Heating mechanism of coated glass high-temperature annealing furnace

By employing a multi-sensor monitoring and control unit to regulate the heating wire in a high-temperature annealing furnace for coated glass, combined with an adjustable placement plate and protective net, the problems of uneven heating and inconvenient glass fixing were solved, achieving uniform heating and safe fixing of the coated glass.

CN224015502UActive Publication Date: 2026-03-20TIANJIN SYP ENG GLASS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-31
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing high-temperature annealing furnace heating mechanisms suffer from uneven heating and difficulty in precisely controlling temperature changes, while also being inconvenient for fixing glass of different sizes.

Method used

A heating mechanism for a high-temperature annealing furnace for coated glass was designed. Multiple temperature sensors are used to monitor the temperature in real time. The energization state of the heating wire is precisely controlled by a control unit. Combined with an adjustable placement plate structure and a protective net, uniform temperature control and glass positioning are achieved.

Benefits of technology

It achieves uniform heating of coated glass, ensuring the temperature remains within a suitable range, adapting to the fixed requirements of different glass sizes, and improving heat utilization and safety.

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Abstract

The utility model provides a heating mechanism of a coated glass high-temperature annealing furnace, belongs to the technical field of coated glass production equipment, and aims to solve the problems that an existing heating mechanism of a high-temperature annealing furnace is often uneven in heating, temperature change is difficult to accurately control, inconvenience exists when a worker fixes glass of different sizes, and the production efficiency is high. Comprising an annealing box, two sets of foot pads are installed on the lower end face of the annealing box, two transverse sliding grooves are formed in the bottom end surface of the annealing box and the surface of a top plate respectively, and a door plate is rotationally connected to the front end face of the annealing box. According to the annealing box, the temperature sensor installed on the front end face of the control unit is located in the annealing box, the temperature sensor can sense the temperature condition in the annealing box in real time and feed back a temperature signal to the control unit, and the control unit regulates and controls the power-on state of the heating wire according to the preset annealing temperature parameter; and the temperature is kept in a proper annealing temperature interval, so that the temperature environment in the annealing process is accurately controlled.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of coated glass production equipment, and more particularly relates to a heating mechanism of a high-temperature annealing furnace for coated glass. BACKGROUND

[0002] The thermochromic coated glass can automatically change color according to the change of ambient temperature, adjust the transmittance, thereby realizing effective control of indoor and outdoor heat exchange and good lighting regulation. The thermochromic heat insulation coated glass focuses on heat insulation, blocks heat transfer through special coating and response mechanism, and plays a role in energy saving and consumption reduction.

[0003] In the production process of the coated glass, the high-temperature annealing furnace is one of the key equipment, and the performance of the heating mechanism thereof plays a crucial role in whether the coated glass can form the characteristics of thermochromism and thermochromic heat insulation. However, the existing high-temperature annealing furnace heating mechanism often has problems such as uneven heating, difficulty in accurately controlling temperature change to adapt to the reaction requirements of the thermochromic and heat insulation related coating materials, low heat utilization rate, and inconvenience for workers to fix different sizes of glass. SUMMARY

[0004] In order to solve the above technical problems, the application provides a heating mechanism of a high-temperature annealing furnace for coated glass, to solve the problems of uneven heating, difficulty in accurately controlling temperature change of the existing high-temperature annealing furnace heating mechanism, and inconvenience for workers to fix different sizes of glass.

[0005] The purpose and effect of the heating mechanism of the high-temperature annealing furnace for coated glass are achieved by the following specific technical means: a heating mechanism of a high-temperature annealing furnace for coated glass, comprising an annealing box;

[0006] The lower end face of the annealing box is provided with two groups of feet, and the bottom surface and the top plate surface of the annealing box are respectively provided with two horizontal sliding grooves, and the front end face of the annealing box is rotatably connected with a door plate;

[0007] The connecting seat is fixedly installed on the left and right outer end faces of the annealing box, and the front end face of the connecting seat is fixedly installed with a heating wire, and the heating wire is located in the interior of the annealing box;

[0008] The placing plate is a rectangular plate structure, and two groups of placing plates are arranged above and below the placing plate, and the outer end faces of the placing plates are uniformly provided with clamping seats;

[0009] The fastening block has a main body trapezoidal structure, and the fastening block is slidingly clamped in the horizontal sliding groove.

[0010] Further, the upper end surface of the connecting seat is provided with a control unit, and a temperature sensor is arranged on the front end surface of the control unit and located in the annealing box.

[0011] Further, the outer end surface of the fastening block is fixedly provided with a fastening screw, and a limiting cylinder is sleeved with the fastening screw at the lower position.

[0012] Further, the surface of the placing plate is provided with two groups of through holes, the fastening screw at the outer end of the fastening block is clamped in the through hole on the surface of the placing plate, and a nut is connected to the surface of the fastening screw.

[0013] Further, the surface of the clamping seat is provided with a clamping groove, and ventilation holes are uniformly arranged on the surfaces of both ends of the clamping seat.

[0014] Further, two protective nets are symmetrically arranged in the annealing box, and the heating wire is located between the protective net and the side plate of the annealing box.

[0015] 1. The upper end surface of the connecting seat is provided with a control unit, and a temperature sensor is arranged on the front end surface of the control unit and located in the annealing box. The temperature sensor can sense the temperature in the annealing box in real time and feed back the temperature signal to the control unit. The control unit can regulate the power-on state of the heating wire according to the preset annealing temperature parameter, so that the temperature is maintained in the appropriate annealing temperature interval, thereby accurately controlling the temperature environment in the annealing process.

[0016] 2. Eight temperature sensors are arranged in the annealing box to detect the temperature. The temperature in each corner of the annealing box can be monitored, and the purpose of local heating can be achieved, so that the uneven temperature in the annealing box can be avoided.

[0017] 3. The placing plate is provided with two groups of upper and lower placing plates, and clamping seats are uniformly arranged on the outer end surfaces of the placing plates. The clamping groove arranged on the surface of the clamping seat can be used to place the glass workpiece to be annealed, and the clamping groove can position the workpiece to prevent it from moving randomly during the annealing process. Ventilation holes are uniformly arranged on the surfaces of both ends of the clamping seat. On the one hand, the hot air in the annealing box can flow around the workpiece, so that the workpiece is heated more uniformly. On the other hand, in some cases where a specific gas atmosphere is required to participate in the annealing, the corresponding gas can also circulate around the workpiece, ensuring the annealing effect.

[0018] 4. The fastening screw at the lower position is sleeved with a limiting cylinder, and the limiting cylinder is located below the placing plate. The position of the lower placing plate can be lifted, different specifications of limiting cylinders can be replaced, and the distance between the upper and lower placing plates can be adjusted to facilitate the fixation and positioning of glass workpieces of different heights. Two protective nets are symmetrically arranged in the annealing box, and the heating wire is located between the protective net and the side plate of the annealing box. The protective net plays a role of isolation and protection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is the schematic diagram of the overall device structure of the application.

[0020] Figure 2 is the schematic diagram of the internal device structure of the annealing box of the application.

[0021] Figure 3 is the schematic diagram of the connection seat and heating wire structure of the application.

[0022] Figure 4 is the schematic diagram of the exploded structure of the annealing box, placement plate and fastening block of the application.

[0023] Figure 5 is the schematic diagram of the connection structure of the placement plate and the clamping seat of the application.

[0024] Figure 6 is the schematic diagram of the cross-sectional structure of the annealing box of the application.

[0025] In the figure, the correspondence between the component names and the reference numerals is as follows:

[0026] 1, annealing box; 101, door plate; 102, foot pad; 103, transverse sliding groove; 104, protective net; 2, connection seat; 201, heating wire; 3, control unit; 301, temperature sensor; 4, placement plate; 401, through hole; 402, clamping seat; 4021, air vent; 5, fastening block; 501, fastening screw; 6, limiting cylinder. DETAILED DESCRIPTION

[0027] The embodiments of the application will be further described in detail below with reference to the accompanying drawings and examples.

[0028] Example 1

[0029] As shown in the accompanying drawings: Figure 1 to the accompanying drawings: Figure 6

[0030] The application provides a heating mechanism of a high-temperature annealing furnace for coated glass, which comprises an annealing box 1.

[0031] Two groups of foot pads 102 are installed at the lower end surface of the annealing box 1, two transverse sliding grooves 103 are respectively formed in the bottom end surface and the top plate surface of the annealing box 1, and a door plate 101 is rotationally connected to the front end surface of the annealing box 1.

[0032] A connection seat 2 is fixedly installed on the left and right outer end surfaces of the annealing box 1, a heating wire 201 is fixedly installed on the front end surface of the connection seat 2, and the heating wire 201 is located inside the annealing box 1.

[0033] A placement plate 4 is in a rectangular plate structure, two groups of placement plates 4 are arranged above and below, and clamping seats 402 are uniformly installed on the outer end surfaces of the placement plates 4. ​

[0034] The fastening block 5 is in sliding clamping in the transverse sliding groove 103.

[0035] The upper end surface of the connecting seat 2 is provided with a control unit 3, and the front end surface of the control unit 3 is provided with a temperature sensor 301. The temperature sensor 301 is located in the annealing box 1, and there are eight temperature sensors 301 in the annealing box 1 to detect the temperature, which can avoid the uneven temperature in the annealing box 1.

[0036] The outer end surface of the fastening block 5 is fixedly provided with a fastening screw 501, and the fastening screw 501 at the lower position is sleeved with a limiting cylinder 6. In use, the fastening screw 501 at the lower position is sleeved with the limiting cylinder 6, and the limiting cylinder 6 is located below the placing plate 4. The position of the lower placing plate 4 can be lifted, and different specifications of the limiting cylinder 6 can be replaced to adjust the distance between the two placing plates 4, which is convenient for fixing and limiting the glass workpieces of different heights.

[0037] The surface of the placing plate 4 is provided with two groups of through holes 401, and the fastening screw 501 at the outer end of the fastening block 5 is clamped in the through hole 401 on the surface of the placing plate 4. The surface of the fastening screw 501 is connected with a nut, and after the nut is tightened, the fixing of the placing plate 4 can be realized.

[0038] The surface of the clamping seat 402 is provided with a clamping groove, and the surfaces of the two ends of the clamping seat 402 are uniformly provided with ventilation holes 4021. The clamping groove on the surface of the clamping seat 402 can be used to place the glass workpiece to be annealed, and the clamping groove can play a certain positioning role on the workpiece to prevent it from moving randomly during the annealing process. The ventilation holes 4021 uniformly arranged on the surfaces of the two ends of the clamping seat 402 can help the hot air in the annealing box 1 to flow around the workpiece.

[0039] The inside of the annealing box 1 is symmetrically provided with two protective nets 104, and the heating wire 201 is located between the protective net 104 and the side plate of the annealing box 1. In use, the inside of the annealing box 1 is symmetrically provided with two protective nets 104, and the heating wire 201 is located between the protective net 104 and the side plate of the annealing box 1. The protective net 104 plays a role in isolation and protection.

[0040] The specific use mode and effect of the embodiment are as follows:

[0041] In the application, the door plate 101 rotatably connected to the front end face of the annealing box 1 is convenient to open and close, so that the operator can put or take out the workpiece to be annealed in the annealing box 1. The connecting seat 2 is fixedly installed on the left and right outer end faces of the annealing box 1, and the heating wire 201 fixedly installed on the connecting seat 2 is located in the annealing box 1. The heating wire 201 can generate heat after being electrified, thereby improving the temperature environment in the annealing box 1. Meanwhile, two transverse sliding grooves 103 are formed in the bottom end surface and the top plate surface of the annealing box 1 respectively, the fastening block 5 is clamped in the transverse sliding groove 103, the fastening screw 501 on the upper end face of the fastening block 5 is clamped in the through hole 401 on the surface of the placing plate 4, and the worker can fix the placing plate 4 after tightening the nut on the surface of the fastening screw 501. It is convenient to clamp the two ends of the glass in the clamping groove on the surface of the clamping seat 402. The control unit 3 is installed on the upper end face of the connecting seat 2, the temperature sensor 301 installed on the front end face of the control unit 3 is located in the annealing box 1, the temperature sensor 301 can sense the temperature in the annealing box 1 in real time and feed back the temperature signal to the control unit 3. The control unit 3 adjusts the electrification state of the heating wire 201 according to the preset annealing temperature parameter. When the temperature detected by the temperature sensor 301 is lower than the preset annealing temperature value, the control unit 3 will continuously electrify or increase the power of the heating wire 201 to promote the temperature rise. When the temperature reaches or exceeds the preset value, the control unit 3 will adjust the power of the heating wire 201 or even cut off the power supply to keep the temperature in the appropriate annealing temperature range, so as to accurately control the temperature environment in the annealing process, so that the coated glass can be uniformly heated as a whole, and the local overheating or insufficient heating can be avoided. This is very important to ensure the consistency of the subsequent performance of the coated glass, especially for the coated glass with special functional requirements such as thermochromic and heat insulation. Uniform heating helps the coated material of the coated glass to uniformly change physically and chemically, and the outer end faces of the left and right side plates of the annealing box 1 are respectively provided with four connecting seats 2. The upper end faces of the connecting seats 2 are respectively provided with control units 3, so that there are eight temperature sensors 301 in the annealing box 1 to detect the temperature, so as to avoid the uneven temperature in the annealing box 1. The placing plate 4 is provided with two groups of upper and lower placing plates, and the outer end faces of the placing plates are uniformly provided with clamping seats 402. The clamping grooves formed in the surfaces of the clamping seats 402 can be used to place the glass workpiece to be annealed. The clamping grooves can position the workpiece to prevent it from moving randomly during the annealing process. The ventilation holes 4021 uniformly formed in the surfaces of the clamping seats 402 can help the hot air in the annealing box 1 to flow around the workpiece, so that the workpiece is heated more uniformly.In another aspect in some need specific gas atmosphere involved in annealing, also facilitate the corresponding gas around the workpiece circulation, ensure the annealing effect, at the same time, the lower position of the fastening screw 501 is sleeved with a limiting cylinder 6, the limiting cylinder 6 is located at the lower position of the placing plate 4, the position of the lower end placing plate 4 can be lifted, different specifications of the limiting cylinder 6 can be replaced, the distance between the upper and lower two placing plates 4 can be adjusted, the fixing and limiting of the glass workpiece of different height can be facilitated, two protective nets 104 are symmetrically installed in the inside of the annealing box 1, the heating wire 201 is located between the protective net 104 and the side plate of the annealing box 1, the protective net 104 plays a role of isolation and protection, it can prevent the operator from accidentally touching the heating wire 201 when opening the door plate 101 to check or operate, so as to avoid the electric shock danger, at the same time, the workpiece can also avoid accidental collision with the heating wire 201 in the placing and taking-out process, the heating wire 201 is protected, the service life is prolonged, the whole annealing box 1 heating system can be stably and reliably operated, the normal development of the annealing work is ensured.

Claims

1. A heating mechanism for a high-temperature annealing furnace for coated glass, characterized in that: The equipment includes an annealing chamber (1), on which two sets of feet (102) are installed on the lower end face, and two transverse sliding grooves (103) are respectively opened on the bottom surface and the top surface of the annealing chamber (1). A door panel (101) is rotatably connected to the front end face of the annealing chamber (1); a connecting seat (2), which is fixedly installed on the left and right outer end faces of the annealing chamber (1). A heating wire (201) is fixedly installed on the front end face of the connecting seat (2), and the heating wire (201) is located inside the annealing chamber (1); a placement plate (4), which is a rectangular plate structure. Two sets of mounting plates are provided on the upper and lower parts of the placement plate (4). A card seat (402) is evenly installed on the outer end face of the placement plate (4); and a fastening block (5), which is a trapezoidal structure and is slidably fitted inside the transverse sliding groove (103).

2. The heating mechanism of the high-temperature annealing furnace for coated glass as described in claim 1, characterized in that: The upper end face of the connector (2) is equipped with a control unit (3), and the front end face of the control unit (3) is equipped with a temperature sensor (301). The temperature sensor (301) is located inside the annealing chamber (1).

3. The heating mechanism of the high-temperature annealing furnace for coated glass as described in claim 1, characterized in that: The fastening block (5) is fixedly installed with a fastening screw (501) on its outer end face, and the fastening screw (501) at the lower position is sleeved with a limit sleeve (6).

4. The heating mechanism of the high-temperature annealing furnace for coated glass as described in claim 1, characterized in that: The surface of the placement plate (4) has two sets of through holes (401). The fastening screw (501) at the outer end of the fastening block (5) is engaged in the through hole (401) on the surface of the placement plate (4). A nut is connected to the surface of the fastening screw (501).

5. The heating mechanism of the high-temperature annealing furnace for coated glass as described in claim 1, characterized in that: The card holder (402) has a card slot on its surface, and ventilation holes (4021) are evenly provided on both ends of the card holder (402).

6. The heating mechanism of the high-temperature annealing furnace for coated glass as described in claim 1, characterized in that: The annealing chamber (1) has two protective nets (104) symmetrically installed inside, and the heating wire (201) is located between the protective nets (104) and the side plate of the annealing chamber (1).