A bell kiln for sintering nickel-zinc ferrite cores

Abstract

The utility model discloses a bell kiln for sintering nickel-zinc ferrite cores, comprising: a base, the upper surface of the base is slidably connected with a slide plate, the upper surface of the slide plate is fixedly connected with a hydraulic rod, the end of the hydraulic rod away from the slide plate is fixedly connected with a lifting plate, the upper surface of the lifting plate is fixedly connected with a base, the upper surface of the base is fixedly connected with a heating furnace, the upper surface of the lifting plate is fixedly connected with a sealing ring, the upper surface of the base is provided with a slide rail, and a temperature control device, the temperature control device comprises an air compressor, an air inlet pipe, an air exhaust pipe, a control valve, a filter and a resistance heating plate, the temperature of the resistance heating plate and the temperature and size of the air introduced into the kiln can be adjusted by setting the temperature control device, the temperature in the kiln can be quickly adjusted, and the pressure in the kiln can be released when the pressure in the kiln is too high, and the kiln and the product can be quickly cooled after the product sintering is completed to improve the production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of sintering devices, in particular to a bell kiln for sintering nickel-zinc ferrite cores. Background Art

[0002] Nickel-zinc ferrite generally has a relatively low magnetic permeability, fine and small grains, and a porous structure, often brown in color, especially when the sintering temperature is relatively low during the production process. During the sintering process of the nickel-zinc ferrite core, a bell kiln is required for heating and firing.

[0003] The existing bell kiln only controls the temperature inside the kiln during operation by the size of the flame or the temperature of the resistance rod. This results in the cooling speed being too slow when the temperature inside the kiln is too high and needs to be cooled quickly, affecting product quality. It also makes the cooling time too long at the end of production, thereby affecting production efficiency. After searching, it was found that the technical solution provided by the utility model with application number 202123222604.5 also has the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a bell kiln for sintering nickel-zinc ferrite cores. By setting a temperature control device, the temperature of the resistance heating plate and the temperature and size of the air entering the kiln can be adjusted. The temperature in the kiln can be quickly adjusted and the pressure in the kiln can be released when the pressure in the kiln is too high. The kiln and the product can also be quickly cooled after the product is sintered to improve production efficiency.

[0005] The utility model also provides a bell kiln for sintering nickel-zinc ferrite cores, comprising: a base, a slide plate is slidably connected to the upper surface of the base, a hydraulic rod is fixedly connected to the upper surface of the slide plate, a lifting plate is fixedly connected to one end of the hydraulic rod away from the slide plate, a base is fixedly connected to the upper surface of the lifting plate, a heating furnace is fixedly connected to the upper surface of the base, a sealing ring is fixedly connected to the upper surface of the lifting plate, and a slide rail is arranged on the upper surface of the base;

[0006] A temperature control device, the temperature control device includes an air compressor, an air inlet pipe, an exhaust pipe, a control valve, a filter and a resistance heating plate, the output end of the air compressor is fixedly connected to the air inlet pipe, the end of the air inlet pipe away from the air compressor is fixedly connected to the kiln body, the upper surface of the kiln body is fixedly connected to the exhaust pipe, the outer surface of the exhaust pipe is fixedly connected to the control valve, the end of the exhaust pipe away from the kiln body is fixedly connected to the filter, the inner surface of the kiln body is fixedly connected to the resistance heating plate, and the temperature of the resistance heating plate and the temperature and size of the air entering the kiln can be adjusted by setting the temperature control device, the temperature in the kiln can be quickly adjusted, and the pressure in the kiln can be released when the pressure in the kiln is too high, and the kiln and the product can be quickly cooled after the product is sintered to improve production efficiency.

[0007] According to the nickel-zinc ferrite core sintering bell kiln, the right surface of the kiln body is fixedly connected to the air compressor, and the front surface of the kiln body is fixedly connected to a control panel, which is convenient for controlling the temperature and rate of the air compressor output gas.

[0008] According to the nickel-zinc ferrite core sintering bell kiln, the outer surface of the slide plate is slidably connected to the slide rail, and the inner surface of the heating furnace is provided with a partition, which is convenient for placing multiple groups of raw materials for sintering and improving production efficiency.

[0009] According to the nickel-zinc ferrite core sintering bell kiln, a bracket is fixedly connected to the upper surface of the base, and one end of the bracket away from the base is fixedly connected to the kiln body.

[0010] According to the nickel-zinc ferrite core sintering bell kiln, the outer surface of the sealing ring is movably connected to the kiln body, and the inner surface of the sealing ring is fixedly connected to the base, which is convenient for sealing the base and the kiln body and for controlling the temperature in the kiln.

[0011] According to the nickel-zinc ferrite core sintering bell kiln, a baffle is fixedly connected to the upper surface of the base, and the outer surface of the baffle is fixedly connected to the slide rail, which is convenient for limiting the slide plate so that the slide plate can reach a fixed position.

[0012] According to the nickel-zinc ferrite core sintering bell kiln, the outer surface of the lifting plate is movably connected to the kiln body, and the resistance heating plate, control panel and air compressor are all electrically connected to an external power supply.

[0013] According to the nickel-zinc ferrite core sintering bell kiln, the number of the resistance heating plates is four and arranged in a circular array, and the lower surface of the base is fixedly connected to the ground.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is the overall structure diagram of a bell kiln for sintering nickel-zinc ferrite cores of the utility model;

[0017] Figure 2 This is the internal structure diagram of a bell kiln for sintering nickel-zinc ferrite cores of the utility model;

[0018] Figure 3 It is a cross-sectional schematic diagram of a bell kiln for sintering nickel-zinc ferrite cores according to the utility model;

[0019] Figure 4 The utility model is a partial structural diagram of a bell kiln for sintering nickel-zinc ferrite cores.

[0020] Legend:

[0021] 1. Base; 2. Slide plate; 3. Hydraulic rod; 4. Lifting plate; 5. Pedestal; 6. Heating furnace; 7. Sealing ring; 8. Slide rail; 9. Air compressor; 10. Air inlet pipe; 11. Exhaust pipe; 12. Control valve; 13. Filter; 14. Resistance heating plate; 15. Kiln body; 16. Baffle; 17. Bracket; 18. Partition; 19. Control panel. DETAILED DESCRIPTION

[0022] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0023] Reference Figure 1-4 , the utility model embodiment is a nickel-zinc ferrite core sintering bell kiln, which includes: a base 1, the lower surface of the base is fixedly connected to the ground, the upper surface of the base 1 is fixedly connected with a baffle 16, the upper surface of the base 1 is fixedly connected with a bracket 17, the upper surface of the base 1 is slidably connected with a slide plate 2, the upper surface of the slide plate 2 is fixedly connected with a hydraulic rod 3, the end of the hydraulic rod 3 away from the slide plate 2 is fixedly connected with a lifting plate 4, the upper surface of the lifting plate 4 is fixedly connected with a base 5, the upper surface of the base 5 is fixedly connected with a heating furnace 6, the inner surface of the heating furnace 6 is provided with a partition 18, the upper surface of the lifting plate 4 is fixedly connected with a sealing ring 7, the inner surface of the sealing ring 7 is fixedly connected with the base 5, the upper surface of the base 1 is provided with a slide rail 8, the outer surface of the baffle 16 is fixedly connected to the slide rail 8, and the outer surface of the slide plate 2 is slidably connected to the slide rail 8;

[0024] A temperature control device, the temperature control device includes an air compressor 9, an air inlet pipe 10, an exhaust pipe 11, a control valve 12, a filter 13 and a resistance heating plate 14, the number of the resistance heating plates is four and they are arranged in a circular array, the output end of the air compressor 9 is fixedly connected to the air inlet pipe 10, the end of the air inlet pipe 10 away from the air compressor 9 is fixedly connected to a kiln body 15, the outer surface of the lifting plate 4 is movably connected to the kiln body 15, the outer surface of the sealing ring 7 is movably connected to the kiln body 15, the end of the bracket 17 away from the base 1 is fixedly connected to the kiln body 15, the front surface of the kiln body 15 is fixedly connected to a control panel 19, the resistance heating plate 14, the control panel 19 and the air compressor 9 are all electrically connected to an external power supply, the right surface of the kiln body 15 is fixedly connected to the air compressor 9, the upper surface of the kiln body 15 is fixedly connected to the exhaust pipe 11, the outer surface of the exhaust pipe 11 is fixedly connected to the control valve 12, the end of the exhaust pipe 11 away from the kiln body 15 is fixedly connected to the filter 13, and the inner surface of the kiln body 15 is fixedly connected to the resistance heating plate 14.

[0025] Working principle: put the raw material into the heating furnace 6, push the slide plate 2 to the bottom of the kiln body 15, limit it by the baffle 16, raise the hydraulic rod 3 and push the lifting plate 4 upward to make the heating furnace 6 enter the inside of the kiln body 15. At this time, the sealing ring 7 plays a sealing role. The resistance heating plate 14 is started through the control panel 19 to heat the inside of the kiln body 15 and sinter the raw material. When the temperature inside the kiln body 15 is too high, the air compressor 9 can be started through the control panel 19 to input cold air into the kiln body 15. At this time, the control valve 12 is opened, and the hot air in the kiln is discharged from the exhaust pipe 11. The filter 13 can filter harmful substances in the exhaust gas to reduce environmental pollution. After sintering is completed, the resistance heating plate 14 stops heating, and only the air compressor 9 inputs cold air into the kiln body 15 for cooling. The cooling speed can be controlled by the temperature and size of the input cold air. After cooling is completed, the hydraulic rod 3 is lowered to move the heating furnace 6 out of the kiln body 15, so that the finished product in the heating furnace 6 can be taken out conveniently.

[0026] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A bell kiln for sintering nickel-zinc ferrite cores, characterized in that: include: A base (1), wherein the upper surface of the base (1) is slidably connected to a slide plate (2), the upper surface of the slide plate (2) is fixedly connected to a hydraulic rod (3), the end of the hydraulic rod (3) away from the slide plate (2) is fixedly connected to a lifting plate (4), the upper surface of the lifting plate (4) is fixedly connected to a base (5), the upper surface of the base (5) is fixedly connected to a heating furnace (6), the upper surface of the lifting plate (4) is fixedly connected to a sealing ring (7), and the upper surface of the base (1) is provided with a slide rail (8); A temperature control device, the temperature control device comprising an air compressor (9), an air inlet pipe (10), an air exhaust pipe (11), a control valve (12), a filter (13) and a resistance heating plate (14), wherein the output end of the air compressor (9) is fixedly connected to the air inlet pipe (10), the end of the air inlet pipe (10) away from the air compressor (9) is fixedly connected to a kiln body (15), the upper surface of the kiln body (15) is fixedly connected to the air exhaust pipe (11), the outer surface of the air exhaust pipe (11) is fixedly connected to the control valve (12), the end of the air exhaust pipe (11) away from the kiln body (15) is fixedly connected to the filter (13), and the inner surface of the kiln body (15) is fixedly connected to the resistance heating plate (14).

2. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: The right surface of the kiln body (15) is fixedly connected to the air compressor (9), and the front surface of the kiln body (15) is fixedly connected to a control panel (19).

3. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: The outer surface of the slide plate (2) is slidably connected to the slide rail (8), and the inner surface of the heating furnace (6) is provided with a partition plate (18).

4. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: A bracket (17) is fixedly connected to the upper surface of the base (1), and one end of the bracket (17) away from the base (1) is fixedly connected to the kiln body (15).

5. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: The outer surface of the sealing ring (7) is movably connected to the kiln body (15), and the inner surface of the sealing ring (7) is fixedly connected to the base (5).

6. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: A baffle (16) is fixedly connected to the upper surface of the base (1), and an outer surface of the baffle (16) is fixedly connected to the slide rail (8).

7. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: The outer surface of the lifting plate (4) is movably connected to the kiln body (15), and the resistance heating plate (14), the control panel (19) and the air compressor (9) are all electrically connected to an external power source.

8. The nickel-zinc ferrite core sintering bell kiln according to claim 1, characterized in that: The number of the resistance heating plates (14) is four and they are arranged in a circular array, and the lower surface of the base (1) is fixedly connected to the ground.

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