Vacuum quenching furnace

Abstract

The utility model discloses a vacuum quenching furnace, and relates to the technical field of quenching furnaces, in particular to a vacuum quenching furnace which comprises a quenching furnace body, a first protection box is arranged on the outer surface of the quenching furnace body, a first hydraulic oil cylinder is arranged at the top of the first protection box, and a heat insulation door is arranged at the movable end of the first hydraulic oil cylinder. A deflation valve is arranged on the outer surface of the quenching furnace, an annular partition plate is arranged in the quenching furnace, and a second hydraulic oil cylinder is arranged on the inner side wall of the annular partition plate. According to the vacuum quenching furnace, a fourth hydraulic oil cylinder, a furnace door, a first feeding trolley, a second motor, a second gear, a third gear, an axle, a second feeding trolley, a first supporting plate, a roots pump, a mechanical pump, a first hydraulic oil cylinder, a heat insulation door, a third hydraulic oil cylinder and a fourth supporting plate are arranged; the vacuum quenching furnace has the effects that the contact between workers and the quenching furnace is reduced, and the workers can conveniently put workpieces into the quenching furnace.

Description

TECHNICAL FIELD

[0001] The utility model relates to quenching furnace technical field, concretely is a vacuum quenching furnace. BACKGROUND

[0002] Vacuum quenching furnace is applicable to solid solution treatment and aging treatment of large and medium-sized vacuum product parts, and vacuum high-pressure gas quenching furnace is a very advanced vacuum heat treatment equipment, and its excellent performance and unique design provide a wide range of application high-precision parts of high-speed steel, die steel, stainless steel, alloy steel, titanium alloy and other alloy materials vacuum bright gas quenching, annealing, sintering and rapid cooling of magnetic materials and other characteristics.

[0003] The existing vacuum quenching furnace has the problems that in the process of using, since the temperature of the quenching furnace is high during the quenching of the workpiece, there is a certain risk for the operator when feeding, the operator is easy to be injured when operating improperly, has great safety hazard, and does not have the function of waste heat recovery, after the workpiece is heated and quenched, the heat of the furnace body is naturally dissipated, heat is wasted, the cooling time of the furnace body is increased, and the practicability of the vacuum quenching furnace is reduced. CONTENT OF THE UTILITY MODEL

[0004] (I) technical problems solved

[0005] In view of the defects of the prior art, the utility model provides a vacuum quenching furnace, which solves the problems in the above background.

[0006] (II) technical scheme

[0007] In order to achieve the above object, the utility model discloses a vacuum quenching furnace through the following technical schemes, a vacuum quenching furnace, the outer surface of quenching furnace is provided with first protective box, the top of first protective box is provided with first hydraulic oil cylinder, and the movable end of first hydraulic oil cylinder is provided with heat insulation door, and the outer surface of quenching furnace is provided with gas release valve, and the inside of quenching furnace is provided with annular partition, and the inner side wall of annular partition is provided with second hydraulic oil cylinder, and the movable end of second hydraulic oil cylinder is provided with first support plate, and the right of quenching furnace is provided with first feeding trolley, and the bottom of first feeding trolley is rotatably connected with first wheel through bolt, and the top of first feeding trolley is provided with second feeding trolley, and the bottom of second feeding trolley is rotatably connected with axle through bearing, and the both ends of axle are provided with second wheel, and the top of second feeding trolley is provided with third hydraulic oil cylinder, and the movable end of third hydraulic oil cylinder is provided with second support plate, and the top of second support plate is provided with backing plate, and the front of quenching furnace is provided with water storage tank, and the top of water storage tank is provided with second protective box, and the inside of second protective box is provided with first motor, and the output of first motor is provided with rotary table, and the inside of rotary table is rotatably connected with rotating lever through bearing rotating rod, and the outer surface of rotating lever is provided with twisted blade, and the top of rotating lever is provided with first gear, and the inner top wall of water storage tank is provided with internal gear.

[0008] Optionally, the outer surface of the quenching furnace is provided with a third support plate, the inside of the third support plate is rotatably connected with a connecting rod through a bearing, the outer surface of the connecting rod is provided with an L-shaped plate, one end of the L-shaped plate is provided with a furnace door, the outer surface of the quenching furnace is rotatably connected with a fourth hydraulic oil cylinder through a bolt, and the movable end of the fourth hydraulic oil cylinder is rotatably connected to one side of the L-shaped plate.

[0009] Optionally, the heat insulation door divides the quenching furnace into a cold chamber and a heating chamber, the inside of the heating chamber is provided with a fourth support plate, the bottom of the quenching furnace is provided with an oil storage tank, and the inside of the oil storage tank stores quenching oil.

[0010] Optionally, the rear of the quenching furnace is provided with a Roots pump and a mechanical pump, the suction end of the Roots pump is provided with a first connecting pipe, the other end of the first connecting pipe is arranged in the inside of the quenching furnace, the suction end of the mechanical pump is provided with a second connecting pipe, and the other end of the second connecting pipe is arranged in the inside of the quenching furnace.

[0011] Optionally, the bottom of the second feeding trolley is provided with a fifth support plate, the inside of the fifth support plate is provided with a second motor, the output of the second motor is provided with a second gear, the outer surface of one of the axles is sleeved with a third gear, the second gear is engaged with the third gear, the right ground of the quenching furnace is provided with a track, and the first wheel is clamped in the track.

[0012] Optionally, the inner side wall of the water storage tank is provided with a third protective box, the inside of the third protective box is provided with a third motor, the output of the third motor is provided with a fan blade, the inner wall of the water storage tank is provided with a ventilation hole, and the water storage tank stores clean water.

[0013] Optionally, the top of the water storage tank is provided with a first water pump, the water inlet end of the first water pump is provided with a first L-shaped pipe, the water outlet end of the first water pump is provided with a second L-shaped pipe, and the other end of the second L-shaped pipe is arranged between the annular partition plate and the inner wall of the quenching furnace.

[0014] Optionally, the right side of the water storage tank is provided with a second water pump, the water inlet end of the second water pump is provided with a third L-shaped pipe, the water outlet end of the second water pump is provided with a fourth L-shaped pipe, and the other end of the fourth L-shaped pipe is arranged between the annular partition plate and the inner wall of the quenching furnace.

[0015] The vacuum quenching furnace has the following beneficial effects:

[0016] 1. The vacuum quenching furnace has the effects of reducing the contact between the workers and the quenching furnace and facilitating the workers to put the workpieces into the quenching furnace, by means of the fourth hydraulic oil cylinder, the furnace door, the first feeding trolley, the second motor, the second gear, the third gear, the axle, the second feeding trolley, the first supporting plate, the Roots pump and the mechanical pump, the first hydraulic oil cylinder, the heat insulation door, the third hydraulic oil cylinder and the fourth supporting plate.

[0017] 2. The vacuum quenching furnace has the effects of recycling the heat of the furnace body and reducing the cooling time of the furnace body, by means of the first hydraulic oil cylinder, the heat insulation door, the second motor, the second gear, the second hydraulic oil cylinder, the first supporting plate, the annular partition plate, the second water pump, the water storage tank, the first motor, the third motor, the rotating rod and the twisted blade. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the utility model structure;

[0019] Figure 2 It is a structure schematic view of the utility model front view section;

[0020] Figure 3 It is a structure schematic view of the utility model Figure 2 It is a structure schematic view of the utility model enlarged view of A;

[0021] Figure 4 It is a structure schematic view of the utility model fourth supporting plate and second supporting plate top view;

[0022] Figure 5 It is a structure schematic view of the utility model front view section;

[0023] Figure 6 It is a structure schematic view of the utility model side view section.

[0024] In the figure: 1, the first hydraulic oil cylinder; 2, quenching furnace; 3, mechanical pump; 4, Roots pump; 5, furnace door; 6, first feeding trolley; 7, second support plate; 8, oil storage tank; 9, fourth hydraulic oil cylinder; 10, second water pump; 11, water storage tank; 12, first water pump; 13, heat insulation door; 14, fourth support plate; 15, annular partition; 16, second hydraulic oil cylinder; 17, first support plate; 18, third hydraulic oil cylinder; 19, second feeding trolley; 20, second motor; 21, second gear; 22, third gear; 23, axle; 24, third motor; 25, fan blade; 26, inner gear; 27, first motor; 28, first gear; 29, rotating rod; 30, twisted blade. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments.

[0026] Example 1

[0027] A vacuum quenching furnace 2, comprising a quenching furnace 2, the outer surface of the quenching furnace 2 is provided with a first protective box, the top of the first protective box is provided with a first hydraulic oil cylinder 1, the movable end of the first hydraulic oil cylinder 1 is provided with a heat insulation door 13, the outer surface of the quenching furnace 2 is provided with a gas release valve, the inside of the quenching furnace 2 is provided with an annular partition plate 15, the inner side wall of the annular partition plate 15 is provided with a second hydraulic oil cylinder 16, the movable end of the second hydraulic oil cylinder 16 is provided with a first supporting plate 17, the right side of the quenching furnace 2 is provided with a first feeding trolley 6, the bottom of the first feeding trolley 6 is rotatably connected with a first wheel through a bolt, the top of the first feeding trolley 6 is provided with a second feeding trolley 19, the bottom of the second feeding trolley 19 is rotatably connected with an axle 23 through a bearing, both ends of the axle 23 are provided with a second wheel, the top of the second feeding trolley 19 is provided with a third hydraulic oil cylinder 18, the movable end of the third hydraulic oil cylinder 18 is provided with a second supporting plate 7, the top of the second supporting plate 7 is provided with a backing plate, the outer surface of the quenching furnace 2 is provided with a third supporting plate, the inside of the third supporting plate is rotatably connected with a connecting rod through a bearing, the outer surface of the connecting rod is provided with an L-shaped plate, one end of the L-shaped plate is provided with a furnace door 5, the outer surface of the quenching furnace 2 is rotatably connected with a fourth hydraulic oil cylinder 9 through a bolt, the movable end of the fourth hydraulic oil cylinder 9 is rotatably connected to one side of the L-shaped plate, the rear of the quenching furnace 2 is provided with a Roots pump 4 and a mechanical pump 3, the suction end of the Roots pump 4 is provided with a first connecting pipe, the other end of the first connecting pipe is arranged in the inside of the quenching furnace 2, the suction end of the mechanical pump 3 is provided with a second connecting pipe, the other end of the second connecting pipe is arranged in the inside of the quenching furnace 2, the bottom of the second feeding trolley 19 is provided with a fifth supporting plate, the inside of the fifth supporting plate is provided with a second motor 20, the output end of the second motor 20 is provided with a second gear 21, the outer surface of one of the axles 23 is sleeved with a third gear 22, the second gear 21 is engaged with the third gear 22, the right side of the ground of the quenching furnace 2 is provided with a track, and the first wheel is clamped in the track.

[0028] In order to realize the effect of reducing the contact between the workers and the quenching furnace and facilitating the workers to put the workpieces into the quenching furnace, the vacuum quenching furnace has the advantages that Figures 1-4As shown, the application adopts the following structure: through the cooperation of the fourth hydraulic oil cylinder 9, the furnace door 5, the first feeding trolley 6, the second motor 20, the second gear 21, the third gear 22, the axle 23, the second feeding trolley 19, the first supporting plate 17, the Roots pump 4 and the mechanical pump 3, the first hydraulic oil cylinder 1, the heat insulation door 13, the third hydraulic oil cylinder 18 and the fourth supporting plate 14, in the use process, the workpiece to be heated and quenched is placed on the base plate, then the fourth hydraulic oil cylinder 9 is started through the controller, the movable end of the fourth hydraulic oil cylinder 9 retracts to pull the L-shaped plate, the L-shaped plate drives the furnace door 5 to open, then the first feeding trolley 6 is pushed, so that the first feeding trolley 6 slowly moves along the track, preventing the workpiece from falling, when the first feeding trolley moves to the quenching furnace 2, the second motor 20 is started through the controller, the output end of the second motor 20 drives the second gear 21 to rotate and the third gear 22, the third gear 22 drives the axle 23 and the second wheel to rotate, so that the second feeding trolley 19 can move to the first supporting plate 17, until the second feeding trolley 19 completely enters the quenching furnace 2, the first feeding trolley 6 is pushed away, then the fourth hydraulic oil cylinder 9 is started, the movable end of the fourth hydraulic oil cylinder 9 extends to push the L-shaped plate, the L-shaped plate pushes the furnace door 5 to close the furnace door 5, the Roots pump 4 and the mechanical pump 3 are started through the controller, so that the cold chamber and the heating chamber are pressure balanced, then the first hydraulic oil cylinder 1 is started through the controller, the first hydraulic oil cylinder 1 drives the heat insulation door 13 to rise, then the second motor 20 is started through the controller, the output end of the second motor 20 drives the second gear 21 to rotate, thereby driving the axle 23 and the second wheel to rotate, the second feeding trolley 19 moves towards the inside of the heating chamber, until the second supporting plate 7 abuts against the fourth supporting plate 14, the third hydraulic oil cylinder 18 retracts to drive the second supporting plate 7, the base plate and the workpiece to move downwards, until the base plate contacts the second supporting plate 7, then the second feeding trolley 19 moves back to the cold chamber, the first hydraulic oil cylinder 1 is started through the controller, the first hydraulic oil cylinder 1 drives the heat insulation door 13 to move downwards, when the heat insulation door 13 is completely closed, the heating chamber starts to heat the workpiece, thereby realizing the effect that the vacuum quenching furnace reduces the contact between the workers and the quenching furnace and facilitates the workers to put the workpiece into the quenching furnace.

[0029] Example 2

[0030] A vacuum quenching furnace 2, the front of the quenching furnace 2 is provided with a water storage tank 11, the top of the water storage tank 11 is provided with a second protection box, the inside of the second protection box is provided with a first motor 27, the output end of the first motor 27 is provided with a rotating disc, the inside of the rotating disc is connected with a rotating rod 29 through a bearing rotating rod, the outer surface of the rotating rod 29 is provided with a twisted blade 30, the top of the rotating rod 29 is provided with a first gear 28, the inner top wall of the water storage tank 11 is provided with an internal gear 26, the heat insulation door 13 divides the quenching furnace 2 into cold room and heating room, the inside of the heating room is provided with a fourth supporting plate 14, the bottom of the quenching furnace 2 is provided with an oil storage tank 8, the inside of the oil storage tank 8 stores quenching oil, the inner side wall of the water storage tank 11 is provided with a third protection box, the inside of the third protection box is provided with a third motor 24, the output end of the third motor 24 is provided with a fan blade 25, the inner wall of the water storage tank 11 is provided with a ventilation hole, the water storage tank 11 stores clean water, the top of the water storage tank 11 is provided with a first water pump 12, the water inlet end of the first water pump 12 is provided with a first L-shaped pipe, the water outlet end of the first water pump 12 is provided with a second L-shaped pipe, the other end of the second L-shaped pipe is arranged between the annular partition plate 15 and the inner wall of the quenching furnace 2, the right side of the water storage tank is provided with a second water pump 10, the water inlet end of the second water pump 10 is provided with a third L-shaped pipe, the water outlet end of the second water pump 10 is provided with a fourth L-shaped pipe, the other end of the fourth L-shaped pipe is arranged between the annular partition plate 15 and the inner wall of the quenching furnace 2.

[0031] In order to realize the effect of recycling the heat of the furnace body, naturally dissipating the waste heat, and reducing the cooling time of the furnace body, the vacuum quenching furnace has the structure as shown in the attached Figure 2 、 Figures 5-6As shown, the application adopts the following structure: through the cooperation of the first hydraulic oil cylinder 1, the heat insulation door 13, the second motor 20, the second gear 21, the second hydraulic oil cylinder 16, the first support plate 17, the annular partition plate 15, the second water pump 10, the water storage tank 11, the first motor 27, the third motor 24, the rotating rod 29 and the twisted blade 30, during use, after the workpiece is heated, the first hydraulic oil cylinder 1 drives the heat insulation door 13 to rise, then the second motor 20 is started through the controller, the output end of the second motor 20 drives the second gear 21 to rotate, thereby driving the axle 23 and the second wheel to rotate, the feeding trolley moves towards the inside of the heating chamber until the second support plate 7 abuts against the fourth support plate 14, the third hydraulic oil cylinder 18 is elongated, the second support plate 7 is pushed upwards until the backing plate is not in contact with the fourth support plate 14, then the second feeding trolley 19 moves backward, the first hydraulic oil cylinder 1 drives the heat insulation door 13 to descend, then the second hydraulic oil cylinder 16 is started through the controller, the second hydraulic oil cylinder 16 drives the first support plate 17, the second feeding trolley 19 and the workpiece to move downwards to the oil storage tank 8, so that the quenching oil can completely immerse the workpiece, and the workpiece is completed oil quenching, after the oil quenching is completed, the second hydraulic oil cylinder 16 drives the first support plate 17, the second feeding trolley 19 and the workpiece to rise, at this time, the workpiece still has a high temperature, the heat of the workpiece is transferred to the annular partition plate 15, the annular partition plate 15 transfers the heat to the clean water, when the temperature of the clean water is relatively high, the second water pump 10 is started through the controller, the second water pump 10 pumps the clean water between the annular partition plate 15 and the quenching furnace 2 to the water storage tank 11 through the third L-shaped pipe and the fourth L-shaped pipe, the first water pump 12 pumps the relatively cold water in the water storage tank 11 to the annular partition plate 15 and the quenching furnace 2 through the first L-shaped pipe and the second L-shaped pipe, when the relatively hot clean water contacts the clean water at normal temperature, the temperature of the clean water inside the water storage tank 11 becomes high, the first motor 27 and the third motor 24 are started through the controller, the output end of the first motor 27 drives the rotating disc, the rotating rod 29 and the twisted blade 30 to rotate, the clean water is stirred, the rotating rod 29 drives the first gear 28 to rotate at the same time, the first gear 28 meshes with the internal gear 26 to rotate, so that the rotating rod 29 and the twisted blade 30 rotate around the center line of the output end of the first motor 27 and the center line of the rotating rod 29 at the same time, the clean water is stirred, thereby accelerating the convection of the liquid, accelerating the speed of heat exchange, and the temperature is lowered faster, the output end of the third motor 24 drives the fan blade 25 to rotate, the air flow on the water surface is increased, thereby effectively helping the water to be cooled, at the same time, the water with a relatively high temperature can be pumped out of the water storage tank 11 for other purposes, thereby realizing that the vacuum quenching furnace has the effects of recycling the heat of the furnace body, naturally dissipating the existing heat, reducing the cooling time of the furnace body and the like.

[0032] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A vacuum quenching furnace comprising a quenching furnace, characterized in that: The outer surface of the quenching furnace is provided with a first protective box, the top of the first protective box is provided with a first hydraulic oil cylinder, the movable end of the first hydraulic oil cylinder is provided with a heat insulation door, the outer surface of the quenching furnace is provided with a gas release valve, the inside of the quenching furnace is provided with an annular partition plate, the inner side wall of the annular partition plate is provided with a second hydraulic oil cylinder, the movable end of the second hydraulic oil cylinder is provided with a first supporting plate, the right side of the quenching furnace is provided with a first feeding trolley, the bottom of the first feeding trolley is rotatably connected with a first wheel through a bolt, the top of the first feeding trolley is provided with a second feeding trolley, the bottom of the second feeding trolley is rotatably connected with an axle through a bearing, the both ends of the axle are provided with second wheels, the top of the second feeding trolley is provided with a third hydraulic oil cylinder, the movable end of the third hydraulic oil cylinder is provided with a second supporting plate, the top of the second supporting plate is provided with a backing plate, the front of the quenching furnace is provided with a water storage tank, the top of the water storage tank is provided with a second protective box, the inside of the second protective box is provided with a first motor, the output end of the first motor is provided with a rotating disc, the inside of the rotating disc is rotatably connected with a rotating rod through a bearing rotating rod, the outer surface of the rotating rod is provided with a twisted blade, the top of the rotating rod is provided with a first gear, and the inner top wall of the water storage tank is provided with an internal gear.

2. A vacuum quenching furnace according to claim 1, characterized in that: The outer surface of the quenching furnace is provided with a third supporting plate, the inside of the third supporting plate is rotatably connected with a connecting rod through a bearing, the outer surface of the connecting rod is provided with an L-shaped plate, one end of the L-shaped plate is provided with a furnace door, the outer surface of the quenching furnace is rotatably connected with a fourth hydraulic oil cylinder through a bolt, and the movable end of the fourth hydraulic oil cylinder is rotatably connected to one side of the L-shaped plate.

3. A vacuum quenching furnace according to claim 1, characterized in that: The heat insulation door divides the quenching furnace into a cold chamber and a heating chamber, the inside of the heating chamber is provided with a fourth supporting plate, the bottom of the quenching furnace is provided with an oil storage tank, and the inside of the oil storage tank stores quenching oil.

4. The vacuum quenching furnace according to claim 1, characterized in that: The rear of the quenching furnace is provided with a Roots pump and a mechanical pump, the gas suction end of the Roots pump is provided with a first connecting pipe, the other end of the first connecting pipe is arranged in the inside of the quenching furnace, the gas suction end of the mechanical pump is provided with a second connecting pipe, and the other end of the second connecting pipe is arranged in the inside of the quenching furnace.

5. The vacuum quenching furnace according to claim 1, characterized in that: The bottom of the second feeding trolley is provided with a fifth supporting plate, the inside of the fifth supporting plate is provided with a second motor, the output end of the second motor is provided with a second gear, the outer surface of one of the axles is sleeved with a third gear, the second gear is engaged with the third gear, the right side of the ground of the quenching furnace is provided with a track, and the first wheel is clamped in the track.

6. A vacuum quenching furnace according to claim 1, characterized in that: The inner side wall of the water storage tank is provided with a third protective box, the inside of the third protective box is provided with a third motor, the output end of the third motor is provided with a fan blade, the inner wall of the water storage tank is provided with a ventilation hole, and the water storage tank stores clean water.

7. A vacuum quenching furnace according to claim 1, characterized in that: The top of the water storage tank is provided with a first water pump, the water inlet end of the first water pump is provided with a first L-shaped pipe, the water outlet end of the first water pump is provided with a second L-shaped pipe, and the other end of the second L-shaped pipe is arranged between the annular partition plate and the inner wall of the quenching furnace.

8. A vacuum quenching furnace according to claim 1, characterized in that: The right side of the water storage tank is provided with a second water pump, the water inlet end of the second water pump is provided with a third L-shaped pipe, the water outlet end of the second water pump is provided with a fourth L-shaped pipe, and the other end of the fourth L-shaped pipe is arranged between the annular partition plate and the inner wall of the quenching furnace. The right side of the water storage tank is provided with a second water pump, the water inlet end of the second water pump is provided with a third L-shaped pipe, the water outlet end of the second water pump is provided with a fourth L-shaped pipe, and the other end of the fourth L-shaped pipe is arranged between the annular partition plate and the inner wall of the quenching furnace.

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