Miniature multicomponent alloy co-permeation furnace

By designing a micro multi-element alloy co-diffusion furnace, the problem that existing equipment is not suitable for micro materials was solved, and the rapid loading and unloading of the co-diffusion tank and uniform heating were achieved, thereby improving the co-diffusion efficiency of small batches of laboratory samples.

CN223866739UActive Publication Date: 2026-02-03CHINA RAILWAY 24TH BUREAU GRP BRIDGE & CONSTR CO LTD +1
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Patent Information

Application Number
CN202520706858.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-02-03
Estimated Expiration
2035-04-15

AI Technical Summary

Technical Problem

Existing laboratory zinc diffusion equipment is not suitable for micro-materials. Its loading and unloading structure is complex, its thermal inertia is large, and its atmosphere circulation is poor, resulting in long co-diffusion cycles, poor uniformity of the diffusion layer, and high energy consumption. It is difficult to meet the rapid iteration needs of small batches of laboratory samples.

Method used

A miniature multi-element alloy co-infiltration furnace was designed. By reducing the furnace size, optimizing the loading and unloading structure of the co-infiltration tank, and utilizing a motor and rotating shaft assembly, the rapid loading and unloading and uniform rotation of the co-infiltration tank are achieved, thereby improving the uniform heating effect of the workpiece.

Benefits of technology

It enables rapid loading and unloading of the co-infiltration tank and uniform heating of the workpiece, improves co-infiltration efficiency, and meets the needs of small-scale laboratory experiments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a miniature multicomponent alloy co-permeation furnace which comprises a furnace body, a cover plate installed on the top face of the furnace body, a controller installed on the front surface of the furnace body, a motor installed on the left side of the furnace body and a rotating shaft assembly rotationally installed on the inner side of the furnace body through a bearing. The inner wall of the furnace body and the inner wall of the cover plate are each provided with a heat preservation layer, and heating resistance wires are evenly distributed on the heat preservation layers. The rotating shaft assembly comprises a left shaft body rotationally mounted on the inner wall of the left side of the furnace body; the size of the furnace body is reduced through transformation, the device is suitable for small-batch samples in a laboratory, the loading and unloading structure of the co-permeation tank is optimized, rapid loading and unloading of the co-permeation tank are achieved, operation convenience is improved, meanwhile, the co-permeation tank is rotated in cooperation with the motor and the rotating shaft, the co-permeation tank rotates at a constant speed, workpieces in the tank can be evenly heated, and the service life of the co-permeation tank is prolonged. And therefore, the workpiece sherardizing effect is improved, the co-permeation efficiency is improved, and the small-scale experiment requirement in a laboratory is met.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of multielement alloy co -permeation equipment, and particularly relates to a micro multielement alloy co -permeation furnace. BACKGROUND

[0002] The powder zinc infiltration technology is a surface treatment process for forming a zinc-iron alloy layer on the surface of a metal by using the heat diffusion principle, and has the advantages of environmental protection, strong corrosion resistance, high hardness, low cost and the like, and is widely applied to the corrosion prevention field of steel members.

[0003] However, the existing laboratory zinc infiltration equipment has the following significant deficiencies: the existing industrial co -permeation furnace is designed for large -size workpieces, and the hearth size, loading and unloading mechanism and co -permeation tank specifications are not suitable for micro -materials (such as particles or thin sheets with a diameter of less than 10 mm), and the loading and unloading structure of the co -permeation tank is complex, and there is a problem of low loading efficiency, and at the same time, the traditional co -permeation furnace has large thermal inertia and poor atmosphere circulation, resulting in a long co -permeation cycle (usually > 8 hours) and poor uniformity of the infiltration layer (thickness deviation > ± 15%), and for small batches of laboratory samples, the equipment has high energy consumption and low efficiency, and it is difficult to meet the needs of rapid iteration experiments, and therefore the utility model provides a micro multielement alloy co -permeation furnace. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a micro multielement alloy co -permeation furnace to solve the problems in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a micro multielement alloy co -permeation furnace, comprising

[0006] The furnace body, the cover plate installed on the top surface of the furnace body, the controller installed on the front surface of the furnace body, the motor installed on the left side of the furnace body, the rotating shaft assembly rotatably installed on the inner side of the furnace body, the output end of the motor is connected with the rotating shaft assembly, the inner walls of the furnace body and the cover plate are all provided with a heat preservation layer, and the heat preservation layer is uniformly distributed with heating resistance wires;

[0007] The rotating shaft assembly comprises a left shaft body rotatably installed on the inner wall of the left side of the furnace body, a right shaft body rotatably installed on the inner wall of the right side of the furnace body, a connecting shaft installed on the left end of the right shaft body, an end shaft fixed to the left end of the connecting shaft, and a co -permeation tank installed between the left shaft body and the end shaft, the end of the end shaft and the end of the left shaft body are both fixed with a hexagonal clamping block, the two side surfaces of the co -permeation tank are both fixed with a side clamping seat, and the surface of the side clamping seat is provided with a hexagonal clamping groove for inserting the hexagonal clamping block.

[0008] Preferably, a rectangular inner sliding groove is formed in the right shaft body, a rectangular inner block is slidably arranged in the rectangular inner sliding groove, and the right end of the connecting shaft penetrates to the inner side of the rectangular inner sliding groove and is fixed with the rectangular inner block.

[0009] Preferably, a butterfly bolt is arranged on the top surface of the right shaft body, a threaded hole corresponding to the butterfly bolt is formed in the surface of the rectangular inner block, a bolt hole for the butterfly bolt to penetrate is formed in the surface of the right shaft body, and the threaded end of the butterfly bolt is screwed into the threaded hole through the bolt hole.

[0010] Preferably, a bearing one is arranged between the left end of the left shaft body and the furnace body, and a bearing two is arranged between the right end of the right shaft body and the furnace body.

[0011] Preferably, a thermocouple is further arranged on the inner wall of one side of the furnace body, and the thermocouple is connected with the controller.

[0012] Preferably, the rear end of the cover plate is connected with the rear end of the furnace body through a hinge.

[0013] Preferably, a side seat is further fixed on the left surface of the furnace body, and the motor is arranged on the top of the side seat.

[0014] Compared with the prior art, the utility model has the advantages that: the utility model discloses a furnace body size is reduced through reforming, is applicable to laboratory small batch sample, and the loading and unloading structure of the co-permeation tank is optimized, the quick loading and unloading of the co-permeation tank are realized, the operation convenience is improved, and the rotation of the co-permeation tank is realized through cooperation of the motor and the rotating shaft, so that the co-permeation tank rotates at a constant speed, the workpiece in the tank can be heated uniformly, thereby improving the zinc infiltration effect of the workpiece and improving the co-permeation efficiency, and the small-scale experimental demand in the laboratory is met. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model;

[0016] Figure 2 It is a sectional view of the utility model;

[0017] Figure 3 It is a connecting sectional view of the rotating shaft assembly and the co-permeation tank of the utility model;

[0018] Figure 4 It is a structural schematic view of the utility model Figure 3 It is a local enlarged view of area A of the utility model;

[0019] In the figure: 1, furnace body; 11, heat preservation layer; 12, heating resistance wire; 13, thermocouple; 2, cover plate; 3, motor; 4, side seat; 5, controller; 61, left shaft body; 62, right shaft body; 621, bolt hole; 63, end shaft; 64, hexagonal clamping block; 65, connecting shaft; 66, rectangular inner sliding groove; 67, rectangular inner block; 671, threaded hole; 68, butterfly bolt; 7, co-diffusion tank; 71, side clamping seat; 72, hexagonal clamping groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0021] Please refer to Figures 1 to 4 For the embodiments of the utility model, the embodiments provide a technical scheme: a micro multi-element alloy co-diffusion furnace, comprising

[0022] The furnace body 1, the cover plate 2 installed on the top surface of the furnace body 1, the controller 5 installed on the front surface of the furnace body 1, the motor 3 installed on the left side of the furnace body 1, the rotating shaft assembly rotatably installed on the inner side of the furnace body 1, the output end of the motor 3 is connected with the rotating shaft assembly, the inner walls of the furnace body 1 and the cover plate 2 are all provided with heat preservation layers 11, and the heat preservation layers 11 are uniformly distributed with heating resistance wires 12, the model of the heating resistance wires 12 is HRE Ni80Cr20-0.5mm, the motor 3 is connected with the controller 5, so that the controller 5 can control the rotating speed of the motor 3, and the heating resistance wires 12 are also connected with the controller 5, so that the controller 5 can control the heating temperature of the heating resistance wires 12;

[0023] The rotating shaft assembly comprises the left shaft body 61 rotatably installed on the inner wall of the left side of the furnace body 1, the right shaft body 62 rotatably installed on the inner wall of the right side of the furnace body 1, the connecting shaft 65 installed on the left end of the right shaft body 62, the end shaft 63 fixed on the left end of the connecting shaft 65, the co-diffusion tank 7 installed between the left shaft body 61 and the end shaft 63, the hexagonal clamping blocks 64 welded and fixed on the end of the end shaft 63 and the end of the left shaft body 61, the side clamping seats 71 fixed on the two side surfaces of the co-diffusion tank 7, and the hexagonal clamping grooves 72 provided on the surfaces of the side clamping seats 71 for inserting the hexagonal clamping blocks 64, the design of the hexagonal structure makes the left shaft body 61 rotate subsequently, drives the side clamping seat 71 and the co-diffusion tank 7 to rotate through the hexagonal clamping blocks 64, so that the co-diffusion tank 7 can rotate with the rotating shaft assembly.

[0024] In this embodiment, preferably, a rectangular inner sliding groove 66 is formed in the right shaft body 62, a rectangular inner block 67 is slidably arranged in the rectangular inner sliding groove 66, and the right end of the connecting shaft 65 penetrates to the inner side of the rectangular inner sliding groove 66 and is fixed with the rectangular inner block 67, so that the connecting shaft 65 can slide left and right, facilitating the movement of the hexagonal clamping block 64 out of the hexagonal clamping groove 72, thereby facilitating the assembly and disassembly of the co-diffusion tank 7 and the rotating shaft assembly. At the same time, due to the rectangular structure design of the rectangular inner sliding groove 66 and the rectangular inner block 67, the right shaft body 62 rotates together with the connecting shaft 65.

[0025] In this embodiment, preferably, the top surface of the right shaft body 62 is provided with a butterfly bolt 68, the surface of the rectangular inner block 67 is provided with a threaded hole 671 corresponding to the butterfly bolt 68, and the surface of the right shaft body 62 is provided with a bolt hole 621 for the butterfly bolt 68 to penetrate. The threaded end of the butterfly bolt 68 is screwed into the threaded hole 671 through the bolt hole 621, so that the butterfly bolt 68 can fix the rectangular inner block 67, ensuring the stability of the end shaft 63 during daily use and the installation stability of the co-diffusion tank 7. In the later stage, when the motor 3 starts, the left shaft body 61 will rotate, and the left shaft body 61 will rotate together with the co-diffusion tank 7, the end shaft 63, the connecting shaft 65 and the right shaft body 62. Therefore, after the motor 3 starts, the co-diffusion tank 7 can be driven to rotate uniformly in the furnace body 1, ensuring uniform heating of the workpieces in the co-diffusion tank 7. When the co-diffusion tank 7 needs to be removed, the butterfly bolt 68 is rotated and unscrewed to release the limiting of the rectangular inner block 67, then the connecting shaft 65 is slid to the right, so that the rectangular inner block 67 slides in the rectangular inner sliding groove 66, until the hexagonal clamping block 64 at the end of the end shaft 63 moves out of the hexagonal clamping groove 72, then the co-diffusion tank 7 is moved to the right, so that the hexagonal clamping block 64 at the end of the left shaft body 61 also moves out of the side clamping seat 71. The co-diffusion tank 7 can be directly taken out from the furnace body 1, and the installation is the same, thereby effectively improving the convenience of assembling and disassembling the co-diffusion tank 7.

[0026] In this embodiment, preferably, a bearing one is arranged between the left end of the left shaft body 61 and the furnace body 1, and a bearing two is arranged between the right end of the right shaft body 62 and the furnace body 1, so that the left shaft body 61 and the right shaft body 62 can rotate on the inner side of the furnace body 1.

[0027] In this embodiment, preferably, a thermocouple 13 is further installed on the inner wall of one side of the furnace body 1, the model of the thermocouple 13 is Omega TT-K-36, and the thermocouple 13 is connected with the controller 5, so that the thermocouple 13 can detect the temperature in the furnace body 1 in real time and send the temperature value to the controller 5.

[0028] In this embodiment, preferably, the rear end of the cover plate 2 is connected with the rear end of the furnace body 1 through a hinge, so that the cover plate 2 can be rotated to open, facilitating the assembly and disassembly of the co-diffusion tank 7 in the interior, and the opening of the cover plate 2 also helps the cooling of the interior of the furnace body 1.

[0029] In this embodiment, preferably, the left side surface of the furnace body 1 is further welded with a side seat 4, and the motor 3 is installed on the top of the side seat 4, and the side seat 4 is used for supporting and fixing the motor 3.

[0030] Although the embodiments of the present application have been shown and described in detail (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A micro-multi-element alloy co-infiltration furnace, characterized in that: include Furnace body (1), cover plate (2) installed on the top surface of furnace body (1), controller (5) installed on the front surface of furnace body (1), motor (3) installed on the left side of furnace body (1), and rotating shaft assembly installed on the inner side of furnace body (1) via bearings. The output end of the motor (3) is connected to the rotating shaft assembly. The inner walls of the furnace body (1) and cover plate (2) are provided with heat insulation layer (11), and heating resistance wires (12) are evenly distributed on the heat insulation layer (11). The rotating shaft assembly includes a left shaft (61) rotatably mounted on the inner wall of the left side of the furnace body (1), a right shaft (62) rotatably mounted on the inner wall of the right side of the furnace body (1), a connecting shaft (65) mounted on the left end of the right shaft (62), and an end shaft (63) fixed on the left end of the connecting shaft (65). A co-permeation tank (7) is installed between the left shaft (61) and the end shaft (63). A hexagonal locking block (64) is fixed at the end of the end shaft (63) and the end of the left shaft (61). Side locking seats (71) are fixed on both sides of the co-permeation tank (7), and a hexagonal locking groove (72) is opened on the surface of the side locking seat (71) for the hexagonal locking block (64) to be inserted.

2. The micro multi-element alloy co-infiltration furnace according to claim 1, characterized in that: A rectangular inner groove (66) is provided inside the right shaft (62), and a rectangular inner block (67) is slidably arranged inside the rectangular inner groove (66). The right end of the connecting shaft (65) passes through the inner side of the rectangular inner groove (66) and is fixed to the rectangular inner block (67).

3. A micro multi-element alloy co-infiltration furnace according to claim 2, characterized in that: The top surface of the right shaft (62) is provided with a wing bolt (68), the surface of the rectangular inner block (67) is provided with a threaded hole (671) corresponding to the wing bolt (68), the surface of the right shaft (62) is provided with a bolt hole (621) for the wing bolt (68) to pass through, and the threaded end of the wing bolt (68) is screwed into the threaded hole (671) through the bolt hole (621).

4. A micro multi-element alloy co-infiltration furnace according to claim 1, characterized in that: A bearing is provided between the left end of the left shaft (61) and the furnace body (1), and a bearing is provided between the right end of the right shaft (62) and the furnace body (1).

5. A micro multi-element alloy co-infiltration furnace according to claim 1, characterized in that: A thermocouple (13) is also installed on one side of the inner wall of the furnace body (1), and the thermocouple (13) is connected to the controller (5).

6. A micro multi-element alloy co-infiltration furnace according to claim 1, characterized in that: The rear end of the cover plate (2) is connected to the rear end of the furnace body (1) by a hinge.

7. A micro multi-element alloy co-infiltration furnace according to claim 1, characterized in that: The left side surface of the furnace body (1) is also fixed with a side seat (4), and the motor (3) is installed on the top of the side seat (4).