Commercial refrigerator door opening and closing life testing machine

Commercial refrigerator door opening and closing life testing machine

The refrigerator door opening and closing life testing machine is suitable for durability testing of hinges and handles of vertical and horizontal refrigerators (including multiple doors). The net dimensions of the equipment (length * width * height) are 3000mm * 850mm * 2200mm, occupying an area of 2.55 square meters, with an actual usable area of 8 square meters (reserved space around the equipment for refrigerator clamping, swing arm rotation, and equipment maintenance, etc.); The total weight of the equipment is about 210KG; the power supply of the equipment is 220VAC/50Hz, and the total power is 1.8KW.

Technical specifications:

1. Equipment operating environment temperature -0 ℃ -50 ℃

2. The external dimensions of the equipment (length * width * height) are 3000mm * 850mm * 2200mm

3. Power requirements for equipment -220VAC/50Hz 1.8KW

4. Operating radius of robotic arm: 700mm

5. Mechanical arm movement angle -45 ° or 60 °

6. The operating speed of the robotic arm is adjustable from 10 times/minute to 32 times/minute

7. Door open/close test frequency setting and recording range --------1-999999

Commercial refrigerator door opening and closing life testing machineBasic components:

Refrigerator door opening and closing life testing machineIt consists of a framework, mechanical transmission part, and electrical automatic control part.

1. Framework: The equipment framework is assembled using OYU-10-6060W industrial aluminum material, which is a combination of heavy-duty structures with high stress, high strength, and high support requirements. The shape of the profile adopts rounded transition, and the surface is treated with anodized silver white, which is elegant, beautiful and corrosion-resistant. The frame is divided into two boxes, left and right. The right box is a fixed box, and the left box can be freely adjusted according to the size of the tested refrigerator. The maximum width between the left and right boxes can be adjusted to 2000mm. The swing arms installed on the vertical shafts of the left and right boxes are used for testing the door opening/closing of the vertical refrigerator; The swing arm installed on the horizontal axis in the middle of the two boxes is used for testing the opening/closing of the horizontal refrigerator door.

2. Mechanical transmission mechanism: The equipment adopts a motor-driven single transmission shaft form, and up to three mechanical arms are installed on the left and right vertical shafts respectively to achieve the opening/closing actions of multiple doors. The three mechanical arms can adjust the up and down positions according to the height of different refrigerator doors, and the three mechanical arms can rotate simultaneously. The rotation of the robotic arm is achieved by the motor driving the eccentric wheel and connecting rod to produce reciprocating motion, causing the vertical shaft to rotate within a fixed angle. The rotation angle can be set to two levels: 45 ° and 60 °. The opening/closing of the horizontal refrigerator door is achieved through the meshing transmission of bevel gears on the vertical and horizontal axes, thereby transforming the vertical rotational motion into horizontal rotational motion.

3. Electrical control part: The equipment adopts an automatic control method combining *'s PLC program controller, human-machine interface, and variable frequency speed control system. Two 750W reduction motors are used as the main driving force, and the variable frequency speed control system is used as the driving force to achieve the goal of infinitely adjustable door opening/closing speed between 10 revolutions per minute and 32 revolutions per minute; At the same time, the control system performs logical control and full process monitoring of the testing process, and responds to the current testing status through intuitive windows, including timely alarm and automatic shutdown of faults, making the testing work easier and smoother to operate, truly achieving the goal of unmanned operation.

Installation of the tested refrigerator:

The installation and fixation of vertical refrigerators (including left/right side open door refrigerators and double-sided open door refrigerators) can rely on the screw adjustment clamping device installed on the left and right boxes, or be fixed by a combination of corner brackets and screw adjustment clamping devices composed of OYU6060W aluminum profiles.

The equipment meets the standards:

Refrigerator door opening and closing life testing machinecomply with ISO15502-2005、GB/T8059-1995、GB/T8059.2-1995、GB/T8059.3-1995、GB/T8059.4-93 Technical requirements for testing.