CN117020802A - Spraying device with pretreatment equipment for billboard processing - Google Patents

Abstract

The invention discloses a spraying device for billboard processing with pretreatment equipment. A conveyor belt mechanism is provided inside the installation frame. A first installation frame is provided above the installation frame, and a first installation frame is provided inside the installation frame. There is a pretreatment grinding mechanism and a pretreatment cleaning mechanism. The first mounting frame is provided with a second mounting frame on the side close to the pretreatment cleaning mechanism, and a pretreatment impurity absorbing mechanism is provided inside the second mounting frame. The second mounting frame A spraying mechanism is provided on one side of the frame. This spraying device for billboard processing with pretreatment equipment is used to solve the problem that some existing billboard spraying devices cannot pretreat billboards. A first installation frame is provided above the installation frame, and A pretreatment grinding mechanism and a pretreatment cleaning mechanism are provided inside the first installation frame. A second installation frame is provided on the side of the first installation frame close to the pretreatment cleaning mechanism, and a pretreatment impurity absorbing mechanism is provided inside the second installation frame.

Description

A spraying device for billboard processing with pretreatment equipment

Technical field

The present invention relates to the technical field of spraying devices, specifically a spraying device with pretreatment equipment for billboard processing.

Background technique

Advertising is a way of promoting something or something. With the development of society, advertising has been integrated into life and can be seen everywhere. At present, there are many types of advertisements, including hand-drawn, computer-made, paper printing, etc. There are commercial advertisements and public service advertisements, but most advertisements are inseparable from the carrier they rely on: billboards, which are manufactured after the After that, the surface needs to be sprayed. Before spraying, the billboard needs to be pre-treated to prevent burrs on the surface of the billboard or other impurities that will affect the later spraying effect. Some existing billboard spraying devices cannot spray the billboard. Therefore, a spraying device for billboard processing with pretreatment equipment is proposed.

Contents of the invention

The object of the present invention is to provide a spraying device for billboard processing with pretreatment equipment to solve the problem that some existing billboard spraying devices proposed in the above background art cannot pretreat billboards.

In order to achieve the above object, the present invention provides the following technical solution: a spraying device for billboard processing with pretreatment equipment, including an installation frame. A conveyor belt mechanism is provided inside the installation frame, and a limited position is provided on the surface of the conveyor belt mechanism. mechanism, a first installation frame is provided above the installation frame, and a pretreatment grinding mechanism and a pretreatment cleaning mechanism are provided inside the first installation frame. A second installation frame is provided on the side of the first installation frame close to the pretreatment cleaning mechanism. The second mounting frame is equipped with a pretreatment and impurity absorbing mechanism, and a spraying mechanism is provided on one side of the second installation frame; the pretreatment and grinding mechanism includes a mounting groove, and an electric threaded rod mechanism is provided inside the mounting groove. , the outer side of the electric threaded rod mechanism is connected to the moving block, and the bottom of the moving block is connected to the first electric telescopic rod through the first installation plate, the output end of the first electric telescopic rod is equipped with a second installation plate, and the third A pressure detection sensor is installed at the corner of the lower surface of the second installation plate, a third installation plate is installed at the bottom of the pressure detection sensor, and a grinding roller mechanism is provided at the bottom of the third installation plate; the pretreatment cleaning mechanism includes a first motor, and The output end of the first motor is connected to the first gear provided at the top of the inner side of the first mounting frame. The first gear meshes with the second gears provided on both sides, and a first threaded rod is connected to the inner side of the second gear. The outer side of the first threaded rod is connected to the threaded sleeve, and the bottom of the threaded sleeve is connected through a fourth mounting plate. A roller brush mechanism is installed below the fourth mounting plate; the pretreatment impurity collection mechanism includes a suction cover, The top of the suction hood is connected to the inner top of the second mounting bracket through a symmetrically arranged second electric telescopic rod. The top of the suction hood is connected to the suction pipe through a telescopic tube, and the other end of the suction pipe is connected to the second mounting bracket. The filter box is connected to the filter box installed on the top of the frame. There are two sets of filter plates inside the filter box, and an anti-blocking mechanism used in conjunction with the filter plate is provided inside the filter box. The other end of the filter box is connected to the suction machine through a trachea. Connection, the bottom of the filter box is provided with a garbage outlet, and the garbage outlet is connected to the garbage inlet of the garbage collection box, and the garbage collection box and the filter box are detachably connected.

Preferably, a controller and a display are provided outside the mounting frame.

Through the above technical solution: it is convenient to control the equipment.

Preferably, an electromagnetic inductor is provided inside the conveyor belt mechanism, and an electromagnetic code post used in conjunction with the electromagnetic inductor is provided at the center of the installation slot. The electromagnetic inductor is located inside the limiting mechanism.

Through the above technical solution: it is easy to understand the moving position of the billboard.

Preferably, the limiting mechanism includes two sets of symmetrically arranged limiting plate mechanisms. The limiting plate mechanism includes a sleeve, and a second motor is provided outside the sleeve. The output end of the second motor is connected to the inside of the sleeve. The second threaded rod is connected to each other, and a threaded column is connected to the outside of the second threaded rod. The threaded column is slidingly connected to the sleeve, and one end of the threaded column penetrates to the outside of the sleeve and is connected to the limiting plate.

Through the above technical solution: it is convenient to limit the position of the billboard.

Preferably, a first limiting rod slidingly connected with the moving block is provided inside the installation groove.

Through the above technical solution, it is convenient to limit the moving direction of the moving block.

Preferably, the grinding roller mechanism includes a grinding roller, and the grinding roller is located inside the first vertical plate. One end of the grinding roller is connected to a third motor provided outside the first vertical plate.

Through the above technical solution: it is convenient to polish the billboard.

Preferably, a sleeve limiting plate slidably connected to the threaded sleeve is provided inside the first mounting frame.

Through the above technical solution, it is convenient to limit the moving direction of the threaded sleeve.

Preferably, the roller brush mechanism includes a roller brush, and the roller brush is located inside the second vertical plate. One end of the roller brush is connected to a fourth motor provided outside the second vertical plate.

Through the above technical solution, it is easy to clean the debris.

Preferably, the anti-blocking mechanism includes a fifth motor, and the output end of the fifth motor is connected to a double-slot driving wheel provided inside the protective cover. The double-slot driving wheel is connected to the driven wheels provided on both sides through a transmission belt. And the inner side of the driven wheel is connected to the third threaded rod, one end of the third threaded rod penetrates into the inside of the filter box, and the outer side of the third threaded rod is connected to the cleaning rod brush through the connecting block, and the cleaning rod brush is close to the filter plate One side of the suction pipe is in contact, and a second limiting rod slidingly connected to the connecting block is provided inside the filter box.

Through the above technical solution: it is easy to clean the filter plate.

Compared with the prior art, the beneficial effects of the present invention are: the spraying device for billboard processing with pretreatment equipment,

(1) In order to solve the problem that some existing billboard spraying devices cannot pre-process billboards, this device provides a first installation frame above the installation frame, and a pre-treatment and grinding mechanism is provided inside the first installation frame. As well as a pre-treatment cleaning mechanism, a second installation frame is provided on the side of the first installation frame close to the pre-treatment cleaning mechanism, and a pre-treatment suction mechanism is provided inside the second installation frame. The billboard is placed above the conveyor belt mechanism. When the billboard Move below the pretreatment grinding mechanism, the pretreatment grinding mechanism can polish the billboard. When the billboard moves below the pretreatment grinding mechanism and below the pretreatment cleaning mechanism, the pretreatment cleaning mechanism can clean the debris generated by grinding. The billboard moves under the pre-treatment suction mechanism, which can absorb and collect the cleaned debris.

(2) In order to solve the problem that the billboard may move during operation, this device sets a limit mechanism on the surface of the conveyor belt mechanism and places the billboard inside the limit mechanism. The limit mechanism can adjust the position of the billboard to a certain extent. restrictions.

(3) In order to solve the problem of being unable to understand the depth of the billboard polished by the pretreatment grinding mechanism, this device installs a pressure detection sensor at the corner of the lower surface of the second installation plate, and a third installation plate is installed at the bottom of the pressure detection sensor. , and a grinding roller mechanism is provided at the bottom of the third mounting plate. The pressure detection sensor can be used to understand the degree of contact between the grinding roller mechanism and the surface of the billboard, thereby knowing the depth after grinding.

(4) This device solves the problem of clogging of the filter plate in the pretreatment gettering mechanism due to long-term use. An anti-clogging mechanism is installed inside the filter box to cooperate with the filter plate. The anti-clogging mechanism can clean the filter plate. , thereby preventing it from clogging.

Description of the drawings

Figure 1 is a schematic diagram of the overall front cross-sectional structure of the present invention;

Figure 2 is a schematic structural diagram of the limiting mechanism of the present invention;

Figure 3 is a schematic structural diagram of the limiting plate mechanism of the present invention;

Figure 4 is a schematic front cross-sectional structural diagram of the pretreatment and grinding mechanism of the present invention;

Figure 5 is a side sectional structural schematic diagram of the pretreatment and grinding mechanism of the present invention;

Figure 6 is a schematic structural diagram of the pretreatment cleaning mechanism of the present invention;

Figure 7 is a schematic structural diagram of the roller brush mechanism of the present invention;

Figure 8 is a schematic structural diagram of the pretreatment gettering mechanism of the present invention;

Figure 9 is a schematic structural diagram of the anti-blocking mechanism of the present invention.

In the picture: 1. Installation rack; 101. Controller; 102. Display; 2. Conveyor belt mechanism; 201. Electromagnetic sensor; 202. Electromagnetic code column; 3. Limiting mechanism; 301. Limiting plate mechanism; 3011. Sleeve; 3012, second motor; 3013, second threaded rod; 3014, threaded column; 3015, limit plate; 4, first mounting bracket; 5, pretreatment grinding mechanism; 501, mounting slot; 502, electric thread Rod mechanism; 503. Moving block; 504. First electric telescopic rod; 505. Second mounting plate; 506. Pressure detection sensor; 507. Third mounting plate; 508. Grinding roller mechanism; 5081. Grinding roller; 5082. One vertical plate; 5083, third motor; 6, pretreatment cleaning mechanism; 601, first motor; 602, first gear; 603, second gear; 604, first threaded rod; 605, threaded sleeve; 6051, Sleeve limit plate; 606, fourth installation plate; 607, roller brush mechanism; 6071, roller brush; 6072, second vertical plate; 6073, fourth motor; 7, second installation frame; 8, pretreatment impurity absorption Mechanism; 801, suction cover; 802, second electric telescopic rod; 803, telescopic tube; 804, suction pipe; 805, filter box; 8051, filter plate; 806, anti-blocking mechanism; 8061, fifth motor; 8062 , protective cover; 8063, transmission belt; 8064, third threaded rod; 8065, cleaning rod brush; 8066, second limit rod; 807, suction machine; 808, collection box; 9, spraying mechanism.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

Please refer to Figures 1-9. The present invention provides a technical solution: a spraying device for billboard processing with pretreatment equipment. As shown in Figures 1-3, a conveyor belt mechanism 2 is provided inside the installation frame 1, and The conveyor belt mechanism 2 is provided with a limiting mechanism 3 on its surface.

In a further embodiment, a controller 101 and a display 102 are provided outside the installation frame 1 .

Specifically, the limiting mechanism 3 includes two sets of symmetrically arranged limiting plate mechanisms 301. The limiting plate mechanism 301 includes a sleeve 3011. The bottom of the sleeve 3011 is connected to the surface of the conveyor belt mechanism 2, and a second mechanism is provided on the outside of the sleeve 3011. Motor 3012, the output end of the second motor 3012 is connected to the second threaded rod 3013 provided inside the sleeve 3011, and a threaded column 3014 is connected to the outside of the second threaded rod 3013. The threaded column 3014 is slidingly connected to the sleeve 3011, and the threaded column One end of 3014 penetrates to the outside of the sleeve 3011 and is connected to the limiting plate 3015.

When the position of the billboard needs to be limited, the billboard is placed inside the limiting mechanism 3. After the placement is completed, the second motor 3012 is turned on. The second motor 3012 drives the second threaded rod 3013 to rotate, and the second threaded rod 3013 rotates. The threaded column 3014 moves under the action of the force, thereby driving the limit plate 3015 to move. When the limit plates 3015 on both sides are in close contact with the outside of the billboard, the position of the billboard can be limited to a certain extent.

As shown in Figures 1 and 4-7, a first installation frame 4 is provided above the installation frame 1, and a pretreatment grinding mechanism 5 and a pretreatment cleaning mechanism 6 are provided inside the first installation frame 4.

In a further embodiment, door films can be provided at both ends of the first mounting bracket 4 to keep the first mounting bracket 4 in a relatively sealed state without affecting the movement of the billboard, thereby preventing flying debris caused by grinding.

Specifically, the pretreatment grinding mechanism 5 includes an installation slot 501, and an electric threaded rod mechanism 502 is provided inside the installation slot 501. The outside of the electric threaded rod mechanism 502 is connected to the moving block 503, and the bottom of the moving block 503 is connected to the first installation plate through the first installation plate. The first electric telescopic rod 504 is connected. A second installation plate 505 is installed at the output end of the first electric telescopic rod 504. A pressure detection sensor 506 is installed at the corner of the lower surface of the second installation plate 505. A third pressure detection sensor 506 is installed at the bottom. There are three mounting plates 507, and a grinding roller mechanism 508 is provided at the bottom of the third mounting plate 507.

In a further embodiment, an electromagnetic sensor 201 is provided inside the conveyor belt mechanism 2, and an electromagnetic code post 202 used in conjunction with the electromagnetic sensor 201 is provided at the center of the installation slot 501. The electromagnetic sensor 201 is located inside the limiting mechanism 3. When the center position of the billboard is placed directly above the electromagnetic sensor 201, when the center position of the billboard moves to directly below the center position of the installation slot 501, the signal is transmitted to the inside of the controller 101, and the controller 101 controls the conveyor belt mechanism 2 to stop transmission. , which facilitates the pretreatment and polishing mechanism 5 to polish the billboard.

In a further embodiment, a first limiting rod slidingly connected with the moving block 503 is provided inside the installation groove 501 to facilitate limiting the moving direction of the moving block 503 .

Specifically, the grinding roller mechanism 508 includes a grinding roller 5081, and the grinding roller 5081 is located inside the first vertical plate 5082. One end of the grinding roller 5081 is connected to the third motor 5083 provided outside the first vertical plate 5082.

When the billboard needs to be polished, the first electric telescopic rod 504 is turned on, and the second mounting plate 505, the third mounting plate 507 and the grinding roller mechanism 508 move downward under the action of the first electric telescopic rod 504. When the grinding roller 5081 and When the billboard surfaces are in contact, the third installation plate 507 exerts pressure on the pressure detection sensor 506. The detection value of the pressure detection sensor 506 can be viewed through the display 102. Through the detection value of the pressure detection sensor 506, it can be understood that the polishing roller 5081 is in contact with the billboard surface. degree, so as to understand the depth after polishing. After adjusting to the appropriate depth, turn on the electric threaded rod mechanism 502 and the third motor 5083. The third motor 5083 can drive the grinding roller 5081 to rotate and polish, and the electric threaded rod mechanism 502 can pass The moving block 503, the first electric telescopic rod 504, the second mounting plate 505, the pressure detection sensor 506 and the third mounting plate 507 drive the grinding roller 5081 to move, thereby grinding various positions of the billboard.

Specifically, the pretreatment cleaning mechanism 6 includes a first motor 601, and the output end of the first motor 601 is connected to the first gear 602 provided at the top of the inside of the first mounting bracket 4. The first gear 602 is connected to the second gears provided on both sides. 603 meshes with each other, and the first threaded rod 604 is connected to the inner side of the second gear 603, the outer side of the first threaded rod 604 is connected to the threaded sleeve 605, and the bottom of the threaded sleeve 605 is connected through the fourth mounting plate 606. The fourth installation A roller brush mechanism 607 is installed below the plate 606;

In a further embodiment, a sleeve limiting plate 6051 is provided inside the first mounting bracket 4 and is slidably connected to the threaded sleeve 605. The sleeve limiting plate 6051 can limit the moving direction of the threaded sleeve 605.

Specifically, the roller brush mechanism 607 includes a roller brush 6071, and the roller brush 6071 is located inside the second vertical plate 6072. One end of the roller brush 6071 is connected to the fourth motor 6073 provided outside the second vertical plate 6072.

After the billboard is polished, the billboard moves under the roller brush 6071 under the action of the conveyor belt mechanism 2. The fourth motor 6073 can drive the roller brush 6071 to rotate and scrub the surface of the billboard to prevent debris from adhering to the surface of the billboard. When the height of the roller brush 6071 needs to be adjusted, the first motor 601 is turned on. The first motor 601 drives the second gear 603 and the first threaded rod 604 to rotate through the first gear 602. Under the action of the rotation of the first threaded rod 604, the thread The sleeve 605 moves, thereby driving the height of the roller brush 6071 to change through the fourth mounting plate 606 .

As shown in Figures 1 and 8-9, a second installation frame 7 is provided on the side of the first installation frame 4 close to the pretreatment cleaning mechanism 6, and a pretreatment gettering mechanism 8 is provided inside the second installation frame 7. A spraying mechanism 9 is provided on one side of the mounting frame 7 .

Specifically, the pretreatment gettering mechanism 8 includes a suction hood 801, and the top of the suction hood 801 is connected to the inner top of the second mounting bracket 7 through a symmetrically arranged second electric telescopic rod 802, and the top of the suction hood 801 is connected through a telescopic tube. 803 is connected to the suction pipe 804, and the other end of the suction pipe 804 is connected to the filter box 805 provided on the top of the second mounting frame 7. The filter box 805 is provided with two sets of filter plates 8051 inside, and the filter box 805 is provided with The anti-blocking mechanism 806 is used in conjunction with the filter plate 8051. The other end of the filter box 805 is connected to the suction machine 807 through the air pipe. The collection box 808 and the filter box 805 are detachably connected.

In a further embodiment, the anti-blocking mechanism 806 includes a fifth motor 8061, and the output end of the fifth motor 8061 is connected to a double-slot driving wheel provided inside the protective cover 8062. The double-slot driving wheel is connected to the slaves provided on both sides through a transmission belt 8063. The driving wheel is connected, and the inner side of the driven wheel is connected to the third threaded rod 8064. One end of the third threaded rod 8064 penetrates into the filter box 805, and the outside of the third threaded rod 8064 is connected to the cleaning rod brush 8065 through the connecting block. The cleaning rod The brush 8065 is in contact with the side of the filter plate 8051 close to the suction pipe 804, and a second limiting rod 8066 is provided inside the filter box 805 and is slidably connected to the connection block.

After the billboard is scrubbed, it moves to the bottom of the suction cover 801 under the action of the conveyor belt mechanism 2. Under the action of the suction machine 807, the surface debris of the billboard passes through the suction cover 801, telescopic tube 803, and suction tube 804 in sequence. Finally, it enters the filter box 805 and is intercepted by the filter plate 8051, and finally falls into the collection box 808 for collection. The height of the suction cover 801 can be adjusted through the second electric telescopic rod 802. When the filter plate 8051 is blocked, the fifth motor is turned on. 8061. Under the action of the fifth motor 8061, the double-slot driving wheel rotates, thereby driving the driven wheel and the third threaded rod 8064 to rotate through the transmission belt 8063. Under the action of the rotation of the third threaded rod 8064, the connecting block drives the cleaning rod brush 8065 Move, and the filter plate 8051 is brushed under the action of the movement of the cleaning rod brush 8065, thereby clearing the blockage.

The terms "center", "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the drawings. It is only a simplified description to facilitate the description of the present invention, and does not indicate or imply that the device or element referred to must have a specific orientation. , is a specific orientation structure and operation, and therefore cannot be understood as a limitation on the protection content of the present invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (9)

1. A spraying device for billboard processing with pretreatment equipment, including an installation frame (1), a conveyor belt mechanism (2) is provided inside the installation frame (1), and the conveyor belt mechanism (2) is provided on the surface The limiting mechanism (3) is characterized in that: a first mounting frame (4) is provided above the mounting frame (1), and a pretreatment and grinding mechanism (5) and a pretreatment grinding mechanism (5) are provided inside the first mounting frame (4). Processing and cleaning mechanism (6), the first mounting frame (4) is provided with a second mounting frame (7) on the side close to the pretreatment cleaning mechanism (6), and a pretreatment suction device is provided inside the second mounting frame (7). Miscellaneous mechanism (8), a spraying mechanism (9) is provided on one side of the second mounting frame (7); The pretreatment grinding mechanism (5) includes an installation groove (501), and an electric threaded rod mechanism (502) is provided inside the installation groove (501). The outside of the electric threaded rod mechanism (502) is opposite to the moving block (503). connected, and the bottom of the moving block (503) is connected to the first electric telescopic rod (504) through the first installation plate, the output end of the first electric telescopic rod (504) is equipped with a second installation plate (505), and the A pressure detection sensor (506) is installed at the corner of the lower surface of the second installation plate (505). A third installation plate (507) is installed at the bottom of the pressure detection sensor (506), and the bottom of the third installation plate (507) is provided with a polished Roller mechanism (508); The pretreatment cleaning mechanism (6) includes a first motor (601), and the output end of the first motor (601) is connected to the first gear (602) provided on the inside top of the first mounting bracket (4). A gear (602) meshes with a second gear (603) provided on both sides, and a first threaded rod (604) is connected to the inner side of the second gear (603), and the outer side of the first threaded rod (604) is connected to a threaded sleeve. The barrel (605) is connected, and the bottom of the threaded sleeve (605) is connected through the fourth mounting plate (606), and a roller brush mechanism (607) is installed below the fourth mounting plate (606); The pretreatment gettering mechanism (8) includes a suction hood (801), and the top of the suction hood (801) is connected to the inner top of the second mounting bracket (7) through a symmetrically arranged second electric telescopic rod (802). , the top of the suction hood (801) is connected to the suction pipe (804) through the telescopic tube (803), and the other end of the suction pipe (804) is connected to the filter box (805) provided on the top of the second mounting frame (7) ) are connected to each other, the filter box (805) is provided with two sets of filter plates (8051), and the filter box (805) is provided with an anti-blocking mechanism (806) used in conjunction with the filter plates (8051). The other end of the box (805) is connected to the suction machine (807) through a trachea. There is a trash outlet at the bottom of the filter box (805), and the trash outlet is connected to the trash inlet of the trash collection box (808), so The collection box (808) and the filter box (805) are detachably connected. 2. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: a controller (101) and a display (102) are provided outside the installation frame (1). 3. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: an electromagnetic inductor (201) is provided inside the conveyor belt mechanism (2), and an installation slot (501 ) is provided at the center with an electromagnetic code post (202) used in conjunction with an electromagnetic sensor (201). The electromagnetic sensor (201) is located inside the limiting mechanism (3). 4. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the limiting mechanism (3) includes two sets of symmetrically arranged limiting plate mechanisms (301), The limiting plate mechanism (301) includes a sleeve (3011), and a second motor (3012) is provided outside the sleeve (3011). The output end of the second motor (3012) is arranged inside the sleeve (3011). The second threaded rod (3013) is connected, and a threaded column (3014) is connected to the outside of the second threaded rod (3013). The threaded column (3014) is slidingly connected to the sleeve (3011), and the threaded column (3014) One end penetrates to the outside of the sleeve (3011) and is connected to the limiting plate (3015). 5. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the installation groove (501) is provided with a first limiter slidingly connected with the moving block (503). Position pole. 6. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the grinding roller mechanism (508) includes a grinding roller (5081), and the grinding roller (5081) is located Inside the first vertical plate (5082), one end of the grinding roller (5081) is connected to the third motor (5083) provided outside the first vertical plate (5082). 7. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the first mounting frame (4) is provided with a sliding connection with the threaded sleeve (605). Sleeve limit plate (6051). 8. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the roller brush mechanism (607) includes a roller brush (6071), and the roller brush (6071) is located Inside the second vertical plate (6072), one end of the roller brush (6071) is connected to the fourth motor (6073) provided outside the second vertical plate (6072). 9. A spraying device for billboard processing with pretreatment equipment according to claim 1, characterized in that: the anti-blocking mechanism (806) includes a fifth motor (8061), and the fifth motor (8061 ) The output end is connected to the double-slot driving wheel provided inside the protective cover (8062). The double-slot driving wheel is connected to the driven wheels provided on both sides through the transmission belt (8063), and the inner side of the driven wheel is connected to the third threaded rod ( 8064), one end of the third threaded rod (8064) penetrates into the filter box (805), and the outside of the third threaded rod (8064) is connected to the cleaning rod brush (8065) through a connecting block. The cleaning rod The brush (8065) is in contact with the side of the filter plate (8051) close to the suction pipe (804), and a second limiting rod (8066) is provided inside the filter box (805) and is slidably connected to the connecting block.