Vertical air flotation nano easy-to-clean glass coating equipment and process

Abstract

The invention discloses vertical air flotation nano easy-to-clean glass coating equipment and process, and relates to the field of nano easy-to-clean process preparation, the vertical air flotation nano easy-to-clean glass coating equipment comprises an upper segment and a lower segment which are vertically arranged, and two groups of spraying segments and curing segments are symmetrically arranged at the joint of the upper segment and the lower segment; the spraying section is provided with movable sprayers, one set of sprayers are used for spraying easy-to-clean liquid to the front face of the glass, and the other set of sprayers are used for spraying easy-to-clean liquid to the back face of the glass. A vertical structure is adopted, the occupied space of the whole equipment is reduced, the glass easy-to-clean treatment face and the back plate are spaced through the air curtain and are not in contact, contact traces are avoided, and the coating quality is guaranteed; and meanwhile, the two-side spraying section is arranged, so that double-side coating of the glass can be realized, and the overall coating efficiency of the glass is improved.

Description

Technical Field

[0001] The present invention relates to the field of preparing nano - easy - to - clean processes, and particularly to a vertical air - floating nano - easy - to - clean glass coating device and process. Background Art

[0002] The principle of nano - easy - to - clean glass is mainly based on the special coating and structure on its surface. The surface of this kind of glass is covered with a highly hydrophobic coating, which makes water droplets unable to completely wet the glass surface. Existing nano - easy - to - clean glass processing usually uses horizontal coating equipment, but the horizontal equipment occupies a large area; and since the easy - to - clean glass needs to be coated on both sides, the horizontal equipment needs to spray one side of the glass first and then the other side.

[0003] For example: Chinese Patent (Publication No. CN 108640491 A, Publication Date: October 12, 2018) discloses a method for making easy - to - clean tempered glass, and its steps include: pre - treating the glass sheet; cleaning the pre - treated glass; putting the treated glass into a tempering furnace for baking and then tempering and cooling; cooling the baked glass, and spraying nano - easy - to - clean coating onto the glass surface; and, when spraying, an automatic spraying system composed of a spray gun, a spray gun slide rail, etc. is used. The equipment adopted in this scheme is of horizontal structure, and the glass needs to be sprayed on one side and then on the other side, with relatively low efficiency; and the contact area between the glass and the rollers is large, and contact marks appear in a specific environment with water vapor and humidity, affecting the use effect.

[0004] Chinese Patent (Publication No. CN 221183284 U, Publication Date: June 21, 2024) discloses an easy - to - clean liquid spraying unit on a hollow glass production line, including a cabinet arranged on the hollow glass production line; the cabinet has an inclined support plate, and a number of guide wheels are distributed on the support plate, and a row of conveying rollers are arranged at the bottom of the support plate; a pair of mounting seats are fixed on the cabinet, and a spray pipe is detachably connected between the two mounting seats; a number of branch pipes are distributed on the spray pipe, and spray heads are installed on each branch pipe. Although this scheme is of vertical structure, its spray heads are of fixed structure. Multi - nozzle spraying will cause waste of easy - to - clean liquid, increase the unit cost, and the structure is relatively complex; when spraying the other side of the glass, it needs to be turned over, and there is also the problem of low coating efficiency. Summary of the Invention

[0005] Aiming at the deficiencies of the existing technology, the purpose of the present invention is to provide a vertical air - floating nano - easy - to - clean glass coating device and process. By adopting a vertical structure, the occupied space of the whole device is reduced, and the glass end face contacts with the rollers, while there is an air curtain interval and no contact between the easy - to - clean treatment surface of the glass and the back plate, avoiding the generation of contact marks and ensuring the coating quality; at the same time, a two - side spraying section is set up to enable double - side coating of the glass and improve the overall coating efficiency of the glass.

[0006] To achieve the above object, the present invention is implemented by the following technical solutions:

[0007] In a first aspect, an embodiment of the present invention provides a vertical air-floating nano-easy-to-clean glass coating device, including an upper segment and a lower segment arranged vertically. Two sets of spraying segments and curing segments are symmetrically arranged at the connection of the upper segment and the lower segment;

[0008] The spraying segment is provided with a movable nozzle. One set of nozzles is used to spray the easy-to-clean liquid on the front surface of the glass, and the other set of nozzles is used to spray the easy-to-clean liquid on the back surface of the glass.

[0009] As a further implementation manner, the nozzle is connected to a lifting mechanism, and the lifting mechanism is used to drive the nozzle to reciprocate up and down.

[0010] As a further implementation manner, the nozzle faces the upper segment and the lower segment, and the nozzle can form a fan-shaped spraying area.

[0011] As a further implementation manner, the upper segment and the lower segment are provided with air-floating panels. A plurality of transmission rollers are installed on the air-floating panels facing the glass conveying side, and the transmission rollers are used to contact the bottom of the glass and convey the glass.

[0012] As a further implementation manner, the included angle between the air-floating panel and the vertical plane is 4 to 7°.

[0013] As a further implementation manner, the spraying segment is provided with a detection unit, and the detection unit is used to identify the moving position of the glass so as to start the nozzle when the glass moves to the spraying segment.

[0014] As a further implementation manner, the curing segment is provided with a heating device for heating and curing the sprayed glass.

[0015] In a second aspect, an embodiment of the present invention provides a vertical air-floating nano-easy-to-clean glass coating process, using the described device, including:

[0016] Place the glass vertically on the upper segment, where the bottom end face of the glass contacts the transmission roller;

[0017] When the glass is conveyed to the set position, the nozzle starts and reciprocates up and down to spray the easy-to-clean liquid on the front and / or back surfaces of the glass;

[0018] After spraying, it is heated and cured in the curing segment, and then conveyed to the lower segment.

[0019] As a further implementation manner, the nozzles on both sides of the upper segment and the lower segment can be started simultaneously or separately.

[0020] As a further implementation, the speed at which the transfer roller transfers the glass is 1 - 8 m / min; the spraying speed of the spray head is 0.5 - 3 m / s.

[0021] The beneficial effects of the above embodiments of the present invention are as follows:

[0022] (1) The present invention is provided with two spraying sections, and the spray heads of the spraying sections are movable, which can achieve double-sided spraying of the glass with as few spray heads as possible, improving the painting efficiency; the upper section, the lower section, the spraying section, and the curing section are all arranged vertically, and the overall equipment occupies less space; during the glass transfer process, only the end face contacts the transfer roller, while the surface to be painted is a non-contact structure, solving the indentation problem caused by the roller contact, ensuring the painting effect, and improving the yield of the easy-to-clean glass.

[0023] (2) There is a certain angle between the air-floating panel of the present invention and the vertical plane. This angle will neither cause the glass to fall off during the transfer process nor cause the glass to contact the air-floating panel, ensuring the normal transfer of the glass; the transfer roller has a set transfer speed, combined with the spraying speed of the spray head, which can ensure a good painting effect on the glass surface. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] The specification drawings forming a part of the present invention are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0025] Figure 1 It is a schematic structural diagram of one or more embodiments of the present invention.

[0026] Among them, 1. upper section, 2. lower section, 3. spraying section, 4. curing section, 5. transfer roller, 6. spray head, 7. panel support, 8. support frame, 9. lifting mechanism. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0027] It should be noted that the following detailed descriptions are all illustrative and are intended to provide further explanations of the present invention. Unless otherwise specified, all technical and scientific terms used in the present invention have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present invention belongs.

[0028] For the convenience of description, if the words "upper", "lower", "front", and "rear" appear in the present invention, they only represent the same directions as the upper, lower, front, and rear directions of the drawings themselves, and do not limit the structure. They are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention.

[0029] Example 1:

[0030] Since the contact surface between the rollers of the horizontal coating equipment and the glass is relatively large, it is easy to cause indentation during the coating process, which affects the yield of the nano-coated product. Moreover, the horizontal coating equipment can only process one side of the glass at a time, resulting in low coating efficiency. Based on this, this embodiment provides a vertical air-floating nano-easy-to-clean glass coating equipment, which adopts a vertical structure to reduce the occupied space of the entire equipment. Only the end face of the glass contacts the transmission roller 5, and there is an air curtain interval and no contact between the easy-to-clean treatment surface of the glass and the back plate, avoiding the generation of contact marks and ensuring the coating quality. At the same time, two spraying sections 3 are set up to enable double-sided coating of the glass and improve the overall coating efficiency of the glass.

[0031] Specifically, as Figure 1 shown, the upper section 1 and the lower section 2 are arranged in sequence according to the conveying direction of the glass. In this embodiment, both the upper section 1 and the lower section 2 adopt air-floating panels, and the transmission of the glass is realized by the cooperation of the air-floating panels and the transmission roller 5. The air-floating panels are installed on the panel support 7 and arranged vertically, and there is a certain angle between the air-floating panels and the vertical plane. This angle is 4-7°. If the angle is less than 4°, the glass may fall off during the transmission process. If the angle is greater than 7°, the glass may rub against the air-floating panel, affecting the normal transmission of the glass. In this embodiment, the angle between the air-floating panel and the vertical plane is set to 5°.

[0032] As Figure 1 shown, the transmission roller 5 is installed on the front side of the air-floating panel. A plurality of transmission rollers 5 are evenly arranged along the conveying direction of the glass. The transmission roller 5 is connected to the air-floating panel through the mounting shaft, and the axis direction of the transmission roller 5 is perpendicular to the air-floating panel. The vertically arranged glass is placed on the upper side of the transmission roller 5, and the transmission roller 5 provides a guiding function for the glass during the moving process. The length of the transmission roller 5 is set according to the thickness of the glass, and it only needs to support the end face of the glass. For thicker glass, the length of the transmission roller 5 can be increased. Each transmission roller 5 is installed on the same horizontal line, and the installation height of the transmission roller 5 can be set to about 500 mm. Of course, the above values can be adjusted according to actual requirements.

[0033] Two groups of spraying sections 3 are symmetrically arranged at the connection between the upper section 1 and the upper section 1. One group of spraying sections 3 is located on the front side of the air-floating panel for coating the front surface of the glass; the other group of spraying sections 3 is located on the back side of the air-floating panel for coating the back surface of the glass. The spraying section 3 includes a support frame 8, a nozzle, and a lifting mechanism 9. The support frame 8 is fixedly connected to the air-floating panel through a connecting component 6, and the support frame 8 is parallel to the plate surface of the air-floating panel. There is a transmission space for the glass between the support frame 8 and the air-floating panel.

[0034] The lifting mechanism 9 is installed inside the support frame 8 (the side close to the air-floating panel), and the nozzle is connected to the lifting mechanism 9. Under the action of the lifting mechanism 9, the nozzle moves up and down reciprocally to spray the easy-to-clean liquid on the glass surface.

[0035] Among them, the lifting mechanism 9 can adopt a pulley mechanism, a sprocket mechanism, etc., as long as it can achieve vertical linear motion.

[0036] Due to the setting of the lifting mechanism 9, the spray head of this embodiment has a movable performance. The outlet direction of the spray head faces the air-floating panel, and the center line of the spray head is perpendicular to the plate surface of the air-floating panel. The spray head can form a fan-shaped spraying area, so that the spray head can effectively coat the glass during the movement. During the transmission of the glass in this embodiment, spray heads are arranged on both sides. The spray heads on both sides can be started simultaneously, or one side of the spray head can be started separately, which can be specifically determined according to actual painting requirements.

[0037] A detection unit is installed on the input side of the support frame 8. The detection unit is used to identify the moving position of the glass. When the glass moves to the spraying section 3, the spray head can be automatically controlled to start. The detection unit adopts existing sensors, such as proximity switches, infrared sensors, etc.

[0038] The curing section 4 is arranged on the output side of the spraying section 3 and is also symmetrically arranged. The curing section 4 is provided with a heating device for heating and curing the sprayed glass. The curing section 4 of this embodiment adopts an existing structure, and its specific structure will not be elaborated here.

[0039] In this embodiment, two groups of spraying sections 3 are provided, and the spray heads of the spraying section 3 are movable, which can realize double-sided spraying of the glass with as few spray heads as possible, improving the painting efficiency; the upper section 1, the lower section 2, the spraying section 3 and the curing section 4 are all arranged vertically, and the overall equipment occupies less space; during the transmission of the glass, only the end face contacts the transmission roller 5, and the surface to be painted is a non-contact structure, solving the problem of indentation caused by the contact of the roller, ensuring the painting effect and improving the yield of the easy-to-clean glass.

[0040] Embodiment 2:

[0041] This embodiment provides a vertical air-floating nano-easy-to-clean glass painting process, using the equipment described in Embodiment 1, including the following steps:

[0042] Step (1) Place the glass vertically on the upper section 1, and the bottom end face of the glass contacts the transmission roller 5.

[0043] Step (2) Under the action of air-floating and the guiding action of the transmission roller 5, the glass is transmitted to the spraying section 3. When the detection unit detects the glass, the spray head starts, and the spray head reciprocates up and down during the spraying process to spray the easy-to-clean liquid on the front and / or back of the glass; alternatively, the glass can be sprayed on one side alone.

[0044] Step (3) After spraying is completed, the glass is transmitted to the curing section 4 for heating and curing.

[0045] After step (4) is cured, it continues to be transferred to the next segment 2 to wait for the next piece.

[0046] In this embodiment, the speed of the transfer roller 5 for transferring the glass is 1-8 m / min; the spraying speed of the spray head is 0.5-3 m / s; with the above process parameters, a good coating effect on the glass surface can be ensured.

[0047] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A vertical air flotation nano-easy-to-clean glass coating device, characterized in that, It includes an upper segment and a lower segment arranged vertically, and two sets of spraying segments and curing segments are symmetrically arranged at the connection of the upper segment and the lower segment; The spraying segment is provided with a movable nozzle. One set of nozzles is used to spray the easy-to-clean liquid on the front side of the glass, and the other set of nozzles is used to spray the easy-to-clean liquid on the back side of the glass.

2. The vertical air flotation nano-easy-to-clean glass coating equipment according to claim 1, characterized in that, The nozzle is connected to a lifting mechanism, and the lifting mechanism is used to drive the nozzle to reciprocate up and down.

3. A vertical air flotation nano-easy-to-clean glass coating device according to claim 1 or 2, characterized in that, The nozzle faces the upper segment and the lower segment, and the nozzle can form a fan-shaped spraying area.

4. A vertical air flotation nano-easy-to-clean glass coating device according to claim 1, characterized in that, The upper segment and the lower segment are provided with an air-floating panel, and a plurality of transmission rollers are installed on the air-floating panel facing the glass conveying side. The transmission rollers are used to contact the bottom of the glass and convey the glass.

5. The vertical air flotation nano-easy-to-clean glass coating equipment according to claim 4, characterized in that, The included angle between the air-floating panel and the vertical plane is 4 to 7°.

6. The vertical air flotation nano-easy-to-clean glass coating equipment according to claim 1, characterized in that, The spraying segment is provided with a detection unit, and the detection unit is used to identify the moving position of the glass so as to start the nozzle when the glass moves to the spraying segment.

7. A vertical air flotation nano-easy-to-clean glass coating device according to claim 1, characterized in that, The curing segment is provided with a heating device for heating and curing the sprayed glass.

8. A vertical air-floating nano-easy-to-clean glass coating process, characterized in that, Using the equipment according to any one of claims 1-7, including: Vertically place the glass on the upper segment, where the bottom end face of the glass contacts the transmission roller; When the glass is conveyed to the set position, the nozzle starts and reciprocates up and down to spray the easy-to-clean liquid on the front and / or back of the glass; After spraying, it is heated and cured in the curing segment and then conveyed to the lower segment.

9. A vertical air-floating nano-easy-to-clean glass coating process according to claim 8, characterized in that, The nozzles on both sides of the upper segment and the lower segment can be started simultaneously or separately.

10. A vertical air flotation nano-easy-to-clean glass coating process according to claim 8, characterized in that, The conveying speed of the transmission roller for conveying the glass is 1 to 8 m / min; the spraying speed of the nozzle is 0.5 to 3 m / s.

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