Circulating cooling vacuum high-pressure oil quenching furnace

Abstract

The utility model relates to the technical field of vacuum high-pressure oil quenching furnaces, in particular to a circulating cooling vacuum high-pressure oil quenching furnace which comprises a base and a circulating oil pumping assembly, a cooling tank and a purifying box are fixedly connected to the surface of the base, and a door-shaped cross beam is fixedly connected to the position, located above the cooling tank, of the surface of the base; an electric telescopic rod is fixedly connected to the inner wall of the top of the door-shaped cross beam, a filter plate is fixedly connected to the output end of the electric telescopic rod, a U-shaped groove is jointly formed in the inner wall of the bottom and the two inner side walls of the purification box, a purification net is clamped in the U-shaped groove, and a small refrigerator is installed on the inner wall of the purification box. By purifying, cooling and recycling the quenched oil liquid, resources are saved.

Description

Technical Field

[0001] The present application relates to the technical field of vacuum high-pressure oil quenching furnaces, and in particular to a circulating cooling vacuum high-pressure oil quenching furnace. Background Art

[0002] In modern industrial manufacturing, heat treatment technology plays a vital role. It directly affects the performance, durability and service life of materials. With the continuous advancement of science and technology, vacuum high-pressure oil quenching furnace, as an advanced heat treatment equipment, is gradually becoming the first choice of many industries. Vacuum high-pressure oil quenching is a quenching method. The workpiece is heated in a vacuum and then placed in a cooling box for cooling with oil. Quenching can make the workpiece obtain better physical properties.

[0003] The inventor believes that after quenching the workpiece, a layer of scum easily floats on the surface of the oil used for cooling in the vacuum high-pressure oil quenching furnace in the prior art, and the scum easily affects the cooling effect of the oil. The existing cooling oil is usually replaced with new oil after several quenchings, which will cause a waste of resources. Therefore, in order to solve the above problems, the present application provides a circulating cooling vacuum high-pressure oil quenching furnace. Utility Model Content

[0004] In order to solve the problem that after the workpiece is quenched, a layer of scum easily floats on the surface of the oil used for cooling in the vacuum high-pressure oil quenching furnace in the prior art, and the scum easily affects the cooling effect of the oil, the existing cooling oil is usually replaced with new oil after several quenchings, which causes waste of resources, the present application provides a circulating cooling vacuum high-pressure oil quenching furnace.

[0005] The present application provides a circulating cooling vacuum high-pressure oil quenching furnace, comprising a base and a circulating oil extraction assembly, wherein a cooling tank and a purification box are fixedly connected to the surface of the base, a door-shaped crossbeam is fixedly connected to the surface of the base and located above the cooling tank, an electric telescopic rod is fixedly connected to the top inner wall of the door-shaped crossbeam, a filter plate is fixedly connected to the output end of the electric telescopic rod, a U-shaped groove is provided on the bottom inner wall and two inner side walls of the purification box, a purification net is clamped inside the U-shaped groove, and a small refrigerator is installed on the inner wall of the purification box.

[0006] Preferably, the circulating oil extraction assembly includes an oil pump fixedly connected to the top of the purification box, the liquid extraction port of the oil pump is connected to a liquid extraction pipe, and the end of the liquid extraction pipe away from the oil pump extends to the interior of the purification box, and the liquid discharge port of the oil pump is connected to a liquid discharge pipe, and the end of the liquid discharge pipe away from the oil pump extends to the interior of the cooling tank.

[0007] Preferably, an oil pipeline is connected to the side wall of the cooling tank, and a one-way valve is provided inside the oil pipeline.

[0008] Preferably, the surface of the filter plate is provided with multiple circles of filter holes.

[0009] Preferably, a notch is provided on the top of the purification box, and a box door is hinged on the top of the notch.

[0010] In summary, this application has the following beneficial technical effects:

[0011] 1. Start the electric telescopic rod to drive the filter plate below the oil level. After the oil quenching is completed, the electric telescopic rod drives the filter plate to rise and absorb the scum on the oil surface. The scum on the oil surface can move upward with the filter plate. Compared with the existing technology, this application effectively removes the scum on the oil surface, thereby preventing the scum on the oil surface from affecting the cooling effect of the oil.

[0012] 2. Open the one-way valve, the oil inside the cooling tank will enter the interior of the purification box through the oil pipe. The purification net can absorb impurities in the oil. The oil inside the purification box can be cooled by a small refrigerator to ensure the temperature of the circulating oil, thereby ensuring a better cooling effect. The oil pump is started by the switch. The oil pump can work by pumping liquid and extracting purified oil. The oil will return to the cooling tank through the suction pipe and the discharge pipe, completing the recycling of the oil. Compared with the existing technology, this application saves resources by purifying, cooling and recycling the oil after quenching. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a first overall structural diagram of a circulating cooling vacuum high-pressure oil quenching furnace according to an embodiment of the present application;

[0014] Figure 2 This is a second overall structural diagram of a circulating cooling vacuum high-pressure oil quenching furnace according to an embodiment of the present application;

[0015] Figure 3 This is a schematic diagram of a partial cross-sectional structure of a circulating cooling vacuum high-pressure oil quenching furnace according to an embodiment of the present application;

[0016] Figure 4 yes Figure 1 A magnified schematic diagram of the structure in the middle.

[0017] Explanation of the accompanying symbols: 1. Base; 2. Cooling tank; 3. Purification box; 4. Door-shaped crossbeam; 5. Electric telescopic rod; 6. Filter plate; 7. U-shaped groove; 8. Purification net; 9. Small refrigerator; 10. Oil pump; 11. Liquid extraction pipe; 12. Liquid discharge pipe; 13. Oil pipeline; 14. One-way valve; 15. Filter hole; 16. Notch; 17. Box door. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1 - Figure 4This application is described in further detail.

[0019] Example 1:

[0020] A circulating cooling vacuum high pressure oil quenching furnace, refer to Figure 1 and Figure 2 , including a base 1 and a circulating oil extraction assembly. A cooling tank 2 and a purification box 3 are fixedly connected to the surface of the base 1. A door-shaped crossbeam 4 is fixedly connected to the surface of the base 1 and located above the cooling tank 2. Oil is stored in the cooling tank 2. An electric telescopic rod 5 is fixedly connected to the top inner wall of the door-shaped crossbeam 4. The output end of the electric telescopic rod 5 is fixedly connected to a filter plate 6. A plurality of filter holes 15 are provided on the surface of the filter plate 6. When the electric telescopic rod 5 is started, the filter plate 6 is driven to enter below the oil level. After the oil quenching is completed, the electric telescopic rod 5 drives the filter plate 6 to rise and absorbs the scum on the oil surface. The scum on the oil surface can move upward with the filter plate 6, thereby effectively removing the scum on the oil surface and preventing the scum on the oil surface from affecting the cooling effect of the oil.

[0021] Example 2:

[0022] Reference Figure 1 、 Figure 3 and Figure 4 The bottom inner wall and two inner side walls of the purification box 3 are jointly provided with a U-shaped groove 7, and a purification net 8 is connected to the inside of the U-shaped groove 7. A small refrigerator 9 is installed on the inner wall of the purification box 3. The oil inside the purification box 3 can be cooled by the small refrigerator 9 to ensure the temperature of the circulating oil, thereby ensuring a better cooling effect. The circulating oil pumping assembly includes an oil pump 10 fixedly connected to the top of the purification box 3, and the liquid extraction port of the oil pump 10 is connected to a liquid extraction pipe 11. The end of the liquid extraction pipe 11 away from the oil pump 10 extends to the interior of the purification box 3, and the discharge port of the oil pump 10 is connected to a discharge pipe 12. The discharge pipe 1 2 The end away from the oil pump 10 extends into the interior of the cooling tank 2. An oil delivery pipe 13 is provided on the side wall of the cooling tank 2. A one-way valve 14 is provided inside the oil delivery pipe 13. When the one-way valve 14 is opened, the oil in the cooling tank 2 will enter the interior of the purification box 3 through the oil delivery pipe 13. The purification net 8 can absorb impurities in the oil. The oil purified by the filter net enters the other side of the purification net 8. The oil pump 10 is started. When the oil pump 10 works, it can extract the purified oil through the liquid extraction pipe 11. The oil will return to the interior of the cooling tank 2 through the liquid extraction pipe 11 and the liquid discharge pipe 12, completing the recycling of the oil.

[0023] Reference Figure 3 The top of the purification box 3 is provided with a notch 16, and the top of the notch 16 is hinged with a box door 17. By opening the box door 17, the purification net 8 can be taken out from the inside of the U-shaped groove 7 to remove the oil and impurities attached to the purification net 8.

[0024] The implementation principle of a circulating cooling vacuum high-pressure oil quenching furnace in the embodiment of the present application is as follows: initially, the cooling tank 2 quenches the heated workpiece with oil, the electric telescopic rod 5 is preferably of the LX600 type, and the oil pump 10 is preferably of the KWT-XCLYB type. The electric telescopic rod 5, the oil pump 10, and the electric telescopic rod 5 are all electrically connected to the external power supply through a switch. The electric telescopic rod 5 is started by the switch to drive the filter plate 6 to enter below the oil liquid level. After the oil quenching is completed, the electric telescopic rod 5 drives the filter plate 6 to rise to absorb the scum on the oil surface. The scum on the oil surface can move upward with the filter plate 6, thereby effectively removing the scum on the oil surface and preventing the scum on the oil surface from affecting the cooling effect of the oil. By opening the one-way valve 14, the oil inside the cooling tank 2 will enter the interior of the purification box 3 through the oil pipe 13. The purification net 8 can absorb impurities in the oil, and the oil purified by the filter enters the other side of the purification net 8. By opening the box door 17, the purification net 8 can be taken out from the inside of the U-shaped groove 7 to remove the oil impurities attached to the purification net 8. The oil inside the purification box 3 can be cooled by the small refrigerator 9 to ensure the temperature of the circulating oil, thereby ensuring a better cooling effect. The oil pump 10 is started by the switch. The oil pump 10 can extract the purified oil through the suction pipe 11. The oil will return to the interior of the cooling tank 2 through the suction pipe 11 and the discharge pipe 12 to complete the recycling of the oil.

[0025] The above describes an exemplary implementation of a circulating cooling vacuum high-pressure oil quenching furnace provided by the present disclosure with reference to preferred embodiments. However, it will be understood by those skilled in the art that, without departing from the concept of the present disclosure, various modifications and variations can be made to the above-mentioned specific embodiments, and various technical features and structures proposed in the present disclosure can be combined in various ways without exceeding the scope of protection of the present disclosure, which is determined by the appended claims.

Claims

1. A circulating cooling vacuum high-pressure oil quenching furnace, comprising a base (1) and a circulating oil pumping assembly, characterized in that: The surface of the base (1) is fixedly connected to a cooling tank (2) and a purification box (3); the surface of the base (1) is fixedly connected to a door-shaped crossbeam (4) located above the cooling tank (2); the top inner wall of the door-shaped crossbeam (4) is fixedly connected to an electric telescopic rod (5); the output end of the electric telescopic rod (5) is fixedly connected to a filter plate (6); the bottom inner wall and two inner side walls of the purification box (3) are jointly provided with a U-shaped groove (7); the interior of the U-shaped groove (7) is clamped with a purification net (8); and the inner wall of the purification box (3) is installed with a small refrigerator (9).

2. A circulating cooling vacuum high-pressure oil quenching furnace according to claim 1, characterized in that: The circulating oil extraction assembly includes an oil pump (10) fixedly connected to the top of the purification box (3); the liquid extraction port of the oil pump (10) is connected to a liquid extraction pipe (11); the end of the liquid extraction pipe (11) away from the oil pump (10) extends to the interior of the purification box (3); the liquid discharge port of the oil pump (10) is connected to a liquid discharge pipe (12); the end of the liquid discharge pipe (12) away from the oil pump (10) extends to the interior of the cooling tank (2).

3. The circulating cooling vacuum high-pressure oil quenching furnace according to claim 1, characterized in that: An oil delivery pipe (13) is provided in communication with the side wall of the cooling tank (2), and a one-way valve (14) is provided inside the oil delivery pipe (13).

4. The circulating cooling vacuum high-pressure oil quenching furnace according to claim 1, characterized in that: The surface of the filter plate (6) is provided with a plurality of filter holes (15).

5. The circulating cooling vacuum high-pressure oil quenching furnace according to claim 1, characterized in that: A notch (16) is provided on the top of the purification box (3), and a box door (17) is hinged on the top of the notch (16).

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