Vertical vacuum carburizing oil quenching air cooling vacuum furnace

Abstract

The utility model discloses a vertical vacuum carburizing oil quenching air cooling vacuum furnace, which belongs to the field of vacuum furnaces and comprises a base, a working furnace fixedly connected to the top of the base, a first plate fixedly connected to the inner side of the working furnace, a sliding groove formed in the top of the first plate, a first block slidably connected to the inner side of the sliding groove, and a movable frame fixedly connected to the top of the first block. And two connecting rods are rotationally connected to the inner side of the moving frame, circular plates are rotationally connected to the other ends of the two connecting rods, and a fixing frame is fixedly connected to the inner side of the base. The workpiece conveying device is reasonable in structural design, through cooperation of the motor, the screw rod, the first block and the movable frame, the workpiece conveying device can automatically convey heated workpieces to a cooling area, so that the working intensity of workers is reduced, and the working efficiency of users is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of vacuum furnace especially relates to a vertical vacuum carburizing oil quenching gas cooling vacuum furnace. BACKGROUND

[0002] In the existing heat treatment process, some metal materials need to be carburized to increase the surface hardness and wear resistance. The traditional treatment method usually includes carburizing in a non-vacuum environment, and then oil quenching or gas cooling. However, these methods have some defects, such as oxidation and decarburization during the treatment process, which affects the quality and performance of the workpiece. In addition, separate equipment is used to realize the functions of oil quenching and gas cooling, resulting in large equipment investment and large floor area.

[0003] The existing vacuum carburizing oil quenching gas cooling vacuum furnace is very troublesome when in use, because the workpiece is first heated and then sent to the cooling area by the worker. Therefore, a vertical vacuum carburizing oil quenching gas cooling vacuum furnace is proposed to solve this problem. SUMMARY

[0004] The utility model discloses a vertical vacuum carburizing oil quenching gas cooling vacuum furnace, which solves the problems in the background art.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A vertical vacuum carburizing oil quenching gas cooling vacuum furnace, comprising: a base, the top of the base is fixedly connected with a working furnace, the inner side of the working furnace is fixedly connected with a No. 1 plate, a chute is formed in the top of the No. 1 plate, a No. 1 block is slidably connected in the inner side of the chute, a moving frame is fixedly connected to the top of the No. 1 block, two connecting rods are rotatably connected to the inner side of the moving frame, two circular plates are rotatably connected to the other ends of the two connecting rods, a fixed frame is fixedly connected to the inner side of the base, two rotating rollers are rotatably connected to the inner side of the fixed frame, two closed doors are fixedly connected to the outer sides of the two rotating rollers, the bottoms of the two rotating rollers are fixedly connected to the tops of the corresponding circular plates, and a plurality of heaters are fixedly connected to the inner side of the base.

[0007] Preferably, the side of the working furnace is fixedly connected with a motor, the output end of the motor is fixedly connected with a screw rod, the outer side of the screw rod is rotatably connected to the inner wall of the side of the working furnace, and the outer side of the screw rod is threadedly connected to the inner side of the No. 1 block.

[0008] Preferably, the inner wall of one side of the moving frame is fixedly connected with an electric push rod, the output end of the electric push rod is fixedly connected with a push plate, one side of the fixed frame is fixedly connected with a fixed groove, and the inner side of the fixed groove is fixedly connected with a placing net.

[0009] Preferably, the working furnace is fixedly connected with a vacuum pump outside, the output end of the vacuum pump is fixedly connected with a vacuum pipe, the other end of the vacuum pipe is fixedly connected with the outside of the working furnace, and the outside of the working furnace is fixedly connected with a gas delivery pipe.

[0010] Preferably, the working furnace is fixedly connected with an oil delivery pipe outside, the other end of the oil delivery pipe extends to the inside of the working furnace and is fixedly connected with the inside of the fixed groove, the outside of the working furnace is fixedly connected with a refrigerator, the outside of the refrigerator is fixedly connected with an output pipe and an output pipe, the other end of the output pipe extends to the inside of the working furnace and is fixedly connected with an air blower, and the air blower is fixedly connected to one side of the fixed groove.

[0011] Preferably, the outside of the working furnace is rotatably connected with two rotating doors, and the side of the base is fixedly connected with a controller, and the controller is electrically connected with the vacuum pump and the refrigerator.

[0012] In the utility model, the rotating door on the top of the working furnace is opened, and the workpiece to be processed is placed in the inside of the movable frame, the vacuum pump is started, the environment on one side of the inside of the working furnace is in a vacuum state, when the pressure in the region reaches a specified value, the vacuum operation is completed, further, the heater is started, the temperature of the region is increased, thereby the workpiece to be processed is heated and treated, further, the carburizing medium is introduced from the gas delivery pipe, the flow and time are adjusted according to the process requirement, when the workpiece to be processed is heated and completed, cooling is needed, at this time, the motor is started, the screw rod starts to rotate, this makes the movable frame start to move horizontally, this causes the connecting rod to start to rotate, further, the round plate starts to drive the rotating roller to rotate, this makes the movable frame move;

[0013] In the utility model, the rotating door on the top of the working furnace is opened, and the workpiece to be processed is placed in the inside of the movable frame, the vacuum pump is started, the environment on one side of the inside of the working furnace is in a vacuum state, when the pressure in the region reaches a specified value, the vacuum operation is completed, further, the heater is started, the temperature of the region is increased, thereby the workpiece to be processed is heated and treated, further, the carburizing medium is introduced from the gas delivery pipe, the flow and time are adjusted according to the process requirement, when the workpiece to be processed is heated and completed, cooling is needed, at this time, the motor is started, the screw rod starts to rotate, this makes the movable frame start to move horizontally, this causes the connecting rod to start to rotate, further, the round plate starts to drive the rotating roller to rotate, this makes the movable frame move;

[0014] The utility model discloses a structure design is reasonable, through the cooperation between motor, screw rod, one -piece and movable frame, make the device can automatically transport the workpiece that heats to the cooling area, thereby reduce the work intensity of worker, further improve the working efficiency of user. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A structure schematic view of a vertical vacuum carburizing oil quenching gas cooling vacuum furnace is provided for the utility model;

[0016] Fig. 2 A sectional structure schematic view of a vertical vacuum carburizing oil quenching gas cooling vacuum furnace is provided for the utility model;

[0017] Fig. 3 A motor and screw structure schematic view is provided for the utility model.

[0018] In the figure: 1, base; 2, working furnace; 3, motor; 4, screw; 5, No. 1 block; 6, No. 1 plate; 7, moving frame; 8, electric push rod; 9, connecting rod; 10, fixed frame; 11, rotating roller; 12, round plate; 13, closing door; 14, fixed groove; 15, oil delivery pipe; 16, air blower; 17, output pipe; 18, refrigerator; 19, vacuum pump; 20, gas delivery pipe; 21, controller. DETAILED DESCRIPTION

[0019] 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, not all the embodiments.

[0020] Referring to Figs. 1-3 A vertical vacuum carburizing oil quenching gas cooling vacuum furnace, comprising: a base 1, the top of the base 1 is fixedly connected with a working furnace 2, the inner side of the working furnace 2 is fixedly connected with a No. 1 plate 6, the top of the No. 1 plate 6 is provided with a sliding groove, the inner side of the sliding groove is slidably connected with a No. 1 block 5, the top of the No. 1 block 5 is fixedly connected with a moving frame 7, the inner side of the moving frame 7 is rotatably connected with two connecting rods 9, the other ends of the two connecting rods 9 are rotatably connected with round plates 12, the inner side of the base 1 is fixedly connected with a fixed frame 10, the inner side of the fixed frame 10 is rotatably connected with two rotating rollers 11, the outer sides of the two rotating rollers 11 are fixedly connected with closing doors 13, the bottoms of the two rotating rollers 11 are fixedly connected to the tops of the corresponding round plates 12, and the inner side of the base 1 is fixedly connected with a plurality of heaters.

[0021] In this embodiment, the side of the working furnace 2 is fixedly connected with a motor 3, the output end of the motor 3 is fixedly connected with a screw 4, the outer side of the screw 4 is rotatably connected to the inner wall of the side of the working furnace 2, the outer side of the screw 4 is threadedly connected to the inner side of the No. 1 block 5, the side of the moving frame 7 is fixedly connected with an electric push rod 8, the output end of the electric push rod 8 is fixedly connected with a push plate, the side of the fixed frame 10 is fixedly connected with a fixed groove 14, the inner side of the fixed groove 14 is fixedly connected with a placing net, so that the workpiece can be stained with oil inside the fixed groove 14.

[0022] In this embodiment, the outer side of the work stove 2 is fixedly connected with a vacuum pump 19, the output end of the vacuum pump 19 is fixedly connected with a vacuum pipe, the other end of the vacuum pipe is fixedly connected with the outer side of the work stove 2, and the outer side of the work stove 2 is fixedly connected with a gas delivery pipe 20, an oil delivery pipe 15, and the other end of the oil delivery pipe 15 extends to the inner side of the work stove 2 and is fixedly connected with the inner side of the fixed groove 14, the outer side of the work stove 2 is fixedly connected with a refrigerator 18, the outer side of the refrigerator 18 is fixedly connected with an output pipe and an output pipe 17, the other end of the output pipe 17 extends to the inner side of the work stove 2 and is fixedly connected with a blower 16, the outer side of the blower 16 is fixedly connected to one side of the fixed groove 14, and the outer side of the work stove 2 is rotatably connected with two rotating doors, and one side of the base 1 is fixedly connected with a controller 21, and the controller 21 is electrically connected with the vacuum pump 19 and the refrigerator 18, so as to facilitate the user to control the device.

[0023] In this embodiment, in use, the workpiece to be treated is placed in the moving frame 7 by opening the rotating door at the top of the work stove 2, the vacuum pump 19 is started, so that the environment on one side of the work stove 2 is in a vacuum state, when the pressure in the area reaches a specified value, the vacuum operation is completed, further, the heater is started, so that the temperature of the area is raised, so as to heat the workpiece to be treated, further, the carburizing medium is introduced from the gas delivery pipe 20, and the flow and time are adjusted according to the process requirements, when the workpiece to be treated is heated, cooling is needed, at this time, the motor 3 is started, so that the screw rod 4 starts to rotate, which makes the moving frame 7 start to move horizontally, which causes the connecting rod 9 to start to rotate, further, the circular plate 12 starts to drive the rotating roller 11 to rotate, which makes the moving frame 7 move, the closing door 13 is automatically opened, the moving frame 7 is transported to the appropriate position, the electric push rod 8 is started, and the workpiece is pushed onto the placing net by the push plate, then the motor 3 is continued to be started, the moving frame 7 returns to the initial position and the closing door 13 is automatically closed, at this time, the workpiece is cooled, the oil needed for oil quenching is poured from the oil delivery pipe 15, so that the oil flows into the fixed groove 14, so as to cool the workpiece by oil quenching process, when the workpiece needs to be cooled by air cooling process, the refrigerator 18 is started, so that the outside air is cooled by the refrigerator 18 and is input into the blower 16 from the output pipe 17, the blower 16 is started to blow cold air to the workpiece, so as to complete the air cooling process, then the rotating door on the other side is opened, and the cooled workpiece is taken out.

[0024] The vertical vacuum carburizing oil quenching gas cooling vacuum furnace provided by the utility model is described in detail. The principle and implementation mode of the utility model are described by using specific examples, and the description of the above examples is only used for helping to understand the method and core idea of the utility model. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the utility model without departing from the principle of the utility model, and these improvements and modifications also fall within the protection scope of the utility model claim.

Claims

1. A vertical vacuum carburizing oil quenching gas cooling vacuum furnace characterized by, Include: The base (1), the top fixedly connected with work stove (2), the inner side of work stove (2) is fixedly connected with a board (6), the top of a board (6) is provided with the sliding slot, the inner side of sliding slot is slidably connected with a block (5), the top of a block (5) is fixedly connected with mobile frame (7), and the inner side of mobile frame (7) is rotatably connected with two connecting rods (9), two connecting rods (9) the other end is rotatably connected with round plate (12), and the inner side of fixed frame (10) is fixedly connected with the base (1), the inner side of fixed frame (10) is rotatably connected with two rotating rollers (11), and the outer side of two rotating rollers (11) is fixedly connected with closed door (13), two rotating rollers (11) bottom is fixedly connected in the top of corresponding round plate (12), and the inner side of base (1) is fixedly connected with a plurality of heaters.

2. A vertical vacuum carburizing, oil quenching and gas cooling vacuum furnace according to claim 1, characterized in that, The side of work stove (2) is fixedly connected with motor (3), the output end of motor (3) is fixedly connected with screw rod (4), the outer side of screw rod (4) is rotatably connected in the inner wall of work stove (2) side, and the outer side of screw rod (4) is threadedly connected in the inner side of a block (5).

3. The vertical vacuum carburizing, oil quenching and gas cooling vacuum furnace according to claim 1, characterized in that, The side inner wall of mobile frame (7) is fixedly connected with electric push rod (8), the output end of electric push rod (8) is fixedly connected with push plate, and the side of fixed frame (10) is fixedly connected with fixed groove (14), the inner side of fixed groove (14) is fixedly connected with the net of placing.

4. The vertical vacuum carburizing, oil quenching and gas cooling vacuum furnace according to claim 1, characterized in that, The outer side of work stove (2) is fixedly connected with vacuum pump (19), the output end of vacuum pump (19) is fixedly connected with vacuum tube, the other end of vacuum tube is fixedly connected in the outer side of work stove (2), and the outer side of work stove (2) is fixedly connected with gas pipe (20).

5. The vertical vacuum carburizing, oil quenching and gas cooling vacuum furnace according to claim 1, characterized in that, The outer side of work stove (2) is fixedly connected with oil pipe (15), and the other end of oil pipe (15) extends to the inner side of work stove (2) and is fixedly connected in the inner side of fixed groove (14), the outer side of work stove (2) is fixedly connected with refrigerator (18), the outer side of refrigerator (18) is fixedly connected with output pipe and output pipe (17), the other end of output pipe (17) extends to the inner side of work stove (2) and is fixedly connected with air blower (16), the outer side of air blower (16) is fixedly connected in the side of fixed groove (14).

6. A vertical vacuum carburizing, oil quenching and gas cooling vacuum furnace according to claim 1, characterized in that, The outer side of work stove (2) is rotatably connected with two rotating doors, and the side of base (1) is fixedly connected with controller (21), the controller (21) is electrically connected with vacuum pump (19) and refrigerator (18).

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