Atmosphere furnace

Abstract

The atmosphere furnace comprises a furnace body, a cover body is fixedly connected to one end of the furnace body, an air inlet pipe set is fixedly connected to the cover body, an opening body is machined in the cover body, a first plate body is connected to the opening body in a sliding mode, a second plate body is attached to one end of the first plate body, and the second plate body is fixedly connected to the furnace body. The stud is used for driving the threaded sleeve and the first plate body to ascend and descend, so that the multiple sets of through holes in the first plate body and the multiple sets of through holes in the second plate body are not correspondingly placed, the first plate body can be used for blocking the through holes in the second plate body, heat dissipation can be reduced, gas can be conveniently inflated into the furnace body, and the service life of the furnace body is prolonged. The gas can quickly and uniformly flow into the furnace body through a plurality of groups of through holes by utilizing the connection of the through holes in the first plate body and the second plate body while a certain sealing property is ensured, so that the uniform diffusion time of the gas can be shortened, and the treatment efficiency of the gas on a sample in the furnace body is ensured to a certain extent.

Description

Technical Field

[0001] The utility model relates to the technical field related to atmosphere furnaces, in particular to an atmosphere furnace. Background Art

[0002] The working principle of the atmosphere furnace is to place the sample at high temperature through a heating device, and at the same time add specific atmosphere gases, such as oxygen, nitrogen, hydrogen, inert gas, etc., to control the chemical reaction and physical changes of the sample.

[0003] There is an existing atmosphere furnace (application number: 202320017520.8) which replaces the insulation method of stacking furnace door bricks in the prior art by arranging a rotating sealing component in the metal furnace body. On the one hand, it realizes the insulation and sealing of the heating part, protects the metal furnace body, and reduces heat dissipation. On the other hand, it is convenient to fill gas into it to ensure a certain degree of sealing, thereby ensuring the protection or penetration of the gas to the sintered material. It is easy to operate during use and can be used continuously. The operator does not need to have practical experience in stacking, which makes it convenient to operate the equipment. It not only reduces the heat energy and gas dissipation during the heating process, but also simplifies the use steps of the atmosphere furnace. The above-mentioned problem still exists. Although the cooperation of the fixed inner ring and the movable outer ring can control the entry and sealing of the gas, if the gas is evenly diffused into the furnace, it is necessary to expand at the fixed inner ring and the movable outer ring for a certain period of time before it can be evenly diffused in the furnace, which may affect the gas processing efficiency of the sample. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an atmosphere furnace.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An atmosphere furnace comprises a furnace body, a cover body is fixedly connected to one end of the furnace body, an air intake pipe group is fixedly connected to the cover body, a mouth body is processed on the cover body, a first plate body is slidably connected to the mouth body, a second plate body is attached to one end of the first plate body, the second plate body is fixedly connected to the furnace body, multiple groups of through holes are processed on the first plate body and the second plate body, two rows of multiple groups of through holes are interconnected, a threaded sleeve is fixedly connected to the first plate body, a stud is threadedly connected to the inner wall of the threaded sleeve, the stud is rotatably connected to the cover body through a bearing, and a handle is fixedly connected to the stud.

[0007] Preferably, two groups of guide rails are fixedly connected to the furnace body, and a door body is slidably connected between the two groups of guide rails. Two groups of holes are processed on the two groups of guide rails, and the inner walls of the two groups of holes are gap-fitted with plug rods. The two groups of plug rods are fixed to the rod body, and the rod body is slidably connected to two groups of round rods, and the two groups of round rods are fixed to the door body. Two groups of columns are attached to the bottom end of the door body, and the two groups of columns are fixed to the furnace body.

[0008] Preferably, a rubber strip is fixedly connected at the joint between the mouth body and the first plate body.

[0009] Preferably, bases are fixedly connected to the four corners of the bottom end of the furnace body.

[0010] Preferably, a pressure gauge and a temperature gauge are installed on the door body.

[0011] Preferably, a handle is fixedly connected to the rod body.

[0012] Preferably, springs are gap-fitted on the outer walls of the two groups of round rods, one end of the two groups of springs are fixedly connected to the rod body, and the other ends of the two groups of springs are respectively fixedly connected to the corresponding round rods.

[0013] The beneficial effects of the utility model are:

[0014] 1. Through the cooperation among the cover body, the air inlet pipe group, the mouth body, the first plate body, the second plate body, the through hole, the threaded sleeve and the stud, the threaded sleeve and the first plate body are driven to move up and down by the stud, so that the multiple groups of through holes on the first plate body and the multiple groups of through holes on the second plate body can be cancelled correspondingly placed, and then the through holes at the second plate body can be blocked by the first plate body, which can reduce heat dissipation and facilitate the filling of gas into the furnace body. While ensuring a certain sealing performance, the through holes at the first plate body and the second plate body can be connected to each other, and the gas can be quickly and evenly flowed into the furnace body through the multiple groups of through holes, which can shorten the time for uniform diffusion of the gas and ensure the gas processing efficiency of the sample in the furnace body to a certain extent;

[0015] 2. Through the coordination among the guide rail, door body, hole body, plug rod and rod body, the handle is used to drive the plug rod to pull out the corresponding hole body, and cooperate with the gap of the hole body placed above, so that the door body can be lifted and fixed. Compared with turning to one side to open, it can reduce space occupation and obstruction, and facilitate better observation of the processing effect of the sample in the furnace body. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a structural schematic diagram of an atmosphere furnace proposed by the utility model;

[0017] Figure 2 for Figure 1 A schematic diagram of the structure of the first plate body, the second plate body and the through hole;

[0018] Figure 3 for Figure 1 A schematic diagram of the structure of the middle cover body and the air intake pipe group;

[0019] Figure 4 for Figure 1 Schematic diagram of the structure of the middle door body, the plug rod and the rod body;

[0020] Figure 5 for Figure 1 Schematic diagram of the structure of the middle guide rail, door body and hole body.

[0021] In the figure: 1. furnace body; 2. cover body; 3. air inlet pipe group; 4. mouth body; 5. first plate body; 6. second plate body; 7. through hole; 8. threaded sleeve; 9. stud; 10. guide rail; 11. door body; 12. hole body; 13. plug rod; 14. rod body; 15. round rod; 16. spring; 17. column; 18. rubber strip; 19. base; 20. handle; 21. pressure gauge; 22. temperature gauge; 23. handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Example 1, reference Figures 1 to 5 An atmosphere furnace comprises a furnace body 1, a cover body 2 is fixedly connected to one end of the furnace body 1, an air inlet pipe group 3 is fixedly connected to the cover body 2, the air inlet pipe group 3 is used to be connected to an external gas delivery device, a mouth body 4 is processed on the cover body 2, a first plate body 5 is slidably connected to the mouth body 4, the first plate body 5 can be lifted and slid at the mouth body 4, a second plate body 6 is attached to one end of the first plate body 5, the second plate body 6 is fixed to the furnace body 1, multiple groups of through holes 7 are processed on the first plate body 5 and the second plate body 6, the through holes 7 are used to form multiple groups of fine airflows of gas and evenly diffuse them into the furnace body 1, and two rows of multiple groups of through holes 7 are interconnected in pairs, A threaded sleeve 8 is fixedly connected to the first plate body 5, and a stud 9 is connected to the inner wall of the threaded sleeve 8 through a thread. The stud 9 can drive the threaded sleeve 8 and the first plate body 5 to move up and down. The stud 9 is rotatably connected to the cover body 2 through a bearing. A handle 20 is fixedly connected to the stud 9, and the handle 20 is used to drive the stud 9 to rotate. By using the handle 20 to drive the stud 9 to rotate, the through hole 7 at the first plate body 5 can be controlled to be connected with the through hole 7 at the second plate body 6, and then when the gas passes through the multiple groups of through holes 7, multiple groups of fine airflows will be formed to flow into the furnace body 1, which can ensure that the gas is quickly and evenly diffused into the furnace body 1 and can be evenly contacted with the sample.

[0024] In this embodiment, two groups of guide rails 10 are fixedly connected to the furnace body 1, and a door body 11 is slidably connected between the two groups of guide rails 10. The door body 11 can be lifted and slid at the two groups of guide rails 10, and then can be opened or closed. Two groups of hole bodies 12 are processed on the two groups of guide rails 10, and the inner walls of the two groups of hole bodies 12 are gap-matched with plug rods 13. The two groups of plug rods 13 are fixed to the rod body 14, and the rod body 14 can drive the two groups of plug rods 13 to move laterally. The door body 11 can be fixed by using the gap between the plug rods 13 and the hole body 12. The rod body 14 is slidably connected to the two groups of round rods 15, and the two groups of round rods 15 are fixed to the door body 11. Two groups of columns 17 are attached to the bottom end of the door body 11. The columns 17 are used to limit the further downward movement of the door body 11 to ensure that the door body 11 is closed after closing. In order to ensure the placement stability, two groups of columns 17 are fixed to the furnace body 1, and a rubber strip 18 is fixed at the joint between the mouth body 4 and the first plate body 5. The rubber strip 18 is used to seal the first plate body 5 and the mouth body 4 to prevent gas leakage between the two. A base 19 is fixed to the four corners of the bottom end of the furnace body 1, and a pressure gauge 21 and a thermometer 22 are installed on the door body 11. The pressure gauge 21 and the thermometer 22 are used to detect the stability and pressure inside the furnace body 1 when it is working. A handle 23 is fixed to the rod body 14, and springs 16 are gap-fitted on the outer walls of the two groups of round rods 15. The springs 16 give the rod body 14 a force to drive the insertion rod 13 to fit the gap with the corresponding hole body 12. One end of the two groups of springs 16 are fixed to the rod body 14, and the other ends of the two groups of springs 16 are respectively fixed to the corresponding round rods 15.

[0025] The working principle of this embodiment is as follows: when in use, the handle 23 is used to drive the insertion rod 13 to be pulled out of the lower hole 12, and the handle 23 is moved upward, and the handle 23 can drive the door body 11 to move upward between the two sets of guide rails 10. After moving upward to a certain height, the insertion rod 13 is inserted into the hole 12 located above the furnace body 1, and the door body 11 can be opened and fixed. At this time, the sample is placed in the furnace body 1, and the door body 11 is moved down again to reset and place it, and the sample is placed. After placement, the external gas delivery device is connected to the air intake pipe group 3, and the gas can be injected into the cover body through the guide of the air intake pipe group 3 2, and enter the furnace body 1 at the through hole 7 interconnected at the first plate body 5 and the second plate body 6, quickly and evenly distributed in the furnace body 1, and fully contact with the sample to process the sample. When the gas is transported, the handle 20 drives the stud 9 to rotate, and the stud 9 can drive the first plate body 5 to move downward, and the first plate body 5 can drive the corresponding through hole 7 to cancel the connection with the through hole 7 at the second plate body 6, so that the first plate body 5 can block the through hole 7 at the second plate body 6, thereby preventing the heat or gas in the furnace body 1 from being lost at the first plate body 5 and the second plate body 6.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An atmosphere furnace, comprising a furnace body (1), It is characterized in that One end of the furnace body (1) is fixedly connected to a cover body (2), an air intake pipe group (3) is fixedly connected to the cover body (2), a mouth body (4) is processed on the cover body (2), a first plate body (5) is slidably connected to the mouth body (4), a second plate body (6) is attached to one end of the first plate body (5), the second plate body (6) is fixedly connected to the furnace body (1), a plurality of groups of through holes (7) are processed on the first plate body (5) and the second plate body (6), two rows of the plurality of groups of through holes (7) are interconnected, a threaded sleeve (8) is fixedly connected to the first plate body (5), a stud (9) is threadedly connected to the inner wall of the threaded sleeve (8), the stud (9) is rotatably connected to the cover body (2) via a bearing, and a handle (20) is fixedly connected to the stud (9).

2. An atmosphere furnace according to claim 1, It is characterized in that Two groups of guide rails (10) are fixedly connected to the furnace body (1), and a door body (11) is slidably connected between the two groups of guide rails (10). Two groups of holes (12) are processed on the two groups of guide rails (10), and the inner walls of the two groups of holes (12) are gap-fitted with plug rods (13). The two groups of plug rods (13) are fixedly connected to the rod body (14), and the rod body (14) is slidably connected to two groups of round rods (15). The two groups of round rods (15) are fixedly connected to the door body (11). Two groups of columns (17) are attached to the bottom end of the door body (11), and the two groups of columns (17) are fixedly connected to the furnace body (1).

3. An atmosphere furnace according to claim 1, It is characterized in that A rubber strip (18) is fixedly connected at the joint between the mouth body (4) and the first plate body (5).

4. An atmosphere furnace according to claim 1, It is characterized in that Bases (19) are fixedly connected to the four corners of the bottom end of the furnace body (1).

5. An atmosphere furnace according to claim 2, It is characterized in that A pressure gauge (21) and a temperature gauge (22) are installed on the door body (11).

6. An atmosphere furnace according to claim 2, It is characterized in that A handle (23) is fixedly connected to the rod body (14).

7. An atmosphere furnace according to claim 2, It is characterized in that The outer walls of the two groups of round rods (15) are both gap-fitted with springs (16); one end of the two groups of springs (16) is fixedly connected to the rod body (14); and the other ends of the two groups of springs (16) are respectively fixedly connected to the corresponding round rods (15).

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