Pretreatment device for aluminum coil before painting

Abstract

The utility model discloses an aluminum roll coating pretreatment device before, including first uncoiler, the discharge end of first uncoiler is equipped with flattener, the discharge end of flattener is equipped with tab machine, the discharge end of tab machine is equipped with storage machine, the discharge end of discharge machine is equipped with cleaning machine, the discharge end of cleaning machine is equipped with first dryer, the discharge end of first dryer is equipped with passivation roll coater, the discharge end of passivation roll coater is equipped with second dryer, the discharge end of second dryer is equipped with cooling furnace, and the discharge end of cooling furnace is equipped with first drive machine, the discharge end of passivation roll coater is equipped with support, and the support is connected with industrial camera. Compared with prior art, the utility model increases industrial camera before passivation roll coater, when the joint of two aluminum materials is shot by industrial camera, two coating rollers of passivation roll coater are separated, avoid the flash and burr at joint to damage coating roller, guarantee the passivation liquid coating effect of follow -up.

Description

Technical Field

[0001] This utility model relates to the field of aluminum coil coating technology, and in particular to a pretreatment device for aluminum coil coating. Background Technology

[0002] Aluminum composite panels are commonly used components in the construction industry. Their unique properties determine their wide range of applications: they can be used for building exterior walls, curtain wall panels, renovation of old buildings, interior wall and ceiling decoration, advertising signs, display stands, and cleanroom dust control projects, making them a new type of building decoration material. Thin aluminum sheets are an important component of aluminum composite panels. To improve corrosion resistance and aesthetics, the thin aluminum sheets need to be coated before being laminated with the core material.

[0003] Before coating, aluminum materials require pretreatment, which involves a sheet joining machine and a passivation roller coater. The sheet joining machine connects two thin aluminum sheets together using a mold, ensuring the continuity of the coating process. However, in actual operation, a noticeable joint remains after the two thin aluminum sheets are joined, with burrs and flash at the joint. This can easily damage the rubber rollers of the passivation roller coater, thus affecting the subsequent passivation solution coating effect. Utility Model Content

[0004] The purpose of this utility model is to provide a pretreatment device for aluminum coil coating. An industrial camera is added in front of the passivation roller coating machine. When the industrial camera captures the joint of two aluminum coils, the two coating rollers of the passivation roller coating machine separate, avoiding damage to the coating rollers by burrs and flash at the joint, and ensuring the subsequent passivation liquid coating effect, so as to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: A pretreatment device for aluminum coil coating includes a first uncoiler, a leveler at the discharge end of the first uncoiler, a sheet-joining machine at the discharge end of the leveler, a storage machine at the discharge end of the sheet-joining machine, a cleaning machine at the discharge end of the first uncoiler, a first dryer at the discharge end of the cleaning machine, a passivation roller coating machine at the discharge end of the first dryer, a second dryer at the discharge end of the passivation roller coating machine, a cooling furnace at the discharge end of the second dryer, and a first drive motor at the discharge end of the cooling furnace; a bracket is provided at the discharge end of the passivation roller coating machine, and an industrial camera is connected to the bracket.

[0006] A further improvement of this utility model is that it also includes a second uncoiler, which is arranged in front of and behind the first uncoiler, and a guide frame is provided above the second uncoiler to guide the aluminum material of the first uncoiler through.

[0007] A further improvement of this utility model is that the storage machine includes a frame, with several fixed guide wheels connected to the bottom end of the frame, and a lifting frame slidably fitted on the frame; a bidirectional reduction motor is connected to the frame, and a drum is connected to the power output end of the bidirectional reduction motor, a sling is connected to the drum, the bottom end of the sling is connected to the lifting frame, and several movable guide wheels are connected to the lifting frame.

[0008] A further improvement of this utility model is that the passivation roller coating machine includes a frame, on which two rubber coating rollers are rotatably connected. The frame is equipped with two drive motors for rotating the coating rollers. The two coating rollers are arranged vertically, and cylinders are connected to both ends of the upper coating roller. The cylinders drive one coating roller to approach or move away from the other coating roller.

[0009] A further improvement of this utility model is that a second drive motor is provided between the wafer receiving machine and the storage machine, and a third drive motor is provided between the storage machine and the cleaning machine.

[0010] A further improvement of this utility model is that the first drive motor, the second drive motor, and the third drive motor are all roller conveyors.

[0011] A further improvement of this utility model is that the cleaning machine is a water washing tank, and multiple cleaning machines are arranged in parallel.

[0012] A further improvement of this utility model is that both the first drying oven and the second drying oven are tunnel-type hot air dryers.

[0013] A further improvement of this utility model is that a shearing machine is connected between the second uncoiler and the leveler.

[0014] The beneficial effects of this utility model are: The aluminum coil pretreatment device of this utility model adds an industrial camera in front of the passivation roller coating machine. When the industrial camera captures the joint of two aluminum coils, the two coating rollers of the passivation roller coating machine separate, avoiding damage to the coating rollers by burrs and flash at the joint, and ensuring the subsequent passivation liquid coating effect.

[0015] The aluminum coil pretreatment device of this utility model has a storage machine that can store a certain length of aluminum material, which can provide 2-3 minutes of material for the splicing machine to splice the sheets, ensuring that the machine can be changed without stopping.

[0016] The aluminum coil pretreatment device of this utility model has two uncoilers arranged in parallel, one uncoiling while the other feeds, ensuring that the machine does not stop when changing materials and improving work efficiency.

[0017] The aluminum coil pretreatment device of this utility model has a shearing machine connected between the second uncoiler and the leveler to facilitate the cutting of the waste head of the aluminum coil. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a partial structural schematic diagram of the present invention.

[0020] Figure 3 This is a partial structural schematic diagram of the present invention.

[0021] Figure 4 This is a partial structural schematic diagram of the present invention.

[0022] Figure 5 This is a partial structural schematic diagram of the present invention.

[0023] In the diagram: 1-First uncoiler, 2-Leveler, 3-Sheet splicer, 4-Storage machine, 401-Frame, 402-Fixed guide roller, 403-Lifting frame, 404-Bidirectional geared motor, 405-Roll drum, 406-Modible guide roller, 5-Washing machine, 6-First dryer, 7-Passivation roller coating machine, 701-Frame, 702-Paint roller, 703-Cylinder, 8-Second dryer, 9-Cooling furnace, 10-First drive motor, 11-Bracket, 12-Industrial camera, 13-Second uncoiler, 14-Guide frame, 15-Second drive motor, 16-Third drive motor, 17-Shearing machine, 18-Aluminum coil, 1801-Thin aluminum sheet. Detailed Implementation

[0024] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0025] Example 1: As Figures 1-5 As shown, an aluminum coil pretreatment device includes a first uncoiler 1, a leveler 2 at the discharge end of the first uncoiler 1, a sheet-joining machine 3 at the discharge end of the leveler 2, a storage machine 4 at the discharge end of the sheet-joining machine 3, a cleaning machine 5 at the discharge end of the discharge machine, a first dryer 6 at the discharge end of the cleaning machine 5, a passivation roller coating machine 7 at the discharge end of the first dryer 6, a second dryer 8 at the discharge end of the passivation roller coating machine 7, a cooling furnace 9 at the discharge end of the second dryer 8, and a first drive motor 10 at the discharge end of the cooling furnace 9; a support 11 is provided at the discharge end of the passivation roller coating machine 7, and an industrial camera 12 is connected to the support 11.

[0026] It also includes a second uncoiler 13, which is arranged in front of and behind the first uncoiler 1. A guide frame 14 is provided above the second uncoiler 13 to guide the aluminum material of the first uncoiler 1 through.

[0027] The storage machine 4 includes a frame 401, with several fixed guide wheels 402 connected to the bottom end of the frame 401, and a lifting frame 403 slidably fitted on the frame 401; a bidirectional reduction motor 404 is connected to the frame 401, and a drum 405 is connected to the power output end of the bidirectional reduction motor 404; a sling is connected to the drum 405, and the bottom end of the sling is connected to the lifting frame 403; several movable guide wheels 406 are connected to the lifting frame 403.

[0028] The passivation roller coating machine 7 includes a frame 701, on which two rubber coating rollers 702 are rotatably connected. The frame 701 is equipped with a drive motor for rotating the two coating rollers 702. The two coating rollers 702 are arranged vertically. The two ends of the upper coating roller 702 are connected to cylinders 703. The cylinders 703 drive one coating roller 702 to approach or move away from the other coating roller 702.

[0029] A second drive motor 15 is provided between the wafer receiving machine 3 and the storage machine 4, and a third drive motor 16 is provided between the storage machine 4 and the cleaning machine 5.

[0030] The first drive motor 10, the second drive motor 15, and the third drive motor 16 are all clamping roller conveyors.

[0031] The cleaning machine 5 is a water washing tank, and there are multiple cleaning machines 5 arranged in parallel.

[0032] Both the first and second drying ovens are tunnel-type hot air dryers.

[0033] Example 2: This example is a further improvement on Example 1. The main improvement is that in Example 1, before replacing the aluminum coil 18, it was necessary to cut off the uneven ends of the aluminum coil 18 offline, which was quite troublesome; while in this example, the above-mentioned defects can be avoided. Specifically: A shearing machine 17 is connected between the second uncoiler 13 and the leveler 2. In this embodiment, the shearing machine 17 is connected between the second uncoiler 13 and the leveler 2 to facilitate the cutting off of the waste head of the aluminum coil 18 and ensure that the joint of the aluminum coil 18 is flush.

[0034] Apart from the above, this embodiment is exactly the same as Embodiment 1, and will not be described again here.

[0035] The specific working principle of this utility model is as follows: This device is part of the aluminum coil 18 coating line and is mainly used for pretreatment before coating. It is used in conjunction with the PLC controller of the aluminum coil 18 coating line.

[0036] During operation, the thin aluminum sheet 1801 is released from the first uncoiler 1, and the uneven material ends are cut off by the shearing machine 17. Then, it is straightened by the leveling machine 2 and enters the storage machine 4. When the thin aluminum sheet 1801 enters the storage machine 4, it enters from the fixed guide wheel 402 and winds around the movable guide wheel 406, and then returns from the movable guide wheel 406 to the fixed guide wheel 402. After repeatedly winding up and down, it enters the cleaning machine 5. The bidirectional reduction motor 404 drives the drum 405 to rotate in the forward direction, and the lifting frame 403 moves upward. The thin aluminum sheet 1801 is stretched and stored in the storage machine 4; the front section of the cleaning machine 5 is for degreasing and the rear section is for rinsing; after rinsing, it enters the first dryer 6, and after exiting the first dryer 6, it passes through the coating roller 702 of the passivation roller coating machine 7 to be coated with passivation liquid, and then passes through the second dryer 8 before entering the coating process; the power source for the movement of the thin aluminum sheet 1801 comes from the first drive motor 10, the second drive motor 15 and the third drive motor 16, and the thin aluminum sheet 1801 is guided or changed direction by multiple guide wheels.

[0037] After the aluminum coil 18 on the first uncoiler 1 is unloaded, the second uncoiler 13 begins to unload material. The tail end of the thin aluminum sheet 1801 of the previous coil and the head end of the thin aluminum sheet 1801 of the second coil are joined together by the mold of the splicing machine 3. During the 2-3 minutes of operation of the splicing machine 3, in order to ensure that the coating line does not stop, the material stored in the storage machine 4 is used. The bidirectional geared motor 404 drives the drum 405 to rotate in the opposite direction, the lifting frame 403 moves downward, and the thin aluminum sheet 1801 is pulled out. After splicing is completed, the above material storage action continues. When the joint reaches the industrial... When the camera 12 is below, the PLC controller determines that this is the joint based on the image data transmitted by the industrial camera 12. The PLC controller sends a signal to the solenoid valve of the cylinder 703. After the cylinder 703 retracts, the upper paint roller 702 moves away from the lower paint roller 702, and the joint of the thin aluminum plate 1801 passes through the two paint rollers to avoid damage to the rubber paint roller 702 by burrs. After the thin aluminum plate 1801 passes through the paint roller 702, the cylinder 703 extends, and the upper paint roller 702 moves downward to approach the lower paint roller 702.

[0038] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent transformations or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A pretreatment device for aluminum coils before coating, characterized in that: The equipment includes a first uncoiler (1), a leveler (2) at the discharge end of the first uncoiler (1), a sheet-joining machine (3) at the discharge end of the leveler (2), a storage machine (4) at the discharge end of the sheet-joining machine (3), a cleaning machine (5) at the discharge end of the discharge machine (5), a first dryer (6) at the discharge end of the cleaning machine (5), a passivation roller coating machine (7) at the discharge end of the first dryer (6), a second dryer (8) at the discharge end of the passivation roller coating machine (7), a cooling furnace (9) at the discharge end of the second dryer (8), and a first drive motor (10) at the discharge end of the cooling furnace (9); the passivation roller coating machine (7) has a support (11) at the discharge end, and an industrial camera (12) is connected to the support (11).

2. The aluminum coil pretreatment device as described in claim 1, characterized in that: It also includes a second uncoiler (13), which is arranged in front of and behind the first uncoiler (1). A guide frame (14) is provided above the second uncoiler (13) to guide the aluminum material of the first uncoiler (1) through.

3. The aluminum coil pretreatment device as described in claim 1 or 2, characterized in that: The storage machine (4) includes a frame (401), with several fixed guide wheels (402) connected to the bottom end of the frame (401), and a lifting frame (403) slidably fitted on the frame (401); a bidirectional geared motor (404) is connected to the frame (401), and a drum (405) is connected to the power output end of the bidirectional geared motor (404), a sling is connected to the drum (405), the bottom end of the sling is connected to the lifting frame (403), and several movable guide wheels (406) are connected to the lifting frame (403).

4. The aluminum coil pretreatment device according to claim 1, characterized in that: The passivation roller coating machine (7) includes a frame (701), on which two rubber coating rollers (702) are rotatably connected. The frame (701) is equipped with a drive motor for rotating the two coating rollers (702). The two coating rollers (702) are arranged vertically. The upper coating roller (702) is connected to two cylinders (703) at both ends. The cylinders (703) drive one coating roller (702) to approach or move away from the other coating roller (702).

5. The aluminum coil pretreatment device as described in claim 1, characterized in that: A second drive motor (15) is provided between the sheet receiving machine (3) and the storage machine (4), and a third drive motor (16) is provided between the storage machine (4) and the cleaning machine (5).

6. The aluminum coil pretreatment device as described in claim 4, characterized in that: The first drive motor (10), the second drive motor (15), and the third drive motor (16) are all roller conveyors.

7. The aluminum coil pretreatment device as described in claim 1, characterized in that: The cleaning machine (5) is a water washing tank, and there are multiple cleaning machines (5) arranged in parallel.

8. The aluminum coil pretreatment device as described in claim 1, characterized in that: Both the first drying oven and the second drying oven are tunnel-type hot air dryers.

9. The aluminum coil pretreatment device as described in claim 1, characterized in that: A shearing machine (17) is connected between the second uncoiler (13) and the leveler (2).

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