Heat treatment device for tempered glass processing

Abstract

The utility model discloses a heat treatment device for tempered glass processing, and solves the problems that the position of a heating part of an existing glass heat treatment device is fixed, the heating range cannot be adjusted at will according to the width of glass, heat energy flowing out of the glass is not recycled in the process of cooling the glass, and the heat energy is wasted. And therefore, certain energy waste is caused. The preheating tuyere, the heating component and the cooling tuyere are respectively mounted on the rotatable mounting racks, the transverse coverage range of the components can be adjusted as required by rotating the mounting racks, and the negative pressure fan is further arranged to extract high-temperature air flow in the drying cavity and send the high-temperature air flow into the preheating cavity to preheat glass. And energy loss is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat treatment, more specifically, it relates to a heat treatment device for toughened glass processing. BACKGROUND

[0002] The heat treatment of toughened glass is a process for enhancing the mechanical strength, safety and optical performance of ordinary flat glass through heating and rapid cooling process. This treatment method significantly changes the internal stress distribution of the glass, so that it is not easy to break when subjected to impact or temperature change, and even if it breaks, it will form smaller and blunter particles, thereby reducing the risk of injury to the human body. The heat treatment of toughened glass is usually to heat the glass to the appropriate stable state, and then rapidly cool the glass. Since the width size of different models and batches of glass may be different, but the position of the heating component of most glass heat treatment devices is fixed, the heating range cannot be adjusted arbitrarily according to the width of the glass, and the heat energy flowing out of the glass is not recycled during the cooling process of the glass, thereby forming a certain energy waste.

[0003] Based on the above, the purpose of the utility model is to provide a heat treatment device for toughened glass processing to solve the above problems. INVENTION CONTENTS

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a heat treatment device for toughened glass processing. The utility model installs the preheating air nozzle, the heating assembly and the cooling air nozzle on a plurality of rotatable mounting racks respectively, adjusts the transverse coverage of these components by rotating the mounting rack, and sets a negative pressure fan to extract the high-temperature airflow in the drying cavity and send it into the preheating cavity to preheat the glass, thereby reducing energy loss.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a heat treatment device for toughened glass processing, comprising a box body, the box body is provided with a feeding port and a discharging port, a plurality of heating components, a plurality of guide rollers and a power mechanism for driving the guide rollers to rotate are arranged in the box body, the box body is divided into a preheating cavity, a heating cavity and a cooling cavity, a plurality of mounting racks one, mounting racks two and mounting racks three are rotatably arranged on the upper and lower sides of the preheating cavity, the heating cavity and the cooling cavity, a plurality of air nozzles one are arranged on the mounting rack one, a plurality of heating components are arranged on a plurality of mounting racks two, a plurality of air nozzles two are arranged on the mounting rack three, a cold air fan for supplying air to the air nozzles two is arranged on the box body, a driving mechanism for driving the mounting rack one, the mounting rack two and the mounting rack three to rotate synchronously is arranged on the box body, negative pressure fans are arranged on both sides of the cooling cavity, and the air outlets of the negative pressure fans are communicated with a plurality of air nozzles one.

[0006] By adopting the technical scheme, when heat treatment is needed for the toughened glass, according to the width size of the toughened glass, the mounting frame one, the mounting frame two and the mounting frame three are driven to rotate by the driving mechanism, the transverse range covered by the tuyere one, the heating component and the tuyere two is adjusted, the glass is placed into the box, the glass is driven to pass through the preheating cavity, the heating cavity and the cooling cavity in sequence by the guide roller and the power mechanism, the heating cavity heats the glass by the heating component, the cooling cavity blows cold air to the glass by the air cooler and the tuyere two to cool, in the process, the airflow absorbing the heat of the glass is sucked out of the cooling cavity by the negative pressure fan to prevent the heat energy in the cooling cavity from accumulating to reduce the cooling efficiency, the hot airflow sucked out is transported to the preheating cavity and is transported to the glass by the tuyere one to preheat the glass, in this way, the heat treatment device can adjust the transverse coverage range of the heating component and the cooling component according to the width requirement of the glass, and the heat energy emitted from the glass can be reused to reduce energy waste.

[0007] The utility model further sets up: driving mechanism includes two electric push rods with box fixed connection, the electric push rod's protruding end fixedly connected with rack, mounting frame one, mounting frame two and mounting frame three all are fixedly connected with the driven gear that engages with rack.

[0008] The utility model further sets up: the box is rotationally connected with a plurality of limit rollers, the rack is in abutment with limit roller.

[0009] In conclusion, the utility model has the advantages of the following:

[0010] The utility model discloses a preheating tuyere, a heating assembly and a cooling tuyere are installed on a plurality of rotatable mounting frames respectively, the transverse coverage range of these components can be adjusted by rotating the mounting frames, and a negative pressure fan is arranged to suck out the high-temperature airflow in the drying cavity and send it into the preheating cavity to preheat the glass, thereby reducing energy loss. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The structure diagram of the utility model patent Figure 1 , which shows the overall structure of the utility model;

[0012] Figure 2 The structure diagram of the utility model patent Figure 1 , which shows the structural relationship between the mounting frame and the driving mechanism;

[0013] Figure 3 The structure diagram of the utility model patent Figure 1 , which shows the structure of the mounting frame.

[0014] In the figure: 1, box; 2, heating component; 3, guide roller; 4, preheating cavity; 5, heating cavity; 6, cooling cavity; 7, mounting frame one; 8, mounting frame two; 9, mounting frame three; 10, tuyere one; 11, tuyere two; 12, cold air blower; 13, negative pressure fan; 14, electric push rod; 15, rack; 16, driven gear; 17, limit roller; 18, feed inlet; 19, discharge outlet. DETAILED DESCRIPTION

[0015] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be described in further detail below in conjunction with the drawings and specific embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0016] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0017] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0018] The present application will be described in detail below in conjunction with the drawings.

[0019] A kind of heat treatment device for toughened glass processing, such as Figures 1-3As shown, including the box 1, box 1 opening has a feed inlet 18 and discharge outlet 19, box 1 is provided with a plurality of heating components 2, rotatingly connected with a plurality of guide rollers 3 and is provided with a power mechanism (power mechanism can be motor directly drive guide roller rotation, or motor with belt pulley, transmission belt and other transmission components drive, this is mature prior art, here will not expand) for driving guide roller 3 rotation, box 1 is divided into preheating cavity 4, heating cavity 5 and cooling cavity 6, preheating cavity 4, heating cavity 5 and cooling cavity 6 upper and lower sides are respectively provided with a plurality of mounting bracket one 7, mounting bracket two 8 and mounting bracket three 9, mounting bracket one 7 is provided with a plurality of tuyere one 10, a plurality of heating components 2 are respectively mounted on a plurality of mounting bracket two 8, mounting bracket three 9 is provided with a plurality of tuyere two 11, box 1 is provided with a cold air machine 12 for tuyere two 11 gas supply, box 1 is provided with a driving mechanism for driving mounting bracket one 7, mounting bracket two 8 and mounting bracket three 9 synchronous rotation, both sides of cooling cavity 6 are provided with a negative pressure fan 13, the air outlet of negative pressure fan 13 is communicated with a plurality of tuyere one 10.

[0020] Further, the driving mechanism includes two electric push rods 14 fixedly connected with the box 1, the extending end of the electric push rod 14 is fixedly connected with the rack 15, the mounting bracket one 7, the mounting bracket two 8 and the mounting bracket three 9 are all fixedly connected with the driven gear 16 engaged with the rack 15.

[0021] Further, the box 1 is rotatably connected with a plurality of limiting rollers 17, the back surface of the rack 15 abuts against the limiting roller 17, and a plurality of universal ball bearings can be rotatably connected to the lower end surface of the rack to reduce friction.

[0022] Working principle: when the tempered glass needs to be heat treated, the tempered glass is sent into the preheating cavity 4 through the feed inlet 18, according to the width size of the tempered glass, then the rack 15 is moved by the electric push rod 14, the rack 15 drives the mounting bracket one 7, the mounting bracket two 8 and the mounting bracket three 9 to rotate synchronously through the driven gear 16 in the moving process, and then the horizontal coverage range covered by the tuyere one 10, the heating component 2 and the tuyere two 11 needs to be adjusted, then the glass is driven to pass through the preheating cavity 4, the heating cavity 5 and the cooling cavity 6 in turn through the guide roller 3 and the power mechanism, the heating cavity 5 heats the glass through the heating component 2, and the cooling cavity 6 blows cold air to the glass through the cold air machine 12 and the tuyere two 11 to cool it down, in this process, the airflow absorbing the heat of the glass is extracted from the cooling cavity 6 by the negative pressure fan 13, preventing the heat energy in the cooling cavity 6 from accumulating and reducing the cooling efficiency, the hot airflow extracted is transported to the preheating cavity 4 and then transported to the glass through the tuyere one 10, thereby preheating the glass, so that the heat treatment device can adjust the horizontal coverage range of the heating component 2 and the cooling component according to the width of the glass, and the heat energy emitted from the glass can be reused, reducing energy waste.

[0023] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. A heat treatment apparatus for tempered glass processing, comprising a housing (1), wherein the housing (1) is provided with an inlet (18) and an outlet (19), and wherein the housing (1) is provided with a plurality of heating components (2), a plurality of guide rollers (3), and a power mechanism for driving the guide rollers (3) to rotate, characterized in that: The housing (1) is divided into a preheating chamber (4), a heating chamber (5) and a cooling chamber (6). Several mounting brackets 1 (7), 2 (8) and 3 (9) are rotatably arranged on the upper and lower sides of the preheating chamber (4), the heating chamber (5) and the cooling chamber (6). Several air nozzles 1 (10) are arranged on the mounting brackets 1 (7). Several heating components (2) are respectively installed on several mounting brackets 2 (8). Several air nozzles 2 (11) are arranged on the mounting brackets 3 (9). A cold air fan (12) is arranged on the housing (1) to supply air to the air nozzles 2 (11). A drive mechanism is arranged on the housing (1) to drive the mounting brackets 1 (7), 2 (8) and 3 (9) to rotate synchronously. Negative pressure fans (13) are arranged on both sides of the cooling chamber (6). The air outlet of the negative pressure fan (13) is connected to several air nozzles 1 (10).

2. The heat treatment apparatus for tempered glass processing according to claim 1, characterized in that: The drive mechanism includes two electric push rods (14) fixedly connected to the housing (1). The extended end of the electric push rod (14) is fixedly connected to a rack (15). The first mounting bracket (7), the second mounting bracket (8), and the third mounting bracket (9) are all fixedly connected to driven gears (16) that mesh with the rack (15).

3. The heat treatment apparatus for tempered glass processing according to claim 2, characterized in that: A plurality of limiting rollers (17) are rotatably connected to the housing (1), and the rack (15) abuts against the limiting rollers (17).

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