High-temperature nitriding furnace with feeding structure

By designing a high-temperature nitriding furnace with a feeding structure, and utilizing components such as an electric lifting rod and a rotating motor to suspend and rotate the workpiece, the problem of difficult workpiece flipping was solved, and uniform nitriding of the workpiece was achieved, thus improving the processing quality.

CN224047490UActive Publication Date: 2026-03-27CHONGQING FENGDONG METAL SURFACE TREATMENT CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-04
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing high-temperature nitriding furnaces cannot achieve workpiece flipping, resulting in poor nitriding effect and uneven heating at the contact surface between the workpiece and the furnace bottom, which affects the processing quality.

Method used

A high-temperature nitriding furnace with a feeding structure was designed, including a worktable, mounting components and auxiliary components. The suspension, sealing, heating and rotation of the workpiece are achieved through components such as an electric lifting rod, a rotating motor and hooks, to ensure uniform nitriding.

Benefits of technology

This method achieves uniform nitriding of workpieces, solves the problem of uneven nitriding at the contact surface between the workpiece and the furnace bottom, and improves processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of nitriding furnaces, in particular to a high-temperature nitriding furnace with a feeding structure, which is characterized in that a workpiece to be nitrided is hung on a hook, an electric lifting rod drives a connecting frame to descend, the connecting frame drives a sealing cover to descend, the sealing cover seals a furnace body and drives the hook and the workpiece to enter the furnace body, and then an auxiliary assembly is started; the auxiliary assembly exhausts air in the furnace body, after the air is exhausted, the air inlet component guides nitrogen in the nitrogen tank into the furnace body, the electric heating plate heats the workpiece and nitrides the workpiece, meanwhile, the rotating motor drives the rotating shaft to rotate, the rotating shaft drives the rotating disc and the hook to rotate, and the hook drives the workpiece to rotate. And after machining is completed, the sealing cover is driven by the electric lifting rod to reset, the nitrided workpiece is taken out, and therefore the problem that the workpiece cannot be turned over is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nitriding furnace technical field especially relates to a high temperature nitriding furnace with feed structure. BACKGROUND

[0002] High temperature nitriding furnace is a kind of industrial equipment for material surface nitriding treatment, nitrogen atom is penetrated into metal surface layer by high temperature (usually 500-600 DEG C), significantly improves material hardness, wear resistance and corrosion resistance, is widely used in mechanical manufacturing, aerospace, automobile parts and other fields.

[0003] After high temperature nitriding furnace treatment, workpiece surface will form nitrogen-containing strengthening layer, obtain high hardness, high wear resistance, high fatigue limit and good wear resistance, to significantly improve the performance of workpiece. High temperature nitriding furnace plays an important role in modern industrial production, is the key equipment of improving product quality and performance.

[0004] But because the existing high temperature nitriding furnace when using, usually the workpiece needing nitriding is placed in furnace low and is nitrided, cannot workpiece is turned over, leading to the nitriding effect of the surface of workpiece and furnace low contact is poor, heating is uneven, makes nitriding uneven, thereby inconvenient to use. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of high temperature nitriding furnace with feed structure, solve the problem of unable workpiece to turn over.

[0006] In order to achieve the above object, the utility model provides a high temperature nitriding furnace with feed structure including workstation, installation component and auxiliary assembly, installation component includes furnace body, electric lifting rod, connecting frame, sealing cover, rotating shaft, rotating motor, rotating disc, hook, nitrogen tank and air inlet component, the furnace body with the workstation fixed connection, and located one side of the workstation, electric lifting rod with the workstation fixed connection, and located one side of the workstation, the output end of connecting frame with electric lifting rod, the sealing cover with connecting frame fixed connection, and located one side of connecting frame, the rotating shaft with sealing cover rotation connection, and through sealing cover, the sealing cover with connecting frame fixed connection, and located one side of connecting frame, the rotating shaft with sealing cover rotation connection, and through sealing cover, the output end of rotating motor with sealing cover fixed connection, the output end of rotating motor with rotating shaft connects, the rotating disc with rotating shaft fixed connection, and located one end of rotating shaft, the hook with rotating disc fixed connection, and located one side of rotating disc, the nitrogen tank with the workstation fixed connection, and located one side of the workstation, the air inlet component with nitrogen tank connection, when using, the workpiece that needs nitriding processing is hung on the hook, starts electric lifting rod, electric lifting rod drives connecting frame to descend, connecting frame drives sealing cover to descend, sealing cover seals the furnace body, and drives the hook and workpiece to enter the furnace body, starts auxiliary assembly, auxiliary assembly exhausts the air in the furnace body, after exhausting, starts air inlet component, air inlet component leads the nitrogen in nitrogen tank into the furnace body, starts electric heating plate, electric heating plate heats workpiece, and workpiece is nitrided, simultaneously, starts rotating motor, rotating motor drives rotating shaft to rotate, rotating shaft drives rotating disc and hook to rotate, hook drives workpiece to rotate, workpiece can be nitrided uniformly, after processing, drives sealing cover reset through electric lifting rod, and takes out the workpiece after nitriding, thereby solve the problem that workpiece can not be turned over.

[0007] Among them, the air inlet component includes air inlet pump, air inlet pipe and control valve, the air inlet pump with the nitrogen tank intercommunication, and located one side of the nitrogen tank, one end of the air inlet pipe with the air inlet pump intercommunication, the other end of the air inlet pipe with the furnace body intercommunication, the control valve with the air inlet pipe is connected.

[0008] Among them, the installation component still includes electric heating plate, the electric heating plate with the furnace body fixed connection, and located inside the furnace body.

[0009] Among them, the auxiliary assembly includes air outlet pipe, vacuum pump and pressure relief valve, the air outlet pipe with the furnace body intercommunication, and located one side of the furnace body, the vacuum pump with the air outlet pipe intercommunication, and with the workstation fixed connection, the pressure relief valve with the air outlet pipe fixed connection, and located inside the air outlet pipe.

[0010] The auxiliary assembly further comprises an air pressure sensor fixedly connected with the furnace body and penetrating through the furnace body.

[0011] The utility model discloses a high temperature nitriding furnace with feeding structure includes workstation, installation component and auxiliary assembly, installation component includes furnace body, electric lifting rod, connecting frame, sealing cover, rotation axis, rotation motor, rotary disc, hook, nitrogen tank and inlet component, inlet component includes inlet pump, inlet pipe and control valve, installation component further includes electric heating plate, auxiliary assembly includes outlet pipe, vacuum pump and pressure relief valve, auxiliary assembly further includes air pressure sensor, furnace body with workstation fixed connection, and located one side of workstation, electric lifting rod with workstation fixed connection, and located one side of workstation, connecting frame with the output of electric lifting rod, sealing cover with connecting frame fixed connection, and located one side of connecting frame, rotation axis with sealing cover rotation is connected with penetrating sealing cover, rotation motor with sealing cover fixed connection, and the output of rotation motor is connected with rotation axis, rotary disc with rotation axis fixed connection, and located one end of rotation axis, hook with rotary disc fixed connection, and located one side of rotary disc, nitrogen tank with workstation fixed connection, and located one side of workstation, inlet component with nitrogen tank is connected, when using, the workpiece that needs nitriding processing is hung on the hook, starts electric lifting rod, and electric lifting rod drives connecting frame to descend, and connecting frame drives sealing cover to descend, and sealing cover seals furnace body, and drives hook and workpiece enter furnace body, starts auxiliary assembly, and auxiliary assembly exhausts the air in furnace body, after exhausting, starts inlet component, and inlet component guides the nitrogen in nitrogen tank into furnace body, starts electric heating plate, and electric heating plate heats workpiece, and workpiece is nitrided, simultaneously, starts rotation motor, and rotation motor drives rotation axis to rotate, and rotation axis drives rotary disc and hook to rotate, and hook drives workpiece to rotate, so that workpiece can be evenly nitrided, and after processing, drives sealing cover reset through electric lifting rod, and takes out the workpiece after nitriding, thereby solve the problem that workpiece can not be turned over. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description.

[0013] Figure 1It is the whole structure schematic view of the high-temperature nitriding furnace with the feeding structure of the first embodiment of the utility model.

[0014] Figure 2 It is the electric heating plate and furnace body connection schematic view of the high-temperature nitriding furnace with the feeding structure of the first embodiment of the utility model.

[0015] Figure 3 It is the schematic view of the high-temperature nitriding furnace with the feeding structure of the second embodiment of the utility model.

[0016] In the figure: 101-workbench, 102-furnace body, 103-electric lifting rod, 104-connection frame, 105-sealing cover, 106-rotary shaft, 107-rotary motor, 108-rotating disc, 109-hook, 110-nitrogen tank, 111-gas inlet pump, 112-gas inlet pipe, 113-control valve, 114-electric heating plate, 201-gas outlet pipe, 202-vacuum pump, 203-pressure relief valve, 204-air pressure sensor. DETAILED DESCRIPTION

[0017] The embodiments of the utility model are described in detail below, the example of the embodiment is shown in the drawing, the embodiment described below by referring to the drawing is exemplary, aims at explaining the utility model, and can not be understood as the limitation of the utility model.

[0018] The first embodiment of the application is:

[0019] Please refer to Figure 1 And Figure 2 , Figure 1 It is the whole structure schematic view of the high-temperature nitriding furnace with the feeding structure of the first embodiment of the utility model, Figure 2 It is the electric heating plate and furnace body connection schematic view of the high-temperature nitriding furnace with the feeding structure of the first embodiment of the utility model, the high-temperature nitriding furnace with the feeding structure includes workbench 101, installation assembly and auxiliary assembly, the installation assembly includes furnace body 102, electric lifting rod 103, connection frame 104, sealing cover 105, rotary shaft 106, rotary motor 107, rotating disc 108, hook 109, nitrogen tank 110 and gas inlet component, the gas inlet component includes gas inlet pump 111, gas inlet pipe 112 and control valve 113, the installation assembly further includes electric heating plate 114, and the problem that workpiece cannot be turned over is solved by the foregoing scheme.

[0020] In use, the workpiece to be nitrided is hung on the hook 109, the electric lifting rod 103 is started to drive the connecting frame 104 to descend, the connecting frame 104 drives the sealing cover 105 to descend, the sealing cover 105 seals the furnace body 102, and the hook 109 and the workpiece enter the furnace body 102, the auxiliary assembly is started to exhaust the air in the furnace body 102, after the air is exhausted, the air inlet member is started to guide the nitrogen in the nitrogen tank 110 into the furnace body 102, the electric heating plate 114 is started to heat the workpiece, the workpiece is nitrided, at the same time, the rotating motor 107 is started to drive the rotating shaft 106 to rotate, the rotating shaft 106 drives the rotating disc 108 and the hook 109 to rotate, the hook 109 drives the workpiece to rotate, so that the workpiece can be uniformly nitrided, after the nitriding is completed, the sealing cover 105 is reset by the electric lifting rod 103, and the workpiece after nitriding is taken out, thereby solving the problem that the workpiece cannot be turned over.

[0021] The furnace body 102 is fixedly connected with the workbench 101 and located on one side of the workbench 101, the electric lifting rod 103 is fixedly connected with the workbench 101 and located on one side of the workbench 101, the connecting frame 104 is connected with the output end of the electric lifting rod 103, the sealing cover 105 is fixedly connected with the connecting frame 104 and located on one side of the connecting frame 104, the rotating shaft 106 is rotatably connected with the sealing cover 105 and penetrates through the sealing cover 105, the rotating motor 107 is fixedly connected with the sealing cover 105, the output end of the rotating motor 107 is connected with the rotating shaft 106, the rotating disc 108 is fixedly connected with the rotating shaft 106 and located on one end of the rotating shaft 106, the hook 109 is fixedly connected with the rotating disc 108 and located on one side of the rotating disc 108, the nitrogen tank 110 is fixedly connected with the workbench 101 and located on one side of the workbench 101, the gas inlet member is connected with the nitrogen tank 110, the furnace body 102 is located on the upper side of the workbench 101, the electric lifting rod 103 is located on the upper side of the workbench 101, the connecting frame 104 is located above the electric lifting rod 103, the sealing cover 105 is located on the lower side of the connecting frame 104, the rotating shaft 106 penetrates through the sealing cover 105, the rotating motor 107 is located on the upper side of the sealing cover 105, the rotating disc 108 is located on the lower end of the rotating disc 108, the hook 109 is located on the lower side of the rotating disc 108, and the nitrogen tank 110 is located on the upper side of the workbench 101. When in use, the workpiece needing nitriding processing is hung on the hook 109, the electric lifting rod 103 is started, the electric lifting rod 103 drives the connecting frame 104 to descend, the connecting frame 104 drives the sealing cover 105 to descend, the sealing cover 105 seals the furnace body 102 and drives the hook 109 and the workpiece into the furnace body 102, the auxiliary assembly is started, the auxiliary assembly discharges the air in the furnace body 102, after the air is discharged, the gas inlet member is started, the gas inlet member guides the nitrogen in the nitrogen tank 110 into the furnace body 102, the electric heating plate 114 is started, the electric heating plate 114 heats the workpiece to perform nitriding processing on the workpiece, at the same time, the rotating motor 107 is started, the rotating motor 107 drives the rotating shaft 106 to rotate, the rotating shaft 106 drives the rotating disc 108 and the hook 109 to rotate, the hook 109 drives the workpiece to rotate, so that the workpiece can be uniformly nitrided, after the processing is completed, the sealing cover 105 is reset by the electric lifting rod 103, and the workpiece after nitriding is taken out, thereby solving the problem that the workpiece cannot be turned over.

[0022] Secondly, the air inlet pump 111 is in communication with the nitrogen tank 110 and located at one side of the nitrogen tank 110; one end of the air inlet pipe 112 is in communication with the air inlet pump 111, and the other end of the air inlet pipe 112 is in communication with the furnace body 102; the control valve 113 is connected with the air inlet pipe 112; the air inlet pump 111 is located on the upper side of the nitrogen tank 110, the air inlet pipe 112 connects the air inlet pump 111 with the furnace body 102, the control valve 113 is connected with the air inlet pipe 112, the control valve 113 is opened, the air inlet pump 111 is started, and the air inlet pump 111 guides the nitrogen in the nitrogen tank 110 into the furnace body 102 through the air inlet pipe 112.

[0023] Then, the electric heating plate 114 is fixedly connected with the furnace body 102 and located inside the furnace body 102; the electric heating plate 114 is located inside the furnace body 102, the electric heating plate 114 is started, and the electric heating plate 114 heats the workpiece.

[0024] When the high-temperature nitriding furnace with the feeding structure is used, the workpiece to be nitrided is hung on the hook 109, the electric lifting rod 103 is started, the electric lifting rod 103 drives the connecting frame 104 to descend, the connecting frame 104 drives the sealing cover 105 to descend, the sealing cover 105 seals the furnace body 102 and drives the hook 109 and the workpiece to enter the furnace body 102, the auxiliary assembly is started, the auxiliary assembly discharges the air in the furnace body 102, after the air is discharged, the control valve 113 is opened, the air inlet pump 111 is started, the air inlet pump 111 guides the nitrogen in the nitrogen tank 110 into the furnace body 102 through the air inlet pipe 112, the electric heating plate 114 is started, the electric heating plate 114 heats the workpiece, the workpiece is nitrided, at the same time, the rotating motor 107 is started, the rotating motor 107 drives the rotating shaft 106 to rotate, the rotating shaft 106 drives the rotating disc 108 and the hook 109 to rotate, the hook 109 drives the workpiece to rotate, so that the workpiece can be uniformly nitrided, after the workpiece is nitrided, the sealing cover 105 is reset by the electric lifting rod 103, and the workpiece is taken out, thereby solving the problem that the workpiece cannot be turned over.

[0025] The second embodiment of the application is:

[0026] Please refer to Figure 3 , Figure 3This is a schematic diagram of a high-temperature nitriding furnace with a feeding structure according to the second embodiment of the present invention. Based on the first embodiment, the high-temperature nitriding furnace with a feeding structure in this embodiment further includes auxiliary components, including an exhaust pipe 201, a vacuum pump 202 and a pressure relief valve 203, and a pressure sensor 204.

[0027] In this specific embodiment, by opening the pressure relief valve 203 and starting the vacuum pump 202, the vacuum pump 202 discharges the air from the furnace body 102. After discharge, the pressure relief valve 203 is closed, the control valve 113 is opened, and the air intake pump 111 is started. The air intake pump 111 introduces nitrogen from the nitrogen tank 110 into the furnace body 102 through the air intake pipe 112.

[0028] The exhaust pipe 201 is connected to the furnace body 102 and located on one side of the furnace body 102; the vacuum pump 202 is connected to the exhaust pipe and fixedly connected to the workbench 101; the pressure relief valve 203 is fixedly connected to the exhaust pipe 201 and located inside the exhaust pipe 201. The exhaust pipe 201 is located on the side of the furnace body 102 away from the electric lifting rod 103. The vacuum pump 202 is located on the upper side of the workbench 101. The pressure relief valve 203 is located inside the exhaust pipe 201. By opening the pressure relief valve 203 and starting the vacuum pump 202, the vacuum pump 202 discharges the air inside the furnace body 102. After discharge, the pressure relief valve 203 is closed, the control valve 113 is opened, and the air intake pump 111 is started. The air intake pump 111 introduces nitrogen from the nitrogen tank 110 into the furnace body 102 through the air intake pipe 112.

[0029] Secondly, the pressure sensor 204 is fixedly connected to the furnace body 102 and passes through the furnace body 102. The pressure sensor 204 is located on one side of the furnace body 102. The pressure sensor 204 is used to check the internal pressure of the furnace body 102 to prevent the internal pressure of the furnace body 102 from being too high.

[0030] When using the high-temperature nitriding furnace with feeding structure in this embodiment, by opening the pressure relief valve 203 and starting the vacuum pump 202, the vacuum pump 202 discharges the air inside the furnace body 102. After discharge, the pressure relief valve 203 is closed, the control valve 113 is opened, and the air intake pump 111 is started. The air intake pump 111 introduces nitrogen from the nitrogen tank 110 into the furnace body 102 through the air intake pipe 112. The air pressure sensor 204 checks the internal air pressure of the furnace body 102 to prevent the internal air pressure of the furnace body 102 from being too high.

[0031] The above disclosure only shows one or more preferred embodiments of the present application, and cannot limit the scope of the present application. Those skilled in the art can understand that the implementation of all or part of the above processes, and the equivalent changes made according to the claims of the present application, still belong to the scope covered by the present application.

Claims

1. A high-temperature nitriding furnace with feeding structure, comprising a workbench and an auxiliary assembly, characterized in that: It also comprises a mounting assembly; The mounting assembly comprises a furnace body, an electric lifting rod, a connecting frame, a sealing cover, a rotating shaft, a rotating motor, a rotating disc, a hook, a nitrogen tank and an air inlet component, the furnace body is fixedly connected with the workbench and located on one side of the workbench, the electric lifting rod is fixedly connected with the workbench and located on one side of the workbench, the connecting frame is connected with the output end of the electric lifting rod, the sealing cover is fixedly connected with the connecting frame and located on one side of the connecting frame, the rotating shaft is rotatably connected with the sealing cover and penetrates through the sealing cover, the rotating motor is fixedly connected with the sealing cover, the output end of the rotating motor is connected with the rotating shaft, the rotating disc is fixedly connected with the rotating shaft and located on one end of the rotating shaft, the hook is fixedly connected with the rotating disc and located on one side of the rotating disc, the nitrogen tank is fixedly connected with the workbench and located on one side of the workbench, and the air inlet component is connected with the nitrogen tank.

2. The high-temperature nitriding furnace with feeding structure according to claim 1, characterized in that: The air inlet component comprises an air inlet pump, an air inlet pipe and a control valve, the air inlet pump is in communication with the nitrogen tank and located on one side of the nitrogen tank, one end of the air inlet pipe is in communication with the air inlet pump, the other end of the air inlet pipe is in communication with the furnace body, and the control valve is connected with the air inlet pipe.

3. The high-temperature nitriding furnace with feeding structure according to claim 1, characterized in that: The mounting assembly further comprises an electric heating plate, the electric heating plate is fixedly connected with the furnace body and located inside the furnace body.

4. The high-temperature nitriding furnace with feeding structure according to claim 1, characterized in that: The auxiliary assembly comprises an air outlet pipe, a vacuum pump and a pressure relief valve, the air outlet pipe is in communication with the furnace body and located on one side of the furnace body, the vacuum pump is in communication with the air outlet pipe and fixedly connected with the workbench, and the pressure relief valve is fixedly connected with the air outlet pipe and located inside the air outlet pipe.

5. The high-temperature nitriding furnace with feeding structure according to claim 4, characterized in that: The auxiliary assembly further comprises an air pressure sensor, the air pressure sensor is fixedly connected with the furnace body and penetrates through the furnace body.