阅读说明：本技术 一种热模离心铸管机 (Hot die centrifugal pipe casting machine ) 是由 吴灵 徐砚琛 于 2019-08-29 设计创作，主要内容包括：本发明涉及一种热模离心铸管机,属于机械设备领域。本发明包括浇注喷涂设备、离心主机、翻芯机、上芯行车、拔管机和抱管天车,所述浇注喷涂设备与离心主机配合,所述翻芯机与上芯行车配合,所述上芯行车和拔管机均与离心主机配合,所述抱管天车与拔管机配合。所述热模离心铸管机还包括除尘装置、涂料系统和用于为管模冷却的冷却系统,所述除尘装置与离心主机配合,所述涂料系统与浇注喷涂设备配合。(The invention relates to a hot die centrifugal tube casting machine, and belongs to the field of mechanical equipment. The invention comprises pouring spraying equipment, a centrifugal host, a core overturning machine, a core feeding travelling crane, a tube drawing machine and a tube holding 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 both matched with the centrifugal host, and the tube holding crown block is matched with the tube drawing machine. 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.)

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).

Technical Field

The invention relates to a hot die centrifugal tube casting machine, and belongs to the field of mechanical equipment.

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.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the hot die centrifugal tube casting machine with a reasonable structural design.

The technical scheme adopted by the invention for solving the problems is as follows: 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 invention has the following advantages:

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 die centrifugal tube casting machine according to an embodiment of the present invention.

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

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

Fig. 4 is a left side view schematically illustrating a pouring and spraying apparatus according to an embodiment of the present invention.

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

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

Fig. 9 is a schematic view of a connection structure of the piping system according to the 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 schematically illustrating the centrifugal main unit according to the embodiment of the present invention.

Fig. 12 is a schematic top view of the centrifugal main machine 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 schematically illustrating the structure 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 schematically illustrating the elevating 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 schematically illustrating 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 a core mounting device according to an 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 invention.

Fig. 25 is a front view schematically illustrating the structure of the pipe 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 schematically illustrating the driving idler 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 invention.

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

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

Fig. 31 is a front view schematically showing the driven idler device according to the 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 assembly according to the embodiment of the present invention.

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

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

FIG. 38 is a schematic right-view structural diagram of the tube drawing cart according to the embodiment of the present invention.

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

Fig. 40 is a front view structural schematic diagram of the pipe poking power device of the embodiment of the 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 of the embodiment of the invention.

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

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

Fig. 48 is a front view structural schematic diagram of a core flipping machine according to an embodiment of the 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 of a protective cover assembly according to an embodiment of the 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 front view schematically illustrating 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 schematic left side view of a coating system according to an embodiment of the invention.

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

Fig. 60 is a schematic front view 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 structural schematic diagram of a pipe embracing crown block according to an 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 structural schematic diagram of a pipe embracing apparatus in a closed state according to an embodiment of the present invention.

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

Detailed Description

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