Toughening furnace for tempered glass production

By employing a conveyor frame and heat insulation plate to partition the heating cavity in the tempering furnace, an electric telescopic rod to adjust the heating position, and a cooling system consisting of a cooling ventilation box and multiple fans, the problem of uneven temperature in traditional tempering furnaces has been solved, achieving uniform heating and cooling of the glass and improving the strength and stability of tempered glass.

CN223752637UActive Publication Date: 2026-01-02CHANGSHU MINGYANG GLASS PROD CO LTD
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Patent Information

Application Number
CN202520093165.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-15
Publication Date
2026-01-02
Estimated Expiration
2035-01-15

AI Technical Summary

Technical Problem

Traditional tempering furnaces suffer from uneven temperature distribution during heating and cooling, which reduces the strength and safety of the glass, makes it difficult to meet the uniform heating requirements of glass of different thicknesses and sizes, and uneven cooling may lead to spontaneous breakage.

Method used

A tempering furnace was designed, which uses a conveyor frame and heat insulation plate to divide the heating cavity into sections, combined with an electric telescopic rod to adjust the heating position, and a cooling ventilation box and a multi-fan uniform cooling system to ensure the temperature uniformity of the glass during the heating and cooling process.

Benefits of technology

This technology enables uniform heating and cooling of glass, improves the strength and stability of tempered glass, prevents spontaneous breakage, and enhances production quality and efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of tempered glass production, and discloses a tempering furnace for tempered glass production, which comprises a furnace body, a conveying tempering heating part and a glass cooling part, a support plate is fixedly mounted on the outer wall of the bottom of the furnace body, and inlets and outlets are formed in the outer walls of the two sides of the furnace body. By means of the conveying frame, the situation can be effectively avoided, the quality stability of tempered glass is improved, the first heat insulation plate, the second heat insulation plate and the third heat insulation plate form different cavities in the furnace body, and by means of the design, the heating process and the cooling process can be controlled in a partitioned mode. The heating cavity can concentrate heat in the area where the glass needs to be heated, heat loss to other unnecessary areas is reduced, and the energy utilization efficiency is improved. And through the rectangular through holes, reasonable distribution of heat in the cavity can be realized, so that the glass can be uniformly heated when passing through the area, the problem of local overheating or insufficient heating is avoided, and the tempering temperature of the glass can be accurately controlled.
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Description

TECHNICAL FIELD

[0001] The utility model relates to toughened glass production technical field, concretely is a kind of toughened furnace for toughened glass production. BACKGROUND

[0002] In today's society, as a kind of high-strength, excellent safety performance material, its application range has been expanded to modern architecture, automobile industry, electronic equipment and other numerous fields. With the progress of technology and the increase of market demand, the application of toughened glass in these fields becomes more and more extensive. This not only improves the appearance and functionality of the product, but also greatly enhances its safety performance. However, with the continuous expansion of application fields, higher requirements are put forward for the production quality and efficiency of toughened glass. In order to meet these needs, manufacturers must continuously improve production process, improve automation level, optimize production process, and ensure that each piece of toughened glass can meet the high standard quality requirements. At the same time, in order to improve production efficiency, manufacturers also need to introduce advanced equipment and technology, optimize resource allocation, reduce waste in the production process, so as to improve production efficiency under the premise of ensuring quality, meet the market demand for large quantities of toughened glass.

[0003] Traditional toughened furnace has some problems in the production process of toughened glass, the heating mode is not flexible enough, it is difficult to realize uniform heating for glass of different thickness and size, the traditional heating element fixing mode limits its adjustment ability of heating intensity of different parts of glass, which leads to uneven temperature distribution of glass in the heating process, which may cause local stress too large or too small, reduces the strength and safety of toughened glass, in terms of glass cooling, the cooling system of traditional toughened furnace usually has the phenomenon of uneven cooling, which may be due to unreasonable ventilation structure, cooling air cannot uniformly cover the surface of glass, so that the cooling speed of different areas of glass is inconsistent, uneven cooling will form residual stress in the glass, which is easy to cause self-explosion of toughened glass. INVENTION CONTENTS

[0004] The utility model aims at providing a kind of toughened furnace for toughened glass production to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of toughened furnace for toughened glass production, including furnace body, conveying toughened heating part, glass cooling part, the bottom outer wall of the furnace body is fixedly installed with support plate, the both sides outer wall of the furnace body is all set with import and export, the bottom of the support plate is fixedly installed with support pad;The conveying toughened heating part is set in the inside of furnace body;The glass cooling part is set in the outer wall of furnace body.

[0006] Preferably, the conveying tempering heating part specifically comprises: a conveying frame fixedly installed on the top of the support plate; heating communication openings respectively formed on the upper and lower outer walls of the furnace body; a first heat insulation plate fixedly installed on the inner wall of the furnace body; a second heat insulation plate fixedly installed on the inner wall of the furnace body; a third heat insulation plate fixedly installed on the inner wall of the furnace body; a first heating box fixedly installed on the top outer wall of the furnace body; and a second heating box fixedly installed on the bottom outer wall of the furnace body. The conveying frame is provided, and the conveying rollers equidistantly arranged on the conveying frame can provide stable support and accurate conveying path for the glass. During the entire tempering process, the glass needs to be accurately moved inside the furnace body, and the conveying rollers ensure that the glass passes through the heating and cooling areas along the predetermined route, avoiding the glass from deviating or shaking in the furnace, and ensuring the accuracy of the tempering process.

[0007] Preferably, the conveying frame is fixedly connected with the inner wall of the furnace body, equidistantly provided with conveying rollers between the inner walls of the conveying frame, and the first heat insulation plate and the second heat insulation plate form a heating cavity therebetween, and the second heat insulation plate and the third heat insulation plate form a cooling cavity therebetween. Rectangular communication openings are formed on the first heat insulation plate, the second heat insulation plate and the third heat insulation plate.

[0008] Preferably, the first heating box and the second heating box are in communication with the furnace body through the heating communication openings, and the outer walls of the first heating box and the second heating box are fixedly installed with electric telescopic rod fixing frames, and the electric telescopic rod fixing frames are fixedly installed with electric telescopic rods inside. The electric telescopic rods are provided, cooperated with the heating frame, and can adjust the position of the heating detour pipe relative to the glass. In the production process of tempered glass, different thicknesses and sizes of glass have different requirements for heating distance. Through the extension and retraction of the electric telescopic rod, the heating frame can drive the heating detour pipe to approach or move away from the glass, so as to ensure that the glass is in the best heating range and the uniformity of heating is ensured.

[0009] Preferably, positioning holes and through holes are formed on the first heating box and the second heating box, the extension ends of the electric telescopic rods extend to the interiors of the first heating box and the second heating box through the through holes respectively, the first heating box and the second heating box are provided, and the first heating box and the second heating box are respectively located on the top and the bottom of the furnace body. By being in communication with the heating communication openings of the furnace body, the heating control of different areas in the furnace can be realized. The design of the upper and lower partitions can adjust the heating requirements of the upper and lower surfaces of the glass in the tempering process.

[0010] Preferably, the extension end of the electric telescopic rod is fixedly connected with a heating frame, the heating frame is provided with a heating detour pipe inside, the outer wall of the heating frame is fixedly connected with a positioning rod, the other end of the positioning rod extends to the outside of the first heating box and the second heating box through the positioning hole, the other end of the positioning rod is fixedly connected with a limiting plate, and the positioning rod is in sliding connection with the positioning hole.

[0011] Preferably, the glass cooling part specifically comprises: cooling communication openings respectively arranged on the upper and lower outer walls of the furnace body; a first cooling ventilation box fixedly installed on the top outer wall of the furnace body; and a second cooling ventilation box fixedly installed on the bottom outer wall of the furnace body.

[0012] Preferably, the outer walls of the first and second cooling ventilation boxes are equally spaced to be provided with ventilation openings, the inner walls of the first and second cooling ventilation boxes are fixedly installed with ventilation screen plates, the first and second cooling ventilation boxes are communicated with the furnace body through the cooling communication openings, and the outer walls of the first and second cooling ventilation boxes are fixedly and equally spaced to be installed with cooling fans.

[0013] The steeling furnace for tempered glass production has the following beneficial effects:

[0014] (1) The conveying frame can effectively avoid the above-mentioned situation and improve the stability of the quality of the tempered glass.

[0015] (2) The first and second cooling ventilation boxes are communicated with the furnace body through the cooling communication openings, so that the glass can be cooled from the upper and lower sides. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front view of the overall structure of the utility model;

[0017] Figure 2 It is the partial sectional view of the conveying and toughening heating part of the utility model;

[0018] Figure 3 It is the partial view of the heating detour pipe of the utility model;

[0019] Figure 4 It is the partial view of the glass cooling part of the utility model.

[0020] In the figure: 1 furnace body, 2 support plate, 3 conveying and toughening heating part, 311 conveying frame, 312 conveying roller, 313 heat insulation plate one, 314 heat insulation plate two, 315 heat insulation plate three, 316 rectangular through opening, 317 heating box one, 318 heating box two, 319 heating frame, 3111 positioning rod, 3112 positioning hole, 3113 through hole, 3114 electric telescopic rod, 3115 electric telescopic rod fixing frame, 3116 limit plate, 3117 heating detour pipe, 3118 heating communication opening, 4 glass cooling part, 411 cooling communication opening, 412 cooling ventilation box one, 413 cooling ventilation box two, 414 ventilation screen plate, 415 ventilation opening, 416 cooling fan, 417 cooling fan, 5 support cushion block. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Examples of the described embodiments are shown in the accompanying drawings, wherein the same or similar reference signs represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as limiting the utility model. EMBODIMENT

[0023] The preferred embodiment of the toughened glass production furnace provided by the utility model like Figures 1-4 As shown in the figure: a kind of toughened glass production furnace, including furnace body 1, conveying and toughening heating part 3, glass cooling part 4, the bottom outer wall of the furnace body 1 is fixedly installed with support plate 2, the both sides outer wall of the furnace body 1 is all set with import and export, the bottom of the support plate 2 is fixedly installed with support cushion block 5;The conveying and toughening heating part 3 is arranged in the inside of furnace body 1;The glass cooling part 4 is arranged on the outer wall of furnace body 1.

[0024] The conveying and tempering heating part 3 specifically comprises: a conveying frame 311 fixedly installed on the top of the support plate 2; heating communication openings 3118 respectively formed on the upper and lower outer walls of the furnace body 1; a first heat insulation plate 313 fixedly installed on the inner wall of the furnace body 1; a second heat insulation plate 314 fixedly installed on the inner wall of the furnace body 1; a third heat insulation plate 315 fixedly installed on the inner wall of the furnace body 1; a first heating box 317 fixedly installed on the top outer wall of the furnace body 1; and a second heating box 318 fixedly installed on the bottom outer wall of the furnace body 1.

[0025] The conveying rollers 312 are equidistantly arranged between the inner walls of the conveying frame 311, the conveying frame 311 is fixedly connected with the inner wall of the furnace body 1, the heating cavity is formed between the first heat insulation plate 313 and the second heat insulation plate 314, the cooling cavity is formed between the second heat insulation plate 314 and the third heat insulation plate 315, and the rectangular communication openings 316 are formed in the first heat insulation plate 313, the second heat insulation plate 314 and the third heat insulation plate 315.

[0026] The first heating box 317 and the second heating box 318 are connected with the furnace body 1 through the heating communication openings 3118, the outer walls of the first heating box 317 and the second heating box 318 are fixedly installed with the electric telescopic rod fixing frames 3115, and the electric telescopic rod fixing frames 3115 are fixedly installed with the electric telescopic rods 3114.

[0027] The first heating box 317 and the second heating box 318 are respectively provided with the positioning holes 3112 and the through holes 3113, and the telescopic ends of the electric telescopic rods 3114 extend into the interiors of the first heating box 317 and the second heating box 318 through the through holes 3113.

[0028] The telescopic ends of the electric telescopic rods 3114 are fixedly connected with the heating frames 319, the interiors of the heating frames 319 are provided with the heating bypass pipes 3117, the outer walls of the heating frames 319 are fixedly connected with the positioning rods 3111, the other ends of the positioning rods 3111 extend to the exteriors of the first heating box 317 and the second heating box 318 through the positioning holes 3112, the other ends of the positioning rods 3111 are fixedly connected with the limiting plates 3116, and the positioning rods 3111 are slidingly connected with the positioning holes 3112.

[0029] In the process of the embodiment, the first heat insulation plate 313, the second heat insulation plate 314 and the third heat insulation plate 315 divide the interior of the furnace body 1 into different areas, the heating cavity is formed between the first heat insulation plate 313 and the second heat insulation plate 314, and the cooling cavity is formed between the second heat insulation plate 314 and the third heat insulation plate 315, which is beneficial to the partition control of the heating and cooling processes. The heating cavity can concentrate heat in the area where the glass needs to be heated, reduce the heat loss to other unnecessary areas, and improve the energy utilization efficiency. EMBODIMENT

[0030] On the basis of the embodiment one, the preferable implementation example of the tempering furnace for tempered glass production is provided Figures 1-4 As shown: the glass cooling part 4 specifically includes: cooling communication port 411, respectively set in the upper and lower two sides of the outer wall of the furnace body 1; cooling ventilation box one 412, fixedly installed on the top outer wall of the furnace body 1; cooling ventilation box two 413, fixedly installed on the bottom outer wall of the furnace body 1.

[0031] The outer wall of the cooling ventilation box one 412 and the cooling ventilation box two 413 is equally provided with a ventilation port 415, the inner wall of the cooling ventilation box one 412 and the cooling ventilation box two 413 is fixedly installed with a ventilation screen plate 414, the cooling ventilation box one 412 and the cooling ventilation box two 413 are communicated with the furnace body 1 through the cooling communication port 411, the outer wall of the cooling ventilation box one 412 and the cooling ventilation box two 413 is fixedly installed with a cooling fan 416, the output end of the cooling fan 416 extends to the inside of the cooling ventilation box one 412 and the cooling ventilation box two 413 through the ventilation port 415, and the output end of the cooling fan 416 is fixedly connected with a cooling fan 417.

[0032] In the process of the embodiment, when the cooling fan 416 is started, the external air is sucked into the cooling ventilation box one 412 and the cooling ventilation box two 413, the ventilation screen plate 414 is installed on the inner wall of the cooling ventilation box one 412 and the cooling ventilation box two 413, which plays a filtering role on the sucked air, prevents impurities from entering the furnace body 1 and affecting the glass quality, and the filtered air is blown to the glass through the cooling communication port 411 under the action of the cooling fan 417, realizes the rapid cooling of the glass, and completes the tempering process, in the cooling process, the cooling fan of the cooling fan output end can produce stable and uniform airflow, when the glass starts to cool from the high temperature state, the uniform air cooling can make the temperature drop speed of each part of the glass consistent, effectively avoid the problem of uneven stress caused by local temperature difference, the tempered glass with uniform stress has better strength and stability, and is not easy to appear self-explosion phenomenon, improves the product quality.

[0033] Working principle: glass through the inlet and outlet of the furnace body 1 into the steel furnace, in the furnace body 1, mainly by conveying steel heating part 3 to the glass heating, then the glass cooling part 4 for cooling treatment, support plate 2 and support cushion 5 for the whole furnace body 1 provides stable support, the conveying roller 312 on the conveying frame 311 is equidistantly arranged, the glass is placed on the conveying roller 312, the stable conveying of the glass in the furnace body 1 is realized through the rotation of the conveying roller 312, the conveying frame 311 is fixedly connected with the inner wall of the furnace body 1, the stability of the conveying structure is ensured, the heat insulation plate one 313, the heat insulation plate two 314 and the heat insulation plate three 315 divide the furnace body 1 into different areas, the heating cavity is formed between the heat insulation plate one 313 and the heat insulation plate two 314, the cooling cavity is formed between the heat insulation plate two 314 and the heat insulation plate three 315, the heating box one 317 and the heating box two 318 are connected with the furnace body 1 through the heating communication port 3118, the electric telescopic rod 3114 is installed on the electric telescopic rod fixed frame 3115, the telescopic end extends to the inside through the through hole 3113 on the heating box one 317 and the heating box two 318, when the electric telescopic rod 3114 telescopes, the heating frame 319 moves, the heating circuit tube 3117 in the heating frame 319 heats the glass passing through the heating cavity, the position of the heating frame 319 can be adjusted by controlling the telescopic of the electric telescopic rod 3114, so that more accurate heating of different parts of the glass is realized, the glass is uniformly heated, the sliding connection of the positioning rod 3111 and the positioning hole 3112 and the action of the limiting plate 3116 ensure the stability and accuracy of the heating frame 319 in the moving process, the cooling ventilation box one 412 and the cooling ventilation box two 413 are connected with the furnace body 1 through the cooling communication port 411, the cooling fan 416 is installed on the outer wall of the cooling ventilation box one 412 and the cooling ventilation box two 413, the output end extends to the inside through the ventilation port 415 and connects the cooling fan 417, when the cooling fan 416 starts, the outside air is sucked into the cooling ventilation box one 412 and the cooling ventilation box two 413, the ventilation screen plate 414 is installed on the inner wall of the cooling ventilation box one 412 and the cooling ventilation box two 413, which filters the air sucked to prevent impurities from entering the furnace body 1 and affecting the quality of the glass, the filtered air is uniformly blown to the glass through the cooling communication port 411 under the action of the cooling fan 417, realizing the rapid cooling of the glass, so as to complete the steel process.

[0034] It should be noted that the relational terms herein, such as first and second, and the like, are used solely to distinguish one from another entity or action without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] Finally, it should be noted that the above-described embodiments are merely possible embodiments of the present application, and thus are not used to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, the technical solutions recorded in the foregoing embodiments can still be modified or equivalent replaced by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A tempering furnace for producing tempered glass, comprising a furnace body (1), a conveying tempering heating section (3), and a glass cooling section (4), characterized in that, The bottom outer wall of the furnace body (1) is fixedly installed with a support plate (2), the two side outer walls of the furnace body (1) are each provided with an inlet and an outlet, and the bottom of the support plate (2) is fixedly installed with a support pad (5); the conveying and tempering heating part (3) is arranged in the interior of the furnace body (1); and the glass cooling part (4) is arranged on the outer wall of the furnace body (1).

2. The toughening furnace for producing toughened glass according to claim 1, characterized in that, The conveying and tempering heating part (3) specifically comprises: A conveying frame (311) fixedly installed on the top of the support plate (2); Heating communication openings (3118) respectively arranged on the upper and lower side outer walls of the furnace body (1); A first heat insulation plate (313) fixedly installed on the inner wall of the furnace body (1); A second heat insulation plate (314) fixedly installed on the inner wall of the furnace body (1); A third heat insulation plate (315) fixedly installed on the inner wall of the furnace body (1); A first heating box (317) fixedly installed on the top outer wall of the furnace body (1); A second heating box (318) fixedly installed on the bottom outer wall of the furnace body (1).

3. The toughening furnace for producing toughened glass according to claim 2, characterized in that, Equidistantly arranged between the inner walls of the conveying frame (311) are conveying rollers (312), the conveying frame (311) is fixedly connected with the inner wall of the furnace body (1), a heating cavity is formed between the first heat insulation plate (313) and the second heat insulation plate (314), a cooling cavity is formed between the second heat insulation plate (314) and the third heat insulation plate (315), and rectangular communication openings (316) are arranged on the first heat insulation plate (313), the second heat insulation plate (314) and the third heat insulation plate (315).

4. The toughening furnace for producing toughened glass according to claim 3, characterized in that, The first heating box (317) and the second heating box (318) are connected with the furnace body (1) through the heating communication openings (3118), the outer walls of the first heating box (317) and the second heating box (318) are each fixedly installed with an electric telescopic rod fixing frame (3115), and the electric telescopic rod fixing frame (3115) is fixedly installed with an electric telescopic rod (3114) in the interior.

5. The toughening furnace for producing toughened glass according to claim 4, characterized in that, Positioning holes (3112) and through holes (3113) are arranged on the first heating box (317) and the second heating box (318), and the telescopic ends of the electric telescopic rod (3114) extend into the interiors of the first heating box (317) and the second heating box (318) through the through holes (3113) respectively.

6. The toughening furnace for producing toughened glass according to claim 5, characterized in that, The telescopic end of the electric telescopic rod (3114) is fixedly connected with a heating frame (319), the interior of the heating frame (319) is provided with a heating bypass pipe (3117), the outer wall of the heating frame (319) is fixedly connected with a positioning rod (3111), the other end of the positioning rod (3111) extends to the exterior of the first heating box (317) and the second heating box (318) through the positioning hole (3112), the other end of the positioning rod (3111) is fixedly connected with a limiting plate (3116), and the positioning rod (3111) is slidably connected with the positioning hole (3112).

7. The toughening furnace for producing toughened glass according to claim 1, characterized in that, The glass cooling part (4) specifically comprises: Cooling communication openings (411) respectively arranged on the upper and lower side outer walls of the furnace body (1); A first cooling ventilation box (412) fixedly installed on the top outer wall of the furnace body (1); A second cooling ventilation box (413) fixedly installed on the bottom outer wall of the furnace body (1).

8. The toughening furnace for producing toughened glass according to claim 7, characterized in that, The outer wall of the cooling ventilation box one (412) and the cooling ventilation box two (413) is equidistantly provided with ventilation openings (415), the inner wall of the cooling ventilation box one (412) and the cooling ventilation box two (413) is fixedly installed with ventilation screen plates (414), the cooling ventilation box one (412) and the cooling ventilation box two (413) are communicated with the furnace body (1) through cooling communication openings (411), the outer wall of the cooling ventilation box one (412) and the cooling ventilation box two (413) is fixedly and equidistantly installed with cooling fans (416), the output end of the cooling fan (416) extends to the inside of the cooling ventilation box one (412) and the cooling ventilation box two (413) through the ventilation opening (415), and the output end of the cooling fan (416) is fixedly connected with cooling fans (417).