Purification type evaporation aluminum plating device

Abstract

The utility model discloses a purification type evaporation aluminum plating device, which is arranged on a vacuum cavity and comprises a preheating mechanism, an evaporation mechanism, a heating mechanism and a cooling mechanism, and is characterized in that the preheating mechanism is used for hot melting aluminum materials to obtain molten aluminum; the drainage pipe is arranged at a discharge port of the preheating mechanism; the lifting mechanism is in transmission connection with the drainage pipe to drive the drainage pipe to move up and down so as to close or open a discharge port of the preheating mechanism; and the evaporation boat mechanism is arranged on the outlet side of the drainage pipe and used for evaporating the molten aluminum discharged by the drainage pipe. According to the purification type evaporation aluminum plating device provided by the utility model, the splashing of molten aluminum can be reduced, and the evaporation aluminum plating quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of surface treatment, in particular to a purification type evaporation aluminum plating device. Background Art

[0002] Evaporative aluminum coating is used to create aluminum films on materials such as glass and plastic, effectively serving as a thermal barrier, corrosion protection, and brightening the product's appearance. Due to its advantages such as light weight and high safety, evaporative aluminum coating has also begun to be used in the current collector industry.

[0003] The current collector substrate is a 4.5-6µm PET film, which is very thin and has poor heat resistance. Due to its specific application, it cannot have perforations in the middle. The evaporation aluminum plating process itself generates extremely high heat, and the splashing of molten aluminum caused by impurities in the aluminum wire releases a large amount of heat in a short period of time, which can easily cause perforations in the film.

[0004] Currently, most solutions on the market use higher purity aluminum wire, but 99.99% aluminum wire is more than 1.5 times more expensive than 99.9% aluminum wire, which invisibly increases production costs. Utility Model Content

[0005] In order to solve the above problems, the purpose of the present invention is to provide a purification type evaporation aluminum plating device to improve the purity of aluminum plating and reduce the problem of film perforation caused by aluminum liquid splashing.

[0006] Based on the above problems, the technical solution provided by the present invention is:

[0007] A purification type evaporation aluminum coating device, which is installed on a vacuum chamber, comprises:

[0008] A preheating mechanism, used for hot-melting aluminum materials to obtain molten aluminum;

[0009] a drainage pipe, which is arranged at the discharge port of the preheating mechanism;

[0010] a lifting mechanism, which is in driving connection with the drainage pipe to drive the drainage pipe to move up and down, so as to close or open the discharge port of the preheating mechanism;

[0011] The evaporation boat mechanism is arranged at the outlet side of the drainage pipe and is used to evaporate the aluminum liquid discharged from the drainage pipe.

[0012] In some embodiments, the preheating mechanism includes a preheating container and a heating tube assembly mounted on the preheating container, the discharge port is provided at the lower portion of the preheating container, and the heating tube assembly is connected to a heating power source.

[0013] In some embodiments, the lifting mechanism includes a bracket, a screw rod rotatably arranged on the bracket, a driving assembly for driving the screw rod to rotate, a slider threadedly connected to the screw rod, a connecting rod assembly connected to the slider at the upper end, and a fixed sleeve assembly connected to the lower end of the connecting rod assembly, and the drainage tube is installed on the fixed sleeve assembly.

[0014] In some embodiments, the drive assembly includes a first helical gear fixed to the upper end of the screw rod, a second helical gear meshing with the first helical gear, and a rotating handwheel connected to the second helical gear.

[0015] In some embodiments, the connecting rod assembly includes two connecting rods arranged parallel to each other, the two connecting rods are passed through the bracket and the upper ends are fixedly connected to the slider, and the lower ends of the two connecting rods are connected to the fixed sleeve assembly via a connecting plate.

[0016] In some embodiments, the bracket is provided with a guide sleeve for the connecting rod to be placed therein.

[0017] In some embodiments, the fixing sleeve assembly includes a first fixing sleeve fixed to the lower end of the connecting plate and a second fixing sleeve detachably connected to the first fixing sleeve, and the drainage tube is arranged between the first fixing sleeve and the second fixing sleeve.

[0018] In some embodiments, the drainage pipe includes a circular tube portion and an arc-shaped tubular portion, and the preheating container is provided with a limiting groove for the arc-shaped tubular portion to be placed on the outer periphery of the discharge port.

[0019] In some embodiments, the evaporation boat mechanism includes an evaporation boat, two electrodes disposed at two ends of the evaporation boat, and two clamping blocks for fixing the evaporation boat on the two electrodes.

[0020] In some embodiments, the evaporation boat mechanism further includes a cooling tube assembly connected to the two electrodes for cooling the two electrodes.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] (1) The aluminum wire or aluminum block is preheated and melted by the preheating mechanism. Due to the different melting points of alumina and aluminum, the alumina remains in the preheating container after preheating, while the aluminum liquid flows out, thereby purifying the aluminum liquid, thereby reducing the splashing of aluminum liquid during evaporation, reducing damage to the film, improving production quality, and reducing production costs;

[0023] (2) The drainage tube is moved up and down by the lifting mechanism, and the discharge port of the preheating container can be closed or opened to allow the aluminum liquid to stand and be discharged after preheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0025] Figure 1 This is a schematic structural diagram of an embodiment of a purification type evaporation aluminum plating device of the present utility model;

[0026] Figure 2 It is a partial structural diagram of an embodiment of the utility model;

[0027] Figure 3 This is a schematic diagram of the installation structure of an embodiment of the utility model;

[0028] Figure 4 This is a structural diagram of the lifting mechanism in an embodiment of the present utility model;

[0029] Figure 5 This is one of the structural diagrams of the cooperation between the preheating container and the drainage tube in the embodiment of the present utility model;

[0030] Figure 6 This is the second structural diagram of the cooperation between the preheating container and the drainage tube in the embodiment of the present utility model;

[0031] Figure 7 This is a schematic structural diagram of the drainage tube in an embodiment of the present utility model;

[0032] in:

[0033] 1. Preheating mechanism; 1-1. Preheating container; 1-1a. Discharge port; 1-1b. Limiting groove; 1-2. Heating tube assembly;

[0034] 2. Drainage tube; 2-1. Tubular portion; 2-2. Curved tubular portion;

[0035] 3. Lifting mechanism; 3-1. Bracket; 3-2. Screw rod; 3-3. Slider; 3-4. Connecting rod; 3-5. Fixed sleeve assembly; 3-5a. First fixed sleeve; 3-5b. Second fixed sleeve; 3-6. Drive assembly; 3-6a. First helical gear; 3-6b. Second helical gear; 3-6c. Rotating handwheel; 3-7. Guide sleeve;

[0036] 4. Evaporation boat mechanism; 4-1. Evaporation boat; 4-2. Electrode; 4-3. Clamp; 4-4. Cooling tube assembly;

[0037] 5. First support plate;

[0038] 6. Second support plate;

[0039] 7. The third support plate;

[0040] 8. Vacuum chamber wall panel. DETAILED DESCRIPTION

[0041] The above scheme is further described below with reference to specific examples. It should be understood that these examples are intended to illustrate the present invention and are not intended to limit the scope of the present invention. The implementation conditions used in the examples can be further adjusted according to the conditions of the specific manufacturer. The implementation conditions not specified are generally those used in routine experiments.

[0042] like Figures 1 to 3 , which is a structural schematic diagram of an embodiment of the present invention, provides a purification type evaporation aluminum coating device, which is installed on a vacuum chamber 8 and includes a preheating mechanism 1, a drainage pipe 2, a lifting mechanism 3 and an evaporation boat mechanism 4.

[0043] Preheating mechanism 1, used to melt aluminum materials such as aluminum wire or aluminum ingot to produce molten aluminum, comprises a preheating vessel 1-1 and a heating tube assembly 1-2 mounted on preheating vessel 1-1. A discharge port 12211-1a is provided at the bottom of preheating vessel 1-1. Heating tube assembly 1-2 is connected to a heating power source outside vacuum chamber 8. Cooling water can flow through heating tube assembly 1-2 to cool preheating vessel 1-1. Preheating vessel 1-1 preferably utilizes a graphite crucible, and the preheating temperature is approximately 800°C. At this preheating temperature, the aluminum wire or aluminum ingot can be melted, while the impurity aluminum oxide remains within preheating vessel 1-1.

[0044] The drainage pipe 2 is arranged at the discharge port 1-1a of the preheating mechanism 1 and is made of a graphite tube. Figure 7 As shown, the drainage pipe 2 includes a circular tube portion 2-1 and an arc-shaped tubular portion 2-2. A limiting groove 1-1b for the arc-shaped tubular portion 2-2 to be placed is provided on the outer periphery of the discharge port 1-1a on the preheating container 1-1. When the end surface of the arc-shaped tubular portion 2-2 abuts against the discharge port 1-1a, the discharge port 1-1a can be closed (as shown in FIG. Figure 5 As shown), the drainage pipe 2 moves downward, the arc-shaped tubular portion 2-2 moves away from the discharge port 1-1a and overlaps the limiting groove 1-1b to open the discharge port 1-1a so that the aluminum liquid can flow out (as shown in FIG. Figure 6 shown).

[0045] The lifting mechanism 3 is connected to the drainage pipe 2 and drives the drainage pipe 2 to move up and down to close or open the discharge port 1-1a of the preheating mechanism 1. Figure 4As shown, the device comprises a bracket 3-1, a screw 3-2 rotatably mounted on the bracket 3-1, a drive assembly 3-6 for driving the screw 3-2 in rotation, a slider 3-3 threadedly connected to the screw 3-2, a connecting rod assembly having its upper end connected to the slider 3-3, and a fixing sleeve assembly 3-5 connected to the lower end of the connecting rod assembly. The drainage tube 2 is mounted on the fixing sleeve assembly 3-5, and the bracket 3-1 is fixed to the vacuum chamber wall panel 8 via a first support plate 5. Thus, the drive assembly 3-6 drives the screw 3-2 to rotate, thereby driving the slider 3-3 to move axially along the screw 3-2, thereby driving the connecting rod assembly to move up and down, and further driving the fixing sleeve assembly 3-5 to move up and down.

[0046] The drive assembly 3-6 includes a first bevel gear 3-6a fixed to the upper end of the screw 3-2, a second bevel gear 3-6b meshing with the first bevel gear 3-6a, and a rotating handwheel 3-6c connected to the second bevel gear 3-6b. The rotating handwheel 3-6c extends outside the vacuum chamber. Rotating the handwheel 3-6c drives the second bevel gear 3-6b to rotate, which in turn drives the first bevel gear 3-6a to rotate, thereby driving the screw 3-2 to rotate.

[0047] The connecting rod assembly includes two parallel connecting rods 3-4. Two connecting rods 3-5 are installed on the bracket 3-1 and the upper ends are fixedly connected to the slider 3-3. The lower ends of the two connecting rods 3-4 are connected to the fixed sleeve assembly 3-5 via a connecting plate. To facilitate the up and down movement of the connecting rods 3-4, a guide sleeve 3-7 is provided on the bracket 3-1 for the connecting rods 3-4 to be placed.

[0048] The fixed sleeve assembly 3-5 includes a first fixed sleeve 3-5a fixed at the lower end of the connecting plate and a second fixed sleeve 3-5b detachably connected to the first fixed sleeve 3-5a. The drainage tube 2 is arranged between the first fixed sleeve 3-5a and the second fixed sleeve 3-5b. Specifically, the tubular portion 2-1 is arranged between the first fixed sleeve 3-5a and the second fixed sleeve 3-5b. After the second fixed sleeve 3-5b is fixedly connected to the first fixed sleeve 3-5a, the drainage tube 2 can be fixed.

[0049] The evaporation boat mechanism 4 includes an evaporation boat 4-1, two electrodes 4-2 arranged at both ends of the evaporation boat 4-1, and two clamps 4-3 for fixing the evaporation boat 4-1 to the two electrodes 4-2, one of the electrodes 4-2 is fixed to the vacuum chamber wall plate 8, and the other electrode 4-2 is fixed to the vacuum chamber wall plate 8 via a support plate assembly, and the support plate assembly includes a second support plate 6 and a third support plate 7 connected to each other.

[0050] In order to facilitate cooling of the two electrodes 4 - 2 , the evaporation boat mechanism 4 further includes a cooling tube assembly 4 - 4 connected to the two electrodes 4 - 2 . The cooling tube assembly 4 - 4 extends outside the vacuum chamber and is cooled by water.

[0051] The working principle of this utility model is:

[0052] Aluminum wire or aluminum block is added to the preheating container 1-1 and sealed. At this time, the drainage tube 2 blocks the discharge port 1-1a and is heated to 800°C by the heating tube assembly 1-2. The aluminum wire or aluminum block is melted into aluminum liquid, and the impurity aluminum oxide is precipitated in the preheating container 1-1. After standing for a period of time, the lifting mechanism 3 drives the drainage tube 2 downward, the discharge port 1-1a is opened, and the aluminum liquid flows to the 1400°C evaporation boat 4-1 for evaporation to be plated onto the thin film substrate. After the aluminum plating is completed, the two electrodes 4-2 and the preheating container 1-1 are cooled separately.

[0053] In summary, the evaporation aluminum plating device can purify the aluminum liquid, reduce the splashing of the aluminum liquid during evaporation aluminum plating, and improve the production efficiency and quality of aluminum plating.

[0054] The above examples are intended only to illustrate the technical concepts and features of this utility model. Their purpose is to enable those familiar with the art to understand the content of this utility model and implement it accordingly. They are not intended to limit the scope of protection of this utility model. Any equivalent changes or modifications based on the spirit of this utility model shall be included in the scope of protection of this utility model.

Claims

1. A purification type aluminum evaporation device, which is installed on a vacuum chamber, characterized in that: include: A preheating mechanism, used for hot-melting aluminum materials to obtain molten aluminum; a drainage pipe, which is arranged at the discharge port of the preheating mechanism; a lifting mechanism, which is in driving connection with the drainage pipe to drive the drainage pipe to move up and down, so as to close or open the discharge port of the preheating mechanism; The evaporation boat mechanism is arranged at the outlet side of the drainage pipe and is used to evaporate the aluminum liquid discharged from the drainage pipe.

2. The purification type aluminum evaporation coating device according to claim 1, characterized in that: The preheating mechanism includes a preheating container and a heating tube assembly sleeved on the preheating container. The discharge port is provided at the lower portion of the preheating container, and the heating tube assembly is connected to a heating power source.

3. The purification type aluminum evaporation coating device according to claim 2, characterized in that: The lifting mechanism includes a bracket, a screw rod rotatably arranged on the bracket, a driving assembly for driving the screw rod to rotate, a slider threadedly connected to the screw rod, a connecting rod assembly with the upper end connected to the slider, and a fixing sleeve assembly connected to the lower end of the connecting rod assembly, and the drainage tube is installed on the fixing sleeve assembly.

4. The purification type aluminum evaporation coating device according to claim 3, characterized in that: The driving assembly includes a first helical gear fixed to the upper end of the screw rod, a second helical gear meshing with the first helical gear, and a rotating hand wheel connected to the second helical gear.

5. The purification type aluminum evaporation coating device according to claim 3, characterized in that: The connecting rod assembly includes two connecting rods arranged parallel to each other. The two connecting rods are inserted into the bracket and the upper ends are fixedly connected to the slider. The lower ends of the two connecting rods are connected to the fixed sleeve assembly via a connecting plate.

6. The purification type aluminum evaporation coating device according to claim 5, characterized in that: The bracket is provided with a guide sleeve for the connecting rod to be placed in.

7. The purification type aluminum evaporation coating device according to claim 5, characterized in that: The fixing sleeve assembly includes a first fixing sleeve fixed to the lower end of the connecting plate and a second fixing sleeve detachably connected to the first fixing sleeve, and the drainage tube is arranged between the first fixing sleeve and the second fixing sleeve.

8. The purification type aluminum evaporation coating device according to claim 7, characterized in that: The drainage pipe includes a circular tube portion and an arc-shaped tubular portion, and a limiting groove for the arc-shaped tubular portion to be placed is provided on the preheating container at the outer periphery of the discharge port.

9. The purification type aluminum evaporation coating device according to claim 1, characterized in that: The evaporation boat mechanism includes an evaporation boat, two electrodes arranged at two ends of the evaporation boat, and two clamping blocks for fixing the evaporation boat on the two electrodes.

10. The purification type aluminum evaporation coating device according to claim 9, characterized in that: The evaporation boat mechanism further includes a cooling tube assembly connected to the two electrodes for cooling the two electrodes.

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