Cold-rolled coil passivation equipment

Abstract

The invention discloses cold-rolled coil passivation equipment which comprises a box body, a partition plate is arranged in the middle of the box body and divides the box body into a cleaning cavity and a passivation liquid cavity, first guide shafts are arranged at the two ends of the box body correspondingly, and a second guide shaft is arranged at the upper end of the partition plate; a plurality of first roller shafts are arranged in the cleaning cavity, a plurality of second roller shafts are arranged in the passivation liquid cavity, brush rollers are arranged in the cleaning cavity in an up-down spaced mode, one ends of the brush rollers extend out of the box body and are connected with gears, the two gears are meshed, a motor is arranged on the side face of the box body, and the motor is connected with the brush rollers. An output shaft of the motor is connected with one of the brush rollers; the problems that in passivation equipment in the prior art, a spraying mode is adopted, the passivation effect is poor, a steel coil cannot effectively make full contact with passivation liquid, meanwhile, the steel coil cannot be effectively cleaned before passivation, follow-up surface film covering is affected, effective drying cannot be conducted after passivation, and the film covering efficiency is reduced are solved.

Description

Technical Field

[0001] The invention relates to cold rolled coil processing equipment, in particular to a cold rolled coil passivation equipment. Background Art

[0002] The passivation treatment of cold rolled coil is a surface treatment process. The passivation treatment usually uses a passivating agent to treat the metal, and forms a very thin, dense, and good coverage passivation film on the metal surface. This film can completely separate the metal from the corrosive medium and prevent the metal from contacting the corrosive medium, so that the metal basically stops dissolving and forms a passive state to achieve the effect of corrosion protection. For example, a Chinese patent with patent number CN201610841796.2 provides a steel plate passivation device, including a steel plate unwinding device, a steel plate, a coating passivation device, a drying device and a steel plate winding device, wherein the coating passivation device includes a passivation coating component, a passivation liquid buffer tank and a passivation liquid preparation tank which are sequentially connected by pipelines, and the pipelines are correspondingly provided with valves and circulation pumps that can control the flow; the passivation coating component includes an upper coating component and a lower coating component which are relatively arranged and have similar structures, the coating component includes a passivation liquid chamber and a coating sponge fixedly arranged on the inner side of the passivation liquid chamber and connected to the chamber, the passivation liquid chamber is divided into an outer chamber and an inner chamber by a partition, and an opening is provided at the position of the partition close to the passivation liquid chamber, and a sealing door is provided at the opening. The passivation equipment in the prior art, such as the one mentioned above, adopts a spraying method, and has a poor passivation effect. The steel coil cannot be effectively contacted with the passivation liquid. At the same time, the steel coil cannot be effectively cleaned before passivation, which affects the subsequent surface coating. After passivation, it cannot be effectively dried, which reduces the coating efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a cold-rolled coil passivation device, which solves the problem that the passivation equipment in the prior art adopts a spraying method, the passivation effect is poor, the steel coil cannot be effectively and fully contacted with the passivation liquid, and the steel coil cannot be effectively cleaned before passivation, which affects the subsequent surface coating. After passivation, it cannot be effectively dried, which reduces the coating efficiency.

[0004] In order to achieve the above-mentioned purpose, the present invention provides a cold-rolled coil passivation equipment, which includes a box body, a partition is arranged in the middle of the box body, and the partition divides the box body into a cleaning chamber and a passivation liquid chamber. First guide shafts are respectively arranged at both ends of the box body, and a second guide shaft is arranged at the upper end of the partition. A plurality of first rollers are arranged in the cleaning chamber, and a plurality of second rollers are arranged in the passivation liquid chamber. Brush rollers are arranged at upper and lower intervals in the cleaning chamber, one end of the brush roller extends out of the box body and is connected to a gear, and the two gears are meshed with each other. A motor is arranged on the side of the box body, and the output shaft of the motor is connected to one of the brush rollers.

[0005] Preferably, limit plates are respectively arranged at both ends of the opening of the box body, and the limit plates are slidably arranged on the first guide shaft and the second guide shaft.

[0006] Preferably, the limit plates are respectively connected to racks through brackets, the racks are located below the box body, a driving motor is provided on the bottom surface of the box body, a gear is connected to the output shaft of the driving motor, and the racks are respectively meshed with the gears.

[0007] Preferably, a sliding seat is provided at the bottom of the box body, and the rack is at least partially slidably disposed in the sliding seat.

[0008] Preferably, the box body is provided with liquid discharge pipes respectively connected with the cleaning chamber and the passivation liquid chamber.

[0009] Preferably, the first guide shaft, the second guide shaft, the first roller shaft and the second roller are all provided with rubber sleeves.

[0010] Preferably, the number of the first rollers and the number of the second rollers are no less than 2 sets respectively.

[0011] Preferably, a drying chamber is provided at one end of the box body close to the passivation liquid chamber, hot air blowers are provided at upper and lower intervals inside the drying chamber, and air inlet pipes are provided outside the drying chamber, and the air inlet pipes are respectively connected to the hot air blowers.

[0012] Beneficial effects: The present invention provides a cold-rolled coil passivation device, which includes a box body, a partition is provided in the middle of the box body, the partition divides the box body into a cleaning chamber and a passivation liquid chamber, first guide shafts are provided at both ends of the box body, a second guide shaft is provided at the upper end of the partition, a plurality of first rollers are provided in the cleaning chamber, a plurality of second rollers are provided in the passivation liquid chamber, brush rollers are provided at upper and lower intervals in the cleaning chamber, one end of the brush roller extends out of the box body and is connected to a gear, the two gears are meshed, a motor is provided on the side of the box body, and the output shaft of the motor is connected to one of the brush rollers. During operation, the steel coil is guided from the first guide shaft to the first roller in the cleaning chamber, and then guided through the second guide shaft to the second roller in the passivation liquid chamber, and then led out of the box. The steel coil part is located between the two brush rollers. After the steel coil is pulled, it is first cleaned in the cleaning chamber with the help of the brush roller. After cleaning, it is introduced into the passivation liquid chamber for immersion. The cold-rolled coil passivation equipment provided by the present invention can be immersed in the passivation liquid chamber, which greatly increases the time that its surface contacts the passivation liquid, is beneficial to the formation of a surface film, and can effectively clean its surface before passivation treatment, thereby improving the effect of subsequent coating.

[0013] Other features and advantages of the present invention will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present invention but do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 is a first structural diagram of the cold rolled coil passivation equipment provided by the present invention;

[0016] Figure 2 is a second structural diagram of the cold rolled coil passivation equipment provided by the present invention;

[0017] Figure 3 is a cross-sectional view of a cold rolled coil passivation device provided by the present invention;

[0018] Figure 4 This is a bottom structural diagram of the cold rolled coil passivation equipment provided by the present invention.

[0019] Description of Reference Numerals

[0020] 1-box; 2-first guide shaft; 3-second guide shaft; 4-first roller; 5-second roller; 6-gear; 7-brush roller; 8-partition; 9-limiting plate; 10-liquid discharge pipe; 11-drying chamber; 12-air inlet pipe; 13-bracket; 14-hot air blower; 15-rack; 16-gear; 17-sliding seat; 18-motor. DETAILED DESCRIPTION

[0021] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the present invention.

[0022] like Figure 1-4As shown: The present invention provides a cold-rolled coil passivation device, which includes a box body 1, a partition 8 is arranged in the middle of the box body 1, and the partition 8 divides the box body 1 into a cleaning chamber and a passivation liquid chamber, and first guide shafts 2 are respectively arranged at both ends of the box body 1, and a second guide shaft 3 is arranged at the upper end of the partition 8. A plurality of first roller shafts 4 are arranged in the cleaning chamber, and a plurality of second roller shafts 5 are arranged in the passivation liquid chamber. Brush rollers 7 are arranged at upper and lower intervals in the cleaning chamber, and one end of the brush roller 7 extends out of the box body 1 and is connected to a gear 6, and the two gears 6 are meshed with each other. A motor 18 is arranged on the side of the box body 1, and the output shaft of the motor 18 is connected to one of the brush rollers 7. During operation, the steel coil is guided from the first guide shaft to the first roller in the cleaning chamber, and then guided through the second guide shaft to the second roller in the passivation liquid chamber, and then led out of the box. The steel coil part is located between the two brush rollers. After the steel coil is pulled, it is first cleaned in the cleaning chamber with the help of the brush roller. After cleaning, it is introduced into the passivation liquid chamber for immersion. The cold-rolled coil passivation equipment provided by the present invention can be immersed in the passivation liquid chamber, which greatly increases the time that its surface contacts the passivation liquid, is beneficial to the formation of a surface film, and can effectively clean its surface before passivation treatment, thereby improving the effect of subsequent coating.

[0023] In a preferred embodiment of the present invention, in order to limit the steel coil according to different widths and avoid it from being skewed during traction, limiting plates 9 are respectively provided at both ends of the opening of the box body 1, and the limiting plates 9 are slidably provided on the first guide shaft 2 and the second guide shaft 3.

[0024] In a preferred embodiment of the present invention, in order to adjust the distance between the two limit plates at the same time, the limit plates 9 are connected to racks 15 through brackets 13, the racks 15 are located below the box body 1, a driving motor is provided on the bottom surface of the box body 1, a gear 16 is connected to the output shaft of the driving motor, and the racks 15 are respectively meshed with the gears 16. The driving motor can drive the gears to rotate, so that the racks can drive the two limit plates closer or farther away.

[0025] In a preferred embodiment of the present invention, in order to limit the displacement of the rack, a sliding seat 17 is provided at the bottom of the box body 1 , and the rack 16 is at least partially slidably disposed in the sliding seat 17 .

[0026] In a preferred embodiment of the present invention, in order to facilitate the discharge of liquid in the cleaning chamber and the passivation liquid chamber, the box body 1 is provided with a liquid discharge pipe 10 which is respectively connected with the cleaning chamber and the passivation liquid chamber.

[0027] In a preferred embodiment of the present invention, in order to prevent the guide rollers and roller shafts from damaging the surface of the steel coil during traction, rubber sleeves are provided on the first guide shaft 2, the second guide shaft 3, the first roller shaft 4 and the second roller shaft 5.

[0028] In a preferred embodiment of the present invention, in order to increase the residence time of the steel coil in the box, the number of the first rollers 4 and the second roller shafts 5 is no less than 2 sets respectively.

[0029] In a preferred embodiment of the present invention, in order to be able to dry the passivated steel coils in time and improve the coating efficiency, a drying bin 11 is provided at one end of the box body 1 close to the passivation liquid chamber, and hot air blowers 14 are provided at upper and lower intervals inside the drying bin 11, and an air inlet pipe 12 is provided outside the drying bin 11, and the air inlet pipes 12 are respectively connected to the hot air blowers 14.

[0030] The preferred embodiments of the present invention are described in detail above in conjunction with the accompanying drawings. However, the present invention is not limited to the specific details in the above embodiments. Within the technical concept of the present invention, a variety of simple modifications can be made to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.

[0031] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present invention will not further describe various possible combinations.

[0032] In addition, various embodiments of the present invention may be arbitrarily combined, and as long as they do not violate the concept of the present invention, they should also be regarded as the contents disclosed by the present invention.

Claims

1. A cold rolled coil passivation device, characterized in that: The cold rolled coil passivation equipment comprises a box body (1), a partition (8) is arranged in the middle of the box body (1), the partition (8) divides the box body (1) into a cleaning chamber and a passivation liquid chamber, first guide shafts (2) are arranged at both ends of the box body (1), a second guide shaft (3) is arranged at the upper end of the partition (8), a plurality of first roller shafts (4) are arranged in the cleaning chamber, a plurality of second roller shafts (5) are arranged in the passivation liquid chamber, brush rollers (7) are arranged at intervals above and below in the cleaning chamber, one end of the brush roller (7) extends out of the box body (1) and is connected to a gear (6), the two gears (6) are meshed with each other, a motor (18) is arranged on the side of the box body (1), and the output shaft of the motor (18) is connected to one of the brush rollers (7).

2. The cold rolled coil passivation equipment according to claim 1, characterized in that: Limiting plates (9) are respectively arranged at both ends of the opening of the box body (1), and the limiting plates (9) are slidably arranged on the first guide shaft (2) and the second guide shaft (3).

3. The cold rolled coil passivation equipment according to claim 2, characterized in that: The limit plates (9) are connected to racks (15) via brackets (13), the racks (15) are located below the box body (1), a driving motor is provided on the bottom surface of the box body (1), a gear (16) is connected to the output shaft of the driving motor, and the racks (15) are respectively meshed with the gears (16).

4. The cold rolled coil passivation equipment according to claim 3, characterized in that: A sliding seat (17) is provided at the bottom of the box body (1), and the rack (16) is at least partially slidably arranged in the sliding seat (17).

5. The cold rolled coil passivation equipment according to claim 4, characterized in that: The box body (1) is provided with a liquid discharge pipe (10) which is respectively connected to the cleaning chamber and the passivation liquid chamber.

6. The cold rolled coil passivation equipment according to claim 5, characterized in that: The first guide shaft (2), the second guide shaft (3), the first roller shaft (4) and the second roller shaft (5) are all provided with rubber sleeves.

7. The cold rolled coil passivation equipment according to claim 6, characterized in that: The number of the first rollers (4) and the number of the second rollers (5) are no less than 2 sets respectively.

8. The cold rolled coil passivation equipment according to claim 7, characterized in that: A drying chamber (11) is arranged at one end of the box body (1) close to the passivation liquid chamber, and hot air blowers (14) are arranged at upper and lower intervals inside the drying chamber (11). An air inlet pipe (12) is arranged outside the drying chamber (11), and the air inlet pipe (12) is respectively connected to the hot air blowers (14).

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