Sintering furnace for ferrite cores

Abstract

This utility model belongs to the field of magnetic core sintering, specifically relating to a sintering furnace for ferrite magnetic cores. It includes a sintering furnace, a transport device, a support device, and a drive device. The sintering furnace is a vertical structure with an open bottom. The top of the transport device is equipped with a furnace cover, which can move up and down under the drive of the transport device. The support device is slidably mounted on the furnace cover and placed inside the sintering furnace. The support device has a foldable bracket structure for storing ferrite magnetic cores. A groove is formed on the upper surface of the furnace cover, and the folded bracket structure is placed in the groove. The drive device is fixedly connected to the lower part of the furnace cover and connected to the support device. This device is suitable for magnetic cores sintered in two ways: when the support device is folded, stacked magnetic cores can be sintered; when the structure is open, magnetic cores that need to be placed individually can be sintered.

Description

Technical Field

[0001] This utility model relates to the field of sintering furnace for ferrite cores. Background Technology

[0002] Ferrite cores, as important magnetic components, are widely used in electronics, communications, and power industries. Their performance directly affects the efficiency and stability of electronic devices, and the sintering process is a key factor determining the performance of ferrite cores. Currently, ferrite core sintering typically employs box-type or tunnel-type sintering furnaces, using high-temperature treatment to densify the cores and optimize their magnetic properties. If existing cores require stacking before sintering, zirconium powder must be laid between the cores, or each core must be placed on an independent support for separation. Both methods aim to prevent the cores from sticking together during sintering. High-quality cores are stored individually, while large batches requiring one-time sintering are stacked. However, the sintering furnace structure is limited, preventing flexible selection between these two methods.

[0003] Therefore, in order to solve the above-mentioned problems, a sintering furnace for ferrite cores is proposed. Utility Model Content

[0004] This invention addresses the problems mentioned above by designing a sintering furnace for ferrite cores. This device is applicable to cores sintered in two ways: stacked cores can be sintered when the support device is folded, and cores that need to be placed separately can be sintered when the structure is opened directly.

[0005] To achieve the above objectives, this utility model provides a sintering furnace for ferrite cores, comprising: a sintering furnace, a transport device, a support device, and a drive device. The sintering furnace is a vertical structure with an open bottom. The top of the transport device is provided with a furnace cover of the sintering furnace. The furnace cover can move up and down under the drive of the transport device. The support device is slidably disposed on the furnace cover and placed inside the sintering furnace. The support device is provided with a foldable bracket structure for storing ferrite cores. A groove is formed on the upper surface of the furnace cover, and the folded bracket structure is placed in the groove. The drive device is fixedly connected to the lower part of the furnace cover and connected to the support device.

[0006] Using the above method, the support structure can be folded and placed in the groove. At this time, the top of the furnace cover is flat, and the magnetic cores can be stacked on top and pushed into the furnace for sintering. When the support structure is opened, the magnetic cores can be placed individually in each area for sintering.

[0007] Furthermore, the support structure on the support device includes a support rod, a top plate, and a sleeve plate. The support rod is slidably connected to the furnace cover, and the top plate is fixedly connected to the top end of the support rod. The sleeve plate has a concave structure, and several sleeve plates are fitted onto the support rod from bottom to top and can slide up and down. The lower sleeve plates can all be placed in the concave structure of the upper sleeve plate. The top plate and the lower sleeve plates are sequentially provided with lifting structures from top to bottom. The driving device is connected to the support rod.

[0008] In this way, the sleeve plates can be interlocked with each other, and the uppermost sleeve plate can be interlocked inside the top plate. The separation and merging of the sleeve plates are achieved by the rising and falling of the support rod.

[0009] Furthermore, the lifting structure in the support device includes fixing pins and pull ropes. There are several fixing pins, which are arranged on the sides of the top plate and the sleeve plate. A pull rope of a fixed length is arranged between adjacent fixing pins.

[0010] In this way, when the support rod rises, it can automatically pull up the lower sleeve plate.

[0011] Furthermore, the support device also includes a number of support cylinders, which are provided between the sleeve plates and between the sleeve plates and the furnace cover.

[0012] Furthermore, the support cylinder includes a semi-circular plate and a positioning cylinder. There are two semi-circular plates, one end of which is rotatably connected, and the other end is provided with the positioning cylinders that are staggered vertically. A pin is inserted between the positioning cylinders.

[0013] In this way, the support cylinder provides support for the sleeve plate, ensuring stability and preventing movement when the magnetic core is placed.

[0014] Furthermore, the transport device includes a linear drive unit and a base, the linear drive unit being mounted on the base, and the top of the linear drive unit being connected to the furnace cover.

[0015] Furthermore, an arc-shaped positioning plate is provided at the bottom of the furnace cover, the arc-shaped positioning plate being in contact with the side wall of the support rod and opposite to the driving device.

[0016] Furthermore, a limiting strip is provided on the furnace cover, and a limiting groove is formed on the side wall of the support rod, with the limiting strip slidably connected in the limiting groove.

[0017] In summary, this utility model has the following advantages and beneficial technical effects:

[0018] 1. The present invention provides a sintering furnace for ferrite cores that is applicable to cores sintered in two ways: when the support device is folded, stacked cores can be sintered; when the structure is opened directly, cores that need to be placed separately can be sintered.

[0019] 2. This utility model enables the automatic lifting of the sleeve plate via a pull rope, making it more convenient and automated to use;

[0020] 3. The support cylinder of this utility model can support the sleeve plate, making the structure more stable under stress and achieving a better support effect. Attached Figure Description

[0021] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1 This is a schematic diagram of the structure of a sintering furnace for ferrite cores according to this utility model;

[0023] Figure 2 This is a schematic diagram of the folded state of a sintering furnace for ferrite cores according to this utility model.

[0024] Figure 3 This is a schematic diagram of the structure of a support cylinder for a sintering furnace for ferrite cores according to this utility model;

[0025] Figure 4 This is a utility model Figure 1 Enlarged view of A in the middle;

[0026] Figure 5 This is a utility model Figure 1 A magnified view of B in the middle.

[0027] The reference numerals in the attached figures are:

[0028] 1-Sintering furnace; 2-Conveying device; 21-Furnace cover; 211-Limiting strip; 22-Linear drive device; 23-Base; 24-Groove;

[0029] 3-Support device; 31-Support rod; 311-Limiting groove; 32-Top plate; 33-Sleeve plate; 34-Support cylinder; 341-Semicircular plate; 342-Positioning cylinder; 35-Fixing pin; 36-Pull rope;

[0030] 4-Drive device; 41-Motor; 42-Gear;

[0031] 5-Arc-shaped positioning plate. Detailed Implementation

[0032] The following is in conjunction with the appendix Figures 1-5The present invention will be further described in detail below. Examples of embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0033] In the description of this utility model, unless otherwise explicitly specified and limited, the terms "connected," "linked," and "fixed" should be interpreted broadly. For example, they can refer to a fixed connection or a detachable connection; a mechanical connection or an electrical connection; a direct connection or an indirect connection through an intermediate medium; or the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used solely for ease of description and simplification of operation, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are merely used for descriptive distinction and have no special meaning. All parts and equipment use conventional models found in the prior art, and the circuit connections employ conventional connection methods found in the prior art, which will not be detailed here. Content not described in detail in this specification belongs to prior art known to those skilled in the art.

[0035] like Figure 1 , Figure 2 and Figure 4 As shown, it includes: a sintering furnace 1, a conveying device 2, a supporting device 3, and a driving device 4. The sintering furnace 1 is a vertical structure with an open bottom. The top of the conveying device 2 is provided with a furnace cover 21 of the sintering furnace 1. The furnace cover 21 can move up and down under the drive of the conveying device 2. The supporting device 3 is slidably disposed on the furnace cover 21 and placed inside the sintering furnace 1. The supporting device 3 is provided with a foldable bracket structure for storing ferrite cores. The upper surface of the furnace cover 21 is provided with a groove 24. The folded bracket structure is placed in the groove 24. The driving device 4 is fixedly connected to the lower part of the furnace cover 21 and connected to the supporting device 3.

[0036] like Figure 1 , Figure 2 and Figure 4As shown, the support structure on the support device 3 includes a support rod 31, a top plate 32, and a sleeve plate 33. A through hole is provided in the center of the furnace cover 21. The support rod 31 is slidably connected to the furnace cover 21. A limiting strip 211 is integrally formed inside the through hole of the furnace cover 21. A limiting groove 311 is provided on the side wall of the support rod 31, and the limiting strip 211 is slidably connected in the limiting groove 311. This limiting strip is used to limit the movement of the support rod 31 when it slides up and down. The top plate 32 is fixedly connected to the top of the support rod 31 by bolts. The sleeve plate 33 has a concave structure. Several sleeve plates 33 are fitted onto the support rod 31 from bottom to top and can slide up and down. The lower sleeve plates 33 can all be placed in the concave structure of the upper sleeve plates 33. A lifting structure is sequentially provided between the top plate 32 and the lower sleeve plate 33 from top to bottom. The drive device 4 is connected to the support rod 31. The drive unit 4 includes a motor 41 and a gear 42. A rack-shaped structure is provided on the side of the support rod 31. The motor 41 drives the gear 42 to rotate, and the gear 42 drives the support rod 31 to rise and fall via the rack. An arc-shaped positioning plate 5 is vertically installed at the bottom of the furnace cover 21 via bolts. The arc-shaped positioning plate 5 is connected to the side wall of the support rod 31 and is opposite to the drive unit 4. When the motor 41 drives the support rod 31 to slide, the arc-shaped positioning plate 5 provides support on the other side, preventing the support rod 31 from shifting.

[0037] like Figure 1 and Figure 5 As shown, the lifting structure in the support device 3 includes fixing pins 35 and pull ropes 36. There are several fixing pins 35, which are bolted to the sides of the top plate 32 and the sleeve plate 33. A pull rope 36 of fixed length is provided between adjacent upper and lower fixing pins 35. The pull ropes 36 are made of high-temperature resistant materials, such as steel wire rope.

[0038] like Figure 1 and Figure 3 As shown, the support device 3 also includes several support cylinders 34. Support cylinders 34 are provided between the sleeve plates 33 and between the sleeve plates 33 and the furnace cover 21. Each support cylinder 34 includes a semi-circular plate 341 and a positioning cylinder 342. There are two semi-circular plates 341, one end of which is rotatably connected by a hinge, and the other end is provided with staggered positioning cylinders 342. A pin is inserted between the positioning cylinders 342. By opening the two semi-circular plates 341, fitting the support cylinder 34 between the support rods 31, closing the two semi-circular plates 341, and inserting the pin between the positioning cylinders 342, the support cylinder 34 can be locked.

[0039] The transport device 2 includes a linear drive device 22 and a base 23. The linear drive device 22 is bolted to the base 23, and the top of the linear drive device 22 is bolted to the furnace cover 21. The linear drive device 22 is an electric telescopic rod. The bottom of the base 23 can be equipped with casters or connected by an electric slide rail, which can drive the transport device 2 to move. After the magnetic core on the transport device 2 is filled, the drive structure at the bottom moves the transport device 2 to the lower part of the sintering furnace 1, and then the linear drive device 22 pushes the furnace cover 21 and the upper magnetic core into the interior of the sintering furnace 1 for sintering.

[0040] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A sintering furnace for ferrite cores, characterized by comprising: include: The sintering furnace (1), the transport device (2), the support device (3) and the drive device (4) are provided. The sintering furnace (1) is a vertical structure with an opening at the bottom. The top of the transport device (2) is provided with the furnace cover (21) of the sintering furnace (1). The furnace cover (21) can move up and down under the drive of the transport device (2). The support device (3) is slidably disposed on the furnace cover (21) and placed inside the sintering furnace (1). The support device (3) is provided with a foldable bracket structure for storing ferrite cores. The upper surface of the furnace cover (21) is provided with a groove (24). The folded bracket structure is placed in the groove (24). The drive device (4) is fixedly connected to the lower part of the furnace cover (21) and connected to the support device (3).

2. The sintering furnace for a ferrite core according to claim 1, characterized by The support structure on the support device (3) includes a support rod (31), a top plate (32), and a sleeve plate (33). The support rod (31) is slidably connected to the furnace cover (21). The top plate (32) is fixedly connected to the top of the support rod (31). The sleeve plate (33) has a concave structure. Several sleeve plates (33) are sleeved on the support rod (31) from bottom to top and can slide up and down. The lower sleeve plates (33) can be placed in the concave structure of the upper sleeve plate (33). The top plate (32) and the lower sleeve plate (33) are sequentially provided with lifting structures from top to bottom. The driving device (4) is connected to the support rod (31).

3. The sintering furnace for a ferrite core according to claim 2, characterized by The lifting structure in the support device (3) includes a fixing pin (35) and a pull rope (36). There are several fixing pins (35), which are located on the side of the top plate (32) and the sleeve plate (33). A pull rope (36) of a fixed length is provided between adjacent fixing pins (35) above and below.

4. The sintering furnace for a ferrite core according to claim 2, characterized by The support device (3) also includes a support cylinder (34), and there are several support cylinders (34). The support cylinders (34) are provided between the sleeve plates (33) and between the sleeve plates (33) and the furnace cover (21).

5. The sintering furnace for a ferrite core according to claim 4, characterized by The support cylinder (34) includes a semi-circular plate (341) and a positioning cylinder (342). There are two semi-circular plates (341), one end of which is rotatably connected, and the other end is provided with the positioning cylinders (342) that are staggered vertically. A pin is inserted between the positioning cylinders (342).

6. The sintering furnace for a ferrite core according to claim 1, characterized by The transport device (2) includes a linear drive device (22) and a base (23), the linear drive device (22) is mounted on the base (23), and the top of the linear drive device (22) is connected to the furnace cover (21).

7. The sintering furnace for a ferrite core according to claim 2, wherein The bottom of the furnace cover (21) is provided with an arc-shaped positioning plate (5), which is in contact with the side wall of the support rod (31) and is opposite to the drive device (4).

8. The sintering furnace for a ferrite core according to claim 2, characterized by The furnace cover (21) is provided with a limiting strip (211), and the side wall of the support rod (31) is provided with a limiting groove (311). The limiting strip (211) is slidably connected in the limiting groove (311).

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