Cooling-water machine noise reduction device for extruded sheet production

• Main Author: YIN DANDAN
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: ACOUSTICS; ACOUSTICS NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; MUSICAL INSTRUMENTS; PERFORMING OPERATIONS; PHYSICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR; SHAPING OR JOINING OF PLASTICS; SOUND-PRODUCING DEVICES; TRANSPORTING; WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

The utility model discloses a cooling-water machine noise reduction device for extruded sheet production, which comprises a cooling-water machine body, a compressor and a sound insulation cover, the compressor and the sound insulation cover are arranged in the cooling-water machine body, a vacuum cavity is arranged in the sound insulation cover, the inner wall of the cooling-water machine body is fixedly connected with a device plate, the side wall of the device plate is provided with a groove body, and two cavities are arranged in the sound insulation cover. A cavity is formed in the side wall of the compressor, a clamping mechanism is arranged in the cavity, a plurality of ventilation openings are formed in the side wall of the sound insulation cover, sound absorption cotton is arranged in the ventilation openings, a plurality of sound absorption plates are arranged on the outer wall of the compressor, the sound absorption plates are connected with the compressor through fixing mechanisms, sound absorption