A laboratory end-quenching test machine

Abstract

This utility model relates to the field of material performance testing technology, specifically a laboratory end-quenching test machine, comprising: a test machine housing, a working water tank installed inside the test machine housing, a buffer water tank installed on the side wall of the test machine housing, a water outlet pipe installed on the side wall of the buffer water tank, a water outlet pump installed at the outer end of the water outlet pipe, a drain pipe installed at the output end of the water outlet pump, the drain pipe being connected to the working water tank, and a temperature control box installed on the outer surface of the water outlet pipe, the temperature control box being located on the side wall of the test machine housing; the beneficial effect is that the laboratory end-quenching test machine proposed in this utility model utilizes the buffer water tank, the temperature control box, and the water outlet pump in cooperation. Water is pumped from inside the buffer water tank through the water outlet pipe and then through the temperature control box to raise or lower the water temperature, ensuring that the water delivered to the working water tank has the same temperature as the water in the original working water tank, thus avoiding temperature changes during operation that could affect the accuracy of the end-quenching test.

Description

Technical Field

[0001] This utility model relates to the field of material performance testing technology, specifically a laboratory end-quenching test machine. Background Technology

[0002] An end-quench tester is an experimental device used for the heat treatment of materials. It is primarily used to evaluate the quenching performance and hardening characteristics of metallic materials. By simulating the actual quenching process and measuring the hardness change curve, it provides data support for material performance evaluation and process optimization. In the field of materials science, hardenability is an important heat treatment performance of steel, reflecting its ability to form martensite during quenching. In end-quench tests, the height of the water column is one of the strictly controlled parameters, required to be maintained within the range of 65±5 mm. This requirement is to ensure the uniformity and consistency of the quenching process, as the height of the water column directly affects the cooling rate of the sample and the quenching effect.

[0003] In the prior art, if the water column height of a laboratory end-quenching test machine is not accurate during use, it may lead to uneven quenching effect, which in turn affects the accurate evaluation of hardenability. Therefore, when conducting end-quenching tests, the height of the water column is controlled by slowly adding water to the working water tank through a buffer water tank to ensure the accuracy and reliability of the test results.

[0004] Since the temperature of the water injected into the buffer tank during the end quenching test of the above-mentioned equipment is different, it will also affect the uneven quenching effect, thus affecting the accurate evaluation of hardenability. Therefore, this utility model proposes a laboratory end quenching test machine to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a laboratory end-quenching test machine to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a laboratory end-quenching test machine, comprising: a test machine housing, a working water tank installed inside the test machine housing, a buffer water tank installed on the side wall of the test machine housing, a water outlet pipe installed on the side wall of the buffer water tank, a water outlet pump installed at the outer end of the water outlet pipe, a drain pipe installed at the output end of the water outlet pump, the drain pipe being connected to the working water tank, and a temperature control box installed on the outer surface of the water outlet pipe, the temperature control box being located on the side wall of the test machine housing.

[0007] Preferably, the temperature control chamber has a rotating drum installed inside, a number of temperature control rods are installed on the outer surface of the rotating drum, and a large gear is installed on one side of the outer surface of the rotating drum.

[0008] Preferably, a fixing plate is installed on the top of the temperature control box, a drive motor is installed on the side wall of the fixing plate, and a rotating rod is installed at the output end of the drive motor.

[0009] Preferably, a small gear is mounted on the outer surface of the rotating rod, and the teeth of the small gear mesh with the teeth of the large gear.

[0010] Preferably, a fixing ring is installed on the outer surface of the outlet pipe, the fixing ring is located between the temperature control box and the outlet pump, and a thermometer is installed through the top of the fixing ring and inserted into the interior of the outlet pipe.

[0011] Preferably, the top of the working water tank has a water supply pipe, and a water pump is installed at the top of the water supply pipe. The water pump is connected to the buffer water tank.

[0012] Preferably, a needle valve is installed on the top of the working water tank, and a pressure gauge is installed on the top of the needle valve.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] The laboratory end-quenching test machine proposed in this utility model utilizes a buffer water tank, a temperature control chamber, and a water pump in conjunction with each other. The water pump draws water from inside the buffer water tank through an outlet pipe, and the temperature control chamber regulates the water temperature by raising or lowering it. This ensures that the water delivered to the working water tank has the same temperature as the water in the original working water tank, thus preventing temperature changes during operation from affecting the accuracy of the end-quenching test. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the laboratory end-quenching test machine of this utility model;

[0016] Figure 2 This is a top view schematic diagram of the laboratory end-quenching test machine of this utility model;

[0017] Figure 3 This is a three-dimensional structural diagram of the temperature control box of this utility model;

[0018] Figure 4 This is a three-dimensional structural diagram of the internal structure of the temperature control box of this utility model.

[0019] In the diagram: 1. Test chamber housing; 2. Working water tank; 3. Buffer water tank; 4. Water outlet pipe; 5. Water pump; 6. Drain pipe; 7. Temperature control chamber; 8. Rotary drum; 9. Temperature control rod; 10. Large gear; 11. Fixing plate; 12. Drive motor; 13. Rotating rod; 14. Small gear; 15. Fixing ring; 16. Thermometer; 17. Water supply pipe; 18. Water pump; 19. Needle valve; 20. Pressure gauge. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0021] Example 1: Please refer to Figures 1 to 4 This utility model provides a technical solution: a laboratory end-quenching test machine, the laboratory end-quenching test machine includes: a test machine housing 1, a working water tank 2 installed inside the test machine housing 1, a buffer water tank 3 installed on the side wall of the test machine housing 1, a water outlet pipe 4 installed on the side wall of the buffer water tank 3, a water outlet pump 5 installed at the outer end of the water outlet pipe 4, a drain pipe 6 installed at the output end of the water outlet pump 5, the drain pipe 6 being connected to the working water tank 2, a temperature control box 7 installed on the outer surface of the water outlet pipe 4, the temperature control box 7 being located on the side wall of the test machine housing 1, a water supply pipe 17 at the top of the working water tank 2, a water pump 18 installed at the top of the water supply pipe 17, the water pump 18 being connected to the buffer water tank 3, a needle valve 19 installed at the top of the working water tank 2, and a pressure gauge 20 installed at the top of the needle valve 19;

[0022] During operation, the working water tank 2 and the buffer water tank 3 are filled with water. The water is pumped from the working water tank 2 to the buffer water tank 3 by the water pump 18 of the test chamber 1 through the water supply pipe 17. The water is then pumped from the buffer water tank 3 through the water outlet pipe 4 through the temperature control box 7 to raise or lower the water temperature so that the water delivered to the working water tank 2 is at the same temperature as the water in the original working water tank 2. This avoids the water temperature change during operation from affecting the accuracy of the end quenching test. The water is then sent to the drain pipe 6 to flow into the working water tank 2, reducing the turbulence of the liquid surface in the working water tank 2, thereby stabilizing the water column height. The spray nozzle is opened, and the needle valve 19 and the pressure gauge 20 are adjusted to control the water pressure to a certain range.

[0023] Example 2: Based on Example 1, a structure is provided for temperature control and easy maintenance of the internal crystal tubes of the temperature control box 7. A rotating cylinder 8 is installed inside the temperature control box 7. The rotating cylinder 8 is made of a material that facilitates heat conduction. Several temperature control rods 9 are installed on the outer surface of the rotating cylinder 8. The temperature control rods 9 are controlled by a system to easily adjust the temperature of the water inside the water pipe 4. A large gear 10 is installed on one side of the outer surface of the rotating cylinder 8. A fixing plate 11 is installed on the top of the temperature control box 7. A drive motor 12 is installed on the side wall of the fixing plate 11. A rotating rod 13 is installed at the output end of the drive motor 12. A small gear 14 is installed on the outer surface of the rotating rod 13. The teeth of the small gear 14 mesh with the teeth of the large gear 10.

[0024] In use, the top of the temperature control box 7 can be easily opened. The drive motor 12 drives the rotating rod 13 to rotate, which in turn drives the small gear 14 to rotate. Through tooth meshing, the small gear 14 drives the large gear 10 to rotate, which in turn drives the rotating drum 8 to rotate. When a single crystal tube inside the temperature control rod 9 has a problem that affects the temperature rise and constant temperature of the water, the temperature control rod 9 can be rotated by rotating the rotating drum 8, so that the surface of the water outlet pipe 4 is heated evenly and can be maintained until the end quenching test is completed before maintenance.

[0025] Example 3: Based on Example 2, a device for detecting water temperature is provided. A fixing ring 15 is installed on the outer surface of the outlet pipe 4. The fixing ring 15 is located between the temperature control box 7 and the outlet pump 5. A thermometer 16 is installed through the top of the fixing ring 15 and is inserted into the interior of the drain pipe 6.

[0026] In use, the thermometer 16 is positioned and fixed between the water outlet pipe 4 and the water outlet pump 5 by the fixing ring 15, so that the thermometer 16 can detect the water temperature. When the detected water temperature is consistent, the water outlet pump 5 can be turned on.

[0027] In actual use, when the working water tank 2 and the buffer water tank 3 are full, the water is pumped from the working water tank 2 to the buffer water tank 3 by the water pump 18 in the test chamber 1 through the water supply pipe 17. Then, the water is pumped from the buffer water tank 3 through the water outlet pipe 4 through the temperature control rod 9 inside the temperature control box 7 to raise or lower the water temperature, so that the water delivered to the working water tank 2 is at the same temperature as the water in the original working water tank 2. This avoids the water temperature change during operation affecting the accuracy of the end quenching test. Finally, the water is sent to the drain pipe 6 to flow into the working water tank 2. This reduces the turbulence of the liquid surface in the working water tank 2, thereby stabilizing the water column height. Open the spray nozzle, adjust the needle valve 19 and pressure gauge 20 to control the water pressure to a certain range, drive the motor 12 to drive the rotating rod 13 to rotate, which in turn drives the small gear 14 to rotate. Through tooth meshing, the large gear 10 is driven to rotate, which in turn drives the rotating drum 8 to rotate. When a single crystal tube in the temperature control rod 9 has a problem that affects the heating and constant temperature of the water, rotating the rotating drum 8 can make the temperature control rod 9 rotate, so that the surface of the water outlet pipe 4 is heated evenly and can be maintained until the end quenching test is completed before maintenance.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A laboratory end-quenching test machine, characterized in that: The laboratory end-quenching test machine includes: a test machine housing (1), a working water tank (2) installed inside the test machine housing (1), a buffer water tank (3) installed on the side wall of the test machine housing (1), a water outlet pipe (4) installed on the side wall of the buffer water tank (3), a water outlet pump (5) installed at the outer end of the water outlet pipe (4), a drain pipe (6) installed at the output end of the water outlet pump (5), the drain pipe (6) being connected to the working water tank (2), and a temperature control box (7) installed on the outer surface of the water outlet pipe (4), the temperature control box (7) being located on the side wall of the test machine housing (1).

2. A laboratory end-quench tester according to claim 1, characterized in that: The temperature control box (7) has a rotating cylinder (8) installed inside. Several temperature control rods (9) are installed on the outer surface of the rotating cylinder (8). A large gear (10) is installed on one side of the outer surface of the rotating cylinder (8).

3. A laboratory end-quench tester according to claim 1 wherein: The temperature control box (7) is equipped with a fixing plate (11) on the top, and a drive motor (12) is installed on the side wall of the fixing plate (11). A rotating rod (13) is installed at the output end of the drive motor (12).

4. A laboratory end-quench tester according to claim 3, characterized in that: A small gear (14) is mounted on the outer surface of the rotating rod (13), and the teeth of the small gear (14) mesh with the teeth of the large gear (10).

5. A laboratory end-quench tester according to claim 1 wherein: A fixing ring (15) is installed on the outer surface of the water outlet pipe (4). The fixing ring (15) is located between the temperature control box (7) and the water outlet pump (5). A thermometer (16) is installed through the top of the fixing ring (15). The thermometer (16) is inserted into the interior of the drain pipe (6).

6. A laboratory end-quench tester according to claim 1 wherein: The top of the working water tank (2) has a water supply pipe (17), and a water pump (18) is installed on the top of the water supply pipe (17). The water pump (18) is connected to the buffer water tank (3).

7. A laboratory end-quench tester according to claim 1 wherein: A needle valve (19) is installed on the top of the working water tank (2), and a pressure gauge (20) is installed on the top of the needle valve (19).

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