Vacuum tube furnace

By using efficient insulation materials and thermal insulation screens in vacuum tube furnaces, the problems of uneven temperature and insufficient sealing are solved, uniform heating and airtightness of the temperature in the furnace are achieved, the service life of the heating element is extended and the work is improved efficiency.

CN222279317UActive Publication Date: 2024-12-31HEFEI RISINE HEATEK
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Patent Information

Application Number
CN202421146909.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-24
Publication Date
2024-12-31
Estimated Expiration
2034-05-24

AI Technical Summary

Technical Problem

The internal temperature of the existing vacuum tube furnace is uneven and the sealing is insufficient, which affects the service life and working efficiency.

Method used

The furnace tube and thermal insulation screen are used with high-efficiency insulation materials. The thermal insulation screen is located between the heating element and the furnace tube. It transfers heat through radiation to ensure uniform temperature distribution. A vacuum flange is installed on the furnace tube to control the vacuum degree and increase the gas. Concentration.

Benefits of technology

It achieves uniform distribution of temperature in the furnace, extends the service life of the heating element, and improves the sealing and working efficiency of the vacuum tube furnace.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222279317U_ABST
Patent Text Reader

Abstract

The utility model discloses a vacuum tube furnace, which relates to the technical field of vacuum tube furnaces and comprises a support component, a main body component and an internal component. The supporting assembly comprises a fixing frame, a monitor is arranged on the outer surface wall of the fixing frame, and two fixing bases are installed on the outer surface wall of the fixing frame; the main body assembly comprises a furnace shell, a plurality of movable hinges are arranged on one side of the furnace shell, the internal assembly comprises a furnace tube, a heat insulation screen is arranged on the outer surface wall of the furnace tube, a resistance wire is arranged on the outer surface wall of the heat insulation screen, and a thermocouple is arranged on the outer surface wall of the furnace tube. The heating element and the heat shield enable the vacuum tube furnace to achieve uniform distribution of temperature in the furnace, materials can be uniformly heated in the heat treatment process, the heat shield is located between the heating element and the furnace tube, direct contact is prevented, it is guaranteed that heat is uniformly transmitted to the furnace tube in a radiation mode and the like, and meanwhile the heating element is protected.
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Description

Technical Field

[0001] The utility model relates to the technical field of vacuum tube furnaces, in particular to a vacuum tube furnace. Background Art

[0002] Vacuum tube furnace technology covers research results and technological advances in many fields such as vacuum science, high temperature material science, electric heating technology, heat treatment process theory, automation control technology and industry standards. These comprehensive factors have jointly promoted the development of vacuum tube furnaces from concept to mature application.

[0003] However, in the prior art, the temperature inside the existing vacuum furnace is not uniform, which results in different processing degrees between materials at different positions. In addition, insufficient sealing will affect the airtightness inside the vacuum tube, and the direct contact between the furnace tube and the heating element will affect the service life, resulting in a decrease in work efficiency. Utility Model Content

[0004] The utility model aims to solve the problems existing in the above-mentioned prior art and proposes a vacuum tube furnace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a vacuum tube furnace, comprising a support component, a main body component and an internal component; the support component comprises a fixed frame, a monitor is arranged on the outer wall of the fixed frame, and two fixed seats are installed on the outer wall of the fixed frame; the main body component comprises a furnace shell, a plurality of movable hinges are arranged on one side of the furnace shell, a movable cover is arranged on one side of the plurality of movable hinges, a movable buckle is arranged on the outer wall of the movable cover, a fixed block is installed on the outer wall of the furnace shell, an air inlet pipe is arranged on one side of the furnace shell, an air outlet pipe is arranged on one side of the furnace shell, a valve switch is arranged on one side of the air outlet pipe, an air outlet pipe is arranged on one side of the furnace shell, a connecting pipe is arranged on one side of the furnace shell, a pad is arranged on one side of the furnace shell, a vacuum flange is arranged on the outer wall of the connecting pipe, and a vacuum pump is arranged on one side of the connecting pipe; the internal component comprises a furnace tube, a heat insulation screen is arranged on the outer wall of the furnace tube, a resistance wire is arranged on the outer wall of the heat insulation screen, and a thermocouple is arranged on the outer wall of the furnace tube.

[0006] Preferably, the monitor is electrically connected to the fixing frame, the two fixing seats are fixedly mounted to the fixing frame, and the plurality of movable hinges are fixedly mounted to the furnace shell.

[0007] Preferably, the movable cover is rotatably connected to the furnace shell, the movable buckle is fixedly installed on the movable cover, and the fixed block is sleeve-connected to the movable cover.

[0008] Preferably, the air inlet pipe is connected to the interior of the furnace shell, the air outlet pipe is connected to the interior of the furnace shell, and the valve switch is movably connected to the air outlet pipe.

[0009] Preferably, the air outlet pipe is connected to the interior of the furnace shell, the air outlet pipe is connected to the interior of the gas outlet pipe, the connecting pipe is connected to the interior of the furnace shell, and the vacuum flange is connected to the connecting pipe sleeve.

[0010] Preferably, the backing plate is fittedly connected to the vacuum pump, the heat insulation screen is connected to the furnace tube sleeve, the resistance wire is connected to the heat insulation screen sleeve, and the thermocouple is fixedly connected to the furnace tube.

[0011] Preferably, the furnace tube is connected to the furnace shell sleeve, the connecting pipe is communicated with the interior of the furnace tube, the thermocouple is electrically connected to the monitor, and the fixing frame is connected to the furnace shell sleeve.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. In the utility model, the furnace tube is made of high-efficiency thermal insulation material. The heating element and the heat insulation screen enable the vacuum tube furnace to achieve uniform temperature distribution in the furnace, which is beneficial to uniform heating of the material during the heat treatment process. The heat insulation screen is located between the heating element and the furnace tube to prevent direct contact, ensure that the heat is evenly transferred to the furnace tube by radiation and the like, and protect the heating element at the same time.

[0014] 2. In the utility model, a vacuum flange is provided on the furnace tube for connecting a vacuum pump to realize the control of the vacuum degree in the furnace chamber, and the sealing performance is sufficient to ensure the airtightness between the furnace tube and the vacuum flange. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The utility model provides a schematic diagram of the overall structure of a vacuum tube furnace;

[0016] Figure 2 A structural schematic diagram of a supporting assembly of a vacuum tube furnace is provided for the utility model;

[0017] Figure 3 A schematic structural diagram of a main component of a vacuum tube furnace is provided for the utility model;

[0018] Figure 4 The utility model provides a structural schematic diagram of the internal components of a vacuum tube furnace.

[0019] Legend: 1. Support assembly; 101. Fixing frame; 102. Monitor; 103. Fixing seat; 2. Main assembly; 201. Furnace shell; 202. Movable hinge; 203. Movable cover; 204. Movable buckle; 205. Fixing block; 206. Air inlet pipe; 207. Air outlet pipe; 208. Valve switch; 209. Air outlet pipe; 210. Connecting pipe; 211. Pad; 212. Vacuum flange; 213. Vacuum pump; 3. Internal assembly; 301. Furnace tube; 302. Heat insulation screen; 303. Resistance wire; 304. Thermocouple. DETAILED DESCRIPTION

[0020] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0021] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0022] Embodiment 1, as Figure 1-Figure 4 As shown, the utility model provides a vacuum tube furnace, including a support component 1, a main body component 2 and an internal component 3; the support component 1 includes a fixing frame 101, a monitor 102 is arranged on the outer wall of the fixing frame 101, and two fixing seats 103 are installed on the outer wall of the fixing frame 101; the main body component 2 includes a furnace shell 201, a plurality of movable hinges 202 are arranged on one side of the furnace shell 201, a movable cover 203 is arranged on one side of the plurality of movable hinges 202, a movable buckle 204 is arranged on the outer wall of the movable cover 203, a fixing block 205 is installed on the outer wall of the furnace shell 201, and an air inlet is arranged on one side of the furnace shell 201 Tube 206, an air outlet pipe 207 is arranged on one side of the furnace shell 201, a valve switch 208 is arranged on one side of the air outlet pipe 207, an air outlet pipe 209 is arranged on one side of the furnace shell 201, a connecting pipe 210 is arranged on one side of the furnace shell 201, a pad 211 is arranged on one side of the furnace shell 201, a vacuum flange 212 is arranged on the outer wall of the connecting pipe 210, and a vacuum pump 213 is arranged on one side of the connecting pipe 210; the internal component 3 includes a furnace tube 301, a heat insulation screen 302 is arranged on the outer wall of the furnace tube 301, a resistance wire 303 is arranged on the outer wall of the heat insulation screen 302, and a thermocouple 304 is arranged on the outer wall of the furnace tube 301.

[0023] The effect achieved by the entire embodiment 1 is that a monitor 102 is arranged on the outer wall of the fixing frame 101, two fixing seats 103 are installed on the outer wall of the fixing frame 101, a plurality of movable hinges 202 are arranged on one side of the furnace shell 201, a movable cover 203 is arranged on one side of the plurality of movable hinges 202, a movable buckle 204 is arranged on the outer wall of the movable cover 203, a fixing block 205 is installed on the outer wall of the furnace shell 201, an air inlet pipe 206 is arranged on one side of the furnace shell 201, an air outlet pipe 207 is arranged on one side of the furnace shell 201, a valve switch 208 is arranged on one side of the air outlet pipe 207, an air outlet pipe 209 is arranged on one side of the furnace shell 201, a connecting pipe 210 is arranged on one side of the furnace shell 201, and the furnace shell 201 is provided with a plurality of movable hinges 202. A pad 211 is arranged on one side, a vacuum flange 212 is arranged on the outer wall of the connecting pipe 210, a vacuum pump 213 is arranged on one side of the connecting pipe 210, a heat insulation screen 302 is arranged on the outer wall of the furnace pipe 301, a resistance wire 303 is arranged on the outer wall of the heat insulation screen 302, a thermocouple 304 is arranged on the outer wall of the furnace pipe 301, the furnace pipe 301 is made of high-efficiency thermal insulation material, the heating element and the heat insulation screen 302 enable the vacuum tube furnace to achieve uniform temperature distribution in the furnace, which is beneficial to uniform heating of the material during the heat treatment process, and the heat insulation screen 302 is located between the heating element and the furnace pipe 301 to prevent direct contact, ensure that heat is evenly transferred to the furnace pipe 301 by radiation and the like, and protect the heating element at the same time.

[0024] Embodiment 2, as Figure 1-Figure 4 As shown, the monitor 102 is electrically connected to the fixing frame 101, two fixing seats 103 are fixedly installed on the fixing frame 101, a plurality of movable hinges 202 are fixedly installed on the furnace shell 201, the movable cover 203 is rotatably connected to the furnace shell 201, the movable buckle 204 is fixedly installed on the movable cover 203, the fixing block 205 is sleeve-connected to the movable cover 203, the air inlet pipe 206 is connected to the interior of the furnace shell 201, the air outlet pipe 207 is connected to the interior of the furnace shell 201, the valve switch 208 is movably connected to the air outlet pipe 207, the air outlet pipe 209 is connected to the interior of the furnace shell 201, and the air outlet pipe 209 is connected with the interior of the gas outlet pipe 207, the connecting pipe 210 is connected with the interior of the furnace shell 201, the vacuum flange 212 is sleeved and connected with the connecting pipe 210, the pad 211 is fit-connected with the vacuum pump 213, the heat insulation screen 302 is sleeved and connected with the furnace pipe 301, the resistance wire 303 is sleeved and connected with the heat insulation screen 302, the thermocouple 304 is fixedly connected with the furnace pipe 301, the furnace pipe 301 is sleeved and connected with the furnace shell 201, the connecting pipe 210 is connected with the interior of the furnace pipe 301, the thermocouple 304 is electrically connected with the monitor 102, and the fixing frame 101 is sleeved and connected with the furnace shell 201.

[0025] The effect achieved by the entire embodiment 2 is that the monitor 102 is electrically connected to the fixing frame 101, the two fixing seats 103 are fixedly installed on the fixing frame 101, the multiple movable hinges 202 are fixedly installed on the furnace shell 201, the movable cover 203 is rotatably connected to the furnace shell 201, the movable buckle 204 is fixedly installed on the movable cover 203, the fixing block 205 is sleeve-connected to the movable cover 203, the air inlet pipe 206 is connected to the interior of the furnace shell 201, the air outlet pipe 207 is connected to the interior of the furnace shell 201, the valve switch 208 is movably connected to the air outlet pipe 207, the air outlet pipe 209 is connected to the interior of the furnace shell 201, the air outlet pipe 209 is connected to the interior of the air outlet pipe 207, and the connecting pipe 210 is connected to the furnace shell 20 1 is connected inside, the vacuum flange 212 is sleeved and connected with the connecting pipe 210, the pad 211 is fitted and connected with the vacuum pump 213, the heat insulation screen 302 is sleeved and connected with the furnace pipe 301, the resistance wire 303 is sleeved and connected with the heat insulation screen 302, the thermocouple 304 is fixedly connected with the furnace pipe 301, the furnace pipe 301 is sleeved and connected with the furnace shell 201, the connecting pipe 210 is connected with the inside of the furnace pipe 301, the thermocouple 304 is electrically connected with the monitor 102, the fixing frame 101 is sleeved and connected with the furnace shell 201, and a vacuum flange 212 is provided on the furnace pipe 301 for connecting the vacuum pump 213 to realize the control of the vacuum degree in the furnace chamber, and the sealing is sufficient to ensure the airtightness between the furnace pipe 301 and the vacuum flange 212.

[0026] Working principle: a monitor 102 is arranged on the outer wall of the fixing frame 101, two fixing seats 103 are installed on the outer wall of the fixing frame 101, a plurality of movable hinges 202 are arranged on one side of the furnace shell 201, a movable cover 203 is arranged on one side of the plurality of movable hinges 202, a movable buckle 204 is arranged on the outer wall of the movable cover 203, a fixing block 205 is installed on the outer wall of the furnace shell 201, an air inlet pipe 206 is arranged on one side of the furnace shell 201, an air outlet pipe 207 is arranged on one side of the furnace shell 201, a valve switch 208 is arranged on one side of the air outlet pipe 207, an air outlet pipe 209 is arranged on one side of the furnace shell 201, a connecting pipe 210 is arranged on one side of the furnace shell 201, and a pad 204 is arranged on one side of the furnace shell 201 11. A vacuum flange 212 is provided on the outer wall of the connecting pipe 210, a vacuum pump 213 is provided on one side of the connecting pipe 210, a heat shield 302 is provided on the outer wall of the furnace tube 301, a resistance wire 303 is provided on the outer wall of the heat shield 302, a thermocouple 304 is provided on the outer wall of the furnace tube 301, the furnace tube 301 is made of high-efficiency thermal insulation materials, the heating element and the heat shield 302 enable the vacuum tube furnace to achieve uniform temperature distribution in the furnace, which is beneficial to uniform heating of the material during the heat treatment process, the heat shield 302 is located between the heating element and the furnace tube 301 to prevent direct contact, ensure that heat is evenly transferred to the furnace tube 301 by radiation and the like, and protect the heating element at the same time, the monitor 1 02 is electrically connected to the fixing frame 101, two fixing seats 103 are fixedly installed with the fixing frame 101, a plurality of movable hinges 202 are fixedly installed with the furnace shell 201, the movable cover 203 is rotatably connected with the furnace shell 201, the movable buckle 204 is fixedly installed with the movable cover 203, the fixing block 205 is sleeve-connected with the movable cover 203, the air inlet pipe 206 is connected with the interior of the furnace shell 201, the air outlet pipe 207 is connected with the interior of the furnace shell 201, the valve switch 208 is movably connected with the air outlet pipe 207, the air outlet pipe 209 is connected with the interior of the furnace shell 201, the air outlet pipe 209 is connected with the interior of the air outlet pipe 207, the connecting pipe 210 is connected with the interior of the furnace shell 201, and the vacuum The flange 212 is sleeve-connected to the connecting pipe 210, the pad 211 is fitted and connected to the vacuum pump 213, the heat insulation screen 302 is sleeve-connected to the furnace pipe 301, the resistance wire 303 is sleeve-connected to the heat insulation screen 302, the thermocouple 304 is fixedly connected to the furnace pipe 301, the furnace pipe 301 is sleeve-connected to the furnace shell 201, the connecting pipe 210 is communicated with the inside of the furnace pipe 301, the thermocouple 304 is electrically connected to the monitor 102, the fixing frame 101 is sleeve-connected to the furnace shell 201, and a vacuum flange 212 is provided on the furnace pipe 301 for connecting the vacuum pump 213 to realize the control of the vacuum degree in the furnace chamber, and the sealing is sufficient to ensure the airtightness between the furnace pipe 301 and the vacuum flange 212.

[0027] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A vacuum tube furnace, characterized in that: It comprises a support component (1), a main body component (2) and an internal component (3); The support assembly (1) comprises a fixing frame (101), a monitor (102) is arranged on the outer wall of the fixing frame (101), and two fixing seats (103) are installed on the outer wall of the fixing frame (101); The main body component (2) comprises a furnace shell (201); a plurality of movable hinges (202) are arranged on one side of the furnace shell (201); a movable cover (203) is arranged on one side of the plurality of movable hinges (202); a movable buckle (204) is arranged on the outer wall of the movable cover (203); a fixing block (205) is installed on the outer wall of the furnace shell (201); an air inlet pipe (206) is arranged on one side of the furnace shell (201); an air outlet pipe (207) is arranged on one side of the furnace shell (201); a valve switch (208) is arranged on one side of the air outlet pipe (207); an air outlet pipe (209) is arranged on one side of the furnace shell (201); a connecting pipe (210) is arranged on one side of the furnace shell (201); a pad (211) is arranged on one side of the furnace shell (201); a vacuum flange (212) is arranged on the outer wall of the connecting pipe (210); and a vacuum pump (213) is arranged on one side of the connecting pipe (210); The internal component (3) comprises a furnace tube (301), a heat shield (302) is arranged on the outer wall of the furnace tube (301), a resistance wire (303) is arranged on the outer wall of the heat shield (302), and a thermocouple (304) is arranged on the outer wall of the furnace tube (301).

2. A vacuum tube furnace according to claim 1, characterized in that: The monitor (102) is electrically connected to the fixing frame (101), the two fixing seats (103) are fixedly mounted on the fixing frame (101), and the plurality of movable hinges (202) are fixedly mounted on the furnace shell (201).

3. A vacuum tube furnace according to claim 1, characterized in that: The movable cover (203) is rotatably connected to the furnace shell (201), the movable buckle (204) is fixedly installed on the movable cover (203), and the fixed block (205) is sleeve-connected to the movable cover (203).

4. A vacuum tube furnace according to claim 1, characterized in that: The air inlet pipe (206) is connected to the interior of the furnace shell (201), the air outlet pipe (207) is connected to the interior of the furnace shell (201), and the valve switch (208) is movably connected to the air outlet pipe (207).

5. The vacuum tube furnace according to claim 1, characterized in that: The air outlet pipe (209) is connected to the interior of the furnace shell (201), the air outlet pipe (209) is connected to the interior of the gas outlet pipe (207), the connecting pipe (210) is connected to the interior of the furnace shell (201), and the vacuum flange (212) is sleeve-connected to the connecting pipe (210).

6. A vacuum tube furnace according to claim 1, characterized in that: The pad (211) is fittedly connected to the vacuum pump (213), the heat insulation screen (302) is sleeved and connected to the furnace tube (301), the resistance wire (303) is sleeved and connected to the heat insulation screen (302), and the thermocouple (304) is fixedly connected to the furnace tube (301).

7. A vacuum tube furnace according to claim 1, characterized in that: The furnace tube (301) is sleeve-connected to the furnace shell (201), the connecting tube (210) is connected to the inside of the furnace tube (301), the thermocouple (304) is electrically connected to the monitor (102), and the fixing frame (101) is sleeve-connected to the furnace shell (201).