Paint spraying and drying device for steel surface machining

By designing a steel surface processing device including a drying mechanism that can adjust the contact distance and a recycled heating gas system, the problems of incomplete or excessive drying of paint surfaces and scratching of paint surfaces in existing equipment are solved, and the effect of uniform drying of paint surfaces and resource saving is achieved.

CN222901664UActive Publication Date: 2025-05-27FUJIAN JINGSHENG JISHENG DOOR CO LTD
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Patent Information

Application Number
CN202421430412.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-21
Publication Date
2025-05-27
Estimated Expiration
2034-06-21

AI Technical Summary

Technical Problem

During the steel drying process of existing equipment, the drying mechanism is fixedly placed, resulting in incomplete or excessive drying of the paint surface, and the contact area during the steel transportation process increases, which can easily lead to scratches of the paint surface.

Method used

A device for spray painting and drying of steel surfaces is designed, including a drying mechanism with adjustable contact distance and a recycled heating gas system. By reducing the contact area of ​​steel and an adjustable drying mechanism, the paint surface is ensured to be dried reasonably, and resource waste is reduced by recycling heating gas.

Benefits of technology

It effectively prevents the paint surface from scratching during the drying process, ensures that the paint surface is evenly drying, and reduces resource waste by recycling heating gas.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a device for steel surface processing paint spraying and drying, which comprises a conveying mechanism for reducing the contact area of steel, the two sides of the conveying mechanism are fixedly connected with fixing frames, the top of each fixing frame is fixedly provided with a drying bin, and the drying bin is provided with a drying mechanism capable of adjusting the contact distance with the steel. And a circulating mechanism is arranged at the top of the drying bin. The conveying mechanism can reduce the contact area with the painted steel, so that the dry paint surface can be prevented from being scratched in a large area in the conveying and drying process, and the paint surface of the moving steel can be dried through the drying mechanism in the drying bin; and the distance between the drying mechanism and the conveying mechanism can be adjusted through the arranged drying mechanism, so that the height of the drying mechanism can be adjusted according to the heights of different steel products and the thicknesses of paint surfaces, the paint surfaces are reasonably dried, and heated gas in the drying bin can be reused through the arranged circulating mechanism.
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Description

Technical Field

[0001] The utility model relates to the technical field of sheet metal processing, and specifically relates to a device for spray painting and drying the surface of steel. Background Technique

[0002] Steel is a material with a certain shape, size and performance made by pressure processing of steel ingots, steel billets or steel. Most steel processing is through pressure processing to cause plastic deformation of the processed steel (billets, ingots, etc.). According to different steel processing temperatures, it can be divided into two types: cold processing and hot processing.

[0003] During the steel processing process, a protective paint needs to be sprayed on its surface, and after the protective paint is sprayed, it needs to be dried. However, in the existing equipment, most of the drying mechanisms are fixedly placed during the drying process. However, due to the different spraying thicknesses of the paint surface and the different thicknesses of the steel, it may cause the situation that the paint surface is not thoroughly dried or the paint surface is over-dried. Moreover, during the transportation of the existing steel, the contact area of the steel is also increased to a certain extent, causing the paint surface to be scratched. Therefore, we propose a device for spray painting and drying the surface of steel. Content of the Utility Model

[0004] The purpose of the utility model is to provide a device for spray painting and drying the surface of steel to solve the problems raised in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A device for spray painting and drying the surface of steel, including a support frame, a conveying mechanism for reducing the contact area of the steel is fixedly installed on the top of the support frame, fixing frames are fixedly connected to both sides of the conveying mechanism, a drying chamber is fixedly installed on the top of the fixing frame, a drying mechanism for adjusting the contact distance with the steel is arranged on the drying chamber, and a circulation mechanism for recycling the heated gas is arranged on the top of the drying chamber.

[0006] Further, the conveying mechanism includes a first mounting plate, a rotating shaft, a gear, a connecting chain, a fixing block and a placing rack. The first mounting plate is provided in two groups and fixedly installed on the top of the support frame. Two rotating shafts are rotatably connected to the first mounting plate. Two gears are fixedly installed on the outer surface of the rotating shaft. A connecting chain is arranged on the outer surface of the gear. A fixing block is fixedly installed on the top of the gear. A placing rack is fixedly installed on the top of the fixing block. A driving motor is fixedly installed on one side of the first mounting plate. The output end of the driving motor is fixedly connected to the rotating shaft.

[0007] Further, the drying mechanism includes a second mounting plate, a limiting rod, a connecting rod, an electric heating tube and a third mounting plate. Second mounting plates are fixedly installed on both sides of the inner wall of the drying chamber. Two groups of limiting rods are fixedly installed on the top of the second mounting plate. A connecting rod is slidably connected to the outer surface of the limiting rod. An electric heating tube is installed on the connecting rod. The tops of the two connecting rods are fixedly connected by a third mounting plate. A driving cylinder is fixedly installed on the top of the drying chamber. The output end of the driving cylinder is fixedly connected to the third mounting plate.

[0008] Further, the circulation mechanism includes a blower, a delivery pump, an air extraction pipe, an air outlet pipe and a shunt pipe. A blower is fixedly installed on the top of the drying chamber. Multiple connecting cylinders are fixedly communicated with the top of the blower. A delivery pump is fixedly installed on the top of the drying chamber. The air intake end of the delivery pump is fixedly communicated with an air extraction pipe. The bottom of the air extraction pipe extends above the placement rack. An air outlet pipe is fixedly communicated with the connecting cylinder. The air outlet end of the delivery pump is fixedly communicated with the air outlet pipe through the shunt pipe.

[0009] Further, one side of the first mounting plate and the bottom of the fixed frame are fixedly connected by two groups of reinforcing plates. The cross-section of the placement rack is triangular.

[0010] Further, multiple heat insulation pads are fixedly installed at both ends of the drying chamber through fixing bolts.

[0011] Further, multiple support shafts are fixedly installed on one side of the first mounting plate. A support roller in contact with the bottom of the connecting chain is rotatably connected to the outer surface of the support shaft.

[0012] Compared with the prior art, the utility model has the following beneficial effects: The conveying mechanism provided by the utility model can reduce the contact area with the steel after painting, thereby preventing large-area scratching of the unpainted paint surface during the conveying and drying process. Subsequently, the moving steel can pass through the drying mechanism inside the drying chamber to dry the paint surface. The provided drying mechanism can adjust the distance from the conveying mechanism, thereby adjusting the height of the drying mechanism according to the height of different steels and the thickness of the paint surface to reasonably dry the paint surface. The provided circulation mechanism can recycle the heated gas inside the drying chamber, thereby avoiding waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic structural diagram of the first three-dimensional view of the utility model;

[0014] Figure 2 is a schematic structural diagram of the second three-dimensional view of the utility model;

[0015] Figure 3 is a schematic structural diagram of the third three-dimensional view of the utility model.

[0016] In the figure: 1 support frame, 2 conveying mechanism, 3 fixed frame, 4 drying chamber, 5 reinforcement plate, 6 drying mechanism, 7 circulation mechanism, 8 first mounting plate, 9 rotating shaft, 10 gear, 11 connecting chain, 12 fixing block, 13 placing frame, 14 driving motor, 15 blower, 16 connecting cylinder, 17 conveying pump, 18 exhaust pipe, 19 exhaust pipe, 20 diverter pipe, 21 second mounting plate, 22 limit rod, 23 connecting rod, 24 electric heating pipe, 25 third mounting plate, 26 driving cylinder, 27 supporting shaft, 28 supporting roller, 29 fixing bolt, 30 insulation pad. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figures 1 - 3 The utility model provides a technical solution: a device for surface processing, spray painting and drying of steel, comprising a support frame 1, a conveying mechanism 2 for reducing the contact area of ​​steel is fixedly installed on the top of the support frame 1, both sides of the conveying mechanism 2 are fixedly connected with a fixing frame 3, a drying bin 4 is fixedly installed on the top of the fixing frame 3, a drying mechanism 6 for adjusting the contact distance with the steel is arranged on the drying bin 4, and a circulation mechanism 7 for reusing the heated gas is arranged on the top of the drying bin 4.

[0019] Among them, the set conveying mechanism 2 can reduce the contact area with the steel after painting, so as to prevent large-scale scratches on the dried paint surface during the conveying and drying process. The subsequently moved steel can pass through the drying mechanism 6 inside the drying chamber 4 to dry the paint surface. The set drying mechanism 6 can adjust the distance between it and the conveying mechanism 2, so that the height of the drying mechanism 6 can be adjusted according to the different steel heights and paint thicknesses to reasonably dry the paint surface. The set circulation mechanism 7 can reuse the heated gas inside the drying chamber 4, so as to avoid waste of resources.

[0020] See also Figure 1 and Figure 2, the conveying mechanism 2 includes a first mounting plate 8, a rotating shaft 9, a gear 10, a connecting chain 11, a fixing block 12 and a placing rack 13. The first mounting plates 8 are provided in two groups and fixedly installed on the top of the support frame 1. One side of the first mounting plate 8 is fixedly connected to the bottom of the fixing frame 3 through two reinforcing plates 5. Two rotating shafts 9 are rotatably connected to the first mounting plate 8. Two gears 10 are fixedly installed on the outer surface of the rotating shaft 9. A connecting chain 11 is arranged on the outer surface of the gear 10. A fixing block 12 is fixedly installed on the top of the gear 10. A placing rack 13 is fixedly installed on the top of the fixing block 12. The cross-section of the placing rack 13 is triangular. A driving motor 14 is fixedly installed on one side of the first mounting plate 8. The output end of the driving motor 14 is fixedly connected to the rotating shaft 9.

[0021] Among them, the steel to be dried is placed above the placing rack 13 with a triangular cross-section. Then the driving motor 14 is started to operate. The driving motor 14 can drive the connecting chain 11, the fixing block 12 and the placing rack 13 to move by using the rotating shaft 9 and the gear 10. Thus, the placing rack 13 can be used to drive the steel to move into the drying chamber 4. The placing rack 13 with a triangular cross-section can reduce the contact area with the bottom of the steel and prevent the steel from being scratched during drying.

[0022] Please refer to Figure 1 , Figure 2 and Figure 3 , the drying mechanism 6 includes a second mounting plate 21, a limiting rod 22, a connecting rod 23, an electric heating tube 24 and a third mounting plate 25. Both sides of the inner wall of the drying chamber 4 are fixedly installed with second mounting plates 21. Two limiting rods 22 are fixedly installed on the top of the second mounting plate 21. A connecting rod 23 is slidably connected to the outer surface of the limiting rod 22. An electric heating tube 24 is installed on the connecting rod 23. The tops of the two connecting rods 23 are fixedly connected through a third mounting plate 25. A driving cylinder 26 is fixedly installed on the top of the drying chamber 4. The output end of the driving cylinder 26 is fixedly connected to the third mounting plate 25.

[0023] Among them, the set driving cylinder 26 can push the third mounting plate 25, the connecting rod 23 and the electric heating tube 24 to move along the limiting rod 22. In this way, the distance between the electric heating tube 24 and the top of the placing rack 13 can be adjusted. Thus, the drying position can be adjusted according to the paint with different thicknesses and the steel with different thicknesses, so as to achieve reasonable drying.

[0024] Please refer to Figure 1 , Figure 2 and Figure 3, the circulation mechanism 7 includes a blower 15, a delivery pump 17, an extraction pipe 18, an outlet pipe 19 and a shunt pipe 20. A blower 15 is fixedly installed at the top of the drying bin 4. Multiple connecting cylinders 16 are fixedly communicated with the top of the blower 15. A delivery pump 17 is fixedly installed at the top of the drying bin 4. The intake end of the delivery pump 17 is fixedly communicated with an extraction pipe 18. The bottom of the extraction pipe 18 extends above the placement rack 13. An outlet pipe 19 is fixedly communicated with the connecting cylinder 16. The outlet end of the delivery pump 17 is fixedly communicated with the outlet pipe 19 through the shunt pipe 20.

[0025] Among them, the provided blower 15 can blow the heat generated by the electric heating tube 24 towards the surface of the steel. The provided delivery pump 17 can use the extraction pipe 18 to discharge the gas with heat inside the drying bin 4 into the connecting cylinder 16 through the shunt pipe 20 and the outlet pipe 19, and then the gas with heat can be reused.

[0026] Please refer to Figure 1 , multiple heat insulation pads 30 are fixedly installed at both ends of the drying bin 4 through fixing bolts 29. The provided heat insulation pads 30 can seal both sides of the drying bin 4 to a certain extent to prevent the loss of the generated heat.

[0027] Please refer to Figure 1 and Figure 2 , multiple support shafts 27 are fixedly installed on one side of the first mounting plate 8. A support roller 28 in contact with the bottom of the connecting chain 11 is rotatably connected to the outer surface of the support shaft 27. The provided support shafts 27 and support rollers 28 can support the connecting chain 11 to prevent excessive deformation of the connecting chain caused by the heavy weight of the conveyed steel.

[0028] In use, first, place the steel to be dried above the placement rack 13 with a triangular cross-section. Subsequently, start the driving motor 14 to operate. The driving motor 14 can drive the connecting chain 11, the fixing block 12, and the placement rack 13 to move by means of the rotating shaft 9 and the gear 10. Thus, the steel can be driven by the placement rack 13 to move into the drying chamber 4. The placement rack 13 with a triangular cross-section can reduce the contact area with the bottom of the steel, preventing the steel from being scratched during drying. The provided driving motor 26 can push the third mounting plate 25, the connecting rod 23, and the electric heating tube 24 to move along the limiting rod 22. In this way, the distance between the electric heating tube 24 and the top of the placement rack 13 can be adjusted, so that the drying position can be adjusted according to the paint surface of different thicknesses and the steel of different thicknesses, thus realizing reasonable drying. The provided blower 15 can blow the heat generated by the electric heating tube 24 onto the surface of the steel. The provided delivery pump 17 can use the air extraction pipe 18 to discharge the hot gas inside the drying chamber 4 through the shunt pipe 20 and the air outlet pipe 19 into the connecting cylinder 16. Subsequently, the hot gas can be reused.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for steel surface processing, spraying and drying paint, comprising a support frame (1), characterized in that: A conveying mechanism (2) for reducing the contact area with the steel is fixedly installed on the top of the support frame (1), a fixing frame (3) is fixedly connected to both sides of the conveying mechanism (2), a drying chamber (4) is fixedly installed on the top of the fixing frame (3), a drying mechanism (6) capable of adjusting the contact distance with the steel is arranged on the drying chamber (4), and a circulation mechanism (7) for reusing the heated gas is arranged on the top of the drying chamber (4); The conveying mechanism (2) comprises a first mounting plate (8), a rotating shaft (9), a gear (10), a connecting chain (11), a fixed block (12) and a placement rack (13); the first mounting plate (8) is arranged in two groups and is fixedly mounted on the top of the support frame (1); the first mounting plate (8) is rotatably connected with two groups of rotating shafts (9); two groups of gears (10) are fixedly mounted on the outer surface of the rotating shaft (9); a connecting chain (11) is arranged on the outer surface of the gear (10); a fixed block (12) is fixedly mounted on the top of the gear (10); a placement rack (13) is fixedly mounted on the top of the fixed block (12); a driving motor (14) is fixedly mounted on one side of the first mounting plate (8); an output end of the driving motor (14) is fixedly connected to the rotating shaft (9); The drying mechanism (6) comprises a second mounting plate (21), a limiting rod (22), a connecting rod (23), an electric heating tube (24) and a third mounting plate (25); the second mounting plates (21) are fixedly mounted on both sides of the inner wall of the drying chamber (4); two groups of limiting rods (22) are fixedly mounted on the top of the second mounting plate (21); the outer surfaces of the limiting rods (22) are slidably connected with connecting rods (23); the connecting rods (23) are mounted with electric heating tubes (24); the tops of the two groups of connecting rods (23) are fixedly connected via the third mounting plate (25); a driving cylinder (26) is fixedly mounted on the top of the drying chamber (4); the output end of the driving cylinder (26) is fixedly connected to the third mounting plate (25).

2. The device for steel surface processing and paint drying according to claim 1, characterized in that: The circulation mechanism (7) comprises a blower (15), a delivery pump (17), an exhaust pipe (18), an exhaust pipe (19) and a shunt pipe (20); the blower (15) is fixedly installed on the top of the drying bin (4); the top of the blower (15) is fixedly connected to a plurality of connecting tubes (16); the delivery pump (17) is fixedly installed on the top of the drying bin (4); an air inlet end of the delivery pump (17) is fixedly connected to an exhaust pipe (18); the bottom of the exhaust pipe (18) extends to the top of the placement rack (13); an exhaust pipe (19) is fixedly connected to the connecting tube (16); and an exhaust end of the delivery pump (17) is fixedly connected to the exhaust pipe (19) via a shunt pipe (20).

3. The device for steel surface processing and paint drying according to claim 2 is characterized in that: One side of the first mounting plate (8) is fixedly connected to the bottom of the fixing frame (3) via two sets of reinforcing plates (5), and the cross-section of the placement frame (13) is arranged to be triangular.

4. The device for steel surface processing and paint drying according to claim 3 is characterized in that: Multiple groups of heat-insulating pads (30) are fixedly mounted on both ends of the drying bin (4) via fixing bolts (29).

5. The device for steel surface processing and paint drying according to claim 4 is characterized in that: A plurality of groups of support shafts (27) are fixedly mounted on one side of the first mounting plate (8), and the outer surfaces of the support shafts (27) are rotatably connected to support rollers (28) that are in contact with the bottom of the connecting chain (11).