End quenching device for heat treatment

Abstract

The end quenching device comprises a water tank, the bottom of one side of the water tank is communicated with a water inlet pipe, and the water inlet pipe is communicated with a first water outlet through a first branch pipe; an opening of the first water outlet faces upwards, a mounting plate is arranged above the first water outlet, and a sample mounting hole for mounting a sample is formed in the mounting plate; the mounting plate is connected with a height adjusting assembly for adjusting the distance between the sample and the first water outlet according to the size of the sample; a baffle plate for preventing the end surface of the sample from being asynchronous with a water column when the sample is initially contacted with the water column sprayed from the first water outlet is arranged above the first water outlet; the height adjusting assembly is arranged to adjust the distance between the sample and the first water outlet, and the device is simple in structure, convenient to operate and capable of being suitable for inspection of samples with different heights.

Description

Technical Field

[0001] This utility model relates to the technical field of heat treatment equipment, specifically to an end-quenching device for heat treatment. Background Technology

[0002] End-quench testing is one method for determining the hardenability of steel. Hardenability is an inherent property of steel, determining the depth of hardening and hardness distribution that steel can achieve during quenching. End-quench testing allows for the evaluation of the hardening effect of steel under different cooling conditions, thus enabling the selection of appropriate quenching processes to improve steel performance. In the end-quench test, standard-sized specimens are austenitized, and one end face is water-cooled. The relationship between hardness and distance from the water-cooled end is then measured along the axial direction. The hardenability is evaluated by measuring the hardness distribution of the steel during quenching.

[0003] Currently, in end-quenching experiments, the sample blank first undergoes normalizing and quenching heat treatment, then is placed on an end-quenching testing machine. The sample is then cooled by a water jet sprayed from the machine onto its end face. However, this method cannot determine or adjust the water flow height required by the standard, and the height distance between the nozzle and the sample cannot be adjusted. This poses a risk of non-compliance with standard requirements when testing samples of different heights, making it unsuitable for testing samples of varying heights. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide an end-quenching device for heat treatment, which can adjust the height of the sample to meet the test requirements.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.

[0006] A heat treatment end-quenching device includes a water tank, one bottom of which is connected to an inlet pipe, which is connected to a first outlet via a first branch pipe. The first outlet faces upwards, and a mounting plate is provided above it. The mounting plate has a sample mounting hole for mounting a sample. The mounting plate is connected to a height adjustment component that adjusts the distance between the sample and the first outlet according to the sample size. A baffle is installed above the first outlet to prevent the sample end face from being out of sync with the water column when the sample initially contacts the water column ejected from the first outlet.

[0007] The aforementioned end-quenching device for heat treatment includes a height adjustment component comprising a threaded column mounted on a first branch pipe, a mounting plate slidably connected to the threaded column, and locking bolts for fastening the mounting plate by threading the upper and lower ends of the mounting plate to the threaded column.

[0008] The aforementioned heat treatment end quenching device has a movable groove on the mounting plate that is slidably connected to the threaded column and is used to adjust the alignment of the sample mounting hole and the first water outlet.

[0009] The aforementioned heat treatment end quenching device has a vertical rod installed on the first branch pipe, and a baffle is rotatably installed on the top of the vertical rod; a height gauge is also installed on the vertical rod to detect the height of the water column when water is sprayed from the first outlet.

[0010] In the aforementioned heat treatment end quenching device, the water inlet pipe is also connected to the second water outlet through a second branch pipe. The second water outlet is located above the water tank and is set downwards.

[0011] The aforementioned heat treatment end quenching device has a first valve on the first branch pipe that can adjust the outflow rate of water, and a second valve on the second branch pipe.

[0012] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.

[0013] This utility model provides an end-quenching device for heat treatment. By setting a height adjustment component, the distance between the sample and the first water outlet can be adjusted. The structure is simple and easy to operate, and it can be used for the inspection of samples of different heights. In addition, a height gauge is set to measure the height of the water column sprayed from the first water outlet in real time, which facilitates real-time observation of the water column height. Moreover, the baffle installed above the first water outlet can also prevent the sample end face from being misaligned when it first contacts the water column. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the specific structure of the present utility model;

[0015] Figure 2 This is a schematic diagram of the specific structure of the adjustment mechanism described in this utility model;

[0016] Figure 3 This is a front view of the adjustment mechanism described in this utility model.

[0017] The components are: 1. Water tank, 2. Inlet pipe, 3. First branch pipe, 4. Second branch pipe, 5. First outlet, 6. Second outlet, 7. First valve, 8. Second valve, 9. Threaded column, 10. Mounting plate, 11. Locking bolt, 12. Sample mounting hole, 13. Moving slide, 14. Vertical rod, 15. Baffle, 16. Height gauge. Detailed Implementation

[0018] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0019] An end-quenching device for heat treatment, such as Figures 1 to 3 As shown, it includes a water tank 1, which is connected to a first water outlet 5 via a water inlet pipe 2. The first water outlet 5 is set with its opening facing upward. A mounting plate 10 for mounting the sample is set above the first water outlet 5. The mounting plate 10 is connected to a height adjustment component, which can adjust the distance between the sample and the first water outlet 5 according to the size of the sample.

[0020] The inlet pipe 2 is connected to the first branch pipe 3 and the second branch pipe 4 respectively, and the first branch pipe 3 is connected to the first outlet 5.

[0021] The second branch pipe 4 is connected to the second outlet 6, which is located above the water tank 1 and is set downwards.

[0022] The first branch pipe 3 is equipped with a first valve 7, and the second branch pipe 4 is equipped with a second valve 8, which can adjust the water flow rate. The first valve 7 and the second valve 8 work together to ensure the stability of the terminal water pressure.

[0023] The height adjustment assembly includes a threaded column 9 installed on the first branch pipe 3, a mounting plate 10 slidably connected to the threaded column 9, and locking bolts 11 that are threadedly connected to the threaded column 9 and fasten the mounting plate 10 at the upper and lower ends.

[0024] The mounting plate 10 has a sample mounting hole 12. During the test, the center of the sample mounting hole 12 is aligned with the center of the first water outlet 5 to ensure that the sample and the water column are aligned and coaxial.

[0025] The mounting plate 10 has a movable groove 13 that allows for adjustment of the alignment and coaxiality between the sample mounting hole 12 and the first outlet 5. The threaded column 9 passes through the movable groove 13 and slides within it to ensure that the sample mounting hole 12 and the first outlet 5 are aligned and coaxial. Then, it is securely connected to the mounting plate 10 by locking bolts 11.

[0026] A baffle 15 is installed above the first water outlet 5. The baffle 15 can prevent the sample end face from being out of sync with the water column when the sample initially comes into contact with the water column sprayed from the first water outlet 5.

[0027] A vertical rod 14 is provided on the first branch pipe 3, and a baffle 15 is rotatably installed on the top of the vertical rod 14 to facilitate opening the first water outlet 5, so that the water sprayed from the first water outlet contacts the end face of the sample and cools the sample.

[0028] A height gauge 16 is also installed on the vertical rod 14 to detect the height of the water column when water is sprayed from the first water outlet 5, so as to prevent the water column height from exceeding the standard range requirements.

[0029] During the test, the mounting plate 10 is first installed on the threaded column 9, and the sample mounting hole 12 is aligned and coaxial with the first outlet 5 below. Then, the mounting plate 10 is adjusted to a suitable height according to the sample size and locked by the locking bolt 11.

[0030] The sample is installed in the sample mounting hole, and then the baffle 15 above the first water outlet 5 is opened so that the water jet from the first water outlet 5 comes into contact with the end face of the sample, thereby cooling the sample. At the same time, the height of the water jet is observed through the height gauge 16 on one side, and the speed of the water flow is adjusted through the first valve 7 and the second valve 8 to ensure that the water pressure at the first water outlet is stable and meets the standard conditions for the height of the water jet.

[0031] This utility model provides an end-quenching device for heat treatment. By setting a height adjustment component, the distance between the sample and the first water outlet can be adjusted. The structure is simple and easy to operate, and it can be used for the inspection of samples of different heights. In addition, a height gauge is set to measure the height of the water column sprayed from the first water outlet in real time, which facilitates real-time observation of the water column height. Moreover, the baffle installed above the first water outlet can also prevent the sample end face from being misaligned when it first contacts the water column.

Claims

1. A heat treatment end-quenching device, characterized in that: The system includes a water tank (1), with one bottom of the water tank (1) connected to an inlet pipe (2), and the inlet pipe (2) connected to a first outlet (5) via a first branch pipe (3); the first outlet (5) is set with its opening facing upwards, and an installation plate (10) is set above the first outlet (5), with a sample mounting hole (12) for mounting the sample on the installation plate (10); the installation plate (10) is connected to a height adjustment component that adjusts the distance between the sample and the first outlet (5) according to the size of the sample; a baffle (15) is installed above the first outlet (5) to prevent the sample end face from being out of sync with the water column when the sample initially contacts the water column sprayed from the first outlet (5); the height adjustment component includes a threaded column (9) installed on the first branch pipe (3), the installation plate (10) is slidably connected to the threaded column (9), and the upper and lower ends of the installation plate (10) are provided with locking bolts (11) that are threadedly connected to the threaded column (9) to fasten the installation plate (10).

2. The end-quenching device for heat treatment according to claim 1, characterized in that: The mounting plate (10) is provided with a movable groove (13) that is slidably connected to the threaded column (9) and is used to adjust the alignment of the sample mounting hole (12) with the first outlet (5).

3. The end-quenching device for heat treatment according to claim 1, characterized in that: A vertical rod (14) is provided on the first branch pipe (3), and a baffle (15) is rotatably installed on the top of the vertical rod (14); a height gauge (16) is also installed on the vertical rod (14) to detect the height of the water column when the first water outlet (5) sprays water.

4. The end-quenching device for heat treatment according to claim 1, characterized in that: The inlet pipe (2) is also connected to the second outlet (6) through the second branch pipe (4). The second outlet (6) is located above the water tank (1) and is set downwards.

5. The end-quenching device for heat treatment according to claim 4, characterized in that: The first branch pipe (3) is equipped with a first valve (7) that can adjust the outflow rate, and the second branch pipe (4) is equipped with a second valve (8).

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