A conveying device for flatware washing

Abstract

The utility model discloses a conveying device for flat cleaning, including frame, drive mechanism, spray mechanism and a plurality of water tank, frame is arranged with a plurality of drum along flat conveying direction interval, drive mechanism is installed on the frame, is used for driving all drum synchronous rotation, every spray mechanism includes the upper spray frame of being located the drum top and the lower spray frame of being located the drum below, and the upper spray frame and lower spray frame all are equipped with a plurality of towards the spray head of drum, every water tank is installed with a spray mechanism, and there is a gap between two adjacent water tanks, every water tank includes upper box and lower box, and upper box top is equipped with the lid, and the upper spray frame is located in the upper box, be equipped with the drain pipe in the lower box, and the lower spray frame is located in the lower box, the conveying device for flat cleaning provided by the utility model realizes the sufficient spray flushing of the upper and lower surface of flat, and each cleaning area is independently separated, can avoid the mutual mixing of cleaning medium, ensures the cleaning quality.

Description

Technical Field

[0001] This utility model relates to the technical field of flat plate cleaning devices, and in particular to a conveying device for flat plate cleaning. Background Technology

[0002] In industrial production, surface cleaning of metal plates is a crucial step in ensuring the quality of subsequent processing. This is especially true for metal plates that are prone to grease and oil contamination. Incomplete cleaning can directly affect the effectiveness of subsequent welding, painting, and assembly processes, and may even lead to product quality defects.

[0003] To improve the efficiency of flatbed cleaning and meet the needs of mass production, existing technologies often employ cleaning devices with continuous conveying capabilities. These devices continuously transport the flatbeds forward, allowing them to pass sequentially through cleaning areas to complete the cleaning process. Common conveying devices typically consist of two large rotating drums and a perforated conveyor belt fitted onto their surfaces. The conveyor belt serves as both the load-bearing and transporting component, using the cyclical motion of the large drums to propel the flatbeds forward.

[0004] However, during the cleaning process, the plate and conveyor belt remain relatively stationary, and the contact area between them is blocked. The cleaning medium (such as cleaning fluid or spray water) cannot effectively reach this contact area, making it difficult to thoroughly remove grease and oil stains. For plate parts such as those used in the processing of water heater inner cylinders, which require high cleaning efficiency, the incomplete cleaning of the contact area makes it difficult to meet their cleaning needs.

[0005] It is evident that existing technologies still need improvement and enhancement. Utility Model Content

[0006] In view of the shortcomings of the prior art, the purpose of this utility model is to provide a conveying device for flat plate cleaning, which aims to solve the technical problem of incomplete flat plate cleaning in the prior art.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A conveying device for flatbed cleaning, comprising:

[0009] The frame has several rollers arranged at intervals along the flat conveyor direction;

[0010] The drive mechanism, mounted on the frame, is used to drive all the rollers to rotate synchronously;

[0011] Several spraying mechanisms, each spraying mechanism including an upper spraying frame located above the drum and a lower spraying frame located below the drum, both the upper spraying frame and the lower spraying frame being provided with several nozzles facing the drum;

[0012] Several water-tight boxes are provided, each water-tight box is equipped with a corresponding spraying mechanism, and there is a gap between two adjacent water-tight boxes; each water-tight box includes an upper box and a lower box, the top of the upper box is provided with a cover, and the upper spraying device is installed in the upper box; the lower box is provided with a drain pipe, and the lower spraying device is installed in the lower box.

[0013] Furthermore, the upper spray frame is provided with a number of first branch pipes arranged at intervals along the flat plate conveying direction; the lower spray frame is provided with a number of second branch pipes arranged at intervals along the flat plate conveying direction, the first branch pipes and the second branch pipes correspond one-to-one, and two rollers are arranged between each pair of adjacent second branch pipes.

[0014] Furthermore, the driving mechanism includes a drive motor, which is connected to one of its rollers via a first chain drive assembly, and two adjacent rollers are connected sequentially via a second chain drive assembly.

[0015] Furthermore, each of the rollers is provided with a water-retaining ring at its end; the upper box is provided with two first sidewalls located outside the two water-retaining rings respectively, and the bottom extends to the outer surface of the roller; the lower box is provided with two second sidewalls located on the two first sidewalls respectively.

[0016] Furthermore, the upper housing is provided with two third side walls perpendicular to the flat plate conveying direction. The bottom of the third side wall is provided with a baffle plate, and the baffle plate is provided with waist holes extending in the vertical direction. The waist holes are connected to the corresponding third side walls by screws.

[0017] Furthermore, the bottom of the baffle plate near the end of the flat conveyor direction is provided with a flange that bends inward toward the inside of the upper housing. The flange is used to guide the cleaning medium that slides down the side wall of the upper housing.

[0018] Furthermore, a support frame is provided on the top of the frame, and several upper boxes are installed on the support frame. A baffle is provided in the gap, and the baffle and the cover are located on the same horizontal plane.

[0019] Furthermore, the spraying mechanism also includes a circulating pump, and the lower housing is provided with a water storage chamber and a filter chamber. One end of the drain pipe is connected to the filter chamber, and the other end is connected to the water inlet of the circulating pump. The water outlet of the circulating pump is connected to the upper spray frame and the lower spray frame.

[0020] Furthermore, the spraying mechanism also includes a dosing tank, which includes a tank body, a partition, and a first filter screen. The partition is installed inside the tank body, and the first filter screen is installed on the partition. The bottom of the tank body is provided with a water inlet, which is connected to the outlet of the circulating pump through a first pipe. The top of the tank body is provided with a water outlet, which is connected to the upper spray frame and the lower spray frame through a second pipe.

[0021] Beneficial effects:

[0022] This utility model provides a conveying device for flatbed cleaning. It conveys the flatbed through the synchronous rotation of multiple rollers, and together with the upper and lower spray racks, it can achieve thorough spray cleaning of the upper and lower surfaces of the flatbed without dead angles, which can meet strict cleaning requirements. At the same time, the independent separation of the water tank can avoid the mixing of different cleaning media and reduce the waste of cleaning media and environmental pollution. Attached Figure Description

[0023] Figure 1 A structural diagram of the conveying device for flat plate cleaning provided by this utility model;

[0024] Figure 2 A structural diagram of the drive mechanism in the conveying device for flat plate cleaning provided by this utility model;

[0025] Figure 3 A partial main sectional view of the conveying device for flat plate cleaning provided by this utility model;

[0026] Figure 4 A side sectional view of the conveying device for flat plate cleaning provided by this utility model;

[0027] Figure 5 for Figure 4 Enlarged view of point A;

[0028] Figure 6 A structural diagram of the upper housing in the conveying device for flat plate cleaning provided by this utility model;

[0029] Figure 7 The structural diagram of the lower housing of the conveying device for flat plate cleaning provided by this utility model;

[0030] Figure 8 A schematic diagram of the connection of the water spraying mechanism in the conveying device for flat plate cleaning provided by this utility model;

[0031] Figure 9 A cross-sectional view of the dosing tank in the conveying device for flat plate cleaning provided by this utility model.

[0032] Reference numerals: Frame 1, Support frame 11, Roller 2, Water baffle ring 21, Drive mechanism 3, Drive motor 31, First chain drive assembly 32, Second chain drive assembly 33, Spraying mechanism 4, Upper spray frame 41, First branch pipe 411, Lower spray frame 42, Second branch pipe 421, Spray head 43, Circulating pump 44, Dosing tank 45, Tank body 451, Inlet 4511, Outlet 4512, Baffle 452, First filter screen 453, First pipe 4 54, second pipe 455, water-tight box 5, upper box 51, cover 511, first side wall 512, third side wall 513, notch 514, lower box 52, second side wall 521, water storage chamber 522, filter chamber 523, first mounting bracket 524, second mounting bracket 525, second filter screen 526, drain pipe 53, baffle plate 54, waist hole 541, flange 542, gap 6, baffle plate 61, water receiving tray 62, electric heating tube 7. Detailed Implementation

[0033] This utility model provides a conveying device for flatbed cleaning. To make the purpose, technical solution, and effects of this utility model clearer and more explicit, the following describes this utility model in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain this utility model and are not intended to limit this utility model.

[0034] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," and "right," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or a specific orientational structure and operation. Therefore, they should not be construed as limitations on this utility model. Furthermore, "first" and "second" are only for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "multiple" means two or more.

[0035] Please see Figures 1 to 9As shown, this utility model provides a conveying device for flatbed cleaning, including: a frame 1, a drive mechanism 3, several spraying mechanisms 4, and several water-separating tanks 5. The frame 1 has several rollers 2 arranged at intervals along the flatbed conveying direction. The drive mechanism 3 is installed on the frame 1 and is used to drive all the rollers 2 to rotate synchronously. Each spraying mechanism 4 includes an upper spraying frame 41 above the roller 2 and a lower spraying frame 42 below the roller 2. Both the upper spraying frame 41 and the lower spraying frame 42 are provided with several nozzles 43 facing the roller 2. Each water-separating tank 5 is equipped with one spraying mechanism 4, and there is a gap 6 between two adjacent water-separating tanks 5. Each water-separating tank 5 includes an upper tank body 51 and a lower tank body 52. ​​The top of the upper tank body 51 is provided with a cover 511, and the upper spraying frame 41 is located inside the upper tank body 51. The lower tank body 52 is provided with a drain pipe 53, and the lower spraying frame 42 is located inside the lower tank body 52.

[0036] During the cleaning process, after the drive mechanism 3 is started, all the rollers 2 rotate synchronously. The flat plate is placed at the beginning of the conveying process and moves forward along the conveying direction with the rotation of the rollers 2 by means of the friction between the rollers 2 and the flat plate. When the flat plate enters the water-separating tank 5 equipped with the spraying mechanism 4, the nozzles 43 of the upper spray frame 41 and the lower spray frame 42 work simultaneously, spraying cleaning media (such as cleaning liquid, clean water, etc.) from the top and bottom of the flat plate respectively, to spray and clean the surface of the flat plate in all directions. Since the rollers 2 are arranged at intervals and there is a hollow area between adjacent rollers 2, the lower surface of the flat plate is exposed when passing through the hollow area. The cleaning media sprayed by the lower spray frame 42 can directly reach the exposed lower surface of the flat plate through the hollow area, achieving cleaning without dead angles. The waste liquid generated during the cleaning process falls into the lower tank 52 and is discharged through the drain pipe 53.

[0037] Compared to existing technologies, this method uses multiple rotating rollers 2 to drive the flat plate forward. Combined with the coordinated action of the upper and lower spray frames 41 and 42, the cleaning medium can fully contact the upper and lower surfaces of the flat plate, achieving comprehensive cleaning of grease and oil stains and meeting stringent cleaning requirements. Simultaneously, the water-separating tanks 5 provide independent separation of the cleaning areas, preventing the cleaning media in different tanks from mixing. The cover 511 of the upper tank 51 prevents the cleaning medium from splashing into the production environment, reducing waste and environmental pollution.

[0038] In a preferred embodiment, see [reference] Figure 3 , 8The upper spray frame 41 is provided with several first branch pipes 411 arranged at intervals along the flat plate conveying direction; the lower spray frame 42 is provided with several second branch pipes 421 arranged at intervals along the flat plate conveying direction. The first branch pipes 411 and the second branch pipes 421 correspond one-to-one, and two rollers 2 are arranged between every two adjacent second branch pipes 421. Specifically, the nozzles 43 on each first branch pipe 411 and second branch pipe 421 are arranged at intervals along the length direction of the corresponding branch pipe to form a matrix arrangement, which further improves the thoroughness of cleaning. Combined with the arrangement of two rollers 2 between every two adjacent second branch pipes 421, the nozzles 43 on the second branch pipes 421 can not only face the hollow area between the two rollers 2 at the corresponding position, but also radiate to the hollow area of ​​the side roller 2—that is, the hollow area of ​​the side roller 2 can be sprayed by the nozzles 43 on the two second branch pipes 421 at the same time, ensuring that the flat plate is fully sprayed and cleaned during the movement. In addition, the corresponding arrangement of the upper and lower pipes can also create opposing flushing forces, enhancing the removal effect of grease and oil stains on the flat surface and ensuring thorough cleaning.

[0039] In a preferred embodiment, see [reference] Figure 1 , 2 The drive mechanism 3 includes a drive motor 31, which is connected to one of the rollers 2 via a first chain drive assembly 32. Two adjacent rollers 2 are sequentially connected via a second chain drive assembly 33. Specifically, both the first chain drive assembly 32 and the second chain drive assembly 33 are sprocket and chain drive assemblies, characterized by high transmission efficiency and ease of installation, maintenance, and replacement. Through this arrangement, the power output from the drive motor 31 is transmitted to one roller 2 via the first chain drive assembly 32, and then sequentially to adjacent rollers 2 via the second chain drive assembly 33, forming a continuous power transmission path. This ensures that all rollers 2 maintain a consistent speed and direction of rotation, achieving synchronous rotation of all rollers 2.

[0040] In the alternative solutions, such as Figure 2 As shown, the drive motor 31 can be connected to two rollers 2 through the first chain drive assembly 32, and the two rollers 2 are respectively connected to adjacent rollers 2 through the second chain drive assembly 33. The remaining two adjacent rollers 2 are connected in sequence through the second chain drive assembly 33, which can also realize the synchronous rotation of all rollers 2.

[0041] The aforementioned second chain drive assembly 33 includes sprockets. Each roller 2 has two sprockets at one end, and each sprocket forms a chain drive with the sprocket on the adjacent roller 2 via a chain.

[0042] In a preferred embodiment, see [reference] Figure 4 , 5Each of the rollers 2 has a water-blocking ring 21 at its end. The water-blocking ring 21 rotates with the roller 2 and directly blocks the liquid at the end of the roller 2, effectively intercepting the liquid flowing along the surface of the roller 2 during the cleaning process and preventing it from leaking directly from the end of the roller 2. The upper housing 51 has two first sidewalls 512 located outside the two water-blocking rings 21, and the bottom extends to the outer surface of the roller 2; the lower housing 52 has two second sidewalls 521 located outside the two first sidewalls 512. The first sidewalls 512 of the upper housing 51 are located outside the water-blocking rings 21 and the bottom extends to the outer surface of the roller 2, which can intercept splashed liquid and prevent the cleaning medium from splashing into the environment; while the second sidewalls 521 of the lower housing 52 are located further outward, which can prevent water from splashing directly into the environment and can also catch the liquid sliding down along the first sidewalls 512, thereby reducing the leakage of the cleaning medium to the outside of the equipment, avoiding pollution of the production environment and damage to other parts of the equipment, while ensuring that the lower housing 52 can effectively collect waste liquid and discharge it through the drain pipe 53. Since the second chain drive assembly 33 is located on the outside of the second side wall 521, the above-mentioned arrangement effectively prevents water from splashing onto the connection position between the roller 2 and the frame 1, and onto the second chain drive assembly 33.

[0043] Preferably, the bottom of the first sidewall 512 of the upper housing 51 extends below the roller 2, and the bottom of the upper housing 51 has a notch 514 for avoiding the roller 2, with the inner diameter of the notch 514 being smaller than the outer diameter of the water-blocking ring 21. The top of the second sidewall 521 of the lower housing 52 is located below the roller 2, and the horizontal plane where its top is located is higher than the horizontal plane where the bottom of the first sidewall 512 is located. The bottom of the first sidewall 512 extends below the roller 2 and has a suitable notch 514, which avoids interference with the rotation of the roller 2 on the one hand, and on the other hand, because the inner diameter of the notch 514 is smaller than the outer diameter of the water-blocking ring 21, the water-blocking ring 21 and the edge of the notch 514 form a shielding fit, further preventing liquid leakage along the axial direction of the roller 2. Combined with the setting that the top of the second sidewall 521 is higher than the bottom of the upper housing 51, the liquid sliding down the first sidewall 512 of the upper housing 51 falls directly into the lower housing 52, ensuring that the cleaning medium is effectively collected.

[0044] In a preferred embodiment, see [reference] Figure 3 , 6The upper housing 51 has two third sidewalls 513 perpendicular to the conveying direction of the flat plate. A baffle plate 54 is located at the bottom of each third sidewall 513, and the baffle plate 54 has vertically extending slots 541 connected to the corresponding third sidewall 513 by screws. The third sidewalls 513 and baffle plates 54 of the upper housing 51 prevent liquid from splashing into adjacent upper housings 51 along the conveying direction of the flat plate, thus avoiding contamination of the cleaning medium in adjacent water-tight tanks 5. In actual operation, the installation height of the baffle plate 54 is adjusted according to the thickness of the flat plate. During adjustment, the screws are loosened, and the installation height of the baffle plate 54 is adjusted vertically—the distance between the bottom of the baffle plate 54 and the conveying plane of the roller 2 is slightly greater than the thickness of the flat plate, thereby improving the sealing between the upper housing 51 and the roller 2 and reducing excessive liquid leakage. After adjustment, the screws are tightened to fix the position; the operation is simple and the fixation is reliable.

[0045] Further, see Figure 6 The bottom of the baffle plate 54 near the end of the conveying direction of the flat plate is provided with a flange 542 that bends inward toward the upper housing 51. The flange 542 is used to guide the cleaning medium that slides down the side wall of the upper housing 51. By setting the flange 542, the liquid that slides down along the baffle plate 54 can be guided to the left and right sides of the upper housing 51, avoiding excessive liquid from dripping directly onto the upper surface of the flat plate and being carried into the next water-proof tank 5. Combined with the gap 6 between two adjacent water-proof tanks 5, the liquid adhering to the two surfaces of the flat plate can be further reduced from entering the next water-proof tank 5, effectively maintaining the independence of the cleaning medium in each water-proof tank 5.

[0046] In a preferred embodiment, see [reference] Figure 1 , 3 The frame 1 has a support frame 11 at its top, and several upper boxes 51 are mounted on the support frame 11. A baffle plate 61 is provided in the gap 6, and the baffle plate 61 and the cover 511 are on the same horizontal plane. Specifically, a water receiving tray 62 is provided at the bottom of the gap 6, and the water receiving tray 62 is connected to the top of the lower box 52 near the beginning of the flatbed conveying direction. By setting the baffle plate 61 and the cover 511 to be on the same horizontal plane, the gap 6 between adjacent upper boxes 51 can be blocked, preventing external dust and impurities from falling onto the flatbed passing through the gap 6. It also works with the cover 511 to maintain the flatness of the tops of each upper box 51. The water receiving tray 62 effectively collects the small amount of cleaning medium dripping when the flatbed passes through the gap 6. Since the water receiving tray 62 is connected to the top of the lower box 52 near the beginning, the collected liquid can be guided back to the lower box 52 for recycling, realizing the recovery and reuse of the cleaning medium, reducing resource waste, and preventing the cleaning medium from dripping directly onto the ground below.

[0047] In a preferred embodiment, see [reference] Figure 8The spraying mechanism 4 also includes a circulating pump 44. The lower housing 52 contains a water storage chamber 522 and a filter chamber 523. One end of the drain pipe 53 is connected to the filter chamber 523, and the other end is connected to the inlet of the circulating pump 44. The outlet of the circulating pump 44 is connected to the upper spray frame 41 and the lower spray frame 42. Specifically, the lower housing 52 extends outside the frame 1 to facilitate waste liquid collection and pipe connection. During the cleaning process, the collected waste liquid is stored in the water storage chamber 522, filtered, and then enters the filter chamber 523 to remove impurities and other particulate matter. The filtered cleaning medium is then pumped back to the upper spray frame 41 and the lower spray frame 42 by the circulating pump 44 for reuse in plate cleaning, thus achieving the recycling of the cleaning medium.

[0048] Further, see Figure 7 The lower housing 52 has a first mounting bracket 524 on each of its two adjacent inner walls and a second mounting bracket 525 in the middle. Two first mounting brackets 524 and second mounting brackets 525 are respectively connected to second filter screens 526. The area enclosed by the two second filter screens 526 and the adjacent side walls of the lower housing 52 forms a filter chamber 523. The plug-in installation method facilitates quick replacement and maintenance of the second filter screens 526. When the collected waste liquid enters the lower housing 52, it first flows through the second filter screens 526, where impurities and particulate matter are trapped. The filtered cleaning medium, under the action of the circulating pump 44, flows through the drain pipe 53 to the upper spray frame 41 and the lower spray frame 42.

[0049] In this embodiment, see Figure 1 The frame 1 is sequentially equipped with four spraying mechanisms 4 and corresponding water-sealing tanks 5 along the flat plate conveying direction. The processes completed by the four spraying mechanisms 4 are pre-degreasing, main degreasing, first water washing, and second water washing, respectively. Among them, the lower tank 52 of the first two water-sealing tanks 5 stores degreasing liquid of different concentrations to remove oil stains from the surface of the flat plate; the lower tank 52 of the latter two water-sealing tanks 5 stores industrial water to clean the degreasing liquid adhering to the flat plate. Through the above-mentioned staged cleaning process, the oil stains on the surface of the flat plate are gradually removed and the residual degreasing liquid is cleaned, ensuring that the final cleaning effect meets the process requirements.

[0050] For easier addition of degreasing solution to the spray mechanism 4, please refer to... Figure 8 , 9The spraying mechanism 4 further includes a dosing tank 45, which includes a tank body 451, a partition 452, and a first filter screen 453. The partition 452 is installed inside the tank body 451, and the first filter screen 453 is installed on the partition 452. The bottom of the tank body 451 is provided with a water inlet 4511, which is connected to the outlet of the circulating pump 44 through a first pipe 454. The top of the tank body 451 is provided with a water outlet 4512, which is connected to the upper spray frame 41 and the lower spray frame 42 through a second pipe 455. The water outlet 4512 is located above the partition 452. Preferably, the mesh count of the first partition screen 453 is greater than that of the second partition screen 526 to further improve the filtration effect. The cleaning medium used for circulation enters the tank 451 through the first pipe 454 and the inlet 4511, and is further filtered by the first screen 453 to remove residual impurities. During chemical addition, degreasing solution can be directly added to the tank 451. The filtered cleaning medium and the added degreasing solution are thoroughly mixed to form a solution with a suitable concentration for plate cleaning, which is then returned to the upper spray frame 41 and the lower spray frame 42 through the outlet 4512 and the second pipe 455. This setup enhances the filtration effect of the cleaning medium through the first screen 453 and allows for convenient adjustment of the degreasing solution concentration, helping to maintain a stable concentration required in the pre-degreasing and main degreasing processes and ensuring effective oil removal.

[0051] To further improve the cleaning effect, please refer to Figure 8 The lower housing 52 is equipped with several electric heating tubes 7, which are located within the water storage chamber 522. When energized, the electric heating tubes 7 heat the cleaning medium to regulate its temperature.

[0052] For pre-degreasing and main degreasing processes, appropriately increasing the temperature of the cleaning medium can enhance its ability to dissolve and penetrate grease, accelerating the removal of oil stains from the flat plate surface. In practical applications, the heating temperature of the cleaning medium should be determined according to the cleaning requirements of the flat plate, and is not limited here. By reasonably controlling the temperature, the role of heating in improving the cleaning effect can be fully utilized, while avoiding the degreasing solution from becoming ineffective or damaging the flat plate material.

[0053] It is understood that those skilled in the art can make equivalent substitutions or modifications based on the technical solution and inventive concept of this utility model, and all such substitutions or modifications should fall within the protection scope of the appended claims.

Claims

1. A conveying device for flatbed cleaning, characterized in that, include: The frame (1) has several rollers (2) arranged at intervals along the flat conveying direction; The drive mechanism (3) is mounted on the frame (1) and is used to drive all the rollers (2) to rotate synchronously. Several spraying mechanisms (4), each spraying mechanism (4) includes an upper spraying frame (41) located above the drum (2) and a lower spraying frame (42) located below the drum (2), both the upper spraying frame (41) and the lower spraying frame (42) are provided with several nozzles (43) facing the drum (2); Several water-tight boxes (5), each water-tight box (5) is equipped with a corresponding spraying mechanism (4), and there is a gap (6) between two adjacent water-tight boxes (5); each water-tight box (5) includes an upper box body (51) and a lower box body (52), the top of the upper box body (51) is provided with a cover (511), and the upper spraying frame (41) is located inside the upper box body (51); the lower box body (52) is provided with a drain pipe (53), and the lower spraying frame (42) is located inside the lower box body (52).

2. The conveying device for flat plate cleaning according to claim 1, characterized in that, The upper spray frame (41) is provided with a number of first branch pipes (411) arranged at intervals along the flat plate conveying direction; the lower spray frame (42) is provided with a number of second branch pipes (421) arranged at intervals along the flat plate conveying direction. The first branch pipes (411) and the second branch pipes (421) correspond one-to-one, and two rollers (2) are arranged between each two adjacent second branch pipes (421).

3. The conveying device for flat plate cleaning according to claim 1, characterized in that, The drive mechanism (3) includes a drive motor (31), which is connected to one of its rollers (2) via a first chain drive assembly (32), and two adjacent rollers (2) are connected in sequence via a second chain drive assembly (33).

4. The conveying device for flat plate cleaning according to claim 1, characterized in that, Each of the rollers (2) is provided with a water-blocking ring (21) at its end; the upper box (51) is provided with two first sidewalls (512) located outside the two water-blocking rings (21) respectively, and the bottom extends to the outer surface of the roller (2); the lower box (52) is provided with two second sidewalls (521) located outside the two first sidewalls (512) respectively.

5. The conveying device for flat plate cleaning according to claim 1, characterized in that, The upper box (51) is provided with two third side walls (513) perpendicular to the conveying direction of the flat plate. The bottom of the third side wall (513) is provided with a baffle plate (54). The baffle plate (54) is provided with a waist hole (541) extending in the vertical direction. The waist hole (541) is connected to the corresponding third side wall (513) by screws.

6. The conveying device for flat plate cleaning according to claim 5, characterized in that, The bottom of the baffle plate (54) near the end of the flat conveyor direction is provided with a flange (542) that bends inward toward the inside of the upper box (51). The flange (542) is used to guide the cleaning medium that slides down the side wall of the upper box (51).

7. The conveying device for flat plate cleaning according to claim 1, characterized in that, The frame (1) is provided with a support frame (11) at the top, and several upper boxes (51) are installed on the support frame (11). A baffle plate (61) is provided on the gap (6), and the baffle plate (61) and the cover (511) are located on the same horizontal plane.

8. The conveying device for flat plate cleaning according to claim 1, characterized in that, The spraying mechanism (4) also includes a circulating pump (44). The lower housing (52) is provided with a water storage chamber (522) and a filter chamber (523). One end of the drain pipe (53) is connected to the filter chamber (523), and the other end is connected to the water inlet of the circulating pump (44). The water outlet of the circulating pump (44) is connected to the upper spray frame (41) and the lower spray frame (42).

9. The conveying device for flat plate cleaning according to claim 8, characterized in that, The spraying mechanism (4) also includes a dosing tank (45), which includes a tank body (451), a partition (452) and a first filter screen (453). The partition (452) is installed inside the tank body (451), and the first filter screen (453) is installed on the partition (452). The bottom of the tank body (451) is provided with a water inlet (4511), which is connected to the outlet of the circulating pump (44) through a first pipe (454). The top of the tank body (451) is provided with a water outlet (4512), which is connected to the upper spray frame (41) and the lower spray frame (42) through a second pipe (455).

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