Sealing structure of ceramic kiln

Abstract

The utility model discloses a sealing structure of a ceramic kiln, which comprises a mounting rack and a kiln, a sealed cabin is sleeved outside the kiln, an adjusting cabin and a protective cabin are sleeved outside the sealed cabin, the protective cabin is fixedly connected with the mounting rack, and cavities are respectively formed between the sealed cabin and the adjusting cabin and between the sealed cabin and the protective cabin. First air outlet holes are formed in the sealed cabin, the number of the first air outlet holes is four, the four first air outlet holes are annularly distributed, and the adjusting bin, the first air outlet holes and the second air outlet holes are arranged, so that the adjusting bin is moved when the temperature in the kiln rises; according to the air pressure balance adjusting device, expanded air in the sealed cabin enters a cavity between the adjusting cabin and the sealed cabin through the first air outlet, air pressure balance adjustment of the sealed cabin is achieved, and the situation that the sealing performance of the sealed cabin is reduced due to continuous rising temperature is avoided; and air pressure balance protection is carried out on the high-temperature gas in the adjusting bin and the cavity.

Description

Technical Field

[0001] The utility model relates to the technical field of kiln sealing structures, in particular to a sealing structure of a ceramic kiln. Background Art

[0002] Two important factors that affect the quality of porcelain during the firing process are the temperature and atmosphere in the kiln. Different kiln atmospheres need to be created for ceramic firing at different temperatures. Similarly, the sealing structure used in the kiln during the ceramic processing process also has a significant impact on the ceramic yield.

[0003] The kiln sealing structure plays a vital role in the insulation of the kiln and the balance of the internal air pressure during the use of the kiln. However, the existing sealing structure expands due to the increase in temperature inside the kiln during use, thereby affecting its sealing effect and the air pressure balance of the sealing structure, and in severe cases, the sealing structure may be damaged. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing structure for a ceramic kiln to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing structure of a ceramic kiln, comprising a mounting frame and a kiln, a sealed cabin connected to the outside of the kiln, an adjusting chamber and a protective cabin connected to the outside of the sealed cabin, the protective cabin being fixedly connected to the mounting frame, a cavity being formed between the sealed cabin and the adjusting chamber and the protective cabin respectively, a first air outlet being opened on the sealed cabin, the number of the first air outlet being set to four groups, and the four groups of the first air outlet being distributed in a ring shape.

[0006] As a further preferred embodiment of the present technical solution, a pipe sleeve is provided on the mounting frame, and the pipe sleeve is slidably connected with the adjusting chamber, and a second air outlet is opened at the right end of the adjusting chamber. The number of the second air outlets is set to four groups, and the four groups of the second air outlets are symmetrically distributed, and the second air outlets are located inside the pipe sleeve.

[0007] As a further preferred embodiment of the present technical solution, a connecting pipe is provided between the regulating chamber and the protective chamber, connecting rings are provided at both ends of the connecting pipe, and two groups of the connecting rings are respectively fixed to the regulating chamber and the protective chamber by bolts, and the first air outlet is located below the right connecting ring.

[0008] As a further preferred embodiment of the present technical solution, a fixing frame is fixedly sleeved on the adjusting bin, a sliding groove is provided on the mounting frame, the fixing frame and the sliding groove are arranged correspondingly, the fixing frame is slidably connected to the mounting frame via the sliding groove, and a sliding rod is provided in the sliding groove.

[0009] As a further preferred embodiment of the present technical solution, the fixing frame is slidably sleeved with the sliding rod, the sliding rod is provided with a spring, the springs are provided in two groups, and the two ends of the two groups of springs are respectively fixedly connected to the fixing frame and the mounting frame.

[0010] As a further preferred embodiment of the present technical solution, a cam is provided on the mounting frame, a motor is provided under the mounting frame, the cam is rotatably connected to the mounting frame via a rotating shaft, the cam is connected to the output end of the motor via a rotating shaft, a push plate is sleeved on the adjusting bin, and the push plate and the cam are arranged correspondingly.

[0011] The utility model provides a sealing structure for a ceramic kiln, which has the following beneficial effects:

[0012] (1) The utility model provides a regulating chamber and a first air outlet and a second air outlet. When the temperature inside the kiln rises, the regulating chamber is moved, so that the gas expanded in the sealed cabin enters the cavity between the regulating chamber and the sealed cabin through the first air outlet, thereby achieving pressure balance adjustment for the sealed cabin and avoiding a decrease in the sealing performance of the sealed cabin due to the continuously rising temperature. Meanwhile, during the movement of the regulating chamber, the second air outlet on the regulating chamber is separated from the pipe sleeve, thereby providing pressure balance protection for the high-temperature gas in the regulating chamber and the cavity and avoiding oppression of the regulating chamber and the sealed cabin due to a large amount of high-temperature gas in the cavity. In addition, a protective chamber and a regulating chamber are provided outside the sealed cabin to provide multiple protections for the sealing performance of the sealed cabin.

[0013] (2) When the temperature in the sealed cabin is high and the air pressure is high, the utility model drives the cam to rotate through the motor, and the cam pushes the push plate, which drives the regulating chamber to move to the left, so that the first air outlet is separated from the right connecting ring and enters the cavity, and part of the high-temperature gas in the sealed cabin is released into the cavity. While the regulating chamber moves, the second air outlet is separated from the pipe sleeve to slowly release the gas in the cavity, thereby ensuring the air pressure balance in the regulating chamber. During the movement of the regulating chamber, the sliding rod and the spring can ensure the smooth movement of the regulating chamber. After the pressure in the sealed cabin is released, the motor is turned off to restore the regulating chamber to its original position. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the regulating bin of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the sealed cabin of the utility model;

[0017] Figure 4 It is a structural schematic diagram of the kiln of the utility model;

[0018] In the figure: 1. mounting frame; 2. kiln; 3. sealing cabin; 4. adjusting cabin; 5. protection cabin; 6. connecting pipe; 7. connecting ring; 8. push plate; 9. cam; 10. motor; 11. fixing frame; 12. slide groove; 13. slide rod; 14. spring; 15. first air outlet; 16. cavity; 17. second air outlet; 18. pipe sleeve. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0020] The utility model provides a technical solution: Figure 1 , Figure 3 and Figure 4 As shown, in the present embodiment, a sealing structure of a ceramic kiln comprises a mounting frame 1 and a kiln 2, a sealing cabin 3 is connected to the outer surface of the kiln 2, an adjusting chamber 4 and a protective chamber 5 are connected to the outer surface of the sealing cabin 3, the protective chamber 5 is fixedly connected to the mounting frame 1, a cavity 16 is formed between the sealing cabin 3 and the adjusting chamber 4 and the protective chamber 5 respectively, a first air outlet 15 is opened on the sealing cabin 3, the number of the first air outlet 15 is set in four groups, and the four groups of first air outlets 15 are distributed in an annular shape, a pipe sleeve 18 is provided on the mounting frame 1, the pipe sleeve 18 is slidably sleeved with the adjusting chamber 4, a second air outlet 17 is opened on the right end of the adjusting chamber 4, the number of the second air outlet 17 is set in four groups, and the four groups of second air outlets 17 are symmetrically distributed, and the second air outlet 17 is located in the pipe sleeve 18, a connecting pipe 6 is provided between the adjusting chamber 4 and the protective chamber 5, and connecting rings 7 are provided at both ends of the connecting pipe 6, and two groups of connecting rings 7 are fixedly installed with the adjusting chamber 4 and the protective chamber 5 respectively by bolts, and the first air outlet 15 is located below the right connecting ring 7.

[0021] By providing the regulating chamber 4 and the first air outlet 15 and the second air outlet 17, the regulating chamber 4 is moved when the temperature inside the kiln 2 rises, so that the expanded gas in the sealed cabin 3 enters the cavity 16 between the regulating chamber 4 and the sealed cabin 3 through the first air outlet, thereby achieving pressure balance adjustment for the sealed cabin 3 and avoiding the sealing performance of the sealed cabin 3 to be reduced due to the continuously rising temperature. Meanwhile, during the movement of the regulating chamber 4, the second air outlet on the regulating chamber 4 is separated from the pipe sleeve 18, and pressure balance protection is provided for the high-temperature gas in the regulating chamber 4 and the cavity 16 to avoid oppression of the regulating chamber 4 and the sealed cabin 3 due to the large amount of high-temperature gas in the cavity 16. In addition, a protective cabin 5 and the regulating chamber 4 are provided outside the sealed cabin 3 to provide multiple protections for the sealing performance of the sealed cabin 3.

[0022] like Figure 1 and Figure 2As shown, a fixing frame 11 is fixedly sleeved on the adjusting bin 4, a slide groove 12 is provided on the mounting frame 1, the fixing frame 11 and the slide groove 12 are arranged correspondingly, the fixing frame 11 is slidably connected with the mounting frame 1 through the slide groove 12, a slide rod 13 is arranged in the slide groove 12, the fixing frame 11 and the slide rod 13 are slidably sleeved, a spring 14 is arranged on the slide rod 13, the number of springs 14 is arranged in two groups, the two ends of the two groups of springs 14 are respectively fixedly connected with the fixing frame 11 and the mounting frame 1, a cam 9 is provided on the mounting frame 1, a motor 10 is provided under the mounting frame 1, the cam 9 is rotatably connected with the mounting frame 1 through a rotating shaft, the cam 9 is connected to the output end of the motor 10 through a rotating shaft, a push plate 8 is sleeved on the adjusting bin 4, and the push plate 8 and the cam 9 are arranged correspondingly.

[0023] The cam 9 is driven to rotate by the motor 10, and the cam 9 pushes the push plate 8, which drives the regulating chamber 4 to move to the left, so that the first air outlet is separated from the right connecting ring 7 and enters the cavity 16, and part of the high-temperature gas in the sealed chamber 3 is released into the cavity 16. While the regulating chamber 4 moves, the second air outlet 17 is separated from the pipe sleeve 18 to slowly release the gas in the cavity 16 to ensure the air pressure balance in the regulating chamber 4. During the movement of the regulating chamber 4, the sliding rod 13 and the spring 14 can ensure the smooth movement of the regulating chamber 4. After the sealed chamber 3 is depressurized, the motor 10 is turned off to restore the regulating chamber 4 to its original position.

[0024] The utility model provides a sealing structure of a ceramic kiln, and the specific working principle is as follows: when the temperature in the sealed cabin 3 is high and the air pressure is high, the cam 9 is driven to rotate by the motor 10, and the cam 9 pushes the push plate 8, and the push plate 8 drives the regulating chamber 4 to move to the left, so that the first air outlet is separated from the right connecting ring 7 and enters the cavity 16, and part of the high-temperature gas in the sealed cabin 3 is put into the cavity 16, so as to realize the air pressure balance adjustment of the sealed cabin 3, and avoid the sealing performance of the sealed cabin 3 from decreasing due to the continuous increase in temperature. When the regulating chamber 4 moves, the second air outlet The hole 17 is separated from the sleeve 18 to slowly release the gas in the cavity 16, and the air pressure balance protection is performed for the high-temperature gas in the regulating chamber 4 and the cavity 16 to avoid the pressure on the regulating chamber 4 and the sealed chamber 3 caused by the large amount of high-temperature gas in the cavity 16. During the movement of the regulating chamber 4, the slide bar 13 and the spring 14 can ensure the smooth movement of the regulating chamber 4. After the sealed chamber 3 is depressurized, the motor 10 is turned off to restore the regulating chamber 4 to its original position. The protective cabin 5 added outside the sealed chamber 3 and the regulating chamber 4 provide multiple protections for the sealing of the sealed chamber 3.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing structure for a ceramic kiln, comprising a mounting frame (1) and a kiln (2), characterized in that: The kiln (2) is externally connected to a sealed cabin (3), an adjusting chamber (4) and a protective cabin (5) are externally connected to the sealed cabin (3), the protective cabin (5) is fixedly connected to the mounting frame (1), a cavity (16) is formed between the sealed cabin (3) and the adjusting chamber (4) and the protective cabin (5), and the sealed cabin (3) is provided with first air outlet holes (15), the number of the first air outlet holes (15) is set to four groups, and the four groups of the first air outlet holes (15) are distributed in a ring shape.

2. The sealing structure of a ceramic kiln according to claim 1, characterized in that: The mounting frame (1) is provided with a pipe sleeve (18), the pipe sleeve (18) is slidably sleeved with the regulating chamber (4), a second air outlet hole (17) is opened at the right end of the regulating chamber (4), the number of the second air outlet holes (17) is four groups, the four groups of the second air outlet holes (17) are symmetrically distributed, and the second air outlet holes (17) are located inside the pipe sleeve (18).

3. The sealing structure of a ceramic kiln according to claim 1, characterized in that: A connecting pipe (6) is provided between the regulating chamber (4) and the protective chamber (5), connecting rings (7) are provided at both ends of the connecting pipe (6), and two groups of connecting rings (7) are respectively fixedly mounted to the regulating chamber (4) and the protective chamber (5) by bolts, and the first air outlet (15) is located below the right connecting ring (7).

4. The sealing structure of a ceramic kiln according to claim 1, characterized in that: A fixing frame (11) is fixedly sleeved on the regulating bin (4), a sliding groove (12) is provided on the mounting frame (1), the fixing frame (11) and the sliding groove (12) are arranged correspondingly, the fixing frame (11) is slidably connected to the mounting frame (1) via the sliding groove (12), and a sliding rod (13) is provided in the sliding groove (12).

5. The sealing structure of a ceramic kiln according to claim 4, characterized in that: The fixing frame (11) is slidably sleeved with the sliding rod (13), and the sliding rod (13) is provided with a spring (14). The spring (14) is provided in two groups, and the two ends of the two groups of springs (14) are respectively fixedly connected to the fixing frame (11) and the mounting frame (1).

6. The sealing structure of a ceramic kiln according to claim 1, characterized in that: A cam (9) is provided on the mounting frame (1), a motor (10) is provided below the mounting frame (1), the cam (9) is rotatably connected to the mounting frame (1) via a rotating shaft, the cam (9) is connected to an output end of the motor (10) via the rotating shaft, a push plate (8) is sleeved on the regulating chamber (4), and the push plate (8) and the cam (9) are arranged correspondingly.

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