Gas and water transmission combined mandrel of the

Gas and water transmission of rotary plastic bottle blowing machine (4) the cost of full-automatic fixture is very high. Combined mandrel

patent name: Hou Longhua, patent applicant of gas and water transmission combined mandrel of rotary plastic bottle blowing machine. Main applicant address: 061001 houlonghua, inventor of Zhaozhuang North team, nanchentun Township, canal District, Cangzhou City, Hebei Province; Houzhenguo application (patent) No 8. Application date: 2004.10.24 date of issuance approval Announcement No. approval announcement date: 2005.10.26 CD No. d0543 main classification No. b29c49/58 classification No. b29c49/58; The utility model provides a combined mandrel for gas and water transmission of a rotary plastic bottle blowing machine, which aims to provide a new combined mechanism for transporting gas and water with novel structure and convenient use. It is a casing type main shaft with an inner cavity sleeved with a gas transmission pipe and an outer ring sleeved cavity for the transmission of water jackets. The bottom end of the main shaft is equipped with an air pipe nozzle, and the bottom and top shaft bodies of the main shaft are respectively equipped with sealing rubber rings and bearings. A water inlet pipe is installed at the bottom of the main shaft to remove the damaged layer coupling seat generated during polishing as soon as possible. A spring seat and a spring are installed on the shaft body at the top of the main shaft, and the top of the spring is connected with a water sealing pad, The water sealing pad is matched and sealed with the water distribution cap fitted on the top of the main shaft. The water distribution cap is equipped with a water outlet pipe connector, and the outer body of the main shaft is also equipped with a gas transmission jacket. The bottom and top of the jacket are tightly matched with the sealing rubber ring and bearing on the main shaft and are matched and connected with the water distribution cap. The inner cavity of the jacket is connected with the air outlet hole of the inner core air pipe on the main shaft, and the outer body is composed of an air outlet pipe connector on the peripheral wall. Claim 1. A gas transmission and water transmission conjoined mandrel of a rotary plastic bottle blowing machine, which includes a bottle blowing machine spindle, a bearing and a sealant ring, which is characterized in that the spindle is a sleeve type spindle (6) with an inner cavity sleeve connected to the gas transmission core pipe (13), and the outer ring cavity of the inner gas pipe is a water transmission sleeve. The sealing part of the bottom end of the spindle (6) is equipped with a gas pipe nozzle (11) connected to the inner sleeve gas transmission core pipe (13), and a sealing rubber ring (7) is respectively installed on the bottom and top of the spindle (6) The bearing (8) and the sealing rubber ring (14), the bearing (15), the shaft body at the bottom of the main shaft (6) is equipped with a water inlet pipe coupler (9), the water inlet pipe (12) is installed on the water pipe coupler (9), the water pipe coupler (9) is connected and fixed on the main shaft (6) by a lock nut (10) and then connected with the universal joint through a fixing pin, and the top of the gas transmission core pipe (13) sleeved in the inner cavity of the main shaft (6) is connected to the air outlet of the gas distributor on the upper shaft body of the main shaft (6) by an elbow, A spring seat (5) and a spring (4) are installed and connected on the upper top shaft body of the main shaft (6), the top of the spring (4) is connected with a water seal pad (3), the top of the main shaft (6) is connected with a water distribution cap (1), the inner step hole of the water distribution cap (1) is sealed and connected with the water seal pad (3) installed on the main shaft (6), and 3 ~ 6 water outlet screw holes are uniformly distributed on the peripheral wall of the water distribution cap (1), each of which is connected with a water outlet connector (2), and an air transmission jacket (16) is also sleeved outside the main shaft (6) and the main shaft on the same axis, The bottom tight fitting sleeve of the outer sleeve (16) is connected to the shaft body at the bottom of the main shaft, and the recycled plastic granulator is installed on the shaft body at the bottom of the main shaft. In the future, there will be a large number of customer groups connected with the sealing rubber ring (7) and the bearing (8). The top tight fitting sleeve of the outer sleeve (16) is connected with the sealing rubber ring (14) and the bearing (15) installed on the top shaft body on the main shaft, and the external thread is made to fit and connect with the internal thread at the bottom of the water diversion cap (1). The inner cavity of the outer sleeve (16) is connected with the air outlet of the inner core air pipe (13), An air outlet pipe connector is arranged on the peripheral wall of the sleeve body of the outer sleeve (16)