Automatic control pulse ion nitriding equipment

Abstract

The utility model discloses automatic control pulse ion nitriding equipment which comprises a furnace body, an air supply pipe is detachably connected to the side wall of one side, close to the bottom end, of the furnace body, an adjusting pipe is detachably connected to the air supply pipe, an opening and closing plate is rotationally connected into the adjusting pipe, and a pressure adjusting box is detachably connected to the side wall of one side of the furnace body. The side wall of the furnace body is connected with the pressure regulating box, the side wall of the top in the pressure regulating box is detachably connected with an air storage bag, the side wall of the bottom of the air storage bag is fixedly connected with a communicating pipe, and one end of the communicating pipe is detachably connected with the side wall of the furnace body. When the air pressure in the furnace body is too high, the rotating plate is pushed away, air enters the communicating pipe and then enters the air storage bag, when the air pressure in the furnace body is too low, reverse driving is conducted, it is guaranteed that the air pressure in the furnace body is constant, and extra air can be supplemented by opening and closing the opening and closing plate in the process.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of metal nitriding equipment technical field, specifically related to a kind of automatic control pulse ion nitriding equipment. BACKGROUND

[0002] Nitriding equipment is one of the equipment for processing metal workpieces, nitrogen atoms can be penetrated into the surface layer of metal workpieces through nitriding furnace to improve the wear resistance, fatigue resistance, corrosion resistance and other characteristics of metal workpieces, and it is one of the important processes for processing metal workpieces now. There are many types of nitriding furnaces now, and ion nitriding is a common nitriding process. Ions are generated under the action of an electric field, and then the ions are penetrated into the metal. The gas filled into the furnace is ionized under the action of an electric field, and the ions are penetrated into the surface layer of the metal. However, it is necessary to ensure that the furnace is under a certain pressure and balanced with the atmospheric pressure, otherwise the production will fail. This is usually controlled by the controller during production by the staff, which requires the staff to adjust at any time, occupies a high labor, and reduces the efficiency. Therefore, an automatic control pulse ion nitriding equipment is proposed.

[0003] The gas filled into the furnace is ionized under the action of an electric field, and the ions are penetrated into the surface layer of the metal. However, it is necessary to ensure that the furnace is under a certain pressure and balanced with the atmospheric pressure, otherwise the production will fail. This is usually controlled by the controller during production by the staff, which requires the staff to adjust at any time, occupies a high labor, and reduces the efficiency. Therefore, an automatic control pulse ion nitriding equipment is proposed. SUMMARY

[0004] The utility model solves the technical problem by adopting the technical scheme of a kind of automatic control pulse ion nitriding equipment, including furnace body, the side wall of furnace body near bottom end is detachably connected with gas supply pipe, the gas supply pipe is detachably connected with adjusting pipe, the adjusting pipe is rotatably connected with opening and closing plate, the side wall of one side of furnace body is detachably connected with pressure regulating box, the top side wall in pressure regulating box is detachably connected with gas storage bag, the bottom side wall of gas storage bag is fixedly connected with communication pipe, one end of communication pipe is detachably connected with the side wall of furnace body.

[0005] As a preferred technical scheme of the utility model, the gas storage bag is an elastic air bag structure, the communication pipe is an L-shaped structure, the inside of one end of the communication pipe near the furnace body is rotatably connected with a rotating plate by a torsional spring in the vertical direction, and the furnace body is communicated with the gas storage bag through the communication pipe.

[0006] As a preferred technical scheme of the utility model, the top side wall of the adjusting pipe is detachably connected with a fixed box, the inside of the fixed box near both ends is provided with a mounting cavity, and the inside of the mounting cavity is detachably connected with an extension rod and a motor, respectively. Airtight ring is fixedly connected in the bottom opening of the two mounting cavities, the mounting cavity is communicated with the inside of the adjusting pipe, and the output end of the motor is detachably connected with the top side wall of the opening and closing plate through the airtight ring.

[0007] As a preferred technical scheme of the utility model, the blocking block is fixedly connected to the inner side wall of the adjusting pipe and is close to the bottom of one end, the side opposite to the opening and closing plate of the blocking block is of inclined structure, the flow adjusting plate is arranged on the side of the blocking block away from the opening and closing plate, the top of the flow adjusting plate is rotatably connected to the top inner side wall of the adjusting pipe through the torsional spring, and the output end of the telescopic rod extends into the adjusting pipe through the sealing ring and is located on the side of the flow adjusting plate away from the opening and closing plate.

[0008] As a preferred technical scheme of the utility model, the furnace body is internally connected with a placing platform, the top of the furnace body is detachably connected with an enclosing plate, the middle of the top side wall of the enclosing plate is detachably connected with a control box, the side walls on both sides of the top of the enclosing plate and located at the control box are detachably connected with an exhaust pipe and a gas pressure instrument respectively, and the exhaust pipe is detachably connected with an adjusting pipe.

[0009] The utility model has the advantages that an adjusting pipe is connected to the gas conveying pipe, the motor is started to drive the opening and closing plate to rotate when the gas needs to be conveyed into the furnace body, the opening and closing mode is similar to that of a butterfly valve, the gas enters the furnace body along the adjusting pipe and the gas conveying pipe after the opening and closing plate is opened, the gas required for nitrogenation is filled in the furnace body, the motor is started to drive the opening and closing plate to rotate and close when the gas pressure in the furnace body reaches a certain interval, the gas conveying is stopped, the control box and the gas pressure instrument are arranged to detect the gas pressure in real time, the motor and the telescopic rod are electrically connected with the control box, automatic control is realized, the staff need not monitor and adjust in real time, the automation effect and the production efficiency are improved.

[0010] The pressure regulating box is connected to the side wall of the furnace body, the gas tank and the communication pipe are connected in the pressure regulating box, the rotating plate is pushed away when the gas pressure in the furnace body is too high, the gas enters the communication pipe and then enters the gas tank, the gas pressure in the furnace body is kept constant when the gas pressure in the furnace body is too low, the opening and closing plate is additionally used to supplement the gas. DRAWINGS

[0011] Figure 1 It is a three-dimensional structure schematic view of a preferred embodiment of the utility model;

[0012] Figure 2 It is an inner structure schematic view of the adjusting pipe of a preferred embodiment of the utility model;

[0013] Figure 3 It is a pressure regulating box structure schematic view of a preferred embodiment of the utility model;

[0014] Figure 4 It is a gas tank and communication pipe structure schematic view of a preferred embodiment of the utility model.

[0015] Explanation of reference signs: 1, furnace body; 2, pressure regulating tank; 3, gas feeding pipe; 4, adjusting pipe; 5, placing platform; 6, sealing plate; 7, exhaust pipe; 8, control tank; 9, gas pressure instrument; 10, fixing tank; 11, mounting cavity; 12, motor; 13, telescopic rod; 14, airtight ring; 15, flow regulating plate; 16, stop block; 17, opening and closing plate; 18, gas storage bag; 19, communication pipe; 20, rotating plate. DETAILED DESCRIPTION

[0016] The utility model will be further explained in connection with the drawings.

[0017] Please see Figures 1-4 The utility model discloses an automatic control pulse ion nitriding equipment, including furnace body 1, the side wall of furnace body 1 near bottom end is detachably connected with gas feeding pipe 3, and the detachable connection of gas feeding pipe 3 has adjusting pipe 4, and the detachable connection of adjusting pipe 4 has opening and closing plate 17 in, and the side wall of one side of furnace body 1 is detachably connected with pressure regulating tank 2, and the detachable connection of pressure regulating tank 2 has gas storage bag 18 in top side wall, and the bottom side wall of gas storage bag 18 is fixedly connected with communication pipe 19, and one end of communication pipe 19 is detachably connected with the side wall of furnace body 1;

[0018] The detachable connection of the top side wall of adjusting pipe 4 has fixing tank 10, and the inside of both ends of fixing tank 10 is close to and is equipped with mounting cavity 11, and the detachable connection of two mounting cavities 11 has telescopic rod 13 and motor 12 respectively in two mounting cavities 11, and the bottom opening of two mounting cavities 11 is fixedly connected with airtight ring 14, and mounting cavity 11 communicates with the inside of adjusting pipe 4, and the detachable connection of the output of motor 12 and the top side wall of opening and closing plate 17 is passed through airtight ring 14, and the fixed connection of the bottom side wall of adjusting pipe 4 and one end close to is stop block 16, and the side opposite to opening and closing plate 17 of stop block 16 is inclined structure, and the side away from opening and closing plate 17 of stop block 16 is equipped with flow regulating plate 15, and the top of flow regulating plate 15 is rotatably connected on the top side wall in adjusting pipe 4 through torsional spring, and the output of telescopic rod 13 is passed through airtight ring 14 and extends into adjusting pipe 4 and is located at the side of flow regulating plate 15 away from opening and closing plate 17.

[0019] The technical benefits of this solution are as follows: The motor 12 and telescopic rod 13 are electrically connected to the control box 8 via wires or a remote control component. The pressure gauge 9 is also electrically connected to the control box 8. This allows the pressure changes measured by the pressure gauge 9 to control the motor 12 and telescopic rod 13 via the control box 8. During processing, the motor 12 drives the opening and closing plate 17 to rotate and open, allowing gas to flow along the gas supply pipe 3 and finally enter the furnace body 1. The pressure gauge 9 monitors the internal pressure of the furnace body 1 in real time. When the pressure reaches a suitable range, the control box 8 starts the motor 12 to rotate and drive the opening and closing plate 17 to rotate and close, thus stopping the gas delivery. This achieves automated gas delivery control, eliminating the need for frequent monitoring or constant monitoring of the controller, thus freeing up considerable labor.

[0020] The air bladder 18 is an elastic air bladder structure, and the connecting pipe 19 is an L-shaped structure. The end of the connecting pipe 19 closest to the furnace body 1 is vertically connected to a rotating plate 20 via a torsion spring. The furnace body 1 is connected to the air bladder 18 via the connecting pipe 19. A placement platform 5 is connected inside the furnace body 1. A sealing plate 6 is detachably connected to the top of the furnace body 1. A control box 8 is detachably connected to the middle of the top side wall of the sealing plate 6. An exhaust pipe 7 and a pressure gauge 9 are detachably connected to the top of the sealing plate 6 and to the two side walls of the control box 8, respectively. An adjusting pipe 4 is detachably connected to the exhaust pipe 7.

[0021] The technical effect of this solution is as follows: when the gas pressure inside the furnace body 1 is too high, the rotating plate 20 will be pushed open, so that the gas inside the furnace body 1 will enter the gas storage bag 18 through the connecting pipe 19, and the gas pressure inside the furnace body 1 will decrease. When the gas pressure inside the furnace body 1 is too low, the gas in the gas storage bag 18 will enter the furnace body 1 through the connecting pipe 19, thus ensuring the constant gas pressure inside the furnace body 1 and avoiding excessively high or low pressure from affecting the normal processing of the furnace body 1.

[0022] Specifically, the utility model uses, place the metal work piece that needs processing in the placing platform 5, close the furnace body 1 top in the sealing plate 6, guarantee the relative sealing inside the furnace body 1, then pass through the gas pipe 3 and pass into the gas inside the furnace body 1, with this, the original air inside the furnace body 1 is discharged from the exhaust pipe 7, simultaneously also connect an adjusting pipe 4 on the exhaust pipe 7, like this can realize the opening and closing control of automation, when the gas inside the furnace body 1 is discharged, pass through the motor 12 and close the adjusting pipe 4 on the exhaust pipe 7, like this can guarantee the airtight space inside the furnace body 1, at this time, continue to pass into the gas through the gas pipe 3 and it will gradually accumulate inside the furnace body 1, when the gas reaches certain interval, close the adjusting pipe 4 on the gas pipe 3 and stop the gas delivery, then carry out nitriding processing, send a certain amount of gas in the pressure regulating tank 2 in advance, guarantee when the pressure in the furnace body 1 is too big or too small and will rush off the rotating plate 20, according to the gas pressure size on both sides, the gas automatically flows, guarantee the constancy of the gas pressure inside the furnace body 1, because the gas storage bag 18 is elastic structure, can guarantee the smoothness of gas delivery, the adjusting pipe 4 on the gas pipe 3 is opened in time in this process, realize the additional supplement of gas, according to the need, adjust the extension length of telescopic link 13 and limit the rotation opening angle of flow regulating plate 15, realize the control of gas flow, improve the accuracy of gas delivery.

[0023] The above is only the preferred embodiment of the utility model, it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, can make a number of improvements and refinements, these improvements and refinements also should be considered as the protection scope of the utility model.

[0024] Other parts not detailed in the utility model are all prior art, therefore, here will not be elaborated.

[0025] Finally, it should be noted that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features, and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. An automatically controlled pulse ion nitriding device, comprising a furnace body (1), characterized in that, A gas supply pipe (3) is detachably connected to one side wall of the furnace body (1) near the bottom. An adjusting pipe (4) is detachably connected to the gas supply pipe (3). An opening and closing plate (17) is rotatably connected inside the adjusting pipe (4). A pressure regulating box (2) is detachably connected to one side wall of the furnace body (1). A gas storage bag (18) is detachably connected to the top side wall of the pressure regulating box (2). A connecting pipe (19) is fixedly connected to the bottom side wall of the gas storage bag (18). One end of the connecting pipe (19) is detachably connected to the side wall of the furnace body (1).

2. The automatically controlled pulsed ion nitriding device as described in claim 1, characterized in that, The gas storage bladder (18) is an elastic gas bladder structure, and the connecting pipe (19) is an L-shaped structure. The connecting pipe (19) has a rotating plate (20) connected to the end of the furnace body (1) by a torsion spring. The furnace body (1) is connected to the gas storage bladder (18) through the connecting pipe (19).

3. The automatically controlled pulsed ion nitriding device as described in claim 1, characterized in that, The top sidewall of the regulating tube (4) is detachably connected to a fixed box (10). The fixed box (10) has an installation cavity (11) near both ends. The two installation cavities (11) are detachably connected to a telescopic rod (13) and a motor (12). The bottom openings of the two book-searching installation cavities (11) are fixedly connected to a sealing ring (14). The installation cavity (11) communicates with the inside of the regulating tube (4). The output end of the motor (12) passes through the sealing ring (14) and is detachably connected to the top sidewall of the opening and closing plate (17).

4. The automatically controlled pulsed ion nitriding device as described in claim 3, characterized in that, A stop block (16) is fixedly connected inside the regulating pipe (4) and near the bottom side wall of one end. The side of the stop block (16) opposite to the opening and closing plate (17) is inclined. A flow regulating plate (15) is provided on the side of the stop block (16) away from the opening and closing plate (17). The top of the flow regulating plate (15) is rotatably connected to the top side wall inside the regulating pipe (4) by a torsion spring. The output end of the telescopic rod (13) extends into the regulating pipe (4) through the sealing ring (14) and is located on the side of the flow regulating plate (15) away from the opening and closing plate (17).

5. The automatically controlled pulsed ion nitriding device as described in claim 1, characterized in that, The furnace body (1) is connected to a placement platform (5) inside. The top of the furnace body (1) is detachably connected to a sealing plate (6). The top side wall of the sealing plate (6) is detachably connected to a control box (8). The top of the sealing plate (6) and the two side walls of the control box (8) are respectively detachably connected to an exhaust pipe (7) and a pressure gauge (9). The exhaust pipe (7) is detachably connected to an regulating pipe (4).

Images