Quenching liquid circulating device for powder metallurgy product

Abstract

The utility model discloses a quenching liquid circulating device for powder metallurgy products, which comprises a liquid storage tank, the upper end of the liquid storage tank is fixedly connected with an arc-shaped surface, the liquid storage tank is fixedly connected with two backing rings on one side of the arc-shaped surface, the two backing rings are fixedly connected through a first support, the backing ring on the upper side is fixedly connected with a supporting cylinder, and the supporting cylinder is fixedly connected with a second support. The upper sides, away from each other, in the supporting cylinders are fixedly connected with second supports, one sides of the second supports are fixedly connected with quenching pools, the upper side of the liquid storage tank is fixedly connected with a limiting block, the limiting block makes contact with a trapezoidal filter screen, and the upper end of the trapezoidal filter screen is fixedly connected with a supporting plate. And the quenching liquid is sprayed through the spray head to make contact with the to-be-quenched part, the quenching liquid falls down, is filtered through the trapezoidal filter screen and then flows back into the liquid storage tank, impurities on the trapezoidal filter screen gradually fall down to the arc-shaped surface of the liquid storage tank under the washing of the subsequent quenching liquid, and therefore the effect of convenient cleaning is achieved, and blockage of the filtering structure can be avoided.

Description

Technical Field

[0001] This utility model relates to the field of powder metallurgy quenching technology, specifically to a quenching fluid circulation device for powder metallurgy products. Background Technology

[0002] Powder metallurgy products refer to a process technology for manufacturing metal products. It uses metal powder or a mixture of metal powder and non-metal powder as raw materials, and manufactures metal products through processes such as molding and sintering. Usually, some powder metallurgy products need to be quenched after production to improve the performance of the metal products. However, in order to improve the cooling efficiency of the metal products, quenching fluid is used to cool them, so that the workpiece is quickly cooled to the specified temperature range.

[0003] In order to maintain the temperature of the quenching fluid within a suitable range during the quenching process, it is usually necessary to cool the quenching fluid through a radiator. After cooling, the quenching fluid is returned to the quenching tank to continue participating in the quenching process. However, during the circulation of the quenching fluid, harmful substances such as impurities and oxide scale from the workpiece quenching gyroscope can affect the cleanliness of the quenching fluid. To solve this problem, filter boxes and other components are usually installed in the circulation process of the quenching fluid. During the circulation quenching process, waste residue or impurities continue to accumulate in the filter box, which will affect the circulation of the quenching fluid.

[0004] According to Chinese Patent Publication No. CN221940560U, "A Quenching Fluid Circulation Device for Powder Metallurgy Products," the main description is that by using a spiral plate to divide the annular cavity into a spiral chamber, the lower-temperature quenching fluid injected into the annular cavity by the injection pipe can flow slowly in the spiral chamber, ensuring that the low-temperature quenching fluid has enough time to exchange heat with the upper quenching fluid, thereby reducing the problem of poor quenching effect caused by temperature difference. During the process of quenching fluid circulating and cooling the workpiece, impurities and waste residue falling off the workpiece will gradually clog the filter structure of the filter box, affecting the circulation of quenching fluid.

[0005] Therefore, a quenching fluid circulation device for powder metallurgy products is proposed to solve the problem that impurities and waste residues falling off the workpiece during the quenching fluid circulation cooling process will gradually clog the filter structure of the filter box and affect the circulation of the quenching fluid. Utility Model Content

[0006] The technical problem to be solved by this utility model is that during the process of quenching liquid circulating and cooling workpieces, impurities and waste residues falling off the workpieces will gradually clog the filter structure of the filter box, affecting the circulation of quenching liquid. Therefore, a quenching liquid circulation device for powder metallurgy products is proposed.

[0007] The technical solution adopted by this utility model to solve the technical problem is: a quenching liquid circulation device for powder metallurgy products, including a storage tank, an arc-shaped surface fixedly connected to the upper end of the storage tank, a gasket fixedly connected to one side of the arc-shaped surface of the storage tank, two gaskets being provided and the two gaskets being fixedly connected by a first bracket, a support cylinder fixedly connected to the upper gasket, a second bracket fixedly connected to the upper side of the support cylinder that is far apart from each other, a quenching pool fixedly connected to one side of the second bracket, a limit block fixedly connected to the upper side of the storage tank, a trapezoidal filter screen contacting the limit block, and a support plate fixedly connected to the upper end of the trapezoidal filter screen. An electric push rod is fixedly connected to the upper end of the support plate. A storage tray is fixedly connected to the upper end of the electric push rod. The storage tray is located in the quenching tank. A connecting strip is snapped onto the upper end of the quenching tank. An annular tube is fixedly connected to the bottom side of the connecting strip. Spray nozzles are evenly fixedly connected to the bottom end of the annular tube. A water guide pipe is fixedly connected to one side of the annular tube. A water pump is fixedly connected to one side of the liquid storage tank. One end of the water pump is fixedly connected to the water guide pipe. A maintenance groove is provided between the liquid storage tank and the support cylinder. An electric telescopic rod is fixedly connected to the upper gasket. An annular baffle is fixedly connected to the bottom end of the electric telescopic rod. The bottom end of the annular baffle contacts the bottom gasket.

[0008] As a preferred technical solution of this utility model, one side of the water guide pipe has a U-shaped structure, and heat-conducting copper sheets are uniformly fixedly connected on the water guide pipe. By setting the heat-conducting copper sheets and the water guide pipe, heat can be dissipated from the water in the storage tank.

[0009] As a preferred technical solution of this utility model, a connecting rod is fixedly connected to one side of the heat-conducting copper sheet, and a support frame is fixedly connected to one side of the connecting rod. A guide fan is rotatably connected inside the support frame. The guide fan drives the airflow to contact the heat-conducting copper sheet and the water pipe, which can dissipate heat from the quenching liquid.

[0010] As a preferred technical solution of this utility model, a folding sleeve is fixedly connected to the bottom side of the storage tray, and a support plate is fixedly connected to the bottom end of the folding sleeve. By setting the folding cover, the quenching liquid can be prevented from contacting the electric push rod.

[0011] As a preferred technical solution of this utility model, a conical rubber is fixedly connected to the bottom end of the tray, and the conical rubber corresponds to the groove on the bottom side of the quenching pool. By setting the conical rubber, the size of the groove on the bottom side of the quenching pool can be adjusted.

[0012] This utility model has the following advantages: water is drawn from the storage tank by a water pump, passes through a water guide pipe and an annular pipe, and is sprayed onto the parts to be quenched by a nozzle. The quenching liquid then falls through a trapezoidal filter screen and flows back into the storage tank. Impurities on the trapezoidal filter screen gradually fall to the arc-shaped surface of the storage tank under the flushing of the subsequent quenching liquid, thus achieving a convenient cleaning effect and avoiding clogging of the filter structure. Attached Figure Description

[0013] Figure 1 This is a three-dimensional sectional view of a preferred embodiment of the quenching liquid circulation device for powder metallurgy products.

[0014] Figure 2 This is a side cross-sectional view of the support frame of a quenching liquid circulation device for powder metallurgy products according to a preferred embodiment of the present invention.

[0015] Figure 3 This is an enlarged structural schematic diagram of point A of a quenching liquid circulation device for powder metallurgy products according to a preferred embodiment of this utility model.

[0016] Explanation of reference numerals in the attached drawings: 1. Liquid storage tank; 2. Gasket ring; 3. First bracket; 4. Support cylinder; 5. Second bracket; 6. Quenching pool; 7. Connecting strip; 8. Trapezoidal filter screen; 9. Support plate; 10. Electric push rod; 11. Storage tray; 12. Water pump; 13. Water guide pipe; 14. Annular pipe; 15. Nozzle; 16. Inspection slot; 17. Electric telescopic rod; 18. Annular baffle; 19. Thermally conductive copper sheet; 20. Conical rubber; 21. Folding sleeve; 22. Support frame; 23. Guide fan. Detailed Implementation

[0017] The present invention will be further described below with reference to the accompanying drawings.

[0018] Please refer to the following: Figure 1-3The illustrated quenching fluid circulation device for powder metallurgy products includes a storage tank 1 (with a heating structure on its upper side for heating parts). An arc-shaped surface is fixedly connected to the upper end of the storage tank 1. Two gaskets 2 are fixedly connected to one side of the arc-shaped surface, and the two gaskets 2 are fixedly connected by a first bracket 3. The storage tank 1 is fixedly connected to a support cylinder 4 via the gaskets 2 and the first bracket 3. The support cylinder 4 is fixedly connected to the upper gaskets 2. A second bracket 5 is fixedly connected to the upper, spaced-away sides of the support cylinder 4. A quenching pool 6 is fixedly connected to one side of the second bracket 5. A limit block is fixedly connected to the upper side of the storage tank 1, and a trapezoidal filter screen 8 contacts the limit block. The trapezoidal filter screen 8 filters the quenching fluid. A support plate 9 is fixedly connected to the upper end of the trapezoidal filter screen 8, and an electric push rod 10 is fixedly connected to the upper end of the support plate 9. The electric push rod 10 drives a tray 11 to move up and down, thereby adjusting the temperature of the powder metallurgy products. The electric push rod 10 is fixedly connected to a storage tray 11 at its upper end. The storage tray 11 is located inside the quenching tank 6. A connecting strip 7 is snapped onto the upper end of the quenching tank 6. An annular pipe 14 is fixedly connected to the bottom side of the connecting strip 7. Spray nozzles 15 are evenly fixedly connected to the bottom end of the annular pipe 14. A water guide pipe 13 is fixedly connected to one side of the annular pipe 14. A water pump 12 is fixedly connected to one side of the liquid storage tank 1. The water pump 12 draws water from the liquid storage tank 1, which flows through the water guide pipe 13 into the annular pipe 14, and then through... The water is sprayed through the nozzle 15 and comes into contact with the powder metallurgy product to achieve the quenching effect. One end of the water pump 12 is fixedly connected to the water guide pipe 13. A maintenance groove 16 is provided between the storage tank 1 and the support cylinder 4. When the maintenance groove 16 is not blocked by the annular baffle 18, the trapezoidal filter screen 8 can be cleaned manually. An electric telescopic rod 17 is fixedly connected to the upper gasket 2. An annular baffle 18 is fixedly connected to the bottom end of the electric telescopic rod 17. The bottom end of the annular baffle 18 contacts the bottom gasket 2.

[0019] The heat-conducting copper sheet 19 is uniformly fixedly connected to the water pipe 13. One side of the water pipe 13 has a U-shaped structure. By increasing the contact area between the heat-conducting copper sheet 19 and the water pipe 13, heat dissipation can be provided.

[0020] The guide fan 23 is rotatably connected to the support frame 22, the support frame 22 is fixedly connected to one side of the connecting rod, and the connecting rod is fixedly connected to one side of the heat-conducting copper sheet 19. By setting the guide fan 23 to drive the airflow to contact the heat-conducting copper sheet 19 and the water pipe 13, the quenching liquid in the storage tank 1 can be cooled.

[0021] The support plate 9 is fixedly connected to the bottom side of the folding sleeve 21, and the folding sleeve 21 is fixedly connected to the bottom side of the storage tray 11. By setting the folding sleeve 21, protection can be provided for the electric push rod 10, reducing water damage.

[0022] The bottom groove of the quenching pool 6 corresponds to the conical rubber 20, which is fixedly connected to the bottom of the tray 11. By setting the conical rubber 20, the cross-sectional area of ​​the bottom groove of the quenching pool 6 can be adjusted, so that the quenching pool 6 can be filled with water.

[0023] Working principle: The workpiece is placed on the tray 11, and then the electric push rod 10 extends, causing the tray 11 to move upward and heat up. At this time, the water pump 12 draws quenching liquid from the storage tank 1, which passes through the water guide pipe 13 and the annular pipe 14, and then the nozzle 15 sprays it out to contact the workpiece to achieve the quenching process. At the same time, the quenching liquid falls under gravity after contacting the part, and falls through the groove on the bottom side of the quenching pool 6 onto the trapezoidal filter screen 8. Impurities are filtered and retained by the trapezoidal filter screen 8. Then, when the quenching liquid falls again, it will cause substantial scouring of the trapezoidal filter screen 8, so that the circulation efficiency of the quenching liquid will not decrease, and the trapezoidal filter screen 8 will not be blocked. It also causes the impurities on the part to gradually move to the edge of the trapezoidal filter screen 8 and then fall onto the arc surface of the storage tank 1. Then the electric telescopic rod 17 retracts, and the annular baffle 18 moves upward, which makes it easier to clean the trapezoidal filter screen 8.

[0024] The above are merely preferred embodiments of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model.

[0025] All other parts of this utility model that are not described in detail belong to the prior art, and therefore will not be described in detail here.

[0026] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended 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 modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A quenching fluid circulation device for powder metallurgy products, comprising a storage tank (1), characterized in that, The upper end of the liquid storage tank (1) is fixedly connected to an arc-shaped surface. A gasket (2) is fixedly connected to one side of the arc-shaped surface of the liquid storage tank (1). There are two gaskets (2), and the two gaskets (2) are fixedly connected by a first bracket (3). A support cylinder (4) is fixedly connected to the upper gasket (2). A second bracket (5) is fixedly connected to the upper side of the support cylinder (4), which is far apart from each other. A quenching pool (6) is fixedly connected to one side of the second bracket (5). A limit block is fixedly connected to the upper side of the liquid storage tank (1). A trapezoidal filter screen (8) is in contact with the limit block. A support plate (9) is fixedly connected to the upper end of the trapezoidal filter screen (8). An electric push rod (10) is fixedly connected to the upper end of the support plate (9). A storage tray (11) is fixedly connected to the upper end of the electric push rod (10). The storage tray (11) is located in the quenching pool (6). A connecting strip (7) is snapped onto the upper end of the quenching pool (6). An annular pipe (14) is fixedly connected to the bottom side of the connecting strip (7). A nozzle (15) is evenly fixedly connected to the bottom end of the annular pipe (14). A water guide pipe (13) is fixedly connected to one side of the annular pipe (14). A water pump (12) is fixedly connected to one side of the liquid storage tank (1). One end of the water pump (12) is fixedly connected to the water guide pipe (13). A maintenance groove (16) is provided between the liquid storage tank (1) and the support cylinder (4). An electric telescopic rod (17) is fixedly connected to the upper side of the pad ring (2). An annular baffle (18) is fixedly connected to the bottom end of the electric telescopic rod (17). The bottom end of the annular baffle (18) is in contact with the bottom side pad ring (2).

2. The quenching fluid circulation device for powder metallurgy products as described in claim 1, characterized in that, The water pipe (13) has a U-shaped structure on one side, and heat-conducting copper sheets (19) are uniformly fixedly connected on the water pipe (13).

3. The quenching fluid circulation device for powder metallurgy products as described in claim 2, characterized in that, A connecting rod is fixedly connected to one side of the heat-conducting copper sheet (19), and a support frame (22) is fixedly connected to one side of the connecting rod. A guide fan (23) is rotatably connected inside the support frame (22).

4. The quenching fluid circulation device for powder metallurgy products as described in claim 1, characterized in that, The bottom side of the storage tray (11) is fixedly connected to a folding sleeve (21), and the bottom end of the folding sleeve (21) is fixedly connected to a support plate (9).

5. A quenching fluid circulation device for powder metallurgy products as described in claim 4, characterized in that, The bottom end of the tray (11) is fixedly connected to a conical rubber (20), which corresponds to the groove on the bottom side of the quenching pool (6).

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