CN211071754U - Hot mould centrifugal pipe casting machine - Google Patents

Abstract

The utility model relates to a hot mould centrifugation pipe casting machine belongs to the mechanical equipment field. The utility model discloses a pouring spraying equipment, centrifugal host computer, turn over the core machine, go up core driving, drawbench and embrace a tub overhead traveling crane, pouring spraying equipment and the cooperation of centrifugal host computer, turn over core machine and last core driving cooperation, it all cooperates with centrifugal host computer with drawbench to go up core driving and drawbench, embrace a tub overhead traveling crane and drawbench cooperation. The hot die centrifugal tube casting machine further comprises a dust removal device, a coating system and a cooling system for cooling the tube die, wherein the dust removal device is matched with the centrifugal host machine, and the coating system is matched with the pouring and spraying equipment.

Description

Hot mould centrifugal pipe casting machine

Technical Field

The utility model relates to a hot mould centrifugation pipe casting machine belongs to the mechanical equipment field.

Background

The nodular cast iron pipe is widely applied to an underground water pipe, a hot die method is usually adopted for producing and processing nodular cast iron pipe fittings with the pipe diameters of more than 1200mm, most processing equipment cannot keep the pipe fittings to rotate at present, the pipe fittings are required to be kept in a rotating state all the time during forming and subsequent processing because the pipe diameters of the pipe fittings are larger, and otherwise, the product quality is influenced due to the fact that the pipe fittings are elliptical. In view of this, patent document No. 200810055230.2 discloses a hot mold casting steel tube centrifuge, and the hot mold casting steel tube centrifuge disclosed in the above-mentioned comparative document has low working efficiency, and it is difficult to ensure the rotation of the pipe member, which affects the product quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a hot mould centrifugation pipe casting machine that structural design is reasonable.

The utility model provides a technical scheme that above-mentioned problem adopted is: the hot die centrifugal tube casting machine is structurally characterized in that: the device comprises pouring spraying equipment, a centrifugal host, a core overturning machine, a core feeding travelling crane, a tube drawing machine and a tube embracing crown block, wherein the pouring spraying equipment is matched with the centrifugal host, the core overturning machine is matched with the core feeding travelling crane, the core feeding travelling crane and the tube drawing machine are matched with the centrifugal host, and the tube embracing crown block is matched with the tube drawing machine.

Further, the hot die centrifugal tube casting machine further comprises a dust removal device, a coating system and a cooling system for cooling the tube die, wherein the dust removal device is matched with the centrifugal host machine, and the coating system is matched with the pouring and spraying equipment.

Further, the pouring and spraying equipment comprises a pouring trolley, a spraying trolley and a transverse moving trolley, wherein the pouring trolley and the spraying trolley are both mounted on the transverse moving trolley, the transverse moving trolley comprises a left transverse moving trolley body, a right transverse moving trolley body, a left transverse moving oil cylinder, a right transverse moving oil cylinder, a transverse moving pulley and a transverse moving slide rail, the pouring trolley is mounted on the left transverse moving trolley body, the spraying trolley is mounted on the right transverse moving trolley body, the left transverse moving oil cylinder is connected with the left transverse moving trolley body, the right transverse moving oil cylinder is connected with the right transverse moving trolley body, the transverse moving pulleys are mounted on the left transverse moving trolley body and the right transverse moving trolley body, and the transverse moving pulleys are.

Further, the pouring trolley comprises a pouring trolley body, a pouring ladle support, a pouring ladle, a flow groove and a flow groove bracket, wherein the pouring ladle support and the flow groove bracket are both installed on the pouring trolley body, the pouring ladle is installed on the pouring ladle support, the flow groove is installed on the flow groove bracket, and the pouring ladle is matched with the flow groove.

Furthermore, the spraying trolley comprises a spraying trolley body, a spraying rod, a coating bucket, a transmission device, a cleaning device and a spraying device, wherein the spraying rod and the coating bucket are both installed on the spraying trolley body, the cleaning device and the transmission device are both installed on the spraying rod, the cleaning device is connected with the transmission device, the spraying device is installed on the cleaning device, and the spraying device is connected with the coating bucket.

Preferably, the pouring trolley further comprises a falling groove, the falling groove is connected with a runner, and the pouring ladle is matched with the falling groove.

Preferably, the pouring trolley further comprises an inoculant adding device for adding inoculant into the drop chute, and the inoculant adding device is positioned above the drop chute.

Preferably, the inoculant adding device comprises an inoculant hopper, an inoculant conveyor and an inoculant material pipe, the inoculant hopper is connected with the inoculant conveyor, the inoculant conveyor is connected with the inoculant material pipe, and the inoculant material pipe is positioned above the drop groove.

Preferably, the casting trolley further comprises a casting ladle oil cylinder, a cylinder barrel of the casting ladle oil cylinder is hinged with the casting trolley body, and a piston rod of the casting ladle oil cylinder is hinged with the casting ladle.

Preferably, the pouring and spraying equipment further comprises a spraying and pouring slide rail, the pouring trolley further comprises a pouring pulley and a pouring slide rail, the pouring pulley is installed on the pouring trolley body, the pouring slide rail is installed on the left transverse trolley body, the pouring pulley is installed on the pouring slide rail, and the pouring slide rail is in butt joint with the spraying and pouring slide rail.

Preferably, the pouring trolley further comprises a pipe die powder spraying device and a powder spraying pipe, and the pipe die powder spraying device is connected with the powder spraying pipe.

Preferably, the powder spraying pipe is mounted on the launder and launder bracket.

Preferably, the ladle is arranged in a fan-shaped structure.

Preferably, the ladle is disposed rearward of the drop tank.

Preferably, the launder is arranged obliquely.

Preferably, the transmission device comprises a transmission motor and a transmission shaft, the transmission motor is mounted on the spraying rod, one end of the transmission shaft is connected with the transmission motor, and the other end of the transmission shaft is connected with the cleaning device.

Preferably, the cleaning device comprises a cleaning support, a cleaning cylinder, a cleaning base, a cleaning swing arm and a cleaning steel wire wheel, the cleaning support is mounted on the spraying rod, the cleaning cylinder and the cleaning base are mounted on the cleaning support, the cleaning swing arm is connected with the cleaning base, the cleaning steel wire wheel is mounted on the cleaning swing arm, the cleaning cylinder is hinged to the cleaning swing arm, and the cleaning steel wire wheel is connected with the transmission device.

Preferably, the spraying device comprises a spraying bracket and a spraying nozzle, the spraying bracket is arranged on the cleaning device, the spraying nozzle is arranged on the spraying bracket, and the spraying nozzle is connected with the paint bucket.

Preferably, the pouring and spraying equipment further comprises a spraying and pouring slide rail, the spraying trolley further comprises a spraying pulley and a spraying slide rail, the spraying pulley is mounted on the spraying trolley body, the spraying slide rail is mounted on the right transverse trolley body, the spraying pulley is mounted on the spraying slide rail, and the spraying slide rail is in butt joint with the spraying and pouring slide rail.

Preferably, the propeller shaft is a cardan propeller shaft.

Preferably, the number of the spraying nozzles is multiple, and the multiple spraying nozzles are all installed on the spraying bracket.

Preferably, the spraying device is connected with the paint bucket through a pipeline system.

Preferably, the pipeline system comprises a first three-way pneumatic ball valve, a second three-way pneumatic ball valve, a pneumatic diaphragm pump and a two-way pneumatic ball valve, wherein a first connector of the first three-way pneumatic ball valve, a second connector of the first three-way pneumatic ball valve and a third connector of the first three-way pneumatic ball valve are arranged on the first three-way pneumatic ball valve, and a first connector of the second three-way pneumatic ball valve, a second connector of the second three-way pneumatic ball valve and a third connector of the second three-way pneumatic ball valve are arranged on the second three-way pneumatic ball valve.

Preferably, the first connector of the first three-way pneumatic ball valve is connected with a pneumatic diaphragm pump and a second connector of the second three-way pneumatic ball valve through pipelines, the second connector of the first three-way pneumatic ball valve is connected with a coating bucket, the third connector of the first three-way pneumatic ball valve is connected with the pneumatic diaphragm pump, the first connector of the second three-way pneumatic ball valve is connected with the coating bucket, the second connector of the second three-way pneumatic ball valve is connected with the pneumatic diaphragm pump, the third connector of the second three-way pneumatic ball valve is connected with a spraying device, and the two-way pneumatic ball valve is connected with the spraying device and a pipeline connected with the third connector of the second three-way pneumatic ball valve.

Preferably, spraying is carried out when a second connector of the first three-way pneumatic ball valve is communicated with a first connector of the first three-way pneumatic ball valve and a second connector of the second three-way pneumatic ball valve is communicated with a third connector of the second three-way pneumatic ball valve, and circulation is carried out when a second connector of the first three-way pneumatic ball valve is communicated with the third connector of the first three-way pneumatic ball valve and a second connector of the second three-way pneumatic ball valve is communicated with the first connector of the second three-way pneumatic ball valve.

Further, centrifugal host computer includes the host computer base, plays supporting role to the pipe mould and drives pipe mould pivoted riding wheel device to and be used for restricting pipe mould and keep off the wheel device along pipe mould axis removal in the rotation process, riding wheel device and fender wheel device are all installed on the host computer base, riding wheel device and fender wheel device cooperation.

Preferably, the riding wheel device comprises a riding wheel base and a riding wheel body, the riding wheel base is installed on the main machine base, and the riding wheel body is installed on the riding wheel base.

Preferably, the riding wheel base is of an integrated structure.

Preferably, the riding wheel body is in contact with the outer wall of the pipe die.

Preferably, the riding wheel device comprises a riding wheel driving motor, and the riding wheel driving motor is connected with the riding wheel body.

Preferably, the catch wheel device comprises a catch wheel base and a catch wheel body, the catch wheel base is installed on the host base, and the catch wheel body is installed on the catch wheel base.

Preferably, a pipe die limiting groove is arranged at the socket end of the pipe die, and the catch wheel body is positioned in the pipe die limiting groove.

Preferably, a core pressing hook used for pressing the sand core is installed at the female end of the pipe die and comprises a hook seat, a hook body, a resetting mechanism and a fixed pin shaft, the hook seat is installed at the female end of the pipe die, the hook body is installed on the hook seat through the fixed pin shaft, one end of the resetting mechanism is rotatably connected with the hook body, and the other end of the resetting mechanism is rotatably connected with the hook seat.

Preferably, the centrifugal main machine further comprises a lubricating device.

Preferably, the reset mechanism comprises a spring outer sleeve, a spring inner sleeve and a reset spring, the spring outer sleeve and the spring outer sleeve are rotatably connected with the hook body, the spring inner sleeve is rotatably connected with the hook seat, the reset spring is sleeved on the spring inner sleeve, and the spring outer sleeve is sleeved on the reset spring; one end of the reset spring is abutted against the outer spring sleeve, and the other end of the reset spring is abutted against the inner spring sleeve.

Preferably, the reset mechanism further comprises an outer sleeve pin shaft and an inner sleeve pin shaft, the outer spring sleeve is mounted on the hook body through the outer sleeve pin shaft, and the inner spring sleeve is mounted on the hook seat through the inner sleeve pin shaft.

Preferably, the hook body comprises a hook body head, a hook body seat and a hook body rod, and the hook body head and the hook body seat are respectively fixed at two ends of the hook body rod; the hook body rod is arranged on the hook seat through a fixed pin shaft; one end of the reset mechanism is rotationally connected with the hook body seat; the hook body head is arranged in a circular arc structure; the two sides of the hook body are symmetrically arranged.

Further, go up the core driving a vehicle and include last core device, elevating gear, it installs on elevating gear to go up the core device, elevating gear includes lift overcoat and lift inner tube, lift overcoat suit is on the lift inner tube, it installs on the lift inner tube to go up the core device.

Further, the core-loading traveling crane further comprises a movable trolley, the lifting device further comprises a lifting support, the lifting outer sleeve is installed on the lifting support, and the lifting support is installed on the movable trolley.

Preferably, the lifting device further comprises a lifting driving mechanism, the lifting driving mechanism is mounted on the lifting outer sleeve and is connected with the lifting inner cylinder.

Preferably, the lifting driving mechanism comprises a lifting base, a lifting motor and a screw nut, the lifting base is installed on the lifting outer sleeve, the lifting motor is installed on the lifting base, and the lifting motor is connected with the lifting inner cylinder through the screw nut.

Preferably, the lifting device further comprises a lifting limiting mechanism, and the lifting outer sleeve is sleeved on the lifting inner cylinder through the lifting limiting mechanism.

Preferably, the lifting limiting mechanism comprises a limiting guide rail and a limiting flat key, the limiting guide rail is installed on the lifting outer sleeve, the limiting flat key is installed on the lifting inner cylinder, and the limiting guide rail is matched with the limiting flat key.

Preferably, the number of the limiting guide rails is two, the two limiting guide rails are both arranged on the lifting outer sleeve, and the limiting flat key is arranged between the two limiting guide rails.

Preferably, the limiting guide rail is arranged in a shape structure.

Preferably, the core feeding device comprises a guide mechanism, a moving mechanism, a swinging mechanism, a core clamping mechanism and a core pressing mechanism, wherein the moving mechanism is arranged on the guide mechanism, the swinging mechanism and the core clamping mechanism are both arranged on the moving mechanism, the swinging mechanism is connected with the core clamping mechanism, and the core pressing mechanism is matched with the core clamping mechanism.

Preferably, the guide mechanism is mounted on the inner lifting cylinder.

Preferably, the guide mechanism comprises a guide sleeve, a guide pulley and a guide sliding rail, the guide sleeve is sleeved on the moving mechanism, the guide pulley is installed on the guide sleeve, the guide sliding rail is installed on the moving mechanism, and the guide pulley is installed on the guide sliding rail.

Preferably, the guide mechanism further comprises a guide riding wheel, the guide riding wheel is mounted on the guide sleeve and is in contact with the moving mechanism.

Preferably, the guide mechanism further comprises a guide oil cylinder, a piston rod of the guide oil cylinder is connected with the moving mechanism, and a cylinder barrel of the guide oil cylinder is connected with the guide sleeve.

Preferably, the moving mechanism comprises a moving sleeve and a moving base, the moving sleeve is fixed with the moving base, and the moving sleeve is mounted on the guide mechanism.

Preferably, the swing mechanism comprises a swing main shaft and a swing arm, the swing main shaft is mounted on the moving mechanism, one end of the swing main shaft is connected with the core clamping mechanism, and the other end of the swing main shaft is connected with the swing arm.

Preferably, the swing mechanism further comprises a swing oil cylinder, a piston rod of the swing oil cylinder is connected with the swing arm, and a cylinder barrel of the swing oil cylinder is connected with the moving mechanism.

Preferably, the sandwich mechanism comprises a front sandwich plate, a rear sandwich plate, a sandwich balance wheel, a sandwich connecting rod, a sandwich swing arm and a sandwich roller, wherein the front sandwich plate is connected with the rear sandwich plate, the rear sandwich plate is arranged on the moving mechanism, the sandwich balance wheel is positioned between the front sandwich plate and the rear sandwich plate, the sandwich balance wheel is connected with the swing mechanism, one end of the sandwich connecting rod is connected with the sandwich balance wheel, the other end of the sandwich connecting rod is connected with the sandwich swing arm, the sandwich swing arm is rotatably arranged on the front sandwich plate and the rear sandwich plate, the sandwich roller is arranged on the sandwich swing arm, and the sandwich roller is matched with the core pressing mechanism.

Preferably, the front sandwich plate is provided with a core supporting plate.

Preferably, the core pressing mechanism comprises a core pressing buckle plate and a core pressing rolling ring, the core pressing buckle plate is arranged on the core pressing rolling ring, and the core pressing rolling ring is matched with the core clamping mechanism.

Preferably, the core pressing mechanism further comprises a core pressing ring, and the core pressing ring is mounted on the core pressing buckle plate.

Furthermore, the core overturning machine comprises a core overturning machine base, an overturning frame, a moving frame, an overturning driving mechanism and a moving driving mechanism, wherein the overturning frame is rotatably arranged on the core overturning machine base, the moving frame is slidably arranged on the overturning frame, the overturning driving mechanism is connected with the overturning frame, and the moving driving mechanism is connected with the moving frame.

Preferably, the overturning driving mechanism comprises an overturning oil cylinder and an overturning oil cylinder seat, the overturning oil cylinder is connected with the overturning frame, and the overturning oil cylinder is installed on the overturning oil cylinder seat.

Preferably, the movement driving mechanism comprises a movement hand wheel and a movement lifter, the movement lifter is connected with the movement frame, and the movement hand wheel is installed on the movement lifter.

Preferably, the movable frame is arranged on the turnover frame through a movable limiting mechanism.

Preferably, the movable limiting mechanism comprises a limiting slide rail and a limiting slide block, the limiting slide rail is fixed on the roll-over stand, the limiting slide block is installed on the movable stand, and the limiting slide block is installed on the limiting slide rail.

Preferably, the limiting sliding blocks are arranged in a C-shaped structure.

Preferably, the movable frame is provided with a core turning cushion block, a core turning ejector rod and a core turning rubber pad.

Preferably, the movable frame is provided in a cross-shaped structure.

Preferably, when the roll-over stand is in a vertical state, the core-turning cushion block is positioned above the core-turning rubber cushion.

Preferably, the core overturning ejector rod is located in the middle of the movable frame.

Further, the tube drawing bench comprises a tube receiving idler assembly, a tube drawing trolley, a tube drawing power device and a tube drawing clamp, wherein the tube drawing clamp is installed on the tube drawing trolley, the tube drawing trolley is connected with the tube drawing power device, and the tube receiving idler assembly is matched with the tube drawing trolley; the tube drawing power device comprises a tube drawing machine frame, a tube drawing power mechanism, a tube drawing limiting mechanism and a tube drawing sliding rail, wherein the tube drawing power frame, the tube drawing limiting mechanism and the tube drawing sliding rail are all arranged on the tube drawing machine frame; the pipe receiving carrier wheel assembly and the pipe drawing trolley are both mounted on the pipe drawing slide rail, and the pipe drawing trolley is connected with a pipe drawing power mechanism.

Preferably, the tube drawing power mechanism comprises a tube drawing motor, a tube drawing speed reducer, a tube drawing driving sprocket, a tube drawing driven sprocket, a ring chain buckle, a tube drawing steel wire wheel and a tube drawing steel wire rope, wherein the tube drawing motor and the tube drawing speed reducer are both mounted on a tube drawing power frame, the tube drawing motor is connected with the tube drawing speed reducer, the tube drawing driving sprocket is mounted on the tube drawing speed reducer, the tube drawing driven sprocket and the tube drawing steel wire wheel are both mounted on the tube drawing frame, the tube drawing driving sprocket and the tube drawing driven sprocket are both matched with the ring chain buckle, the tube drawing steel wire wheel is matched with the tube drawing steel wire rope, and the ring chain buckle is connected with the tube drawing steel wire rope.

Preferably, the tube drawing steel wire rope bypasses a trolley driving steel wire wheel, the trolley driving steel wire wheel is installed on a trolley driving steel wire wheel seat, the chain link chain bypasses a trolley driving chain link chain wheel, and the trolley driving chain link chain wheel is installed on a trolley driving chain link chain wheel seat; and the trolley driving ring chain wheel seat are both arranged on the tube drawing trolley.

Preferably, the tube drawing limiting mechanism comprises a limiting oil cylinder, a limiting ejector block, a limiting swing arm and a limiting base, the cylinder barrel of the limiting oil cylinder and the limiting base are both installed on the tube drawing rack, one end of the limiting swing arm is installed on the limiting base, the other end of the limiting swing arm is connected with a piston rod of the limiting oil cylinder, and the limiting ejector block is installed on the limiting swing arm.

Preferably, the ring chain link is connected with the pipe drawing steel wire rope through a pipe adjusting mechanism.

Preferably, the pipe adjusting mechanism comprises a steel wire adjusting bolt, a chain buckle adjusting bolt and an adjusting pull rod, the steel wire adjusting bolt is connected with the pipe drawing steel wire rope, the chain buckle adjusting bolt is connected with the ring chain buckle, and the steel wire adjusting bolt and the chain buckle adjusting bolt are respectively connected with two ends of the adjusting pull rod.

Preferably, the tube drawing rack comprises a front tube drawing rack, a middle tube drawing rack and a rear tube drawing rack, the front tube drawing rack, the middle tube drawing rack and the rear tube drawing rack are sequentially connected, the tube drawing limiting mechanism is installed on the front tube drawing rack, and the tube drawing power rack is installed on the rear tube drawing rack.

Preferably, the tube drawing driven sprocket is mounted on the rear tube drawing frame, and the tube drawing steel wire wheel is mounted on the front tube drawing frame.

Preferably, the number of the tube drawing limiting mechanisms is two, and the two tube drawing limiting mechanisms are arranged in front of and behind each other.

Preferably, the limiting jacking block is arranged in a triangular structure.

Preferably, the tube drawing trolley comprises a trolley frame, trolley wheels, a tube drawing arm assembly and a tube drawing arm lifting device, wherein the trolley wheels and the tube drawing arm lifting device are both arranged on the trolley frame, and the tube drawing arm assembly is arranged on the tube drawing arm lifting device; the trolley wheels are mounted on the pipe drawing slide rails, the trolley frame is connected with a pipe drawing power mechanism, and the pipe drawing pliers are mounted on the pipe drawing arm assembly.

Preferably, the tube drawing arm assembly comprises a tube drawing arm support, a tube drawing arm riding wheel, a tube drawing arm body, a tube drawing arm driving mechanism, a binding clip connecting rod and a connecting rod driving mechanism, wherein the tube drawing arm support is installed on the tube drawing arm lifting device, the tube drawing arm riding wheel is installed on the tube drawing arm support, the tube drawing arm body is erected on the tube drawing arm riding wheel, one end of the tube drawing arm body is connected with the tube drawing arm driving mechanism, the binding clip connecting rod is installed on the tube drawing arm body, and the binding clip connecting rod is connected with the connecting rod driving mechanism; the tube drawing pliers are arranged on the tube drawing arm body and connected with the binding clip connecting rod.

Preferably, the other end of the tube drawing arm body is fixed with a forceps head connecting disc, and the tube drawing pliers are installed on the forceps head connecting disc.

Preferably, the connecting rod driving mechanism comprises a connecting pull rod, a connecting pull rod seat, a connecting main shaft seat and a connecting rod driving oil cylinder, the binding clip connecting rod is connected with the connecting pull rod, the connecting pull rod is installed on the connecting pull rod seat, the connecting pull rod seat is installed on the tube drawing arm support, the connecting pull rod is connected with the connecting main shaft, the connecting main shaft is installed on the connecting main shaft seat, the connecting main shaft seat is connected with a piston rod of the connecting rod driving oil cylinder, and a cylinder barrel of the connecting rod driving oil cylinder is installed on the tube drawing arm support.

Preferably, one end of the tube drawing arm body is matched with a tube drawing arm brake disc.

Preferably, the tube drawing arm driving mechanism comprises a tube drawing arm driving motor, the tube drawing arm driving motor is installed on the tube drawing arm support, and the tube drawing arm driving motor is connected with one end of the tube drawing arm body through a chain and a chain wheel.

Preferably, the tube drawing arm lifting device comprises a tube drawing arm lifting motor and a tube drawing arm lead screw lifter, the tube drawing arm lifting motor is connected with the tube drawing arm lead screw lifter, and the tube drawing arm assembly is installed on the tube drawing arm lead screw lifter.

Preferably, the trolley frame is provided with a weight box.

Preferably, the number of the tube drawing arm screw rod lifters is four, the four tube drawing arm screw rod lifters are symmetrically distributed, and the four tube drawing arm screw rod lifters are connected with a tube drawing arm lifting motor.

Preferably, the number of the tube drawing arm brake discs is two, and the two tube drawing arm brake discs are respectively located on two sides of the tube drawing arm body.

Preferably, the tube drawing pliers comprise a tube drawing pliers seat, a tube drawing pliers arm, a tube drawing pliers head, a tube drawing nail, a core breaking plate, a pliers arm driving arm, a pliers arm driving disc and a pliers arm driving shaft, wherein one end of the tube drawing pliers arm is connected with the tube drawing pliers seat, the tube drawing pliers head is installed at the other end of the tube drawing pliers arm, the tube drawing nail is installed on the tube drawing pliers head, the tube drawing pliers head is connected with the pliers arm driving arm, the pliers arm driving arm is connected with the pliers arm driving disc, the pliers arm driving disc is connected with the pliers arm driving shaft, and the pliers arm driving shaft, the core breaking nail and the core breaking plate are all installed on the tube drawing pliers seat; the tube drawing clamp seat is arranged on the tube drawing trolley.

Preferably, the tube drawing pliers further comprise a jaw fixing seat and a jaw, the jaw fixing seat is installed on the tube drawing pliers head, the jaw is installed on the jaw fixing seat, the tube drawing nail is installed on the jaw, and a gap exists between the jaw and the jaw fixing seat.

Preferably, the pipe drawing pliers further comprise a balance block, the balance block is installed on the jaw fixing seat and is in contact with the jaw, an arc-shaped structure is arranged on the balance block, and the arc-shaped structure is in contact with the jaw.

Preferably, the tube drawing pliers further comprise a pliers arm hinging seat, the pliers arm hinging seat is installed on the tube drawing pliers seat, and one end of the tube drawing pliers arm is connected with the pliers arm hinging seat.

Preferably, the core breaking nails and the core breaking plates are arranged in a staggered mode with the pipe drawing forceps arms.

Preferably, the pipe drawing forceps arms, the core breaking nails and the core breaking plates are all arranged circumferentially.

Preferably, the number of the core breaking nails is multiple, and the height of the core breaking nails is gradually increased from the female end to the female end of the pipe along the axial direction of the pipe, and the height of the core breaking plate is gradually increased from the female end to the female end of the pipe.

Preferably, the number of the tube drawing nails is multiple, and the tube drawing nails are all obliquely arranged.

Preferably, the pipe receiving supporting wheel assembly comprises a driving supporting wheel device and a driven supporting wheel device, the driving supporting wheel device is matched with the driven supporting wheel device, and the driving supporting wheel device and the driven supporting wheel device are both arranged on the pipe drawing sliding rail.

Preferably, the driving riding wheel device comprises a driving frame, a driving wheel, a driving riding wheel seat, a driving riding wheel frame, a driving riding wheel body and a driving swing oil cylinder, wherein the driving wheel and the driving riding wheel seat are both arranged on the driving frame, the driving riding wheel frame is arranged on the driving riding wheel seat, the driving riding wheel body is arranged on the driving riding wheel frame, the driving swing oil cylinder is arranged on the driving frame, and the driving swing oil cylinder is connected with the driving riding wheel frame; the driven riding wheel device comprises a driven frame, a driven wheel, a driven riding wheel seat, a driven riding wheel frame, a driven riding wheel body and a driven swing oil cylinder, wherein the driven wheel and the driven riding wheel seat are both arranged on the driven frame; the driving wheels and the driven wheels are both mounted on the tube drawing slide rails.

Preferably, the driving frame and the driven frame are both provided with a stop block.

Preferably, rubber buffers are mounted on the driving frame and the driven frame.

Preferably, the driving frame and the driven frame are both provided with limiting guide wheels.

Preferably, the number of the limiting guide wheels is two, and the two limiting guide wheels are arranged up and down.

Preferably, the limiting guide wheel is provided with a semicircular annular groove.

Preferably, the pipe connecting supporting wheel assembly further comprises a supporting wheel driving motor, and the supporting wheel driving motor is connected with the driving supporting wheel body.

Preferably, the pipe connecting carrier assembly further comprises a pull rod seat and a pull rod, the pull rod seat is installed at the bottom of the driving frame, and the pull rod is connected with the pull rod seat.

Preferably, the number of the driving riding wheel bodies and the number of the driven riding wheel bodies are two, and the two driving riding wheel bodies and the two driven riding wheel bodies are respectively and symmetrically arranged.

Preferably, the driving frame is matched with the driven frame.

Preferably, the tube drawing machine further comprises a tube drawing positioning device, the tube drawing positioning device comprises a positioning oil cylinder and a positioning ejector block, the cylinder barrel of the positioning oil cylinder and the positioning ejector block are both installed on the tube drawing machine frame, a piston rod of the positioning oil cylinder is connected with the positioning ejector block, and the positioning ejector block is in contact with the connecting tube carrier roller component.

Further, embrace a tub overhead traveling crane including embracing a tub device, embracing a tub sideslip device, embracing a tub elevating gear and embracing a tub guider, embrace a tub elevating gear and install on embracing a tub sideslip device, embrace a tub device and embrace a tub elevating gear and be connected, embrace a tub sideslip device and embrace a tub device and all embrace a tub guider cooperation.

Preferably, the pipe holding transverse moving device comprises a pipe holding transverse moving beam and pipe holding transverse rollers, the pipe holding transverse rollers are installed at the bottom of the pipe holding transverse moving beam, and the pipe holding lifting device is installed on the pipe holding transverse moving beam.

Preferably, the pipe holding and traversing device further comprises a pipe holding and traversing motor and a pipe holding and traversing reducer, and the pipe holding and traversing roller is connected with the pipe holding and traversing motor through the pipe holding and traversing reducer.

As preferred, embrace a tub elevating gear including embracing a tub lift reel, embracing a tub lift bend wheel, embracing a tub lift fixed pulley and embracing a tub lifting wire rope, embrace a tub lift reel and embrace a tub lift bend wheel and all install on embracing a tub sideslip device, embrace a tub lift fixed pulley and install on embracing a tub device, embrace tub lift wire rope and walk around embracing tub lift bend wheel and embracing a tub lift fixed pulley, embrace tub lift wire rope's one end and embrace a tub lift reel and be connected, embrace tub lift wire rope's the other end and embrace a tub sideslip device and be connected.

Preferably, the pipe holding lifting device further comprises a pipe holding lifting motor and a pipe holding lifting reducer, the pipe holding lifting motor is connected with the pipe holding lifting reducer, and the pipe holding lifting reducer is connected with the pipe holding lifting winding drum.

Preferably, the pipe holding guide device comprises a pipe holding guide post, a pipe holding guide seat and a pipe holding guide block, the pipe holding guide post is installed on the pipe holding device, the pipe holding guide seat is installed on the pipe holding transverse moving device, the pipe holding guide block is installed on the pipe holding guide seat, and the pipe holding guide post is in contact with the pipe holding guide block.

Preferably, the pipe holding guide column is arranged in a rectangular structure, and the pipe holding guide block is prevented from contacting with the pipe holding guide column.

Preferably, the pipe holding transverse moving roller is arranged on the pipe holding transverse moving guide rail.

As preferred, embrace the pipe device including embracing a tub lifting beam, embracing a tub swing arm drive assembly, embracing a tub riding wheel and embracing a tub riding wheel drive assembly, embrace a tub swing arm and embrace tub swing arm drive assembly and all install on embracing a tub lifting beam and embrace a tub swing arm and embrace tub swing arm drive assembly and be connected, embrace a tub riding wheel and embrace tub riding wheel drive assembly and all install on embracing a tub swing arm and embrace tub riding wheel drive assembly and be connected.

Preferably, the pipe holding lifting beam is connected with the pipe holding lifting device, and the pipe holding traversing device and the pipe holding lifting beam are matched with the pipe holding guide device.

As preferred, it includes embracing tub swing arm motor, embracing tub swing arm reduction gear and embracing tub swing arm link mechanism to embrace tub swing arm drive assembly, embrace tub swing arm motor and embrace tub swing arm retarder connection, embrace tub swing arm reduction gear and embrace tub swing arm link mechanism and be connected, embrace tub swing arm link mechanism and embrace tub swing arm and be connected.

Preferably, the pipe embracing swing arm driving assembly further comprises a pipe embracing swing arm brake, and the pipe embracing swing arm brake is connected with the pipe embracing swing arm speed reducer.

Preferably, embrace conduit saddle wheel drive assembly including embracing conduit saddle wheel motor and embracing conduit saddle wheel reduction gear, embrace conduit saddle wheel motor and embrace conduit saddle wheel reduction gear connection, embrace conduit saddle wheel reduction gear and embrace conduit saddle wheel connection.

As preferred, embrace a tub swing arm link mechanism including embracing a tub swing arm actuating lever and embracing a tub swing arm connecting rod, embrace a tub swing arm reduction gear and embrace a tub swing arm actuating lever and be connected, embrace a tub swing arm actuating lever and embrace a tub swing arm connecting rod and be connected, embrace a tub swing arm connecting rod and embrace a tub swing arm and be connected.

Preferably, the number of the pipe holding swing arms is two, and the two pipe holding swing arms are symmetrically arranged.

Preferably, the pipe holding carrier wheel is arranged on the inner side of the pipe holding swing arm.

Preferably, the pipe holding idler is in contact with the outer wall of the pipe fitting.

Preferably, heat insulation plates are mounted on the inner wall of the pipe holding swing arm and the bottom of the pipe holding lifting beam.

Preferably, the heat insulating plate is in contact with an outer wall of the pipe.

Further, dust collector includes the protection casing subassembly, the protection casing subassembly includes protection casing housing, the protection casing body, protection casing wheel and the cover body actuating mechanism, the protection casing wheel is installed in the bottom of protection casing housing, the protection casing body is installed on the protection casing housing, the cover body actuating mechanism is connected with the protection casing body.

Further, the dust removal device further comprises a dust removal assembly, the dust removal assembly is matched with a female end of the centrifugal host, the dust removal assembly comprises a dust removal air suction cover, a dust removal air suction pipe and a dust removal air outlet pipe, the dust removal air suction cover is matched with the female end of the centrifugal host, the dust removal air suction cover is connected with the dust removal air suction pipe, and the dust removal air suction pipe is connected with the dust removal air outlet pipe.

Preferably, the cover driving mechanism comprises a cover driving oil cylinder, a cover driving guide rail and a cover driving guide wheel, the cover driving guide rail is installed on the protective cover housing, the cover driving guide wheel is installed on the cover driving guide rail, a cylinder barrel of the cover driving oil cylinder is installed on the protective cover housing, and a piston rod of the cover driving oil cylinder is connected with the protective cover housing.

Preferably, the dust removal assembly further comprises a dust removal support, and the dust removal air suction pipe and the dust removal air outlet pipe are both arranged on the dust removal support.

Preferably, the dust removal air suction pipe is arranged on the dust removal bracket through a rotary support.

Preferably, the dust removal assembly further comprises a dust removal oil cylinder, a cylinder barrel of the dust removal oil cylinder is hinged to the dust removal support, and a piston rod of the dust removal oil cylinder is hinged to the dust removal air suction pipe.

Preferably, the dust removal air suction pipe is arranged in a shape structure.

Preferably, the protective cover housing is arranged in a door-shaped structure.

Preferably, the guard wheel is mounted on a guard wheel rail.

Further, the coating system comprises a stirring barrel, a pneumatic diaphragm pump, a colloid mill and pipelines, wherein the stirring barrel comprises a first stirring barrel, a second stirring barrel, a third stirring barrel and a fourth stirring barrel, the pneumatic diaphragm pump comprises a first pneumatic diaphragm pump and a second pneumatic diaphragm pump, and the pipelines comprise an eighth pipeline, a ninth pipeline and a tenth pipeline; no. two agitator and No. three agitator all with No. nine tube coupling, No. nine pipelines and pneumatic diaphragm pump connection, pneumatic diaphragm pump and No. eight tube coupling, No. eight pipelines and an agitator are connected, an agitator and No. ten tube coupling, No. ten pipelines and colloid mill are connected, the colloid mill is connected with No. four agitators.

Preferably, the pipeline still includes a pipeline, No. two pipelines, No. three pipelines and No. seven pipelines, No. one the pipeline is connected with the agitator, No. two the pipeline is connected with the agitator, No. three the pipeline is connected with the agitator, No. one the pipeline, No. two the pipeline and No. three the pipeline all with No. seven tube coupling.

Preferably, the second pipeline and the third pipeline are both connected with the ninth pipeline.

Preferably, the pipeline still includes No. four pipelines, No. five pipelines and No. six pipelines, No. four agitator and No. four tube coupling, No. four pipelines and No. two pneumatic diaphragm pumps are connected, No. two pneumatic diaphragm pumps are connected with the one end of No. five pipelines, the one end and No. four agitator of No. six pipelines are connected, the other end and No. five tube coupling of No. six pipelines.

Preferably, the other end of the fifth pipeline is connected with a paint tank of the spraying trolley.

Compared with the prior art, the utility model has the advantages of it is following:

1. this pouring dolly is fit for pouring when processing the great pipe fitting of pipe diameter more than 1200mm, make the chute be close to the pipe die through the removal of pouring dolly, and inject the chute into the spigot end of pipe die and through watering the ladle cylinder drive and water the ladle and rotate, make the molten iron in watering the ladle flow into the blanking groove, flow into the pipe die through the chute, adopt this pouring small motorcade pipe fitting to pour into a mould constantly and guarantee the molten iron that has the capacity, accessible inoculant adds the device and adds the inoculant to the blanking groove simultaneously, in order to ensure the pipe fitting quality.

2. This spraying dolly can realize the automatic clearance to the pipe die inner wall, reduces human cost's input, has improved factor of safety, removes to the pipe die direction through the spraying automobile body for in the spraying pole inserts the pipe die, clean the steel wire wheel through drive machine control and rotate, clean the swing arm swing through cleaning the cylinder drive simultaneously, make and clean steel wire wheel and pipe die inner wall contact, realize the clearance to the pipe die inner wall, the coating spraying in the rethread spraying nozzle will scribble the storage bucket to the pipe die inner wall.

3. Can concentrate on an equipment with pouring dolly and spraying dolly through this sideslip dolly, piston rod through left sideslip hydro-cylinder withdraws, the piston rod of right sideslip hydro-cylinder stretches out simultaneously, make the butt joint of pouring slide rail and spraying pouring slide rail, the pouring pulley moves on pouring slide rail and spraying pouring slide rail, move to the spigot end of pipe die through the pouring dolly, realize the pouring to the pipe die, piston rod through left sideslip hydro-cylinder stretches out, the piston rod of right sideslip hydro-cylinder withdraws simultaneously, make spraying slide rail and spraying pouring slide rail butt joint, the spraying pulley moves on spraying slide rail spraying pouring slide rail, move to the spigot end of pipe die through the spraying dolly, realize the spraying to the pipe die.

4. This centrifugal host computer uses when being applicable to the pipe fitting that adopts hot mould method processing pipe diameter to be more than 1200mm, left side in this centrifugal host computer, two riding wheel bases E21 formula shaping structure as an organic whole on the right side, confirm a left side in advance according to the size of pipe diameter, distance between two riding wheel bases on the right side, can be with corresponding riding wheel pedestal mounting on the host computer base when needing to change the pipe die can, do not need to change the pipe die at every turn before the adjustment left side, distance between two riding wheel bases on the right side, when driving the pipe die through riding wheel body and rotating, keep off the wheel body and inlay in the pipe die spacing groove, in order to prevent that the pipe die is rotating the in-process, the pipe die removes along its axis direction, reduce the error, guarantee the pipe fitting quality, human cost's input has been reduced simultaneously, and.

5. In addition, the female end of the pipe die is installed on the hook seat of the core pressing hook, the sand core is placed at the female end of the pipe die, after molten iron is poured into the socket end of the pipe die, the weight of the hook seat is larger than that of the hook body head, the hook body rod rotates at a high speed through the pipe die, the hook body head and the sand core are enabled to be in contact through a core pressing plate under the action of centrifugal force, the hook body head presses the sand core more tightly when the rotating speed of the pipe die is faster, and the hook body head with the arc arrangement is convenient to place the sand core at the female end of the pipe die.

6. Can realize going up the core to the automation of pipe die through this go up core driving, reduce human cost's input, improve work efficiency and factor of safety, specifically drive elevating gear horizontal migration through the travelling car, remove elevating gear and last core device to suitable position, drive the vertical removal of last core device through elevating gear, will go up core device to suitable position, rotate through elevator motor drive screw nut, drive the lift inner tube and reciprocate for the axis of psammitolite and the axis coincidence of pipe die.

7. The sand core is placed on the core supporting plate, the movable sleeve is driven by the guide oil cylinder to move to the female end of the pipe die along the guide pulley and the guide slide rail, the sand core is placed at the female end of the pipe die, after the sand core is installed, the swing main shaft is driven by the swing oil cylinder to swing, the sandwich balance wheel is driven to swing, the sandwich connecting rod is controlled to draw in the sandwich roller, the sandwich roller is separated from the core pressing rolling ring, the sand core and the core pressing buckle plate are left at the female end of the pipe die together, the core pressing buckle plate is pressed tightly through the core pressing hook, the sand core is pressed tightly at the female end of the pipe die, and the core pressing mechanism rotates along with the pipe die while the pipe die rotates.

8. The tube drawing machine can drive a tube drawing arm body to rotate through a tube drawing arm driving motor in a tube drawing process, so that a tube drawing clamp drives a tube drawing piece to rotate, a tube drawing trolley is driven by a tube drawing power device to move, the tube drawing clamp arranged on the tube drawing trolley draws the tube from a tube die, the middle of a driving riding wheel device and a driven riding wheel device is not connected or in flexible connection in the tube drawing process, a driving swing oil cylinder drives a driving riding wheel frame to swing after the tube drawing trolley draws the tube out for a certain distance, so that the driving riding wheel body is in contact with the outer wall of the tube, a positioning oil cylinder in a tube drawing positioning device close to the tube drawing trolley drives a positioning ejection block to rotate, the driving positioning ejection block releases the driving riding wheel device, the tube drawing trolley continues to draw the tube, the driven swing oil cylinder drives a driven riding wheel frame to swing after the tube is drawn out for a certain distance, so that the driven riding wheel body is in contact with, a positioning oil cylinder in a pipe drawing positioning device far away from a pipe drawing trolley drives a positioning ejector block to rotate, the positioning ejector block is driven to release a driving riding wheel device, a pipe fitting is erected on the driving riding wheel device and a driven riding wheel device, and the pipe fitting can be driven to rotate through the driving riding wheel device.

9. The pipe fitting is pulled out from the centrifugal host machine through the connecting pipe riding wheel component which is erected on the connecting pipe riding wheel component and can drive the pipe fitting to rotate so as to avoid the situation that the pipe fitting is elliptical, in particular, the pipe fitting is pulled out from the female end of a pipe die through a pipe drawing machine, when the pipe drawing machine moves to a certain distance, the driving riding wheel carrier is driven to swing through the driving swing oil cylinder so that the driving riding wheel body is in contact with the outer wall of the pipe fitting, the pipe drawing machine continues to pull out the pipe fitting, when the pipe drawing machine moves to a certain distance, the driven riding wheel carrier is driven to swing through the driven swing oil cylinder so that the driven riding wheel body is in contact with the outer wall of the pipe fitting, the pipe drawing machine continues to move, when the pipe fitting is not completely separated from the pipe die, the pipe die is driven to drive the pipe fitting to rotate by the power provided by the pipe drawing machine, and when, the driving riding wheel body drives the pipe fitting to rotate, and the situation that the pipe fitting is elliptical is avoided.

10. When the pipe fitting is pulled out from the centrifugal host machine through the pipe drawing trolley, the pipe fitting can be driven to rotate, the situation that the pipe fitting is elliptical is avoided, specifically, the trolley frame moves to the female end of the pipe die and tightly supports the female end of the pipe fitting through the pipe drawing tongs, the trolley frame drives the pipe fitting to move to pull out the pipe fitting from the pipe die under the movement of trolley wheels, the pipe drawing arm body is controlled to rotate through a pipe drawing arm driving motor in the pipe drawing process, the rotation of the pipe fitting is further realized, the connecting rod driving oil cylinder is used for controlling the connecting pull rod, the opening and closing state of the tong head is further realized through the tong head connecting rod, the pipe fitting is connected with the main shaft to rotate on the connecting main shaft seat when rotating, and the tong head connecting rod can move along the axis direction of the tong head connecting rod and rotate along the axis of the tong head connecting.

11. The pipe pulling power device can provide power for pipe pulling, and can limit the riding wheel components through the pipe pulling limiting mechanism in the pipe pulling process, so that the riding wheel components cannot slide on the rail at will, two groups of riding wheel components arranged in front and back are not connected during the specific pipe pulling, the pipe pulling reducer is driven to rotate forwards or reversely by the pipe pulling motor, so that the pipe pulling trolley moves forwards or backwards, the two groups of riding wheel components are respectively blocked to move through the two pipe pulling limiting mechanisms, after the pipe is pulled out for a certain length, the limiting oil cylinder close to the back pipe pulling rack drives the limiting swing arm to swing, so that the limiting ejector block can release the riding wheel components close to the back pipe pulling rack, after the pipe is continuously pulled out for a certain length, the limiting oil cylinder close to the front pipe pulling rack drives the limiting swing arm to swing, so that the limiting ejector block can release the riding wheel components close to the back pipe pulling rack, and the pipe can be pulled out, after working for a period of time, the tensioning adjustment can be carried out on the ring chain buckle and the tube drawing steel wire rope by adjusting the adjusting pull rod.

12. The pipe drawing pliers are suitable for drawing out a pipe fitting when a nodular cast iron pipe is machined by a hot die method, the sand core at the female end of the pipe fitting can be completely crushed by the staggered arrangement of the pipe drawing nails and the core breaking nails, the workload is reduced, the investment of labor cost is reduced, the working efficiency is improved, particularly, when the pipe is drawn, the pipe drawing pliers are driven by the pipe drawing trolley to move towards the female end of the pipe fitting, the sand core at the female end of the pipe fitting can be scratched by the pipe drawing nails and the core breaking nails, the core breaking function is realized, the pipe drawing pliers are driven by the pipe drawing trolley to continuously move, the clamp arm driving disc is pulled by the clamp arm driving disc, the clamp arm driving arm is pulled by the clamp arm driving disc, so that a pipe drawing head is opened by a pipe drawing clamp arm, the pipe fitting is supported by the contact of the pipe drawing nails and the inner wall of the pipe fitting, the pipe fitting is drawn out by the pipe drawing trolley, when the pipe drawing nails and the inner wall of the, to extend its useful life.

13. The core overturning machine can overturn a sand core from a horizontal state to a vertical state, so that the sand core can be conveniently taken away by a core loading crane and placed at the socket end of a pipe die, the investment of labor cost is reduced, the working efficiency is improved, before the core loading crane takes the core, the sand core is placed on a moving frame horizontally arranged, the overturning frame is driven to rotate by an overturning oil cylinder, the overturning frame rotates 90 degrees, the sand core is contacted with a core overturning rubber pad to increase the friction force, the horizontal placing state of the sand core is converted into the vertical state, an inner ring of the sand core in the vertical state is hung on a core overturning cushion block, and the sand core is taken away and placed at the socket end of the pipe die by the core loading crane; when the pipe die is replaced, the diameter of the sand core is changed, the moving lifting machine is driven to move by the moving hand wheel, so that the moving frame moves on the turnover frame through the limiting slide rail and the limiting slide block, and the axis of the sand core is adjusted to coincide with the axis of the core turnover ejector rod.

14. The dust removal device has the advantages that the protective cover assembly in the dust removal device covers the centrifugal main machine to process the pipe fittings, the safety factor can be improved, the dust removal assembly removes dust inside the protective cover assembly, the pollution to the environment can be reduced, the dust removal suction hood swings to the female end of the pipe fittings through the dust removal oil cylinder when the pipe fittings are processed, and the dust removal assembly can remove dust inside the protective cover assembly; the newly-added bellmouth rotating dust collection cover improves the dust removal effect.

15. The coating system can circulate the coating and avoid the condition of coating precipitation, specifically, the coating in the second stirring barrel and the third stirring barrel enters the first stirring barrel through the first pneumatic diaphragm pump and the ninth pipeline and the eighth pipeline, and the coating in the first stirring barrel enters the colloid mill through the tenth pipeline 0 and then enters the fourth stirring barrel; when a valve on a sixth pipeline is closed and a valve on a fifth pipeline is opened, the coating in the fourth stirring barrel enters a coating tank of the spraying trolley through a second pneumatic diaphragm pump and the fourth pipeline and the fifth pipeline, and when the valve on the sixth pipeline is opened and the valve on the fifth pipeline is closed, the coating in the fourth stirring barrel circulates through the fourth pipeline, the fifth pipeline and the sixth pipeline through the second pneumatic diaphragm pump, so that the coating in the fourth stirring barrel is prevented from precipitating; a stirring barrel, a second stirring barrel and a third stirring barrel are respectively and periodically used for discharging sewage through a first pipeline, a second pipeline and a third pipeline, and the sewage is discharged through a seventh pipeline.

16. When the pipe fitting to behind the machine-shaping shifts through this embrace a tub overhead traveling crane, the pipe fitting can not rock, high stability, factor of safety is high, hold the pipe fitting through embracing the pipe fitting device simultaneously, can drive the pipe fitting and rotate, avoid the oval condition to appear in the pipe fitting, embrace the pipe fitting device and hold the back with the pipe fitting, through embracing the rotation of pipe lifting drum, pack up and embrace a tub lift wire rope, will embrace a tub device rebound, through embracing a tub guide post and embracing a tub guide block contact, can restrict to embrace the pipe fitting and move in vertical direction, it can not rock to embrace the pipe fitting, will embrace the pipe fitting and rise to appointed height after, move on embracing a tub sideslip gyro wheel through embracing a tub sideslip crossbeam, realize the lateral shifting with the pipe fitting.

17. The pipe fitting after the pipe fitting device is transferred and is formed can be enabled to rotate through the pipe fitting, the oval condition of the pipe fitting is avoided, swing of a pipe swing arm connecting rod mechanism is embraced through embracing pipe swing arm motor control, the pipe swing arm is opened to be embraced, the pipe fitting is embraced through embracing the pipe swing arm, the outer wall contact of a pipe riding wheel and the pipe fitting is embraced, embrace the pipe riding wheel through embracing pipe riding wheel motor drive and rotate after the pipe fitting is embraced, the rotation of the pipe fitting is realized, embrace pipe swing arm brake control through the installation and embrace pipe swing arm reduction gear and stop, the installation heat insulation board can be avoided embracing pipe swing arm drive assembly and embracing pipe riding wheel drive assembly due to the higher damage of.

Drawings

Fig. 1 is a schematic front view of a hot mold centrifugal tube casting machine according to an embodiment of the present invention.

Fig. 2 is a schematic top view of a hot mold centrifugal tube casting machine according to an embodiment of the present invention.

Fig. 3 is a schematic top view of the pouring and spraying apparatus according to an embodiment of the present invention.

Fig. 4 is a left side view structure diagram of the pouring and spraying equipment of the embodiment of the present invention.

Fig. 5 is a schematic front view of the pouring cart according to the embodiment of the present invention.

Fig. 6 is a schematic view of the sectional structure I-I in fig. 5.

Fig. 7 is a schematic front view of the spraying cart according to the embodiment of the present invention.

Fig. 8 is a schematic sectional structure view of a cleaning device according to an embodiment of the present invention.

Fig. 9 is a schematic view of a connection structure of a piping system according to an embodiment of the present invention.

Fig. 10 is a schematic front view of the centrifugal main unit according to the embodiment of the present invention.

Fig. 11 is a left side view structure diagram of the centrifugal host according to the embodiment of the present invention.

Fig. 12 is a schematic top view of the centrifugal main unit according to the embodiment of the present invention.

Fig. 13 is a schematic view of the sectional structure III-III in fig. 12.

Fig. 14 is a front view structure diagram of the core pressing hook according to the embodiment of the present invention.

Fig. 15 is a schematic view of the sectional structure II-II in fig. 14.

Fig. 16 is a schematic front view of the core crane according to the embodiment of the present invention.

Fig. 17 is a front view structural diagram of the lifting device according to the embodiment of the present invention.

Fig. 18 is a schematic bottom view of the lifting device according to the embodiment of the present invention.

Fig. 19 is a front view structure diagram of the core mounting device according to the embodiment of the present invention.

Fig. 20 is a schematic view of the sectional structure IV-IV of fig. 19.

Fig. 21 is a schematic top view of the core mounting device according to the embodiment of the present invention.

Fig. 22 is a schematic view of the V-V sectional structure of fig. 21.

Fig. 23 is a schematic view of the cross-sectional structure VI-VI in fig. 22.

Fig. 24 is a schematic view of an assembly structure of the core clamping mechanism and the core pressing mechanism according to the embodiment of the present invention.

Fig. 25 is a front view structural schematic diagram of the tube drawing bench according to the embodiment of the present invention.

Fig. 26 is an enlarged schematic view of the XII section in fig. 25.

Fig. 27 is a front view structural diagram of the driving riding wheel device according to the embodiment of the present invention.

Fig. 28 is a schematic cross-sectional view of an active riding wheel device according to an embodiment of the present invention.

Fig. 29 is a schematic top view of the active riding wheel device according to the embodiment of the present invention.

Fig. 30 is a schematic cross-sectional structure view of an active frame according to an embodiment of the present invention.

Fig. 31 is a front view structural diagram of a driven idler device according to an embodiment of the present invention.

Fig. 32 is a schematic sectional view of a driven idler device according to an embodiment of the present invention.

Fig. 33 is a schematic top view of the driven idler device according to the embodiment of the present invention.

Fig. 34 is a schematic sectional structure view of a driven frame according to an embodiment of the present invention.

Fig. 35 is a schematic front view of the tube drawing cart according to the embodiment of the present invention.

Fig. 36 is an enlarged view of section VII in fig. 35.

Fig. 37 is a left side view structure diagram of the pipe drawing cart according to the embodiment of the present invention.

Fig. 38 is a right-side view structural schematic diagram of the tube drawing trolley according to the embodiment of the present invention.

Fig. 39 is a schematic top view of the tube drawing cart according to the embodiment of the present invention.

Fig. 40 is a front view structural schematic diagram of the pipe pulling power device according to the embodiment of the present invention.

Fig. 41 is an enlarged schematic view of section VIII in fig. 40.

Fig. 42 is a schematic top view of the pipe-pulling power device according to the embodiment of the present invention.

Fig. 43 is an enlarged schematic view of part IX in fig. 42.

Fig. 44 is a front view structure diagram of the tube drawing pliers according to the embodiment of the present invention.

Fig. 45 is a schematic view of the cross-sectional structure X-X of fig. 44.

Fig. 46 is an enlarged schematic view of section XI in fig. 44.

Fig. 47 is a left side view structure diagram of the tube drawing pliers according to the embodiment of the present invention.

Fig. 48 is a schematic front view of the core overturning machine according to the embodiment of the present invention.

FIG. 49 is a schematic view of the cross-sectional structure of XIII-XIII in FIG. 48.

Fig. 50 is an enlarged view of the XIV portion in fig. 49.

Fig. 51 is a schematic top view of a core flipping machine according to an embodiment of the present invention.

Fig. 52 is a front view schematic diagram of a protective cover assembly according to an embodiment of the present invention.

Fig. 53 is a schematic view of the structure of the section XV-XV in fig. 52.

Fig. 54 is an enlarged schematic view of the portion XVI in fig. 53.

Fig. 55 is a schematic front view of the dust removing assembly according to the embodiment of the present invention.

Fig. 56 is a schematic top view of a dust removing assembly according to an embodiment of the present invention.

Fig. 57 is a schematic front view of a coating system according to an embodiment of the present invention.

Fig. 58 is a left side view schematic diagram of a coating system according to an embodiment of the present invention.

Fig. 59 is a schematic top view of a coating system according to an embodiment of the present invention.

Fig. 60 is a schematic front view structure diagram of a pipe holding crown block according to an embodiment of the present invention.

Fig. 61 is an enlarged schematic view of the XVII portion in fig. 60.

Fig. 62 is a left side view structure diagram of the pipe holding crown block of the embodiment of the present invention.

Fig. 63 is a schematic top view of a pipe holding crown block according to an embodiment of the present invention.

Fig. 64 is an enlarged schematic view of the portion XVIII in fig. 63.

Fig. 65 is a schematic structural view of a closed state of the pipe embracing device according to an embodiment of the present invention.

Fig. 66 is a structural schematic view of the pipe embracing apparatus according to the embodiment of the present invention in an opened state.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 66, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the disclosure of the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.

The hot die centrifugal tube casting machine in the embodiment (see fig. 1 and 2) comprises a pouring spraying device R, a centrifugal host machine S, a core overturning machine M, a core feeding travelling crane T, a tube drawing machine U, a tube holding crown block V, a dust removal device N, a coating system O and a cooling system for cooling a tube die, wherein the pouring spraying device R is matched with the centrifugal host machine S, the core overturning machine M is matched with the core feeding travelling crane T, the core feeding travelling crane T and the tube drawing machine U are both matched with the centrifugal host machine S, the tube holding crown block V is matched with the tube drawing machine U, the dust removal device N is matched with the centrifugal host machine S, and the coating system O is matched with the pouring spraying device R.

The pouring and spraying equipment R (see figures 3-9) in the embodiment comprises a pouring trolley A, a spraying trolley B and a traversing trolley C, wherein the pouring trolley A and the spraying trolley B are arranged on the traversing trolley C, the traversing trolley C comprises a left traversing trolley body C1, a right traversing trolley body C2, a left traversing oil cylinder C3, a right traversing oil cylinder C4, a traversing pulley C5, a traversing sliding rail C6 and a spraying and pouring sliding rail C7, the pouring trolley A is arranged on the left traversing trolley body C1, the spraying trolley B is arranged on the right traversing trolley body C2, the left traversing oil cylinder C3 is connected with the left traversing trolley body C1, the right traversing oil cylinder C4 is connected with the right traversing trolley body C2, the left traversing trolley body C1 and the right traversing trolley body C2 are both provided with a traversing pulley C5, and the traversing pulley C5 is arranged on the traversing sliding rail C6.

The pouring trolley A in the embodiment comprises a pouring trolley body A1, a pouring ladle bracket A2, a pouring ladle A3, a drop groove A4, a flow groove A5, a flow groove bracket A6, a pouring ladle oil cylinder A9, an inoculant adding device A7 for adding inoculant into the drop groove A4, a pipe die powder spraying device, a powder spraying pipe A8, a pouring pulley A90 and a pouring slide rail A901.

The ladle bracket A2 and the runner bracket A6 in the embodiment are both installed on a ladle car body A1, a ladle A3 is installed on a ladle bracket A2, a ladle A3 is arranged in a fan-shaped structure, a cylinder barrel of a ladle oil cylinder A9 is hinged with the ladle car body A1, and a piston rod of the ladle oil cylinder A9 is hinged with a ladle A3.

The runner A5 in the embodiment is installed on a runner bracket A6, the runner A5 is obliquely arranged, a drop groove A4 is connected with the runner A5, a casting ladle A3 is arranged behind the drop groove A4, the casting ladle A3 is matched with the drop groove A4, an inoculant adding device A7 is positioned above the drop groove A4, a pipe die powder spraying device is connected with a powder spraying pipe A8, and the powder spraying pipe A8 is installed on the runner A5 and the runner bracket A6.

The inoculant adding device A7 in the embodiment comprises an inoculant hopper A71, an inoculant conveyor A72 and an inoculant material pipe A73, wherein the inoculant hopper A71 is connected with the inoculant conveyor A72, the inoculant conveyor A72 is connected with the inoculant material pipe A73, and the inoculant material pipe A73 is positioned above a drop groove A4.

The pouring pulley A90 in the embodiment is installed on a pouring vehicle body A1, the pouring slide rail A901 is installed on a left transverse vehicle body C1, the pouring pulley A90 is installed on the pouring slide rail A901, and the pouring slide rail A901 is in butt joint with a spraying and pouring slide rail C7.

The pouring trolley A is suitable for pouring when a large pipe fitting with the pipe diameter of more than 1200mm is machined, the runner A5 is close to a pipe die through the movement of the pouring trolley, the runner A5 is inserted into the socket end of the pipe die and drives the pouring ladle A3 to rotate through the pouring ladle oil cylinder A9, so that molten iron in the pouring ladle A3 flows into the dropping groove A4 and flows into the pipe die through the runner A5, sufficient molten iron is guaranteed to be poured by adopting the small pouring fleet pipe fitting, and meanwhile, an inoculant can be added into the dropping groove A4 through the inoculant adding device A7 to guarantee the quality of the pipe fitting.

The spraying trolley for the centrifugal pipe casting machine in the embodiment comprises a spraying trolley body B1, a spraying rod B2, a paint bucket B3, a transmission device B4, a cleaning device B5, a spraying device B6, a spraying pulley B8 and a spraying slide rail B9, wherein the spraying rod B2 and the paint bucket B3 are both installed on the spraying trolley body B1, the cleaning device B5 and the transmission device B4 are both installed on the spraying rod B2, the cleaning device B5 is connected with the transmission device B4, the spraying device B6 is installed on the cleaning device B5, the spraying device B6 is connected with the paint bucket B3, and the spraying device B6 is connected with the paint bucket B3 through a pipeline system B7.

The transmission device B4 in the embodiment comprises a transmission motor B41 and a transmission shaft B42, wherein the transmission motor B41 is installed on a spraying rod B2, one end of the transmission shaft B42 is connected with a transmission motor B41, the other end of the transmission shaft B42 is connected with a cleaning device B5, and a transmission shaft B42 is a universal joint transmission shaft.

Cleaning device B5 in this embodiment includes cleaning support B51, cleaning cylinder B52, cleaning base B53, cleaning swing arm B54 and cleaning wire wheel B55, cleaning support B51 is installed on spraying rod B2, cleaning cylinder B52 and cleaning base B53 are all installed on cleaning support B51, cleaning swing arm B54 is connected with cleaning base B53, cleaning wire wheel B55 is installed on cleaning swing arm B54, cleaning cylinder B52 is hinged with cleaning swing arm B54, and cleaning wire wheel B55 is connected with transmission device B4.

The spraying device B6 in this embodiment includes a spraying bracket B61 and a spraying nozzle B62, the spraying bracket B61 is mounted on the cleaning device B5, the spraying nozzle B62 is mounted on the spraying bracket B61, the spraying nozzle B62 is connected to the paint bucket B3, the number of the spraying nozzles B62 is plural, and the plurality of spraying nozzles B62 are all mounted on the spraying bracket B61.

The pipeline system B7 in this embodiment includes a first three-way pneumatic ball valve B71, a second three-way pneumatic ball valve B72, a pneumatic diaphragm pump B73, and a two-way pneumatic ball valve B74, the first three-way pneumatic ball valve B71 is provided with a first three-way pneumatic ball valve interface B711, a second three-way pneumatic ball valve interface B712, and a third three-way pneumatic ball valve interface B713, and the second three-way pneumatic ball valve B72 is provided with a first three-way pneumatic ball valve interface B721, a second three-way pneumatic ball valve interface B722, and a third three-way pneumatic ball valve interface B723.

In this embodiment, a first connector B711 of a three-way pneumatic ball valve is connected with a pipeline connecting a pneumatic diaphragm pump B73 and a second connector B722 of a three-way pneumatic ball valve, a second connector B712 of the three-way pneumatic ball valve is connected with a paint bucket B3, a third connector B713 of the three-way pneumatic ball valve is connected with a pneumatic diaphragm pump B73, a first connector B721 of the three-way pneumatic ball valve is connected with a paint bucket B3, a second connector B722 of the three-way pneumatic ball valve is connected with a pneumatic diaphragm pump B73, a third connector B723 of the three-way pneumatic ball valve is connected with a spraying device B6, and a second connector B74 of the three-way pneumatic ball valve is connected with a pipeline connecting the spraying device B6 and the third connector B723 of the three-way pneumatic ball valve.

In this embodiment, spraying is performed when the second interface B712 of the first three-way pneumatic ball valve is communicated with the first interface B711 of the first three-way pneumatic ball valve and the second interface B722 of the second three-way pneumatic ball valve is communicated with the third interface B723 of the second three-way pneumatic ball valve, and circulation is performed when the second interface B712 of the first three-way pneumatic ball valve is communicated with the third interface B713 of the first three-way pneumatic ball valve and the second interface B722 of the second three-way pneumatic ball valve is communicated with the first interface B721 of the second three-way pneumatic ball valve.

The spraying pulley B8 in the embodiment is installed on a spraying vehicle body B1, the spraying slide rail B9 is installed on a right traverse vehicle body C2, the spraying pulley B8 is installed on a spraying slide rail B9, and the spraying slide rail B9 is butted with a spraying pouring slide rail C7.

This spraying dolly B can realize the automatic clearance to the pipe die inner wall, reduce human cost's input, safety factor has been improved, remove to the pipe die direction through spraying automobile body B1, make spraying pole B2 insert in the pipe die, clean wire wheel B55 through driving motor B41 control and rotate, clean swing arm B54 swing through cleaning cylinder B52 drive simultaneously, make and clean wire wheel B55 and pipe die inner wall contact, the realization is to the clearance of pipe die inner wall, the coating spraying in rethread spraying nozzle B62 with scribbling storage bucket B3 is to the pipe die inner wall.

The casting trolley and the spraying trolley can be centralized into one device through the traversing trolley C, a piston rod of the left traversing oil cylinder C3 is retracted, a piston rod of the right traversing oil cylinder C4 extends out at the same time, so that the casting slide rail A901 is in butt joint with the spraying casting slide rail C7, the casting pulley A90 moves on the casting slide rail A901 and the spraying casting slide rail C7, the casting trolley A moves to the socket end of the pipe die to realize the casting of the pipe die, the piston rod of the left traversing oil cylinder C3 extends out, the piston rod of the right traversing oil cylinder C4 is retracted at the same time, the spraying slide rail B9 is in butt joint with the spraying casting slide rail C7, the spraying pulley B8 moves on the spraying slide rail B9, the spraying slide rail C7 moves to the socket end of the pipe die through the spraying trolley B, and the spraying of the.

The centrifugal main machine S (see fig. 10-15) in the embodiment comprises a main machine base E1, a lubricating device E4, a riding wheel device E2 which has a supporting effect on the pipe die and drives the pipe die to rotate, and a wheel blocking device E3 which is used for limiting the pipe die to move along the axis of the pipe die in the rotating process, wherein the riding wheel device E2 and the wheel blocking device E3 are both installed on the main machine base E1, and the riding wheel device E2 is matched with the wheel blocking device E3.

The riding wheel device E2 in the embodiment comprises a riding wheel base E21, a riding wheel body E22 and a riding wheel driving motor E23, wherein the riding wheel base E21 is installed on a main machine base E1, a riding wheel body E22 is installed on a riding wheel base E21, the riding wheel driving motor E23 is connected with a riding wheel body E22, and the riding wheel body E22 is in contact with the outer wall of a pipe die; the riding wheel base E21 is of a one-piece structure.

The catch wheel device E3 in the embodiment comprises a catch wheel base E31 and a catch wheel body E32, wherein the catch wheel base E31 is installed on a main machine base E1, a catch wheel body E32 is installed on a catch wheel base E31, a pipe die limiting groove E33 is installed at the socket end of a pipe die, and the catch wheel body E32 is located in the pipe die limiting groove E33.

This centrifugal host computer uses when being applicable to the pipe fitting that adopts hot mould method processing pipe diameter to be more than 1200mm, left and right two riding wheel base E21 formula shaping structure as an organic whole in this centrifugal host computer, confirm in advance according to the size of pipe diameter that the distance between left and right two riding wheel base E21, can install corresponding riding wheel base E21 on host computer base E1 when needing to change the pipe die can, do not need to change the pipe die at every turn before the adjustment left, the distance between two riding wheel base E21 on the right side, when driving the pipe die through riding wheel body E22 and rotating, keep off wheel body E32 and inlay pipe die spacing groove E33, in order to prevent the pipe die at the rotation in-process, the pipe die removes along its axis direction, reduce the error, guarantee the pipe fitting quality, the input of human cost has been reduced simultaneously, and work efficiency is improved.

The female end of the pipe die in this embodiment is installed and is used for pressing the pressure core hook D that the psammitolite compressed tightly, and pressure core hook D includes hook seat D1, coupler body D2, canceling release mechanical system D3 and fixed pin D4, and the female end at the pipe die is installed to hook seat D1, and coupler body D2 installs on hook seat D1 through fixed pin D4, and canceling release mechanical system D3's one end is rotated with coupler body D2 and is connected, and canceling release mechanical system D3's the other end is rotated with hook seat D1 and is connected.

The reset mechanism D3 in this embodiment includes a spring outer sleeve D31, a spring inner sleeve D32, a reset spring D33, an outer sleeve pin D34 and an inner sleeve pin D35, the spring outer sleeve D31 is rotatably connected with the hook body D2, the spring outer sleeve D31 is mounted on the hook body D2 through an outer sleeve pin D34 in normal cases, the spring inner sleeve D32 is rotatably connected with the hook base D1, in normal cases, the spring inner sleeve D32 is mounted on the hook base D1 through an inner sleeve pin D35, the reset spring D33 is sleeved on the spring inner sleeve D32, and the spring outer sleeve D31 is sleeved on the reset spring D33; one end of the return spring D33 is abutted against the spring outer sleeve D31, and the other end of the return spring D33 is abutted against the spring inner sleeve D32.

The hook body D2 in the embodiment comprises a hook body head D21, a hook body seat D22 and a hook body rod D23, wherein the hook body head D21 and the hook body seat D22 are respectively fixed at two ends of the hook body rod D23; the hook body rod D23 is installed on the hook seat D1 through a fixed pin shaft D4; one end of the reset mechanism D3 is rotationally connected with the hook body seat D22; the hook head D21 is arranged in a circular arc structure; the hook body D2 is symmetrically arranged on two sides.

This pressure core hook D is to install the female end at the pipe die with hook seat D1, place the psammitolite at the female end of pipe die, pour the back to the socket end pouring molten iron of pipe die, because the weight in hook body seat D22 is greater than the weight of hook body head D21, high-speed rotation through the pipe die, make hook body pole D23 rotate along fixed pin axle D4, make hook body head D21 and psammitolite pass through the contact of pressure core plate under the effect of centrifugal force, hook body head D21 is tighter with the psammitolite pressure when pipe die pivoted speed is faster, hook body head D21 that is the circular arc setting conveniently places the psammitolite at the female end of pipe die.

The core-loading traveling crane T (see fig. 16-24) in this embodiment includes a core-loading device F, a lifting device G, and a traveling trolley G5, wherein the core-loading device F is installed on the lifting device G, the lifting device G includes a lifting outer sleeve G1, a lifting inner cylinder G2, a lifting driving mechanism G3, a lifting limiting mechanism G4, and a lifting support G6, the lifting driving mechanism G3 is installed on the lifting outer sleeve G1, the lifting driving mechanism G3 is connected with the lifting inner cylinder G2, and the lifting outer sleeve G1 is sleeved on the lifting inner cylinder G2 through the lifting limiting mechanism G4.

In the embodiment, a lifting outer sleeve G1 is sleeved on a lifting inner cylinder G2, a core feeding device F is arranged on the lifting inner cylinder G2, a lifting outer sleeve G1 is arranged on a lifting support G6, and a lifting support G6 is arranged on a movable trolley G5.

The lifting driving mechanism G3 in this embodiment includes a lifting base G31, a lifting motor G32 and a screw nut G33, the lifting base G31 is installed on a lifting outer sleeve G1, the lifting motor G32 is installed on the lifting base G31, and the lifting motor G32 is connected with a lifting inner cylinder G2 through the screw nut G33.

Lifting limiting mechanism G4 in this embodiment includes spacing guide rail G41 and spacing flat key G42, spacing guide rail G41 is installed on lift overcoat G1, spacing flat key G42 is installed on lift inner tube G2, spacing guide rail G41 and the cooperation of spacing flat key G42, spacing guide rail G41's quantity is two, two spacing guide rails G41 are all installed on lift overcoat G1, spacing flat key G42 is installed between two spacing guide rails G41, spacing guide rail G41 is L type structure setting.

The core feeding device F in this embodiment includes a guide mechanism F1, a moving mechanism F2, a swinging mechanism F3, a core clamping mechanism F4, and a core pressing mechanism F5, the moving mechanism F2 is installed on the guide mechanism F1, the swinging mechanism F3 and the core clamping mechanism F4 are both installed on the moving mechanism F2, the swinging mechanism F3 is connected with the core clamping mechanism F4, the core pressing mechanism F5 is matched with the core clamping mechanism F4, and the guide mechanism F1 is installed on the lifting inner cylinder G2.

The guide mechanism F1 in this embodiment includes a guide sleeve F11, a guide pulley F12, a guide slide rail F13, a guide cylinder F14, and a guide riding wheel F15, generally, a guide sleeve F11 is mounted on the lifting inner cylinder G2, a guide sleeve F11 is sleeved on the moving mechanism F2, generally, a guide sleeve F11 is sleeved on the moving sleeve F21, a guide pulley F12 is mounted on the guide sleeve F11, a guide slide rail F13 is mounted on the moving mechanism F2, generally, a guide slide rail F13 is mounted on the moving sleeve F21, a guide pulley F12 is mounted on the guide slide rail F13, a piston rod of the guide cylinder F14 is connected to the moving mechanism F2, generally, a piston rod of the guide cylinder F14 is connected to the moving base F22, a cylinder barrel of the guide cylinder F14 is connected to the guide sleeve F11, the guide riding wheel F15 is mounted on the guide sleeve F11, and the guide riding wheel F15 is in contact with the moving mechanism F2.

The moving mechanism F2 in this embodiment includes a moving sleeve F21 and a moving base F22, the moving sleeve F21 is fixed with the moving base F22, the moving sleeve F21 is mounted on a guide mechanism F1, and the moving sleeve F21 is normally mounted on the guide sleeve F11.

The swing mechanism F3 in this embodiment includes a swing main shaft F31, a swing arm F32, and a swing oil cylinder F33, the swing main shaft F31 is mounted on the moving mechanism F2, the swing main shaft F31 is mounted on the moving sleeve F21 in the normal case, one end of the swing main shaft F31 is connected to the core clamping mechanism F4, one end of the swing main shaft F31 is connected to the sandwich balance F43 in the normal case, the other end of the swing main shaft F31 is connected to the swing arm F32, the piston rod of the swing oil cylinder F33 is connected to the swing arm F32, the cylinder of the swing oil cylinder F33 is connected to the moving mechanism F2, and the cylinder of the swing oil cylinder F33 is connected to the moving sleeve F21 in the normal case.

The core mechanism F4 in the present embodiment includes a front sandwich panel F4, a rear sandwich panel F4, a sandwich balance F4, a sandwich link F4, a sandwich swing arm F4 and a sandwich roller F4, the front sandwich panel F4 is connected to the rear sandwich panel F4, the rear sandwich panel F4 is mounted on the moving mechanism F4, the rear sandwich panel F4 is mounted on the moving base F4 in a normal case, the sandwich balance F4 is located between the front sandwich panel F4 and the rear sandwich panel F4, the sandwich balance F4 is connected to the swinging mechanism F4, the sandwich balance F4 is connected to the swinging main shaft F4 in a normal case, one end of the sandwich link F4 is connected to the sandwich swing arm F4, the other end of the link F4 is connected to the sandwich swing arm F4, the swing arm F4 is rotatably mounted on the front sandwich panel F4 and the rear sandwich swing roller F4, the sandwich swing arm F4 is in a normal case, the sandwich swing roller F4 is in contact with the sandwich swing roller F4 and the sandwich swing roller F4 in a normal case, the front sandwich panel F41 has a carrier panel F47 mounted thereon.

The core pressing mechanism F5 in the embodiment comprises a core pressing buckle plate F51, a core pressing rolling ring F52 and a core pressing ring F53, wherein the core pressing buckle plate F51 is installed on a core pressing rolling ring F52, the core pressing rolling ring F52 is matched with the core clamping mechanism F4, the core pressing rolling ring F52 is installed on a core clamping roller F46, and the core pressing rolling ring F53 is installed on a core pressing buckle plate F51.

Can realize going up the core to the automation of pipe die through this go up core driving, reduce human cost's input, work efficiency and factor of safety have been improved, specifically drive elevating gear G horizontal migration through travelling car G5, remove elevating gear G and last core device F to suitable position, drive the vertical removal of last core device F through elevating gear G, will go up core device F to suitable position, drive screw-nut G33 through elevator motor G32 and rotate, drive lift inner tube G2 and reciprocate, make the axis of psammitolite and the axis coincidence of pipe die.

The sand core is placed on a core supporting plate F47, a movable sleeve F21 is driven by a guide oil cylinder F14 to move to the female end of the pipe die along a guide pulley F12 and a guide slide rail F13, the sand core is placed at the female end of the pipe die, after the installation of the sand core is completed, a swing main shaft F31 is driven by a swing oil cylinder F33 to swing, a sandwich balance wheel F43 is driven to swing, a sandwich connecting rod F44 is controlled to fold a sandwich roller F46, the sandwich roller F46 is separated from a core pressing rolling ring F52, the sand core and a core pressing buckle plate F51 are left at the female end of the pipe die together, the core pressing buckle plate F51 is pressed through a core pressing hook, the sand core is pressed at the female end of the pipe die, and a core pressing mechanism F5 rotates along with the pipe die while the pipe die rotates.

The tube drawing machine U in this embodiment (see fig. 25-47) includes a tube receiving idler assembly H, a tube drawing trolley I, a tube drawing power device J, a tube drawing clamp K tube drawing positioning device L1, the tube drawing clamp K is installed on the tube drawing trolley I, the tube drawing trolley I is connected with the tube drawing power device J, the tube receiving idler assembly H is matched with the tube drawing trolley I, the tube drawing positioning device L1 includes a positioning oil cylinder L2 and a positioning top block L3, the cylinder of the positioning oil cylinder L2 and the positioning top block L3 are both installed on a tube drawing rack J1, the piston rod of the positioning oil cylinder L2 is connected with the positioning top block L3, and the positioning top block L3 is in contact with the tube receiving idler assembly H.

The tube drawing power device J in the embodiment comprises a tube drawing machine frame J1, a tube drawing power machine frame J2, a tube drawing power mechanism J3, a tube drawing limiting mechanism J4 and a tube drawing sliding rail J6, wherein the tube drawing power machine frame J2, the tube drawing limiting mechanism J4 and the tube drawing sliding rail J6 are all installed on the tube drawing machine frame J1; the pipe receiving carrier wheel assembly H and the pipe drawing trolley I are both arranged on a pipe drawing slide rail J6, and the pipe drawing trolley I is connected with a pipe drawing power mechanism J3.

The tube drawing power mechanism J3 in the embodiment comprises a tube drawing motor J31, a tube drawing speed reducer J32, a tube drawing driving sprocket J33, a tube drawing driven sprocket J34, a ring chain buckle J35, a tube drawing steel wire wheel J36 and a tube drawing steel wire rope J37, the tube drawing motor J31 and the tube drawing speed reducer J32 are both installed on a tube drawing power rack J2, the tube drawing motor J31 is connected with the tube drawing speed reducer J32, the tube drawing driving sprocket J33 is installed on the tube drawing speed reducer J32, the tube drawing driven sprocket J34 and the tube drawing steel wire wheel J36 are both installed on the tube drawing rack J1, the tube drawing driving sprocket J33 and the tube drawing driven sprocket J34 are both matched with the ring chain buckle J35, the tube drawing steel wire wheel J36 is matched with the tube drawing steel wire rope J37, and the ring chain buckle J35 is connected with the tube drawing steel wire rope J37.

The number of the tube drawing limiting mechanisms J4 in the embodiment is two, and the two tube drawing limiting mechanisms J4 are arranged in front and at the back; the tube drawing limiting mechanism J4 comprises a limiting oil cylinder J41, a limiting jacking block J42, a limiting swing arm J43 and a limiting base J44, a cylinder barrel of the limiting oil cylinder J41 and the limiting base J44 are both mounted on a tube drawing rack J1, one end of the limiting swing arm J43 is mounted on a limiting base J44, the other end of the limiting swing arm J43 is connected with a piston rod of the limiting oil cylinder J41, and the limiting jacking block J42 is mounted on a limiting swing arm J43; the limiting top block J42 is arranged in a triangular structure.

In the embodiment, a pipe drawing steel wire rope J37 bypasses a trolley driving steel wire wheel J7, a trolley driving steel wire wheel J7 is installed on a trolley driving steel wire wheel seat J8, a chain link J35 bypasses a trolley driving chain sprocket J9, and a trolley driving chain sprocket J9 is installed on a trolley driving chain sprocket seat J90; the trolley driving chain sprocket J9 and the trolley driving chain sprocket seat J90 are both arranged on the tube drawing trolley I.

The ring chain fastener J35 in the embodiment is connected with a pipe drawing steel wire rope J37 through a pipe adjusting mechanism J5; pipe adjustment mechanism J5 includes steel wire adjusting bolt J51, chain link adjusting bolt J52 and adjusting pull rod J53, and steel wire adjusting bolt J51 is connected with tube drawing wire rope J37, and chain link adjusting bolt J52 is connected with round chain link J35, and steel wire adjusting bolt J51 and chain link adjusting bolt J52 are connected with the both ends of adjusting pull rod J53 respectively.

The tube drawing rack J1 in the embodiment comprises a front tube drawing rack J11, a middle tube drawing rack J12 and a rear tube drawing rack J13, wherein the front tube drawing rack J11, the middle tube drawing rack J12 and the rear tube drawing rack J13 are sequentially connected, a tube drawing limiting mechanism J4 is installed on the front tube drawing rack J11, and a tube drawing power rack J2 is installed on the rear tube drawing rack J13; the tube drawing driven chain wheel J34 is mounted on the rear tube drawing frame J13, and the tube drawing steel wire wheel J36 is mounted on the front tube drawing frame J11.

The pipe drawing power device J can provide power for pipe drawing, meanwhile, the pipe drawing limiting mechanism J4 can limit the riding wheel assemblies in the pipe drawing process, the riding wheel assemblies cannot slide on the rail randomly, two groups of riding wheel assemblies arranged in front and back are not connected in the specific pipe drawing process, the pipe drawing motor J31 drives the pipe drawing speed reducer J32 to rotate forwards or reversely, so that the pipe drawing trolley moves forwards or backwards, the two groups of riding wheel assemblies are respectively blocked by the two pipe drawing limiting mechanisms J4 to move, after a pipe fitting is drawn out by a certain length, the limiting oil cylinder J41 close to the back pipe drawing rack J13 drives the limiting swing arm J43 to swing, the limiting top block J42 is enabled to release the riding wheel assemblies close to the back pipe drawing rack J13, after the pipe fitting continues to be drawn out by a certain length, the limiting oil cylinder J41 close to the front pipe drawing rack J11 drives the limiting swing arm J43 to swing, and the limiting top block J42 releases the riding wheel assemblies close to the back pipe drawing rack J13, the pipe fitting can be pulled out, and the tensioning adjustment can be performed on the ring chain buckle J35 and the pipe drawing steel wire rope J37 through adjusting the adjusting pull rod J53 after the pipe fitting works for a period of time.

The tube drawing trolley I in the embodiment comprises a trolley frame I1, trolley wheels I2, a tube drawing arm assembly I3 and a tube drawing arm lifting device I4, wherein the trolley wheels I2 and the tube drawing arm lifting device I4 are both installed on the trolley frame I1, and the tube drawing arm assembly I3 is installed on the tube drawing arm lifting device I4; the trolley wheel I2 is arranged on a tube drawing slide rail J6, the trolley frame I1 is connected with a tube drawing power mechanism J3, and the tube drawing pliers K are arranged on a tube drawing arm component I3; the weight box I5 is arranged on the trolley frame I1.

The tube drawing arm assembly I3 in the embodiment comprises a tube drawing arm support I31, a tube drawing arm supporting wheel I32, a tube drawing arm body I33, a tube drawing arm driving mechanism I34, a forceps head connecting rod I35 and a connecting rod driving mechanism I36, wherein the tube drawing arm support I31 is installed on a tube drawing arm lifting device I4, a tube drawing arm supporting wheel I32 is installed on the tube drawing arm support I31, the tube drawing arm body I33 is erected on the tube drawing arm supporting wheel I32, one end of the tube drawing arm body I33 is connected with the tube drawing arm driving mechanism I34, the forceps head connecting rod I35 is installed on the tube drawing arm body I33, and the forceps head connecting rod I35 is connected with the connecting rod driving mechanism I36; the tube drawing pliers K are arranged on the tube drawing arm body I33 and are connected with the pliers head connecting rod I35; the other end of the tube drawing arm body I33 is fixed with a forceps head connecting disc I37, and a tube drawing forceps K is arranged on the forceps head connecting disc I37; one end of the tube drawing arm body I33 is matched with the tube drawing arm brake disc I38; the number of the tube drawing arm brake discs I38 is two, and the two tube drawing arm brake discs I38 are respectively positioned at two sides of the tube drawing arm body I33.

The connecting rod driving mechanism I36 in this embodiment includes a connecting rod I361, a connecting rod seat I362, a connecting main shaft I363, a connecting main shaft seat I364 and a connecting rod driving cylinder I365, the binding clip connecting rod I35 is connected with the connecting rod I361, the connecting rod I361 is installed on the connecting rod seat I362, the connecting rod seat I362 is installed on a tube drawing arm support I31, the connecting rod I361 is connected with the connecting main shaft I363, the connecting main shaft I363 is installed on the connecting main shaft seat I364, the connecting main shaft seat I364 is connected with a piston rod of the connecting rod driving cylinder I365, and a cylinder barrel of the connecting rod driving cylinder I365 is installed on the tube drawing arm support I31.

The tube drawing arm driving mechanism I34 in the embodiment comprises a tube drawing arm driving motor I341, the tube drawing arm driving motor I341 is installed on a tube drawing arm support I31, and the tube drawing arm driving motor I341 is connected with one end of a tube drawing arm body I33 through a chain and a chain wheel.

The tube drawing arm lifting device I4 in the embodiment comprises a tube drawing arm lifting motor I41 and a tube drawing arm lead screw lifter I42, wherein the tube drawing arm lifting motor I41 is connected with the tube drawing arm lead screw lifter I42, and a tube drawing arm component I3 is arranged on the tube drawing arm lead screw lifter I42; the number of the tube drawing arm screw rod elevators I42 is four, the four tube drawing arm screw rod elevators I42 are symmetrically distributed, and the four tube drawing arm screw rod elevators I42 are connected with a tube drawing arm lifting motor I41.

When the pipe fitting is pulled out from the centrifugal host machine through the pipe drawing trolley I, the pipe fitting can be driven to rotate, the situation that the pipe fitting is elliptical is avoided, specifically, the trolley frame I1 moves to the female end of a pipe die and tightly supports the female end of the pipe fitting through a pipe drawing clamp, the trolley frame I1 drives the pipe fitting to move to pull out the pipe fitting from the pipe die under the movement of trolley wheels I2, the pipe drawing arm body I33 is controlled to rotate through a pipe drawing arm driving motor I341 in the pipe drawing process, the rotation of the pipe fitting is further realized, the connecting rod driving oil cylinder I365 controls the connecting pull rod I361, the opening and closing state of the tong head is further controlled through the tong head connecting rod I35, the pipe fitting rotates on the connecting main shaft base I364 in the rotation process, and the tong head connecting rod I35 can move along the axial direction of the tong head connecting rod I35 and the tong head connecting rod I35 rotates along the axial direction of the tong head connecting rod I35.

The tube drawing pliers K in the embodiment comprises a tube drawing pliers seat K1, a tube drawing pliers arm K2, a tube drawing pliers head K3, a tube drawing nail K4, a core breaking nail K5, a core breaking plate K6, a pliers arm hinge seat K7, a pliers arm driving arm K8, a pliers arm driving disk K9, a pliers arm driving shaft K90, a pliers opening fixing seat K901, a pliers opening K902 and a balancing block K903.

One end of a tube drawing forceps arm K2 in the embodiment is connected with a tube drawing forceps seat K1, generally, a forceps arm hinge seat K7 is installed on a tube drawing forceps seat K1, one end of the tube drawing forceps arm K2 is connected with a forceps arm hinge seat K7, a tube drawing forceps head K3 is installed at the other end of the tube drawing forceps arm K2, a tube drawing nail K4 is installed on a tube drawing forceps head K3, the tube drawing forceps head K3 is connected with a forceps arm driving arm K8, the forceps arm driving arm K8 is connected with a forceps arm driving disk K9, a forceps arm driving disk K9 is connected with a forceps arm driving shaft K90, and the forceps arm driving shaft K90, a core breaking nail K5 and a core breaking plate K6 are all installed on a tube drawing forceps seat K1; the tube drawing forceps seat K1 is arranged on the tube drawing trolley I, the tube drawing forceps seat K1 is usually arranged on the forceps head connecting plate I37, and the forceps arm driving shaft K90 is connected with the forceps head connecting rod I35.

The jaw fixing seat K901 in the embodiment is arranged on a tube drawing jaw head K3, the jaw K902 is arranged on the jaw fixing seat K901, the tube drawing nail K4 is arranged on the jaw K902, and a gap is formed between the jaw K902 and the jaw fixing seat K901; counterbalance K903 is installed on keeping silent fixing base K901 and counterbalance K903 contacts with keeping silent K902, is provided with the arc structure on counterbalance K903, and the arc structure contacts with keeping silent K902.

The core breaking nail K5 and the core breaking plate K6 in the embodiment are arranged in a staggered way with the pipe drawing clamp arm K2; the pipe drawing forceps arms K2, the core breaking nails K5 and the core breaking plates K6 are all arranged in a circle; the number of the core breaking nails K5 is multiple, the height of the core breaking nails K5 is gradually increased from the female end to the female end of the pipe fitting along the axial direction of the pipe fitting, and the height of the core breaking plates K6 is gradually increased from the female end to the female end of the pipe fitting; the quantity of tube drawing nail K4 is a plurality of, and a plurality of tube drawing nails K4 all set up aslope.

The pipe drawing pliers K is suitable for drawing out a pipe fitting when a nodular cast iron pipe is machined by a hot die method, meanwhile, the sand core at the female end of the pipe fitting can be completely crushed by the staggered arrangement of the pipe drawing nails K4 and the core breaking nails K5, the workload is reduced, the investment of labor cost is reduced, the working efficiency is improved, particularly, during pipe drawing, the pipe drawing pliers are driven by the pipe drawing trolley to move towards the female end of the pipe fitting, the sand core at the female end of the pipe fitting can be scratched by the pipe drawing nails K4 and the core breaking nails K5, the core breaking function is realized, the pipe drawing pliers are driven by the pipe drawing trolley to continuously move, the clamp arm driving disk K9 is pulled by the clamp arm driving shaft K90, the clamp arm driving disk K8656 is pulled by the clamp arm driving disk K9, the pipe drawing pliers head K3 is opened by the pipe drawing pliers arm K2, the pipe fitting is supported and tightly by the pipe drawing pliers K903 which is driven by the pipe drawing nail K4 and is contacted with the inner wall of the pipe fitting, when the pipe drawing nail K4 is contacted with the inner wall of the pipe fitting, the, to extend its useful life.

The connecting pipe riding wheel assembly H for the centrifugal pipe casting machine comprises a riding wheel driving motor H5, a pull rod seat H6, a pull rod H7, a driving riding wheel device H1 and a driven riding wheel device H2, wherein the driving riding wheel device H1 is matched with the driven riding wheel device H2; the riding wheel driving motor H5 is connected with the driving riding wheel body H15, the pull rod seat H6 is installed at the bottom of the driving frame H11, and the pull rod H7 is connected with the pull rod seat H6.

The active riding wheel device H1 in this embodiment includes an active frame H11, an active wheel H12, an active riding wheel seat H13, an active riding wheel frame H14, an active riding wheel body H15 and an active swing oil cylinder H16, wherein the active wheel H12 and the active riding wheel seat H13 are both installed on the active frame H11, the active riding wheel frame H14 is installed on the active riding wheel seat H13, the active riding wheel body H15 is installed on the active riding wheel frame H14, the active swing oil cylinder H16 is installed on the active frame H11, the active swing oil cylinder H16 is connected with the active riding wheel frame H14, and the active wheel H12 is installed on a pipe drawing slide rail J6.

The driven riding wheel device H2 in the embodiment comprises a driven frame H21, a driven wheel H22, a driven riding wheel seat H23, a driven riding wheel frame H24, a driven riding wheel body H25 and a driven swing oil cylinder H26, wherein the driven wheel H22 and the driven riding wheel seat H23 are both installed on a driven frame H21, the driven riding wheel frame H24 is installed on a driven riding wheel seat H23, the driven riding wheel body H25 is installed on a driven riding wheel frame H24, the driven swing oil cylinder H26 is installed on a driven frame H21, the driven swing oil cylinder H26 is connected with the driven riding wheel frame H24, and the driven wheel H22 is all installed on a pipe drawing slide rail J6.

The driving frame H11 and the driven frame H21 in the embodiment are both provided with a stop block H3; rubber buffers H8 are arranged on the driving frame H11 and the driven frame H21; the driving frame H11 and the driven frame H21 are both provided with limit guide wheels H4, the number of the limit guide wheels H4 is two, the two limit guide wheels H4 are arranged up and down, and the limit guide wheels H4 are provided with semicircular annular grooves; the number of the driving riding wheel bodies H15 and the driven riding wheel bodies H25 is two, the two driving riding wheel bodies H15 and the driven riding wheel bodies H25 are symmetrically arranged respectively, and the driving frame H11 is matched with the driven frame H21.

The pipe fitting is pulled out from the centrifugal host machine through the connecting pipe riding wheel assembly H, the connecting pipe riding wheel assembly can drive the pipe fitting to rotate, the situation that the pipe fitting is elliptical is avoided, specifically, the pipe fitting is pulled out from the female end of a pipe die through a pipe drawing machine, after the pipe drawing machine moves to a certain distance, the driving riding wheel frame H14 is driven to swing through the driving swing oil cylinder H16, the driving riding wheel body H15 is made to be in contact with the outer wall of the pipe fitting, the pipe drawing machine continues to pull out the pipe fitting, after the pipe drawing machine moves to a certain distance, the driven riding wheel frame H24 is driven to swing through the driven swing oil cylinder H26, the driven riding wheel body H25 is made to be in contact with the outer wall of the pipe fitting, the pipe drawing machine continues to move, when the pipe fitting is not completely separated from the pipe die, the pipe fitting is driven to rotate by the power provided by the pipe drawing machine, after the male end of the pipe fitting is separated from the female end of, so that the driving riding wheel body H15 drives the pipe fitting to rotate, and the pipe fitting is prevented from being elliptical.

The pipe drawing machine can drive a pipe drawing arm body I33 to rotate through a pipe drawing arm driving motor I341 in the pipe drawing process, so that a pipe drawing clamp K drives a pipe fitting to rotate, a pipe drawing trolley I is driven to move through a pipe drawing power device J, the pipe fitting is drawn out from a pipe die through the pipe drawing clamp K arranged on the pipe drawing trolley I, the middle of a driving riding wheel device H1 and a driven riding wheel device H2 is not connected or flexibly connected in the pipe drawing process, after the pipe drawing trolley I draws the pipe fitting out for a certain distance, a driving swing oil cylinder H16 drives a driving riding wheel frame H14 to swing, so that a driving riding wheel body H15 is in contact with the outer wall of the pipe fitting, a positioning oil cylinder L2 in a pipe drawing positioning device L close to the pipe drawing trolley I drives a positioning jacking block L to rotate, the positioning jacking block H26 drives a driving riding wheel device H1 to release the pipe fitting, the pipe fitting continues to release the pipe fitting, after the pipe fitting is drawn out for a certain distance, the driven swing oil cylinder H26 drives the driven riding wheel H24 to swing, the pipe jacking wheel H463 to rotate, the pipe drawing wheel device H463 and the driving wheel 463 to move away from the driving wheel device H1, and the driving wheel device H465, and the pipe drawing trolley I, and the driving wheel device H465 rotate.

The core overturning machine M (see fig. 48-51) in the embodiment comprises a core overturning machine base M1, a turnover frame M2, a moving frame M3, an overturning driving mechanism M4 and a moving driving mechanism M5, wherein the turnover frame M2 is rotatably installed on the core overturning machine base M1, the moving frame M3 is slidably installed on the turnover frame M2, the overturning driving mechanism M4 is connected with the turnover frame M2, and the moving driving mechanism M5 is connected with the moving frame M3; the moving frame M3 is provided in a cross-shaped structure.

The turnover driving mechanism M4 in the embodiment comprises a turnover oil cylinder M41 and a turnover oil cylinder base M42, wherein the turnover oil cylinder M41 is connected with a turnover frame M2, and a turnover oil cylinder M41 is arranged on the turnover oil cylinder base M42; the moving driving mechanism M5 comprises a moving hand wheel M51 and a moving lifter M52, the moving lifter M52 is connected with a moving frame M3, and a moving hand wheel M51 is installed on a moving lifter M52.

The moving frame M3 in the embodiment is arranged on the roll-over stand M2 through a moving limiting mechanism M6; the movable limiting mechanism M6 comprises a limiting slide rail M61 and a limiting slide block M62, the limiting slide rail M61 is fixed on the roll-over stand M2, the limiting slide block M62 is installed on the movable stand M3, and the limiting slide block M62 is installed on the limiting slide rail M61; the limiting slide block M62 is arranged in a C-shaped structure.

The moving frame M3 in the embodiment is provided with a core turning cushion block M7, a core turning mandril M8 and a core turning rubber pad M9; when the roll-over stand M2 is in a vertical state, the core-turning cushion block M7 is positioned above the core-turning rubber pad M9; the core overturning mandril M8 is positioned in the middle of the movable frame M3.

The sand core can be turned into a vertical state from a horizontal state through the core overturning machine, the sand core is conveniently taken out by a core loading crane and placed at a socket end of a pipe die, the investment of labor cost is reduced, the working efficiency is improved, before the core loading crane takes cores, the sand core is placed on a horizontally arranged moving frame M3, a turnover frame M2 is driven to rotate through a turnover oil cylinder M41, the turnover frame M2 rotates 90 degrees, the sand core is in contact with a core overturning rubber pad M9 to increase the friction force, the sand core is converted into a vertical state from a horizontal placing state, an inner ring of the sand core in the vertical state is hung on a core overturning cushion block M7, and the sand core is taken out and placed at the socket end of the pipe die through the core loading crane; when the pipe die is replaced, the diameter of the sand core is changed, the moving hand wheel M51 drives the moving lifter M52 to move, the moving frame M3 moves on the overturning frame M2 through the limiting slide rail M61 and the limiting slide block M62, and the axis of the sand core is adjusted to be overlapped with the axis of the core overturning ejector rod M8.

The dedusting apparatus N in this embodiment (see fig. 52-56), includes a shroud assembly N1 and a dedusting assembly N2, with the dedusting assembly N2 mating with the female end of the shroud assembly N1.

The protective cover assembly N1 in the embodiment comprises a protective cover housing N11, a protective cover housing N12, protective cover wheels N13 and a cover body driving mechanism N14, wherein the protective cover wheels N13 are installed at the bottom of the protective cover housing N11, the protective cover housing N12 is installed on the protective cover housing N11, the cover body driving mechanism N14 is connected with the protective cover housing N12, the protective cover housing N11 is arranged in a door-shaped structure, and the protective cover wheels N13 are installed on a guide rail of the protective cover wheels.

The cover driving mechanism N14 in this embodiment includes a cover driving cylinder N141, a cover driving guide rail N142, and a cover driving guide wheel N143, the cover driving guide rail N142 is mounted on the cover housing N11, the cover driving guide wheel N143 is mounted on the cover housing N12, the cover driving guide wheel N143 is mounted on the cover driving guide rail N142, a cylinder of the cover driving cylinder N141 is mounted on the cover housing N11, and a piston rod of the cover driving cylinder N141 is connected to the cover housing N12.

The dust removal component N2 in the embodiment comprises a dust removal bracket N21, a dust removal oil cylinder N22, a dust removal air suction hood N23, a dust removal air suction pipe N24 and a dust removal air outlet pipe N25, wherein the dust removal air suction hood N23 is matched with a socket end of a protective cover component N1, the dust removal air suction hood N23 is connected with a dust removal air suction pipe N24, and the dust removal air suction pipe N24 is connected with a dust removal air outlet pipe N25.

The dust removal air suction pipe N24 and the dust removal air outlet pipe N25 in the embodiment are both arranged on a dust removal support N21, the dust removal air suction pipe N24 is arranged on a dust removal support N21 through a rotary support, a cylinder barrel of a dust removal oil cylinder N22 is hinged with a dust removal support N21, a piston rod of a dust removal oil cylinder N22 is hinged with the dust removal air suction pipe N24, and a dust removal air suction pipe N24 is arranged in a L type structure.

The protective cover component N1 in the dust removing device covers the centrifugal main machine to process the pipe fittings, so that the safety coefficient can be improved, the dust removing component N2 removes dust in the protective cover component N1, the pollution to the environment can be reduced, the dust removing air suction cover N23 swings to the socket end of the pipe fittings through the dust removing oil cylinder N22 when the pipe fittings are processed, and the dust removing component N2 removes dust in the protective cover component N1; the newly-added bellmouth rotating dust collection cover improves the dust removal effect.

The coating system O in this embodiment (see fig. 57 to 59) includes a stirring tank O1, a pneumatic diaphragm pump O2, a colloid mill O3, and a pipeline O4, where the stirring tank O1 includes a first stirring tank O11, a second stirring tank O12, a third stirring tank O13, and a fourth stirring tank O14, the pneumatic diaphragm pump O2 includes a first pneumatic diaphragm pump O21 and a second pneumatic diaphragm pump O22, and the pipeline O4 includes a first pipeline O41, a second pipeline O42, a third pipeline O43, a fourth pipeline O44, a fifth pipeline O45, a sixth pipeline O46, a seventh pipeline O47, an eighth pipeline O48, a ninth pipeline O49, and a tenth pipeline O490.

No. two agitator O12 and No. three agitator O13 in this embodiment all are connected with No. nine pipeline O49, No. nine pipeline O49 is connected with pneumatic diaphragm pump O21, pneumatic diaphragm pump O21 is connected with No. eight pipeline O48, No. eight pipeline O48 is connected with agitator O11, agitator O11 is connected with No. ten pipeline O490, No. ten pipeline O490 is connected with colloid mill O3, colloid mill O3 is connected with No. four agitator O14.

In this embodiment, the first pipeline O41 is connected to the first stirring barrel O11, the second pipeline O42 is connected to the second stirring barrel O12, the third pipeline O43 is connected to the third stirring barrel O13, the first pipeline O41, the second pipeline O42, and the third pipeline O43 are all connected to the seventh pipeline O47, and the second pipeline O42 and the third pipeline O43 are all connected to the ninth pipeline O49.

In this embodiment, a fourth stirring tank O14 is connected to a fourth pipeline O44, a fourth pipeline O44 is connected to a second pneumatic diaphragm pump O22, a second pneumatic diaphragm pump O22 is connected to one end of a fifth pipeline O45, the other end of the fifth pipeline O45 is connected to a paint tank of the spray cart, one end of a sixth pipeline O46 is connected to the fourth stirring tank O14, and the other end of the sixth pipeline O46 is connected to the fifth pipeline O45.

The coating system can circulate the coating and avoid the condition of precipitation of the coating, and particularly, the coating in a second stirring barrel O12 and a third stirring barrel O13 enters a first stirring barrel O11 through a first pneumatic diaphragm pump O21 and a ninth pipeline O49 and an eighth pipeline O48, and the coating in a first stirring barrel O11 enters a colloid mill O3 and then enters a fourth stirring barrel O14 through a tenth pipeline O490; when a valve on a sixth pipeline O46 is closed and a valve on a fifth pipeline O45 is opened, the paint in a fourth stirring barrel O14 enters a paint tank of the spraying trolley through a second pneumatic diaphragm pump O22 and a fourth pipeline O44 and a fifth pipeline O45, when a valve on a sixth pipeline O46 is opened and a valve on a fifth pipeline O45 is closed, the paint in the fourth stirring barrel O14 circulates through a second pneumatic diaphragm pump O22 and a fourth pipeline O44, a fifth pipeline O45 and a sixth pipeline O46 to prevent the paint in the fourth stirring barrel O14 from precipitating; a first stirring barrel O11, a second stirring barrel O12 and a third stirring barrel O13 are used for periodically discharging sewage through a first pipeline O41, a second pipeline O42 and a third pipeline O43 respectively, and the sewage is discharged through a seventh pipeline O47.

The pipe holding crown block V in this embodiment (see fig. 60-66) includes a pipe holding device P, a pipe holding traverse device Q1, a pipe holding lifting device Q2, and a pipe holding guide device Q3, the pipe holding lifting device Q2 is installed on the pipe holding traverse device Q1, the pipe holding device P is connected with the pipe holding lifting device Q2, and both the pipe holding traverse device Q1 and the pipe holding device P are matched with the pipe holding guide device Q3.

The pipe holding traverse device Q1 in the embodiment comprises a pipe holding traverse beam Q11, a pipe holding traverse motor Q12, a pipe holding traverse reducer Q13 and a pipe holding traverse roller Q14, wherein the pipe holding traverse roller Q14 is installed at the bottom of the pipe holding traverse beam Q11, the pipe holding traverse roller Q14 is installed on a pipe holding traverse guide rail, a pipe holding lifting device Q2 is installed on a pipe holding traverse beam Q11, and the pipe holding traverse roller Q14 is connected with the pipe holding traverse motor Q12 through the pipe holding traverse reducer Q13.

The pipe holding lifting device Q2 in this embodiment includes a pipe holding lifting motor Q21, a pipe holding lifting reducer Q22, a pipe holding lifting reel Q23, a pipe holding lifting direction-changing wheel Q24, a pipe holding lifting fixed pulley Q25 and a pipe holding lifting steel wire rope Q26, the pipe holding lifting reel Q23 and the pipe holding lifting direction-changing wheel Q24 are both mounted on a pipe holding traverse device Q1, the pipe holding lifting fixed pulley Q25 is mounted on a pipe holding device P, the pipe holding lifting steel wire rope Q26 bypasses the pipe holding lifting direction-changing wheel Q24 and the pipe holding lifting fixed pulley Q25, one end of the pipe holding lifting steel wire rope Q26 is connected with the pipe holding lifting reel Q23, the other end of the pipe holding lifting steel wire rope Q26 is connected with the pipe holding traverse device Q1, the pipe holding lifting motor Q21 is connected with the pipe holding lifting reducer Q22, and the pipe holding lifting reducer Q22 is connected with the pipe holding lifting reel Q23.

The pipe embracing guide device Q3 in the embodiment comprises a pipe embracing guide column Q31, a pipe embracing guide seat Q32 and a pipe embracing guide block Q32, the pipe embracing guide column Q31 is installed on the pipe embracing device P, the pipe embracing guide seat Q32 is installed on a pipe embracing traversing device Q1, the pipe embracing guide block Q32 is installed on the pipe embracing guide seat Q32, the pipe embracing guide column Q31 is in contact with the pipe embracing guide block Q32, the pipe embracing guide column Q31 is arranged in a rectangular structure, and the pipe embracing guide block Q32 is in contact with the wall surface of the pipe embracing guide column Q31.

The pipe holding device P in this embodiment includes a pipe holding lifting beam P1, a pipe holding swing arm P2, a pipe holding swing arm driving assembly P3, a pipe holding idler P4 and a pipe holding idler driving assembly P5, a pipe holding swing arm P2 and a pipe holding swing arm driving assembly P3 are both installed on the pipe holding lifting beam P1, the pipe holding swing arm P2 is connected with a pipe holding swing arm driving assembly P3, a pipe holding idler P4 and a pipe holding idler driving assembly P5 are both installed on the pipe holding swing arm P2, and the pipe holding idler P4 is connected with a pipe holding idler driving assembly P5.

Through this embrace a pipe overhead traveling crane when shifting to the pipe fitting after the machine-shaping, the pipe fitting can not rock, high stability, factor of safety is high, simultaneously through embracing pipe device P with the pipe fitting hold up, can drive the pipe fitting rotation, avoid the pipe fitting oval condition to appear, embrace pipe device P with the pipe fitting hold up the back, through embracing rotation of pipe lift reel Q23, pack up and embrace a pipe lift wire rope Q26, will embrace pipe device P rebound, through embracing pipe guide column Q31 and embracing a pipe guide block Q32 contact, can restrict to embrace pipe device P and move in the vertical direction, it can not rock to embrace pipe device P, will embrace pipe device P and rise to appointed height after, move on embracing pipe sideslip gyro wheel Q14 through embracing pipe sideslip crossbeam Q11, realize the lateral shifting with the pipe fitting.

The pipe embracing device P in the embodiment comprises a pipe embracing lifting beam P1, a pipe embracing swing arm P2, a pipe embracing swing arm driving assembly P3, a pipe embracing idler P4 and a pipe embracing idler driving assembly P5, wherein the pipe embracing swing arm P2 and the pipe embracing swing arm driving assembly P3 are both installed on the pipe embracing lifting beam P1, the pipe embracing swing arm P2 is connected with the pipe embracing swing arm driving assembly P3, the pipe embracing idler P4 and the pipe embracing idler driving assembly P5 are both installed on the pipe embracing swing arm P2, and the pipe embracing idler P4 is connected with the pipe embracing idler driving assembly P5; the pipe holding lifting beam P1 is connected with a pipe holding lifting device Q2, and the pipe holding traversing device Q1 and the pipe holding lifting beam P1 are matched with a pipe holding guide device Q3.

Embrace a tub swing arm drive assembly P3 in this embodiment includes embracing a tub swing arm motor P31, embrace tub swing arm reduction gear P32, embrace tub swing arm brake P33 and embrace tub swing arm link mechanism P34, embrace tub swing arm motor P31 and embrace tub swing arm reduction gear P32 and be connected, embrace tub swing arm reduction gear P32 and embrace tub swing arm link mechanism P34 and be connected, embrace tub swing arm link mechanism P34 and embrace tub swing arm P2 and be connected, embrace tub swing arm brake P33 and embrace tub swing arm reduction gear P32 and be connected.

The pipe embracing idler driving assembly P5 in this embodiment includes a pipe embracing idler motor P51 and a pipe embracing idler speed reducer P52, the pipe embracing idler motor P51 is connected with the pipe embracing idler speed reducer P52, and the pipe embracing idler speed reducer P52 is connected with the pipe embracing idler P4.

The pipe-holding swing arm link mechanism P34 in this embodiment includes a pipe-holding swing arm drive lever P341 and a pipe-holding swing arm connecting rod P342, the pipe-holding swing arm speed reducer P32 is connected with the pipe-holding swing arm drive lever P341, the pipe-holding swing arm drive lever P341 is connected with the pipe-holding swing arm connecting rod P342, and the pipe-holding swing arm connecting rod P342 is connected with the pipe-holding swing arm P2.

Embrace a tub swing arm P2's quantity in this embodiment is two, and two embrace a tub swing arm P2 symmetry settings, embrace a pipe riding wheel P4 and install the inboard of embracing tub swing arm P2, embrace the outer wall contact of pipe riding wheel P4 and pipe fitting. And heat insulation plates P6 are respectively arranged on the inner wall of the pipe holding swing arm P2 and the bottom of the pipe holding lifting beam P1, and the heat insulation plates P6 are in contact with the outer wall of the pipe fitting.

The pipe fitting after the pipe fitting device is transferred and formed can be rotated through the pipe fitting embracing device, avoid the oval condition to appear in the pipe fitting, embrace a tub swing arm link mechanism P34 swing through embracing tub swing arm motor P31 control, will embrace tub swing arm P2 and open, embrace the pipe fitting through embracing tub swing arm P2, make and embrace tub riding wheel P4 and the outer wall contact of pipe fitting, embrace tub riding wheel P4 rotation through embracing tub riding wheel motor P51 drive after embracing the pipe fitting, realize the rotation of pipe fitting, embrace tub swing arm reduction gear P32 through the control of embracing tub swing arm stopper P33 of installation and stop, installation heat insulating board P6 can avoid embracing tub swing arm drive assembly P3 and embracing tub riding wheel drive assembly P5 because the higher damage of pipe fitting temperature.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims (10)

1. A hot die centrifugal tube casting machine is characterized in that: including pouring spraying equipment (R), centrifugal host (S), core machine (M) turns over, go up core driving (T), drawbench (U) and embrace a tub day car (V), pouring spraying equipment (R) and centrifugal host (S) cooperation, turn over core machine (M) and last core driving (T) cooperation, it all cooperates with centrifugal host (S) with drawbench (U) to go up core driving (T) and drawbench (U), embrace a tub day car (V) and drawbench (U) cooperation.

2. The hot die centrifugal tube-casting machine of claim 1, wherein: the hot die centrifugal tube casting machine further comprises a dust removal device (N), a coating system (O) and a cooling system for cooling the tube die, wherein the dust removal device (N) is matched with the centrifugal host (S), and the coating system (O) is matched with the pouring and spraying equipment (R).

3. The hot die centrifugal tube-casting machine of claim 1, wherein: the pouring and spraying equipment (R) comprises a pouring trolley (A), a spraying trolley (B) and a transverse trolley (C), the pouring trolley (A) and the spraying trolley (B) are both arranged on the transverse trolley (C), the transverse trolley (C) comprises a left transverse trolley body (C1), a right transverse trolley body (C2), a left transverse oil cylinder (C3), a right transverse oil cylinder (C4), a transverse pulley (C5) and a transverse sliding rail (C6), the pouring trolley (A) is arranged on a left transverse trolley body (C1), the spraying trolley (B) is arranged on a right transverse trolley body (C2), the left traverse oil cylinder (C3) is connected with a left traverse car body (C1), the right traverse oil cylinder (C4) is connected with a right traverse car body (C2), the left traverse trolley body (C1) and the right traverse trolley body (C2) are both provided with traverse pulleys (C5), and the traverse pulleys (C5) are arranged on traverse slide rails (C6); and/or; the casting trolley (A) comprises a casting trolley body (A1), a casting ladle support (A2), a casting ladle (A3), a runner (A5) and a runner bracket (A6), wherein the casting ladle support (A2) and the runner bracket (A6) are both arranged on the casting trolley body (A1), the casting ladle (A3) is arranged on the casting ladle support (A2), the runner (A5) is arranged on the runner bracket (A6), and the casting ladle (A3) is matched with the runner (A5); and/or; the spraying trolley (B) comprises a spraying trolley body (B1), a spraying rod (B2), a paint bucket (B3), a transmission device (B4), a cleaning device (B5) and a spraying device (B6), wherein the spraying rod (B2) and the paint bucket (B3) are installed on the spraying trolley body (B1), the cleaning device (B5) and the transmission device (B4) are installed on the spraying rod (B2), the cleaning device (B5) is connected with the transmission device (B4), the spraying device (B6) is installed on the cleaning device (B5), and the spraying device (B6) is connected with the paint bucket (B3).

4. The hot die centrifugal tube-casting machine of claim 1, wherein: centrifugal host computer (S) include host computer base (E1), play supporting role to the pipe mould and drive pipe mould pivoted riding wheel device (E2) to and be used for restricting pipe mould and keep off wheel device (E3) along the pipe mould axis removal in the rotation process, riding wheel device (E2) and fender wheel device (E3) are all installed on host computer base (E1), riding wheel device (E2) and fender wheel device (E3) cooperation.

5. The hot die centrifugal tube-casting machine of claim 1, wherein: the core loading travelling crane (T) comprises a core loading device (F) and a lifting device (G), the core loading device (F) is installed on the lifting device (G), the lifting device (G) comprises a lifting outer sleeve (G1) and a lifting inner cylinder (G2), the lifting outer sleeve (G1) is sleeved on the lifting inner cylinder (G2), and the core loading device (F) is installed on the lifting inner cylinder (G2); and/or; go up core driving (T) and still include removal dolly (G5), elevating gear (G) still includes lifting support (G6), lift overcoat (G1) is installed on lifting support (G6), lifting support (G6) are installed on removal dolly (G5).

6. The hot die centrifugal tube-casting machine of claim 1, wherein: the core overturning machine (M) comprises a core overturning machine base (M1), a turnover frame (M2), a moving frame (M3), an overturning driving mechanism (M4) and a moving driving mechanism (M5), wherein the turnover frame (M2) is rotatably installed on the core overturning machine base (M1), the moving frame (M3) is slidably installed on the turnover frame (M2), the overturning driving mechanism (M4) is connected with the turnover frame (M2), and the moving driving mechanism (M5) is connected with the moving frame (M3).

7. The hot die centrifugal tube-casting machine of claim 1, wherein: the tube drawing machine (U) comprises a tube receiving idler assembly (H), a tube drawing trolley (I), a tube drawing power device (J) and a tube drawing clamp (K), wherein the tube drawing clamp (K) is installed on the tube drawing trolley (I), the tube drawing trolley (I) is connected with the tube drawing power device (J), and the tube receiving idler assembly (H) is matched with the tube drawing trolley (I); the pipe drawing power device (J) comprises a pipe drawing rack (J1), a pipe drawing power rack (J2), a pipe drawing power mechanism (J3), a pipe drawing limiting mechanism (J4) and a pipe drawing sliding rail (J6), wherein the pipe drawing power rack (J2), the pipe drawing limiting mechanism (J4) and the pipe drawing sliding rail (J6) are all installed on the pipe drawing rack (J1); the pipe receiving carrier wheel assembly (H) and the pipe drawing trolley (I) are both arranged on a pipe drawing slide rail (J6), and the pipe drawing trolley (I) is connected with a pipe drawing power mechanism (J3).

8. The hot die centrifugal tube-casting machine of claim 1, wherein: embrace a tub overhead traveling crane (V) including embracing tub device (P), embracing a tub sideslip device (Q1), embracing tub elevating gear (Q2) and embracing tub guider (Q3), embrace tub elevating gear (Q2) and install on embracing tub sideslip device (Q1), embrace tub device (P) and embrace tub elevating gear (Q2) and be connected, embrace tub sideslip device (Q1) and embrace tub device (P) and all embrace tub guider (Q3) cooperation.

9. The hot die centrifugal tube-casting machine of claim 2, wherein: the dust removal device (N) comprises a protective cover assembly (N1), the protective cover assembly (N1) comprises a protective cover housing (N11), a protective cover housing (N12), protective cover wheels (N13) and a housing driving mechanism (N14), the protective cover wheels (N13) are installed at the bottom of the protective cover housing (N11), the protective cover housing (N12) is installed on the protective cover housing (N11), and the housing driving mechanism (N14) is connected with the protective cover housing (N12); and/or; dust collector (N) still includes dust removal component (N2), dust removal component (N2) and the cooperation of the socket end of centrifugation host computer, dust removal component (N2) is including dust removal aspiration channel (N23), dust removal aspiration channel (N24) and dust removal tuber pipe (N25), the cooperation of socket end of dust removal aspiration channel (N23) and centrifugation host computer, dust removal aspiration channel (N23) is connected with dust removal aspiration channel (N24), dust removal aspiration channel (N24) is connected with dust removal tuber pipe (N25).

10. The hot die centrifugal tube-casting machine of claim 2, wherein: the coating system (O) comprises a stirring barrel (O1), a pneumatic diaphragm pump (O2), a colloid mill (O3) and a pipeline (O4), wherein the stirring barrel (O1) comprises a first stirring barrel (O11), a second stirring barrel (O12), a third stirring barrel (O13) and a fourth stirring barrel (O14), the pneumatic diaphragm pump (O2) comprises a first pneumatic diaphragm pump (O21) and a second pneumatic diaphragm pump (O22), and the pipeline (O4) comprises an eighth pipeline (O48), a ninth pipeline (O49) and a tenth pipeline (O490); no. two agitator (O12) and No. three agitator (O13) all are connected with No. nine pipeline (O49), No. nine pipeline (O49) are connected with pneumatic diaphragm pump (O21), pneumatic diaphragm pump (O21) is connected with No. eight pipeline (O48), No. eight pipeline (O48) is connected with agitator (O11), agitator (O11) is connected with No. ten pipeline (O490), No. ten pipeline (O490) is connected with colloid mill (O3), colloid mill (O3) is connected with No. four agitator (O14).

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