Annealing furnace with uniform internal circulation temperature for annealing glass products and method of using the same

By designing an annealing furnace with uniform internal circulation temperature and utilizing a combined structure of a conveyor table, tray, and heating plate group, the problem of uneven heating of glass products during the annealing process is solved, achieving uniform heating and efficient production.

CN118993514BActive Publication Date: 2025-09-26ANHUI JINGJING GLASS PROD CO LTD
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Patent Information

Application Number
CN202411087804.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-08-09
Publication Date
2025-09-26
Estimated Expiration
2044-08-09

AI Technical Summary

Technical Problem

In existing glass annealing furnaces, the inconsistent distance between the product position in the furnace and the heating resistor wire causes uneven heating on the product surface, affecting production quality.

Method used

We designed an internal circulation annealing furnace with uniform temperature. This furnace utilizes a combined conveyor platform, tray, and heating plate assembly to achieve uniform heating of glass products. The conveyor platform consists of two plates, the tray rotates, and the multiple heating plates move. A combination of a chute and rocker mechanism adjusts the distance between the heating plates and the glass product to ensure uniform heating.

Benefits of technology

It achieves uniform heating of the surface of glass products, improves production quality and processing efficiency, and avoids the low efficiency problem of manual operation.

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Abstract

The present invention discloses an annealing furnace with uniform internal circulation temperature for annealing glass products and a method for using the same, and belongs to the technical field of glass product manufacturing. A groove 1 is provided on the upper surface of the base, two slide grooves 1 are provided in the groove 1, a conveying platform is provided in the groove 1, and the conveying platform is composed of two plates 1, each of which is provided with a rocker 1 at the lower end, and both are movably connected to the slide groove 1; the annealing furnace is arranged in the groove 1, a movable door panel is provided at the front end of the annealing furnace, a heating plate group is provided on the inner wall of the annealing furnace, a rotating rod is provided at the bottom of the annealing furnace, and a tray is provided at the upper end of the rotating rod. The present invention solves the existing problem that the position of the product in the furnace is different from the distance between the heating resistance wire, which also affects the heating of the product surface and directly affects the production quality of the product. The internal temperature is made more uniform by the heating plate group, and the heating of the glass product is also more stable. The distance between the product and the rocker 2 and the rocker 3 is changed, and the heating position is changed under the action of the slider 4 and the electric roller 2.
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Description

Technical Field

[0001] The present invention relates to the technical field of glass product manufacturing, in particular to an annealing furnace with uniform internal circulation temperature for annealing glass products and a method for using the same. Background Art

[0002] With the increasing demand for glass products in various industries, the requirements for processing links and processing technology in the manufacturing process are gradually increasing. Among them, the annealing process in the glass product manufacturing process is an indispensable step for heat treatment of materials. Its working principle is to change the grain structure of the material through heating, insulation and cooling, thereby improving the performance and characteristics of the glass product material. Therefore, the annealing furnace that completes this process is a more common processing equipment used in glass product manufacturing.

[0003] Publication No. CN201721257940.4 discloses a glass annealing furnace, comprising a furnace body having a furnace chamber and a heating element arranged on the inner wall of the furnace body, and further comprising a temperature equalizing device arranged in the furnace chamber, wherein the temperature equalizing device is made of refractory material, a workpiece annealing chamber is provided inside the temperature equalizing device, and an opening communicating with the workpiece annealing chamber is provided at the upper end thereof. By arranging a temperature equalizing device made of refractory material in the furnace chamber of the furnace body, the glass workpiece is annealed using the workpiece annealing chamber provided in the temperature equalizing device as the effective annealing working area, and the side walls of the temperature equalizing device can be used to absorb the uneven heat radiated by the heating element, thereby evenly distributing the heat on the side walls of the temperature equalizing device and radiating uniform heat to the workpiece annealing chamber in a surface radiation manner, thereby improving the uniformity of the annealing temperature in the effective working area.

[0004] Although the above-mentioned existing technology solves the problem of uneven distribution of heat flux of heat source in the glass annealing furnace due to improper arrangement of heating resistance wires, uneven winding density of resistance wires, local short circuit or damage, etc., which causes large temperature deviation in the effective working area of ​​the furnace, and although it solves the problem of uniform heating by arranging heating resistance wires, the existing technology still has the problem that the position of the product in the furnace and the distance from the heating resistance wires are different, which will affect the heating of the product surface and directly affect the production quality of the product.

[0005] Therefore, in order to solve the above problems, an annealing furnace with uniform internal circulation temperature for annealing glass products and a method for using the same are proposed. Summary of the Invention

[0006] The object of the present invention is to provide an annealing furnace with uniform internal circulation temperature for annealing glass products and a method for using the same, so as to solve the problem raised in the above background technology that the position of the product in the furnace and the distance from the heating resistance wire are different, which will affect the heating of the product surface and directly affect the production quality of the product.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: an annealing furnace with uniform internal circulation temperature for annealing glass products, comprising a base, a groove 1 being provided on the upper surface of the base, two slide grooves 1 being provided in the groove 1, a conveying platform being provided in the groove 1, the conveying platform being composed of two plates 1, a rocker 1 being provided at the lower end of the two plates, and both being movably connected to the slide groove 1; the annealing furnace is arranged in the groove 1, a movable door panel is provided at the front end of the annealing furnace, a heating plate group is provided on the inner wall of the annealing furnace, a rotating rod is provided at the bottom of the annealing furnace, and a tray is provided at the upper end of the rotating rod.

[0008] Preferably, the lower ends of the two rockers are provided with movable joints, the lower ends of the two movable joints are electrically connected to drive motor 1, the lower ends of the two drive motors are provided with sliders 3 through slide groove 1, and the two slide grooves 1 are provided with electric screw rods 2, and are movably connected to slider 3.

[0009] Preferably, a slide groove five is provided at the bottom of the two plates one, a slider two is movably connected to the upper end of the two rocker arms one, and both are movably connected to the slide groove five, an electric roller one is provided on both sides of the two sliders two, a slide groove six is ​​provided on both sides of the two slide grooves five, and both are movably connected to the electric roller one, and a groove two for holding glass products is provided in the two plates one.

[0010] Preferably, the lower end of the base is provided with a plurality of supporting legs, the upper end of the annealing furnace is provided with a condensing assembly for cooling, the front end of the annealing furnace is provided with two slide grooves 2, and both are movably connected to the movable door panel, and the rear end of the movable door panel is provided with two sliders 1 for moving in the slide groove 2, and the two sliders 1 are each provided with an electric screw rod 1 for controlling the up and down movement of the movable door panel.

[0011] Preferably, a plurality of cross bars are provided in the tray, and a second driving motor is provided at the bottom of the annealing furnace for driving the rotating rod to rotate the tray.

[0012] Preferably, an opening is provided at the front end of the annealing furnace, a chute three is provided on the inner wall of the annealing furnace, and chute four is provided at the upper and lower ends of the chute three.

[0013] Preferably, the heating plate group consists of four plate twos, the rear ends of the plate twos are fixedly connected to the connecting seat, the rear ends of the connecting seat are movably connected to the rocker two, the rear ends of the rocker twos are movably connected to the rocker three, one side of the rocker three is movably connected to the moving rod, and each is movably connected to the slide groove three.

[0014] Preferably, the rear ends of the movable rods are each provided with a slider four, and are movably connected to the slide groove four, and the upper and lower ends of the slider four are movably connected to the electric roller two.

[0015] The operating method of the internal circulation annealing furnace with uniform temperature for annealing glass products comprises the following steps:

[0016] Step 1: First, the glass product to be annealed is transported to the opening of the annealing furnace via the conveyor platform based on rocker 1. At this time, the movable door panel at the opening opens upward along the slide 2, and the conveyor platform transports the glass product to the tray in the base;

[0017] Step 2: Subsequently, the movable door panel is closed to start the heating annealing operation. During heating, the tray holding the glass products can rotate at a constant speed inside the annealing furnace during the processing process, and the heating plate group located on the inner wall of the annealing furnace can rotate along the chute three and the chute four during heating, and the position of each plate two can be moved as needed to achieve a uniform temperature.

[0018] Step 3: After heating for a certain period of time, the glassware in the base is cooled by the condensation component and then taken out.

[0019] Compared with the prior art, the present invention has the following beneficial effects:

[0020] 1. The heating plate assembly of the present invention is divided into multiple plates, which can facilitate the movement of the heating component, thereby achieving a uniform temperature, making the internal temperature more uniform and the surface heating of the glass product more stable. The multiple plates are adjusted in distance from the glass product by rocker levers 2 and 3 on the back, increasing the flexibility of the structure. The slider 4 provided on the back of the movable rod can be moved within the slide groove 4 under the action of the motorized roller 2, thereby moving the position on the inner wall of the annealing furnace.

[0021] 2. The tray and crossbar of the present invention increase the contact surface between the glass product and the surrounding temperature. The rotating rod under the tray rotates the glass product, thereby changing the heating surface of the glass product, increasing processing efficiency and achieving uniform heating.

[0022] 3. The conveying platform of the present invention is composed of two plates, which move under the action of a rocker bar 1 at the bottom to realize the function of conveying glass products. The sliding groove 5 opened on the lower surface of the plate can be adjusted based on the slider 2 to make the two plates open to both sides, so that the glass products placed in the conveying platform can be placed on the tray, avoiding the problem of low efficiency of manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 Schematic diagram of the external structure of the annealing furnace of the present invention Figure 1 ;

[0024] Figure 2 Schematic diagram of the external structure of the annealing furnace of the present invention Figure 2 ;

[0025] Figure 3 This is a schematic diagram of the external and internal structure of the annealing furnace of the present invention;

[0026] Figure 4 Schematic diagram of the external cross-section structure of the annealing furnace of the present invention;

[0027] Figure 5 This is a schematic diagram of the structure of the tray of the present invention;

[0028] Figure 6 Schematic diagram of the transmission platform structure of the present invention Figure 1 ;

[0029] Figure 7 Schematic diagram of the transmission platform structure of the present invention Figure 2 ;

[0030] Figure 8 This is a schematic diagram of the back structure of the heating plate of the present invention.

[0031] In the figure: 1. Base; 101. Support leg; 102. Groove 1; 103. Slide 1; 2. Annealing furnace; 201. Condensation assembly; 202. Movable door panel; 20201. Slider 1; 20202. Electric screw 1; 203. Slide 2; 204. Opening; 205. Slide 3; 206. Slide 4; 3. Conveyor platform; 301. Plate 1; 302. Groove 2; 303. Slide 5; 304. Slide 6; 305. Slider 2; 306, electric roller 1; 4, rocker 1; 401, movable joint; 402, drive motor 1; 403, slider 3; 404, electric screw 2; 5, heating plate group; 501, plate 2; 502, connecting seat; 503, rocker 2; 504, rocker 3; 505, moving rod; 506, slider 4; 507, electric roller 2; 6, tray; 601, cross bar; 602, rotating rod; 603, drive motor 2. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] To resolve existing technical issues, please refer to Figures 1 to 8 , providing the following technical solutions:

[0034] An annealing furnace with uniform internal circulation temperature for annealing glass products includes a base 1, a groove 102 is provided on the upper surface of the base 1, two chutes 103 are provided in the groove 102, a conveying platform 3 is provided in the groove 102, and the conveying platform 3 is composed of two plates 301. The lower ends of the two plates 301 are each provided with a rocker 4, and both are movably connected to the chute 103. A condensing component 201 for cooling is provided at the upper end of the annealing furnace 2, the annealing furnace 2 is arranged in the groove 102, and a movable door panel 202 is provided at the front end of the annealing furnace 2. A plurality of supporting legs 101 are provided at the lower end of the base 1, and two chutes 203 are provided at the front end of the annealing furnace 2, and both are movably connected to the movable door panel 202. Figure 1 and Figure 2 As shown, the conveying platform 3 is used to convey the glass products to be processed, and the heating plate group 5 located in the base 1 is used to increase the uniform heating of the glass products.

[0035] In this embodiment, if Figure 3 and Figure 4 As shown, the rear end of the movable door panel 202 is provided with two sliders 20201 for moving in the slide groove 203. The two sliders 20201 are each provided with an electric screw rod 20202 for controlling the movable door panel 202 to move up and down. An opening 204 is provided at the front end of the annealing furnace 2. The inner wall of the annealing furnace 2 is provided with a slide groove 3 205. The upper and lower ends of the slide groove 3 205 are provided with a slide groove 4 206. The inner wall of the annealing furnace 2 is provided with a heating plate group 5. The heating plate group 5 consists of four plates 2 501. The slide groove 3 205 and the slide groove 4 206 opened on the inner wall of the annealing furnace 2 provide a position for the movement of the heating plate group 5, thereby increasing the uniformity of the internal air heating.

[0036] In this embodiment, if Figure 5 As shown, a rotating rod 602 is provided at the bottom of the annealing furnace 2, a tray 6 is provided at the upper end of the rotating rod 602, and a plurality of cross bars 601 are provided in the tray 6. A second driving motor 603 is provided at the bottom of the annealing furnace 2 for driving the rotating rod 602 to rotate the tray 6. The tray 6 can rotate an angle when heated by the heating plate group 5 based on the driving rotating rod 602 and the second driving motor 603, and the cross bars 601 provided in the tray 6 increase the heating surface of the glass product and the heating uniformity.

[0037] In this embodiment, if Figure 6 and Figure 7As shown, the lower ends of the two rockers 1 are each provided with a movable joint 401, the lower ends of the two movable joints 401 are electrically connected to a drive motor 1 402, the lower ends of the two drive motors 1 402 are provided with a slider 3 403 through a slide 103, the two slides 1 103 are each provided with an electric screw 2 404, and are both movably connected to the slider 3 403, the bottoms of the two plates 1 are each provided with a slide 5 303, the upper ends of the two rockers 1 are each movably connected to a slider 2 305, and are both movably connected to the slide 5 303, and both sides of the two sliders 2 305 are provided with an electric roller 1 306, the two Six chutes 304 are provided on both sides of the chute five 303 and are movably connected to the motorized roller one 306. A groove two 302 for holding glass products is provided in the two plates one 301. The two plates one 301 of the conveying platform 3 are moved by the rocker one 4 below. As shown in the figure, the rocker one 4 is movably connected to the slider two 305. When the slider two 305 is moved in the chute six 304 by the motorized roller one 306 on both sides, the two plates one 301 are opened outward, so that the glass products placed in the groove two 302 are placed on the crossbar 601 of the tray 6.

[0038] In this embodiment, if Figure 8 As shown, the rear end of the second plate 501 is fixedly connected to the connecting seat 502, the rear end of the connecting seat 502 is movably connected to the rocker 2 503, the rear end of the rocker 2 503 is movably connected to the rocker 3 504, and one side of the rocker 3 504 is movably connected to the moving rod 505, and is movably connected to the slide groove 3 205. The rear end of the moving rod 505 is provided with a slider 4 506, and is movably connected to the slide groove 4 206. The upper and lower ends of the slider 4 506 are movably connected to the electric roller 2 507. As shown in the figure, the second plate 501 is moved in the slide groove 4 206 by the slider 4 506 and the electric roller 2 507. The joint between the rocker 2 503 and the rocker 3 504 is movably connected, so that the rocker 3 504 and the rocker 2 503 are straightened, so that the distance between the second plate 501 and the glass product can be adjusted when needed.

[0039] Working principle: First, the glass product that needs to be annealed is placed in the groove 2 302 of the conveyor 3. The rocker 1 4 below moves along the slide 103 to the opening 204 of the annealing furnace 2 under the action of the slider 3 403 and the electric screw 2 404. At this time, the movable door panel 202 located at the opening 204 opens the opening 204 upward along the slide 2 203 under the action of the slider 1 20201 and the electric screw 1 20202. Subsequently, the conveyor 3 delivers the glass product to the top of the tray 6 in the base 1. At this time, the two plates 1 301 are opened to both sides under the action of the electric roller 1 306 driving the slider 2 305 and causing it to move and change its position in the slide 5 303 and the slide 6 304. , so that the glass products fall onto the crossbar 601 of the tray 6, the conveyor platform 3 moves out of the annealing furnace 2, and the movable door panel 202 is closed to start the heating annealing operation. During heating, the tray 6 holding the glass products can rotate at a constant speed in the processing process, and the heating plate group 5 located in the annealing furnace 2 can rotate along the chute three 205 and the chute four 206 during heating to change the heating position, or rotate the connection between the rocker three 504 and the rocker two 503 to straighten it and change its shape, so that the structure can move the position of each plate two 501 and control the distance between it and the glass products, thereby achieving the effect of uniform temperature. Finally, after heating for a certain period of time, the condensation component 201 cools the glass products in the base 1 and then takes them out.

[0040] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0041] While the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that various changes, modifications, substitutions, and alterations can be made to the embodiments without departing from the principles and spirit of the invention.

Claims

1. An annealing furnace with uniform internal circulation temperature for annealing glass products, characterized in that: include: The base (1) has a groove (102) on its upper surface, two slide grooves (103) are provided in the groove (102), a conveying platform (3) is provided in the groove (102), and the conveying platform (3) is composed of two plates (301), and the lower ends of the two plates (301) are both provided with a rocker (4), and both are movably connected to the slide groove (103); The annealing furnace (2) is arranged in a groove (102). The front end of the annealing furnace (2) is provided with a movable door panel (202). The inner wall of the annealing furnace (2) is provided with a heating plate group (5). The bottom of the annealing furnace (2) is provided with a rotating rod (602). The upper end of the rotating rod (602) is provided with a tray (6). The bottoms of the two plates (301) are both provided with a sliding groove (303). The upper ends of the two rocker arms (4) are both movably connected with a slider (305) and are both movably connected to the sliding groove (303). The two sliders (305) are both provided with an electric roller (306) on both sides. The two sliding grooves (303) are both provided with a sliding groove (304) on both sides and are both movably connected to the electric roller (306). The two plates (301) are both provided with a groove (302) for holding glass products.

2. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 1, characterized in that: The lower ends of the two rocker arms (4) are both provided with movable joints (401), the lower ends of the two movable joints (401) are both electrically connected to the drive motor (402), the lower ends of the two drive motors (402) are both provided with sliders (403) through the slide groove (103), and the two slide grooves (103) are both provided with electric screw rods (404), and are both movably connected to the sliders (403).

3. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 1, characterized in that: The lower end of the base (1) is provided with a plurality of supporting legs (101), the upper end of the annealing furnace (2) is provided with a condensing assembly (201) for cooling, the front end of the annealing furnace (2) is provided with two chute 2 (203), and both are movably connected to the movable door panel (202), the rear end of the movable door panel (202) is provided with two sliders 1 (20201), which are used to move in the chute 2 (203), and the two sliders 1 (20201) are each provided with an electric screw rod 1 (20202), which is used to control the movable door panel (202) to move up and down.

4. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 1, characterized in that: The tray (6) is provided with a plurality of cross bars (601), and a second driving motor (603) is provided at the bottom of the annealing furnace (2) for driving the rotating rod (602) to drive the tray (6) to rotate.

5. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 1, characterized in that: The front end of the annealing furnace (2) is provided with an opening (204), the inner wall of the annealing furnace (2) is provided with a third slide groove (205), and the upper and lower ends of the third slide groove (205) are provided with a fourth slide groove (206).

6. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 5, characterized in that: The heating plate group (5) is composed of four plate twos (501), the rear ends of the plate twos (501) are fixedly connected to the connecting seat (502), the rear ends of the connecting seat (502) are movably connected to the rocker two (503), the rear ends of the rocker two (503) are movably connected to the rocker three (504), and one side of the rocker three (504) is movably connected to the moving rod (505), and each is movably connected to the slide groove three (205).

7. The annealing furnace with uniform internal circulation temperature for annealing glass products according to claim 6, characterized in that: The rear ends of the moving rods (505) are all provided with sliders four (506), and are all movably connected to the slide groove four (206), and the upper and lower ends of the sliders four (506) are movably connected to the electric roller two (507).

8. The operating method of the annealing furnace with uniform internal circulation temperature for annealing glass products according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: The glass product to be annealed is delivered to the opening (204) of the annealing furnace (2) via the conveying platform (3) based on the rocker 1 (4). At this time, the movable door panel (202) located at the opening (204) opens upward along the slide 2 (203), and the conveying platform (3) delivers the glass product to the tray (6) in the base (1); Step 2: Close the movable door panel (202) and start the heating annealing operation. During heating, the tray (6) holding the glassware can rotate at a constant speed in the process, and the heating plate group (5) located in the annealing furnace (2) can rotate along the chute three (205) and the chute four (206) during heating, and the position of each plate two (501) can be moved as needed to achieve a uniform temperature. Step 3: After heating for a certain period of time, the glassware in the base (1) is cooled by the condensation component (201) and then taken out.

Citation Information

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