Temperature-adjustable air pipe device

Abstract

The temperature-adjustable air pipe device comprises a heating air pipe, a cooling air pipe is installed at the bottom of the heating air pipe, a second air pipe is fixedly arranged at an air inlet of the cooling air pipe, meanwhile, a first air pipe is fixedly arranged at an air inlet of the heating air pipe, and an upper air outlet pipe is fixedly installed at the end, away from the first air pipe, of the heating air pipe; the end, away from the second air pipe, of the cooling air pipe is fixedly provided with a lower air outlet pipe, and the end of the lower air outlet pipe and the end of the upper air outlet pipe are fixedly connected with communicating pipes through flanges. The invention discloses a temperature-adjustable air pipe device. When hot air is required by the process, the speed regulating valves on the cooling air pipes corresponding to the branch air pipes are closed, the speed regulating valves on the corresponding heating air pipes are used, and the air volume and the temperature required by the process are adjusted through flow meter detection and heating wire power adjustment; when the temperature requirements of the branch air pipes are not consistent, the proportion of hot air to cold air can be adjusted through the two sets of speed adjusting valves, and therefore the temperature required by the technology is adjusted.

Description

Technical Field

[0001] The invention relates to the field of glass substrate processing, in particular to a temperature-adjustable air duct device. Background Art

[0002] Liquid crystal glass substrate is an important component of liquid crystal flat panel displays. It is the basic component of liquid crystal display devices. As a carrier platform, it is used for the attachment and production of various display-related structures and materials. In applications such as LCD, OLED, microLED, and IC, the role of the glass substrate is to provide a connection carrier for various circuits and transistors. In the process of processing liquid crystal substrate glass, in the overflow molding process, it is necessary to adjust the glass liquid temperature regionally to control the viscosity and flow of the glass to meet the requirements of the overflow molding process. Due to production needs, product switching is sometimes required.

[0003] When the product is switched, the glass substrate may need auxiliary air ducts to cool down during the slow cooling process. When the glass plate is uneven in thickness, the process also needs to be adjusted with auxiliary air ducts. If the glass substrate is not assisted in cooling down in time, the molding quality of the glass substrate will be reduced. Summary of the invention

[0004] The object of the present invention is to provide a temperature-adjustable air duct device to solve the defects mentioned in the above background technology.

[0005] To achieve the above-mentioned purpose, a temperature-adjustable air duct device is provided, including a heating air duct, a cooling air duct is installed at the bottom of the heating air duct, and a second air duct is fixedly arranged at the air inlet of the cooling air duct, and a first air duct is fixedly arranged at the air inlet of the heating air duct, and an upper air outlet duct is fixedly installed at one end of the heating air duct away from the first air duct, and a lower air outlet duct is fixedly installed at one end of the cooling air duct away from the second air duct, and ends of the lower air outlet duct and the upper air outlet duct are fixedly connected to a connecting pipe by flanges, and speed regulating valves are installed on both groups of connecting pipes, and ends of both groups of connecting pipes are connected to an exhaust pipe, a flow meter is fixedly installed on the exhaust pipe, and the ends of the exhaust pipe are fixedly connected to a junction pipe, and a branch air duct is fixedly installed on the junction pipe.

[0006] Preferably, the heating air duct and the cooling air duct are arranged in parallel, and the internal volumes of the heating air duct and the cooling air duct are consistent. At the same time, the heating air duct and the cooling air duct are connected to the branch air duct through the upper air outlet duct, the lower air outlet duct, the connecting pipe, the exhaust pipe, and the converging pipe respectively.

[0007] Preferably, two sets of fixing frames are evenly installed on the heating air duct and the cooling air duct, and a fixing base is welded to the bottom of the fixing frame. At the same time, the fixing frame is arranged in an "8" shape, and the cross-section of the base is an isosceles trapezoidal arrangement.

[0008] Preferably, a positioning track is fixedly installed on the inner wall of the heating air duct, and four groups of positioning track are evenly arranged along the circumferential position of the inner wall of the heating air duct. At the same time, a positioning groove is opened on the surface of the positioning track, and the size of the positioning groove is adapted to the size of the positioning block.

[0009] Preferably, the positioning blocks are fixedly mounted on the outside of the fixing ring, and four groups of positioning blocks are evenly arranged on the outer surface of the fixing ring. The fixing ring is circular, and two groups of fixing rings are fixedly connected to the heating wire.

[0010] Preferably, the heating wires are evenly arranged in five groups, and the five groups of heating wires are fixedly connected by two groups of fixing rings, and the five groups of heating wires are powered by the power supply inside the power supply box.

[0011] Preferably, four groups of connecting columns are evenly installed between the two groups of fixing rings, and the two groups of fixing rings are fixed by four groups of connecting columns arranged in a diamond shape. At the same time, the ends of the four groups of connecting columns are fixedly connected to the surface of the power supply box, and the power supply box is screwed inside the sealing cap.

[0012] Preferably, the five groups of heating wires and the two groups of fixing rings are combined together to form a heating assembly, and the heating assembly is inserted into the interior of the heating air duct and positioned and installed through a positioning rail and a positioning block. At the same time, the cross-sections of the positioning rail and the positioning block are both dovetail-shaped, and the positioning block is inserted into a positioning groove opened on the surface of the positioning rail.

[0013] Preferably, the diameter of the power supply box is equal to the diameter of the fixing ring, and the power supply box is inserted into the inside of the heating air duct. At the same time, the sealing cap on the outside of the power supply box is screwed and fixed to the outside of the end of the heating air duct, and a limit plate is fixed on the outside of the end of the heating air duct. The depth of the sealing cap inserted into the outside of the end of the heating air duct is limited by the limit plate arranged in a ring.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The present invention can evenly heat the airflow flowing inside the heating duct by setting five groups of heating wires, thereby avoiding the situation where the airflow is heated unevenly. At the same time, when the heating wire inside the heating duct needs to be inspected and cleaned, the sealing cap screwed on the end of the heating duct is disassembled and pulled outward, so that the five groups of heating wires are pulled out from the inside of the heating duct. Rapid positioning and installation between the heating duct and the heating assembly can be achieved.

[0016] 2. In the present invention, when multiple branch air ducts are required to transport cooling air into the furnace, the speed regulating valves of the heating air ducts corresponding to the branch air ducts are closed, and the speed regulating valves on the corresponding cooling air ducts are used to adjust the air volume to the process requirements through flow meter detection; when the process requires hot air, the speed regulating valves on the cooling air ducts corresponding to the branch air ducts are closed, and the speed regulating valves on the corresponding heating air ducts are used to adjust the air volume and temperature to the process requirements through flow meter detection and heating wire power adjustment; when the branch air ducts have inconsistent temperature requirements, the ratio of hot air to cold air can be adjusted through two sets of speed regulating valves to adjust the temperature to the process requirements; the molding quality of the glass substrate is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the invention and, together with the description, further serve to explain the principles of the invention and to enable those skilled in the relevant art to make and use the invention.

[0018] Figure 1 It is a front view schematic diagram of the structure of the present invention;

[0019] Figure 2 for Figure 1 Bottom view of

[0020] Figure 3 for Figure 1 A top view of

[0021] Figure 4 This is a schematic diagram of the structural heating assembly of the present invention;

[0022] Figure 5 for Figure 4 Side view of

[0023] Figure 6 Schematic diagram of the heating wire and its installation structure.

[0024] [reference numerals]

[0025] 1. First air pipe; 2. Second air pipe; 3. Heating air duct; 4. Cooling air duct; 5. Fixing frame; 6. Heating assembly; 61. Limiting piece; 62. Positioning track; 63. Heating wire; 64. Fixing ring; 65. Positioning block; 66. Connecting column; 67. Sealing cap; 671. Power supply box; 7. Base; 8. Upper air outlet duct; 9. Lower air outlet duct; 10. Connecting pipe; 11. Speed ​​regulating valve; 12. Exhaust duct; 13. Flow meter; 14. Converging pipe; 15. Branch air duct. DETAILED DESCRIPTION

[0026] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments, and those skilled in the art may also adopt other alternatives to implement some known technologies; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the present invention.

[0027] It should be noted that the references to "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments" and the like in the specification indicate that the embodiments described may include specific features, structures or characteristics, but not every embodiment may include the specific features, structures or characteristics. In addition, when a specific feature, structure or characteristic is described in conjunction with an embodiment, it should be within the knowledge of a person skilled in the art to implement such feature, structure or characteristic in conjunction with other embodiments (whether or not explicitly described).

[0028] In general, a term can be understood, at least in part, from its use in context. For example, depending, at least in part, on the context, the term "one or more" as used herein can be used to describe any feature, structure, or characteristic in the singular sense, or can be used to describe a combination of features, structures, or characteristics in the plural sense. Additionally, the term "based on" can be understood as not necessarily intended to convey an exclusive set of factors, but can instead, depending, at least in part, on the context, allow for the presence of other factors that are not necessarily explicitly described.

[0029] It will be understood that the meanings of “on,” “over,” and “above” in the present invention should be interpreted in the broadest manner, so that “on” not only means “directly on” something, but also includes the meaning of being “on” something with intervening features or layers therebetween, and “on” or “over” not only means “on” or “above” something, but also includes the meaning of being “on” or “above” something with no intervening features or layers therebetween.

[0030] Additionally, spatially relative terms such as "under," "beneath," "lower," "above," "upper," and the like may be used herein for descriptive convenience to describe the relationship of one element or feature to another element or features, as shown in the accompanying drawings. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the accompanying drawings. The device may be oriented in other ways, and the spatially relative descriptors used herein may be similarly interpreted accordingly.

[0031] Specific implementation method 1: Please refer to Figure 1-6The present invention provides a technical solution: a temperature-adjustable air duct device, comprising a heating air duct 3, a cooling air duct 4 is installed at the bottom of the heating air duct 3, and a second air duct 2 is fixedly arranged at the air inlet of the cooling air duct 4, and a first air duct 1 is fixedly arranged at the air inlet of the heating air duct 3, and an upper air outlet duct 8 is fixedly installed at one end of the heating air duct 3 away from the first air duct 1, and a lower air outlet duct 9 is fixedly installed at one end of the cooling air duct 4 away from the second air duct 2, and the ends of the lower air outlet duct 9 and the upper air outlet duct 8 are both fixedly connected to a connecting pipe 10 through a flange, and speed regulating valves 11 are installed on both groups of connecting pipes 10, and the ends of both groups of connecting pipes 10 are connected with an exhaust pipe 12, a flow meter 13 is fixedly installed on the exhaust pipe 12, and the end of the exhaust pipe 12 is fixedly connected to a confluence pipe 14, and a branch air duct 15 is fixedly installed on the confluence pipe 14.

[0032] Working principle: By using this device, wind speed and temperature can be controlled; this device is mainly composed of a heating air duct 3, a cooling air duct 4, a plurality of branch air ducts 15, a speed regulating valve 11, a flow meter 13 and a heating component 6. The switching between the heating air duct 3 and the cooling air duct 4 can be controlled by the speed regulating valve 11 to supply air volume to the plurality of branch air ducts 15 installed on the furnace; the process personnel can adjust the heating temperature of the heating wire 63 inside the heating air duct 3 by adjusting the temperature controller, and adjust the speed regulating valve 11 to control the ratio of cold air to hot air, thereby fine-tuning the branch air duct 1 5 outlet air temperature; through this device, the adjustment method is simple, and can meet the process in the production process to adjust the air volume and temperature requirements of different areas; a plurality of branch air ducts 15 are installed in the furnace body, the main air duct consists of two, including a heating air duct 3 and a cooling air duct 4, both connected to the cooling air, the cooling air duct 4 does not have a heating function, the heating air duct 3 is installed inside the heating wire 63, by adjusting the thermostat to adjust the air temperature in the main air duct; through this device, the purpose of adjusting the hot air temperature in the air duct can be achieved by adjusting the heating power of the heating wire 63 inside the heating air duct 3, through the speed regulating valve 11 The ratio of hot air and cold air is adjusted to fine-tune the air volume and temperature of each branch air duct 15; this air duct device has a simple structure and a convenient operation method, and through this air duct device, the process requirements for regional adjustment of the glass liquid temperature can be realized to meet the overflow molding process requirements; the working principle of the heating component 6 inside the heating air duct 3 is: the air flow enters the interior of the heating air duct 3 from the first air duct 1, and the interior of the heating air duct 3 is evenly filled with five groups of heating wires 63. The setting of the five groups of heating wires 63 can evenly heat the air flow flowing inside the heating air duct 3, which can avoid uneven heating of the air flow. The situation occurs; at the same time, when the heating wire 63 inside the heating air duct 3 needs to be inspected and cleaned, the sealing cap 67 screwed on the end of the heating air duct 3 is removed, and the sealing cap 67 is pulled outward, so that the five groups of heating wires 63 are pulled out from the inside of the heating air duct 3; the five groups of heating wires 63 are evenly installed with two groups of fixing rings 64, and the positioning blocks 65 on the two groups of fixing rings 64 are pull-out structures inside the positioning track 62, so as to avoid the heating wires 63 from contacting the inner wall of the heating air duct 3; the rapid positioning and installation work between the heating air duct 3 and the heating component 6 can be realized.

[0033] Specific implementation method two: This implementation method is a further limitation of specific implementation method one. The heating air duct 3 and the cooling air duct 4 are arranged in parallel, and the internal volumes of the heating air duct 3 and the cooling air duct 4 are consistent. At the same time, the heating air duct 3 and the cooling air duct 4 are connected to the branch air duct 15 through the upper air outlet duct 8, the lower air outlet duct 9, the connecting pipe 10, the exhaust duct 12, and the confluence pipe 14, respectively.

[0034] Two sets of fixing frames 5 are evenly installed on the heating air duct 3 and the cooling air duct 4, and the bottom of the fixing frames 5 is welded with a fixing base 7. At the same time, the fixing frames 5 are arranged in an "8" shape, and the cross-section of the base 7 is arranged in an isosceles trapezoid.

[0035] The inner wall of the heating duct 3 is fixedly mounted with positioning rails 62 , and four groups of positioning rails 62 are evenly arranged along the circumferential position of the inner wall of the heating duct 3 . At the same time, positioning grooves are provided on the surface of the positioning rails 62 , and the sizes of the positioning grooves and the positioning blocks 65 are adapted.

[0036] Specific implementation method three: This implementation method is a further limitation of specific implementation method two. The positioning blocks 65 are fixedly installed on the outside of the fixing ring 64, and four groups of positioning blocks 65 are evenly arranged on the outer surface of the fixing ring 64. At the same time, the fixing ring 64 is circular, and two groups of fixing rings 64 are fixedly connected to the heating wire 63.

[0037] The heating wires 63 are evenly arranged into five groups, and the five groups of heating wires 63 are fixedly connected by two groups of fixing rings 64 . Meanwhile, the five groups of heating wires 63 are powered by the power supply inside the power supply box 671 .

[0038] Four groups of connecting columns 66 are evenly installed between the two groups of fixing rings 64, and the two groups of fixing rings 64 are fixed by four groups of connecting columns 66 arranged in a diamond shape. At the same time, the ends of the four groups of connecting columns 66 are fixedly connected to the surface of the power supply box 671, and the power supply box 671 is screwed to the inside of the sealing cap 67.

[0039] Specific embodiment four: This embodiment is a further limitation of specific embodiment two. Five groups of heating wires 63 and two groups of fixing rings 64 are combined together to form a heating component 6, and the heating component 6 is inserted into the interior of the heating air duct 3 and positioned and installed through a positioning rail 62 and a positioning block 65. At the same time, the cross-sections of the positioning rail 62 and the positioning block 65 are both dovetail-shaped, and the positioning block 65 is inserted into a positioning groove opened on the surface of the positioning rail 62.

[0040] The diameter of the power supply box 671 is equal to the diameter of the fixing ring 64, and the power supply box 671 is inserted into the interior of the heating air duct 3. At the same time, the sealing cap 67 on the outside of the power supply box 671 is screwed and fixed to the outside of the end of the heating air duct 3, and a limiting plate 61 is fixedly arranged on the outside of the end of the heating air duct 3. The depth of the sealing cap 67 inserted into the outside of the end of the heating air duct 3 is limited by the limiting plate 61 arranged in a ring.

[0041] like Figure 1-6As shown: when multiple branch air ducts 15 are required to transport cooling air into the furnace, the speed regulating valve 11 of the heating air duct 3 corresponding to the branch air duct 15 is closed, and the speed regulating valve 11 on the corresponding cooling air duct 4 is used to detect through the flow meter 13 to adjust the air volume to the process requirement; when the process requires hot air, the speed regulating valve 11 on the cooling air duct 4 corresponding to the branch air duct is closed, and the speed regulating valve 11 on the corresponding heating air duct 3 is used to detect through the flow meter 13 and adjust the power of the heating wire 63 to adjust the air volume and temperature to the process requirement; when the branch air duct 15 has inconsistent temperature requirements, the ratio of hot air to cold air can be adjusted through two sets of speed regulating valves 11 to adjust the temperature required by the process, thereby improving the molding quality of the glass substrate.

[0042] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the following preferred embodiments of the present invention, but those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A temperature-adjustable air duct device, comprising a heating air duct (3), characterized in that: A cooling air duct (4) is installed at the bottom of the heating air duct (3), and a second air duct (2) is fixedly arranged at the air inlet of the cooling air duct (4). At the same time, a first air duct (1) is fixedly arranged at the air inlet of the heating air duct (3), and an upper air outlet duct (8) is fixedly installed at one end of the heating air duct (3) away from the first air duct (1), and a lower air outlet duct (9) is fixedly installed at one end of the cooling air duct (4) away from the second air duct (2), and the ends of the lower air outlet duct (9) and the upper air outlet duct (8) are both fixedly connected to a connecting pipe (10) through a flange, and speed regulating valves (11) are installed on both groups of connecting pipes (10), and the ends of both groups of connecting pipes (10) are connected to an exhaust pipe (12), a flow meter (13) is fixedly installed on the exhaust pipe (12), and the end of the exhaust pipe (12) is fixedly connected to a confluence pipe (14), and a branch air duct (15) is fixedly installed on the confluence pipe (14).

2. The temperature-adjustable air duct device according to claim 1, characterized in that: The heating air duct (3) and the cooling air duct (4) are arranged in parallel, and the internal volumes of the heating air duct (3) and the cooling air duct (4) are consistent. At the same time, the heating air duct (3) and the cooling air duct (4) are connected to the branch air duct (15) through an upper air outlet duct (8), a lower air outlet duct (9), a connecting pipe (10), an exhaust pipe (12), and a converging pipe (14), respectively.

3. The temperature-adjustable air duct device according to claim 1, characterized in that: Two sets of fixing frames (5) are evenly installed on the heating air duct (3) and the cooling air duct (4), and a fixing base (7) is welded to the bottom of the fixing frame (5). At the same time, the fixing frame (5) is arranged in an "8" shape, and the cross-section of the base (7) is arranged in an isosceles trapezoidal shape.

4. The temperature-adjustable air duct device according to claim 1, characterized in that: The inner wall of the heating air duct (3) is fixedly mounted with a positioning rail (62), and four groups of positioning rails (62) are evenly arranged along the circumferential position of the inner wall of the heating air duct (3). At the same time, a positioning groove is provided on the surface of the positioning rail (62), and the size of the positioning groove is adapted to that of the positioning block (65).

5. The temperature-adjustable air duct device according to claim 4, characterized in that: The positioning blocks (65) are fixedly mounted on the outside of the fixing ring (64), and four groups of positioning blocks (65) are evenly arranged on the outer surface of the fixing ring (64). The fixing ring (64) is circular in shape, and two groups of fixing rings (64) are fixedly connected to the heating wire (63).

6. The temperature-adjustable air duct device according to claim 5, characterized in that: The heating wires (63) are evenly arranged in five groups, and the five groups of heating wires (63) are fixedly connected by two groups of fixing rings (64). At the same time, the five groups of heating wires (63) are powered by the power supply inside the power supply box (671).

7. The temperature-adjustable air duct device according to claim 6, characterized in that: Four groups of connecting columns (66) are evenly installed between the two groups of fixing rings (64), and the two groups of fixing rings (64) are fixed by four groups of connecting columns (66) arranged in a rhombus shape, and at the same time, the ends of the four groups of connecting columns (66) are fixedly connected to the surface of the power supply box (671), and the power supply box (671) is screwed to the inside of the sealing cap (67).

8. The temperature-adjustable air duct device according to claim 6, characterized in that: The five groups of heating wires (63) and the two groups of fixing rings (64) are combined together to form a heating assembly (6), and the heating assembly (6) is plugged into the interior of the heating air duct (3) and positioned and installed through a positioning rail (62) and a positioning block (65), and the cross-sections of the positioning rail (62) and the positioning block (65) are both dovetail-shaped, and the positioning block (65) is plugged into a positioning groove opened on the surface of the positioning rail (62).

9. The temperature-adjustable air duct device according to claim 7, characterized in that: The diameter of the power supply box (671) is equal to the diameter of the fixing ring (64), and the power supply box (671) is inserted into the interior of the heating air duct (3). At the same time, the sealing cap (67) on the outside of the power supply box (671) is screwed and fixed to the outside of the end of the heating air duct (3), and a limiting plate (61) is fixedly arranged on the outside of the end of the heating air duct (3). The depth of the sealing cap (67) inserted into the outside of the end of the heating air duct (3) is limited by the limiting plate (61) arranged in an annular manner.

Images