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Operation methods and regulations for small internal mixers

Release time:2024-09-20 Source:Guangdong LINA Machinery Co.,Ltd.

Operation method of small internal mixer (guidance):

1: Prepare raw materials such as raw rubber, oil, and small materials according to product requirements.

2. Check if there is oil in the oil cup of the pneumatic triple joint, and fill it up if there is no oil. Check the oil level of each gearbox and start the air compressor after the compressed oil level is not less than 1/3 of the center oil level. The air compressor will automatically stop when it reaches 8mpa and drain the moisture in the pneumatic triple joint.

3. Pull up the handle of the mixing chamber door to open it, press the prepare button, turn on the power, and the power indicator light on the small distribution panel will light up. Turn the upper top bolt knob to the "up" position. After the upper top bolt is raised to the "flip" position, turn the mixing chamber knob to the "flip" position. The mixing chamber will flip outward and automatically stop. During this period, the mixing chamber flipping sound and light alarm will sound. After carefully checking that there is no excess material or debris in the mixing chamber, turn the mixing chamber knob to the "back" position, and the mixing chamber will flip back and automatically stop. Place the mixing chamber knob in the middle position and set the required alarm temperature according to the different types of mixed rubber.

4. Start the host and wait for the secondary sound. After the ammeter shows the current, fill the mixing chamber with materials according to the process requirements step by step. When mixing materials with high hardness such as windshields and sheet metal in the second stage, it is necessary to first use a rubber cutting machine to cut open the first stage of the material to avoid stopping the machine. After feeding, turn the knob of the top bolt to the "down" position, and the top bolt will descend. During the descent process, the operating current of the machine will increase. If it exceeds the set current, the machine will automatically raise the top bolt, and after the current decreases, it will descend again. Pull the handle of the material compartment door upwards to close it.

5. When the temperature in the mixing chamber reaches the set temperature, the temperature alarm will sound and light. Rotate the upper top bolt knob to the "up" position, and then rotate the mixing chamber flip knob to the "flip" position after the upper top bolt is raised to the upper position. The mixing chamber will flip outward to unload the material, and the sound and light alarm light will sound. Place the small bucket car under the mixing chamber to receive the material. The receiving personnel should use a pre prepared wooden or bamboo piece to discharge the material in the mixing chamber. It is forbidden to manually remove the material in the mixing chamber. After the discharge is completed, a signal will be sent to the mixer operator. The operator will follow the work requirements. If continuing to work, the mixing chamber flip knob will be rotated to the "back" position. After the mixing chamber returns and automatically stops, it will continue to work. If it stops working, press the main engine stop button, and the main motor will stop working. Then turn the mixing chamber knob to the "back" position, Waiting for the next job. After the mixing chamber automatically stops, place the knob handle in the middle position.

Safety operating procedures for small internal mixers:

1. Before driving, it is necessary to check for any debris between the rotors in the mixing chamber and ensure that all instrument signal devices are in good condition before preparing to drive

When feeding, the cut film should be fed one by one, and it is strictly prohibited to feed it at once

4. If debris falls into the mixing chamber or malfunctions are found during operation, the vehicle must be stopped for handling

5. In case of sudden power outage, the material should be discharged and restarted after the power is restored. It is strictly prohibited to drive with materials

Daily maintenance of small internal mixer:

1. Check the condition of the oil inside the pneumatic triple joint and drain the water inside

2. Check that all fastening bolts are not loose

3. The oil level of each gearbox shall not be lower than the centerline

After completing the work, close all valves and electrical switches and clean the machine.


The above is edited by Lina Industrial, and the original source is:


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