Container-free laser heating suspension furnace cavity

Abstract

The utility model discloses a containerless laser heating suspension furnace cavity, which relates to the technical field of laser heating and comprises a suspension furnace cavity and an air suspension mechanism for suspending materials. The suspension furnace cavity consists of a furnace body with a plurality of groups of sealed windows, a chassis and a cover plate which are connected to form a sealed cavity; according to the utility model, high vacuum can be pumped, so that the purity of gas in the suspension cavity is ensured, flaky or spherical materials are allowed to be placed in a vacuum environment, and a plurality of paths of laser lenses can be mounted for high-temperature heating; meanwhile, an infrared thermometer and an observation camera are arranged for real-time temperature measurement and observation; the stable air flow provided by the air suspension mechanism can be used for heating and melting the high-temperature suspended material; the sealing cavity structure of the laser heating gas suspension furnace can meet the preparation requirements of new materials of different materials under the high-temperature condition, and research, development and application of novel ultra-high-temperature materials are achieved.

Description

Technical Field

[0001] The utility model specifically relates to the technical field of laser heating, in particular to a containerless laser heating suspension furnace cavity. Background Art

[0002] Laser Heating Gas Levitation Furnace is a device that uses laser heating to conduct ultra-high temperature containerless technology to develop high-temperature new materials. The maximum temperature can be heated to an extremely high level. It is suitable for domestic and foreign research institutions, universities and companies to develop new materials.

[0003] In order to meet the high-temperature melting requirements of metal and non-metal materials in different types of high-purity gases, the equipment needs to have the following features:

[0004] Excellent sealing system and vacuum system: ensure gas purity in high temperature environment;

[0005] Material placement mechanism: allows sheet or spherical materials to be placed in a sealed environment;

[0006] Multi-beam laser focused heating: The cavity needs to have multiple sealed windows and interfaces for fixing various lenses to achieve accurate infrared temperature testing and high-definition real-time observation;

[0007] Gas line interface and cooling water pipe interface: install the nozzle assembly and cooling system for suspended materials.

[0008] Currently, there is no ultra-high temperature laser-heated gas suspension furnace chamber on the market. The utility model is the first to create a sealed chamber that can draw a high vacuum. The chamber can be equipped with a multi-channel laser lens for high-temperature heating, an infrared thermometer and an observation camera for real-time temperature measurement and observation, and the stable airflow of the gas suspension mechanism is used to heat and melt the high-temperature suspended material. Utility Model Content

[0009] The purpose of the utility model is to provide a non-container laser heating suspension furnace cavity, which directly feeds the material into the inner side of the suspension furnace cavity through the feed rod assembly, and does not need to be stopped for placement during feeding, thereby improving efficiency, and cooperates with the upward airflow of the air suspension mechanism to lift the material so that the material is suspended inside the suspension furnace cavity, and can be equipped with a multi-channel laser lens for high-temperature heating, equipped with an infrared thermometer and an observation camera for real-time temperature measurement and observation, and utilizes the stable airflow of the air suspension mechanism to heat and melt the high-temperature suspended material. This solves the technical problems raised in the above-mentioned background technology.

[0010] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0011] A containerless laser heating suspension furnace cavity, comprising a suspension furnace cavity and an air suspension mechanism for suspending a material;

[0012] The suspension furnace cavity comprises a furnace body and a chassis, and a molecular pump connection port and a spare connection pipe are respectively arranged on the outer side of the suspension furnace cavity, and two molecular pump connection ports and two spare connection pipes are respectively arranged at intervals;

[0013] The upper part of the furnace body 21 is provided with inclined inclined mounting seats 25 in a circular array, and the interior of the inclined mounting seats 25 is connected with a sealing window 28 via a flange, and the upper part of the furnace body 21 is also provided with a temperature measuring instrument mounting seat 26 in an integrated manner;

[0014] The air suspension mechanism comprises an air hole base, and a conical groove is arranged at the end of the air hole base;

[0015] The feed rod assembly comprises a fixing seat, a manual valve and a feed pipe. The feed pipe is fixed on the cover plate through the fixing seat, and the lower part of the feed pipe extends downward into the conical groove of the air suspension mechanism. A manual valve is installed at the end of the feed pipe.

[0016] As a further technical solution of the utility model, the suspension furnace cavity is fixed on the fixed base by fasteners, and the air suspension mechanism is connected in cooperation with the center position of the fixed base.

[0017] As a further technical solution of the utility model, a plurality of mutually symmetrical supporting feet are arranged at the bottom of the fixed base, and the lower part of the air hole base extends to the bottom of the fixed base.

[0018] As a further technical solution of the utility model, an annular protrusion is provided at the end of the spare connecting pipe and the airflow connecting seat, and an end cover for sealing and a clamp for fixing the end cover are provided on the side of the annular protrusion.

[0019] As a further technical solution of the utility model, the molecular pump connection port, the inclined mounting seat and the end of the temperature measuring instrument mounting seat are integrally provided with a flange for mounting bolts.

[0020] As a further technical solution of the utility model, one side of the suspension furnace cavity is connected to the molecular pump through a molecular pump connection port, and the suspension furnace cavity is connected to a one-way valve exhaust assembly through an airflow connection seat.

[0021] As a further technical solution of the utility model, the number of the inclined mounting seat and the sealed window is seven, and an L-shaped bracket is provided on the outer side of one group of the sealed windows, and an observation camera is installed on the L-shaped bracket, and the observation camera is located at the end of the inclined mounting seat;

[0022] Two groups of sealed windows are respectively used for stirring and lighting during the operation process, two groups of sealed windows are installed with laser heater lenses for the laser heating process inside the device, and the last two groups of sealed windows are reserved.

[0023] As a further technical solution of the utility model, an air path interface and a cooling water pipe interface are installed at the bottom of the air suspension mechanism.

[0024] As a further technical solution of the utility model, the suspension furnace cavity is composed of a furnace body with multiple sets of sealed windows, a bottom plate and a cover plate, which are connected to form a sealed cavity.

[0025] Compared with the prior art, the beneficial effects of the utility model are:

[0026] The utility model forms a sealed cavity by connecting the furnace body and the chassis, which can draw a high vacuum and ensure the purity of the gas in a high temperature environment;

[0027] The utility model uses a feed rod assembly to feed the material into the inner side of the air suspension mechanism, so that the sheet or spherical material can be placed in a vacuum environment;

[0028] The utility model can install an observation camera and an infrared thermometer on the upper part of the furnace body through the cooperation between the tilting mounting seat and the thermometer mounting seat. The cavity is equipped with an infrared thermometer and a high-definition observation camera interface to ensure real-time monitoring and temperature testing. At the same time, multiple laser lens interfaces can be installed at the position of the tilting mounting seat to realize multi-beam laser focusing heating.

[0029] The utility model has a disassembly handle fixed on the cover plate, and the staff can remove the cover plate from the upper part of the furnace body to facilitate cleaning of the inner side of the furnace body, thereby improving the cleaning efficiency;

[0030] The utility model can effectively ensure stable airflow and effective cooling through the air suspension mechanism, the air path interface and the cooling water pipe interface at the bottom. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the utility model in use state.

[0032] Figure 2 It is a three-dimensional structural schematic diagram of the suspension furnace cavity in the utility model.

[0033] Figure 3 This utility model Figure 2 main view.

[0034] Figure 4 This utility model Figure 2 Top view of the .

[0035] Figure 5 This utility model Figure 1 Top view of the .

[0036] Figure 6 This utility model Figure 1 sectional view of .

[0037] In the figure:

[0038] Fixed base-1, suspension furnace cavity-2, furnace body-21, chassis-22, molecular pump connection port-23, spare connecting pipe-24, tilting mounting seat-25, thermometer mounting seat-26, airflow connecting seat-27, sealing window-28, cover plate-3, molecular pump-4, one-way valve exhaust assembly-5, observation camera-6, air suspension mechanism-7, feed rod assembly-8. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] See also Figure 1-6 , the embodiment of the utility model provides a containerless laser heating suspension furnace chamber, including a suspension furnace chamber 2 and an air suspension mechanism 7 for suspending the material;

[0041] The suspension furnace chamber 2 comprises a furnace body 21 and a bottom plate 22. A molecular pump connection port 23 and a spare connection pipe 24 are respectively arranged on the outside of the suspension furnace chamber 2, and two molecular pump connection ports 23 and two spare connection pipes 24 are respectively arranged at intervals.

[0042] The upper part of the furnace body 21 is provided with inclined inclined mounting seats 25 in a circular array, and the interior of the inclined mounting seats 25 is connected with a sealing window 28 via a flange, and the upper part of the furnace body 21 is also provided with a temperature measuring instrument mounting seat 26 in an integrated manner;

[0043] The air suspension mechanism 7 comprises an air hole base, and a conical groove is provided at the end of the air hole base;

[0044] The feed rod assembly 8 includes a fixing seat, a manual valve and a feed pipe. The feed pipe is fixed on the cover plate 3 through the fixing seat, and the lower part of the feed pipe extends downward into the conical groove of the air suspension mechanism 7. A manual valve is installed at the end of the feed pipe.

[0045] In this embodiment, the suspension furnace chamber 2 is fixed on the fixed base 1 by fasteners, and the air suspension mechanism 7 is connected to the center position of the fixed base 1 in a coordinated manner.

[0046] In this embodiment, a plurality of mutually symmetrical supporting feet are disposed at the bottom of the fixed base 1 , and the lower portion of the air hole base extends to the bottom of the fixed base 1 .

[0047] In this embodiment, an annular protrusion is provided at the ends of the standby connecting pipe 24 and the airflow connecting seat 27, and an end cover for sealing and a clamp for fixing the end cover are provided on the side surface of the annular protrusion.

[0048] In this embodiment, the ends of the molecular pump connection port 23, the inclined mounting seat 25 and the temperature measuring instrument mounting seat 26 are integrally provided with flanges for mounting bolts.

[0049] In this embodiment, one side of the suspension furnace cavity 2 is connected to the molecular pump 4 through the molecular pump connection port 23 , and the suspension furnace cavity 2 is connected to the one-way valve exhaust assembly 5 through the airflow connection seat 27 .

[0050] In this embodiment, the number of the inclined mounting seat 25 and the sealing window 28 is seven, and an L-shaped bracket is provided on the outer side of one group of the sealing windows 28, and an observation camera 6 is installed on the L-shaped bracket, and the observation camera 6 is located at the end of the inclined mounting seat 25;

[0051] Two groups of the sealed windows 28 are respectively used for stirring and lighting during the operation process, two groups of the sealed windows 28 are installed with laser heater lenses for the laser heating process inside the device, and the last two groups of the sealed windows 28 are reserved.

[0052] By adopting the above technical solution, the material is lifted by the airflow inside the air suspension mechanism 7, so that the material is suspended inside the suspension furnace cavity 2. There is no need to use a rear crucible to support the material, and the cleaning step is omitted. The material is heated in conjunction with the laser heater, and different numbers of laser heaters can be installed on the inclined mounting seat 25 in the suspension furnace cavity 2 according to needs, so as to adjust the heating efficiency, and an observation camera 6, an LED lighting lamp assembly or a stirring rod assembly lamp can also be installed to achieve different functions.

[0053] In this embodiment, the end of the tilted mounting seat 25 is also mounted with an LED lighting assembly, a vacuum control detection unit, and a stirring rod assembly.

[0054] Specifically, the LED lighting lamp assembly includes a sealed housing, lamp beads and a voltage-stabilizing circuit board, and the sealed housing is fixed to the end of the inclined mounting seat 25 .

[0055] Specifically, the stirring rod assembly includes a stirring rod, a sealing ring and a fixed shell, and the fixed shell is fixed to the end of the inclined mounting seat 25.

[0056] In this embodiment, the end thread of the thermometer mounting seat 26 is equipped with an infrared thermometer for detecting the temperature in the furnace.

[0057] In this embodiment, a disassembly handle is fixed on the cover plate 3 to facilitate disassembly of the cover plate 3.

[0058] In this embodiment, the one-way valve exhaust assembly 5 includes an airflow pipeline, and the airflow pipeline is installed with a ball valve, a pressure gauge and a needle valve. The airflow pipeline is connected to the inner side of the suspension furnace cavity 2 through the airflow connecting seat 27 to send the airflow into the inner side of the suspension furnace cavity 2.

[0059] In this embodiment, an air path interface and a cooling water pipe interface are installed at the bottom of the air suspension mechanism 7.

[0060] In this embodiment, the suspension furnace chamber 2 is composed of a furnace body 21 with multiple sets of sealed windows 28, a bottom plate 22 and a cover plate 3, which are connected to form a sealed chamber.

[0061] The working principle of the utility model is: when in use, first open the manual valve, the material enters the inner side of the feed rod assembly 8 through the feed pipe, and at the same time, the suspended airflow enters through the air hole base and flows upward in a cone shape from the inner side of the conical groove, and the material just entering the inner side of the air hole base will flow upward with the airflow, so that the material is suspended on the inner side of the suspension furnace cavity 2, and the laser heater on the inclined mounting seat 25 is used to heat the material, the suspended material is stirred by the stirring rod assembly, the LED lighting lamp assembly illuminates the furnace, and the observation camera 6 observes the material state in the furnace at the same time; the cavity can be installed with a multi-channel laser lens for high-temperature heating, equipped with an infrared thermometer and an observation camera 6 for real-time temperature measurement and observation, and the stable airflow of the air suspension mechanism 7 is used to heat and melt the high-temperature suspended material; the structure is simple and the operation is very convenient.

[0062] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0063] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A containerless laser heating suspension furnace cavity, characterized in that: It comprises a suspension furnace chamber (2), a feed rod assembly (8) and an air suspension mechanism (7); The suspension furnace cavity (2) comprises a furnace body (21) and a bottom plate (22); a molecular pump connection port (23) and a spare connection pipe (24) are respectively provided on the outside of the suspension furnace cavity (2); and two molecular pump connection ports (23) and two spare connection pipes (24) are respectively provided at intervals; The upper part of the furnace body (21) is provided with inclined inclined mounting seats (25) in a ring array, and the interior of the inclined mounting seats (25) is connected with a sealing window (28) via a flange, and the upper part of the furnace body (21) is also provided with a temperature measuring instrument mounting seat (26) in an integrated manner; The air suspension mechanism (7) comprises an air hole base, and a conical groove is provided at the end of the air hole base; The feed rod assembly (8) comprises a fixing seat, a manual valve and a feed pipe. The feed pipe is fixed to the cover plate (3) by the fixing seat, and the lower part of the feed pipe extends downward into the conical groove of the air suspension mechanism (7). The end of the feed pipe is equipped with a manual valve.

2. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: The suspension furnace chamber (2) is fixed to the fixed base (1) by means of fasteners, and the air suspension mechanism (7) is connected in cooperation with the center position of the fixed base (1).

3. The containerless laser heating suspension furnace chamber according to claim 2 is characterized in that: The bottom of the fixed base (1) is provided with a plurality of mutually symmetrical supporting feet, and the lower part of the air hole base extends to the bottom of the fixed base (1).

4. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: An annular protrusion is provided at the end of the spare connecting pipe (24) and the airflow connecting seat (27), and an end cover for sealing and a clamp for fixing the end cover are provided on the side surface of the annular protrusion.

5. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: The ends of the molecular pump connection port (23), the inclined mounting seat (25) and the temperature measuring instrument mounting seat (26) are integrally provided with flanges for mounting bolts.

6. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: One side of the suspension furnace cavity (2) is connected to the molecular pump (4) via a molecular pump connection port (23), and the suspension furnace cavity (2) is connected to the one-way valve exhaust assembly (5) via an airflow connection seat (27).

7. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: The number of the inclined mounting seats (25) and the sealing windows (28) is seven, and an L-shaped bracket is arranged on the outer side of one of the sealing windows (28), and an observation camera (6) is installed on the L-shaped bracket, and the observation camera (6) is located at the end of the inclined mounting seat (25); Two groups of the sealed windows (28) are respectively used for stirring and lighting during the operation process; two groups of the sealed windows (28) are installed with laser heater lenses for the laser heating process inside the device; and the last two groups of the sealed windows (28) are reserved.

8. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: An air path interface and a cooling water pipe interface are installed at the bottom of the air suspension mechanism (7).

9. The containerless laser heating suspension furnace chamber according to claim 1 is characterized in that: The suspension furnace cavity (2) is composed of a furnace body (21) with multiple sets of sealed windows (28), a bottom plate (22) and a cover plate (3), which are connected to form a sealed cavity.

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