A metal sheet surface treatment apparatus

Abstract

The utility model discloses a kind of metal sheet surface treatment equipment, it is related to metal sheet processing technical field, including workbench, the inner side of fixed seat is equipped with water storage tank, the bottom of fixed seat is equipped with mounting groove, through hole is equipped between water storage tank and mounting groove, the inner side of mounting groove is equipped with connecting groove, cleaning mechanism is installed between mounting groove and connecting groove, the upper side of workbench is fixedly connected with mounting cover, the upper side of mounting cover is fixedly connected with storage box, the upper side of workbench is rotatably connected with conveying belt, the outside of mounting cover and close to the side fixedly connected with drying box of discharge port, hot drying mechanism is installed in the inside of drying box.The equipment is opened water flow by metal sheet and pushes wedge-shaped plate linkage and is self-adaptive to compactly scrape and wash, realizes single push to complete wetting, scraping and wash and structure self-reset, and cooperate with discharge port direct through vertical hot air drying area, form the continuous processing procedure of cleaning, spraying and solidification, significantly improve double-sided processing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of metal sheet processing technology, and specifically to a metal sheet surface treatment device. Background Technology

[0002] Pre-treatment of sheet metal for spray coating generally relies on step-by-step cleaning and manual intervention, with conventional processes including surface dust removal, liquid rinsing, and mechanical scraping. While the widespread adoption of automated equipment has led to the integration of spraying and drying functions in some integrated processing lines, the pre-cleaning stage still often employs independent water washing units or electrostatic dust removal devices, which are complex in structure and occupy significant space. In recent years, continuous processing technology has been gradually promoted, but compact solutions that efficiently integrate cleaning, spraying, and curing remain insufficient.

[0003] Most existing sheet metal cleaning devices achieve surface wetting by setting a water storage tank on the top of the fixed base and opening a guide hole at the bottom. The device relies on gravity water supply or an external water pump to continuously inject water into the storage tank and controls the water flow through a manual valve. However, it lacks a quantitative water supply mechanism, resulting in uncontrollable water consumption for cleaning. A fixed scraper is set below the guide hole, requiring manual adjustment of the sheet metal position to complete the scraping and washing, which cannot achieve automated linkage of cleaning actions.

[0004] The aforementioned existing technologies have significant drawbacks in practical applications: First, the water flow control of the water storage tank relies on manual valves or constant openings, which cannot accurately trigger quantitative water supply based on the material's movement, easily leading to water waste or insufficient cleaning; Second, the fixed scraper can only scrape in one direction, making it difficult to adapt to changes in material thickness, and the separation of cleaning and water supply actions results in poor surface treatment uniformity; Third, the cleaning unit operates independently from subsequent spraying and drying processes, requiring the material to be transferred and positioned multiple times, which restricts overall processing efficiency.

[0005] Based on this, the present invention designs a surface treatment device for metal sheets to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the existing technology, the present invention provides a surface treatment device for metal sheets.

[0007] To achieve the above objectives, this utility model provides the following technical solution: A surface treatment device for metal sheets includes a workbench, a cleaning mechanism, and a drying mechanism. Two sets of symmetrically arranged mounting brackets are fixedly connected to the upper side of the workbench. A fixed base is fixedly connected between the two sets of mounting brackets. A water storage tank is provided inside the fixed base. A water filling pipe is fixedly connected to the upper side of the fixed base and communicates with the water storage tank. An installation groove is provided at the bottom of the fixed base. A through hole is provided between the water storage tank and the installation groove. A connecting groove is provided inside the installation groove. The cleaning mechanism is installed between the installation groove and the connecting groove. A mounting cover is fixedly connected to the upper side of the workbench. A material storage box is fixedly connected to the upper side of the mounting cover. An inlet and an outlet are provided on both sides of the mounting cover. A conveyor belt is rotatably connected to the upper side of the workbench. A drying box is fixedly connected to the outside of the mounting cover, near the outlet. The drying mechanism is installed inside the drying box.

[0008] Furthermore, the cleaning mechanism includes a wedge plate, a sliding plate, a positioning plate, a compression spring, and a baffle. The wedge plate is slidably connected to the inner side of the mounting groove, and one side of the wedge plate has an inclined surface. The sliding plate is slidably connected to the outside of the fixed base, and the end of the sliding plate is slidably connected to one side of the wedge plate. The ends of both the sliding plate and the wedge plate are in contact with the bottom of the through hole.

[0009] Furthermore, the wedge plate has a slot on its outside, and a block is fixedly connected to the end of the slide plate. Both the block and the slot are T-shaped, and the block is slidably connected to the inside of the slot.

[0010] Furthermore, the slide plate has an L-shaped plate structure, and the end of the slide plate is located outside the fixed base. Multiple sets of tension springs arranged at equal intervals are fixedly connected between the end of the slide plate and the fixed base.

[0011] Furthermore, the positioning plate is fixedly connected to the lower side of the slide plate, one end of the compression spring is fixedly connected to the inner side of the connecting groove, and the other end of the compression spring is fixedly connected to the baffle. When the positioning plate abuts against the inner side of the mounting groove, the wedge plate moves to the bottom of the connecting groove, and the wedge plate matches the connecting groove.

[0012] Furthermore, a paint spraying device is installed inside the mounting cover, and the paint spraying device is connected to the inside of the storage box. A drive motor that provides power to the conveyor belt is installed outside the workbench.

[0013] Furthermore, two sets of symmetrically arranged diagonal braces are fixedly connected between the bottom of the drying box and the outside of the mounting cover. A ventilation opening is provided on the upper side of the drying box, and a groove is provided at the bottom of the drying box, with a ventilation net fixedly connected inside the groove.

[0014] Furthermore, the hot drying mechanism includes a fixed rod, a fan, and a heating element. The fixed rod is fixedly connected to the inside of the drying box, and there are two sets of fixed rods arranged vertically. The fan is fixedly connected to the outside of the upper fixed rod, and the heating element is fixedly connected to the outside of the lower fixed rod. A PLC processor is fixedly connected to the outside of the mounting cover, and the PLC processor communicates with the fan and the heating element.

[0015] Compared with the prior art, the advantages of this utility model are as follows: 1. The metal sheet surface treatment equipment automatically triggers water release and scraping action during the metal sheet pushing process through the linkage design of the wedge plate and the slide plate, so as to realize the integrated treatment of wetting and cleaning in a single push. After cleaning, each component automatically resets without manual intervention, which simplifies the operation process and avoids water waste, and significantly improves the efficiency and quality of metal sheet pretreatment. 2. This metal sheet surface treatment equipment adopts a vertical hot air drying method that directly connects to the discharge port, enabling the coated sheet to cure quickly and forming a continuous operation of cleaning, spraying and drying. The hot air temperature and wind speed can be precisely adjusted by the controller to ensure uniform curing of the coating. At the same time, the compact structural design saves space and facilitates the automated production line operation of double-sided metal sheet treatment. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0017] Figure 1 This is a perspective view of a metal sheet surface treatment device according to the present invention; Figure 2 for Figure 1 Enlarged view of point A in the middle; Figure 3 This is a schematic diagram of the first working state of a partial structure of the present invention; Figure 4 for Figure 3 Enlarged view of point B in the middle; Figure 5 This is a schematic diagram of the second working state of a partial structure of the present invention; Figure 6 This is a schematic diagram of the third working state of a partial structure of this utility model; Figure 7 for Figure 6 Enlarged view of point C in the middle; Figure 8 This is a second perspective view of the present invention; Figure 9 This is a partial front sectional view of the present invention.

[0018] The labels in the diagram represent: 1. Workbench; 2. Mounting bracket; 3. Fixed base; 4. Water storage tank; 5. Water filling pipe; 6. Mounting slot; 7. Through hole; 8. Wedge plate; 9. Slide plate; 10. Tension spring; 11. Slot; 12. Block; 13. Positioning plate; 14. Connecting slot; 15. Compression spring; 16. Baffle; 17. Mounting cover; 18. Storage bin; 19. Conveyor belt; 20. Drying box; 21. Diagonal brace; 22. Ventilation opening; 23. Ventilation mesh; 24. Fixed rod; 25. Fan; 26. Heating element; 27. PLC processor. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0020] Example 1: In some embodiments, please refer to the accompanying drawings. Figures 1-9 A surface treatment device for metal sheets includes a workbench 1, which serves as the basic support platform for the entire device. Its flat upper surface provides a stable mounting reference for each functional component. Two sets of symmetrically arranged mounting frames 2 are fixedly connected to the upper side of the workbench 1. The two sets of mounting frames 2 serve as load-bearing frames and are made of high-strength steel to ensure the structural stability of the device during operation. A fixed seat 3 is fixedly connected between the two sets of mounting frames 2. The fixed seat 3 serves as the core carrier of the cleaning function, and its internal space provides an installation position for the subsequent cleaning mechanism.

[0021] The inner side of the fixed base 3 is provided with a water storage tank 4, which serves as a storage space for cleaning water. Its sealed design prevents liquid leakage. A water filling pipe 5 is fixedly connected to the upper side of the fixed base 3. The water filling pipe 5 serves as a channel for replenishing cleaning water. Its funnel-shaped opening facilitates the operator to add liquid, and the water filling pipe 5 is connected to the water storage tank 4 to ensure that the water flow can smoothly enter the water storage tank 4. The bottom of the fixed base 3 is provided with an installation groove 6, which serves as a guide rail for the wedge-shaped motion component. Its precisely machined groove body ensures the smooth sliding of the moving parts. A through hole 7 is provided between the water storage tank 4 and the installation groove 6. The through hole 7 serves as a water flow channel. Its diameter is precisely calculated to control the water flow speed. The inner side of the installation groove 6 is provided with a connecting groove 14, which serves as the installation space for the compression spring 15 component. Its depth design ensures the effective stroke of the elastic component.

[0022] The cleaning mechanism is installed between the mounting groove 6 and the connecting groove 14. The cleaning mechanism includes a wedge plate 8, a sliding plate 9, a positioning plate 13, a compression spring 15, and a baffle 16. The wedge plate 8 serves as the actuator for the cleaning action. Its inclined surface design can convert horizontal thrust into vertical displacement. It is slidably connected to the inside of the mounting groove 6. The sliding plate 9 serves as the power transmission component. It is slidably connected to the outside of the fixed base 3. Its end is slidably connected to one side of the wedge plate 8 to achieve effective force transmission. The ends of the sliding plate 9 and the wedge plate 8 are both in contact with the bottom of the through hole 7. This fit ensures the sealing of the water flow channel.

[0023] The wedge plate 8 has a slot 11 on its outside, and the end of the slide plate 9 is fixedly connected to a block 12. Both the block 12 and the slot 11 are T-shaped. This special shape design provides a reliable limiting function, and the block 12 is slidably connected to the inside of the slot 11 to ensure the coordination of movement between the two parts.

[0024] The slide plate 9 has an L-shaped plate structure. This shape design ensures structural strength and provides installation space for the tension spring 10. The end of the slide plate 9 is located outside the fixed base 3, which is convenient for observation and maintenance. Multiple sets of tension springs 10 are fixedly connected between the end of the slide plate 9 and the fixed base 3. The tension springs 10 serve as reset elements, and their uniform distribution ensures force balance.

[0025] The positioning plate 13 is fixedly connected to the lower side of the slide plate 9 as a limiting component. Its precisely machined surface ensures positioning accuracy. One end of the compression spring 15 is fixedly connected to the inner side of the connecting groove 14, and the other end is fixedly connected to the baffle 16. This arrangement provides stable elastic support. When the positioning plate 13 abuts against the inner side of the mounting groove 6, the wedge plate 8 moves to the bottom of the connecting groove 14. This positional relationship ensures the precise triggering of the cleaning action. The wedge plate 8 and the connecting groove 14 are matched. This matching design ensures the smoothness of the movement process.

[0026] A mounting cover 17 is fixedly connected to the upper side of the workbench 1. The mounting cover 17 serves as a protective shell for the spraying operation, and its sealed design prevents paint from splashing. A storage box 18 is fixedly connected to the upper side of the mounting cover 17. The storage box 18 serves as a paint storage container, and its capacity is designed to meet the needs of continuous operation. A paint spraying device is installed inside the mounting cover 17. The spraying device uses high-pressure atomization technology to ensure uniform paint distribution. The paint spraying device is connected to the inside of the storage box 18. This connection method ensures a continuous supply of paint. The mounting cover 17 has inlet and outlet ports on both sides. The dimensions of the inlet and outlet ports are precisely calculated to ensure smooth passage of the sheet material. A conveyor belt 19 is rotatably connected to the upper side of the workbench 1. The conveyor belt 19 serves as a material conveying device. Its wear-resistant surface design extends its service life. A drive motor that provides power to the conveyor belt 19 is installed outside the workbench 1. The motor uses frequency conversion control, which can realize precise adjustment of the conveying speed.

[0027] A drying box 20 is fixedly connected to the outside of the mounting cover 17 and near the discharge port. The drying box 20 serves as a curing unit, and its heat insulation design improves thermal efficiency. Two sets of symmetrically arranged diagonal braces 21 are fixedly connected between the bottom of the drying box 20 and the outside of the mounting cover 17. The diagonal braces 21 serve as a support structure, and their inclination angle is mechanically calculated to ensure stability. A ventilation opening 22 is provided on the upper side of the drying box 20. The ventilation opening 22 serves as a hot air circulation channel, and its grid design can adjust the airflow direction. A groove is provided at the bottom of the drying box 20, and a ventilation net 23 is fixedly connected inside the groove. The ventilation net 23 serves as an airflow distribution device, and its mesh size ensures uniform distribution of hot air.

[0028] The hot drying mechanism is installed inside the drying box 20. The hot drying mechanism includes a fixed rod 24, a fan 25, and a heating element 26. The fixed rod 24 serves as a mounting base, and its vertical arrangement optimizes space utilization. The fixed rods 24 are fixedly connected to the inside of the drying box 20, and there are two sets arranged vertically. The fan 25 is fixedly connected to the outside of the upper fixed rod 24 as an airflow generating device. The heating element 26 is fixedly connected to the outside of the lower fixed rod 24 and adopts PTC ceramic heating technology to ensure stable and controllable temperature. A PLC processor 27 is fixedly connected to the outside of the mounting cover 17. The PLC processor 27 serves as the control center, and its modular design facilitates functional expansion. The PLC processor 27 communicates with the fan 25 and the heating element 26. This intelligent control method enables precise adjustment of process parameters.

[0029] In this embodiment, during the metal sheet surface spraying process, automated cleaning is first achieved through a pre-cleaning mechanism. During operation, the front end of the metal sheet is placed against the inclined surface of the wedge plate 8, pushing the sheet forward. The wedge plate 8, under the thrust, slides laterally within the mounting groove 6. Simultaneously, the T-shaped locking block 12, in conjunction with the locking groove 11, drives the sliding plate 9 to move horizontally, stretching multiple sets of tension springs 10. At this point, the ends of the wedge plate 8 and the sliding plate 9 disengage from the bottom of the through hole 7, allowing the cleaning water in the water storage tank 4 to flow through the through hole 7 to the surface of the metal sheet. As the sheet continues to push the wedge plate 8... At the limit position, the positioning plate 13 abuts against the inner side of the mounting groove 6. Continuing to apply pressure will cause the wedge plate 8 to slide into the connecting groove 14 along the inclined surface, pushing the baffle 16 to compress the compression spring 15. At this time, the end of the wedge plate 8 is pressed tightly against the surface of the plate material under the elastic force of the compression spring 15. With the help of flowing clean water, wetting and mechanical scraping are completed simultaneously during the plate material pushing process. After the plate material has completely passed through, the compression spring 15 pushes the baffle 16 to spring the wedge plate 8 back to the initial height. At the same time, the tension spring 10 pulls the slide plate 9 to reset, causing the wedge plate 8 to re-close the through hole 7, realizing automatic reset and standby.

[0030] The cleaned metal sheet is fed into the mounting cover 17 by the conveyor belt 19. The paint in the storage box 18 is evenly sprayed by the internal spraying device. Then the sheet is placed under the drying box 20 from the discharge port. At this time, the heating element 26 in the pre-started hot drying mechanism generates high temperature. The fan 25 blows hot air vertically onto the surface of the sheet through the ventilation net 23. This process is controlled by the PLC processor 27 to work together with the fan 25 and the heating element 26 to achieve rapid curing of the sprayed coating. The dried sheet can be directly cleaned and sprayed on the other side, forming a continuous processing flow and significantly improving the surface treatment efficiency of the metal sheet.

[0031] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. A surface treatment device for metal sheets, comprising a workbench (1), characterized in that: It also includes a cleaning mechanism and a heating mechanism. Two sets of symmetrically arranged mounting brackets (2) are fixedly connected to the upper side of the workbench (1). A fixed seat (3) is fixedly connected between the two sets of mounting brackets (2). A water storage tank (4) is opened on the inner side of the fixed seat (3). A water filling pipe (5) is fixedly connected to the upper side of the fixed seat (3), and the water filling pipe (5) is connected to the water storage tank (4). An installation groove (6) is opened at the bottom of the fixed seat (3). A through hole (7) is opened between the water storage tank (4) and the installation groove (6). An opening is opened on the inner side of the installation groove (6). There is a connecting groove (14), the cleaning mechanism is installed between the mounting groove (6) and the connecting groove (14), the upper side of the workbench (1) is fixedly connected to the mounting cover (17), the upper side of the mounting cover (17) is fixedly connected to the storage box (18), the mounting cover (17) has a feed port and a discharge port on both sides, the upper side of the workbench (1) is rotatably connected to the conveyor belt (19), the outside of the mounting cover (17) and the side near the discharge port is fixedly connected to the drying box (20), and the hot drying mechanism is installed inside the drying box (20).

2. The metal sheet surface treatment equipment according to claim 1, characterized in that, The cleaning mechanism includes a wedge plate (8), a sliding plate (9), a positioning plate (13), a compression spring (15), and a baffle (16). The wedge plate (8) is slidably connected to the inner side of the mounting groove (6), and a slope is provided on one side of the wedge plate (8). The sliding plate (9) is slidably connected to the outside of the fixed base (3), and the end of the sliding plate (9) is slidably connected to one side of the wedge plate (8). The ends of the sliding plate (9) and the wedge plate (8) are both in contact with the bottom of the through hole (7).

3. The metal sheet surface treatment equipment according to claim 2, characterized in that, The wedge plate (8) has a slot (11) on its outside, and the end of the slide plate (9) is fixedly connected to a block (12). Both the block (12) and the slot (11) are T-shaped, and the block (12) is slidably connected to the inside of the slot (11).

4. The metal sheet surface treatment equipment according to claim 2, characterized in that, The slide plate (9) is an L-shaped plate structure, and the end of the slide plate (9) is located outside the fixed seat (3). Multiple sets of tension springs (10) are fixedly connected between the end of the slide plate (9) and the fixed seat (3).

5. The metal sheet surface treatment equipment according to claim 2, characterized in that, The positioning plate (13) is fixedly connected to the lower side of the slide plate (9). One end of the compression spring (15) is fixedly connected to the inner side of the connecting groove (14), and the other end of the compression spring (15) is fixedly connected to the baffle (16). When the positioning plate (13) abuts against the inner side of the mounting groove (6), the wedge plate (8) moves to the bottom of the connecting groove (14), and the wedge plate (8) matches the connecting groove (14).

6. The metal sheet surface treatment equipment according to claim 1, characterized in that, The inner side of the mounting cover (17) is equipped with a paint spraying device, and the paint spraying device is connected to the inside of the storage box (18). The outside of the workbench (1) is equipped with a drive motor that provides power to the conveyor belt (19).

7. The metal sheet surface treatment equipment according to claim 1, characterized in that, Two sets of symmetrically arranged diagonal braces (21) are fixedly connected between the bottom of the drying box (20) and the outside of the mounting cover (17). A vent (22) is opened on the upper side of the drying box (20). A groove is opened at the bottom of the drying box (20), and a ventilation net (23) is fixedly connected in the groove.

8. The metal sheet surface treatment equipment according to claim 1, characterized in that, The hot drying mechanism includes a fixed rod (24), a fan (25), and a heating element (26). The fixed rod (24) is fixedly connected to the inside of the drying box (20), and there are two sets of fixed rods (24) arranged vertically. The fan (25) is fixedly connected to the outside of the upper fixed rod (24), and the heating element (26) is fixedly connected to the outside of the lower fixed rod (24). A PLC processor (27) is fixedly connected to the outside of the mounting cover (17), and the PLC processor (27) is connected to the fan (25) and the heating element (26) for communication.

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