CN115534508A

CN115534508A - Portable lithography apparatus of outer wall slogan for building site

Info

Publication number: CN115534508A
Application number: CN202210567178.9A
Authority: CN
Inventors: 黄雪玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-12-30
Anticipated expiration: 2042-05-24

Abstract

The invention relates to printing equipment, in particular to portable printing equipment for an outer wall slogan for a building site. The technical problems of the invention are as follows: the portable printing equipment for the exterior wall slogan for the construction site is provided, wherein the printing plate can be replaced according to the requirement, and the printing work can be quickly carried out. The technical implementation scheme of the invention is as follows: the utility model provides a portable lithography apparatus of outer wall slogan for building site, is equipped with placement mechanism including supporter, placement mechanism, moving mechanism, opening mechanism, antiskid cover and whitewashes the cotton on the supporter, is equipped with placement mechanism on the supporter, is equipped with two antiskid covers on the placement mechanism, is equipped with moving mechanism on the supporter, is equipped with on the moving mechanism and whitewashes the cotton, is equipped with opening mechanism on the supporter. Can block printing plate with the supporter cooperation through the first fixture block that sets up, printing plate can follow the landing on the supporter when avoiding printing, and first fixture block can reciprocate simultaneously, so is convenient for to the change of printing plate.

Description

Portable lithography apparatus of outer wall slogan for building site

Technical Field

The invention relates to printing equipment, in particular to portable printing equipment for an outer wall slogan for a construction site.

Background

The slogan is a slogan written by short characters and having a propaganda promoting effect, various slogans are printed on the outer wall in a building site, such as slogans which guarantee quality, like enterprise responsibility, industry management, national supervision and mass supervision, and the like, and the slogans which remind workers of safety to pay attention to safety are required for production and production.

Therefore, the portable printing equipment for the exterior wall slogan for the construction site is required to be designed, wherein the printing plate can be replaced as required, and the printing work can be rapidly carried out.

Disclosure of Invention

In order to overcome the defects that the written characters are different in size and not beautiful when the writing is carried out on the outer wall after paint is adhered to the outer wall by a brush manually, and the printing speed is lower because only one character can be printed at a time when the paper with the cut characters is covered on the outer wall for subsequent printing, the invention has the technical problems that: the portable printing equipment for the exterior wall slogan for the building site is provided, wherein the printing plate can be replaced as required, and the printing work can be quickly carried out.

The technical implementation scheme of the invention is as follows: the utility model provides a portable lithography apparatus of outer wall poster for building site, is equipped with the mechanism of placing on the supporter including supporter, the mechanism of placing, moving mechanism, shedding mechanism, antiskid cover and whitewash the cotton, is equipped with the mechanism of placing on the supporter, is equipped with two antiskid covers on the mechanism of placing, is equipped with moving mechanism on the supporter, is equipped with on the moving mechanism and whitewashes the cotton, is equipped with shedding mechanism on the supporter.

In one embodiment, the placing mechanism comprises a printing plate, a first handle, a first torsion spring, a first clamping block and a first spring, the printing plate is slidably placed in the storage rack, the first handle is rotatably arranged on two sides of the storage rack, the first torsion spring is connected between one side of the first handle and the storage rack, the two anti-skidding sleeves are connected to the corresponding first handles, the first clamping block is slidably arranged on one side of the storage rack, and the first spring is connected between the first clamping block and the storage rack.

In one embodiment, the moving mechanism comprises a pressing plate, a second spring, a first spiral wheel, a ratchet strip, a third spring, a first sliding block and a fourth spring, wherein the pressing plate is symmetrically and slidably arranged on two sides of the bottom of the storage rack, the second spring is connected between the pressing plate and the storage rack, the first spiral wheel is rotatably arranged on one side in the storage rack, the ratchet wheel is arranged on one side of the first spiral wheel, the ratchet strip is slidably arranged on one side of the top of one side pressing plate close to the ratchet wheel, the third spring is connected between the ratchet strip and one side pressing plate, the first sliding block is slidably arranged on one side in the storage rack and is positioned on one side of the first spiral wheel, the fourth spring is connected between the first sliding block and the storage rack, and the whitewash cotton is slidably connected to the first sliding block.

In one embodiment, the opening mechanism comprises a liquid storage frame, a first guide pipe, a telescopic pipe, a second guide pipe, a second spiral wheel, a cam, a fifth spring and a second clamping block, wherein the liquid storage frame is arranged on one side of the storage rack, the first guide pipe is arranged on one side of the liquid storage frame, the telescopic pipe is connected to one end of the first guide pipe, the second guide pipe is slidably arranged on one side in the storage rack, the second guide pipe is slidably matched with the whitewash cotton, the second spiral wheel is rotatably arranged on one side in the storage rack close to the second guide pipe, the cam is arranged at one end of the second spiral wheel in a welding mode, the second spiral wheel is matched with the second guide pipe, the second guide pipe is connected with the telescopic pipe and communicated with the telescopic pipe, the second clamping block is slidably arranged on one side in the storage rack close to the cam, the second clamping block is slidably matched with the first guide pipe, and the fifth spring is connected between the second clamping block and the storage rack.

In one embodiment, the cleaning device further comprises a cleaning component, the cleaning component comprises a water storage frame, a third conduit, a fixed block, a third clamping block, a sixth spring, a second torsion spring and a rotating plate, the water storage frame is arranged on one side of the storage rack, the fixed block is symmetrically arranged on one side of the top of the storage rack, the fixed block is also arranged on the other side of the storage rack, the third conduit is connected between the fixed blocks, the third conduit is communicated with the water storage frame, the third clamping block is slidably arranged on one side of the storage rack, the third clamping block is slidably matched with the third conduit, the sixth spring is symmetrically connected between the third clamping block and the storage rack, the rotating plate is rotatably arranged on one side of the storage rack close to the third clamping block, and the second torsion spring is connected between the rotating plate and the storage rack.

In one embodiment, the storage rack further comprises a buckle assembly, the buckle assembly comprises a second sliding block, a second handle and a seventh spring, the second handle is arranged on one side of the storage rack in a sliding mode, the seventh spring is connected between the second handle and the storage rack, and the second sliding block is arranged on one side of the second handle.

In one embodiment, the article placing rack further comprises an unlocking assembly, the unlocking assembly comprises a third handle, a wedge block and an eighth spring, the third handle is arranged on one side of the article placing rack in a sliding mode, the wedge block is arranged at the bottom of the third handle and matched with the article placing rack in a sliding mode, and the eighth spring is symmetrically connected between the third handle and the article placing rack.

In one embodiment, the second handle is T-shaped.

The invention achieves the following effects: the anti-slip sleeve can prevent the hand from sliding on the first handle, so that the commodity shelf can be pressed on the outer wall with better force; the printing plate can be clamped by matching the arranged first clamping block with the storage rack, so that the printing plate is prevented from sliding off the storage rack during printing, and meanwhile, the first clamping block can move up and down, so that the printing plate is convenient to replace; when the storage rack is taken out of the printing plate, the rotating plate rotates to drive the third clamping block to move upwards so as not to block the third guide pipe, so that water in the water storage frame can be discharged through the third guide pipe, the printing plate is washed, and the printing plate is prevented from being left with residual dyes; the pressing plate on the right front side is clamped by the second sliding block, so that the pressing plate on the right front side cannot move upwards, and the printing operation can be avoided after the equipment is carried and does not collide with the pressing plate.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a partial perspective view of the present invention.

Fig. 3 is a schematic view of a first partial body structure of the placement mechanism of the present invention.

Fig. 4 is a schematic view of a second partial body structure of the placement mechanism of the present invention.

Fig. 5 is a schematic diagram of a first partial body structure of the moving mechanism of the present invention.

Fig. 6 is a schematic view of a second partial body structure of the moving mechanism of the present invention.

Fig. 7 is a perspective view of a third part of the moving mechanism of the present invention.

Fig. 8 is a perspective view of a fourth part of the moving mechanism of the present invention.

Fig. 9 is a schematic view of a first partially-separated component of the opening mechanism of the present invention.

Fig. 10 is an enlarged perspective view of the present invention.

Fig. 11 is a schematic view of a second partially-separated body structure of the opening mechanism of the present invention.

FIG. 12 is a schematic view of a first partial body structure of the cleaning assembly of the present invention.

Fig. 13 is an enlarged perspective view of the present invention B.

FIG. 14 is a schematic view of a second partial body structure of the cleaning assembly of the present invention.

Fig. 15 is a perspective view of the latch assembly and the release assembly of the present invention.

Labeled as: 1-rack, 2-placement mechanism, 21-printing plate, 22-first handle, 23-first torsion spring, 24-first block, 25-first spring, 3-moving mechanism, 31-pressing plate, 32-second spring, 33-first helical wheel, 34-ratchet wheel, 35-ratchet bar, 36-third spring, 37-first slider, 38-fourth spring, 4-opening mechanism, 41-liquid storage frame, 42-first conduit, 43-telescopic tube, 44-second conduit, 45-second helical wheel, 46-cam, 47-fifth spring, 48-second block, 5-anti-slip sleeve, 6-brush cotton, 7-cleaning component, 71-water storage frame, 72-third conduit, 73-fixed block, 74-third block, 75-sixth spring, 76-second torsion spring, 77-rotating plate, 8-buckle component, 81-second slider, 82-second handle, 83-seventh spring, 9-third block, 91-eighth torsion spring, 93-wedge spring, and wedge-shaped spring.

Detailed Description

The invention will be further described with reference to examples of embodiments shown in the drawings to which the invention is attached.

Example 1

The utility model provides a portable lithography apparatus of outer wall poster for building site, as shown in fig. 1-15, including supporter 1, placement mechanism 2, moving mechanism 3, shedding mechanism 4, antiskid cover 5 and whitewash cotton 6, be equipped with placement mechanism 2 on supporter 1, be equipped with two antiskid covers 5 that can avoid the hand to skid on placement mechanism 2, be equipped with moving mechanism 3 on supporter 1, be equipped with whitewash cotton 6 on moving mechanism 3, be equipped with shedding mechanism 4 that can add the dyestuff to whitewash cotton 6 on supporter 1.

Place mechanism 2 including printing plate 21, the first in command 22, first torsion spring 23, first fixture block 24 and first spring 25, printing plate 21 has been placed to the slidingtype in supporter 1, the equal rotary type in both sides is equipped with the first in command 22 around the supporter 1, all be connected with first torsion spring 23 between the first in command 22 right side and the supporter 1, two antiskid cover 5 all connect on the first in command 22 that corresponds through the welded mode, the sliding type is equipped with first fixture block 24 behind the supporter 1 left side, be connected with first spring 25 between first fixture block 24 and the supporter 1.

The moving mechanism 3 comprises a pressing plate 31, a second spring 32, a first spiral wheel 33, a ratchet wheel 34, a ratchet strip 35, a third spring 36, a first sliding block 37 and a fourth spring 38, the pressing plate 31 is symmetrically arranged on the front side and the rear side of the bottom of the commodity shelf 1 in a bilateral sliding mode, the second spring 32 is connected between the pressing plate 31 and the commodity shelf 1, the first spiral wheel 33 is arranged on the front side in the commodity shelf 1 in a rotating mode, the ratchet wheel 34 is arranged on the right side of the first spiral wheel 33 in a welding mode, the ratchet strip 35 is arranged on the front side of the top of the right front side pressing plate 31 in a sliding mode, the third spring 36 is connected between the ratchet strip 35 and the right front side pressing plate 31, the first sliding block 37 is arranged on the front side in the commodity shelf 1 in a rotating mode, the first sliding block 37 is located on the rear side of the first spiral wheel 33, the fourth spring 38 is connected between the first sliding block 37 and the commodity shelf 1, the whitewash cotton 6 is connected to the first sliding block 37 in a sliding mode, and the spiral wheel 33 is provided with a spiral groove and a straight groove.

The opening mechanism 4 comprises a liquid storage frame 41, a first conduit 42, an extension tube 43, a second conduit 44, a second spiral wheel 45, a cam 46, a fifth spring 47 and a second fixture block 48, wherein the liquid storage frame 41 is arranged on the right rear side of the storage rack 1 in a welding mode, the first conduit 42 is arranged on the left rear side of the liquid storage frame 41, the extension tube 43 is connected to the left end of the first conduit 42, the second conduit 44 is arranged on the inner rear side of the storage rack 1 in a sliding mode, the second conduit 44 is matched with the whitewash cotton 6 in a sliding mode, the second spiral wheel 45 is arranged on the inner rear side of the storage rack 1 in a rotating mode, the cam 46 is arranged on the right end of the second spiral wheel 45 in a welding mode, the second spiral wheel 45 is matched with the second conduit 44, the second conduit 44 is connected and communicated with the extension tube 43, the second fixture block 48 is arranged on the inner rear right side of the storage rack 1 in a sliding mode, the second fixture block 48 is matched with the first conduit 42 in a sliding mode, and the fifth spring 47 is connected between the second fixture block 48 and the storage rack 1.

When a slogan needs to be printed on the outer wall, a worker can move the printing plate 21 with a corresponding font from the left side to the right side and gradually put the printing plate 21 into the commodity shelf 1, at the moment, the first clamping block 24 can move upwards first, the first spring 25 is stretched, after the printing plate 21 passes through the first clamping block 24, the first clamping block 24 moves downwards under the action of the first spring 25, so that the printing plate 21 can be fixed by being matched with the commodity shelf 1, the printing plate 21 can be prevented from sliding out of the commodity shelf 1, then the antiskid sleeve 5 can be held by hand to move, the first handle 22 is driven to move, the commodity shelf 1 and the upper part of the commodity shelf are driven to move together by moving the first handle 22, then the commodity shelf 1 can be attached to the outer wall, so that the first handle 22 can rotate upwards, the first torsion spring 23 deforms, and at the moment, the hand can be prevented from sliding on the first handle 22 under the action of the antiskid sleeve 5, therefore, the rack 1 can be pressed on the outer wall with better force, at this time, the pressing plate 31 can be attached to the outer wall, so that the pressing plate 31 can move upward, the second spring 32 is compressed, the pressing plate 31 moves upward to drive the ratchet 35 to move upward, the ratchet 35 moves upward to drive the ratchet 34 to rotate, the ratchet 34 rotates to drive the first spiral wheel 33 to rotate, the first spiral wheel 33 rotates to drive the first slider 37 to move leftward, the first slider 37 moves leftward to drive the whitewash cotton 6 to move leftward, the fourth spring 38 is compressed, the whitewash cotton 6 moves leftward to drive the second conduit 44 to move leftward, the second conduit 44 moves leftward to drive the second spiral wheel 45 to rotate, the second conduit 44 moves leftward to simultaneously deform the extension tube 43, the second spiral wheel 45 rotates to drive the cam 46 to rotate, the cam 46 rotates to drive the second latch 48 to move forward, the fifth spring 47 is stretched, when the opening of the second latch 48 is communicated with the first conduit 42, the dye in the liquid storage frame 41 can leak out through the first guide tube 42, so as to leak on the painting cotton 6 through the telescopic tube 43 and the second guide tube 44, and the painting cotton 6 is added with the dye, when the first slide block 37 moves to the leftmost side, the dye is not in contact with the spiral groove of the first spiral wheel 33, and the dye is in contact with the straight groove of the first spiral wheel 33, so that the first slide block 37 drives the painting cotton 6 to move rightwards to reset under the action of the fourth spring 38, the painting cotton 6 moves rightwards to print characters on the printing plate 21 on the outer wall, the painting cotton 6 moves rightwards to drive the second guide tube 44 to move rightwards, so that the second spiral wheel 45 rotates reversely to reset, the cam 46 is not abutted against the second fixture block 48, the second fixture block 48 moves backwards to reset under the action of the fifth spring 47, and the second fixture block 48 blocks the first guide tube 42 again, the dye in the liquid storage frame 41 stops feeding, so that the printing work of the exterior wall slogan is completed, then the commodity shelf 1 is separated from the exterior wall through the anti-slip sleeve 5 and the first handle 22, the pressing plate 31 and the ratchet bar 35 are moved downwards and reset under the action of the second spring 32, at the moment, the ratchet bar 35 moves downwards and does not drive the ratchet wheel 34 to rotate, so that the ratchet bar 35 can move forwards, the third spring 36 is compressed, the ratchet bar 35 can move backwards and reset under the action of the third spring 36 after crossing the ratchet wheel 34, if the printing plate 21 needs to be replaced or directly taken down, the first clamping block 24 can be pulled upwards to move no longer to block the printing plate 21, so that the printing plate 21 can be taken out or replaced, a worker can also replace the whitewashed cotton 6, can firstly press the whitewashed cotton 6 inwards to separate from the second conduit 44 and the first sliding block 37, so that the whitewashed cotton can be taken down for replacement, the second guide tube 44 and the first slider 37 can be sleeved with the brushing cotton 6 under the action of the elasticity of the brushing cotton 6, so that the printing effect can be prevented from being influenced after the brushing cotton 6 is used for a long time.

The cleaning assembly 7 comprises a water storage frame 71, a third conduit 72, a fixing block 73, a third fixture block 74, a sixth spring 75, a second torsion spring 76 and a rotating plate 77, the water storage frame 71 is arranged on the right front side of the commodity shelf 1 in a welding mode, the fixing blocks 73 are symmetrically arranged on the front side of the top of the commodity shelf 1 in a bilateral mode through bolts, the fixing blocks 73 are also arranged on the left side and the right side of the commodity shelf 1 through bolts, the third conduit 72 is connected between the fixing blocks 73, the third conduit 72 is communicated with the water storage frame 71, the third fixture block 74 is movably arranged on the left front side of the commodity shelf 1, the third fixture block 74 is matched with the third conduit 72 in a sliding mode, the sixth spring 75 is symmetrically connected between the third fixture block 74 and the commodity shelf 1 in the front-back mode, the rotating plate 77 is rotatably arranged on the left front side in the commodity shelf 1, and the second torsion spring 76 is connected between the rotating plate 77 and the commodity shelf 1.

When the printing plate 21 moves rightwards to drive the rotating plate 77 to rotate rightwards, the second torsion spring 76 deforms, after the printing plate 21 crosses the rotating plate 77, the rotating plate 77 rotates and resets under the action of the second torsion spring 76, when the printing plate 21 is taken down or replaced, the printing plate 21 moves leftwards to drive the rotating plate 77 to rotate leftwards, the second torsion spring 76 deforms, the rotating plate 77 rotates leftwards to drive the third clamping block 74 to move upwards, the sixth spring 75 is compressed, the third clamping block 74 moves upwards to not block the third guide pipe 72, therefore, water in the water storage frame 71 can be discharged through the third guide pipe 72, the printing plate 21 is washed, dye residues on the printing plate 21 are avoided, the printing plate can be used for the next time, after the printing plate 21 moves leftwards to separate from the rotating plate 77, the rotating plate 77 can rotate and reset, the third clamping block 74 moves downwards to block the third guide pipe 72 again under the action of the sixth spring 75, and blanking of the water in the water storage frame 71 is stopped.

Still including buckle subassembly 8, buckle subassembly 8 is equipped with second handle 82 including second slider 81, second handle 82 and seventh spring 83, supporter 1 right side front side slip formula, is connected with seventh spring 83 between second handle 82 and the supporter 1, and second handle 82 right side is equipped with second slider 81 through the welded mode.

The second slider 81 blocks the pressing plate 31 on the right front side initially, so that the pressing plate 31 on the right front side cannot move upwards, printing work can be avoided after the equipment is carried with the equipment and does not collide with the pressing plate 31, when printing work needs to be carried out, the second handle 82 is T-shaped, so that two fingers can hook the second handle 82, the second handle 82 can be pulled leftwards to drive the second slider 81 to move leftwards, so that the second handle 82 can be pulled to move conveniently, the seventh spring 83 is compressed, the second slider 81 cannot block the pressing plate 31 on the right front side at the moment, printing work can be carried out, the second handle 82 is not controlled any more at the moment, the pressing plate 31 on the right front side can block the second slider 81 and cannot move rightwards, the pressing plate 31 moves to reset after printing is finished, the second handle 82 and the second slider 81 are blocked and reset under the action of the seventh spring 83, and the pressing plate 31 on the right front side moves rightwards again.

Still including unblock subassembly 9, unblock subassembly 9 is including third handle 91, wedge 92 and eighth spring 93, and supporter 1 right front side sliding type is equipped with third handle 91, and third handle 91 bottom is equipped with wedge 92 through the welded mode, and wedge 92 and supporter 1 sliding type cooperation are connected with eighth spring 93 to bilateral symmetry between third handle 91 and the supporter 1.

The second slider 81 moves leftwards to drive the wedge-shaped block 92 to move upwards so as to drive the third handle 91 to move upwards, the eighth spring 93 is stretched, when the second slider 81 can be matched with the wedge-shaped block 92, the wedge-shaped block 92 and the third handle 91 move downwards under the action of the eighth spring 93 so as to clamp the second slider 81, so that when a worker needs to print an outer wall for the second time, the second slider 81 cannot automatically reset to clamp the pressing plate 31 on the right front side, and then whether the pressing plate 31 on the right front side needs to be clamped or not can be manually selected, after printing is finished, the third handle 91 can be pulled upwards to drive the wedge-shaped block 92 to move upwards, so that the second slider 81 resets to clamp the pressing plate 31 on the right front side, the third handle 91 can be loosened, and at the moment, the wedge-shaped block 92 and the third handle 91 move downwards to reset under the action of the eighth spring 93.

Although the present invention has been described in detail with reference to the above embodiments, it will be apparent to those skilled in the art from this disclosure that various changes or modifications can be made herein without departing from the principles and spirit of the invention as defined by the appended claims. Therefore, the detailed description of the disclosed embodiments is to be taken in an illustrative, as opposed to a limiting sense, and the scope of the present invention is defined by the appended claims.

Claims

1. The utility model provides a portable lithography apparatus of outer wall poster for building site, characterized by, including supporter (1), placement mechanism (2), moving mechanism (3), shedding mechanism (4), antiskid cover (5) and whitewash cotton (6), be equipped with placement mechanism (2) on supporter (1), be equipped with two antiskid covers (5) on placement mechanism (2), be equipped with moving mechanism (3) on supporter (1), be equipped with whitewash cotton (6) on moving mechanism (3), be equipped with shedding mechanism (4) on supporter (1).

2. The portable printing equipment of outer wall slogan for construction sites according to claim 1 is characterized in that the placing mechanism (2) comprises a printing plate (21), a first handle (22), a first torsion spring (23), a first clamping block (24) and a first spring (25), the printing plate (21) is placed in the storage rack (1) in a sliding mode, the first handle (22) is arranged on two sides of the storage rack (1) in a rotating mode, the first torsion spring (23) is connected between one side of the first handle (22) and the storage rack (1), the two anti-skid sleeves (5) are connected to the corresponding first handle (22), the first clamping block (24) is arranged on one side of the storage rack (1) in a sliding mode, and the first spring (25) is connected between the first clamping block (24) and the storage rack (1).

3. The portable printing equipment for the exterior wall slogan for the construction site according to claim 2, wherein the moving mechanism (3) comprises a pressing plate (31), a second spring (32), a first spiral wheel (33), a ratchet wheel (34), a ratchet strip (35), a third spring (36), a first sliding block (37) and a fourth spring (38), the pressing plate (31) is symmetrically arranged on two sides of the bottom of the storage rack (1) in a sliding manner, the second spring (32) is connected between the pressing plate (31) and the storage rack (1), the first spiral wheel (33) is rotatably arranged on one side in the storage rack (1), the ratchet wheel (34) is arranged on one side of the first spiral wheel (33), the ratchet strip (35) is slidably arranged on one side of the top of the side pressing plate (31) close to the ratchet wheel (34), the third spring (36) is connected between the ratchet strip (35) and the side pressing plate (31), the first sliding block (37) is slidably arranged on one side in the storage rack (1), the first sliding block (37) is connected with the fourth spring (38), and the first sliding block (37) is slidably arranged on the first spiral wheel (33).

4. A portable printing device for external wall slogans for construction sites according to claim 3, characterized in that the opening mechanism (4) comprises a liquid storage frame (41), a first conduit (42), an extension tube (43) and a second conduit (44), the novel painting brush rack comprises a second spiral wheel (45), a cam (46), a fifth spring (47) and a second clamping block (48), a liquid storage frame (41) is arranged on one side of the rack (1), a first guide pipe (42) is arranged on one side of the liquid storage frame (41), an extension pipe (43) is connected to one end of the first guide pipe (42), a second guide pipe (44) is arranged on one inner side of the rack (1) in a sliding mode, the second guide pipe (44) is matched with the painting cotton (6) in a sliding mode, the second spiral wheel (45) is rotatably arranged on one inner side of the rack (1) close to the second guide pipe (44), the cam (46) is arranged at one end of the second spiral wheel (45) in a welding mode, the second spiral wheel (45) is matched with the second guide pipe (44), the second guide pipe (44) is connected and communicated with the extension pipe (43), the second clamping block (48) is arranged on one inner side of the rack (1) close to the cam (46) in a sliding mode, the second clamping block (48) is matched with the first guide pipe (42) in a sliding mode, and the fifth spring (47) is connected between the second clamping block (48) and the rack (1).

5. The portable printing equipment for the exterior wall slogan for the construction site according to claim 4 is characterized by further comprising a cleaning component (7), wherein the cleaning component (7) comprises a water storage frame (71), a third guide pipe (72), fixing blocks (73), a third clamping block (74), a sixth spring (75), a second torsion spring (76) and a rotating plate (77), the water storage frame (71) is arranged on one side of the storage rack (1), the fixing blocks (73) are symmetrically arranged on one side of the top of the storage rack (1), the fixing blocks (73) are also arranged on the other side of the storage rack (1), the third guide pipe (72) is connected between the fixing blocks (73), the third guide pipe (72) is communicated with the water storage frame (71), the third clamping block (74) is arranged on one side of the storage rack (1) in a sliding mode, the third clamping block (74) is matched with the third guide pipe (72) in a sliding mode, the sixth spring (75) is symmetrically connected between the third clamping block (74) and the storage rack (1), the rotating plate (77) is arranged on one side, the rotating plate (1) close to the rotating block (74), and the second torsion spring (76) is connected between the rotating plate (77).

6. The portable printing equipment of the exterior wall slogan for the construction site according to the claim 5 is characterized by further comprising a buckle component (8), wherein the buckle component (8) comprises a second sliding block (81), a second handle (82) and a seventh spring (83), the second handle (82) is arranged on one side of the commodity shelf (1) in a sliding mode, the seventh spring (83) is connected between the second handle (82) and the commodity shelf (1), and the second sliding block (81) is arranged on one side of the second handle (82).

7. The portable printing equipment of outer wall slogan for building site according to claim 6 is characterized by further comprising an unlocking component (9), wherein the unlocking component (9) comprises a third handle (91), a wedge block (92) and an eighth spring (93), the third handle (91) is arranged on one side of the storage rack (1) in a sliding mode, the wedge block (92) is arranged at the bottom of the third handle (91), the wedge block (92) is in sliding fit with the storage rack (1), and the eighth spring (93) is symmetrically connected between the third handle (91) and the storage rack (1).

8. A portable printer for exterior wall slogans for construction sites according to claim 6, wherein the second handle (82) is T-shaped.