Vacuum high-temperature sintering furnace

Abstract

The vacuum high-temperature sintering furnace comprises a shell, vertical plates are arranged on the left side and the right side of the bottom wall of the shell, a sintering barrel is rotationally connected between the two vertical plates, the upper end of the sintering barrel is connected with a cover through a flange, and a vacuum assembly used for manufacturing a vacuum environment in the sintering barrel is arranged on the front side face of the sintering barrel. A supporting plate is arranged at the upper end of the interior of the shell. The cleaning mechanism comprises a rotating shaft, a cleaning roller and an adjusting frame, the rotating shaft is rotationally connected to the middle of the lower side face of the supporting plate, the outer arc face of the rotating shaft is slidably connected with the cleaning roller, the adjusting frame used for adjusting the vertical position of the cleaning roller is arranged in the shell, and the cleaning roller is located over the sintering barrel. The sintering barrel is rapidly cleaned through the cleaning mechanism, the step of manual cleaning by workers is omitted, the cleaning efficiency and quality are improved, and meanwhile the safety risk is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to magnetic material processing technical field, concretely is a kind of vacuum high-temperature sintering furnace. BACKGROUND

[0002] Vacuum high-temperature sintering furnace is a kind of equipment that carries out high-temperature sintering treatment under vacuum environment, it forms vacuum state by extracting air in furnace, reduces the influence of gas in furnace to sintering process. Then utilize heating element to increase the temperature in furnace to the required high temperature, make the material to be sintered occur physical and chemical changes under high temperature and vacuum condition, realize densification, crystallization etc. process;

[0003] And after using vacuum high-temperature sintering furnace, often need to clean sintering furnace, part of traditional cleaning technology needs manual cleaning with brush;

[0004] There are some problems, manual cleaning vacuum high-temperature sintering furnace has certain safety risk, cleaning effect is difficult to guarantee, and efficiency is low, for this, we propose a kind of vacuum high-temperature sintering furnace. INVENTION CONTENTS

[0005] The technical problem to be solved by the utility model is to overcome the defects of the prior art, provide a kind of vacuum high-temperature sintering furnace, the quick cleaning of sintering barrel is carried out by cleaning mechanism, the step of manual cleaning by worker is subtracted, improve cleaning efficiency and quality, simultaneously reduce safety risk, can effectively solve the problems in the background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of vacuum high-temperature sintering furnace, including shell, the bottom wall left and right sides of the shell are equipped with vertical plate, rotationally connected with sintering barrel between two vertical plates, the upper end of sintering barrel is connected with lid by flange, the front side of sintering barrel is equipped with vacuum assembly for manufacturing the vacuum environment inside sintering barrel, the inside upper end of shell is equipped with support plate, further including cleaning mechanism;

[0007] Cleaning mechanism: it includes rotating shaft, cleaning roller and adjusting frame, the lower side surface middle part of support plate is rotationally connected with rotating shaft, the outer arc surface of rotating shaft is slidably connected with cleaning roller, the inside of shell is equipped with adjusting frame for adjusting the up-down position of cleaning roller, the cleaning roller is located just above sintering barrel, the quick cleaning of sintering barrel is carried out by cleaning mechanism, the step of manual cleaning by worker is subtracted, improve cleaning efficiency and quality, simultaneously reduce safety risk.

[0008] Further, the front side of shell is equipped with control switch group, the input end of control switch group is electrically connected with external power supply, and stable control is realized.

[0009] Further, the cleaning mechanism further comprises an electric motor, the electric motor is installed on the upper side of the support plate, the output shaft of the electric motor is fixedly connected with the upper end surface of the rotating shaft, the input end of the electric motor is electrically connected with the output end of the control switch group, and the electric motor is stably driven to rotate the cleaning roller.

[0010] Further, the cleaning mechanism further comprises a rotating seat and an electric cylinder, the rotating seat is fixedly sleeved on the upper end outer arc surface of the cleaning roller, the adjusting frame is rotatably connected to the middle portion of the rotating seat, the upper side right end of the support plate is provided with the electric cylinder, the telescopic end of the electric cylinder penetrates through the right end of the support plate and is fixedly connected with the upper side right end of the adjusting frame, and the input end of the electric cylinder is electrically connected with the output end of the control switch group, so that the cleaning roller is conveniently driven to move up and down.

[0011] Further, the cleaning mechanism further comprises a water tank and a cleaning water pipe, the water tank is arranged on the left end of the upper side of the support plate, the lower end of the water tank is provided with the cleaning water pipe, the lower end of the cleaning water pipe penetrates through the left end of the support plate and is located above the left side of the sintering barrel, the upper end of the water tank is provided with a supplement pipe, and the upper end of the supplement pipe penetrates through the upper side wall of the shell, so that cleaning liquid is conveniently provided.

[0012] Further, rotating shafts are rotatably connected to the middle portions of the inner sides of the vertical plates, the sintering barrel is arranged between the two rotating shafts, the right side of the right vertical plate is provided with an electric motor, the output shaft of the electric motor is fixedly connected with the right side of the right rotating shaft, the input end of the electric motor is electrically connected with the output end of the control switch group, and the electric motor is stably driven.

[0013] Further, the sintering barrel is composed of an outer layer and an inner layer, and an electric heating coil is arranged between the outer layer and the inner layer, the input end of the electric heating coil is electrically connected with the output end of the control switch group, and high temperature is generated.

[0014] Further, the vacuum generating assembly is a vacuum pump, the vacuum pump is installed on the front side of the outer arc surface of the sintering barrel, the input end of the vacuum pump is electrically connected with the output end of the control switch group, and the rear end of the air suction pipe of the vacuum pump penetrates through the outer layer and the inner layer of the sintering barrel in sequence and extends into the inner layer of the sintering barrel, so that a vacuum environment in the sintering barrel is generated.

[0015] Further, the lower end of the sintering barrel is provided with a discharge pipeline, the lower end of the discharge pipeline penetrates through the outer layer of the sintering barrel and is exposed outside the sintering barrel, the lower end of the discharge pipeline is connected with a valve, and the input end of the valve is electrically connected with the output end of the control switch group, so that the sintering barrel is conveniently discharged.

[0016] Further, the front side wall of the shell is hingedly connected with a material door, and the left side wall of the shell is provided with uniformly distributed heat dissipation holes, so that the sintering barrel is conveniently discharged.

[0017] Compared with the prior art, the vacuum high-temperature sintering furnace has the following advantages:

[0018] Through the quick cleaning of the sintering barrel by the cleaning mechanism, the step of manual cleaning by workers is reduced, the cleaning efficiency and quality are improved, and the safety risk is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a front side structure schematic view of the utility model;

[0020] Figure 2 It is a front side structure schematic view of the utility model;

[0021] Figure 3 It is a structure schematic view of the utility model at A place amplification;

[0022] Figure 4 It is a structure schematic view of the utility model cleaning roller front side upper end section;

[0023] Figure 5 It is a structure schematic view of the utility model sintering barrel front side section.

[0024] In the drawing: 1 shell, 2 cleaning mechanism, 21 rotating shaft, 22 cleaning roller, 23 rotating seat, 24 adjusting frame, 25 water tank, 26 cleaning water pipe, 27 motor, 28 electric cylinder, 3 support plate, 4 sintering barrel, 5 cover, 6 vertical plate, 7 rotating shaft, 8 motor, 9 valve, 10 vacuum pump, 11 supplementary pipe, 12 electric heating coil, 13 control switch group, 14 material door. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-5This embodiment provides a technical solution: a vacuum high-temperature sintering furnace, including a shell 1. A control switch group 13 is provided on the front side of the shell 1. The input terminal of the control switch group 13 is electrically connected to an external power source. Vertical plates 6 are provided on both the left and right sides of the bottom wall of the shell 1. A sintering barrel 4 is rotatably connected between the two vertical plates 6. A rotating shaft 7 is rotatably connected to the center of the inner side of each vertical plate 6. The sintering barrel 4 is positioned between the two rotating shafts 7. A motor 8 is installed on the right side of the right vertical plate 6. The output shaft of the motor 8 is fixedly connected to the right side of the right rotating shaft 7. The input terminal of the motor 8 is electrically connected to the output terminal of the control switch group 13. The sintering barrel 4 consists of an outer layer and an inner layer. An electric heating coil 12 is provided between the outer and inner layers. The input terminal of the electric heating coil 12 is electrically connected to the output terminal of the control switch group 13. The upper end of the sintering barrel 4 is connected to a cover 5 via a flange. A vacuum assembly for creating a vacuum environment inside the sintering barrel 4 is provided on the front side of the sintering barrel 4, including a vacuum manufacturing assembly, which is a vacuum pump 10. The vacuum pump 10 is installed on the front side of the outer arc face of the sintering barrel 4. The input end of the vacuum pump 10 is electrically connected to the output end of the control switch group 13. The rear end of the suction pipe of the vacuum pump 10 passes through the outer and inner layers of the sintering barrel 4 and extends into the interior of the inner layer. A discharge pipe is provided at the lower end of the inner layer of the sintering barrel 4. The lower end of the discharge pipe passes through the outer layer of the sintering barrel 4 and is exposed outside the sintering barrel 4. A valve 9 is connected in series at the lower end of the discharge pipe. The input end of the valve 9 is electrically connected to the output end of the control switch group 13. A material door 14 is hinged to the front side wall of the outer shell 1. The left side wall of the outer shell 1 has evenly distributed heat dissipation holes, and the upper part of the inner side of the outer shell 1 is provided with a support plate 3. The worker opens the material door 14, then uses a tool to remove the cover 5, and then puts the magnetic material to be sintered into the inside of the sintering barrel 4. At this time, the magnetic material is in direct contact with the inner layer of the sintering barrel 4. Then the worker uses a tool to connect the cover 5 to the sintering barrel 4 again. Then the worker closes the material door 14 and operates the control switch group 13 to make the vacuum pump 10 and the heating coil 12 run. The vacuum pump 10 draws in and compresses the gas inside the sintering barrel 4 through the suction pipe, and then discharges it from the exhaust port of the vacuum pump 10 and then discharges it out of the outer shell 1 through the exhaust hole, thus drawing the pressure inside the furnace to a low vacuum range. At the same time, the heating coil 12 gradually increases the temperature and begins to heat the inside of the sintering barrel 4. In the first layer, the magnetic material is heated through heat exchange. After a period of time, the atoms or molecules in the magnetic material gain sufficient energy and begin to diffuse and migrate, gradually reducing the porosity inside the material and causing the grains to grow, thereby achieving material densification and performance improvement. After cooling, the worker opens the material door 14 and operates the control switch group 13 to start the motor 8. The output shaft of the motor 8 drives the right-side rotating shaft 7 to rotate counterclockwise by thirty degrees, which in turn drives the sintering barrel 4 to rotate counterclockwise by thirty degrees. The worker then uses tools to remove the lid 5 and takes out the sintered magnetic material from inside the sintering barrel 4. The worker again operates the control switch group 13 to start the motor 8, and the output shaft of the motor 8 drives the right-side rotating shaft 7 to rotate clockwise by thirty degrees.Further drive sintering barrel 4 back to the original position, sintering of magnetic materials, also includes cleaning mechanism 2;

[0027] Cleaning mechanism 2: it includes rotating shaft 21, cleaning roller 22 and adjusting frame 24, rotating shaft 21 is rotatably connected to the lower side of the middle of support plate 3, the outer arc surface of rotating shaft 21 is slidably connected with cleaning roller 22 (the outer arc surface of rotating shaft 21 is provided with a flat key on both sides, the upper end of cleaning roller 22 is provided with a key groove on both sides, the key groove is slidably connected with the adjacent flat key), the inside of shell 1 is provided with adjusting frame 24 for adjusting the up and down position of cleaning roller 22, cleaning roller 22 is located directly above sintering barrel 4, cleaning mechanism 2 further includes motor 27, motor 27 is installed on the upper side of support plate 3, the output shaft of motor 27 is fixedly connected with the upper end surface of rotating shaft 21, the input end of motor 27 is electrically connected with the output end of control switch group 13, cleaning mechanism 2 further includes rotating seat 23 and electric cylinder 28, rotating seat 23 is fixedly sleeved on the upper end of cleaning roller 22, adjusting frame 24 is rotatably connected to the middle of rotating seat 23, electric cylinder 28 is installed on the right end of the upper side of support plate 3, the telescopic end of electric cylinder 28 penetrates through the right end of support plate 3 and is fixedly connected with the right end of the upper side of adjusting frame 24, the input end of electric cylinder 28 is electrically connected with the output end of control switch group 13, cleaning mechanism 2 further includes water tank 25 and cleaning water pipe 26, water tank 25 is arranged on the left end of the upper side of support plate 3, cleaning water pipe 26 is arranged on the lower end of water tank 25 (a water pump is installed in the water tank 25, the water outlet of the water pump is fixedly connected with the upper end of cleaning water pipe 26), the lower end of cleaning water pipe 26 penetrates through the left end of support plate 3 and is located above the left side of sintering barrel 4, the upper end of water tank 25 is provided with supplement pipe 11, the upper end of supplement pipe 11 penetrates through the upper side wall of shell 1.

[0028] The working principle of the vacuum high-temperature sintering furnace is as follows: first, the worker opens the material door 14, then uses a tool to remove the cover 5, then puts the magnetic material to be sintered into the inside of the sintering barrel 4, at this time the magnetic material is in direct contact with the inner layer of the sintering barrel 4, then the worker uses a tool again to connect the cover 5 and the sintering barrel 4, then the worker closes the material door 14, controls the control switch group 13 to make the vacuum pump 10 and the electric heating coil 12 work, the vacuum pump 10 sucks the gas in the inside of the sintering barrel 4 through the suction pipe and compresses it, and then discharges it from the exhaust port of the vacuum pump 10, and then discharges it from the exhaust hole to the outside of the shell 1, and the pressure in the furnace is drawn to the low vacuum range, at the same time, the electric heating coil 12 gradually increases the temperature and starts to heat the inner layer of the sintering barrel 4, at this time the heat exchange starts to heat the magnetic material, after a period of time, the atoms or molecules in the magnetic material obtain enough energy and start to diffuse and migrate, so that the pores in the material gradually decrease and the crystal grains gradually grow, so as to realize the densification of the material and the improvement of the performance, then wait for cooling, after cooling is completed, the worker opens the material door 14, controls the control switch group 13 to make the motor 8 work, the output shaft of the motor 8 drives the right rotating shaft 7 to rotate counterclockwise by thirty degrees, and then drives the sintering barrel 4 to rotate counterclockwise by thirty degrees, then the worker removes the cover 5 through a tool, and then takes out the sintered magnetic material in the inside of the sintering barrel 4, the worker controls the control switch group 13 again to make the motor 8 work, the output shaft of the motor 8 drives the right rotating shaft 7 to rotate clockwise by thirty degrees, and then drives the sintering barrel 4 to return to the original position, then drives the external water pump to spray the water in the inside of the water tank 25 into the inside of the sintering barrel 4 through the cleaning water pipe 26 (the worker can pour water into the inside of the water tank 25 through the supplement pipe 11), then the worker controls the control switch group 13 to make the motor 27 work, the output shaft of the motor 27 drives the rotating shaft 21 to rotate, at this time the cleaning roller 22 rotates synchronously through the cooperation of the key and the key groove, then the worker controls the control switch group 13 to make the electric cylinder 28 work, the telescopic end of the electric cylinder 28 pushes down the adjusting frame 24, the adjusting frame 24 drives the cleaning roller 22 to move downward through the rotating seat 23, until it enters the inside of the sintering barrel 4 to start cleaning, in this process the rotating seat 23 always rotates in the left end of the adjusting frame 24, after a period of time, the cleaning is completed, then the worker controls the control switch group 13 to make the valve 9 open, the sewage in the inside of the sintering barrel 4 is discharged and collected and treated by the worker.

[0029] It is worth noting that the motor 27 and the motor 8 disclosed in the above embodiment can be explosion-proof servo motors, the electric cylinder 28 can be a model RNF016-DTSB1 / 4-50N, the valve 9 can be a model 24-Z941H, the vacuum pump 10 can be a high-temperature-resistant rotary vane vacuum pump, and the control switch group 13 is provided with control buttons corresponding to the motor 27, the electric cylinder 28, the motor 8, the valve 9, the vacuum pump 10 and the electric heating coil 12 respectively and used for controlling the switches thereof.

[0030] The above merely illustrates the embodiments of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, which are made according to the content of the present application specification and drawings, are also included in the patent protection scope of the present application.

Claims

1. A vacuum high-temperature sintering furnace, comprising an outer shell (1), wherein vertical plates (6) are provided on both the left and right sides of the bottom wall of the outer shell (1), a sintering barrel (4) is rotatably connected between the two vertical plates (6), a cover (5) is connected to the upper end of the sintering barrel (4) via a flange, a vacuum component for creating a vacuum environment inside the sintering barrel (4) is provided on the front side of the sintering barrel (4), and a support plate (3) is provided at the upper end of the inner side of the outer shell (1), characterized in that: It also includes cleaning mechanism (2); cleaning mechanism (2): it includes rotating shaft (21), cleaning roller (22) and adjusting frame (24), the rotating shaft (21) is rotatably connected to the lower side middle part of support plate (3), the outer arc surface of rotating shaft (21) is slidably connected with cleaning roller (22), the inside of shell (1) is provided with adjusting frame (24) for adjusting the up-down position of cleaning roller (22), the cleaning roller (22) is located directly above sintering barrel (4).

2. The vacuum high-temperature sintering furnace according to claim 1, characterized in that: The front side of the shell (1) is provided with a control switch group (13), and the input end of the control switch group (13) is electrically connected to the external power supply.

3. The vacuum high-temperature sintering furnace according to claim 2, characterized in that: The cleaning mechanism (2) further comprises an electric motor (27), the electric motor (27) is installed on the upper side of the support plate (3), the output shaft of the electric motor (27) is fixedly connected with the upper end surface of the rotating shaft (21), and the input end of the electric motor (27) is electrically connected with the output end of the control switch group (13).

4. The vacuum high frequency sintering furnace according to claim 2, characterized in that: The cleaning mechanism (2) further comprises a rotating seat (23) and an electric cylinder (28), the rotating seat (23) is fixedly sleeved on the upper end outer arc surface of the cleaning roller (22), the adjusting frame (24) is rotatably connected to the middle part of the rotating seat (23), the electric cylinder (28) is installed on the upper side right end of the support plate (3), the telescopic end of the electric cylinder (28) penetrates through the right end of the support plate (3) and is fixedly connected with the upper side right end of the adjusting frame (24), and the input end of the electric cylinder (28) is electrically connected with the output end of the control switch group (13).

5. The vacuum high frequency sintering furnace according to claim 1, characterized in that: The cleaning mechanism (2) further comprises a water tank (25) and a cleaning water pipe (26), the water tank (25) is arranged on the upper side left end of the support plate (3), the lower end of the water tank (25) is provided with the cleaning water pipe (26), the lower end of the cleaning water pipe (26) penetrates through the left end of the support plate (3) and is located above the left side of the sintering barrel (4), the upper end of the water tank (25) is provided with a replenishing pipe (11), and the upper end of the replenishing pipe (11) penetrates through the upper side wall of the shell (1).

6. The vacuum high temperature sintering furnace according to claim 2, characterized in that: The inner side middle part of the vertical plate (6) is rotatably connected with a rotating shaft (7), the sintering barrel (4) is arranged between the two rotating shafts (7), the right side of the vertical plate (6) is provided with a motor (8), the output shaft of the motor (8) is fixedly connected with the right side surface of the right rotating shaft (7), and the input end of the motor (8) is electrically connected with the output end of the control switch group (13).

7. The vacuum high temperature sintering furnace according to claim 2, characterized in that: The sintering barrel (4) is composed of an outer layer and an inner layer, and an electric heating coil (12) is arranged between the outer layer and the inner layer, and the input end of the electric heating coil (12) is electrically connected with the output end of the control switch group (13).

8. The vacuum high-temperature sintering furnace according to claim 7, characterized in that: It also includes a vacuum manufacturing assembly, which is a vacuum pump (10), the vacuum pump (10) is installed on the outer arc surface front side of the sintering barrel (4), the input end of the vacuum pump (10) is electrically connected with the output end of the control switch group (13), and the rear end of the suction pipe of the vacuum pump (10) penetrates through the outer layer and the inner layer of the sintering barrel (4) in sequence and extends into the inner layer of the sintering barrel (4).

9. The vacuum high frequency sintering furnace according to claim 7, characterized in that: The inner layer lower end of the sintering barrel (4) is provided with a discharge pipeline, the lower end of the discharge pipeline penetrates the outer layer of the sintering barrel (4) and is exposed to the sintering barrel (4), the lower end of the discharge pipeline is connected with a valve (9), and the input end of the valve (9) is electrically connected with the output end of the control switch group (13).

10. The vacuum high frequency sintering furnace according to claim 1, characterized in that: The front side wall of the shell (1) is hinged with a material door (14) through a hinge, and the left side wall of the shell (1) is provided with uniformly distributed heat dissipation holes.

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