Zinc ferrite soft magnetic sintering device

Abstract

The utility model relates to a sintering device, in particular to a zinc ferrite soft magnetic sintering device. According to the technical scheme, the zinc ferrite soft magnetic sintering device comprises a base, a sintering box, a handle, a protective door, a fixing frame, a gas tank, a gas valve, a fire spraying pipe and the like, the sintering box is fixedly connected to the top of the base, the fixing frame is fixedly connected to the left side of the sintering box, the protective door is rotationally connected between the upper side and the lower side of the fixing frame, and the handle is fixedly connected to the front side of the protective door; the top of the sintering box is fixedly connected with a gas tank, the right side of the gas tank is fixedly connected with a gas valve, the bottom of the gas tank is connected and communicated with at least one flaming pipe, and the lower portion of each flaming pipe extends into the sintering box. The sintering box, the handle, the protective door and other parts are matched to work, so that no other air enters the sintering box when a zinc ferrite soft magnetic material is sintered, the inner part of the sintering box is always kept in a closed state, and the surface porosity of the zinc ferrite soft magnetic material is effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a sintering device especially to a zinc ferrite soft magnetic sintering device. BACKGROUND

[0002] Zinc ferrite is a typical gyromagnetic material, which can exhibit the characteristics of soft magnetic material in specific application fields. Soft magnetic material refers to a kind of material that can be quickly magnetized under the action of an external magnetic field and whose magnetism almost disappears after the external field is removed. The characteristics of this kind of material are low coercive force, high permeability and small loss, which are suitable for use in electronic devices such as high-frequency transformers, inductors and electromagnetic shields.

[0003] Sintering is a kind of heat treatment process, which is usually used in the fields of powder metallurgy, ceramics, composite materials, etc. The purpose is to make loose powder particles bond by heating to slightly below the melting point of the main component, so as to form a solid whole material. Zinc ferrite soft magnetic sintering is one of the important steps for preparing zinc ferrite soft magnetic material. Through appropriate sintering process, the magnetic and physical properties of zinc ferrite soft magnetic material can be optimized. However, the existing zinc ferrite soft magnetic sintering device is always exposed to air during the sintering process, which leads to high porosity of zinc ferrite soft magnetic material, thereby affecting the permeability of zinc ferrite soft magnetic material.

[0004] Therefore, it is necessary to design a zinc ferrite soft magnetic sintering device to solve the above technical problems. UTILITY MODEL CONTENT

[0005] In order to overcome the shortcomings of the existing zinc ferrite soft magnetic sintering device, which is always exposed to air during the sintering process and ultimately affects the permeability of zinc ferrite soft magnetic material, the technical problem to be solved is to provide a zinc ferrite soft magnetic sintering device.

[0006] The technical scheme is as follows: a zinc ferrite soft magnetic sintering device, comprising a base, a sintering box, a handle, a protective door, a fixing frame, a gas tank, a gas valve, a flame jet pipe, a clamping block, a fixing block, a screw and a controller. The base is fixedly connected with the sintering box at the top. The fixing frame is fixedly connected with the sintering box at the left side. The protective door is rotatably connected between the upper and lower sides of the fixing frame. The handle is fixedly connected with the protective door at the front side. The clamping block is rotatably connected with the protective door at the front side. The clamping block is located at the right side of the handle. The fixing block is fixedly connected with the sintering box at the right side. The fixing block is connected with the clamping block. The screw is threadedly connected between the front end of the fixing block and the right end of the clamping block. The gas tank is fixedly connected with the sintering box at the top. The gas valve is fixedly connected with the gas tank at the right side. The sintering box is connected with at least one flame jet pipe at the bottom. The lower part of each flame jet pipe extends into the sintering box. The controller is fixedly connected with the sintering box at the front side. The controller is electrically connected with the flame jet pipe.

[0007] As further further preferred, it further includes a support placement plate, a rotating shaft, a guide rod, a wedge block and a limiting block, the front side of the base is fixedly connected with the support placement plate, at least one rotating shaft is rotatably connected between the left and right sides of the support placement plate, the right side inner wall of the support placement plate is slidably connected with the guide rod, the left end of the guide rod is fixedly connected with the wedge block, and the front side of the support placement plate is fixedly connected with the limiting block.

[0008] As further further preferred, it further includes a gas pump, a smoke filter, an air inlet pipe, an air outlet pipe and an air suction frame, the left and right sides of the sintering box are fixedly connected with the air suction frame, the middle part of each air suction frame is connected and communicated with the air inlet pipe, one end of each air inlet pipe away from the air suction frame is connected and communicated with the smoke filter, the bottom of each smoke filter is connected and communicated with the gas pump, each gas pump is fixedly connected with the top of the base, and the bottom of each gas pump is connected and communicated with the air outlet pipe.

[0009] As further further preferred, it further includes a filter screen, and the inner wall of each air suction frame is fixedly connected with the filter screen.

[0010] As further further preferred, it further includes a transparent protective cover, and the front side upper part of the sintering box is rotatably connected with the transparent protective cover, and the transparent protective cover covers the controller.

[0011] As further further preferred, the right side inner wall of the support placement plate is grooved and slidably connected with the right end of the guide rod.

[0012] The utility model has the advantages of: 1, the utility model discloses a sintering box, handle and protective door cooperate, when sintering zinc ferrite soft magnetic material, no other air enters the sintering box, always keeps the closed state of the sintering box, effectively reduces the porosity of zinc ferrite soft magnetic surface.

[0013] 2, the utility model discloses a gas tank provides heating gas, and the output of gas in the gas tank is controlled through the gas valve, and the zinc ferrite soft magnetic material is sintered through the direct injection of high-temperature flame of the flame injection pipe, and the efficiency of zinc ferrite sintering is effectively improved.

[0014] 3, the utility model discloses a support placement plate, rotating shaft and guide rod cooperate, when the staff pushes and pulls the alumina crucible filled with zinc ferrite soft magnetic material, the effect of saving time and effort is achieved. ACCURATE DRAWINGS

[0015] Figure 1 It is the structural schematic diagram of the utility model.

[0016] Figure 2 It is the three-dimensional structure schematic diagram of handle, protective door and fixed support of the utility model.

[0017] Figure 3The utility model discloses a card block, fixed block and screw etc. parts three-dimensional structure schematic diagram.

[0018] Figure 4 The utility model discloses a pivot, guide rod and wedge block etc. parts three-dimensional structure schematic diagram.

[0019] Figure 5 The utility model discloses a gas pump, smoke filter and exhaust pipe etc. parts three-dimensional structure schematic diagram. Among them: 1 - base, 2 - sintering box, 3 - handle, 4 - protection door, 5 - fixed frame, 6 - gas tank, 7 - gas valve, 8 - blowpipe, 9 - card block, 10 - fixed block, 11 - screw, 12 - controller, 13 - support placement board, 14 - pivot, 15 - guide rod, 16 - wedge block, 17 - limit block, 18 - gas pump, 19 - smoke filter, 201 - air inlet pipe, 20 - exhaust pipe, 21 - suction frame, 22 - filter screen, 23 - transparent protective cover. DETAILED DESCRIPTION

[0020] The utility model will be further explained in combination with specific embodiment, still need to explain, unless another explicit provision and limitation, the term such as: set up, install, link, connect should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can be indirectly connected through intermediate medium, can be the intercommunication of two elements. For the ordinary skilled person in the art, the above-mentioned term can be understood in the specific meaning in the utility model according to specific circumstances.

[0021] Embodiment: a kind of zinc ferrite soft magnetic sintering device, such as Figures 1-4As shown, including base 1, sintering box 2, handle 3, protective door 4, fixed frame 5, gas tank 6, gas valve 7, flame jet pipe 8, clamping block 9, fixed block 10, screw 11, controller 12, support placement plate 13, pivot 14, guide rod 15, wedge block 16 and limit block 17, the top of base 1 is connected with sintering box 2 through screws, the left side of sintering box 2 is connected with fixed frame 5 through screws, the upper and lower sides of fixed frame 5 are rotatably connected with protective door 4, the right front side of protective door 4 is connected with handle 3 through screws, the right front side of protective door 4 is rotatably connected with clamping block 9, clamping block 9 is located on the right side of handle 3, the right side of sintering box 2 is connected with fixed block 10 through screws, fixed block 10 is clamped with clamping block 9, screw 11 is threadedly connected between the front end of fixed block 10 and the right end of clamping block 9, sintering box 2 is installed with gas tank 6 on the top through screws, gas valve 7 is connected with gas tank 6 on the right side through flange, three flame jet pipes 8 are connected with gas tank 6 and communicated, the lower parts of three flame jet pipes 8 extend into the inside of sintering box 2, controller 12 is installed on the front side of sintering box 2 through screws, support placement plate 13 is connected with the front side of base 1 through screws, the right end of guide rod 15 is slidably connected with the right side inner wall of support placement plate 13 through slotting, seven pivots 14 are rotatably connected between the left and right sides of support placement plate 13, guide rod 15 is slidably connected with the right side inner wall of support placement plate 13, wedge block 16 is fixedly connected with the left end of guide rod 15, limit block 17 is connected with the front side of support placement plate 13 through screws, controller 12 is electrically connected with flame jet pipe 8.

[0022] When the device needs to be used, the worker first places the device horizontally in the designated work area, then installs the new gas tank 6 on the top of the sintering box 2, and ensures that the gas valve 7 is closed when the device is not in operation, then stably places the alumina crucible containing zinc ferrite soft magnetic material on the top of the wedge-shaped block 16, after the above preparation work is completed, the worker first rotates the screw 11 clockwise to remove it, then rotates the clamping block 9 counterclockwise by 90°, so that the clamping block 9 is disengaged from the fixed block 10, at this time the protective door 4 can be arbitrarily rotated open, then the worker rotates the protective door 4 clockwise through the handle 3, so that the protective door 4 is completely opened, the feed inlet on the front side of the sintering box 2 is not blocked, then the worker holds the wedge-shaped block 16 with both hands, and pushes the wedge-shaped block 16 and the alumina crucible on it backward, at this time the guide rod 15 slides backward along the groove on the right side inner wall of the supporting placement plate 13, the alumina crucible containing zinc ferrite soft magnetic material contacts the rotating shaft 14 and is pushed backward through the rotating shaft 14, at the same time the worker achieves the effect of saving labor when pushing, when the alumina crucible containing zinc ferrite soft magnetic material is pushed to the bottom of the sintering box 2, that is, the alumina crucible containing zinc ferrite soft magnetic material is directly below the flame jet pipe 8, the worker stops pushing the alumina crucible backward, then the worker rotates the protective door 4 counterclockwise through the handle 3, so that the protective door 4 is in the closed state, then first rotate the clamping block 9 clockwise by 90°, so that the clamping block 9 is engaged with the fixed block 10, and then rotate the screw 11 counterclockwise to install it back to the initial state, at this time the inside of the sintering box 2 is in a closed state, then manually open the gas valve 7, and start the flame jet pipe 8 through the controller 12, at this time the gas tank 6 provides fuel gas for the flame jet pipe 8, the flame jet pipe 8 continuously and continuously sprays high-temperature flame, when the high-temperature flame contacts the zinc ferrite soft magnetic material, the zinc ferrite soft magnetic material is continuously heated, when the zinc ferrite soft magnetic material is heated for a period of time, until the zinc ferrite soft magnetic material reaches the melting point, the zinc ferrite soft magnetic material between them is bonded, thereby forming a solid overall material, at this time the worker turns off the flame jet pipe 8 through the controller 12, so that the flame jet pipe 8 stops heating the zinc ferrite soft magnetic material, then the zinc ferrite soft solid is placed to cool.

[0023] As Figure 1 , Figure 2 and Figure 5As shown, it also includes air pump 18, smoke filter 19, air inlet pipe 201, air outlet pipe 20, air suction frame 21, filter screen 22 and transparent protective cover 23, the left and right sides of sintering box 2 are connected with air suction frame 21 through screws, the inner walls of the two air suction frames 21 are keyed with filter screens 22, the middle parts of the two air suction frames 21 are connected and communicated with air inlet pipes 201, the ends of the two air inlet pipes 201 away from the air suction frames 21 are connected and communicated with smoke filters 19, the bottoms of the two smoke filters 19 are connected and communicated with air pumps 18, the two air pumps 18 are connected with the top of base 1 through screws, the bottoms of the two air pumps 18 are connected and communicated with air outlet pipes 20, the air pump and smoke filter 19 are electrically connected with controller 12, the left front upper part of sintering box 2 is rotatably connected with transparent protective cover 23, and the transparent protective cover 23 covers controller 12.

[0024] When the zinc ferrite soft magnetic material is heated, due to the particularity of the zinc ferrite soft magnetic material, a large amount of harmful smoke is generated in the process of heating and warming the zinc ferrite soft magnetic material, so it is necessary to absorb and degrade the harmful smoke, at this time, the staff starts the air pump 18 and the smoke filter 19 through the controller 12, at this time, the air pump 18 absorbs the harmful smoke in the sintering box 2, before the harmful smoke is sucked into the air inlet pipe 201, the harmful smoke will first contact the filter screen 22, achieving the first filtration of the harmful smoke, the harmful smoke filtered for the first time enters the inside of the smoke filter 19 through the air inlet pipe 201, then the smoke filter 19 filters and degrades the harmful smoke for the second time, finally, the harmless smoke filtered and degraded for the second time is discharged through the air outlet pipe 20, after the harmful smoke in the sintering box 2 is completely absorbed and degraded, the staff turns off the air pump 18 and the smoke filter 19 through the controller 12, then the above-mentioned steps of opening the protective door 4 are repeated again, so as to open the protective door 4, after the protective door 4 is completely opened, the alumina crucible containing the zinc ferrite soft magnetic material is pulled forward, so that the alumina crucible is pulled out of the sintering box 2, and when the front side of the alumina crucible is pulled forward to contact the limiting block 17, the alumina crucible is limited at a fixed position by the limiting block 17 and will not be pulled forward indefinitely, then the staff can take out the sintered zinc ferrite soft magnetic material, at this time, one cycle of sintering work of the zinc ferrite soft magnetic material is completed, if it is necessary to continue to sinter the zinc ferrite soft magnetic material, the above-mentioned steps can be repeated.

[0025] The technical principles of the embodiments of the present application are described above in combination with specific embodiments. These descriptions are only for explaining the principles of the embodiments of the present application, and cannot be interpreted as limiting the protection scope of the embodiments of the present application in any way. Based on the explanations herein, other specific embodiments of the embodiments of the present application can be conceived by those skilled in the art without creative labor, and these embodiments will fall within the protection scope of the embodiments of the present application.

Claims

1. A zinc ferrite soft magnetic sintering device, characterized by: The invention comprises a base (1), a sintering box (2), a handle (3), a protective door (4), a fixing frame (5), a gas tank (6), a gas valve (7), a flamethrower (8), a clamping block (9), a fixing block (10), a screw (11) and a controller (12). The top of the base (1) is fixedly connected to the sintering box (2), the left side of the sintering box (2) is fixedly connected to the fixing frame (5), the upper and lower sides of the fixing frame (5) are rotatably connected to the protective door (4), the front side of the protective door (4) is fixedly connected to the handle (3), the front side of the protective door (4) is rotatably connected to the clamping block (9), and the clamping block (9) is located at the handle ( 3) right side, a fixed block (10) is fixedly connected to the right side of the sintering box (2), the fixed block (10) is clamped with the clamping block (9), a screw (11) is threadedly connected between the front end of the fixed block (10) and the right end of the clamping block (9), a gas tank (6) is fixedly connected to the top of the sintering box (2), a gas valve (7) is fixedly connected to the right side of the gas tank (6), and the bottom of the gas tank (6) is connected and communicated with at least one flame-spraying pipe (8), and the lower part of each flame-spraying pipe (8) extends into the interior of the sintering box (2), and a controller (12) is fixedly connected to the front side of the sintering box (2), and the controller (12) is electrically connected to the flame-spraying pipe (8).

2. A zinc ferrite soft magnetic sintering device according to claim 1, characterized in that: The invention also includes a supporting plate (13), a rotating shaft (14), a guide rod (15), a wedge block (16) and a limit block (17); the front side of the base (1) is fixedly connected to the supporting plate (13); at least one rotating shaft (14) is rotatably connected between the left and right sides of the supporting plate (13); the right inner wall of the supporting plate (13) is slidably connected to the guide rod (15); the left end of the guide rod (15) is fixedly connected to the wedge block (16); and the front side of the supporting plate (13) is fixedly connected to the limit block (17).

3. A zinc ferrite soft magnetic sintering device according to claim 2, characterized in that: The invention also includes an air pump (18), a smoke filter (19), an air inlet pipe (201), an exhaust pipe (20) and an air suction frame (21). The air suction frames (21) are fixedly connected to the left and right sides of the sintering box (2). The middle of each air suction frame (21) is connected to and communicated with the air inlet pipe (201). The end of each air inlet pipe (201) away from the air suction frame (21) is connected to and communicated with the smoke filter (19). The bottom of each smoke filter (19) is connected to and communicated with the air pump (18). Each air pump (18) is fixed to the top of the base (1). The bottom of each air pump (18) is connected to and communicated with the exhaust pipe (20). The air pump and the smoke filter (19) are electrically connected to the controller (12).

4. A zinc ferrite soft magnetic sintering device according to claim 3, characterized in that: It also includes a filter screen (22), and the inner side wall of each suction frame (21) is fixedly connected with the filter screen (22).

5. A zinc ferrite soft magnetic sintering device according to claim 4, characterized in that: The invention also comprises a transparent protective cover (23), which is rotatably connected to the upper front side of the sintering box (2), and the transparent protective cover (23) covers the controller (12).

6. A zinc ferrite soft magnetic sintering device according to claim 5, characterized in that: The right inner wall of the supporting plate (13) is grooved and slidably connected to the right end of the guide rod (15).

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