Cooling device for heat treatment of metal parts

Abstract

The utility model discloses a cooling device for heat treatment of metal parts, which relates to the technical field of cooling devices and comprises a device supporting table, a cooling water tank is arranged at the upper end of the device supporting table, a hydraulic cylinder is arranged on one side of the cooling water tank, and a transmission connecting rod is welded on a piston rod of the hydraulic cylinder. A connecting rod is welded to the lower end of the transmission connecting rod, and a loading frame is welded to the lower end of the connecting rod and located over the cooling water pond. The cooling device further comprises a water receiving tank which is arranged on the lower portion of the device supporting table, a water suction pump is arranged on one side of the device supporting table, and a water suction connecting pipe and a water injection pipe are arranged at the water inlet end and the water outlet end of the water suction pump correspondingly. However, the water in the quenching bath is gradually evaporated and reduced in the quenching process, so that the water level in the quenching bath is reduced, and the cooling effect of the metal part is influenced.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling devices, in particular to a cooling device for heat treatment of metal parts. Background Art

[0002] Heat treatment of metal parts is a process in which the metal workpiece is heated to a suitable temperature in a certain medium, maintained at this temperature for a certain period of time, and then cooled at different speeds in different media to control its performance by changing the surface or internal microstructure of the metal material. The basic process of heat treatment includes three steps: heating, insulation and cooling.

[0003] For example, the announcement number is: CN221588618U (named a cooling device for metal heat treatment), which includes a main body, a quenching pool is provided inside the main body, and a stirring assembly is provided at the bottom of the quenching pool, a screen is provided inside the quenching pool, a horizontal plate is provided above the main body, and the bottom of the horizontal plate is connected to the mesh box through a sling, and the top of the main body is rotatably connected to a column; a lifting assembly is provided on the column, and the lifting assembly is used to drive the horizontal plate and the mesh box to move vertically; a rotating assembly is provided on the side of the main body, and the rotating assembly is used to drive the column to rotate, and a screw rod and a guide rod are respectively installed at both ends of the inner wall of the quenching pool, and the screen A push plate is provided on the net, and the second screw rod and the guide rod respectively pass through the two ends of the push plate. The side of the main body is also provided with a driving assembly, a screen and a push plate. During the quenching process, the screen inside the quenching pool can block the oxides falling off the surface of the metal parts, thereby preventing the oxides from sinking to the bottom of the quenching pool and becoming difficult to clean. The driving assembly can also drive the second screw rod to rotate so that the second screw rod drives the push plate to move horizontally on the screen, so that the push plate can push the oxides on the screen into the collection chamber, and then the door on the side of the collection chamber can be opened to clean the oxides. The cleaning is convenient, which reduces the difficulty of cleaning the quenching pool for the staff and improves the convenience during use.

[0004] The aforementioned cooling device utilizes a lifting quenching and cooling mechanism to assist metal in entering and exiting the quenching tank. However, during the quenching process, the water volume in the quenching tank gradually evaporates, causing the water level within the quenching tank to drop, thus affecting the cooling effect of the metal parts. Therefore, we provide a cooling device for heat treatment of metal parts. Utility Model Content

[0005] The purpose of the present utility model is to provide a cooling device for heat treatment of metal parts, so as to solve the problem that the existing cooling device proposed in the above background technology assists the metal to enter and exit the quenching pool by setting a lifting quenching cooling mechanism, but the water volume in the quenching pool will gradually evaporate and decrease during the quenching process, resulting in a decrease in the water level in the quenching pool, which affects the cooling effect of the metal parts.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a cooling device for heat treatment of metal parts, comprising a device support, a cooling water pool is provided at the upper end of the device support, a hydraulic cylinder is provided on one side of the cooling water pool, a transmission connecting rod is welded to the piston rod of the hydraulic cylinder, a connecting rod is welded to the lower end of the transmission connecting rod, a loading frame is welded to the lower end of the connecting rod, and the loading frame is located directly above the cooling water pool;

[0007] Also includes:

[0008] A water receiving tank is provided below the device support platform, and a water pump is provided on one side of the device support platform. A water pumping connecting pipe and a water injection pipe are provided on the water inlet and water outlet of the water pump, respectively. The water pumping connecting pipe and the water injection pipe are connected to the interior of the water receiving tank and the cooling water tank respectively.

[0009] A water filling bucket is provided on one side of the loading frame, and a second valve is provided at the bottom of the water filling bucket, a guide pipe is provided on the water outlet end of the second valve, and the guide pipe is connected to the interior of the cooling water pool;

[0010] An extension channel is arranged on the outer wall of one side of the cooling water pool. The extension channel and the cooling water pool are an integrated structure, and a guide hole plate is welded at the upper end of the extension channel. A liquid level rod is provided inside the guide hole plate, and a float is integrally formed at the bottom of the liquid level rod.

[0011] Preferably, a measuring scale is welded to the upper end of the extension channel, and an indicator mark is welded to the upper end of the liquid level rod, and the indicator mark is arranged perpendicular to the measuring scale.

[0012] Preferably, a first valve is provided at the bottom of the cooling water pool, and a drain pipe is provided at the water outlet end of the first valve.

[0013] Preferably, three water guide inclined plates are welded inside the water receiving box, and the three water guide inclined plates are staggered.

[0014] Preferably, a filter screen is provided at the starting end of the water pumping connecting pipe, and the filter screen is fixedly connected to the water receiving box by screws.

[0015] Preferably, a water-permeable hole is provided inside the loading frame, and the water-permeable hole and the loading frame are an integrated structure.

[0016] Preferably, the size of the loading frame is smaller than the diameter of the cooling water pool, and the loading frame is movable in a lifting manner relative to the cooling water pool via a hydraulic cylinder.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. The utility model uses a water pump to extract water from the water receiving tank and inject it back into the cooling water pool through the water injection pipe. At this time, the remaining water in the cooling water pool is determined according to the water level alignment of the indicator mark and the measuring scale. When the water volume is insufficient, the second valve is opened to inject the cooling water temporarily stored in the water injection bucket into the cooling water pool through the guide pipe to replenish the water volume, thereby improving the use sustainability of the cooling device and overcoming the problem that the existing cooling device assists the metal in entering and exiting the quenching pool by setting a lifting quenching cooling mechanism, but the water volume in the quenching pool will gradually evaporate and decrease during the quenching process, resulting in a lower water level in the quenching pool, which affects the cooling effect of the metal parts.

[0019] 2. Open the first valve to drain the water in the cooling water pool through the drain pipe and flow it into the water receiving box. The water is guided by three staggered water guide ramps inside the water receiving box, which extends the water discharge path and facilitates the water to come into contact with the air and cool to room temperature during the flow, thus avoiding the problem of the subsequent quenching cooling effect being affected by the increase in water temperature during quenching. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a front view of the cooling device for heat treatment of metal parts according to the present invention;

[0021] Figure 2 This is a side view of the structure of the cooling device for heat treatment of metal parts of the utility model;

[0022] Figure 3 This is a bottom view of the cooling device for heat treatment of metal parts according to the present invention;

[0023] Figure 4 This is a schematic diagram of the internal structure of the cooling device for heat treatment of metal parts of the present invention;

[0024] Figure 5 This is an enlarged schematic diagram of the structure of part A of the present utility model;

[0025] Figure 6 This is a schematic diagram of the liquid level rod structure of the utility model;

[0026] In the figure: 1. Device support; 2. Cooling water tank; 3. Water receiving tank; 4. Hydraulic cylinder; 5. Transmission connecting rod; 6. Connecting rod; 7. Loading frame; 8. Water hole; 9. Water filling bucket; 10. Diversion pipe; 11. Measuring scale; 12. Suction pump; 13. Water filling pipe; 14. Drain pipe; 15. First valve; 16. Second valve; 17. Water guide inclined plate; 18. Suction connecting pipe; 19. Filter screen; 20. Extension channel; 21. Guide hole plate; 22. Liquid level rod; 23. Indicator; 24. Float. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0028] See also Figure 1-6 The utility model provides an embodiment of a cooling device for heat treatment of metal parts, comprising a device support 1, a cooling water pool 2 is provided at the upper end of the device support 1, a hydraulic cylinder 4 is provided on one side of the cooling water pool 2, a transmission connecting rod 5 is welded on the piston rod of the hydraulic cylinder 4, a connecting rod 6 is welded at the lower end of the transmission connecting rod 5, a loading frame 7 is welded at the lower end of the connecting rod 6, and the loading frame 7 is located directly above the cooling water pool 2;

[0029] Also includes:

[0030] A water receiving tank 3 is provided below the device support platform 1, and a water pump 12 is provided on one side of the device support platform 1. A water pumping connecting pipe 18 and a water injection pipe 13 are provided on the water inlet and water outlet of the water pump 12, respectively. The water pumping connecting pipe 18 and the water injection pipe 13 are connected to the water receiving tank 3 and the interior of the cooling water tank 2, respectively.

[0031] A water filling bucket 9 is provided on one side of the loading frame 7, and a second valve 16 is provided at the bottom of the water filling bucket 9. A flow guide pipe 10 is provided on the water outlet end of the second valve 16, and the flow guide pipe 10 is connected to the interior of the cooling water tank 2;

[0032] The extension channel 20 is arranged on the outer wall of one side of the cooling water pool 2. The extension channel 20 and the cooling water pool 2 are an integrated structure, and a guide hole plate 21 is welded at the upper end of the extension channel 20. A liquid level rod 22 is provided inside the guide hole plate 21, and a float 24 is integrally formed at the bottom of the liquid level rod 22.

[0033] During use, the heated metal parts are placed inside the loading frame, and then the loading frame is driven by the hydraulic cylinder to immerse into the cooling water pool, and then the metal parts are cooled and quenched by the cold water in the cooling water pool. After the quenching treatment is completed, the loading frame is lifted and separated from the cooling water pool by the hydraulic cylinder, and the water pump draws out the water in the water tank and injects it back into the cooling water pool through the water injection pipe. At this time, the remaining water volume in the cooling water pool is determined according to the water level alignment of the indicator mark and the measuring scale. When the water volume is insufficient, the second valve is opened, and the cooling water temporarily stored in the water injection bucket is injected into the cooling water pool through the diversion pipe to replenish the water volume.

[0034] See also Figure 5A measuring scale 11 is welded on the upper end of the extension channel 20, and an indicator mark 23 is welded on the upper end of the liquid level rod 22. The indicator mark 23 is arranged perpendicular to the measuring scale 11. The measuring scale 11 welded on the upper end of the extension channel 20 serves to measure the liquid level inside the cooling water pool 2.

[0035] See also Figure 4 The bottom of the cooling water pool 2 is connected with a first valve 15, and the water outlet end of the first valve 15 is connected with a drain pipe 14. The first valve 15 connected with the bottom of the cooling water pool 2 plays a role in controlling the opening and closing of the drain pipe 14.

[0036] See also Figure 4 The interior of the water receiving box 3 is welded with three water guide inclined plates 17, which are staggered. The three water guide inclined plates 17 welded inside the water receiving box 3 play the role of guiding water.

[0037] See also Figure 4 A filter screen 19 is provided at the starting end of the water pumping pipe 18, and the filter screen 19 is fixedly connected to the water receiving box 3 by screws. The filter screen 19 provided at the starting end of the water pumping pipe 18 plays a role in filtering the incoming water to prevent waste residue from being sucked back by the water pump 12.

[0038] See also Figure 1 A water permeable hole 8 is provided inside the loading frame 7. The water permeable hole 8 and the loading frame 7 are an integrated structure. The water permeable hole 8 provided inside the loading frame 7 serves to facilitate water permeation in the loading frame 7.

[0039] See also Figure 1 The size of the loading frame 7 is smaller than the diameter of the cooling water pool 2, and the loading frame 7 is set to move up and down with the cooling water pool 2 through the hydraulic cylinder 4.

[0040] Working principle: The heated metal parts are placed inside the loading frame 7, and then the loading frame 7 is driven by the hydraulic cylinder 4 to immerse in the cooling water pool 2. The metal parts are then cooled and quenched by the cold water in the cooling water pool 2. After the quenching is completed, the loading frame 7 is lifted up by the hydraulic cylinder 4 and separated from the cooling water pool 2. Then, the first valve 15 is opened to drain the water in the cooling water pool 2 through the drain pipe 14 and flow into the water receiving box 3. The water is guided inside the water receiving box 3 by three staggered water guide inclined plates 17, so that the water discharge path is smooth. The cooling water in the cooling tank 2 is extended to facilitate the water to come into contact with the air and cool to room temperature during its flow. After the water enters the water receiving tank 3, the water pump 12 is turned on to extract the water in the water receiving tank 3 and inject it back into the cooling water pool 2 through the water injection pipe 13. At this time, the remaining water in the cooling water pool 2 is determined according to the water level alignment of the indicator 23 and the measuring scale 11. When the water volume is insufficient, the second valve 16 is opened, and the cooling water temporarily stored in the water injection bucket 9 is injected into the cooling water pool 2 through the guide pipe 10 to supplement the water volume, thereby improving the sustainability of the use of the cooling device and completing the use of the cooling device for heat treatment of metal parts.

[0041] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A cooling device for heat treatment of metal parts, comprising a device support (1), a cooling water pool (2) is provided at the upper end of the device support (1), a hydraulic cylinder (4) is provided on one side of the cooling water pool (2), a transmission connecting rod (5) is welded on the piston rod of the hydraulic cylinder (4), a connecting rod (6) is welded at the lower end of the transmission connecting rod (5), a loading frame (7) is welded at the lower end of the connecting rod (6), and the loading frame (7) is located directly above the cooling water pool (2); Its characteristics are: Also includes: A water receiving box (3) is provided below the device support platform (1), and a water pump (12) is provided on one side of the device support platform (1). A water pumping connecting pipe (18) and a water injection pipe (13) are provided on the water inlet and water outlet of the water pump (12), respectively. The water pumping connecting pipe (18) and the water injection pipe (13) are respectively connected to the interior of the water receiving box (3) and the cooling water pool (2); A water injection bucket (9) is provided on one side of the loading frame (7), and a second valve (16) is provided at the bottom of the water injection bucket (9), a flow guide pipe (10) is provided at the water outlet end of the second valve (16), and the flow guide pipe (10) is provided in communication with the interior of the cooling water pool (2); An extension channel (20) is provided on an outer wall of one side of the cooling water pool (2). The extension channel (20) and the cooling water pool (2) are an integrated structure. A guide hole plate (21) is welded to the upper end of the extension channel (20). A liquid level rod (22) is provided inside the guide hole plate (21) for guiding. A float ball (24) is integrally formed at the bottom of the liquid level rod (22).

2. A cooling device for heat treatment of metal parts according to claim 1, characterized in that: A measuring scale (11) is welded to the upper end of the extension channel (20), and an indicator mark (23) is welded to the upper end of the liquid level rod (22), wherein the indicator mark (23) is vertically arranged to the measuring scale (11).

3. A cooling device for heat treatment of metal parts according to claim 1, characterized in that: The bottom of the cooling water pool (2) is connected to a first valve (15), and the water outlet end of the first valve (15) is connected to a drain pipe (14).

4. A cooling device for heat treatment of metal parts according to claim 1, characterized in that: Three water guide inclined plates (17) are welded inside the water receiving box (3), and the three water guide inclined plates (17) are staggered.

5. The cooling device for heat treatment of metal parts according to claim 1, characterized in that: A filter screen (19) is provided at the starting end of the water pumping connecting pipe (18), and the filter screen (19) is fixedly connected to the water receiving box (3) via screws.

6. A cooling device for heat treatment of metal parts according to claim 1, characterized in that: A water-permeable hole (8) is provided inside the loading frame (7), and the water-permeable hole (8) and the loading frame (7) are an integrated structure.

7. The cooling device for heat treatment of metal parts according to claim 1, characterized in that: The size of the loading frame (7) is smaller than the diameter of the cooling water pool (2), and the loading frame (7) is movable in a lifting manner with the cooling water pool (2) via a hydraulic cylinder (4).

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