 52. a push rod; 53. a pushing block; 54. a first spring; 55. a guide block; 6. positioning blocks; 61. a chute; 62. a through hole; 7. a limiting component; 71. a second limiting block; 72. a push block; 73. a second spring.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses punching sheet airing frame, as shown in fig. 2 and 3, the punching sheet airing frame comprises a base 1, the base 1 is of a rectangular plate-shaped structure, a first inner cavity 14 is arranged in the base 1, and four rollers 13 are rotatably connected to the bottom side of the base 1. The upper surface of base 1 is fixedly connected with backup pad 2, is provided with second inner chamber 21 in the backup pad 2, and second inner chamber 21 is linked together with the upper surface of base 1. A moving plate 22 is slidably connected in the second inner cavity 21, the moving plate 22 is of a rectangular plate-shaped structure, and two groups of connecting assemblies 3 are arranged between the moving plate 22 and the bottom side wall of the second inner cavity 21.

As shown in fig. 2 and 3, the connecting assembly 3 includes two V-shaped hinges 31 and a plurality of X-shaped hinges 32, the two V-shaped hinges 31 are respectively located on the moving plate 22 and the base 1, the V-shaped hinges 31 include two first hinge rods 311 with two ends hinged, and the two first hinge rods 311 are simultaneously hinged on the bottom side of the moving plate 22 or the upper surface of the base 1. The plurality of X-shaped hinge members 32 are sequentially arranged between the two V-shaped hinge members 31, each X-shaped hinge member 32 includes two second hinge rods 321 with hinged middle portions and a hinge shaft 322 simultaneously penetrating through the two second hinge rods 321, each hinge shaft 322 is rotatably connected to the two second hinge rods 321, the two second hinge rods 321 adjacent to the V-shaped hinge members 31 are respectively hinged to the ends of the two first hinge rods 311, and the two second hinge rods 321 of the X-shaped hinge members 32 are respectively hinged to the two second hinge rods 321 of the adjacent X-shaped hinge members 32.

As shown in fig. 2 and 3, a plurality of reinforcing rods 24 are further disposed in the second inner cavity 21, each reinforcing rod 24 is in a circular rod-shaped structure, and both ends of each reinforcing rod 24 are fixedly connected to two hinge shafts 322 located at the same horizontal height in the two sets of connecting assemblies 3. Still be provided with threaded rod 23 in the second inner chamber 21, threaded rod 23 top rotates to be connected in the top side lateral wall of second inner chamber 21, and the bottom of threaded rod 23 runs through the upper surface of base 1 after rotates to be connected in the bottom side lateral wall of first inner chamber 14, and threaded rod 23 vertical setting. The threaded rod 23 extends through the plurality of reinforcing rods 24, and the threaded rod 23 is clearance-fitted with the plurality of reinforcing rods 24. The sequentially arranged reinforcing rods 24 are provided with airing tables 25 at intervals, each airing table 25 comprises two moving blocks 251 and four airing rods 252, the two moving blocks 251 are fixedly connected to two ends of each reinforcing rod 24, the four airing rods 252 are fixedly connected to two ends of the two moving blocks 251 in a one-to-one correspondence manner, the four airing rods 252 are obliquely and downwards arranged from one end close to the supporting plate 2 to one end close to the supporting plate 2, and strip-shaped holes 211 are formed in the side wall of the second inner cavity 21 corresponding to the airing rods 252.

As shown in fig. 2 and 3, a driving assembly 4 for driving the threaded rod 23 to rotate is further disposed in the base 1, the driving assembly 4 includes a driving rod 41, a worm wheel 42, a worm 43, and a hand wheel 44, the driving rod 41 is in a circular rod-shaped structure, one end of the driving rod 41 is rotatably connected to the inner side wall of the first inner cavity 14, and the other end of the driving rod 41 penetrates through the side wall of the first inner cavity 14 and is located outside the base 1. The worm 43 is fixedly connected to the driving rod 41, and the axis of the worm 43 coincides with the axis of the driving rod 41. The worm wheel 42 is fixedly connected with the threaded rod 23, the axis of the worm wheel 42 is overlapped with the axis of the threaded rod 23, and the worm wheel 42 is meshed with the worm 43. The hand wheel 44 is fixedly connected to the end of the driving rod 41, and the hand wheel 44 is located on the outer side of the base 1. When the threaded rod 23 needs to be driven to rotate, the hand wheel 44 is rotated to drive the driving rod 41 to rotate, the driving rod 41 rotates to drive the worm 43 to rotate, the worm 43 rotates to drive the worm wheel 42 to rotate, and the worm wheel 42 rotates to drive the threaded rod 23 to rotate, so that the purpose of driving the threaded rod 23 to rotate is achieved.

As shown in fig. 2 and 3, two first stoppers 26 are fixedly connected to the lower half outer circumferential surface of the reinforcing rod 24, and the first stoppers 26 are provided to facilitate the limitation of the distance between the two reinforcing rods 24, thereby limiting the distance between the airing rods 252.

As shown in fig. 3 and 4, two grooves 2521 are formed on the upper surface of each drying rod 252, a guide slot 2522 having an isosceles trapezoid longitudinal section is formed on the sidewall of the bottom side of each groove 2521, two sets of blocking assemblies 5 are disposed on the drying rod 252 corresponding to the two grooves 2521, each blocking assembly 5 includes a blocking rod 51, a pushing rod 52, a pushing block 53, a first spring 54 and a guide block 55, one end of each blocking rod 51 is hinged to the sidewall of the groove 2521 on the side away from the support plate 2, and an inclined surface is disposed on the end surface of the other end of each blocking rod 51. The pushing block 53 is a rectangular block structure, the pushing block 53 is slidably connected to the sidewall of the bottom side of the groove 2521, the guide block 55 is fixedly connected to the bottom side of the pushing block 53, the longitudinal section of the guide block 55 is isosceles trapezoid, and the guide block 55 is slidably connected to the guide groove 2522. One end of the push rod 52 is hinged to the side of the push block 53 away from the support plate 2, and the other end is hinged to the bottom side of the blocking rod 51. One end of the first spring 54 is fixedly connected to the side wall of the groove 2521 on the side close to the support plate 2, and the other end is fixedly connected to the side of the pushing block 53 close to the support plate 2. Under the action of the elastic force of the first spring 54, the first spring 54 can push the pushing block 53 to move, and in the moving process of the pushing block 53, the included angle between the pushing rod 52 and the horizontal direction is changed, so that the purpose of pushing the blocking rod 51 to move is achieved, the end part of the blocking rod 51 can protrude out of the upper surface of the airing rod 252, and the possibility that the punching sheet slides on the airing rod 252 is reduced.

Since the longitudinal sections of the guide block 55 and the guide groove 2522 are isosceles triangles, the possibility of separation of the guide block 55 from the guide groove 2522 can be reduced, and the possibility of separation of the pushing block 53 from the bottom side wall of the groove 2521 can be further reduced; meanwhile, the pushing block 53 can be conveniently guided by the guide block 55.

As shown in fig. 2 and fig. 3, a positioning block 6 is fixedly connected to a side wall of the groove 2521 close to one side of the supporting plate 2, the positioning block 6 is in a rectangular block structure, a sliding groove 61 with a rectangular opening is formed in a side wall of the positioning block 6 far away from one side of the supporting plate 2, a through hole 62 with a rectangular opening is formed in a side wall of the top side of the sliding groove 61, a limiting component 7 for limiting the blocking rod 51 is arranged on the positioning block 6, the limiting component 7 comprises a second limiting block 71, a push block 72 and a second spring 73, the second limiting block 71 is slidably connected to the sliding groove 61, an inclined surface is formed in one side of the second limiting block 71 far away from the supporting plate 2, and the inclined surface of the second limiting block 71 is matched with the inclined surface of the blocking rod 51. The pushing block 72 is a rectangular block structure, the pushing block 72 is fixedly connected to the upper surface of the second limiting block 71, and the pushing block 72 is slidably connected to the through hole 62. The second spring 73 is located in the sliding groove 61, one end of the second spring 73 is fixedly connected to the bottom of the sliding groove 61, and the other end of the second spring 73 is fixedly connected to one side of the second limiting block 71 close to the supporting rod 11.

When the blocking rod 51 needs to be rotated into the groove 2521, the blocking rod 51 is pushed to rotate, and in the rotating process of the blocking rod 51, the inclined surface of the blocking rod 51 contacts with the inclined surface of the second limiting block 71, so that the blocking rod 51 can push the second limiting block 71 to move under the interaction of the two inclined surfaces, and the difficulty in rotating the blocking rod 51 into the groove 2521 is reduced. When one end of the blocking rod 51 close to the supporting plate 2 is located below the horizontal height of the sliding groove 61, the second limiting block 71 is pushed to move under the action of the elastic force of the second spring 73, so that part of the second limiting block 71 slides to the outer side of the sliding groove 61, meanwhile, the blocking rod 51 rotates under the pushing of the pushing rod 52, the blocking rod 51 abuts against the bottom side of the second limiting block 71, and the purpose of limiting the blocking rod 51 is achieved.

The implementation principle of the punching sheet airing rack in the embodiment of the application is as follows: in order to adjust the horizontal height of the airing rod 252, the threaded rod 23 is driven to rotate through the driving assembly 4, the threaded rod 23 rotates to enable the moving plate 22 to move, in the moving process of the moving plate 22, due to the action of gravity, the hinge shafts 322 between two adjacent X-shaped hinge pieces 32 can be close to each other, the purpose of adjusting the horizontal height of the hinge shafts 322 is achieved, the horizontal height of the hinge shafts 322 is adjusted to drive the reinforcing rods 24, the moving block 251 and the airing rod 252 to move, and the purpose of adjusting the horizontal height of the airing rod 252 is achieved.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a towards piece sunning frame, includes base (1), its characterized in that: the improved structure of the automobile seat is characterized in that a first inner cavity (14) is arranged in the base (1), a supporting plate (2) is fixedly connected to the upper surface of the base (1), a second inner cavity (21) is formed in the supporting plate (2), the second inner cavity (21) is communicated with the upper surface of the base (1), a moving plate (22) is connected to the second inner cavity (21) in a sliding mode, a connecting assembly (3) is arranged between the moving plate (22) and the base (1), the connecting assembly (3) comprises two V-shaped hinged parts (31) and a plurality of X-shaped hinged parts (32), the two groups of V-shaped hinged parts (31) are respectively connected with the moving plate (22) and the base (1), the plurality of X-shaped hinged parts (32) are sequentially arranged between the two V-shaped hinged parts (31), and each V-shaped hinged part (31) comprises a first hinge rod (311) with the end portions hinged to each other; the X-shaped hinge part (32) comprises two second hinge rods (321) with hinged middle parts and a hinge shaft (322) penetrating through the two second hinge rods (321) simultaneously, and the hinge shaft (322) is in rotary connection with the two second hinge rods (321); two second hinge rods (321) close to the V-shaped hinge pieces (31) are respectively hinged with the two first hinge rods (311), and two second hinge rods (321) in the X-shaped hinge pieces (32) are respectively hinged with two second hinge rods (321) in the adjacent X-shaped hinge pieces (32); a plurality of reinforcing rods (24) are further arranged in the second inner cavity (21), the reinforcing rods (24) are fixedly connected with the hinged shafts (322) in a one-to-one correspondence mode, a threaded rod (23) is rotatably connected to the inner side wall of the second inner cavity (21), the threaded rod (23) is vertically arranged, the threaded rod (23) is in threaded connection with the moving plate (22), the threaded rod (23) penetrates through the reinforcing rods (24), and the threaded rod (23) is in clearance fit with the reinforcing rods (24); the sequentially arranged reinforcing rods (24) are provided with airing tables (25) at intervals, each airing table (25) comprises two moving blocks (251) and four airing rods (252), the two moving blocks (251) are respectively and fixedly connected to two ends of each reinforcing rod (24), and the four airing rods (252) are fixedly connected to two ends of the two moving blocks (251) in a one-to-one correspondence manner; a strip-shaped hole (211) is arranged on the side wall of the second inner cavity (21) corresponding to the airing rod (252); and a driving component (4) for driving the threaded rod (23) to rotate is further arranged in the base (1).

2. The punching sheet airing rack as claimed in claim 1, characterized in that: drive assembly (4) are including actuating lever (41), worm wheel (42), worm (43) and hand wheel (44), actuating lever (41) are rotated and are connected in the inside wall of first inner chamber (14), worm wheel (42) fixed connection is in threaded rod (23), worm (43) fixed connection is in actuating lever (41), worm wheel (42) mesh mutually with worm (43), hand wheel (44) fixed connection is in the tip of actuating lever (41), and hand wheel (44) are located the outside of base (1).

3. The punching sheet airing rack as claimed in claim 2, characterized in that: the peripheral surface of reinforcing rod (24) fixedly connected with first stopper (26).

4. The punching sheet airing rack as claimed in claim 1, characterized in that: the airing rods (252) are obliquely and downwards arranged from one end far away from the supporting plate (2) to one end close to the supporting plate (2), and two groups of blocking assemblies (5) are arranged on each airing rod (252).

5. The punching sheet airing rack as claimed in claim 4, characterized in that: a groove (2521) is formed in the airing rod (252) corresponding to the blocking assembly (5), the blocking assembly (5) comprises a blocking rod (51), a pushing rod (52), a pushing block (53) and a first spring (54), one end of the blocking rod (51) is hinged to the side wall of the groove (2521), the pushing block (53) is connected to the side wall of the bottom side of the groove (2521) in a sliding mode, one end of the pushing rod (52) is hinged to the pushing block (53), and the other end of the pushing rod is hinged to the bottom side of the blocking rod (51); one end of the first spring (54) is fixedly connected to one side, close to the support plate (2), of the pushing block (53), and the other end of the first spring is fixedly connected to the inner side wall of the groove (2521).

6. The punching sheet airing rack as claimed in claim 5, characterized in that: the bottom side of the pushing block (53) is fixedly connected with a guide block (55), the longitudinal section of the guide block (55) is isosceles trapezoid, the bottom side wall of the groove (2521) is provided with a guide groove (2522), the longitudinal section of the guide groove (2522) is isosceles trapezoid, and the guide block (55) is slidably connected with the guide groove (2522).

7. The punching sheet airing rack as claimed in claim 5, characterized in that: fixedly connected with locating piece (6) on the lateral wall that recess (2521) is close to backup pad (2) one side, locating piece (6) are kept away from one side of backup pad (2) and have been seted up spout (61), through-hole (62) have been seted up to the lateral wall of spout (61), be provided with spacing subassembly (7) on locating piece (6), spacing subassembly (7) include second stopper (71), ejector pad (72) and second spring (73), second stopper (71) sliding connection is in spout (61), ejector pad (72) fixed connection is in the upper surface of second stopper (71), and ejector pad (72) sliding connection in through-hole (62), the one end fixed connection of second spring (73) is in second stopper (71), other end fixed connection in the tank bottom of spout (61).

8. The punching sheet airing rack as claimed in claim 7, characterized in that: one side of the second limiting block (71) far away from the push plate is provided with an inclined plane, the end face of the blocking rod (51) close to one end of the support plate (2) is provided with an inclined plane, and the inclined plane of the second limiting block (71) is matched with the inclined plane of the blocking rod (51).