Charging mechanism of pre-vacuumizing nitriding furnace

By designing a pre-vacuum nitriding furnace charging mechanism, and utilizing the furnace cover switching mechanism to achieve pre-loading and direct loading of workpieces, the problem of cumbersome traditional charging process is solved, and the charging speed and processing efficiency of the nitriding furnace are improved.

CN223710208UActive Publication Date: 2025-12-23NORTHON THERMAL TECHNOLOGY (JIANGSU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423134903.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-12-23
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

The traditional pre-vacuum nitriding furnace has a cumbersome charging process, resulting in slow charging speed and reduced working efficiency.

Method used

A pre-vacuum nitriding furnace loading mechanism is designed, which realizes the pre-loading and direct loading of workpieces through the furnace cover switching mechanism, simplifying the loading steps and improving the loading speed.

Benefits of technology

By preloading the workpieces and directly loading the workpieces to be nitrided, the loading speed and the processing efficiency of the nitriding furnace are improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223710208U_ABST
    Figure CN223710208U_ABST
Patent Text Reader

Abstract

The utility model provides a pre-vacuumized nitriding furnace charging mechanism which comprises a nitriding furnace body, a cooling tank, a connecting seat, two furnace covers, a connecting screwing mechanism and a switching mechanism, the cooling tank is arranged on one side of the nitriding furnace body, an air cooler is arranged on one side, far away from the nitriding furnace body, of the cooling tank, and a tank cover is hinged to one side of the cooling tank; the connecting seat is arranged between the nitriding furnace body and the cooling tank; the two furnace covers are respectively arranged at the tops of the nitriding furnace body and the cooling tank; a loading frame is arranged at the bottom of each furnace cover; the connecting and screwing mechanism is arranged above the connecting seat and is respectively connected with the two furnace covers; the switching mechanism is arranged on the connecting base and connected with the connecting screwing mechanism. Therefore, workpieces can be pre-loaded, new workpieces to be nitrided can be directly loaded through switching of the furnace cover, and the loading speed and the treatment efficiency of the nitriding furnace are improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to pre -evacuation nitrogenization furnace technical field especially relates to a pre -evacuation nitrogenization furnace charging mechanism. BACKGROUND

[0002] Pre -evacuation nitrogenization furnace is the equipment with nitrogenization processing function, has the characteristics such as low processing temperature, short time, small workpiece deformation, high fatigue limit and good wear resistance.

[0003] At present, when the traditional pre -evacuation nitrogenization furnace charges, first needs to open the sealed furnace cover, then through the mechanical claw clamps workpiece and sends into the nitrogenization furnace, then again takes out the mechanical claw, reseals the furnace door, in this process, the mechanical claw needs to first zigzag clamps workpiece, then adjusts the position and enters the nitrogenization furnace and sends workpiece, finally drives the mechanical claw to leave the nitrogenization furnace, can reseal the pre -evacuation nitrogenization furnace, and the mechanical claw control steps are more and complicated, possibly leading to the speed of charging, reduces the working efficiency of nitrogenization furnace. SUMMARY

[0004] The utility model aims at at least one of the technical problems in the related art to some extent.

[0005] Therefore, the utility model provides a pre -evacuation nitrogenization furnace charging mechanism, can pre -load workpiece, and directly complete the loading of new workpiece to be nitrided through the switching of furnace cover, improve the speed of charging and the processing efficiency of nitrogenization furnace.

[0006] To achieve the above object, the utility model provides a pre -evacuation nitrogenization furnace charging mechanism, including nitrogenization furnace body, cooling tank, continuous seat, two furnace covers, connecting screwing mechanism and switching mechanism, wherein, the cooling tank is arranged at one side of the nitrogenization furnace body, the cooling tank is provided with cooling fan on the side away from the nitrogenization furnace body, and the cooling tank is hingedly provided with tank cover on one side;The continuous seat is arranged between the nitrogenization furnace body and the cooling tank;Two furnace covers are arranged at the top of the nitrogenization furnace body and the cooling tank respectively, and the furnace cover bottom is provided with a charging rack;The connecting screwing mechanism is arranged above the continuous seat and is connected with two furnace covers respectively;The switching mechanism is arranged on the continuous seat and is connected with the connecting screwing mechanism.

[0007] According to the pre -evacuation nitrogenization furnace charging mechanism of the utility model, workpiece can be preloaded, and the loading of new workpiece to be nitrided is directly completed through the switching of furnace cover, the speed of charging is improved, and the processing efficiency of nitrogenization furnace is improved.

[0008] In addition, the pre -evacuation nitrogenization furnace charging mechanism provided in the above application can also have the following additional technical features:

[0009] Specifically, the connecting and screwing mechanism comprises two ring plates, a connecting plate, a sealing support plate and a first rotating structure, the two ring plates are sleeved on the corresponding furnace covers respectively, the connecting plate is arranged between the two ring plates, the sealing support plate is sleeved on the nitriding furnace body and located at the bottom of the furnace cover, and the first rotating structure is arranged on the connecting plate.

[0010] Specifically, the first rotating structure comprises two gear rings, a gear and a first driver, the two gear rings are sleeved on the corresponding furnace covers and rotationally connected with the corresponding ring plates, the gear is rotationally arranged on the connecting plate and connected with the two gear rings respectively, and the first driver is arranged at the top of the connecting plate and connected with the gear.

[0011] Specifically, the switching mechanism comprises a branch pipe, a second driver, a square rod and a second rotating structure, the branch pipe is inserted on the connecting seat, the second driver is arranged at the bottom of the branch pipe, the square rod is inserted in the branch pipe and connected with the second driver, the top end of the square rod is connected with the connecting plate, and the second rotating structure is arranged on the connecting seat and connected with the branch pipe.

[0012] Specifically, the second rotating structure comprises a horizontal bevel gear, a side bevel gear and a third driver, the horizontal bevel gear is sleeved on the branch pipe, the side bevel gear is arranged on one side of the horizontal bevel gear and connected with the horizontal bevel gear in meshing mode, the side bevel gear is rotationally connected with the branch pipe, and the third driver is arranged on the branch pipe and connected with the side bevel gear.

[0013] The additional aspects and advantages of the present application will be partially given in the following description, partially will become obvious from the following description, or will be understood by the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0014] The above and / or additional aspects and advantages of the present application will become apparent and more readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

[0015] Figure 1 It is a structure schematic view of the pre-vacuum nitriding furnace charging mechanism of one embodiment of the present application.

[0016] Figure 2 It is a sectional view of the pre-vacuum nitriding furnace charging mechanism of one embodiment of the present application.

[0017] Figure 3 It is a partial sectional enlarged view of the pre-vacuum nitriding furnace charging mechanism of one embodiment of the present application.

[0018] As shown in the figure: 1. Nitriding furnace body; 2. Cooling tank; 21. Air cooler; 22. Tank cover; 3. Connecting seat; 4. Furnace cover; 41. Loading rack; 5. Connecting tightening mechanism; 51. Ring plate; 52. Connecting plate; 53. Sealing support plate; 54. First rotating structure; 541. Gear ring; 542. Gear; 543. First driver; 6. Switching mechanism; 61. Branch pipe; 62. Second driver; 63. Square rod; 64. Second rotating structure; 641. Horizontal bevel gear; 642. Side bevel gear; 643. Third driver. Detailed Implementation

[0019] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model. Rather, the embodiments of this utility model include all variations, modifications, and equivalents falling within the spirit and scope of the appended claims.

[0020] The pre-vacuum nitriding furnace charging mechanism of this utility model embodiment will be described below with reference to the accompanying drawings.

[0021] like Figures 1-3 As shown, the pre-vacuum nitriding furnace charging mechanism of this utility model embodiment includes a nitriding furnace body 1, a cooling tank 2, a connecting seat 3, two furnace covers 4, a connecting tightening mechanism 5, and a switching mechanism 6.

[0022] The cooling tank 2 is located on one side of the nitriding furnace body 1. A cold air fan 21 is provided on the side of the cooling tank 2 away from the nitriding furnace body 1. A tank cover 22 is hinged to one side of the cooling tank 2.

[0023] It should be noted that the cooling tank 2 can assist in cooling down the removed workpiece. The cooling fan 21 can blow air into the cooling tank 2 to increase the cooling speed of the workpiece. The tank cover 22 controls the opening of the cooling tank 2. Opening the tank cover 22 allows the workpiece to be removed and replaced.

[0024] The connecting seat 3 is located between the nitriding furnace body 1 and the cooling tank 2.

[0025] It should be noted that the connecting seat 3 connects the nitriding furnace body 1 and the cooling tank 2, and also provides installation support for the connecting tightening mechanism 5 and the switching mechanism 6.

[0026] Two furnace covers 4 are respectively installed on the top of the nitriding furnace body 1 and the cooling tank 2, and a loading rack 41 is installed at the bottom of the furnace cover 4.

[0027] It should be noted that the furnace cover 4 is a nitrogenation furnace body 1 sealing cover, controls the opening and closing of the nitrogenation furnace body 1, also ensures the vacuum sealing of the nitrogenation furnace body 1, and the loading rack 41 can load the workpieces to be nitrided.

[0028] The connecting and screwing mechanism 5 is arranged above the connecting seat 3 and connected with the two furnace covers 4 respectively.

[0029] It should be noted that the connecting and screwing mechanism 5 is used to connect the two furnace covers 4 to form an integrated structure, and controls the rotation of the two furnace covers 4, so that the rotation of the furnace cover 4 cooperates with the nitrogenation furnace body 1 to realize screwing sealing and improve the sealing performance of the nitrogenation furnace body 1.

[0030] The switching mechanism 6 is arranged on the connecting seat 3 and connected with the connecting and screwing mechanism 5.

[0031] It should be noted that the switching mechanism 6 is connected with the connecting and screwing mechanism 5 and can drive the connecting and screwing mechanism 5 to lift and rotate, thereby driving the furnace cover 4 to lift and rotate, which facilitates the separation of the furnace cover 4 from the nitrogenation furnace body 1, and the rotation can switch the furnace cover 4, so that the workpieces are preloaded on the loading rack 41 arranged on the furnace cover 4, and the loading function can be completed by directly switching the furnace cover 4, which makes the loading more rapid and the steps simple.

[0032] Specifically, after the workpieces inside the nitrogenation furnace body 1 are nitrided, the workpieces that have been nitrided are taken out, new workpieces are loaded, the relevant staff opens the lid 22, places the workpieces to be nitrided on the loading rack 41, and then closes the lid 22.

[0033] The switching mechanism 6 on the connecting seat 3 is operated to lift the furnace cover 4 and switch by rotating, the furnace cover 4 is driven to fall to reseal the nitrogenation furnace body 1 after the switching is completed, the connecting and screwing mechanism 5 is operated to screw the furnace cover 4, the sealing performance of the nitrogenation furnace body 1 is ensured, and the workpieces to be nitrided enter the nitrogenation furnace body 1 for nitriding treatment.

[0034] The workpieces that have been nitrided enter the cooling tank 2, the cooling fan 21 is operated to assist cooling, the workpieces are taken out after rapid cooling, and new workpieces are loaded for loading.

[0035] In an embodiment of the present application, as shown in Figure 1 and Figure 2 The connecting and screwing mechanism 5 comprises two ring plates 51, a connecting plate 52, a sealing support plate 53 and a first rotating structure 54.

[0036] The two ring plates 51 are respectively sleeved on the corresponding furnace covers 4, the connecting plate 52 is arranged between the two ring plates 51, the sealing support plate 53 is sleeved on the nitrogenation furnace body 1 and located at the bottom of the furnace cover 4, and the first rotating structure 54 is arranged on the connecting plate 52.

[0037] It should be noted that the furnace cover 4 is located in the ring plate 51 and is rotationally connected with the ring plate 51, the two ring plates 51 are connected through the connecting plate 52, the first rotating structure 54 is used to drive the furnace cover 4 to rotate in the ring plate 51, and the sealing supporting plate 53 cooperates with the bottom of the furnace cover 4 to enhance the sealing effect.

[0038] In order to clearly illustrate the above embodiment, in an embodiment of the present application, as shown in Figure 2 The first rotating structure 54 includes two gear rings 541, a gear 542 and a first driver 543.

[0039] The two gear rings 541 are respectively sleeved on the furnace cover 4 and rotationally connected with the corresponding ring plate 51, the gear 542 is rotationally arranged on the connecting plate 52 and is respectively connected with the two gear rings 541 in meshing, and the first driver 543 is arranged at the top of the connecting plate 52 and is connected with the gear 542.

[0040] It should be noted that the first driver 543 is a servo motor, and the connecting gear 542 drives the rotation of the servo motor.

[0041] It can be understood that the first driver 543 drives the gear 542, the gear 542 rotationally drives the gear ring 541, the gear ring 541 is sleeved on the furnace cover 4, and the rotation of the gear ring 541 drives the rotation of the furnace cover 4, so that the tightening function of the furnace cover 4 is realized.

[0042] Specifically, after the relevant staff completes the replacement of the furnace cover 4, the furnace cover 4 is lowered to reseal the nitriding furnace body 1, the first driver 543 is operated to drive the gear 542 to rotate, the gear 542 drives the gear ring 541 to rotate, and the gear ring 541 drives the furnace cover 4 to be tightened until it is pressed against the sealing supporting plate 53, so that the reinstallation of the furnace cover 4 is completed.

[0043] In an embodiment of the present application, as shown in Figure 2 and Figure 3 The switching mechanism 6 includes a branch pipe 61, a second driver 62, a square rod 63 and a second rotating structure 64.

[0044] The branch pipe 61 is inserted on the connecting seat 3, the second driver 62 is arranged at the bottom of the branch pipe 61, the square rod 63 is inserted in the branch pipe 61 and is connected with the second driver 62, the top end of the square rod 63 is connected with the connecting plate 52, and the second rotating structure 64 is arranged on the connecting seat 3 and is connected with the branch pipe 61.

[0045] It should be noted that the second driver 62 is an electric push rod, and the square rod 63 is connected and can be pushed by the electric push rod.

[0046] It can be understood that the second driver 62 pushes the square rod 63, the square rod 63 is connected with the top connecting plate 52, and the function of pushing the furnace cover 4 is realized, the second rotating structure 64 drives the square rod 63 to drive the connecting plate 52 to rotate, and then drives the furnace cover 4 to rotate to realize the switching function.

[0047] In order to clearly illustrate the above embodiment, in an embodiment of the present application, as shown in Figure 3 The second rotating structure 64 comprises a horizontal bevel gear 641, a side bevel gear 642 and a third driver 643.

[0048] The horizontal bevel gear 641 is sleeved on the branch pipe 61, the side bevel gear 642 is arranged on one side of the horizontal bevel gear 641 and is connected in meshing, the side bevel gear 642 is connected in rotation with the branch pipe 61, and the third driver 643 is arranged on the branch pipe 61 and is connected with the side bevel gear 642.

[0049] It can be understood that the third driver 643 is a servo motor, which is connected with the side bevel gear 642, the side bevel gear 642 drives the horizontal bevel gear 641 meshed on one side to rotate, the horizontal bevel gear 641 drives the branch pipe 61 to rotate, and the branch pipe 61 rotates to drive the upper furnace cover 4 to switch.

[0050] Specifically, during loading, the relevant staff operates the second driver 62 to drive the square rod 63 to lift, the square rod 63 lifts to drive the furnace cover 4 to lift and disconnect with the nitriding furnace body 1, until the loading frame 41 is also exposed, the third driver 643 is operated to drive the branch pipe 61 to rotate and drive the two furnace covers 4 to exchange positions, the switching is completed, at this time, the second driver 62 is re-operated to shrink and drive the upper furnace cover 4 to descend to reseal the nitriding furnace body 1, and the loading is completed.

[0051] In summary, the pre-evacuation vacuum nitriding furnace loading mechanism can pre-load workpieces, directly complete the loading of new workpieces to be nitrided through the switching of the furnace cover, and improve the loading speed and the processing efficiency of the nitriding furnace.

[0052] In the description of the present application, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second" can be explicitly or implicitly included at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0053] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0054] Although the embodiments of the present application have been shown and described above, it is understood that the above-described embodiments are exemplary and are not to be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and deformations to the above-described embodiments within the scope of the present application.

Claims

1. A pre-evacuated nitrogen-allocation furnace charging mechanism characterized by, Including nitrogenation furnace body, cooling tank, connecting seat, two furnace covers, connecting screwing mechanism and switching mechanism, wherein, The cooling tank is arranged on one side of the nitrogenation furnace body, and a cooling fan is arranged on the side of the cooling tank away from the nitrogenation furnace body, and a tank cover is hingedly arranged on one side of the cooling tank; The connecting seat is arranged between the nitrogenation furnace body and the cooling tank; Two furnace covers are arranged on the top of the nitrogenation furnace body and the cooling tank, respectively, and a charging rack is arranged at the bottom of the furnace cover; The connecting screwing mechanism is arranged above the connecting seat and connected with the two furnace covers, respectively; The switching mechanism is arranged on the connecting seat and connected with the connecting screwing mechanism.

2. The pre-evacuated nitrogenous furnace charging mechanism according to claim 1, wherein, The connecting screwing mechanism comprises two ring plates, a connecting plate, a sealing support plate and a first rotating structure, wherein the two ring plates are sleeved on the corresponding furnace covers, respectively, the connecting plate is arranged between the two ring plates, the sealing support plate is sleeved on the nitrogenation furnace body and located at the bottom of the furnace cover, and the first rotating structure is arranged on the connecting plate.

3. The pre-evacuated nitrogenous furnace charging mechanism according to claim 2, wherein, The first rotating structure comprises two gear rings, a gear and a first driver, wherein the two gear rings are sleeved on the furnace covers and connected with the corresponding ring plates in rotation, the gear is rotatably arranged on the connecting plate and connected with the two gear rings in meshing, respectively, and the first driver is arranged on the top of the connecting plate and connected with the gear.

4. The prevacuum nitrogen-aluminum furnace charging mechanism according to claim 2, wherein, The switching mechanism comprises a branch pipe, a second driver, a square rod and a second rotating structure, wherein the branch pipe is inserted into the connecting seat, the second driver is arranged at the bottom of the branch pipe, the square rod is inserted into the branch pipe and connected with the second driver, the top end of the square rod is connected with the connecting plate, and the second rotating structure is arranged on the connecting seat and connected with the branch pipe.

5. The prevacuum nitrogen-aluminum furnace charging mechanism according to claim 4, characterized in that, The second rotating structure comprises a horizontal bevel gear, a side bevel gear and a third driver, wherein the horizontal bevel gear is sleeved on the branch pipe, the side bevel gear is arranged on one side of the horizontal bevel gear and connected with it in meshing, the side bevel gear is rotatably connected with the branch pipe, and the third driver is arranged on the branch pipe and connected with the side bevel gear.