Galvanized steel sheet passivation device

Abstract

The utility model discloses a galvanized steel sheet passivation device, and belongs to the field of steel sheet passivation, the galvanized steel sheet passivation device comprises a positioning frame, a motor is fixedly assembled on the inner side of the positioning frame, a first chain wheel is fixedly assembled on a power output shaft of the motor, and the outer edge of the first chain wheel is sleeved with a chain; water in an inner cavity of a water tank is discharged to the inner cavity position of a first connecting pipe through a water pipe by driving a submersible pump, a steel plate body is sprayed through a spray head, so that dust on the surface of the steel plate body is washed away, the cleaning effect of the steel plate body is kept, and the steel plate body can be dried through a heating pipe to be in a dry state; and after spraying is finished, the driving motor rotates reversely to move the steel plate body to the position below the heating pipe, then the heating pipe is used for drying the steel plate body sprayed with the passivation solution again, it is guaranteed that the passivation solution can be rapidly dried, and therefore it is guaranteed that the passivation solution is not prone to falling off.

Description

Technical Field

[0001] The present application relates to the technical field of steel plate passivation, and particularly relates to a passivation device for galvanized steel plates. Background Art

[0002] Passivation is a method of converting the metal surface into a state that is not easily oxidized, thereby delaying the corrosion rate of the metal. After the steel plate is galvanized, its corrosion resistance is greatly improved, but it still cannot meet the need for long-term use in a humid environment. To improve the durability of the galvanized plate, surface passivation treatment is still required.

[0003] In the patent with the published authorization announcement number CN213866415U, the passivation device for galvanized steel plates includes a frame. On the middle parts of the outer walls on both sides of the frame, a servo motor is fixedly installed through a fixing bracket. The output shaft of the servo motor is horizontally connected to a first electric telescopic rod inside the frame. An L-shaped clamping plate is installed at the end of the first electric telescopic rod. The upper end of the L-shaped clamping plate is movably connected to a second electric telescopic rod. A groove is formed inside the second electric telescopic rod. A pressing plate is fixedly inserted in the groove through an insertion bar. A plate member is placed between the L-shaped clamping plate and the pressing plate. Clamping blocks are equidistantly covered on the outer walls on both sides of the insertion bar. On both side walls of the groove in contact with the insertion bar, clamping blocks staggered with the clamping blocks on the insertion bar are equidistantly provided. By adjusting the distance between the first electric telescopic rods and the height of the second electric telescopic rod, plate members of different sizes can be placed on the L-shaped clamping plate. After the plate member is placed, the second electric telescopic rod and the pressing plate are tightly connected through the insertion bar, playing a fixing role for the plate member.

[0004] When the above device is implemented, the steel plate cannot be cleaned before the passivation operation. Since the steel plates are stacked in the warehouse before passivation treatment and are transported to the edge of the passivation device by a forklift before passivation, the failure to clean the steel plate in a timely and effective manner will cause the passivation liquid to come into contact with the dust on the steel plate, affecting the firmness of the adhesion between the passivation liquid and the steel plate, and thus causing the passivation liquid to fall off easily after drying subsequently. Summary of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the present utility model provides a passivation device for galvanized steel plates, which overcomes the deficiencies of the prior art and aims to solve the problems in the background art.

[0006] To achieve the above object, the present application adopts the following technical solution: A passivation device for galvanized steel plates, comprising a positioning frame, a motor is fixedly assembled inside the positioning frame, a first sprocket is fixedly assembled on the power output shaft of the motor, a chain is sleeved on the outer edge of the first sprocket, two transmission shafts are symmetrically and rotatably connected to the inner wall of the positioning frame, a second sprocket is fixedly assembled on the outer side of the transmission shaft, and a conveyor belt is sleeved on the outer edges of the two transmission shafts. A plurality of supporting bars are evenly distributed on the outer edge of the conveyor belt, a steel plate body is placed on the top of the supporting bar, a fixed cover is fixedly assembled on the top of the positioning frame, a water tank and a passivation liquid tank are respectively arranged on the outer side of the positioning frame, one end of a water pipe is fixedly connected to the inner wall of the water tank, the other end of the water pipe is fixedly connected to a first connecting pipe, and a plurality of spray heads are evenly and fixedly assembled on the outer edge of the first connecting pipe. A fixing plate is fixedly assembled inside the fixed cover, a heating pipe is fixedly assembled at the bottom of the fixing plate, one end of a conveying pipe is fixedly connected to the inner cavity of the passivation liquid tank, the other end of the conveying pipe is fixedly connected to a second connecting pipe, and a plurality of nozzles are evenly distributed on the outer edge of the second connecting pipe.

[0007] As a preferred embodiment, an air pump is fixedly assembled on the top of the conveyor belt, an air pipe is fixedly connected to the input end of the air pump, two suction cups are fixedly connected to the outer edge of the air pipe, the top of the suction cup is on the same plane as the top of the supporting bar, and the top of the suction cup is attached to the bottom of the steel plate body.

[0008] By adopting the above technical solution, the steel plate body can be stably adsorbed by the suction cup, so as to be stably positioned at the top of the supporting bar, ensuring that the steel plate body will not fall off randomly when being washed by water, and improving the stability during cleaning, drying and passivation.

[0009] As a preferred embodiment, a plurality of water leakage holes are penetrated through the inner wall of the conveyor belt, a storage bin is fixedly assembled on the inner wall of the positioning frame, a water outlet pipe is fixedly assembled on the outer side of the storage bin, and a control valve is fixedly assembled on the inner wall of the water outlet pipe. The storage bin is arranged below the first connecting pipe.

[0010] By adopting the above technical solution, the cleaning water can penetrate through the water leakage holes and fall into the inner cavity of the storage bin for collection, ensuring that the water will not be spilled randomly onto the ground to cause the workplace to be messy, and the collected water can be guided to the outside for purification treatment by using the water outlet pipe, so that it can be reused and the water resource loss can be reduced.

[0011] As a preferred embodiment, the side of the chain away from the first sprocket is sleeved on the outer edge of the second sprocket, a protective cover is fixedly assembled on the outer side of the positioning frame, and the first sprocket, the chain and the second sprocket are all arranged inside the protective cover.

[0012] By adopting the above technical solution, the power of the rotation of the first sprocket can be transmitted to the second sprocket and the transmission shaft through the chain, and then the transmission shaft can be used to drive the conveyor belt to operate, so as to realize the conveying of the steel plate body. The protective cover can play a protective role for the first sprocket, the chain and the second sprocket to ensure that they are not directly exposed.

[0013] As a preferred embodiment, a submersible pump is fixedly assembled in the inner cavity of the water tank, and the output end of the submersible pump is fixedly connected to one end of the water pipe close to the water tank. The water pipe is fixedly arranged on the inner wall of the fixed cover, and the first connecting pipe is fixedly arranged on the inner wall of the fixed cover, and several of its nozzles are arranged above the steel plate body.

[0014] By adopting the above technical solution, the submersible pump can be driven to discharge the water in the inner cavity of the water tank through the water pipe to the inner cavity position of the first connecting pipe, and the steel plate body is sprayed by the nozzles, so as to wash away the dust on the surface of the steel plate body and keep the steel plate body clean.

[0015] As a preferred embodiment, a circulation pump is arranged in the inner cavity of the passivation liquid tank, and the output end of the circulation pump is fixedly connected to one end of the delivery pipe close to the passivation liquid tank. The heating pipe is arranged at the middle position between the first connecting pipe and the second connecting pipe.

[0016] By adopting the above technical solution, when the steel plate body moves to the position below the nozzle after being cleaned by the nozzles and dried by the heating pipe, the circulation pump can be driven to discharge the passivation liquid in the inner cavity of the passivation liquid tank through the delivery pipe to the inner cavity of the second connecting pipe, and then the steel plate body is sprayed by the nozzle. After the spraying is completed, the driving motor rotates reversely to move the steel plate body to the side of the heating pipe, and then the steel plate body sprayed with the passivation liquid is dried again to ensure its rapid drying.

[0017] As a preferred embodiment, four cushion blocks are symmetrically and fixedly assembled at the bottom of the positioning frame, and anti-slip patterns are arranged at the bottoms of the four cushion blocks.

[0018] By adopting the above technical solution, the device can be stably placed on the ground, thereby ensuring the stability during placement.

[0019] The beneficial effects of this application:

[0020] 1. The passivation device for galvanized steel plates discharges the water in the inner cavity of the water tank to the inner cavity of the first connecting pipe through a driving submersible pump, and sprays the steel plate body by using a nozzle, so as to wash away the dust on the surface of the steel plate body, maintain the cleanliness of the steel plate body, and can dry the steel plate body by using a heating pipe to ensure that the steel plate body is in a dry state, improve the firmness of the adhesion between the passivation liquid and the steel plate body. After the spraying is completed, the driving motor rotates reversely to move the steel plate body to the position below the heating pipe, and then the heating pipe is used to dry the steel plate body sprayed with the passivation liquid again to ensure that the passivation liquid can be quickly dried, so as to ensure that the passivation liquid will not fall off easily.

[0021] 2. The passivation device for galvanized steel plates can stably position the steel plate body at the top of the supporting strip through an air pump, an air pipe and a suction cup, so as to ensure that the steel plate body will not fall off randomly when being washed by water, improve the stability during cleaning, drying and passivation. The water permeated through the water leakage holes can be collected through a storage bin to ensure that the water will not be spilled randomly onto the ground to cause the workplace to be messy and dirty, and the collected water can be drained to the outside through a water outlet pipe for purification treatment, so that it can be reused and the loss of water resources can be reduced. Brief Description of the Drawings

[0022] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0023] Figure 2 It is an expanded schematic diagram of the present application;

[0024] Figure 3 It is a schematic diagram of the conveying pipe structure of the present application;

[0025] Figure 4 It is a schematic diagram of the heating pipe structure of the present application.

[0026] Reference numerals in the drawings: 1, positioning frame; 2, motor; 3, first sprocket; 4, chain; 5, second sprocket; 6, transmission shaft; 7, conveyor belt; 8, supporting strip; 9, water leakage hole; 10, storage bin; 11, air pump; 12, air pipe; 13, suction cup; 14, steel plate body; 15, fixed cover; 16, water tank; 17, water pipe; 18, first connecting pipe; 19, nozzle; 20, fixing plate; 21, heating pipe; 22, passivation liquid bin; 23, conveying pipe; 24, second connecting pipe; 25, nozzle. Detailed Description of the Embodiments

[0027] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all of the embodiments.

[0028] Refer to Figures 1-4, A passivation device for galvanized steel plates, comprising a positioning frame 1. Inside the positioning frame 1, a motor 2 is fixedly assembled. The power output shaft of the motor 2 is fixedly assembled with a first sprocket 3. A chain 4 is sleeved on the outer edge of the first sprocket 3. Two transmission shafts 6 are symmetrically and rotatably connected to the inner wall of the positioning frame 1. A second sprocket 5 is fixedly assembled on the outer side of the transmission shaft 6. A conveyor belt 7 is sleeved on the outer edges of the two transmission shafts 6. A number of support bars 8 are evenly distributed on the outer edge of the conveyor belt 7. A steel plate body 14 is placed on the top of the support bar 8. A fixed cover 15 is fixedly assembled on the top of the positioning frame 1. A water tank 16 and a passivation liquid bin 22 are respectively arranged on the outer side of the positioning frame 1. One end of a water pipe 17 is fixedly connected to the inner wall of the water tank 16. The other end of the water pipe 17 is fixedly connected to a first connecting pipe 18. A number of spray nozzles 19 are evenly and fixedly assembled on the outer edge of the first connecting pipe 18. A fixing plate 20 is fixedly assembled inside the fixed cover 15. A heating pipe 21 is fixedly assembled at the bottom of the fixing plate 20. One end of a delivery pipe 23 is fixedly connected to the inner cavity of the passivation liquid bin 22. The other end of the delivery pipe 23 is fixedly connected to a second connecting pipe 24. A number of nozzles 25 are evenly distributed on the outer edge of the second connecting pipe 24.

[0029] Refer to Figure 3 , An air pump 11 is fixedly assembled on the top of the conveyor belt 7. The input end of the air pump 11 is fixedly connected to an air pipe 12. Two suction cups 13 are fixedly connected to the outer edge of the air pipe 12. The top of the suction cup 13 is in the same plane as the top of the support bar 8. The top of the suction cup 13 is in contact with the bottom of the steel plate body 14, so that the steel plate body 14 can be stably adsorbed by the suction cup 13, and thus stably positioned at the top position of the support bar 8, ensuring that the steel plate body 14 will not fall off randomly when being washed by water, and improving the stability during cleaning, drying and passivation.

[0030] Refer to Figure 3 , A number of water leakage holes 9 are formed through the inner wall of the conveyor belt 7. A storage bin 10 is fixedly assembled on the inner wall of the positioning frame 1. An outlet pipe is fixedly assembled on the outer side of the storage bin 10, and a control valve is fixedly assembled on the inner wall of the outlet pipe. The storage bin 10 is arranged below the first connecting pipe 18, so that the cleaning water can penetrate through the water leakage holes 9 and fall into the inner cavity of the storage bin 10 for collection, ensuring that the water will not spill randomly onto the ground to cause the workplace to be dirty and messy, and the collected water can be diverted to the outside for purification treatment through the outlet pipe, so that it can be reused and the loss of water resources can be reduced.

[0031] Refer to Figure 1 and Figure 2, one side of the chain 4 away from the first sprocket 3 is sleeved on the outer edge of the second sprocket 5. A protective cover is fixedly assembled on the outer side of the positioning frame 1. The first sprocket 3, the chain 4 and the second sprocket 5 are all arranged on the inner wall of the protective cover. Thus, the power of the rotation of the first sprocket 3 can be transmitted to the second sprocket 5 and the transmission shaft 6 by the chain 4. Furthermore, the conveyor belt 7 can be driven by the transmission shaft 6 to operate, realizing the conveyance of the steel plate body 14. And the protective cover can play a protective role for the first sprocket 3, the chain 4 and the second sprocket 5, ensuring that they will not be directly exposed outside.

[0032] Refer to Figure 1 , a submersible pump is fixedly assembled in the inner cavity of the water tank 16, and the output end of the submersible pump is fixedly connected to one end of the water pipe 17 close to the water tank 16. The water pipe 17 is fixedly arranged on the inner wall of the fixed cover 15. The first connecting pipe 18 is fixedly arranged on the inner wall of the fixed cover 15, and its several nozzles 19 are arranged above the steel plate body 14. So that the submersible pump can be driven to discharge the water in the inner cavity of the water tank 16 through the water pipe 17 to the inner cavity position of the first connecting pipe 18, and the steel plate body 14 is sprayed by the nozzles 19, thereby washing away the dust on the surface of the steel plate body 14 and maintaining the cleaning effect of the steel plate body 14.

[0033] Refer to Figure 4 , a circulating pump is arranged in the inner cavity of the passivation liquid tank 22, and the output end of the circulating pump is fixedly connected to one end of the conveying pipe 23 close to the passivation liquid tank 22. The heating pipe 21 is arranged in the middle of the first connecting pipe 18 and the second connecting pipe 24. So that when the steel plate body 14 moves to the position below the nozzle 25 after being cleaned by the nozzles 19 and dried by the heating pipe 21, the circulating pump can be driven to discharge the passivation liquid in the inner cavity of the passivation liquid tank 22 through the conveying pipe 23 to the inner cavity of the second connecting pipe 24, and then the steel plate body 14 is sprayed by the nozzle 25. After the spraying is completed, the driving motor 2 rotates reversely to move the steel plate body 14 towards the heating pipe 21 side, and then the steel plate body 14 sprayed with the passivation liquid is dried again to ensure its quick drying.

[0034] Refer to Figure 1 , four cushion blocks are symmetrically and fixedly assembled at the bottom of the positioning frame 1, and anti-slip patterns are arranged at the bottoms of the four cushion blocks, so that the device can be stably placed on the ground, thereby ensuring the stability during placement.

[0035] Working principle: When using this device, first place the steel plate body 14 on the top of the support bar 8 until the bottom of the steel plate body 14 is in contact with the top of the suction cup 13. Then, drive the air pump 11 to operate to generate suction into the inner cavity of the suction cup 13. Then, use the suction cup 13 to firmly adsorb the steel plate body 14 on the top of the support bar 8. Then, drive the submersible pump to discharge the water in the inner cavity of the water tank 16 through the water pipe 17 to the inner cavity position of the first connecting pipe 18, and use the nozzle 19 to spray the steel plate body 14, so as to wash away the dust on the surface of the steel plate body 14 and maintain the cleanliness of the steel plate body 14. Then, use the conveyor belt 7 to drive the steel plate body 14 to move to the position below the heating pipe 21, and use the heating pipe 21 to dry the steel plate body 14 to ensure that the steel plate body 14 is in a dry state. Then, use the conveyor belt 7 to move the steel plate body 14 to the position below the nozzle 25. Then, drive the circulating pump to discharge the passivation liquid in the inner cavity of the passivation liquid tank 22 through the delivery pipe 23 to the inner cavity of the second connecting pipe 24, and then use the nozzle 25 to perform spraying operation on the steel plate body 14. After the spraying is completed, drive the motor 2 to rotate in the reverse direction to move the steel plate body 14 to the position below the heating pipe 21, and then dry the steel plate body 14 sprayed with the passivation liquid again to ensure its rapid drying.

[0036] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present application, according to the technical solution of the present application and its inventive concept, makes equivalent replacements or changes, and should be covered within the protection scope of the present application.

Claims

1. A passivation device for galvanized steel sheets, comprising a positioning frame (1), characterized in that, A motor (2) is fixedly assembled inside the positioning frame (1). A first sprocket (3) is fixedly assembled on the power output shaft of the motor (2). A chain (4) is sleeved on the outer edge of the first sprocket (3). Two transmission shafts (6) are symmetrically and rotatably connected to the inner wall of the positioning frame (1). A second sprocket (5) is fixedly assembled on the outer side of the transmission shaft (6). A conveyor belt (7) is sleeved on the outer edges of the two transmission shafts (6). A plurality of supporting bars (8) are evenly distributed on the outer edge of the conveyor belt (7). A steel plate body (14) is placed on the top of the supporting bar (8). A fixed cover (15) is fixedly assembled on the top of the positioning frame (1). A water tank (16) and a passivation liquid bin (22) are respectively arranged on the outer side of the positioning frame (1). One end of a water pipe (17) is fixedly connected to the inner wall of the water tank (16). The other end of the water pipe (17) is fixedly connected to a first connecting pipe (18). A plurality of spray nozzles (19) are evenly and fixedly assembled on the outer edge of the first connecting pipe (18). A fixing plate (20) is fixedly assembled inside the fixed cover (15). A heating pipe (21) is fixedly assembled at the bottom of the fixing plate (20). One end of a delivery pipe (23) is fixedly connected to the inner cavity of the passivation liquid bin (22). The other end of the delivery pipe (23) is fixedly connected to a second connecting pipe (24). A plurality of nozzles (25) are evenly distributed on the outer edge of the second connecting pipe (24).

2. The passivation device for galvanized steel sheets according to claim 1, characterized in that, An air pump (11) is fixedly assembled on the top of the conveyor belt (7). An air pipe (12) is fixedly connected to the input end of the air pump (11). Two suction cups (13) are fixedly connected to the outer edge of the air pipe (12). The top of the suction cup (13) is in the same plane as the top of the supporting bar (8). The top of the suction cup (13) is attached to the bottom of the steel plate body (14).

3. A passivation device for galvanized steel sheets according to claim 1, characterized in that, A plurality of water leakage holes (9) are formed through the inner wall of the conveyor belt (7). A storage bin (10) is fixedly assembled on the inner wall of the positioning frame (1). A water outlet pipe is fixedly assembled on the outer side of the storage bin (10). A control valve is fixedly assembled on the inner wall of the water outlet pipe. The storage bin (10) is arranged below the first connecting pipe (18).

4. A passivation device for galvanized steel sheets according to claim 1, characterized in that, The side of the chain (4) away from the first sprocket (3) is sleeved on the outer edge of the second sprocket (5). A protective cover is fixedly assembled on the outer side of the positioning frame (1). The first sprocket (3), the chain (4) and the second sprocket (5) are all arranged inside the protective cover.

5. A passivation device for galvanized steel sheets according to claim 1, characterized in that, A submersible pump is fixedly assembled in the inner cavity of the water tank (16). The output end of the submersible pump is fixedly connected to one end of the water pipe (17) close to the water tank (16). The water pipe (17) is fixedly arranged on the inner wall of the fixed cover (15). The first connecting pipe (18) is fixedly arranged on the inner wall of the fixed cover (15). Its plurality of spray nozzles (19) are arranged above the steel plate body (14).

6. A passivation device for galvanized steel sheets according to claim 1, characterized in that, A circulation pump is arranged in the inner cavity of the passivation liquid bin (22). The output end of the circulation pump is fixedly connected to one end of the delivery pipe (23) close to the passivation liquid bin (22). The heating pipe (21) is arranged between the first connecting pipe (18) and the second connecting pipe (24).

7. A passivation device for galvanized steel sheets according to claim 1, characterized in that, Four cushion blocks are symmetrically and fixedly assembled at the bottom of the positioning frame (1), and anti-slip patterns are provided at the bottoms of the four cushion blocks.

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