Upper end straight-in type evaporation boat and vacuum coating machine

Abstract

The utility model discloses an upper end straight-in type evaporation boat and a vacuum coating machine, the upper end straight-in type evaporation boat comprises a box body, a liquid dropping cavity and an evaporation cavity positioned below the liquid dropping cavity are arranged in the box body, one side of the upper end of the liquid dropping cavity is provided with a straight-in notch for a liquid dropping nozzle to enter, and the other side of the upper end of the liquid dropping cavity is provided with a straight-in groove. The direct-in notch is composed of an upper notch located on the liquid dropping cavity and a side notch located on the side face of the liquid dropping cavity, the upper notch and the side notch are communicated, the liquid dropping cavity and the evaporation cavity are communicated through a falling-in opening, and liquid plating materials dropping into the liquid dropping cavity fall into the evaporation cavity from the falling-in opening. The evaporation boat can directly collect all liquid plating materials output by a liquid dropping nozzle of the liquid dropping device in a vacuum environment. The vacuum coating machine adopts the upper end straight-in type evaporation boat, a valve does not need to be arranged, the complexity degree is lower, in the liquid coating material adding process, vacuum breaking and re-vacuumizing operation does not need to be carried out on the liquid adding chamber, and the efficiency is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum coating technology field, concretely relates to a kind of upper end direct type evaporation boat and vacuum coating machine. BACKGROUND

[0002] Current on decorative film, even optical film, more and more consider in top layer again add a layer of AF film (AF refers to anti-fingerprint or called AS anti-pollution). AF plating material is perfluoroether polymer, belongs to organic matter, with very strong hydrophobicity. It belongs to lower temperature evaporation material, starts to evaporate at 140-150 degrees. Can be deposited on glass, plastic, sapphire, microcrystalline zirconium ceramic substrate etc.. Film layer has strong hydrophobicity, fingerprint and contaminant on surface is easily wiped off. AF film layer is widely used in digital products, watches, bathroom etc. glass, metal, plastic, ceramic material panel, part surface, and their surface decoration and functional film, can be plated AF, AS coating, can improve surface hardness, smoothness, wear resistance, chemical resistance and easy cleaning, more and more plated decorative film products are popularized AF film.

[0003] And plating AF film needs to use corresponding vacuum coating machine, one of which is to use AF liquid plating material, plating film needs to be dropped to evaporation boat (to avoid collision, the drop liquid nozzle of drop liquid device and evaporation boat need to have a certain distance) by drop liquid device when plating film, then evaporation boat is sent into plating chamber together with liquid plating material on it, power heating is carried out to evaporation boat, so that liquid plating material evaporates. In the process of dropping liquid plating material to evaporation boat, if it is in vacuum state, liquid plating material output from the drop liquid nozzle 15.1 of drop liquid device 15 will be dispersed and sprayed due to pressure difference, as shown in Figure 8 , this will cause part of liquid plating material to fall outside evaporation boat, cause the liquid plating material added on evaporation boat to be less, affect plating film quality, and cause waste of liquid plating material.

[0004] Therefore, in order to realize that the liquid plating material can be accurately dropped on the evaporation boat, the space where the evaporation boat is located needs to be broken vacuum and be in an atmospheric environment. A film plating mechanism capable of being isolated and communicated with a film plating main cabin and a vacuum film plating machine are disclosed in Chinese Patent No. 202320061982X. The film plating mechanism is provided with a valve for isolation. The evaporation boat is fixed at the front end of two parallel electrode rods. The tail end of the electrode rod is connected to the telescopic mechanism through an insulating seat. Whenever liquid plating material needs to be added to the evaporation boat, the evaporation boat is retracted to the lower side of the drop nozzle of the drop device through the telescopic mechanism. Then, the valve is closed to isolate the space where the evaporation boat is located from the film plating chamber. The space where the evaporation boat is located is broken vacuum. Then, the liquid plating material is dropped on the evaporation boat through the drop device. After the addition of the liquid plating material is completed, the space where the evaporation boat is located needs to be re-evacuated. Then, the valve is opened. The evaporation boat is sent into the film plating chamber through the telescopic mechanism. Then, the film plating operation can be continued.

[0005] It can be seen that, in the above film plating process, the process of adding liquid plating material each time needs to be closed, broken vacuum, re-evacuated, opened, and the like. The operation is relatively complex and time-consuming, which affects the film plating efficiency. Practical new type content

[0006] The first object of the utility model is to provide an upper end straight-in type evaporation boat which can directly collect all the liquid plating material output by the drop nozzle of the drop device in a vacuum environment.

[0007] The second object of the utility model is to provide a vacuum film plating machine adopting the upper end straight-in type evaporation boat, which reduces the complexity and has higher film plating efficiency.

[0008] The first object of the utility model is realized by the following technical solutions:

[0009] An upper end straight-in type evaporation boat is characterized in that: a box body is provided. A drop cavity and an evaporation cavity located below the drop cavity are arranged in the box body. A straight-in gap for the drop nozzle to enter is arranged on one side of the upper end of the drop cavity. The straight-in gap is composed of an upper gap located above the drop cavity and a side gap located on the side of the drop cavity. The drop cavity and the evaporation cavity are communicated through a drop inlet. The liquid plating material dropped into the drop cavity will fall into the evaporation cavity through the drop inlet. An evaporation port communicated with the evaporation cavity is arranged on the box body.

[0010] The further technical solution of the utility model is that: a blocking piece is arranged in the middle of the box body. The internal space of the box body is divided into the drop cavity located above and the evaporation cavity located below through the blocking piece. The blocking piece is arranged obliquely. A space is arranged between the lower side of the blocking piece with a lower horizontal height and the inner surface of the box body. The space forms a drop inlet. The higher side of the blocking piece is connected with the box body.

[0011] The further technical scheme of the utility model discloses: evaporate the position of mouth to be in the side of box body near the lower end, and the horizontal height of evaporate mouth and the one side of higher of blocking piece is located at the same side.

[0012] The further technical scheme of the utility model discloses: box body is composed of upper cover and lower seat, the upper surface of lower seat is open, evaporate mouth is arranged at the side of lower seat and is close to the lower end of lower seat, and blocking piece is arranged at the lower edge of upper cover, and upper cover covers lower seat.

[0013] The further technical scheme of the utility model discloses: blocking piece and upper cover are integral.

[0014] The further technical scheme of the utility model discloses: the bottom of box body is equipped with the connecting lug for with electrode stem fixed connection respectively on both sides.

[0015] The second object of the utility model is realized through the following technical scheme:

[0016] A kind of vacuum coating machine, it is characterized by: including coating chamber, liquid adding chamber, telescopic mechanism, drop device, two parallel electrode rods and the evaporator boat of the described, one end of liquid adding chamber is directly communicated with coating chamber, the telescopic end of telescopic mechanism extends into liquid adding chamber, two parallel electrode rods are fixedly connected on the telescopic end of telescopic mechanism, evaporator boat is transversely fixed between two electrode rods, drop device is arranged on the upper side of liquid adding chamber, drop device drop nozzle extends linearly downward, the lower end of drop nozzle corresponds with the position of the straight inlet gap of evaporator boat, when evaporator boat is retracted to liquid adding chamber, the lower end of drop nozzle can directly enter the drop liquid cavity of evaporator boat from straight inlet gap.

[0017] Compared with prior art, the utility model has the following beneficial effects:

[0018] 1, the evaporator boat of the utility model sets up box body, and sets up drop liquid cavity and evaporation cavity in box body, when using, the drop nozzle of drop device will directly enter drop liquid cavity from straight inlet gap and carry out drop, even if being in vacuum state, the liquid plated material that drop nozzle exports is dispersed state and sprays also can be basically collected in drop liquid cavity, the liquid plated material collected in drop liquid cavity will flow from drop inlet to evaporation cavity, and carries out last evaporation in evaporation cavity.

[0019] 2, the vacuum coating machine of the utility model adopts the evaporator boat, and no longer needs to set valve, and the complexity is lower. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is one of the three-dimensional schematic diagram of the evaporator boat of the utility model embodiment.

[0021] Figure 2 This is the second perspective view of the evaporation boat according to an embodiment of the present utility model;

[0022] Figure 3 This is a cross-sectional schematic diagram of the evaporation boat according to an embodiment of the present invention;

[0023] Figure 4 This is a top view schematic diagram of the evaporation boat according to an embodiment of the present utility model;

[0024] Figure 5 This is one of the perspective views of the upper cover and lower seat of the evaporation boat in this embodiment of the present invention when they are separated;

[0025] Figure 6 This is the second perspective view of the evaporation boat in this embodiment of the present invention when the upper cover and lower seat are separated.

[0026] Figure 7 This is a schematic diagram of the structure of the vacuum coating machine according to an embodiment of the present invention;

[0027] Figure 8 This is a schematic diagram of adding liquid coating material to an existing vacuum coating machine under vacuum conditions.

[0028] Meaning of the labels in the attached diagram:

[0029] 1-Box body; 1.1-Top cover; 1.2-Lower seat; 2-Straight inlet notch; 2.1-Upper notch; 2.2-Side notch; 3-Connecting ear; 3.1-Connecting hole; 4-Evaporation port; 5-Drip chamber; 6-Evaporation chamber; 7-Fall inlet; 8-Blocking plate; 9-Opening groove; 10-Coating chamber; 11-Liquid filling chamber; 12-Electrode rod; 13-Insulating seat; 14-Telescopic mechanism; 14.1-Telescopic end of telescopic mechanism; 15-Drip device; 15.1-Drip nozzle; 16-Liquid plating material sprayed in a dispersed state; 17-Evaporation boat in the prior art. Detailed Implementation

[0030] The present invention will be further described below with reference to embodiments.

[0031] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0032] In the description of the utility model, if several meanings are one or more, the meaning of multiple is two or more, greater than, less than, more than, etc. Understand as not including the number, above, below, within, etc. Understand as including the number. If it is described to the first, the second is only used for distinguishing the purpose of technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the relationship between the indicated technical features.

[0033] In the description of the utility model, unless otherwise explicitly limited, the words such as setting, installation, connection should be understood in a broad sense, and the person skilled in the art can determine the specific meaning of the above words in the utility model in combination with the specific content of the technical scheme.

[0034] Embodiment:

[0035] As Figures 1 to 6 The upper end straight-in type evaporation boat of the embodiment comprises a box body 1, the box body 1 is composed of an upper cover 1.1 and a lower seat 1.2, the upper cover 1.1 covers the lower seat 1.2, and a relatively closed space is formed in the inside.

[0036] The upper surface of the lower seat 1.2 is an opening, the upper edge of one side of the lower seat 1.2 is provided with an opening groove 9 for avoiding the blocking piece 8, the lower edge of the same side is provided with an evaporation port 4, the upper edge of the other side of the lower seat 1.2 is provided with a side notch 2.2, and the bottom of the lower seat 1.2 is provided with connecting ears 3 for fixedly connecting with electrode rods on both sides, and the connecting ears 3 are provided with connecting holes 3.1.

[0037] The upper surface of the upper cover 1.1 is provided with an upper notch 2.1, one side surface of the upper cover 1.1 is also provided with a side notch 2.2, and the side notch 2.2 of the upper cover 1.1 is aligned with the side notch 2.2 of the lower seat 1.2. The upper notch 2.1 and the side notch 2.2 are connected and communicated, forming a straight-in notch 2 in the shape of a straight angle. A part of the lower edge of the other side surface of the upper cover 1.1 is inwardly bent to form an inclined blocking piece 8, and the position of the bent blocking piece 8 forms a notch corresponding to the position of the evaporation port 4. Figure 3 As shown in the figure, a space is formed between the lower edge of the blocking piece 8 and the inner surface of the upper cover 1.1, the space forms a falling inlet 7, and the higher edge of the blocking piece 8 is integrally connected with the upper cover 1.1. The bottom of the upper cover 1.1 is also provided with connecting ears 3, and the connecting ears 3 of the bottom of the upper cover 1.1 are aligned and overlapped together with the connecting ears 3 of the bottom of the lower seat 1.2.

[0038] As Figure 3As shown, when the upper cover 1.1 covers the lower seat 1.2, the blocking piece 8 will be located in the middle of the box body 1, and the interior space of the box body 1 is divided into the upper liquid drop cavity 5 and the lower evaporation cavity 6 by the blocking piece 8, the liquid drop cavity 5 and the evaporation cavity 7 are communicated through the falling inlet 7, the evaporation port 4 is located at the side of the evaporation cavity 6 and is communicated with the evaporation cavity 6, and the evaporation port 4 is located at the same side as the higher side of the blocking piece 8.

[0039] As shown in the drawings, Figure 7 The embodiment also discloses a vacuum coating machine, which comprises the coating chamber 10, the liquid adding chamber 11, the telescopic mechanism 14, the liquid drop device 15, the two parallel electrode rods 12 and the evaporation boat.

[0040] The liquid adding chamber 11 is in a long strip shape and is horizontally arranged. One end of the liquid adding chamber 11 is directly communicated with the coating chamber 10, that is, no valve is arranged between the liquid adding chamber 11 and the coating chamber 10. The telescopic mechanism 14 is arranged at the other end of the liquid adding chamber 11, the telescopic end 14.1 of the telescopic mechanism extends into the liquid adding chamber 11, the two parallel electrode rods 12 are fixedly connected to the telescopic end 14.1 of the telescopic mechanism through the insulating seat 13, the evaporation boat is horizontally arranged and fixed between the ends of the two electrode rods 12 away from the telescopic mechanism 14, the connecting ears 3 on the two sides of the bottom of the evaporation boat are fixedly connected to the ends of the electrode rods 12 through bolts, and the two sides of the bottom of the evaporation boat are respectively in conduction with the two electrode rods 12, and the two electrodes are respectively connected to the leading-in electrode through the lead wires.

[0041] The liquid drop device 15 is arranged vertically downward on the upper side of the liquid adding chamber 11, the liquid drop nozzle 15.1 of the liquid drop device 15 extends linearly downward, the lower end of the liquid drop nozzle 15.1 corresponds to the position of the straight-in notch 2 of the evaporation boat, and specifically, the lower end of the liquid drop nozzle 15.1 is located on the moving path of the straight-in notch 2, the straight-in notch 2 faces the side where the lower end of the liquid drop nozzle 15.1 is located, the horizontal height of the lower end of the liquid drop nozzle 15.1 is higher than the lower end of the straight-in notch 2 and is lower than the upper end of the straight-in notch 2.

[0042] The operation process of the vacuum coating machine is as follows:

[0043] The product to be coated is vertically fixed in the coating chamber 10, the side of the product is the surface to be coated, and the coating chamber 10 and the liquid adding chamber 11 are in a vacuum state during coating.

[0044] When liquid plating material needs to be added to the evaporation boat, the telescopic mechanism 14 is retracted, and the evaporation boat is withdrawn into the liquid adding chamber 11. During this process, the lower end of the liquid dropping nozzle 15.1 will directly enter the liquid dropping cavity 5 of the evaporation boat from the straight-in gap 2. Then, without breaking the vacuum, the liquid dropping device 15 directly outputs liquid plating material from the liquid dropping nozzle 15.1. Since the liquid plating material is output from the liquid dropping nozzle 15.1 in a dispersed state due to the vacuum state, the liquid plating material 16 sprayed in a dispersed state in the liquid dropping cavity 5 can be basically collected by the liquid dropping cavity 5. The liquid plating material collected by the liquid dropping cavity 5 will flow from the inclined blocking piece 8 to the falling inlet 7, and finally fall into the evaporation cavity 6 from the falling inlet.

[0045] After the addition of the liquid plating material is completed, the telescopic mechanism 14 is extended, and the evaporation boat is sent into the plating chamber 10. Then, the electrode rod 12 is electrified, the evaporation boat is heated, the liquid plating material in the evaporation cavity 6 is heated, the liquid plating material is evaporated, and the evaporated liquid plating material is output from the evaporation port 4.

[0046] The above embodiments of the utility model are not a limitation on the protection scope of the utility model. The implementation manner of the utility model is not limited to this. According to the above content of the utility model, according to the ordinary technical knowledge and conventional means in the field, other various forms of modifications, replacements or changes made to the above structure of the utility model without departing from the above basic technical thought of the utility model should fall within the protection scope of the utility model.

Claims

1. An upper end straight-in evaporation boat, characterized by: The box body is provided with a drop liquid cavity and an evaporation cavity below the drop liquid cavity, the upper end of the drop liquid cavity is provided with a straight-in notch for the drop liquid nozzle to enter, the straight-in notch is composed of an upper notch above the drop liquid cavity and a side notch on the side of the drop liquid cavity, the drop liquid cavity and the evaporation cavity are communicated through a falling inlet, the liquid plated material falling into the drop liquid cavity will fall into the evaporation cavity through the falling inlet, and the box body is provided with an evaporation port communicated with the evaporation cavity.

2. The upper end direct insertion type evaporation boat according to claim 1, characterized by: The middle part of the box body is provided with a blocking piece, the internal space of the box body is divided into the drop liquid cavity above and the evaporation cavity below through the blocking piece, the blocking piece is arranged obliquely, a space is formed between the lower edge of the blocking piece and the inner surface of the box body, the falling inlet is formed at the space, and the higher edge of the blocking piece is connected with the box body.

3. The upper end direct insertion type evaporation boat according to claim 2, characterized by: The evaporation port is arranged at the lower end of the side of the box body, and the evaporation port is located at the same side as the higher edge of the blocking piece.

4. The upper end direct insertion type evaporation boat according to claim 3, characterized by: The box body is composed of an upper cover and a lower seat, the upper surface of the lower seat is open, the evaporation port is arranged at the side of the lower seat and close to the lower end of the lower seat, the blocking piece is arranged at the lower edge of the upper cover, and the upper cover covers the lower seat.

5. The upper end direct insertion type evaporation boat according to claim 4, characterized in that: The blocking piece is integrated with the upper cover.

6. The upper end direct insertion type evaporation boat according to claim 1, wherein: The bottom of the box body is provided with connecting ears for fixedly connecting with electrode rods.

7. A vacuum coater, characterized by: The box body is composed of a plating chamber, a liquid adding chamber, a telescopic mechanism, a drop liquid device, two parallel electrode rods and the evaporation boat of any one of claims 1 to 6, one end of the liquid adding chamber is directly communicated with the plating chamber, the telescopic end of the telescopic mechanism extends into the liquid adding chamber, the telescopic end of the telescopic mechanism is fixedly connected with two parallel electrode rods, the evaporation boat is fixedly arranged between the two electrode rods, the drop liquid device is arranged at the upper edge of the liquid adding chamber, the drop liquid nozzle of the drop liquid device extends linearly downward, the lower end of the drop liquid nozzle corresponds to the position of the straight-in notch of the evaporation boat, and the lower end of the drop liquid nozzle can directly enter the drop liquid cavity of the evaporation boat from the straight-in notch when the evaporation boat is retracted into the liquid adding chamber.

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