Bell furnace for sintering soft magnetic ferrite material

Abstract

The utility model discloses a bell jar furnace for sintering soft magnetic ferrite material, which comprises a base, the top of the base is provided with a processing mechanism for sintering the soft magnetic ferrite material, the processing mechanism comprises a sintering assembly, the sintering assembly comprises a furnace bottom fixedly connected with the top of the base, the top of the base is fixedly connected with a pair of vertical plates, sliding grooves are formed in the pair of vertical plates, a furnace cover is slidably connected into the set of sliding grooves through a set of sliding blocks, and a lifting assembly used for driving the furnace cover to ascend and descend is arranged on the base. The utility model relates to the technical field of bell-type furnaces, in particular to a circulating assembly which comprises a square pipe communicated with the top of a furnace cover. According to the bell-type furnace for sintering the soft magnetic ferrite material, the problems that in the prior art, when a bell-type furnace is usually used for producing soft magnetic ferrite by adopting a powder sintering method, dust can be possibly generated, and if the dust is not treated, the surface quality and the magnetic performance of the soft magnetic ferrite material can be influenced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of bell-shaped furnaces, in particular to a bell-shaped furnace used for sintering soft magnetic ferrite materials. Background Art

[0002] A bell-shaped furnace is a type of heat treatment equipment used for high-temperature sintering and heat treatment processes. Its name comes from its unique structure. The furnace body typically consists of a cylindrical base and a bell-shaped or hood-shaped cover that moves up and down. This design allows the cover to cover the furnace body like a bell, creating an enclosed heating chamber. Bell-shaped furnaces are often used for sintering soft ferrite materials.

[0003] Existing bell-shaped furnaces also have the following problems. Reference publication number CN214308150U discloses a bell-shaped furnace comprising a furnace body, a kiln car, an air intake system, and an exhaust system. The furnace body comprises a furnace chamber, the top of which is provided with a heating rod mounted by a hoisting method. The air intake system comprises a plurality of air inlets located at the upper portion of the furnace chamber and connected to the furnace chamber, with any two air inlets arranged in a staggered manner so as not to face each other. The exhaust system comprises one or more exhaust ports located at the lower portion of the furnace chamber and connected to the furnace chamber. This bell-shaped furnace has the advantages of simple structure, ease of implementation, low implementation cost, good atmosphere and temperature uniformity, and high heating efficiency.

[0004] However, the above technology cannot solve the problem in the prior art that dust may be generated when a powder sintering method is usually adopted to produce soft ferrite in a bell furnace. If the dust is not processed, the surface quality and magnetic properties of the soft ferrite material will be affected. Therefore, the utility model provides a bell furnace for sintering soft ferrite materials. Utility Model Content

[0005] In response to the shortcomings of the existing technology, the utility model provides a bell-shaped furnace for sintering soft ferrite materials, which solves the problem in the existing technology that dust may be generated when the bell-shaped furnace usually adopts the powder sintering method to produce soft ferrite. If the dust is not treated, it will affect the surface quality and magnetic properties of the soft ferrite material.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A bell-shaped furnace for sintering soft ferrite materials, comprising a base, a processing mechanism for sintering soft ferrite materials is provided on the top of the base, and the processing mechanism includes:

[0007] The sintering assembly includes a furnace bottom fixed to the top of the base, a pair of vertical plates fixed to the top of the base, each of the pair of vertical plates is provided with a sliding groove, a furnace cover is slidably connected to one set of the sliding grooves via a set of sliding blocks, and a lifting assembly for driving the furnace cover to rise and fall is provided on the base;

[0008] A circulation assembly includes a square tube connected to the top of the furnace cover, the square tube having a retaining groove, a concave plate fixed by a retaining assembly disposed in the retaining groove, an activated carbon plate disposed between opposite side walls of the concave plate, and L-shaped tubes connected to both sides of the other end of the square tube, with the other ends of the pair of L-shaped tubes being connected to the top of the furnace cover;

[0009] The conveying component is arranged on the square tube and is used for conveying the air inside the furnace cover.

[0010] Preferably, the locking assembly includes a fixed block fixed on the square tube, the fixed block is slidably connected to a sliding rod through a sliding hole, and the bottom of the fixed block is fixed to a pair of locking rods through a pair of first springs.

[0011] Preferably, a connecting block is fixed to the bottom of the sliding rod, and two sides of the connecting block are respectively fixed to a pair of side walls of the locking rod, and a pair of locking holes are opened on the concave plate.

[0012] Preferably, a valve body is fixedly connected to the square tube, an inner cavity is opened in the valve body, and the inner cavity is connected to the square tube, a group of air leakage holes are opened on the valve body, an iron core is arranged in the inner cavity, and the top of the iron core is connected to the inner cavity through a second spring.

[0013] Preferably, a pressure rod is fixed to the top of the iron core, and the pressure rod passes through the top of the valve body and is slidably connected to the valve body. An electric telescopic rod is fixed to the top of the square tube, and the telescopic end of the electric telescopic rod is fixed to a support block, and the top of the pressure rod is fixed to the bottom of the support block.

[0014] Preferably, the conveying assembly includes a driving rod rotatably connected to one end of a square tube through a rotating hole, a motor is fixedly connected to one end of the square tube through an L-shaped rod, the output end of the motor is drivingly connected to one end of the driving rod, a fan blade is fixed to the top of the driving rod, and the fan blade is located inside the square tube.

[0015] Beneficial effects

[0016] The utility model provides a bell-shaped furnace for sintering soft ferrite materials. Compared with the prior art, it has the following advantages:

[0017] (1) A bell-shaped furnace for sintering soft ferrite materials is provided with a motor to drive the fan blades to rotate, thereby circulating the air inside the bell-shaped furnace, so that dust particles can be filtered through the activated carbon plate and then transported to the bell-shaped furnace through a pair of L-shaped tubes, thereby avoiding the problem that the raw material powder may generate dust due to the high temperature during the sintering process. If the dust is not treated, it will pollute the environment and may also be deposited on the surface of the material, affecting its magnetic properties.

[0018] (2) The bell-shaped furnace for sintering soft ferrite materials can release pressure in a group of vent holes by driving the pressure rod to move up and down and thereby driving the iron core to move up and down when the pressure in the furnace cover is too high through the electric telescopic rod. The valve body can prevent the pressure in the furnace from exceeding the safety limit, avoid the furnace body or pipeline from rupture due to excessive pressure, thereby protecting the safety of equipment and operators. Appropriate pressure control helps to maintain the stability of the sintering process, thereby ensuring the quality and performance of the product. The pressure relief is located at the horizontal top of the square tube 7, which can prevent dust particles from mixing into the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of a square tube of the present utility model;

[0021] Figure 3 This is an exploded view of the concave plate of the present utility model;

[0022] Figure 4 This is a cross-sectional view of the valve body of the present utility model;

[0023] Figure 5 This is a schematic diagram of the fan blade of the present invention.

[0024] In the figure: 1. Base; 2. Furnace bottom; 3. Vertical plate; 4. Sliding groove; 5. Furnace hood; 6. Lifting assembly; 7. Square tube; 8. Positioning groove; 9. Concave plate; 10. Activated carbon plate; 11. L-shaped tube; 12. Fixed block; 13. Sliding rod; 14. Positioning rod; 15. Connecting block; 16. Positioning hole; 17. Valve body; 18. Inner cavity; 19. Vent hole; 20. Iron core; 21. Pressure rod; 22. Electric telescopic rod; 23. Support block; 24. Drive rod; 25. Motor; 26. Fan blade. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] See also Figure 1-5The utility model provides a technical solution: a bell-shaped furnace for sintering soft magnetic ferrite materials, comprising a base 1, and a processing mechanism for sintering soft magnetic ferrite materials is arranged on the top of the base 1. The processing mechanism comprises: a sintering assembly, comprising a furnace bottom 2 fixed to the top of the base 1, a pair of vertical plates 3 fixed to the top of the base 1, a pair of vertical plates 3 are each provided with a sliding groove 4, a group of sliding grooves 4 are slidably connected to the furnace cover 5 by a group of sliding blocks, and a lifting assembly 6 is provided on the base 1 for driving the furnace cover 5 to rise and fall; a circulation assembly, comprising a square tube 7 connected to the top of the furnace cover 5, a clamping groove 8 is opened on the square tube 7, a concave plate 9 fixed by the clamping assembly is provided in the clamping groove 8, an activated carbon plate 10 is arranged between the opposite side walls of the concave plate 9, and an L-shaped tube 11 is connected to the other two sides of the square tube 7, and the other ends of the pair of L-shaped tubes 11 are connected to the top of the furnace cover 5; a conveying assembly, arranged on the square tube 7, is used to convey air inside the furnace cover 5, and the clamping assembly comprises a square tube 7 The fixed block 12 is fixed on the tube 7, and the fixed block 12 is slidably connected to the sliding rod 13 through the sliding hole. The bottom of the fixed block 12 is fixedly connected to a pair of blocking rods 14 by a pair of first springs. The bottom of the sliding rod 13 is fixedly connected to a connecting block 15. The two sides of the connecting block 15 are respectively fixed to the side walls of a pair of blocking rods 14. A pair of blocking holes 16 are provided on the concave plate 9. The conveying assembly includes a driving rod 24 that is rotatably connected at one end of the square tube 7 through a rotating hole, and a motor 25 is fixed to one end of the square tube 7 through an L-shaped rod. The output end of the motor 25 is driven and connected to one end of the driving rod 24. A fan blade 26 is fixed to the top of the driving rod 24, and the fan blade 26 is located in the square tube 7; the fan blade 26 is driven to rotate by the provided motor 25, so that the air inside the bell-shaped furnace can be circulated, so that the dust particles can be filtered through the activated carbon plate 10, and then transported to the bell-shaped furnace through a pair of L-shaped tubes 11, thereby avoiding the possibility of dust generation due to high temperature during the sintering process. If these dusts are not treated, they will pollute the environment and may also be deposited on the surface of the material, affecting its magnetic properties.

[0027] In this embodiment, a valve body 17 is fixed to the square tube 7, an inner cavity 18 is opened in the valve body 17, and the inner cavity 18 is communicated with the square tube 7, a group of air leakage holes 19 are opened on the valve body 17, an iron core 20 is provided in the inner cavity 18, the top of the iron core 20 is connected to the inner cavity 18 by a second spring, a pressure rod 21 is fixed to the top of the iron core 20, and the pressure rod 21 passes through the top of the valve body 17 and is slidably connected to the valve body 17, an electric telescopic rod 22 is fixed to the top of the square tube 7, the telescopic end of the electric telescopic rod 22 is fixed to the support block 23, and the top of the pressure rod 21 is fixed to the support block 2 3 bottom; when the pressure in the furnace cover 5 is too high, the electric telescopic rod 22 can drive the pressure rod 21 to rise and fall, thereby driving the iron core 20 to rise and fall, thereby releasing pressure in a group of vent holes 19. The valve body 17 can prevent the pressure in the furnace from exceeding the safety limit, avoiding the rupture of the furnace body or pipeline due to excessive pressure, thereby protecting the safety of equipment and operators. Appropriate pressure control helps to maintain the stability of the sintering process, thereby ensuring the quality and performance of the product. The pressure relief is located at the horizontal top of the square tube 7, which can prevent dust particles from mixing into the air.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] During operation, the fan blades 26 are driven to rotate by the motor 25, so that the air inside the bell-shaped furnace can be circulated, so that the dust particles can be filtered through the activated carbon plate 10, and then transported to the bell-shaped furnace through a pair of L-shaped tubes 11, thereby avoiding the generation of dust from the raw material powder due to the high temperature during the sintering process. If these dusts are not treated, they will pollute the environment and may also be deposited on the surface of the material, affecting its magnetic properties. When the pressure in the furnace cover 5 is too high, the electric telescopic rod 22 can be set to drive the pressure rod 21 to move up and down, thereby driving the iron core 20 to move up and down, thereby releasing pressure in a group of air vents 19. The valve body 17 can prevent the pressure in the furnace from exceeding the safety limit, avoiding the rupture of the furnace body or pipeline due to excessive pressure, thereby protecting the safety of equipment and operators. Appropriate pressure control helps to maintain the stability of the sintering process, thereby ensuring the quality and performance of the product, and the pressure relief is located at the horizontal top of the square tube 7, which can prevent dust particles from mixing into the air.

[0030] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bell-shaped furnace for sintering soft ferrite materials, comprising a base (1), characterized in that: A processing mechanism for sintering soft ferrite material is provided on the top of the base (1), and the processing mechanism comprises: A sintering assembly comprises a furnace bottom (2) fixed to the top of a base (1); a pair of vertical plates (3) fixed to the top of the base (1); a pair of vertical plates (3) each having a sliding groove (4); a furnace cover (5) slidably connected in one set of the sliding grooves (4) via a set of sliding blocks; and a lifting assembly (6) for driving the furnace cover (5) to move up and down is provided on the base (1); A circulation component comprises a square tube (7) connected to the top of a furnace cover (5), a positioning groove (8) is provided on the square tube (7), a concave plate (9) fixed by a positioning component is provided in the positioning groove (8), an activated carbon plate (10) is provided between opposite side walls of the concave plate (9), and L-shaped tubes (11) are connected to both sides of the other end of the square tube (7), and the other ends of a pair of L-shaped tubes (11) are connected to the top of the furnace cover (5); The conveying assembly is arranged on the square tube (7) and is used for conveying the air inside the furnace cover (5).

2. The bell-shaped furnace for sintering soft ferrite materials according to claim 1, wherein: The locking assembly comprises a fixed block (12) fixed on a square tube (7); the fixed block (12) is slidably connected to a sliding rod (13) through a sliding hole; and a pair of locking rods (14) are fixed to the bottom of the fixed block (12) through a pair of first springs.

3. The bell-shaped furnace for sintering soft ferrite materials according to claim 2, wherein: A connecting block (15) is fixedly connected to the bottom of the sliding rod (13), and both sides of the connecting block (15) are respectively fixedly connected to the side walls of a pair of positioning rods (14), and a pair of positioning holes (16) are opened on the concave plate (9).

4. The bell-shaped furnace for sintering soft ferrite materials according to claim 1, wherein: A valve body (17) is fixedly connected to the square tube (7), an inner cavity (18) is provided in the valve body (17), and the inner cavity (18) is communicated with the square tube (7), a group of air leakage holes (19) are provided on the valve body (17), an iron core (20) is provided in the inner cavity (18), and the top of the iron core (20) is connected to the inner cavity (18) through a second spring.

5. The bell-shaped furnace for sintering soft ferrite materials according to claim 4, characterized in that: A pressure rod (21) is fixedly connected to the top of the iron core (20), and the pressure rod (21) passes through the top of the valve body (17) and is slidably connected to the valve body (17). An electric telescopic rod (22) is fixedly connected to the top of the square tube (7), and the telescopic end of the electric telescopic rod (22) is fixedly connected to a support block (23). The top of the pressure rod (21) is fixedly connected to the bottom of the support block (23).

6. The bell-shaped furnace for sintering soft ferrite materials according to claim 1, characterized in that: The conveying assembly comprises a driving rod (24) rotatably connected to one end of a square tube (7) through a rotating hole, a motor (25) is fixedly connected to one end of the square tube (7) through an L-shaped rod, an output end of the motor (25) is drivingly connected to one end of the driving rod (24), a fan blade (26) is fixedly connected to the top of the driving rod (24), and the fan blade (26) is located inside the square tube (7).

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