Glass preheating device

Abstract

The utility model provides a glass preheating device. The glass preheating device comprises a furnace body; the heating mechanism is arranged in the furnace body and used for heating the internal space of the furnace body; the thermal circulation fan is arranged in the furnace body and is used for forming air flow in the furnace body so as to keep a temperature field in the furnace body uniform; and the wind shield is arranged on the furnace body and covers the glass to be heated in the wind shield, so that the wind shield is used for preventing the air flow from being directly blown onto the glass. Glass is preheated by heating the interior of the furnace body through the heating mechanism, air flow is formed in the furnace body through the heating fan, the uniformity of a temperature field in the furnace body is guaranteed, and the problem that the air flow is directly blown to the glass is solved through the wind shield, so that the service life of the glass is prolonged. And the problem that the glass is damaged and broken due to local thermal stress is avoided.

Description

Technical Field

[0001] The present disclosure relates to the technical field of glass product processing, and in particular to a glass preheating device. Background Art

[0002] During the glass product processing, according to the process requirements, the glass needs to be preheated by a glass preheating device to prevent the glass from breaking due to excessively fast temperature rise during the glass product processing. During the glass preheating process, in order to ensure the uniformity of the temperature field in the glass preheating device and avoid the problem of glass breaking due to uneven temperature field, it is usually necessary to form an air flow in the preheating device to ensure the uniformity of the temperature field in the glass preheating device.

[0003] The prior art proposes a duct convector and a glass preheating furnace (CN 210736575 U). The preheating furnace includes a furnace body, a conveying roller, a heating unit, a duct convector and a fan. The duct convector is installed on the upper side and / or the lower side of the glass conveying channel. The fan is connected to the duct convector. The convector includes a wind pressure balance box, an air distribution duct and an air guide duct. Two balance boxes are provided and arranged at intervals. More than two air distribution ducts are provided. The two ends of each air distribution duct are respectively connected to the inner cavity of the two balance boxes. Each air distribution duct is arranged at intervals, and the spacing direction of each air distribution duct is perpendicular to the arrangement direction of the two balance boxes. A plurality of air distribution holes are provided on the air distribution duct along its length direction. The air guide duct is used to connect the matching fan with the inner cavity of the two balance boxes to supply air to the balance boxes. A diversion structure is provided in the balance box to divert the airflow entering the balance box. The air distribution duct is parallel to the conveying roller. The glass preheating furnace heats the glass more evenly.

[0004] Although the above-mentioned prior art achieves uniformity of the temperature field in the glass preheating device, there is a problem that the air flow formed in the glass preheating device is directly blown onto the glass, thereby causing thermal stress to be generated locally in the glass and causing it to break and be damaged. Based on this, how to prevent the air flow in the glass preheating device from directly blowing onto the glass and damaging the glass is a problem that technicians in this field need to consider. Utility Model Content

[0005] A technical problem to be solved by the present disclosure is the above-mentioned problem of how to prevent the air flow in the glass preheating device from directly blowing onto the glass and damaging the glass.

[0006] To solve the above technical problems, the embodiments of the present disclosure provide a glass preheating device, comprising: a furnace body; a heating mechanism, which is arranged in the furnace body to heat the internal space of the furnace body; a heat circulation fan, which is arranged in the furnace body to form an air flow in the furnace body so as to keep the temperature field in the furnace body uniform; and a wind shield, which is arranged in the furnace body and a glass cover to be heated is arranged therein to prevent the air flow from blowing directly onto the glass.

[0007] In some embodiments, a plurality of micro holes are formed on the outer wall of the wind shield.

[0008] In some embodiments, the heat circulation fan is rotatably disposed in the furnace body.

[0009] In some embodiments, the heat circulation fans include multiple heat circulation fans, and the multiple heat circulation fans are distributed on the inner wall of the furnace body.

[0010] In some embodiments, the heating mechanism includes a plurality of heating rods, and the plurality of heating rods are disposed on the top wall of the furnace body.

[0011] In some embodiments, a fixing mechanism is further included, and the fixing mechanism for fixing the glass is disposed in the windshield.

[0012] In some embodiments, the fixing mechanism includes a plurality of slots for fixing a plurality of sheets of glass.

[0013] In some embodiments, a retractable spring is disposed in the slot to fix the glass in the slot.

[0014] In some embodiments, a thermocouple is further included, and the thermocouple is disposed in the furnace body to monitor the temperature in the furnace body.

[0015] In some embodiments, a cooling fan is further included, and the cooling fan is disposed in the furnace body to adjust the temperature in the furnace body.

[0016] According to the above technical scheme, the present disclosure provides a glass preheating device, which achieves preheating of glass by heating the furnace body through a heating mechanism, and forms an air flow in the furnace body through a heating fan, thereby ensuring the uniformity of the temperature field in the furnace body, and then prevents the problem of the air flow directly blowing onto the glass through a wind shield, thereby avoiding the problem of local thermal stress on the glass causing damage and breakage; the uniformity of the temperature field in the furnace body is further ensured by the rotation of the heat circulation fan and multiple heat circulation fans; the heating speed and heating temperature of the furnace body can be controlled by multiple heating rods; multiple pieces of glass can be fixed on the fixing mechanism at the same time for preheating through multiple card slots, thereby improving the working efficiency of the glass preheating device; glasses of different thicknesses can be fixed on the fixing mechanism through a retaining spring, thereby improving the application range of the glass preheating device; the temperature of the furnace body can be monitored in real time through a thermocouple, thereby avoiding the problem of excessive temperature in the furnace body damaging the glass. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 is a schematic diagram of a glass preheating device according to an embodiment of the present disclosure;

[0019] Figure 2 is a cross-sectional view of a glass preheating device according to an embodiment of the present disclosure;

[0020] Figure 3 is a schematic diagram of a fixing mechanism according to an embodiment of the present disclosure;

[0021] Figure 4 Schematic diagram of a retaining spring according to an embodiment of the present disclosure.

[0022] Description of reference numerals:

[0023] 1. Furnace body; 2. Heating mechanism; 3. Heat circulation fan; 4. Wind shield; 5. Heating rod; 6. Fixing mechanism; 7. Slot; 8. Circlip; 9. Thermocouple; 10. Cooling fan. DETAILED DESCRIPTION

[0024] The following is a further detailed description of the embodiments of the present disclosure in conjunction with the accompanying drawings and examples. The detailed description of the following embodiments and the accompanying drawings are used to exemplarily illustrate the principles of the present disclosure, but cannot be used to limit the scope of the present disclosure. The present disclosure can be implemented in many different forms and is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

[0025] The present disclosure provides these embodiments to make the present disclosure thorough and complete, and to fully express the scope of the present disclosure to those skilled in the art. It should be noted that unless otherwise specifically stated, the relative arrangement of the parts and steps, the composition of the materials, the numerical expressions and the numerical values ​​set forth in these embodiments should be interpreted as being merely exemplary, and not as limiting.

[0026] It should be noted that, in the description of the present disclosure, unless otherwise specified, the meaning of "multiple" is greater than or equal to two; the terms "upper", "lower", "left", "right", "inner", "outer", etc., indicating the orientation or positional relationship, are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply 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 of the present disclosure. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0027] In addition, the words "first", "second" and similar words used in the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different parts. "Vertical" does not mean vertical in the strict sense, but is within the tolerance range. "Parallel" does not mean parallel in the strict sense, but is within the tolerance range. "Include" or "comprising" and similar words mean that the elements before the word include the elements listed after the word, and do not exclude the possibility of including other elements.

[0028] It should also be noted that in the description of the present disclosure, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present disclosure can be understood according to the specific circumstances. When a specific device is described as being located between a first device and a second device, there may or may not be an intermediate device between the specific device and the first device or the second device.

[0029] All terms used in the present disclosure have the same meanings as those understood by those of ordinary skill in the art to which the present disclosure belongs, unless otherwise specifically defined. It should also be understood that terms defined in general dictionaries, for example, should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined as such herein.

[0030] The technologies, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but where appropriate, the technologies, methods and equipment should be considered as part of the specification. As mentioned in the above background technology, during the processing of glass products, according to the process requirements, it is necessary to preheat the glass through a glass preheating device to prevent the problem of glass breakage caused by excessive heating speed of the glass during the processing of glass products. In the process of preheating the glass, in order to ensure the uniformity of the temperature field in the glass preheating device and avoid the problem of glass breakage caused by uneven temperature field, it is usually necessary to form an air flow in the preheating device to ensure the uniformity of the temperature field in the glass preheating device. Although the prior art achieves the uniformity of the temperature field in the glass preheating device, there is a problem that the air flow formed in the glass preheating device is directly blown onto the glass, causing local thermal stress in the glass and causing breakage and damage. To this end, the inventor of the present application provides a glass preheating device in one or more embodiments, which preheats the glass by heating the furnace body through a heating mechanism, and forms an air flow in the furnace body through a heating fan to ensure the uniformity of the temperature field in the furnace body, and then prevents the air flow from blowing directly onto the glass through a windshield, thereby avoiding the problem of local thermal stress on the glass causing damage and breakage. It is believed that the device can solve one or more problems in the prior art.

[0031] In view of the above-mentioned technical problems, the utility model provides a glass preheating device, such as Figure 1 and Figure 2 As shown, it includes: a furnace body 1; a heating mechanism 2, which is arranged in the furnace body 1 to heat the internal space of the furnace body 1; a heat circulation fan 3, which is arranged in the furnace body 1 to form an air flow in the furnace body 1 so as to keep the temperature field in the furnace body 1 uniform; a wind shield 4, which is arranged in the furnace body 1 and a glass cover to be heated is arranged therein, so as to prevent the air flow from blowing directly onto the glass.

[0032] Specifically, the inner wall of the furnace body 1 is paved with high temperature resistant materials, the outer shell of the furnace body 1 can be made of steel plates to ensure the structural strength of the furnace body 1, and insulation materials can be arranged between the outer shell of the furnace body 1 and the high temperature resistant materials to avoid the problem of energy waste caused by the heat in the furnace body 1 being released into the environment. An operation panel and a display screen can be arranged on the outer wall of the furnace body 1, buttons are arranged on the operation panel to control the switch of the heating mechanism 2 and the heat circulation fan 3, and the display screen can display the temperature in the furnace body 1. Furthermore, an alarm light can be arranged on the operation panel, and when the temperature in the furnace body 1 exceeds the preset temperature, the alarm light can sound an alarm. The wind shield 4 can be made of high temperature resistant materials. When the glass in the furnace body 1 is preheated, the heating mechanism 2 and the heat circulation fan 3 are turned on, the heating mechanism 2 heats the furnace body 1, and the heat circulation fan 3 generates air flow in the furnace body 1, thereby forming a uniform temperature field in the furnace body 1. At the same time, the wind shield 4 sets the glass cover therein, preventing the air flow generated by the heat circulation fan 3 from directly blowing onto the glass, thereby avoiding the problem of local thermal stress on the glass causing damage and breakage.

[0033] Compared with the prior art, a glass preheating device of the present application achieves preheating of the glass by heating the furnace body 1 through a heating mechanism 2, and forms an air flow in the furnace body 1 through a heating fan, thereby ensuring the uniformity of the temperature field in the furnace body 1, and then prevents the air flow from blowing directly onto the glass through a wind shield 4, thereby avoiding the problem of local thermal stress in the glass causing damage and breakage.

[0034] In some embodiments, a plurality of micropores are provided on the outer wall of the wind shield 4. Through the plurality of micropores, air circulation inside and outside the wind shield 4 is achieved, and the consistency of the temperature field inside and outside the wind shield 4 is ensured. Specifically, the wind shield 4 can be fixed in the furnace body 1 by bolts.

[0035] In some embodiments, the heat circulation fan 3 is rotatably disposed in the furnace body 1. The rotation of the heat circulation fan 3 can generate air flow in all directions in the furnace body 1, further ensuring the uniformity of the temperature field in the furnace body 1. Specifically, the heat circulation fan 3 can be driven to rotate by a driving mechanism.

[0036] In some embodiments, Figure 1 and Figure 2 As shown, the heat circulation fans 3 include multiple heat circulation fans 3, and the multiple heat circulation fans 3 are distributed on the inner wall of the furnace body 1. The uniformity of the temperature field in the furnace body 1 is further ensured by the multiple heat circulation fans 3. Specifically, two heat circulation fans 3 can be arranged on the inner wall of the furnace body 1.

[0037] In some embodiments, Figure 1 and Figure 2As shown, the heating mechanism 2 includes a plurality of heating rods 5, and the plurality of heating rods 5 are arranged on the top wall of the furnace body 1. The heating inside the furnace body 1 is achieved by the plurality of heating rods 5. Specifically, the plurality of heating rods 5 can be controlled to work simultaneously, or some of the heating rods 5 can be controlled to work, so as to control the heating speed and the heating temperature.

[0038] In some embodiments, Figure 1 and Figure 2 As shown, a fixing mechanism 6 is also included, and the fixing mechanism 6 for fixing the glass is arranged in the windshield 4. The glass can be fixed thereon by the fixing mechanism 6, thereby ensuring the safety of the glass.

[0039] In some embodiments, Figure 3 As shown, the fixing mechanism 6 includes a plurality of slots 7, and the plurality of slots 7 are used to fix a plurality of sheets of glass. By providing a plurality of slots 7 on the fixing mechanism 6, a plurality of sheets of glass can be fixed on the fixing mechanism 6 for preheating at the same time, thereby improving the working efficiency of the glass preheating device. Furthermore, an elastic material can be provided in the slots 7 to prevent the slots 7 from scratching the glass.

[0040] In some embodiments, Figure 4 As shown, a retractable spring 8 is provided in the slot 7 for fixing the glass in the slot 7. The spring 8 can firmly fix the glass in the slot 7, further ensuring the safety of the glass. At the same time, the spring 8 can fix glass of different thicknesses in the slot 7, thereby improving the application range of the glass preheating device.

[0041] In some embodiments, Figure 1 and Figure 2 As shown, a thermocouple 9 is also included, which is arranged in the furnace body 1 to monitor the temperature in the furnace body 1. The temperature of the furnace body 1 can be monitored in real time through the thermocouple 9 to avoid the problem of glass damage caused by excessive temperature in the furnace body 1. When the temperature in the furnace body 1 exceeds a preset value, the thermocouple 9 can transmit the monitored temperature to the alarm light, and the alarm light sends an alarm.

[0042] In some embodiments, Figure 1 and Figure 2 As shown, a cooling fan 10 is also included, which is arranged in the furnace body 1 to adjust the temperature in the furnace body 1. According to process requirements, when the preheated glass in the furnace body 1 needs to be cooled down, the cooling fan 10 can be turned on to cool down the furnace body 1.

[0043] In summary, compared with the prior art, the present invention provides a glass preheating device, which achieves preheating of the glass by heating the furnace body 1 through the heating mechanism 2, and forms an air flow in the furnace body 1 through the heating fan, thereby ensuring the uniformity of the temperature field in the furnace body 1, and then prevents the problem of the air flow directly blowing onto the glass through the wind shield 4, thereby avoiding the problem of local thermal stress and damage and breakage of the glass; the uniformity of the temperature field in the furnace body 1 is further ensured by the rotation of the heat circulation fan 3 and multiple heat circulation fans 3; the heating speed and heating temperature of the furnace body 1 can be controlled by multiple heating rods 5; multiple glass sheets can be fixed on the fixing mechanism 6 at the same time for preheating through multiple card slots 7, thereby improving the working efficiency of the glass preheating device; glass of different thicknesses can be fixed on the fixing mechanism 6 through the retaining spring 8, thereby improving the application range of the glass preheating device; the temperature of the furnace body 1 can be monitored in real time through the thermocouple 9, thereby avoiding the problem of excessive temperature in the furnace body 1 damaging the glass.

[0044] So far, various embodiments of the present disclosure have been described in detail. In order to avoid obscuring the concept of the present disclosure, some details known in the art are not described. Based on the above description, those skilled in the art can fully understand how to implement the technical solution disclosed here.

[0045] Although some specific embodiments of the present disclosure have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the present disclosure. It should be understood by those skilled in the art that the above embodiments may be modified or some technical features may be replaced by equivalents without departing from the scope and spirit of the present disclosure. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict.

Claims

1. A glass preheating device, characterized in that: include: Furnace body (1); A heating mechanism (2), the heating mechanism (2) being arranged in the furnace body (1) and used for heating the internal space of the furnace body (1); a heat circulation fan (3), the heat circulation fan (3) being arranged in the furnace body (1) and used for forming an air flow in the furnace body (1) so as to keep the temperature field in the furnace body (1) uniform; and A wind shield (4) is arranged on the furnace body (1) and the glass cover to be heated is arranged therein, so as to prevent the air flow from directly blowing onto the glass.

2. The glass preheating device according to claim 1, characterized in that: A plurality of micro holes are provided on the outer wall of the wind shield (4).

3. The glass preheating device according to claim 1, characterized in that: The heat circulation fan (3) is rotatably arranged in the furnace body (1).

4. The glass preheating device according to claim 3, characterized in that: The heat circulation fans (3) include a plurality of heat circulation fans (3), and the plurality of heat circulation fans (3) are distributed on the inner wall of the furnace body (1).

5. The glass preheating device according to claim 1, characterized in that: The heating mechanism (2) comprises a plurality of heating rods (5), and the plurality of heating rods (5) are arranged on the top wall of the furnace body (1).

6. The glass preheating device according to claim 1, characterized in that: It also comprises a fixing mechanism (6), and the fixing mechanism (6) for fixing the glass is arranged in the windshield (4).

7. The glass preheating device according to claim 6, characterized in that: The fixing mechanism (6) comprises a plurality of card slots (7), and the plurality of card slots (7) are used to fix a plurality of sheets of glass.

8. The glass preheating device according to claim 7, characterized in that: A retractable clamping spring (8) is arranged in the clamping slot (7) for fixing the glass in the clamping slot (7).

9. The glass preheating device according to claim 1, characterized in that: It also comprises a thermocouple (9), which is arranged in the furnace body (1) to monitor the temperature in the furnace body (1).

10. The glass preheating device according to claim 1, characterized in that: It also comprises a cooling fan (10), wherein the cooling fan (10) is arranged in the furnace body (1) to adjust the temperature in the furnace body (1).

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