CN219195101U - Surrounding air supply ion nitriding furnace - Google Patents
Surrounding air supply ion nitriding furnace Download PDFInfo
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- CN219195101U CN219195101U CN202320290495.0U CN202320290495U CN219195101U CN 219195101 U CN219195101 U CN 219195101U CN 202320290495 U CN202320290495 U CN 202320290495U CN 219195101 U CN219195101 U CN 219195101U
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Abstract
The utility model discloses an ion nitriding furnace with surrounding air supply, which comprises a furnace body structure, wherein an air inlet structure is arranged on the inner wall of the furnace body structure, a heating structure is arranged in an inner cavity of the furnace body structure, the whole heating structure is fixedly connected with the furnace body structure, the furnace body structure comprises a furnace body, hanging rings, a heating cavity and a guide groove, the air inlet structure comprises an air groove, a nozzle, an opposite connection pipe, a connection pipe and a connection port, and the heating structure comprises a mounting plate, a resistance heating rod and a penetrating pipe. The beneficial effects are that: according to the utility model, the prior art is improved, in actual use, the arranged furnace body structure can provide a surrounding type ionization heating function for the workpiece nitrided inside through the matched air inlet structure and the heating structure, so that the temperature of gas can be raised uniformly and efficiently, and nitrogen filled in the whole heating cavity can be filled in a short time for rapid heating.
Description
Technical Field
The utility model relates to the technical field of nitriding furnaces, in particular to a surrounding air supply ion nitriding furnace.
Background
Ion nitriding is used as a process for strengthening the surface of metal, and nitrogen ions generated after ionization of nitrogen-containing gas bombard the surface of a part to heat and nitrid the surface of the part by utilizing glow discharge phenomenon, so that an ion chemical heat treatment process for obtaining a surface nitriding layer is widely applied to cast iron, carbon steel, alloy steel, stainless steel, titanium alloy and the like. After the ion nitriding treatment, the hardness of the surface of the material can be obviously improved, so that the material has high wear resistance, fatigue strength, corrosion resistance, burn resistance and the like, and an ion nitriding furnace is important equipment required to be used in the ion nitriding process.
The nitriding furnace in the prior art is generally provided with nitrogen gas at a single point, but the nitrogen gas cannot be quickly filled into the whole furnace body, and the nitrogen gas concentration inside the furnace body may be unevenly distributed.
The bulletin number is: the utility model provides a CN 214422732U's air feed ion nitriding furnace that encircles, includes the base, the top right side fixedly connected with furnace body of base, the left end evenly distributed of cabinet door has two fixed blocks, the front portion evenly distributed on the left end upper portion of furnace body has two hasp, the lower part of furnace body front end is provided with the controller, the left end fixedly connected with nitrogen generator of base. According to the utility model, the motor can rotate the tray, the product is placed on the tray when nitriding the product, the product can be driven by the motor to rotate along with the tray, nitrogen can be uniformly sprayed on the surface of the product through the spray head on the surface of the air dispersing pipe, the air inlet pipe can be communicated with the second pipeline through the flow dividing valve, then the vacuum treatment can be carried out on the nitriding furnace through the vacuum pump, and the air inlet pipe can be communicated with the first pipeline through the flow dividing valve, so that the nitrogen can be exhausted into the nitriding furnace through the booster pump, and the nitrogen nitriding furnace is very convenient to use and worth popularizing.
But this nitriding furnace just fills evenly to nitrogen gas, but can't carry out effective quick heating, and its heating is not even enough, and the effect promotes inadequately obviously.
Disclosure of Invention
In order to solve the problems in the related art, the present utility model provides a surrounding air supply ion nitriding furnace, so as to overcome the above-mentioned technical problems in the prior art.
For this purpose, the utility model adopts the following specific technical scheme:
the utility model provides a encircle air feed ion nitriding furnace, includes the furnace body structure, the inner wall of furnace body structure is equipped with the structure of admitting air, the inner chamber of furnace body structure is equipped with heating structure, heating structure wholly with furnace body structure fixed connection.
Further, the furnace body structure is the main body structure of nitriding furnace, can ionize nitrogen gas and the nitriding of work piece, the furnace body structure includes furnace body, rings, heating chamber, guide way, the top of furnace body is equipped with rings, the inboard of furnace body is equipped with the heating chamber, the bottom week side of furnace body is equipped with the guide way.
Further, the even leading-in nitrogen gas of inlet structure can be led in, inlet structure includes air tank, spout, is to takeover, connecting pipe, connector, the inboard of air tank is equipped with the spout, one side of air tank is connected and is equipped with to takeover, to takeover is keeping away from one side of air tank is equipped with the connecting pipe, the top of connecting pipe is equipped with the connector.
Further, the heating structure can evenly heat nitrogen, makes the nitrogen temperature of the inside different intervals of whole furnace body be close, reduces difference in temperature and pressure, the heating structure includes mounting panel, resistance heating pole, cross-under pipe, the installation is equipped with resistance heating pole on the mounting panel, one side of mounting panel is equipped with the cross-under pipe.
Furthermore, the connection port is provided with an electromagnetic valve, a pressure reducing valve and a nitrogen tank in a matching way, the nitrogen tank is provided with an air inlet and an air outlet, the air outlet is connected with the pressure reducing valve through a pipeline, the pressure reducing valve is connected with the electromagnetic valve through a pipeline, and the electromagnetic valve is in sealing connection with the connection port through a pipeline.
Further, the middle section of the resistance heating rod is fixedly connected with the mounting plate, and each group of resistance heating rods is independently provided with a control module.
Further, the furnace body of the furnace body structure is matched with a sealing plate, a cathode disc and an ionization assembly, the sealing plate is installed at two ends of the furnace body, the cathode disc is arranged on the inner side of the sealing plate, and the cathode disc is provided with a mounting groove.
The beneficial effects of the utility model are as follows:
according to the utility model, the prior art is improved, in actual use, the arranged furnace body structure can provide a surrounding type ionization heating function for the workpiece nitrided inside through the matched air inlet structure and the heating structure, so that the temperature of gas can be raised uniformly and efficiently, and nitrogen filled in the whole heating cavity can be filled in a short time for rapid heating.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a main body structure of a surrounding air supply ion nitriding furnace according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an air inlet structure of a surrounding air supply ion nitriding furnace according to an embodiment of the present utility model;
fig. 3 is a schematic view of a heating structure of a surrounding air supply ion nitriding furnace according to an embodiment of the present utility model.
In the figure:
1. a furnace body structure; 101. a furnace body; 102. a hanging ring; 103. a heating chamber; 104. a guide groove; 2. an air intake structure; 201. an air tank; 202. a spout; 203. a butt joint pipe; 204. a connecting pipe; 205. a connection port; 3. a heating structure; 301. a mounting plate; 302. a resistance heating rod; 303. and (5) penetrating the pipe.
Detailed Description
For the purpose of further illustrating the various embodiments, the present utility model provides the accompanying drawings, which are a part of the disclosure of the present utility model, and which are mainly used to illustrate the embodiments and, together with the description, serve to explain the principles of the embodiments, and with reference to these descriptions, one skilled in the art will recognize other possible implementations and advantages of the present utility model, wherein elements are not drawn to scale, and like reference numerals are generally used to designate like elements.
According to an embodiment of the present utility model, a surround-fed ion nitriding furnace is provided.
The utility model is further described with reference to the accompanying drawings and the specific embodiments, as shown in fig. 1-3, the surrounding air supply ion nitriding furnace according to the embodiment of the utility model comprises a furnace body structure 1, wherein an air inlet structure 2 is arranged on the inner wall of the furnace body structure 1, a heating structure 3 is arranged in the inner cavity of the furnace body structure 1, and the whole heating structure 3 is fixedly connected with the furnace body structure 1.
The furnace body structure 1 is a main body structure of a nitriding furnace, and can ionize nitrogen and nitridize workpieces;
the air inlet structure 2 can be used for uniformly introducing nitrogen;
the heating structure 3 can uniformly heat nitrogen, so that the temperature of the nitrogen in different layers in the whole furnace body is close, and the temperature difference and the pressure difference are reduced.
The furnace body structure 1 comprises a furnace body 101, a lifting ring 102, a heating cavity 103 and a guide groove 104, wherein the lifting ring 102 is arranged at the top end of the furnace body 101, the heating cavity 103 is arranged at the inner side of the furnace body 101, and the guide groove 104 is arranged at the periphery side of the bottom end of the furnace body 101.
The furnace body 101 of the furnace body structure 1 is a main structure of the furnace body, the lifting rings 102 are convenient for lifting equipment, the heating cavity 103 is a main place for heating workpieces, and the guide grooves 104 can assist the equipment in lifting and aligning.
The air inlet structure 2 comprises an air tank 201, a nozzle 202, a butt joint pipe 203, a connecting pipe 204 and a connecting port 205, wherein the nozzle 202 is arranged on the inner side of the air tank 201, the butt joint pipe 203 is connected with one side of the air tank 201, the connecting pipe 204 is arranged on one side, far away from the air tank 201, of the butt joint pipe 203, and the connecting port 205 is arranged at the top end of the connecting pipe 204.
The air tank 201 of the air inlet structure 2 is uniformly distributed on the inner wall of the furnace body 101, the nozzles 202 are inwards, all the nozzles 202 are pressure spray heads, certain air pressure is needed to spray air, the butt joint pipes 203 are connected with the air tanks 201, the connecting pipes 204 are connected with all the butt joint pipes 203, the connecting ports 205 are connected with electromagnetic valves, and the pressure reducing valves connected with the electromagnetic valves and the nitrogen tanks can charge nitrogen into the air tank 201, so that the nozzles 202 can uniformly spray the nitrogen into the heating cavity 103.
The heating structure 3 comprises a mounting plate 301, a resistance heating rod 302 and a penetrating pipe 303, wherein the resistance heating rod 302 is arranged on the mounting plate 301, and the penetrating pipe 303 is arranged on one side of the mounting plate 301.
The mounting panel 301 of heating structure 3 is installed in the middle section position of furnace body 101, and resistance heating rod 302 is through the external control module of penetration pipe 303 electric connection, and control module can carry out distributed control to each resistance heating rod 302 alone, carries out effectual regulation according to actual inside temperature, because resistance heating rod 302 is installed at the inside center of heating chamber 103, and the distance of upper and lower section is the same, consequently can be even heat the nitrogen gas of heating chamber 103, makes the nitrogen gas heating efficiency of different intervals equivalent, reduces the difference in temperature and upper and lower air pressure.
The connection port 205 is provided with a solenoid valve, a pressure reducing valve and a nitrogen tank in a matching way, the nitrogen tank is provided with an air inlet and an air outlet, the air outlet is connected with the pressure reducing valve through a pipeline, the pressure reducing valve is connected with the solenoid valve through a pipeline, and the solenoid valve is in sealing connection with the connection port 205 through a pipeline.
The middle section of the resistance heating rods 302 is fixedly connected with the mounting plate 301, and each group of resistance heating rods 302 is independently provided with a control module.
The furnace body 101 of the furnace body structure 1 is matched with a sealing plate, a cathode disc and an ionization assembly, the sealing plate is arranged at two ends of the furnace body 101, the cathode disc is arranged at the inner side of the sealing plate, and the cathode disc is provided with a mounting groove.
In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.
To sum up: the furnace body 101 of the furnace body structure 1 is the main structure of the furnace body, the lifting rings 102 are convenient for lifting equipment, the heating cavity 103 is the main place for heating workpieces, the guide grooves 104 can assist in lifting and aligning the equipment, the air grooves 201 of the air inlet structure 2 are uniformly distributed on the inner wall of the furnace body 101, the nozzles 202 are inwards, all the nozzles 202 are pressure spray heads, certain air pressure is needed to spray air, the butt joint pipes 203 are connected with the air grooves 201, the connecting pipes 204 are connected with the butt joint pipes 203, the connecting pipes 205 are connected with electromagnetic valves, the pressure reducing valves connected with the electromagnetic valves and the nitrogen tanks can charge nitrogen into the air grooves 201, the nozzles 202 can uniformly spray the nitrogen into the heating cavity 103, the mounting plates 301 of the heating structure 3 are mounted at the middle section of the furnace body 101, the resistance heating rods 302 are electrically connected with the external control modules through the penetrating pipes 303, the control modules can independently perform distributed control on all the resistance heating rods 302, the resistance heating rods 302 are effectively adjusted according to the actual internal temperature, the resistance heating rods 302 are mounted at the inner center of the heating cavity 103, the upper section and the lower section distances are the same, therefore the heating cavity 103 can uniformly heat the nitrogen at different temperature differences, and the temperature difference of the heating layers can be reduced.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a surrounding air supply ion nitriding furnace which is characterized by comprising a furnace body structure (1), wherein an air inlet structure (2) is arranged on the inner wall of the furnace body structure (1), a heating structure (3) is arranged in the inner cavity of the furnace body structure (1), and the whole heating structure (3) is fixedly connected with the furnace body structure (1); the heating structure (3) comprises a mounting plate (301), a resistance heating rod (302) and a penetrating pipe (303), wherein the resistance heating rod (302) is arranged on the mounting plate (301), and the penetrating pipe (303) is arranged on one side of the mounting plate (301); the middle section of each resistance heating rod (302) is fixedly connected with the mounting plate (301), and each group of resistance heating rods (302) is independently provided with a control module.
2. The ion nitriding furnace with surrounding air supply according to claim 1, wherein the furnace body structure (1) comprises a furnace body (101), a lifting ring (102), a heating cavity (103) and a guide groove (104), the lifting ring (102) is arranged at the top end of the furnace body (101), the heating cavity (103) is arranged at the inner side of the furnace body (101), and the guide groove (104) is arranged at the bottom end circumference side of the furnace body (101).
3. The ion nitriding furnace for surrounding air supply according to claim 1, wherein the air inlet structure (2) comprises an air tank (201), a nozzle (202), a butt joint pipe (203), a connecting pipe (204) and a connecting port (205), the nozzle (202) is arranged on the inner side of the air tank (201), the butt joint pipe (203) is connected on one side of the air tank (201), the connecting pipe (204) is arranged on one side far away from the air tank (201), and the connecting port (205) is arranged on the top end of the connecting pipe (204).
4. A wraparound air supply ion nitriding furnace as claimed in claim 3, wherein said connection port (205) is provided with a solenoid valve, a pressure reducing valve and a nitrogen tank in a matching manner, said nitrogen tank is provided with an air inlet and an air outlet, said air outlet is connected with said pressure reducing valve through a pipe, said pressure reducing valve is connected with said solenoid valve through a pipe, and said solenoid valve is connected with said connection port (205) through a pipe in a sealing manner.
5. A wraparound air feed ion nitriding furnace as claimed in claim 2, wherein said furnace body (101) of said furnace body structure (1) is fitted with sealing plates, cathode disks, ionization members, said sealing plates being mounted at both ends of said furnace body (101), the inside of said sealing plates being provided with cathode disks provided with mounting grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290495.0U CN219195101U (en) | 2023-02-23 | 2023-02-23 | Surrounding air supply ion nitriding furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320290495.0U CN219195101U (en) | 2023-02-23 | 2023-02-23 | Surrounding air supply ion nitriding furnace |
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| Publication Number | Publication Date |
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| CN219195101U true CN219195101U (en) | 2023-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320290495.0U Active CN219195101U (en) | 2023-02-23 | 2023-02-23 | Surrounding air supply ion nitriding furnace |
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| Country | Link |
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| CN (1) | CN219195101U (en) |
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- 2023-02-23 CN CN202320290495.0U patent/CN219195101U/en active Active
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