Permalloy magnetic core annealing equipment
The Permalloy core annealing device addresses inefficiencies in core stacking by using a movable bracket and hanging rack system for uniform heating and cooling, enhancing annealing quality and efficiency.
Patent Information
- Application Number
- CN202420899290.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-28
- Publication Date
- 2024-12-24
- Estimated Expiration
- 2034-04-28
AI Technical Summary
The stacking of Permalloy cores during annealing results in low heating and cooling efficiency for inner cores, overheating of outer cores, and significant temperature differences, leading to poor annealing quality.
A Permalloy core annealing device with a heat insulation box, movable bracket, and hanging rack system that allows for even placement and uniform heating of cores, facilitated by a rotating mechanism and universal wheels for efficient core handling.
Ensures uniform heating and quick cooling of Permalloy cores, improving annealing efficiency and quality by preventing overheating and temperature discrepancies.
Smart Images
Figure CN222226447U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metal workpiece annealing equipment, in particular to a Permalloy core annealing equipment. Background Art
[0002] Permalloy is a special magnetic material, commonly used in the manufacture of electronic components such as inductors, transformers, and magnetic cores. Annealing is a heat treatment process that can improve the structure and performance of materials. Annealing Permalloy cores can eliminate stress inside the material and improve its magnetic properties and stability.
[0003] Annealing of Permalloy cores usually includes the following steps:
[0004] Heating: Place the Permalloy core in a heat treatment furnace at a suitable temperature to heat it to the annealing temperature. Insulation: After reaching the annealing temperature, keep it for a certain period of time to allow the internal structure of the core to change and relieve stress. Cooling: Take the core out of the heat treatment furnace and cool it appropriately to stabilize its internal structure. Through the correct annealing process, the magnetic properties and stability of the Permalloy core can be improved, which helps to improve the performance and reliability of electronic components. In actual production, the parameters of the annealing process (such as temperature and insulation time) need to be adjusted according to the specific material and product requirements to ensure the best effect.
[0005] When a large number of Permalloy cores are placed in an annealing furnace, the Permalloy cores are piled up on each other during heating and cooling, resulting in low heating and cooling efficiency of the Permalloy cores on the inside, causing the Permalloy cores on the outside to be overheated. The annealing temperature difference is large, resulting in poor annealing quality of the Permalloy cores. Therefore, we propose a Permalloy core annealing device. Utility Model Content
[0006] The utility model aims to provide a Permalloy core annealing device to solve the problem proposed in the above background technology that due to the mutual stacking of Permalloy cores, the heating and cooling efficiency of the Permalloy cores located on the inner side is low, the Permalloy cores on the outer side are overheated, the annealing temperature difference is large, and the annealing quality of the Permalloy cores is poor.
[0007] To achieve the above object, the utility model provides the following technical solution: a permalloy core annealing device, comprising:
[0008] A heat insulation box, wherein a heat insulation door frame is rotatably provided on the surface of the heat insulation box, a guide plate is fittedly installed on the outer wall of the heat insulation box, and a heating furnace for heating the magnetic core is installed on the outer wall of the heat insulation box;
[0009] A movable bracket, wherein the movable bracket can be moved into the heat insulation box;
[0010] The hanging rack is rotatably mounted on the inner side of the movable bracket and is used for evenly and separately placing the magnetic cores.
[0011] Preferably, the movable bracket includes parallel fixed bars, and support bars are fixed between the surface ends of the fixed bars, through rods are rotatably arranged between the top side walls of the support bars, parallel fixed bars are fixed to the outer periphery of the through rods, rotating rings are fixed between the ends of the fixed bars, the hanging rack is fitly installed between the side walls of the rotating rings, and symmetrically arranged universal wheels are installed at the bottom of the fixed bars.
[0012] Preferably, the hanging rack includes an inner ring fixed to the inner wall of the movable bracket, and hanging rods distributed in a circular array are inserted between the side walls of the inner ring. A limit ring is rotatably arranged on the outer periphery of the hanging rod, and a connecting strip with an inverted V-shaped cross-section is fixed to the bottom of the limit ring, and a magnetic core placement plate is fixed between the bottoms of the connecting strips.
[0013] Preferably, the cross section of the fixing rod is cross-shaped.
[0014] Preferably, an end heat insulation board is fitted on the end of the heating furnace.
[0015] Preferably, the side cross-section of the guide plate is configured as a right-angled triangle.
[0016] Preferably, a handle is fitted onto the outer wall of the heat-insulating door frame.
[0017] Preferably, the handle has a U-shaped cross section.
[0018] Compared with the prior art, the beneficial effects of the utility model are:
[0019] 1. The utility model provides a movable bracket, which facilitates the removal of batches of magnetic cores from the heat insulation box during the core annealing operation. After the magnetic cores are heated, the magnetic cores can be quickly taken out of the heat insulation box for cooling, thereby greatly improving the annealing efficiency of the magnetic cores.
[0020] 2. The utility model provides a hanging rack and a movable bracket, so that the magnetic cores can be evenly spread out and placed on the surface of the magnetic core placement plate when placing the magnetic cores, and a driving device is added to facilitate the hanging rack to rotate inside the movable bracket, so that the magnetic cores placed on multiple hanging racks can be in uniform contact with the heat source, thereby ensuring the heating effect of the magnetic cores, thereby ensuring the annealing quality of the magnetic cores. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 It is a structural schematic diagram of the mobile bracket of the utility model;
[0023] Figure 3 It is a structural schematic diagram of the hanging rack of the utility model;
[0024] Figure 4 It is a structural schematic diagram of the magnetic core placement plate of the utility model.
[0025] In the figure: 1. heat insulation box; 2. heat insulation door frame; 3. heating furnace; 4. end heat insulation board; 5. handle; 6. guide plate; 7. support bar; 8. fixing bar; 9. universal wheel; 10. through rod; 11. fixing rod; 12. rotating ring; 13. inner ring; 14. hanging rod; 15. limiting ring; 16. connecting bar; 17. magnetic core placement plate. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] Example
[0028] See also Figure 1-Figure 4 The figure shows a Permalloy core annealing device, comprising a heat insulation box 1, a heat insulation door frame 2 is rotatably provided on the surface of the heat insulation box 1, a handle 5 is fitted on the outer wall of the heat insulation door frame 2, and the cross-section of the handle 5 is U-shaped, a guide plate 6 is fitted on the outer wall of the heat insulation box 1, and the side cross-section of the guide plate 6 is a right-angled triangle shape, a heating furnace 3 for heating the magnetic core is installed on the outer wall of the heat insulation box 1, a movable bracket, the movable bracket can be moved into the heat insulation box 1, and a hanging rack is rotatably installed on the inner side of the movable bracket for evenly separating and placing the magnetic cores, and an end heat insulation board 4 is fitted on the end of the heating furnace 3.
[0029] The movable bracket can be conveniently pushed into the inner side of the heat insulation box 1 through the guide plate 6, and the hanging rack is rotatably arranged inside the movable bracket. The movable bracket can be controlled to move into the heat insulation box 1 and then drive the hanging rack to rotate at a uniform speed by installing a driving device on the side wall of the heat insulation box 1.
[0030] Furthermore, the movable bracket includes fixed bars 8 arranged in parallel, and support bars 7 are fixed between the surface ends of the fixed bars 8, a through rod 10 is rotatably arranged between the top side walls of the support bars 7, and a fixed bar 11 arranged in parallel is fixed to the outer periphery of the through rod 10, and the cross-sectional structure of the fixed rod 11 is a cross shape, and a rotating ring 12 is fixed between the ends of the fixed rod 11, and the hanging rack is fittedly installed between the side walls of the rotating ring 12, and symmetrically arranged universal wheels 9 are installed at the bottom of the fixed bars 8.
[0031] The movable bracket can be connected as a whole through the support bar 7 and the through rod 10, thereby facilitating the overall pushing and moving of the movable bracket.
[0032] Furthermore, the hanging rack includes an inner ring 13 which is fixed to the inner wall of the movable bracket, and hanging rods 14 distributed in a circular array are inserted between the side walls of the inner ring 13. A limit ring 15 is rotatably arranged on the outer periphery of the hanging rod 14, and a connecting strip 16 with an inverted V-shaped cross section is fixed to the bottom of the limit ring 15, and a magnetic core placement plate 17 is fixed between the bottoms of the connecting strips 16.
[0033] After the magnetic core is placed on the surface of the magnetic core placement plate 17, the magnetic core placement plate 17 can be kept in a horizontal state at all times under the action of the gravity of the magnetic core.
[0034] It should be noted that the utility model is a Permalloy core annealing device, which spreads the magnetic cores separately on the surface of the magnetic core placement plate 17, and keeps the magnetic core placement plate 17 in a horizontal state. After the magnetic cores are placed, the movable bracket is pushed into the thermal insulation box 1 through the support bar 7 and the universal wheel 9, and then the thermal insulation door frame 2 is closed, and the heating furnace 3 is started to heat the magnetic cores on the hanging rack. When the hanging rack rotates together with the rotating ring 12 under the drive of the driving device, the magnetic core can be evenly and comprehensively heated by the heating furnace 3. After heating to a certain temperature, the thermal insulation door frame 2 is opened and the movable bracket is pulled out from the inside of the thermal insulation box 1 by tools such as pull rods, and then the magnetic core can be quickly cooled. At the same time, the newly placed magnetic core continues to be pushed into the thermal insulation box 1. At this time, the residual heat in the thermal insulation box 1 is not completely dissipated. Repeat the above operation to achieve high-efficiency annealing operation of the magnetic core.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A Permalloy core annealing device, characterized in that: include: A heat insulation box (1), wherein a heat insulation door frame (2) is rotatably provided on the surface of the heat insulation box (1), a guide plate (6) is fittedly mounted on the outer wall of the heat insulation box (1), and a heating furnace (3) for heating the magnetic core is mounted on the outer wall of the heat insulation box (1); A movable bracket, wherein the movable bracket can be moved into the heat insulation box (1); The hanging rack is rotatably mounted on the inner side of the movable bracket and is used for evenly and separately placing the magnetic cores.
2. A Permalloy core annealing device according to claim 1, characterized in that: The movable bracket comprises fixed bars (8) arranged in parallel, and support bars (7) are fixed between the surface ends of the fixed bars (8), a through rod (10) is rotatably arranged between the top side walls of the support bars (7), a fixed bar (11) arranged in parallel is fixed to the outer periphery of the through rod (10), a rotating ring (12) is fixed between the ends of the fixed bar (11), the hanging rack is fitted between the side walls of the rotating ring (12), and symmetrically arranged universal wheels (9) are installed at the bottom of the fixed bars (8).
3. The permalloy core annealing equipment according to claim 1, characterized in that: The hanging rack comprises an inner ring (13) fixedly attached to the inner wall of the movable bracket, hanging rods (14) distributed in a circular array are inserted between the side walls of the inner ring (13), a limit ring (15) is rotatably arranged on the outer periphery of the hanging rod (14), and a connecting strip (16) with an inverted V-shaped cross section is fixed at the bottom of the limit ring (15), and a magnetic core placement plate (17) is fixed between the bottoms of the connecting strips (16).
4. The permalloy core annealing equipment according to claim 2, characterized in that: The cross section of the fixing rod (11) is in the shape of a cross.
5. The permalloy core annealing equipment according to claim 1, characterized in that: An end heat insulation board (4) is fitted onto the end of the heating furnace (3).
6. The permalloy core annealing equipment according to claim 1, characterized in that: The side-view cross-section of the guide plate (6) is configured in the shape of a right-angled triangle.
7. The permalloy core annealing equipment according to claim 1, characterized in that: A handle (5) is fitted onto the outer wall of the heat-insulating door frame (2).
8. The permalloy core annealing equipment according to claim 7, characterized in that: The handle (5) has a U-shaped cross section.