CN115921186A - Metal panel antirust spraying line and spraying process - Google Patents

Abstract

The invention relates to the technical field of antirust spraying lines, in particular to an antirust spraying line and a spraying process for a metal panel. According to the invention, the rotating shaft is driven to rotate by the external driving mechanism so as to drive the driving wheel at the same side to rotate, so that the belt can be driven to rotate, the metal panel to be sprayed can be transmitted by the belt to rotate, the two water supply hoses of the external water supply device are respectively and tightly sleeved with the two water inlet pipes, the metal panels with different thicknesses can be cleaned before spraying by the matching of the two moving assemblies and the scrubbing assembly, the scrubbed metal panel can be dried by the drying mechanism, the liquid supply pipe of the external liquid supply device is tightly sleeved with the feed pipe, and the metal panel can be sprayed by the spraying mechanism so as to achieve an antirust effect.

Description

A metal panel anti-rust spraying line and spraying process

technical field

The invention relates to the technical field of an antirust spraying line, in particular to a metal panel antirust spraying line and a spraying process.

Background technique

Metal panel is a new type of panel used in wardrobes, cabinets and all kinds of metal sheet furniture. Compared with traditional wooden panels, wardrobes, cabinets and all kinds of metal sheet furniture made of metal panels have good strength. It needs anti-rust spraying before leaving the factory, and the anti-rust spraying needs to be carried out on the anti-rust spraying line.

The patent with the publication number CN217963136U discloses a kind of antirust spraying equipment for electromechanical equipment accessories processing, including a base, a support frame is installed on the top of the base, a forward and reverse motor is installed on the top of the support frame, and the output shaft of the forward and reverse motor is installed There is a threaded rod, the external thread of the threaded rod is connected with the lifting frame, the inside of the lifting frame is provided with a threaded hole, one side of the lifting frame is installed with a spray gun, one side of the spray gun is fixed with an air nozzle, and the top of the base is installed with a protective shell A motor is installed inside the protective shell, the output end of the motor is connected with a rotating disk, the top of the base is fixed with a guide rod, the top of the lifting frame is provided with a guide hole, and the lifting frame is slidably sleeved on the outside of the guide rod through the guide hole.

Although the equipment is convenient to adjust the height of the spray gun, can paint the electromechanical equipment accessories up and down, and can drive the electromechanical equipment accessories to rotate, so that the surroundings of the electromechanical equipment accessories can be fully painted and the convenience and efficiency of painting can be improved. The anti-rust spraying equipment is not equipped with a cleaning structure, and the metal panel cannot be cleaned before spraying. Impurities such as dust on the surface of the metal panel may affect the quality of the spraying.

Contents of the invention

The purpose of the present invention is to provide a metal panel antirust spraying line and spraying process to solve the problem that the antirust spraying equipment proposed in the above background technology is not provided with a cleaning structure, and the metal panel cannot be cleaned before spraying. Dust and other impurities may affect the quality of spraying.

In order to achieve the above object, one of the objects of the present invention is to provide a metal panel antirust spraying line, which includes a working board with grooves on the left and right sides, a number of support legs fixed on the bottom of the working board, The two driving wheels that are rotationally connected to the inner walls of the front and rear sides of the groove on the same side are connected by the rotating roller, and the two rotating rollers are connected by a belt transmission. a through hole, one side of the working plate is provided with a rotating shaft that passes through the through hole and is coaxially fixed with the same side roller, and also includes:

The cleaning mechanism is set on the top surface of the working plate close to the left end, and is used to clean the metal panel to be sprayed before spraying;

Two drying mechanisms are arranged on the top surface of the working board and on the right side of the cleaning mechanism, one of which is used to dry the cleaned metal panels, and the other is used to dry the metal panels after spraying metal panels for drying;

The spraying mechanism is arranged on the top surface of the working plate and between the two drying mechanisms, and is used for spraying the metal panel.

Preferably, the cleaning mechanism includes two moving assemblies fixed on the top surface of the working plate near the left end and located on the front and rear sides of the belt, and a brushing assembly between the two moving assemblies. And a vertical plate with a chute on the surface near the belt side, a motor fixed on the top surface of the working plate and located between the vertical plate and the belt, a screw connected coaxially with the output shaft of the motor, a moving block threaded with the screw, The slider fixed on the outer wall of the moving block and slidably connected with the chute, the fixed plate fixed on the outer wall of the vertical plate and connected with the screw in rotation, the moving assembly also includes a water box fixed on the right side surface of the vertical plate, a fixed The water inlet pipe on the top of the water box and communicated with the inside of the water box, the water spray nozzle fixed on the surface of the water box near the belt side and communicated with the inside of the water box, and the brush assembly includes two moving blocks A scrubbing roller, several hairbrushes fixed on the outer wall of the scrubbing roller, the front and rear surfaces of the scrubbing roller are all coaxially fixed with rotating rods that are rotatably connected to the moving block on the same side through bearings.

Preferably, the drying mechanism includes two first vertical rods fixed on the top surface of the working board and located on the front and rear sides of the belt, a first horizontal plate fixed on the top of the two first vertical rods, a first horizontal plate fixed on the top of the first horizontal plate The top end of the air intake pipe communicates with its interior, and the bottom end of the first horizontal plate is fixed with several air outlet funnels arranged in a linear and equidistant manner and communicated with its interior.

Preferably, the spraying mechanism includes two second vertical rods fixed on the top surface of the working board and located on the front and rear sides of the belt, a second horizontal plate fixed on the top of the second vertical rod, fixed on the top of the second horizontal plate and connected with The inside is connected to the feed pipe, and the bottom end of the second horizontal plate is fixed with several spray nozzles arranged in a linear and equidistant manner and connected to the inside.

Preferably, the two motors are connected in series to the same control circuit, the shape of the chute is I-shaped, and the shape of the slider is I-shaped matching the shape of the chute.

Preferably, the brushes on the outer wall of the scrubbing roller are arranged in a ring at equal intervals, and the distance between the two water spray nozzles is adapted to the width of the belt.

Preferably, sealing rings are provided at the parts where the water inlet pipe and the water spray nozzle are in contact with the water box, and sealing rings are provided at the parts where the air inlet pipe and the air outlet funnel are in contact with the first horizontal plate. Sealing rings are also provided at the parts where the pipe, the spray nozzle and the second horizontal plate are in contact.

The second object of the present invention is to provide a metal panel antirust spraying process, including the above-mentioned metal panel antirust spraying line, and the specific spraying process includes the following steps:

S1. Firstly, the rotating shaft is driven by an external drive mechanism. The rotating shaft can drive the driving wheel on the same side to rotate, thereby driving the belt to rotate. Then, the two motors are started through the external PLC, and the output shaft of the motor rotates to drive the coaxially connected screw to rotate. The rotation of the screw drives the movement of the moving block, and the moving block moves under the guidance of the slider on the same side. The movement of the two moving blocks drives the movement of the two rotating rods, and the movement of the two rotating rods drives the movement of the scrubbing roller and several brushes. When the bottom When the distance between the end brush and the belt matches the thickness of the metal panel, the two motors are turned off by an external PLC;

S2. Connect the two water supply hoses of the external water supply device tightly with the two water inlet pipes, respectively connect the two air supply pipes of the external heating The liquid supply pipe is tightly connected with the feed pipe, and the external water supply device is activated through the external PLC. The external water supply device transports water from the water supply hose to the water inlet pipe tightly connected to it. The water entering the water inlet pipe then enters the water flow box And it is sprayed by the water spray nozzle. When the external water supply device is turned on, the metal panel is placed on the top surface of the belt near the left end. Through the transmission of the belt, the metal panel can be brushed by several brushes when passing the bottom of the brush roller, and The scrubbing roller will rotate under the action of force, and several brushes can scrub the metal panel. When the brushed part of the metal panel passes through the position between the two water spray nozzles, the metal panel can be rinsed clean;

S3. After the metal panel is washed clean, start the external heating air supply device through the external PLC. The external heating air supply device sends the hot air from the two air supply pipes to the inside of the two intake pipes respectively. The hot air entering the intake pipe then enters the second air intake pipe on the same side Inside a horizontal plate and discharged by several air outlet funnels, when the metal panel passes through the drying mechanism on the left, it can be dried, and then the external antirust liquid supply device is activated through the external PLC, and the external antirust liquid supply device will prevent rust The liquid is transported from the liquid supply pipe to the inside of the feed pipe, and the antirust liquid entering the feed pipe then enters the second horizontal plate and is sprayed out by several spray nozzles. When the metal panel passes through the spraying mechanism, it can be sprayed , when the metal panel passes through the drying mechanism on the right, the antirust liquid on its surface can be dried, thus completing the antirust spraying of the metal panel.

Compared with prior art, the beneficial effect of the present invention is:

1. The present invention is provided with a working plate, several supporting legs, two driving wheels, two rotating rollers, a rotating shaft, a cleaning mechanism, two drying mechanisms, and a spraying mechanism. The cleaning mechanism includes two moving components and a brushing component. The rotation of the rotating shaft driven by the external drive mechanism can drive the drive wheel on the same side to rotate, thereby driving the belt to rotate. The rotation of the belt can transmit the metal panel to be sprayed, and the two water supply hoses of the external water supply device are tightly fitted with the two water inlet pipes. Connected, through the cooperation of the two moving components and the brushing component, metal panels of different thicknesses can be cleaned before spraying, and the brushed metal panels can be dried through the drying mechanism on the left, and the external liquid supply device The liquid supply pipe and the feed pipe are tightly socketed, and the metal panel can be sprayed to achieve the anti-rust effect through the spraying mechanism, and the sprayed metal panel can be quickly dried through the drying mechanism on the right;

2. In the present invention, several brushes on the outer wall of the scrubbing roller are arranged in a circular and equidistant arrangement, and the distance between the two water spray nozzles is adapted to the width of the belt, so that the brushing effect of several brushes can be improved. Well, it can also make the cleaning of the two sprinkler heads better.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the present invention;

Fig. 2 is a partial exploded view among the present invention;

Fig. 3 is the overall structure schematic diagram of cleaning mechanism in the present invention;

Figure 4 is an exploded view of the brush assembly in the present invention;

Fig. 5 is the enlarged view of A place among the present invention;

Figure 6 is an exploded view of the moving assembly in the present invention;

Fig. 7 is the sectional view of neutral plate of the present invention;

Figure 8 is an exploded view of the drying mechanism in the present invention;

Fig. 9 is an exploded view of the spraying mechanism in the present invention.

The meaning of each label in the figure is:

1. Working board; 101. Groove; 2. Supporting leg; 3. Driving wheel; 4. Roller; 5. Rotating shaft; 6. Cleaning mechanism; 61. Moving component; , motor; 613, screw rod; 614, moving block; 615, fixed plate; 616, slider; 617, water box; 618, water inlet pipe; 619, water spray nozzle; , rotating rod; 623, bearing; 624, brush; 7, drying mechanism; 71, first vertical rod; 72, first horizontal plate; 73, air intake pipe; 74, air outlet funnel; 8, spraying mechanism; 81 , the second vertical rod; 82, the second horizontal plate; 83, the feed pipe; 84, the spray nozzle; 9, the belt.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Please refer to Figures 1-9, the present invention provides a technical solution: a metal panel antirust spraying line, including a working board 1 with grooves 101 on the left and right sides, and several supports fixed at the bottom of the working board 1 Leg 2, two drive wheels 3 that are connected to the inner walls of the front and rear sides of the groove 101 on the same side through the roller 4 respectively, and are connected by a belt 9 between the two rollers 4. A through hole connected to the groove 101 on the same side. One side of the working plate 1 is provided with a rotating shaft 5 that runs through the through hole and is coaxially fixed with the rotating roller 4 on the same side. It also includes:

The cleaning mechanism 6 is arranged on the top surface of the working plate 1 near the left end, and is used for cleaning the metal panel to be sprayed before spraying;

Two drying mechanisms 7 are arranged on the top surface of the working board 1 and on the right side of the cleaning mechanism 6, one of which is used to dry the cleaned metal panel, and the other drying mechanism 7 is used to spray The final metal panel is dried;

The spraying mechanism 8 is arranged on the top surface of the working board 1 and between the two drying mechanisms 7, and is used for spraying the metal panel.

In this embodiment, the cleaning mechanism 6 includes two moving assemblies 61 fixed on the top surface of the working plate 1 near the left end and located on the front and rear sides of the belt 9 and a brushing assembly 62 between the two moving assemblies 61. The moving assembly 61 includes a fixed The vertical plate 611 that is provided with chute 61101 on the top surface of the working plate 1 and is close to the side surface of the belt 9, the motor 612 that is fixed on the top surface of the working plate 1 and is located between the vertical plate 611 and the belt 9, and the output shaft of the motor 612 The screw rod 613 connected coaxially, the moving block 614 threadedly connected with the screw rod 613, the slider 616 fixed on the outer wall of the moving block 614 and slidingly connected with the chute 61101, the sliding block 616 fixed on the outer wall of the vertical plate 611 and rotatably connected with the screw rod 613 The fixed plate 615, the moving assembly 61 also includes a water box 617 fixed on the right side surface of the vertical plate 611, a water inlet pipe 618 fixed on the top of the water box 617 and communicated with the inside of the water box 617, fixed on the water box 617 close to The surface of one side of the belt 9 and the water spray nozzle 619 communicated with the inside of the water box 617, the brush assembly 62 includes a brush roller 621 between the two moving blocks 614, several brushes 624 fixed on the outer wall of the brush roller 621, The front and rear sides of the scrubbing roller 621 are all coaxially fixed with a rotating rod 622 that is rotatably connected to the same-side moving block 614 through a bearing 623, and the rotation of the rotating shaft 5 driven by an external drive mechanism can drive the same-side drive wheel 3 to rotate, thereby driving the belt. 9 rotation, the rotation of the belt 9 can transmit the metal panels that need to be sprayed, and the two water supply hoses of the external water supply device are respectively tightly connected with the two water inlet pipes 618, and the cooperation of the two moving components 61 and the brushing component 62 can Cleaning of metal panels of different thicknesses before spraying.

In addition, the drying mechanism 7 includes two first vertical rods 71 fixed on the top surface of the working plate 1 and located on the front and rear sides of the belt 9, a first horizontal plate 72 fixed on the top of the two first vertical rods 71, The air intake pipe 73 fixed on the top of the first horizontal plate 72 and communicated with its interior, the bottom end of the first horizontal plate 72 is fixed with a number of air outlet funnels 74 arranged in a linear and equidistant manner and communicated with its interior. The drying mechanism 7 can dry the brushed metal panel, and the sprayed metal panel can be quickly dried by the drying mechanism 7 on the right.

Further, the spraying mechanism 8 includes two second vertical rods 81 fixed on the top surface of the working board 1 and positioned at the front and rear sides of the belt 9, a second horizontal plate 82 fixed on the top of the second vertical rod 81, a second horizontal plate fixed on the second horizontal The top of the plate 82 is connected to the feed pipe 83 inside, and the bottom end of the second horizontal plate 82 is fixed with a number of spray nozzles 84 arranged at equal intervals in a linear manner and connected to the inside. The pipe and the feeding pipe 83 are tightly socketed, and the metal panel can be sprayed by the spraying mechanism 8 to achieve the antirust effect.

Specifically, the two motors 612 are connected in series on the same control circuit, the shape of the chute 61101 is I-shaped, and the shape of the slider 616 is an I-shaped that matches the shape of the chute 61101, so that the two motors can The output shaft of 612 rotates synchronously, so that the two moving blocks 614 can be lifted and lowered synchronously, and the sliding of the sliding block 616 inside the chute 61101 on the same side can also be made more stable, so that the two moving blocks 614 can be more stable during the movement , and then make the brushing effect of the whole brushing assembly 62 better.

It is worth noting that several hair brushes 624 on the outer wall of the scrubbing roller 621 are arranged at equal intervals in a ring, and the distance between the two water spray nozzles 619 is adapted to the width of the belt 9, so that several hair brushes 624 The effect of scrubbing is better, and the cleaning effect of the two water spray nozzles 619 can also be made better.

It is worth noting that sealing rings are provided at the parts where the water inlet pipe 618, the water spray nozzle 619 are in contact with the water box 617, and the parts where the air inlet pipe 73 and the air outlet funnel 74 are in contact with the first horizontal plate 72 are all provided with sealing rings. The positions where the feeding pipe 83, the spray nozzle 84 and the second horizontal plate 82 contact are also provided with sealing rings, which can improve the sealing performance of the entire anti-rust spraying line and prevent water, liquid and air leakage from occurring.

Wherein, the motor 612 involved in this embodiment is the prior art, and its structure and working principle are as well known to those skilled in the art, and will not be repeated here.

In addition, this embodiment also provides a metal panel antirust spraying process, including the above-mentioned metal panel antirust spraying line, and the specific spraying process includes the following steps:

S1. Firstly, the rotating shaft 5 is driven to rotate through an external driving mechanism. The rotating shaft 5 can drive the driving wheel 3 on the same side to rotate, thereby driving the belt 9 to rotate. Then, the two motors 612 are started through the external PLC, and the output shaft of the motor 612 rotates to drive the same side. The screw rod 613 connected by the shaft rotates, and the rotation of the screw rod 613 drives the moving block 614 to move. The moving block 614 moves under the guidance of the same side slider 616. The movement of the two moving blocks 614 drives the two rotating rods 622 to move, and the two rotating rods 622 The movement drives the scrubbing roller 621 and several brushes 624 to move, and when the distance between the bottommost brush 624 and the belt 9 matches the thickness of the metal panel, the two motors 612 are turned off by an external PLC;

S2. Tightly connect the two water supply hoses of the external water supply device with the two water inlet pipes 618 respectively, and tightly socket the two air supply pipes of the external heating gas The liquid supply pipe of the liquid device is tightly socketed with the feed pipe 83, and the external water supply device is activated through the external PLC. Then enter the water box 617 and spray out by the water spray nozzle 619. When the external water supply device is turned on, the metal panel is placed on the top surface of the belt 9 near the left end. Through the transmission of the belt 9, the metal panel passes through the bottom of the brush roller 621. It can be scrubbed by several brushes 624, and the scrubbing roller 621 will rotate under the action of force, and several brushes 624 can scrub the metal panel, so that the scrubbing effect is better. When the brushed part of the metal panel When passing through the position between the two water spray nozzles 619, the metal panel can be washed clean;

S3. After the metal panel is rinsed clean, the external heating air supply device is activated through the external PLC. The external heating air supply device transports the hot air from the two air supply pipes to the inside of the two air intake pipes 73, and the hot air entering the air intake pipe 73 then enters the same The first horizontal plate 72 on the side is discharged by several air outlet funnels 74. When the metal panel passes through the drying mechanism 7 on the left, it can be dried, and then the external antirust liquid supply device is activated through the external PLC, and the external antirust supply The liquid device transports the anti-rust liquid from the liquid supply pipe to the inside of the feed pipe 83, and the anti-rust liquid that enters the inside of the feed pipe 83 then enters the second horizontal plate 82 and is sprayed out by several spray nozzles 84. When the metal panel passes through Spraying process can be carried out to it when spraying mechanism 8, when the metal panel passes through the drying mechanism 7 on the right side, the antirust liquid on its surface can be dried, thereby finished the antirust spraying to metal panel.

The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and those described in the above-mentioned embodiments and description are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the spirit and scope of the present invention. Under the premise, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A metal panel anti-rust spraying line, including a working board (1) with grooves (101) on the left and right sides of the surface, several support legs (2) fixed at the bottom of the working board (1), passing through The two driving wheels (3) that are rotatably connected to the inner walls of the front and rear sides of the same-side groove (101) by the rotating roller (4), are characterized in that the two rotating rollers (4) are connected by a belt (9) , an outer wall of the working plate (1) is provided with a through hole communicating with the groove (101) on the same side, and one side of the working plate (1) is provided with a through hole and a roller on the same side (4) The coaxially fixed rotating shaft (5), also includes: The cleaning mechanism (6) is arranged on the top surface of the working plate (1) near the left end, and is used for cleaning the metal panel to be sprayed before spraying; Two drying mechanisms (7) are arranged on the top surface of the working plate (1) and on the right side of the cleaning mechanism (6), one of the drying mechanisms (7) is used to dry the cleaned metal panel, The other drying mechanism (7) is used to dry the sprayed metal panel; The spraying mechanism (8), which is arranged on the top surface of the working plate (1) and between the two drying mechanisms (7), is used for spraying the metal panel. 2. The anti-rust spraying line for metal panels according to claim 1, characterized in that: the cleaning mechanism (6) includes a cleaning mechanism (6) fixed on the top surface of the working plate (1) near the left end and located on the front and rear sides of the belt (9). Two moving assemblies (61) and a scrubbing assembly (62) between the two moving assemblies (61), the moving assembly (61) includes a surface fixed on the top surface of the working plate (1) and close to the belt (9) The vertical plate (611) with the chute (61101), the motor (612) fixed on the top surface of the working plate (1) and located between the vertical plate (611) and the belt (9), and the motor (612) output The screw rod (613) connected with the shaft coaxially, the moving block (614) threadedly connected with the screw rod (613), the slider (616) fixed on the outer wall of the moving block (614) and slidingly connected with the chute (61101), the fixed The fixed plate (615) on the outer wall of the vertical plate (611) and rotatably connected with the screw rod (613), the moving assembly (61) also includes a water box (617) fixed on the right side surface of the vertical plate (611), The water inlet pipe (618) fixed on the top of the water box (617) and communicated with the inside of the water box (617), fixed on the surface of the water box (617) near the belt (9) and connected to the water box (617) A water spray nozzle (619) connected internally, the brushing assembly (62) includes a brushing roller (621) located between two moving blocks (614), several brushes fixed on the outer wall of the brushing roller (621) ( 624), the front and rear surfaces of the brushing roller (621) are coaxially fixed with a rotating rod (622) that is rotatably connected to the moving block (614) on the same side through a bearing (623). 3. The metal panel anti-rust spraying line according to claim 2, characterized in that: the drying mechanism (7) includes two fixed on the top surface of the working plate (1) and located on the front and rear sides of the belt (9). The first vertical rod (71), the first horizontal plate (72) fixed on the top of the two first vertical rods (71), the air intake pipe (73) fixed on the top of the first horizontal plate (72) and connected to its interior , the bottom end of the first horizontal plate (72) is fixed with several air outlet funnels (74) arranged in a linear and equidistant manner and connected to the interior thereof. 4. The metal panel anti-rust spraying line according to claim 3, characterized in that: the spraying mechanism (8) includes two second ones fixed on the top surface of the working plate (1) and located on the front and rear sides of the belt (9). Two vertical rods (81), the second horizontal plate (82) fixed on the top of the second vertical rod (81), the feed pipe (83) fixed on the top of the second horizontal plate (82) and connected to the inside, the The bottom end of the second horizontal plate (82) is fixed with several spray nozzles (84) arranged in a linear and equidistant manner and connected to the interior thereof. 5. The metal panel anti-rust spraying line according to claim 2, characterized in that: the two motors (612) are connected in series to the same control circuit, the shape of the chute (61101) is I-shaped, And the shape of the slider (616) is an I-shape matching the shape of the chute (61101). 6. The metal panel anti-rust spraying line according to claim 2, characterized in that: several brushes (624) on the outer wall of the brushing roller (621) are arranged at equal intervals in a ring, and two of the spraying rollers (621) The distance between the water spray nozzles (619) is adapted to the width of the belt (9). 7. The metal panel anti-rust spraying line according to claim 4, characterized in that: the parts where the water inlet pipe (618), the water spray nozzle (619) and the water box (617) are in contact with are all provided with sealing rings, The air inlet pipe (73), air outlet funnel (74) and the first horizontal plate (72) are all provided with sealing rings, and the feeding pipe (83), material injection nozzle (84) and the second horizontal plate The positions where the plates (82) contact are also provided with sealing rings. 8. A metal panel antirust spraying process, comprising the metal panel antirust spraying line described in any one of claims 1-7, characterized in that: the specific spraying process includes the following steps: S1. Firstly, the rotating shaft (5) is driven to rotate through the external driving mechanism, and the rotating shaft (5) can drive the driving wheel (3) on the same side to rotate, thereby driving the belt (9) to rotate, and then start the two motors (612) through the external PLC , the rotation of the output shaft of the motor (612) drives the screw (613) coaxially connected with it to rotate, the rotation of the screw (613) drives the movement of the moving block (614), and the moving block (614) acts as a guide for the slider (616) on the same side Moving down, the movement of the two moving blocks (614) drives the movement of the two rotating rods (622), and the movement of the two rotating rods (622) drives the movement of the scrubbing roller (621) and several brushes (624). When the distance between the brush (624) and the belt (9) matches the thickness of the metal panel, turn off the two motors (612) through an external PLC; S2. Tightly connect the two water supply hoses of the external water supply device with the two water inlet pipes (618), and tightly connect the two air supply pipes of the external heating gas device with the two air intake pipes (73). The liquid supply pipe of the external anti-rust liquid supply device is tightly connected to the feed pipe (83), and the external water supply device is activated through the external PLC, and the external water supply device delivers water from the water supply hose to the water inlet pipe (618) tightly connected to it , the water entering the water inlet pipe (618) then enters the water box (617) and is sprayed out by the water spray nozzle (619), while the external water supply device is turned on, the metal panel is placed on the top surface of the belt (9) near the left end , through the transmission of the belt (9), the metal panel can be brushed by several brushes (624) when passing the bottom end of the brush roller (621), and the brush roller (621) will rotate under the action of force, and several brushes The brush (624) can scrub the metal panel, and when the scrubbed part of the metal panel passes through the position between the two water spray nozzles (619), the metal panel can be rinsed clean; S3. After the metal panel is washed clean, start the external heating air supply device through the external PLC, and the external heating air supply device will transport the hot air from the two air supply pipes to the inside of the two intake pipes (73) respectively, and enter the inside of the intake pipe (73). The hot air then enters the first horizontal plate (72) on the same side and is discharged by several air outlet funnels (74). When the metal panel passes through the drying mechanism (7) on the left, it can be dried, and then the external PLC starts the external The anti-rust liquid supply device, the external anti-rust liquid supply device transports the anti-rust liquid from the liquid supply pipe to the inside of the feeding pipe (83), and the anti-rust liquid entering the inside of the feeding pipe (83) then enters the second horizontal plate (82 ) and sprayed by several spray nozzles (84), when the metal panel passes through the spraying mechanism (8), it can be sprayed, and when the metal panel passes through the drying mechanism (7) on the right, the surface The anti-rust liquid is dried, thus completing the anti-rust spraying on the metal panel.

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