Novel valve heat treatment furnace

Abstract

The utility model belongs to the technical field of valve treatment, and particularly relates to a novel valve heat treatment furnace which comprises a furnace body. A partition plate is fixedly installed in the middle of an inner cavity of the furnace body, a quenching cavity is formed in the left side of the partition plate, a tempering cavity is formed in the right side of the partition plate, a lead screw is movably installed at the bottom of the inner cavity of the furnace body, and a movable block is installed on the surface of the lead screw in a threaded mode. The quenching cavity and the tempering cavity are formed in the furnace body, quenching and tempering can be carried out in the same space in the valve treatment process, the action space is greatly saved, the placement mechanism is controlled to move through the lead screw, the valve can be quenched and tempered for multiple times, and the optimal treatment effect is achieved; and the movable block is limited in the groove in the bottom, and the screw rod can drive the movable block to linearly move left and right in the rotating process, so that the air valve placed on the surface of the placing mechanism can pass through the quenching cavity and the tempering cavity for multiple times, and multiple quenching and tempering are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve processing, in particular to a novel valve heat treatment furnace. Background Art

[0002] The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. The temperature of the valve head is very high, and it also bears the pressure of the gas, the force of the valve spring and the inertia force of the transmission components. Its lubrication and cooling conditions are poor, and the valve must have certain strength, rigidity, heat resistance and wear resistance.

[0003] A novel heat treatment furnace with publication number CN219368369U comprises a furnace body, wherein a heat treatment structure is arranged in the furnace body, wherein the heat treatment structure comprises an outer shell, wherein the lower surface of the outer shell is fixedly connected to the inner wall of the furnace body, the connecting rod is movably connected to the inner wall of the outer shell through a pin shaft, and the two clamping plates are respectively slidably connected through a slideway processed on the outer shell and penetrate the outer shell, and the surfaces of the two clamping plates are respectively fixedly connected to the surfaces of two first heating plates, and the workpiece to be heat treated is placed on the second heating plate through the cooperation of the heat treatment structure, the second heating plate and the third heating plate, and the motor is started to drive the lead screw to rotate, and the rotation of the lead screw drives the threaded seat to move downward, driving the first straight rod and the second straight rod on both sides to swing relative to each other, and at the same time driving the connecting rods on both sides to swing relative to each other, so as to transfer heat to each heating plate, and heat the four sides of the workpiece. The workpiece can be heat treated quickly, thereby improving work efficiency.

[0004] However, based on the working principle proposed in the above patent, the applicant believes that although the above device can improve the working efficiency to a certain extent, in actual use, the valve needs to enhance its toughness and rigidity, and the heat treatment needs to undergo multiple quenching and tempering. The above device lacks effective functions and is likely to affect the production quality of the valve.

[0005] Therefore, a new valve heat treatment furnace is proposed to address the above problems. Utility Model Content

[0006] The technical problem to be solved by the utility model is that the prior art has the disadvantage of being unable to quench and temper, for which we propose a novel valve heat treatment furnace.

[0007] The technical solution adopted by the utility model to solve its technical problems is: a new type of valve heat treatment furnace, comprising a furnace body; a partition is fixedly installed in the middle part of the inner cavity of the furnace body, a quenching chamber is arranged on the left side of the partition, and a tempering chamber is arranged on the right side of the partition, a screw is movably installed at the bottom of the inner cavity of the furnace body, a movable block is threadedly installed on the surface of the screw, and a placement mechanism is fixedly installed on the top of the movable block; the placement mechanism comprises a support column, the support column is fixedly installed on the top of the movable block, a fireproof and heat-insulating shell is fixedly installed on the top of the support column, a micro-control motor is arranged on the inner side of the fireproof and heat-insulating shell, a ceramic tray is movably installed on the top of the fireproof and heat-insulating shell, and a placement ring is arranged on the surface of the ceramic tray.

[0008] Preferably, an upper flame spray gun is fixedly installed on the top of the quenching chamber, and a lower flame spray gun is fixedly installed on the bottom of the quenching chamber. The other ends of the upper flame spray gun and the lower flame spray gun are fixedly connected to gas delivery flanges.

[0009] Preferably, a water tank is fixedly installed on the top of the tempering chamber, and a support rod is fixedly installed on the left side of the water tank.

[0010] Preferably, a water inlet pipe is fixedly installed on the right side of the water tank, and a high-pressure nozzle is fixedly installed on the bottom of the water tank.

[0011] Preferably, a booster box is fixedly installed on the outside of the water inlet pipe and on the back of the furnace body, a water inlet flange is fixedly installed on the outside of the booster box, and a micro booster pump is fixedly installed on the bottom of the booster box.

[0012] Preferably, a servo motor is fixedly mounted on the top end of the screw rod and located on the back side of the furnace body, and a reinforcement shell is fixedly mounted on the outer side of the servo motor.

[0013] Preferably, a circular cover is movably mounted on the front of the furnace body, a glass window is provided on the surface of the circular cover, and a pull block is fixedly mounted on the surface of the circular cover.

[0014] The beneficial effects of the utility model are:

[0015] 1. The utility model can make quenching and tempering in the same space during valve processing by respectively setting a quenching chamber and a tempering chamber in the furnace body, which greatly saves working space, and can make the valve quenched and tempered multiple times by controlling the displacement of the placement mechanism through the screw rod, so as to achieve the best processing effect. The movable block is threadedly connected with the screw rod, and the movable block is limited in the groove at the bottom. During the rotation of the screw rod, the movable block can be driven to form a left and right linear displacement, so that the valve placed on the surface of the placement mechanism can pass through the quenching chamber and the tempering chamber multiple times to achieve multiple quenching and tempering. The ceramic tray is made of ceramic as a whole, and has excellent high temperature resistance. A protective shell made of flame-retardant heat-insulating material is provided at the bottom of the tray to prevent the micro-control motor in the shell from overheating. The placement mechanism is used to place the valve as a whole, which is convenient for users to quench the valve up and down at the same time;

[0016] 2. The utility model can quench and heat the upper and lower surfaces of the valve placed on the surface of the tray at the same time through the arrangement of the upper flamethrower and the lower flamethrower. The arrangement of the gas transmission flange facilitates the introduction of fuel required by the flamethrower from the outside. The arrangement of the water storage tank facilitates the temporary storage of water for tempering and cooling. The arrangement of the high-pressure nozzle can guide the cooling water to the surface of the valve. A hidden pipe opening for water outlet is arranged at the bottom of the tempering chamber. The arrangement of the booster box facilitates the appropriate pressurization of the cooling water. The arrangement of the water inlet flange facilitates the external connection of a water transmission pipeline. The arrangement of the servo motor can drive the internal screw to rotate, thereby driving the operation of the entire device. The arrangement of the circular cover plate can facilitate the user to open the furnace body and place the valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 It is a front view stereogram of the overall structure of the utility model;

[0019] Figure 2 It is a back perspective view of the overall structure of the utility model;

[0020] Figure 3 It is a sectional stereoscopic diagram of the furnace structure of the utility model;

[0021] Figure 4 It is a top-view stereoscopic enlarged view of the placement mechanism structure of the utility model;

[0022] Figure 5 It is an enlarged bottom-up stereoscopic view of the water storage tank structure of the utility model;

[0023] Figure 6 It is an enlarged bottom-view stereoscopic diagram of the placement mechanism structure of the utility model.

[0024] In the figure: 1. furnace body; 2. partition; 3. quenching chamber; 4. tempering chamber; 5. screw; 6. movable block; 7. placement mechanism; 701. support column; 702. fireproof and heat-insulating shell; 703. ceramic tray; 704. placement ring; 8. upper flamethrower; 9. lower flamethrower; 10. gas transmission flange; 11. water storage tank; 12. support rod; 13. water inlet pipe; 14. high-pressure nozzle; 15. booster box; 16. water inlet flange; 17. micro booster pump; 18. servo motor; 19. reinforcement shell; 20. round cover plate; 21. glass window; 22. pull block. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] The following is combined with Figure 1-6 To further explain this application in detail,

[0027] The embodiment of the present application discloses a novel valve heat treatment furnace. Figure 3 and Figure 4A novel valve heat treatment furnace comprises a furnace body 1; a partition 2 is fixedly installed in the middle part of the inner cavity of the furnace body 1, a quenching cavity 3 is arranged on the left side of the partition 2, a tempering cavity 4 is arranged on the right side of the partition 2, a screw rod 5 is movably installed at the bottom of the inner cavity of the furnace body 1, a movable block 6 is threadedly installed on the surface of the screw rod 5, and a placement mechanism 7 is fixedly installed on the top of the movable block 6; the placement mechanism 7 comprises a support column 701, the support column 701 is fixedly installed on the top of the movable block 6, a fireproof heat insulation shell 702 is fixedly installed on the top of the support column 701, a micro control motor is arranged inside the fireproof heat insulation shell 702, a ceramic tray 703 is movably installed on the top of the fireproof heat insulation shell 702, and a placement ring 704 is arranged on the surface of the ceramic tray 703; by respectively arranging the quenching cavity 3 and the tempering cavity 4 on the furnace body 1, During the valve processing, quenching and tempering can be carried out in the same space, which greatly saves the working space. By controlling the displacement of the placement mechanism 7 through the screw rod 5, the valve can be quenched and tempered multiple times to achieve the best processing effect. The movable block 6 is threadedly connected to the screw rod 5, and the movable block 6 is confined in the groove at the bottom. During the rotation of the screw rod 5, the movable block 6 can be driven to form a left and right linear displacement, so that the valve placed on the surface of the placement mechanism 7 can pass through the quenching chamber 3 and the tempering chamber 4 multiple times to achieve multiple quenching and tempering. The ceramic tray 703 is made of ceramic as a whole and has excellent high temperature resistance. A protective shell made of flame-retardant and heat-insulating material is provided at the bottom of the tray to prevent the micro-control motor in the shell from overheating. The placement mechanism 7 is used as a whole to place the valve, which is convenient for the user to quench the valve simultaneously up and down.

[0028] Reference Figure 3 and Figure 6 An upper flame spray gun 8 is fixedly installed on the top of the quenching chamber 3, and a lower flame spray gun 9 is fixedly installed on the bottom of the quenching chamber 3. The other ends of the upper flame spray gun 8 and the lower flame spray gun 9 are fixedly connected to a gas supply flange 10; through the arrangement of the upper flame spray gun 8 and the lower flame spray gun 9, the upper and lower surfaces of the valve placed on the surface of the tray can be quenched and heated at the same time, and through the arrangement of the gas supply flange 10, it is convenient to introduce the fuel required by the flame spray gun from the outside.

[0029] Reference Figure 3 and Figure 5 A water tank 11 is fixedly installed on the top of the tempering chamber 4, and a support rod 12 is fixedly installed on the left side of the water tank 11; the setting of the water tank 11 is convenient for temporarily storing water for tempering and cooling.

[0030] Reference Figure 3 and Figure 5 A water inlet pipe 13 is fixedly installed on the right side of the water tank 11, and a high-pressure nozzle 14 is fixedly installed on the bottom of the water tank 11; through the setting of the high-pressure nozzle 14, the cooling water can be guided to the surface of the valve, and a hidden pipe outlet for water outlet is set at the bottom of the tempering chamber 4.

[0031] Reference Figure 2 and Figure 3 A booster box 15 is fixedly installed on the outside of the water inlet pipe 13 and on the back of the furnace body 1, a water inlet flange 16 is fixedly installed on the outside of the booster box 15, and a micro booster pump 17 is fixedly installed on the bottom of the booster box 15; the setting of the booster box 15 facilitates the appropriate pressurization of the cooling water, and the setting of the water inlet flange 16 facilitates the external connection of a water transmission pipeline.

[0032] Reference Figure 2 and Figure 3 A servo motor 18 is fixedly installed at the top of the screw rod 5 and on the back of the furnace body 1, and a reinforcement shell 19 is fixedly installed on the outside of the servo motor 18; through the setting of the servo motor 18, the internal screw rod 5 can be driven to rotate, thereby driving the operation of the entire device.

[0033] Reference Figure 1 and Figure 2 A circular cover plate 20 is movably installed on the front of the furnace body 1, a glass window 21 is arranged on the surface of the circular cover plate 20, and a pull block 22 is fixedly installed on the surface of the circular cover plate 20; through the arrangement of the circular cover plate 20, it is convenient for the user to open the furnace body 1 and place the valve.

[0034] Working principle: When the device is used, first open the circular cover plate 20, control the placement mechanism 7 to the cover plate outlet through the servo motor 18, and then place the valve components one by one on the placement ring 704. After closing the circular cover plate 20, connect the gas cylinder to the outside of the flamethrower and turn on the flamethrower. The flamethrower is set up both above and below, so that the upper and lower surfaces of the valve can be quenched at the same time. The tray can be controlled to rotate appropriately through the micro motor inside the placement mechanism 7, so as to control the quenching of multiple valves. After quenching, the placement mechanism 7 can move the valve to the tempering chamber 4, and control the cooling water flow to be poured on the surface of the valve through the high-pressure nozzle 14 to quickly cool it down. By quenching and tempering the valve, the toughness and strength of the valve can be enhanced, and the quality of heat treatment can be greatly improved.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A new type of valve heat treatment furnace, characterized by: It comprises a furnace body (1); a partition (2) is fixedly installed in the middle part of the inner cavity of the furnace body (1); a quenching chamber (3) is arranged on the left side of the partition (2); a tempering chamber (4) is arranged on the right side of the partition (2); a screw rod (5) is movably installed at the bottom of the inner cavity of the furnace body (1); a movable block (6) is threadedly installed on the surface of the screw rod (5); and a placement mechanism (7) is fixedly installed on the top of the movable block (6); The placement mechanism (7) comprises a support column (701), wherein the support column (701) is fixedly mounted on the top of the movable block (6), a fireproof heat-insulating shell (702) is fixedly mounted on the top of the support column (701), a micro-control motor is arranged inside the fireproof heat-insulating shell (702), a ceramic tray (703) is movably mounted on the top of the fireproof heat-insulating shell (702), and a placement ring (704) is arranged on the surface of the ceramic tray (703).

2. A novel valve heat treatment furnace according to claim 1, characterized in that: An upper flame spray gun (8) is fixedly mounted on the top of the quenching chamber (3), and a lower flame spray gun (9) is fixedly mounted on the bottom of the quenching chamber (3). The other ends of the upper flame spray gun (8) and the lower flame spray gun (9) are fixedly connected to a gas delivery flange (10).

3. A novel valve heat treatment furnace according to claim 1, characterized in that: A water tank (11) is fixedly mounted on the top of the tempering chamber (4), and a support rod (12) is fixedly mounted on the left side of the water tank (11).

4. A novel valve heat treatment furnace according to claim 3, characterized in that: A water inlet pipe (13) is fixedly installed on the right side of the water storage tank (11), and a high-pressure nozzle (14) is fixedly installed on the bottom of the water storage tank (11).

5. A novel valve heat treatment furnace according to claim 4, characterized in that: A booster box (15) is fixedly installed on the outside of the water inlet pipe (13) and located on the back of the furnace body (1), a water inlet flange (16) is fixedly installed on the outside of the booster box (15), and a micro booster pump (17) is fixedly installed on the bottom of the booster box (15).

6. The novel valve heat treatment furnace according to claim 1 is characterized in that: A servo motor (18) is fixedly mounted on the top end of the screw rod (5) and located on the back side of the furnace body (1), and a reinforcement shell (19) is fixedly mounted on the outside of the servo motor (18).

7. The novel valve heat treatment furnace according to claim 1 is characterized in that: A circular cover plate (20) is movably mounted on the front of the furnace body (1), a glass window (21) is arranged on the surface of the circular cover plate (20), and a pull block (22) is fixedly mounted on the surface of the circular cover plate (20).

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