Glass tube step-by-step cooling device for thermometer production

• Main Authors: FANG ZHENLEI, FAN HENGMEI
• Format: Patent
• Language: Chinese; English
• Published: 23.04.2021
• Subjects: BLASTING; CHEMISTRY; COLD ROOMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS; GLASS; HEAT PUMP SYSTEMS; HEATING; ICE-BOXES; LIGHTING; LIQUEFACTION SOLIDIFICATION OF GASES; MANUFACTURE OR STORAGE OF ICE; MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES; MECHANICAL ENGINEERING; METALLURGY; MINERAL OR SLAG WOOL; REFRIGERATION OR COOLING; REFRIGERATORS; WEAPONS

The invention discloses a glass tube step-by-step cooling device for thermometer production. The device comprises a cooling box, wherein the inner side wall of the cooling box is fixedly connected with a partition plate, a driving cavity and a cooling cavity are formed between the partition plate and the inner side wall of the cooling box, the upper end of the cooling box is rotatably connected with a threaded rod, the threaded rod is in threaded sleeve connection with two threaded sleeves, the outer side walls of the two threaded sleeves are fixedly sleeved with a fixing cylinder, the two ends of the fixing cylinder are fixedly sleeved with positioning discs, a coil is connected between the two positioning discs in a wound mode, the outer side of the coil is slidably sleeved with an adjusting ring, and the upper end of the cooling box is fixedly connected with a power source. According to the device, by arranging the adjusting ring, the temperature of cooling gas can be reduced step by step through mechanica