CN113829050A

CN113829050A - Automatic ball valve assembling equipment

Info

Publication number: CN113829050A
Application number: CN202111185527.2A
Authority: CN
Inventors: 杨文贵; 黎文斌; 刘生君; 熊运飞
Original assignee: Jiaxing Da Ding Automation Technology Co ltd
Current assignee: Jiaxing Da Ding Automation Technology Co ltd
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2021-12-24

Abstract

The invention discloses automatic ball valve assembling equipment which comprises a rack, a rotary table mechanism, a placing station, a valve ball sealing ring assembling station, a valve rod sealing ring assembling station, a pressing cap assembling station, a valve rod assembling station, a pressing cap screwing station, a valve ball assembling station, a valve cover gluing station, a valve cover and valve body assembling station, a valve cover and valve body screwing station and a discharging station, wherein the placing station, the valve ball sealing ring assembling station, the valve rod sealing ring assembling station, the pressing cap assembling station, the valve rod assembling station, the pressing cap screwing station, the valve ball assembling station, the valve cover gluing station, the valve cover and valve body assembling station, the valve cover and valve body screwing station and the discharging station are sequentially distributed in the circumferential direction around the rotary table mechanism; a plurality of supporting stations are circumferentially arranged on the turntable mechanism, and a placing station, a valve ball sealing ring assembling station, a valve rod sealing ring assembling station, a pressing cap assembling station, a valve rod assembling station, a pressing cap screwing station, a valve ball assembling station, a valve cover gluing station, a valve cover and valve body assembling station, a valve cover and valve body screwing station and a discharging station are respectively arranged corresponding to one of the supporting stations; the invention can improve the assembly efficiency of the ball valve, and can reduce the labor intensity of workers and the labor cost of enterprises.

Description

Automatic ball valve assembling equipment

Technical Field

The invention relates to the technical field of ball valve assembling equipment, in particular to automatic ball valve assembling equipment.

Background

At present, in the ball valve production process, the assembly to the ball valve relies on the manual work to accomplish, need be in the same place valve body, valve ball sealing washer, valve rod sealing washer, pressure cap, valve rod, valve ball and valve gap assembly through artificial mode promptly, so, not only have the shortcoming that the ball valve assembly efficiency is low, but also have that staff intensity of labour is big and enterprise's cost of labor is high shortcoming.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides automatic ball valve assembling equipment which can improve the assembling efficiency of a ball valve, reduce the labor intensity of workers and reduce the labor cost of enterprises.

The invention relates to automatic ball valve assembly equipment which comprises a rack, a rotary table mechanism, a placing station, a valve ball sealing ring assembly station, a valve rod sealing ring assembly station, a pressing cap assembly station, a valve rod assembly station, a pressing cap screwing station, a valve ball assembly station, a valve cover gluing station, a valve cover and valve body assembly station, a valve cover and valve body screwing station and a discharging station, wherein the placing station, the valve ball sealing ring assembly station, the valve rod sealing ring assembly station, the pressing cap screwing station, the valve ball assembly station, the valve cover gluing station, the valve cover and valve body assembly station, the valve cover and valve body screwing station and the discharging station are sequentially distributed in the circumferential direction around the rotary table mechanism; the rotary table mechanism, the valve ball sealing ring assembling station, the valve rod sealing ring assembling station, the pressing cap assembling station, the valve rod assembling station, the pressing cap screwing station, the valve ball assembling station, the valve cover gluing station, the valve cover and valve body assembling station, the valve cover and valve body screwing station and the discharging station are all arranged on the machine frame; the valve body support base in each support station is fixed on the turntable, and the valve cover support base in each support station is rotatably connected to the turntable; the device comprises a placing station, a valve ball sealing ring assembling station, a valve rod sealing ring assembling station, a pressing cap assembling station, a valve rod assembling station, a pressing cap screwing station, a valve ball assembling station, a valve cover gluing station, a valve cover and valve body assembling station, a valve cover and valve body screwing station and a discharging station which are respectively arranged corresponding to one of the supporting stations.

The invention relates to automatic ball valve assembling equipment, wherein a valve ball sealing ring assembling station comprises a valve ball sealing ring vibration feeding machine, a valve ball sealing ring conveying track and a valve ball sealing ring assembling mechanism, the valve ball sealing ring vibration feeding machine, the valve ball sealing ring conveying track and the valve ball sealing ring assembling mechanism are all arranged on a rack, the discharge end of the valve ball sealing ring vibration feeding machine is connected with the feed end of the valve ball sealing ring conveying track, and the valve ball sealing ring vibration feeding machine is used for conveying a valve ball sealing ring positioned in the valve ball sealing ring vibration feeding machine to the valve ball sealing ring conveying track; the valve ball sealing ring assembly mechanism is used for assembling the valve ball sealing ring from the valve ball sealing ring conveying track into the valve body and the valve cover; the valve ball sealing ring assembling mechanism comprises a first support, two valve ball sealing ring assembling units and two valve ball sealing ring temporary storage units, the first support is fixed on a rack, the two valve ball sealing ring assembling units and the two valve ball sealing ring temporary storage units are installed on the first support, each valve ball sealing ring temporary storage unit is respectively positioned below one valve ball sealing ring assembling unit, one valve ball sealing ring assembling unit is used for assembling a valve ball sealing ring in the valve ball sealing ring temporary storage unit positioned on the corresponding position into a valve body, the other valve ball sealing ring assembling unit is used for assembling a valve ball sealing ring in the valve ball sealing ring temporary storage unit positioned on the corresponding position into a valve cover, and a valve ball sealing ring conveying track is used for conveying the valve ball sealing rings into the two valve ball sealing ring temporary storage units; each valve ball sealing ring temporary storage unit comprises two rotating arms, the two rotating arms in each valve ball sealing ring temporary storage unit are rotatably connected with the first support, a temporary storage area for temporarily storing the valve ball sealing ring from the valve ball sealing ring conveying track is formed after the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are inwardly drawn, a first elastic structure is arranged between each rotating arm and the first support, and each first elastic structure is used for driving the rotating arm in the corresponding position to enable the lower end of the rotating arm to rotate inwardly; each first elastic structure comprises a first spring, one end of each first spring abuts against the upper end of the corresponding rotating arm, the other end of each first spring abuts against the first support, and the inner wall of the upper end of each rotating arm is provided with a first blind hole for inserting one end part of the corresponding first spring; each sealing ring assembling unit comprises a first inserting rod, a sleeve, a sliding block, a first air cylinder and a second air cylinder, the first air cylinder and the second air cylinder are fixed on a first support, the sliding block is vertically and slidably connected to the first support, the first inserting rod is movably arranged in the sleeve in a penetrating mode, the upper end of the first inserting rod is fixed with a piston rod of the first air cylinder, the upper end of the sleeve is fixed with the sliding block, and the sliding block is fixed with a piston rod of the second air cylinder; when the first insert rod moves downwards, the lower end of the first insert rod is used for penetrating through the valve ball sealing ring in one temporary storage area and then inserting into the valve body or the valve cover, and when the sleeve moves downwards, the lower end of the sleeve is used for pushing the valve ball sealing ring outside the first insert rod and pressing the valve ball sealing ring into the valve body or the valve cover; after the valve ball sealing ring assembling station is adopted, the valve ball sealing ring conveying track can supply materials to the two valve ball sealing ring temporary storage units, the two valve ball sealing ring assembling units can simultaneously assemble the valve ball sealing rings in the valve ball sealing ring temporary storage units on the corresponding positions into the valve body and the valve cover, namely the valve body and the valve cover can be simultaneously provided with the valve ball sealing rings, so that the efficiency of installing the valve ball sealing rings on the valve body and the valve cover can be improved, secondly, after the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are inwards closed, the valve ball sealing rings for temporarily storing the valve ball sealing rings from the valve ball sealing ring conveying track can be formed between the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit, and after the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are outwards opened, the valve ball sealing ring in each temporary storage area can fall into the valve body and the valve cover respectively, when the piston rod of the first air cylinder drives the first insert rod to move downwards, the lower end of the first insert rod can penetrate through the valve ball sealing ring in the temporary storage area at the corresponding position and then is inserted into the valve body or the valve cover, and when the piston rod of the second air cylinder drives the sliding block to move downwards so that the sliding block drives the sleeve to move downwards, the lower end of the sleeve can push the valve ball sealing ring outside the first insert rod and press the valve ball sealing ring into the valve body or the valve cover; it should be noted that: the lower extreme of two rotor arms in every valve ball sealing washer temporary storage unit draws close the back inwards, all be formed with the passageway that the lower extreme activity that is used for supplying first inserted bar passed between the lower extreme of two rotor arms in every valve ball sealing washer temporary storage unit, this passageway is circular passageway, the internal diameter of this passageway is greater than the external diameter of first inserted bar and is less than valve ball sealing washer and sheathed tube external diameter, after through adopting this kind of structure, first inserted bar is when passing the passageway between two rotor arms, can avoid the rotor arm to take place to rotate, thereby can ensure that the lower extreme of every first inserted bar inserts in valve body or the valve gap after all passing the valve ball sealing washer on the corresponding position reliably.

The automatic ball valve assembling equipment comprises a valve rod sealing ring assembling station, a valve rod sealing ring conveying rail, a valve rod sealing ring assembling mechanism, a valve rod sealing ring vibration feeding machine, a valve rod sealing ring conveying rail and a valve rod sealing ring assembling mechanism, wherein the second support is arranged on a rack; the valve rod sealing ring vibration feeding machine is used for conveying the valve rod sealing ring positioned in the valve rod sealing ring vibration feeding machine to a valve rod sealing ring conveying track; the valve rod sealing ring assembly mechanism is used for assembling the valve rod sealing ring from the valve rod sealing ring conveying track into a valve rod mounting hole on the valve body; the valve rod sealing ring assembling mechanism comprises a valve rod sealing ring temporary storage unit and a valve rod sealing ring assembling unit, the valve rod sealing ring temporary storage unit comprises a third air cylinder and a first temporary storage seat, and the valve rod sealing ring assembling unit comprises a fourth air cylinder, a fifth air cylinder, a first sliding seat, a second inserted rod and a top sleeve; the third air cylinder is fixed on the second support, the first temporary storage seat is fixed with the driving end of the third air cylinder, a first temporary storage groove for temporarily storing the valve rod sealing ring is formed in the first temporary storage seat, a first opening for allowing the valve rod sealing ring from the valve rod sealing ring conveying track to fall into the first temporary storage groove is formed in the upper end of the first temporary storage groove, the third air cylinder is used for driving the first temporary storage seat to slide along the radial direction of the second insertion rod, after a piston rod of the third air cylinder extends, the axis of the valve rod sealing ring in the first temporary storage groove is overlapped with the axis of the second insertion rod, and after the piston rod of the third air cylinder contracts, the first opening is vertically aligned with the discharging end of the valve rod sealing ring conveying track; the fourth cylinder and the fifth cylinder are fixed on the second support, the first sliding seat is connected to the second support in a sliding mode, the second inserted rod is movably arranged in the top sleeve in a penetrating mode, one end of the second inserted rod is fixed with a piston rod of the fourth cylinder, one end of the top sleeve is fixed with the first sliding seat, the first sliding seat is fixed with a piston rod of the fifth cylinder, the fourth cylinder is used for driving the second inserted rod to move along the axial direction of the valve rod sealing ring located in the first temporary storage groove, and the fifth cylinder is used for driving the first sliding seat and the top sleeve to enable the first sliding seat and the top sleeve to move along the axial direction of the valve rod sealing ring located in the first temporary storage groove; a first through hole communicated with the first temporary storage groove is formed in the first temporary storage seat, after a piston rod of the third cylinder extends, and when a piston rod of the fourth cylinder extends, the first through hole and the valve rod sealing ring positioned in the first temporary storage groove are used for allowing the second inserted rod to pass through so that the valve rod sealing ring positioned in the first temporary storage groove is sleeved outside the second inserted rod, and the inner diameter of the first through hole is smaller than the outer diameter of the valve rod sealing ring; a second opening is formed in the side wall of the first temporary storage groove, and after a piston rod of the fourth cylinder extends and when a piston rod of the third cylinder contracts, the second opening is used for enabling a second insert rod and a valve rod sealing ring sleeved outside the second insert rod to slide out of the first temporary storage seat in the lateral direction; when a piston rod of the fifth cylinder extends, the fifth cylinder is used for driving the first sliding seat and the jacking sleeve to move along the axial direction of the second inserted rod so that the jacking sleeve presses the valve rod sealing ring positioned outside the second inserted rod into the valve rod mounting hole positioned on the valve body; the first temporary storage seat is rotatably connected with a first rotating frame, one end of the first rotating frame is used for shielding the second opening, a second elastic structure is arranged between the other end of the first rotating frame and the first temporary storage seat, and the second elastic structure is used for driving the first rotating frame to rotate so that one end of the first rotating frame shields the second opening; the second elastic structure comprises a second spring, one end of the second spring is abutted against the first temporary storage seat, the other end of the second spring is abutted against the other end of the first rotating frame, and a second blind hole for inserting the other end part of the second spring is formed in the other end of the first rotating frame; the upper end of the first temporary storage seat is provided with a first sliding chute, the first sliding chute extends along the sliding direction of the first temporary storage seat, the first sliding chute is used for partially embedding the valve rod sealing ring from the valve rod sealing ring conveying track, and one end of the first sliding chute is communicated with the first opening; after the valve rod sealing ring assembling station is adopted, when a piston rod of a third air cylinder is contracted, a first temporary storage groove positioned on a first temporary storage seat can be vertically aligned with a discharge end of a valve rod sealing ring conveying track, at the moment, the valve rod sealing ring positioned in the valve rod sealing ring conveying track can fall into the first temporary storage groove through a first opening, after a piston rod of the third air cylinder is extended, and when a piston rod of a fourth air cylinder is extended, a second insertion rod can penetrate through the valve rod sealing ring positioned in the first temporary storage groove and then is inserted into a valve rod mounting hole on a valve body, after the piston rod of the fourth air cylinder is extended, and when the piston rod of the third air cylinder is contracted, the second insertion rod and the valve rod sealing ring positioned in the first temporary storage groove can slide out from the first temporary storage groove through a second opening, and after the second insertion rod and the valve rod sealing ring slide out from the first temporary storage groove, the one end of first rotating frame can shelter from the second opening under elastic construction's effect, when the piston rod of fifth cylinder extends, the fifth cylinder can drive first sliding seat and apical cover and remove along the axial direction of second inserted bar so that the apical cover will be located the outside valve rod sealing washer of second inserted bar and impress in the valve rod mounting hole that is located the valve body, furthermore, through the setting of first spout, when the piston rod of third cylinder extends, come from orbital valve rod sealing washer of valve rod sealing washer transport and can fall into first spout, when the piston rod of third cylinder contracts, the valve rod sealing washer that is located first spout can enter into first groove of keeping in through first opening, so, can make and come from orbital valve rod sealing washer transport and supply conveniently in the first groove of keeping in of valve rod sealing washer transport.

The automatic ball valve assembling equipment comprises a cap pressing assembling station, a cap pressing vibration feeding machine, a cap pressing conveying rail and a cap pressing assembling mechanism, wherein the third support is arranged on a rack; the cap pressing vibration feeding machine is used for conveying the cap pressing in the cap pressing vibration feeding machine to the cap pressing conveying track; the pressure cap assembly mechanism is used for assembling the pressure cap from the pressure cap conveying track into a valve rod mounting hole on the valve body; the pressing cap assembling mechanism comprises a pressing cap temporary storage unit and a pressing cap assembling unit, the pressing cap temporary storage unit comprises a sixth air cylinder and a second temporary storage seat, and the pressing cap assembling unit comprises a seventh air cylinder, an eighth air cylinder, a first servo motor, a second sliding seat, a transmission case, a third inserted link and a first rotating sleeve; the sixth air cylinder is fixed on the third support, the second temporary storage seat is fixed with the driving end of the sixth air cylinder, a second temporary storage groove for temporarily storing the press cap is formed in the second temporary storage seat, a third opening for allowing the press cap from the press cap conveying track to fall into the second temporary storage groove is formed in the upper end of the second temporary storage groove, the sixth air cylinder is used for driving the second temporary storage seat to slide along the radial direction of the third inserting rod, after a piston rod of the sixth air cylinder extends, the axis of the press cap in the second temporary storage groove is overlapped with the axis of the third inserting rod, and after the piston rod of the sixth air cylinder contracts, the third opening is vertically aligned with the discharge end of the press cap conveying track; the seventh cylinder and the eighth cylinder are both fixed on the third support, the second sliding seat is slidably connected on the third support, the first servo motor and the transmission case are both fixed on the second sliding seat, one end of the first rotating sleeve is arranged in the transmission case in a penetrating way and is rotatably connected with the transmission case through the first bearing group, a hexagonal first sinking groove used for being matched and spliced with the outer end part of the pressing cap is arranged on the inner wall of the other end of the first rotating sleeve, the first rotating sleeve is in transmission connection with a rotating shaft of the first servo motor, the third insertion rod is movably arranged in the first rotating sleeve in a penetrating way, one end of the third insertion rod is fixed with a piston rod of the seventh cylinder, the second sliding seat is fixed with a piston rod of the eighth cylinder, the seventh cylinder is used for driving the third insertion rod to move along the axial direction of the pressing cap in the second temporary storage groove, and the eighth cylinder is used for driving the second sliding seat, the first servo motor, The transmission case and the first rotating sleeve enable the second sliding seat, the first servo motor, the transmission case and the first rotating sleeve to move along the axial direction of the pressing cap in the second temporary storage groove; a second through hole communicated with the second temporary storage groove is formed in the second temporary storage seat, after a piston rod of the sixth air cylinder extends, and when a piston rod of the seventh air cylinder extends, the second through hole and a pressing cap positioned in the second temporary storage groove are used for allowing a third inserted bar to pass through so that the pressing cap positioned in the second temporary storage groove is sleeved outside the third inserted bar, and the inner diameter of the second through hole is smaller than the outer diameter of the pressing cap; a fourth opening is formed in the side wall of the second temporary storage groove, after a piston rod of the seventh air cylinder extends, and when a piston rod of the sixth air cylinder contracts, the fourth opening is used for enabling the third insert rod and a pressing cap sleeved outside the third insert rod to slide out of the second temporary storage seat in the lateral direction; when a piston rod of the eighth cylinder extends, the eighth cylinder is used for driving the second sliding seat and the first rotating sleeve to move along the axial direction of the third inserted rod so that the first rotating sleeve presses a pressing cap positioned outside the third inserted rod to a valve rod mounting hole positioned on the valve body; when the first servo motor drives the first rotating sleeve to rotate, the first rotating sleeve is used for screwing the pressing cap into the valve rod mounting hole on the valve body; a second rotating frame is rotatably connected to the second temporary storage seat, one end of the second rotating frame is used for shielding the fourth opening, an elastic structure is arranged between the other end of the second rotating frame and the second temporary storage seat, and the elastic structure is used for driving the second rotating frame to rotate so that one end of the second rotating frame shields the fourth opening; the elastic structure comprises a third spring, one end of the third spring is abutted against the second temporary storage seat, the other end of the third spring is abutted against the other end of the second rotating frame, and a third blind hole for inserting the other end of the third spring is formed in the other end of the second rotating frame; a first belt pulley, a second belt pulley and a transmission belt are arranged in the transmission case, the first belt pulley is fixed with a rotating shaft of the first servo motor, the second belt pulley is sleeved outside the first rotating sleeve and fixed with the first rotating sleeve, and the second belt pulley is in transmission connection with the first belt pulley through the transmission belt; a second sliding chute is arranged at the upper end of the second temporary storage seat, the second sliding chute extends along the sliding direction of the second temporary storage seat, the second sliding chute is used for embedding a pressing cap part from a pressing cap conveying track, and one end of the second sliding chute is communicated with the third opening; after the pressing cap assembling station is adopted, when a piston rod of a sixth air cylinder is contracted, a second temporary storage groove on a second temporary storage seat can be vertically aligned with a discharge end of a pressing cap conveying track, at the moment, a pressing cap in the pressing cap conveying track can fall into the second temporary storage groove through a third opening, after the piston rod of the sixth air cylinder is extended, and when a piston rod of a seventh air cylinder is extended, a third insertion rod can penetrate through the pressing cap in the second temporary storage groove and then be inserted into a valve rod mounting hole in a valve body, after the piston rod of the seventh air cylinder is extended, and when the piston rod of the sixth air cylinder is contracted, the third insertion rod and the pressing cap in the second temporary storage groove can slide out from the second temporary storage groove through a fourth opening, after the third insertion rod and the pressing cap slide out from the second temporary storage groove, one end of a second rotating frame can shield the fourth opening under the action of an elastic structure, when a piston rod of the eighth cylinder extends, the eighth cylinder can drive the second sliding seat and the first rotating sleeve to move along the axial direction of the third inserting rod so that the first rotating sleeve can tightly press a pressing cap positioned outside the third inserting rod to a valve rod mounting hole positioned on the valve body, when the first servo motor drives the first rotating sleeve to rotate, a first sunken groove positioned on the inner wall at the other end of the first rotating sleeve can be matched and spliced with the outer end part of the pressing cap, the first rotating sleeve can drive the pressing cap to rotate so as to pre-screw the pressing cap into the valve rod mounting hole positioned on the valve body, in addition, through the arrangement of the second sliding groove, when the piston rod of the sixth cylinder extends, the pressing cap from the pressing cap conveying track can fall into the second sliding groove, when the piston rod of the sixth cylinder contracts, the pressing cap positioned in the second sliding groove can enter into the second temporary storage groove through the third opening, in this way, the pressing caps from the pressing cap conveying track can be conveniently supplemented into the second temporary storage groove; it should be noted that the number of turns of the first rotating sleeve driven by the first servo motor each time can be set in the controller of the automatic ball valve assembling device according to the number of turns of the rotation required when the pressing cap and the valve body are screwed down in advance.

The invention relates to automatic ball valve assembling equipment, wherein a valve rod assembling station comprises a valve rod vibration feeding machine and a valve rod assembling mechanism, the valve rod vibration feeding machine and the valve rod assembling mechanism are both arranged on a rack, the valve rod vibration feeding machine is used for conveying a valve rod to the valve rod assembling mechanism, and the valve rod assembling mechanism is used for assembling the valve rod from the valve rod vibration feeding machine into a valve rod mounting hole on a valve body; after the valve rod assembling station is adopted, the valve rod can be conveniently assembled in a valve rod mounting hole on the valve body, besides, the valve rod vibration feeding machine and the valve rod assembling mechanism in the valve rod assembling station are both in the prior art, for example, the valve rod assembling mechanism can adopt an automatic valve rod assembling machine disclosed in the Chinese patent publication No. CNA, and therefore the invention is not repeated herein.

The automatic ball valve assembling equipment comprises a pressing cap screwing station, a pressing cap screwing station and a pressing head screwing station, wherein the pressing cap screwing station comprises a fourth support; a compression structure and a locking structure are arranged on the fourth support, the compression structure is used for compressing the valve body on the valve body supporting seat, and the locking structure is used for screwing a compression cap pre-installed in a valve rod installation hole on the valve body; the compressing structure comprises a ninth cylinder, a third sliding seat and a pressing sleeve, the ninth cylinder is fixed on a fourth support, the third sliding seat is vertically and slidably connected onto the fourth support, the third sliding seat is fixed with a piston rod of the ninth cylinder, the pressing sleeve is fixed on the third sliding seat, and when a piston rod of the ninth cylinder extends, the third sliding seat is used for driving the pressing sleeve to move downwards so that the pressing sleeve is inserted into the valve body and compresses the valve body; the compressing structure further comprises a tenth air cylinder and a first pressure lever, the tenth air cylinder is fixed on the fourth support, the first pressure lever is movably arranged in the third sliding seat and the pressure sleeve in a penetrating mode, the upper end of the first pressure lever is fixed with a piston rod of the tenth air cylinder, a first limiting groove used for being embedded with the inner end portion of a valve rod installed in the valve rod installation hole is formed in the outer wall of the lower end of the first pressure lever, and when the piston rod of the tenth air cylinder extends, the lower end of the first pressure lever is used for being inserted into the valve body to enable the first limiting groove located on the outer wall of the first pressure lever to be embedded with the inner end portion of the valve rod; the locking structure comprises an eleventh cylinder and a fourth sliding seat, the hydraulic valve comprises a first servo motor, a first rotating shaft and a first rotating sleeve, wherein a first cylinder is fixed on a first support, a first sliding seat is connected to the first support in a sliding mode, the first cylinder is used for driving the first sliding seat to enable the first sliding seat to slide along the axial direction of a valve rod mounting hole, one end of the first rotating shaft extends into the first sliding seat and is connected with the first sliding seat in a rotating mode through a first bearing group, the first servo motor is fixed on the first sliding seat, one end of the first rotating shaft is connected with a rotating shaft of the first servo motor in a transmission mode, one end of the first rotating sleeve is connected with the other end of the first rotating shaft in a transmission mode, and a first hexagonal sinking groove used for being matched and plugged with the outer end portion of a pressing cap pre-installed in the valve rod mounting hole is formed in the inner wall of the other end of the first rotating sleeve; one end of the second rotating sleeve is sleeved outside the other end of the first rotating shaft, a pair of third sliding grooves are formed in the outer wall of the other end of the first rotating shaft, each third sliding groove extends along the axial direction of the first rotating shaft, a pair of first pin shafts are embedded in the side wall of the second rotating sleeve, the inner end of each first pin shaft is inserted into one of the third sliding grooves and is in sliding connection with the third sliding groove, a fourth spring is arranged inside the second rotating sleeve, one end of the fourth spring abuts against the inner bottom of the second rotating sleeve, and the other end of the fourth spring abuts against the other end of the first rotating shaft; after the pressing cap is adopted to screw the station, when a piston rod of the ninth cylinder extends, the ninth cylinder can drive the third sliding seat to move downwards, when the third sliding seat moves downwards, the third sliding seat can drive the pressing sleeve to move downwards so that the pressing sleeve is inserted into the valve body and presses the valve body tightly, and after the valve body is pressed, when the locking structure screws the pressing cap pre-installed on the valve body, the phenomena of jumping and displacement of the valve body can be avoided; through the arrangement of the tenth air cylinder and the first pressure lever, when a piston rod of the tenth air cylinder extends, the lower end of the first pressure lever can be inserted into the valve body, and the first limiting groove positioned on the outer wall of the first pressure lever can be embedded with the inner end part of the valve rod, so that when the locking structure is used for screwing the pressure cap pre-installed on the valve body, the phenomenon that the valve rod installed in the valve rod installation hole rotates along with the pressure cap can be avoided, and the phenomenon that the valve rod rotates relative to the valve body can also be avoided; by adopting the locking structure, when a piston rod of the eleventh cylinder extends, the eleventh cylinder can drive the fourth sliding seat, the second servo motor, the first rotating shaft and the second rotating sleeve to move towards one side of the valve body, and after the second rotating sleeve moves towards one side of the valve body, the second sinking groove on the inner wall at the other end of the second rotating sleeve can be matched and spliced with the outer end part of the pressing cap pre-installed in the valve rod installation hole, so that when the second servo motor drives the first rotating shaft and the second rotating sleeve to rotate, the pressing cap pre-installed on the valve body can be screwed down by the second rotating sleeve, it needs to be noted that the number of turns of the second rotating sleeve driven by the second servo motor each time can be set in a controller of the automatic ball valve assembling equipment according to the number of turns required when the pressing cap is screwed down with the valve body, or can be judged according to the torque value of the second servo motor received by the controller in the automatic ball valve assembling equipment, for example, when the torque value reached the setting value (when pressing cap and valve body screwed up), second servo motor stop work, in addition, through adopting above-mentioned structure after, can realize elastic connection between second rotating sleeve and the first rotating shaft, so, when the second rotating sleeve screwed up the pressure cap of preinstallation in the valve rod mounting hole, can make the second rotating sleeve be in the state of leaning on with pressing the cap all the time, can make the second rotating sleeve realize the screwing up to pressing the cap reliably promptly, in addition, when eleventh cylinder drive fourth sliding seat slides so that the second rotates the sleeve and leans on with the pressure cap of preinstallation in the valve rod mounting hole, can avoid the second to rotate the sleeve and will press cap and valve body top to damage.

The invention relates to automatic ball valve assembling equipment, wherein a valve ball assembling station comprises a fifth support, a valve ball vibration feeder, a valve ball conveying rail, a valve ball temporary storage seat and a valve ball assembling mechanism, wherein the fifth support, the valve ball vibration feeder and the valve ball conveying rail are all arranged on a rack, and the valve ball temporary storage seat and the valve ball assembling mechanism are all arranged on the fifth support; a valve ball temporary storage groove is formed in the valve ball temporary storage seat; one end of the valve ball conveying track is connected with the discharge end of the valve ball vibration feeder, the other end of the valve ball conveying track is connected with the valve ball temporary storage seat, the valve ball conveying track is used for conveying the valve balls from the valve ball vibration feeder to a valve ball temporary storage groove on the valve ball temporary storage seat, and the valve ball assembling mechanism is used for assembling the valve balls in the valve ball temporary storage groove into a valve body on a valve body supporting seat; the inner bottom of the valve ball conveying track is fixedly provided with a limiting strip, the limiting strip extends along the length direction of the valve ball conveying track, one end of the limiting strip extends into the discharge end of the valve ball vibration feeding machine, the other end of the limiting strip extends into the valve ball temporary storage groove, the limiting strip is used for being embedded with a second limiting groove located on the outer wall of the valve ball, and after the valve ball falls into the valve ball temporary storage groove, the second limiting groove located on the outer wall of the valve ball is embedded with the other end of the limiting strip; the valve ball assembling mechanism comprises a twelfth air cylinder, a thirteenth air cylinder, a fifth sliding seat, a sixth sliding seat and a suction nozzle, wherein the twelfth air cylinder is fixed on a fifth support, the fifth sliding seat is horizontally and slidably connected onto the fifth support, the fifth sliding seat is fixed with a piston rod of the twelfth air cylinder, the thirteenth air cylinder is fixed on the fifth sliding seat, the sixth sliding seat is vertically and slidably connected onto the fifth sliding seat, the sixth sliding seat is fixed with the piston rod of the thirteenth air cylinder, and the suction nozzle is fixed on the sixth sliding seat; after the limiting strip is fixed on the inner bottom of the valve ball conveying track, the limiting strip can be embedded with the second limiting groove on the outer wall of the valve ball, so that when the valve ball is conveyed by the valve ball conveying track, the valve ball can be positioned and limited, in addition, after the valve ball falls into the temporary valve ball storage groove through the valve ball conveying track, the second limiting groove on the outer wall of the valve ball can be embedded with the other end of the limiting strip, and therefore, the valve ball can be positioned and limited, and the direction of the valve ball after being installed in the valve body through the valve ball assembling mechanism can be determined; in addition, it should be noted that: the outer wall of the valve ball is provided with a limiting groove, and when the valve ball is installed in the valve body, the limiting groove is embedded with the end part of the valve rod, so that the valve rod can drive the valve ball to rotate; furthermore, after the valve ball assembling mechanism is adopted, firstly, a piston rod of the thirteenth cylinder contracts, a piston rod of the twelfth cylinder extends, the suction nozzle is moved to the position above the valve ball temporary storage groove, then, a piston rod of the thirteenth cylinder extends, a suction nozzle on the sixth sliding seat sucks the valve ball in the valve ball temporary storage groove, then, the piston rod of the thirteenth cylinder contracts, the valve ball in the valve ball temporary storage groove is sucked up by the suction nozzle, then, the piston rod of the twelfth cylinder contracts, the valve ball sucked up by the suction nozzle is moved to the position above the valve body, then, the piston rod of the thirteenth cylinder extends, the valve ball sucked up by the suction nozzle is close to the valve body, then, the suction nozzle releases the valve ball, the valve ball falls into the valve body, and finally, the piston rod of the thirteenth cylinder contracts, and the twelfth cylinder drives the suction nozzle to reset.

The automatic ball valve assembling equipment comprises a valve cover gluing station, a rotary driving structure and a gluing structure, wherein the sixth support is arranged on a rack; the rotary driving structure is used for driving the valve cover supporting seat and the valve cover placed on the valve cover supporting seat to rotate, and when the valve cover rotates, the gluing structure is used for smearing glue on the threaded portion on the outer peripheral wall of the valve cover; the rotary driving structure comprises a fourteenth air cylinder, a seventh sliding seat and a third servo motor, the fourteenth air cylinder is fixed on a sixth support, the seventh sliding seat is connected on the sixth support in a sliding manner, the seventh sliding seat is fixed with a piston rod of the fourteenth air cylinder, the fourteenth air cylinder is used for driving the seventh sliding seat to slide along the axial direction of the valve cover, the third servo motor is fixed on the seventh sliding seat, a thimble is fixed on a rotating shaft of the third servo motor, the lower end of the thimble is used for abutting against the valve cover, and when the third servo motor drives the thimble to rotate, the thimble is used for driving the valve cover and the valve cover supporting seat to rotate; the glue spreading structure comprises a fifteenth cylinder and a glue spreading valve, the fifteenth cylinder is fixed on the sixth support, the glue spreading valve is fixed on a driving end of the fifteenth cylinder, the fifteenth cylinder is used for driving the glue spreading valve to move along the radial direction of the valve cover, and the glue spreading valve is used for spreading glue on a threaded part on the outer peripheral wall of the valve cover; a sixteenth air cylinder is fixed on the sixth support, a second pressure rod is fixed on a piston rod of the sixteenth air cylinder, the sixteenth air cylinder is used for driving the second pressure rod to move along the axial direction of the valve body, and the second pressure rod is used for extruding a valve ball pre-installed in the valve body; by adopting the rotary driving structure, when a piston rod of the fourteenth air cylinder extends, the fourteenth air cylinder can drive the seventh sliding seat, the third servo motor and the ejector pin to move downwards, at the moment, the ejector pin can abut against the valve cover on the valve cover supporting seat, when the third servo motor drives the ejector pin to rotate, the ejector pin can drive the valve cover and the valve cover supporting seat for supporting the valve cover to rotate, and when the third servo motor drives the valve cover to rotate for a circle (after the gluing is finished), the third servo motor stops rotating, and a piston rod of the fourteenth air cylinder contracts to drive the seventh sliding seat, the third servo motor and the ejector pin to move upwards and reset; after the glue spreading structure is adopted, when the piston rod of the fifteenth cylinder extends, the glue outlet of the glue spreading valve can be close to the threaded part on the valve cover, in the glue spreading process of the glue spreading valve and when the valve cover rotates, the glue spreading valve can circumferentially spread glue on the threaded part of the valve cover, and after glue spreading (after glue spreading on the threaded part on the valve cover circumferentially), the piston rod of the fifteenth cylinder contracts to drive the glue spreading valve to move and reset; through the setting of sixteenth cylinder and second depression bar, when the piston rod of sixteenth cylinder extended, the valve ball of preinstallation in the valve body can be extruded to the second depression bar, so, can target in place the valve ball installation, and because carry out the gummed in-process at the rubber coating structure to the valve gap, the valve ball of preinstallation in the valve body can be extruded to the second depression bar, can make two processes go on simultaneously promptly to can improve the production efficiency of ball valve.

According to the automatic ball valve assembling device, the valve cover and valve body assembling station comprises a seventh support, a valve cover taking and placing structure and a valve cover pre-screwing structure, the seventh support is installed on the frame, and the valve cover taking and placing structure and the valve cover pre-screwing structure are installed on the seventh support; the valve cover pre-screwing structure is used for pre-screwing the valve cover on the valve body; the valve cover taking and placing structure comprises an eighth sliding seat, a seventeenth air cylinder, a rotary air cylinder and a clamping jaw air cylinder, wherein the seventeenth air cylinder is fixed on a seventh support, the eighth sliding seat is vertically and slidably connected to the seventh support, the eighth sliding seat is fixed with a piston rod of the seventeenth air cylinder, the rotary air cylinder is fixed on the eighth sliding seat, and the clamping jaw air cylinder is fixed on a driving end of the rotary air cylinder; the valve cover pre-tightening structure comprises a ninth sliding seat, an eighteenth air cylinder, a fourth servo motor, a third rotating sleeve and a first rotating rod, the eighteenth air cylinder is fixed on a seventh support, the ninth sliding seat is vertically and slidably connected onto the seventh support, the ninth sliding seat is fixed with a piston rod of the eighteenth air cylinder, the fourth servo motor is fixed onto the ninth sliding seat, one end of the third rotating sleeve is inserted into the ninth sliding seat and is rotatably connected with the ninth sliding seat through a third bearing group, one end of the third rotating sleeve is in transmission connection with a rotating shaft of the fourth servo motor, the other end of the third rotating sleeve is in transmission connection with one end of the first rotating rod, and a third sink groove in a shape of a right hexagon for being embedded with the outer end portion of the valve cover is formed in the inner wall of the other end of the first rotating rod; the other end of the third rotating sleeve is provided with a slot for inserting one end of the first rotating rod, the outer wall of the first rotating rod is provided with a fourth sliding groove extending along the axial direction of the first rotating rod, a second pin shaft extending along the radial direction of the third rotating sleeve is embedded in the third rotating sleeve, the inner end part of the second pin shaft is inserted into the fourth sliding groove and is in sliding connection with the fourth sliding groove, a fifth spring is arranged in the slot, one end of the fifth spring abuts against the inner bottom of the slot, and the other end of the fifth spring abuts against one end of the first rotating rod; the valve cover and valve body screwing station comprises an upright post and a valve cover screwing structure, the upright post is arranged on the rack, and the valve cover screwing structure is arranged on the upright post; the valve cover screwing structure is used for screwing the valve cover pre-installed on the valve body; the valve cover screwing structure comprises a tenth sliding seat, a nineteenth air cylinder, a fifth servo motor, a second rotating rod and a fourth rotating sleeve, the nineteenth air cylinder is fixed on the stand column, the tenth sliding seat is vertically and slidably connected onto the stand column, the tenth sliding seat is fixed with a piston rod of the nineteenth air cylinder, the fifth servo motor is fixed on the tenth sliding seat, one end of the second rotating rod is inserted into the tenth sliding seat and is rotatably connected with the tenth sliding seat through a fourth bearing group, one end of the second rotating rod is in transmission connection with a rotating shaft of the fifth servo motor, the other end of the second rotating rod is in transmission connection with one end of the fourth rotating sleeve, and a right hexagonal fourth sinking groove for being embedded with the outer end portion of the valve cover is formed in the inner wall of the other end of the fourth rotating sleeve; the other end of the second rotating rod is inserted into a fourth rotating sleeve, a pair of fifth sliding grooves are formed in the outer wall of the second rotating rod, each fifth sliding groove extends along the axial direction of the second rotating rod, a pair of third hinge pins are embedded in the side wall of the fourth rotating sleeve, each third hinge pin extends along the radial direction of the fourth rotating sleeve, the inner end portion of each third hinge pin is inserted into one of the fifth sliding grooves and is in sliding connection with the fifth sliding groove, a sixth spring is sleeved outside the second rotating rod, and two ends of the sixth spring are respectively abutted against the second rotating rod and the fourth rotating sleeve; after the valve cover taking and placing structure is adopted, when a valve cover on a valve cover supporting seat needs to be placed on a valve body supporting seat, firstly, a piston rod of a seventeenth cylinder contracts to enable a clamping jaw cylinder to be close to the valve cover on the valve cover supporting seat, then, the clamping jaw cylinder clamps the valve cover on the valve cover supporting seat, then, a piston rod of the seventeenth cylinder extends, meanwhile, a rotary cylinder drives the clamping jaw cylinder to rotate to enable the valve cover on the clamping jaw cylinder to be turned over above the valve body on the valve body supporting seat, then, the piston rod of the seventeenth cylinder contracts, the clamping jaw cylinder releases the valve cover, at the moment, the valve cover is placed on the valve body supporting seat, finally, the piston rod of a seventeenth cylinder extends, and meanwhile, the rotary cylinder drives the clamping jaw cylinder to rotate and reset; after the valve cover pre-tightening structure is adopted, when the valve cover on the valve body needs to be tightened, firstly, the eighteenth air cylinder drives the ninth sliding seat, the fourth servo motor, the third rotating sleeve and the first rotating rod to move downwards, after the first rotating rod moves downwards, the third sinking groove on the inner wall at the other end of the first rotating rod can be embedded with the outer end part of the valve cover, then, the fourth servo motor drives the third rotating sleeve and the first rotating rod to rotate, when the first rotating rod rotates, the valve cover can be pre-tightened on the valve body, then, the fourth servo motor stops rotating, and finally, the eighteenth air cylinder drives the ninth sliding seat, the fourth servo motor, the third rotating sleeve and the first rotating rod to move upwards for resetting; it should be noted that the number of turns of the fourth servo motor driving the first rotating rod to rotate at each time can be set in the controller of the automatic ball valve assembly equipment according to the number of turns of the first rotating rod required to rotate when the valve cover and the valve body are screwed down in advance, and furthermore, by adopting the structure, the first rotating rod and the third rotating sleeve can be elastically connected, so that the first rotating rod can be always in a state of abutting against the valve cover in the process of screwing the valve cover onto the valve body by the first rotating rod, namely, the first rotating rod can reliably realize the screwing of the valve cover and the valve body, and in addition, when the eighteenth cylinder drives the ninth sliding seat to slide so that the first rotating rod abuts against the valve cover on the valve body, the first rotating rod can be prevented from abutting against the valve cover and the valve body; after the valve cover screwing structure is adopted, when the valve cover on the valve body needs to be screwed, firstly, the nineteenth air cylinder drives the tenth sliding seat, the fifth servo motor, the second rotating rod and the fourth rotating sleeve to move downwards, after the fourth rotating sleeve moves downwards, the fourth sinking groove on the inner wall of the other end of the fourth rotating sleeve can be embedded with the outer end part of the valve cover, then, the fifth servo motor drives the second rotating rod and the fourth rotating sleeve to rotate, when the fourth rotating sleeve rotates, the valve cover can be screwed onto the valve body, then, the fifth servo motor stops rotating, and finally, the nineteenth air cylinder drives the tenth sliding seat, the fifth servo motor, the second rotating rod and the fourth rotating sleeve to move upwards and reset; it should be noted that the number of turns of the fourth rotating sleeve driven by the fifth servo motor each time can be judged according to the torque value of the fifth servo motor received by the controller in the automatic ball valve assembling equipment, for example, when the torque value reaches the set value (when the valve cover and the valve body are pre-tightened), the fifth servomotor stops operating, and further, by adopting the structure, the elastic connection between the fourth rotating sleeve and the second rotating rod can be realized, so that, in the process that the fourth rotating sleeve screws the valve cover on the valve body, the fourth rotating sleeve can be always abutted against the valve cover, can make the fourth to rotate the cover and realize screwing up valve gap and valve body reliably promptly, in addition, when the nineteenth cylinder drive tenth sliding seat slides so that the fourth rotates the cover and leans on with the valve gap counterbalance that is located on the valve body, can avoid the fourth to rotate the cover and push up bad with valve gap and valve body.

The automatic ball valve assembling equipment comprises a discharging station, a rotating disc mechanism, a ball valve assembling mechanism and a ball valve assembling mechanism, wherein the discharging station comprises a manipulator mechanism and a conveying belt mechanism, the manipulator mechanism and the conveying belt mechanism are both arranged on a rack, and the manipulator mechanism is used for grabbing the assembled ball valve on the rotating disc mechanism and placing the assembled ball valve on the conveying belt mechanism; a plurality of support columns which are uniformly distributed in the circumferential direction are fixed on the machine frame below the turntable, the upper end of each support column is rotatably connected with a roller, the axis of each roller is perpendicular to the axis of the turntable, and the upper end of each roller is abutted against the lower end surface of the turntable; after the discharging station is adopted, when the assembled ball valve is rotated to the discharging station, the mechanical arm mechanism can grab the assembled ball valve on the valve body supporting seat and place the assembled ball valve on the conveying belt mechanism, and the conveying belt mechanism can convey the assembled ball valve away, namely the discharging station realizes the automatic blanking function of the ball valve; through the setting of support column and gyro wheel, under the effect of support column and gyro wheel, the gyro wheel can realize the reliable support to the carousel to avoid the carousel to appear the phenomenon of slope, thereby reliability and stability when can improve the carousel and rotate.

The valve body, the valve ball sealing ring, the valve rod sealing ring, the pressing cap, the valve rod, the valve ball and the valve cover are assembled together in a mechanical mode, and compared with the traditional mode that the valve body, the valve ball sealing ring, the valve rod sealing ring, the pressing cap, the valve rod, the valve ball and the valve cover are assembled together manually, the assembling efficiency of the ball valve can be improved, the labor intensity of workers can be reduced, and the labor cost of enterprises can be reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application in a non-limiting sense. In the drawings:

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a second perspective view of the present invention;

FIG. 3 is a third perspective view of the present invention;

FIG. 4 is a fourth perspective view of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 1;

FIG. 6 is an enlarged view of the structure at B in FIG. 4;

FIG. 7 is a schematic perspective view of the valve ball seal assembly station mounted on the frame;

FIG. 8 is a schematic perspective view of a valve ball seal assembly mechanism;

FIG. 9 is an enlarged view of the structure of FIG. 7 at C;

FIG. 10 is an enlarged view of D in FIG. 8;

FIG. 11 is a schematic perspective view of the valve stem gasket assembly station mounted on the frame;

FIG. 12 is a schematic view of a first perspective view of a valve stem gasket assembly station;

FIG. 13 is an enlarged view of E of FIG. 11;

FIG. 14 is an enlarged view of F in FIG. 12;

FIG. 15 is a second perspective view of the valve stem gasket assembly station;

FIG. 16 is a schematic perspective view of the press cap assembly station mounted on the frame;

FIG. 17 is a schematic view of a first perspective of a press cap assembly station;

FIG. 18 is an enlarged view of FIG. 16 at G;

FIG. 19 is an enlarged view of H in FIG. 17;

FIG. 20 is a second perspective view of the press cap assembly station;

FIG. 21 is a third perspective view of the press cap assembly station;

FIG. 22 is a fourth perspective view of the press cap assembly station;

FIG. 23 is a schematic perspective view of the cap pressing and tightening station mounted on the frame;

FIG. 24 is a schematic perspective view of a cap pressing and tightening station;

FIG. 25 is a schematic cross-sectional view of the locking structure in the gland tightening station;

FIG. 26 is an enlarged view of the structure at I in FIG. 23;

FIG. 27 is an enlarged view of J of FIG. 24;

FIG. 28 is an enlarged view of K in FIG. 25;

FIG. 29 is a schematic view of a first perspective of the valve ball assembly station mounted on the frame;

FIG. 30 is an enlarged view of L in FIG. 29;

FIG. 31 is an enlarged view of M of FIG. 29;

FIG. 32 is a second perspective view of the valve ball assembly station mounted to the frame;

FIG. 33 is a perspective view of a valve ball;

FIG. 34 is a schematic perspective view of the gluing station for the valve cover mounted on the frame;

FIG. 35 is an enlarged view of the structure of FIG. 34 at N;

FIG. 36 is a schematic perspective view of a valve cover glue station;

FIG. 37 is a schematic perspective view of the assembled position of the valve cover and the valve body mounted on the frame;

FIG. 38 is an enlarged view of O in FIG. 37;

FIG. 39 is a schematic perspective view of a valve cover and valve body assembly station;

FIG. 40 is a schematic cross-sectional structural view of a bonnet pre-tightening arrangement in a bonnet and valve body assembly station;

FIG. 41 is a schematic perspective view of the valve cover and valve body tightening station mounted on the frame;

FIG. 42 is an enlarged view of the structure at P in FIG. 41;

FIG. 43 is a schematic perspective view of a valve cover and valve body tightening station;

fig. 44 is a schematic cross-sectional view of a bonnet tightening structure in a bonnet and valve body tightening station.

Detailed Description

In the following description, numerous implementation-specific details are set forth in order to provide a thorough understanding of the various embodiments of the invention. It should be understood, however, that these practical details are not to be taken in a limiting sense. That is, details on these implementations are not necessary in some embodiments of the present invention. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the "first", "second", etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but merely distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The automatic ball valve assembling equipment comprises a rack 1, a rotary table mechanism 11, a placing station, a valve ball sealing ring assembling station 2, a valve rod sealing ring assembling station 3, a pressing cap assembling station 4, a valve rod assembling station 5, a pressing cap screwing station 6, a valve ball assembling station 7, a valve cover gluing station 8, a valve cover and valve body assembling station 9, a valve cover and valve body screwing station 10 and a discharging station 20 which are sequentially distributed in the circumferential direction around the rotary table mechanism 11; a turntable mechanism 11, a valve ball sealing ring assembling station 2, a valve rod sealing ring assembling station 3, a pressing cap assembling station 4, a valve rod assembling station 5, a pressing cap screwing station 6, a valve ball assembling station 7, a valve cover gluing station 8, a valve cover and valve body assembling station 9, a valve cover and valve body screwing station 10 and a discharging station 20 are all arranged on the frame 1; a plurality of supporting stations 12 are circumferentially arranged on the turntable mechanism 11, each supporting station 12 comprises a valve body supporting seat 121 for supporting a valve body 301 and a valve cover supporting seat 122 for supporting a valve cover 302, the turntable mechanism 11 comprises a turntable 111, a turntable divider 112 and a speed reducing motor 113, the turntable divider 112 is fixed on the frame 1, the speed reducing motor 113 is fixed with the turntable divider 112, an output shaft of the speed reducing motor 113 is in transmission connection with an input shaft of the turntable divider 112, the turntable 111 is fixed on the output shaft of the turntable divider 112, the valve body supporting seat 121 in each supporting station 12 is fixed on the turntable 111, and the valve cover supporting seat 122 in each supporting station 12 is in rotation connection with the turntable 111; the device comprises a placing station, a valve ball sealing ring assembling station 2, a valve rod sealing ring assembling station 3, a pressing cap assembling station 4, a valve rod assembling station 5, a pressing cap screwing station 6, a valve ball assembling station 7, a valve cover gluing station 8, a valve cover and valve body assembling station 9, a valve cover and valve body screwing station 10 and a discharging station 20 which are respectively arranged corresponding to one of the supporting stations 12.

The valve ball sealing ring assembling station 2 comprises a valve ball sealing ring vibration feeding machine 21, a valve ball sealing ring conveying rail 22 and a valve ball sealing ring assembling mechanism 23, the valve ball sealing ring vibration feeding machine 21, the valve ball sealing ring conveying rail 22 and the valve ball sealing ring assembling mechanism 23 are all installed on the rack 1, the discharge end of the valve ball sealing ring vibration feeding machine 21 is connected with the feed end of the valve ball sealing ring conveying rail 22, and the valve ball sealing ring vibration feeding machine 21 is used for conveying a valve ball sealing ring 303 in the valve ball sealing ring vibration feeding machine 21 to the valve ball sealing ring conveying rail 22; the valve ball seal ring delivery track 22 is used for delivering the valve ball seal ring 303 to the valve ball seal ring assembly mechanism 23, and the valve ball seal ring assembly mechanism 23 is used for assembling the valve ball seal ring 303 from the valve ball seal ring delivery track 22 into the valve body 301 and the valve cover 302; the valve ball seal ring assembling mechanism 23 comprises a first support 231, two valve ball seal ring assembling units and two valve ball seal ring temporary storage units, the first support 231 is fixed on the frame 1, the two valve ball seal ring assembling units and the two valve ball seal ring temporary storage units are both arranged on the first support 231, each valve ball seal ring temporary storage unit is respectively positioned below one of the valve ball seal ring assembling units, one of the valve ball seal ring assembling units is used for assembling the valve ball seal ring 303 in the valve ball seal ring temporary storage unit positioned on the corresponding position into the valve body 301, another valve ball packing fitting unit is used to fit the valve ball packing 303 in the valve ball packing temporary storage unit located at the corresponding position into the valve cover 302, the valve ball sealing ring conveying track 22 is used for conveying the valve ball sealing rings 303 to two valve ball sealing ring temporary storage units; each valve ball sealing ring temporary storage unit comprises two rotating arms 232, the two rotating arms 232 in each valve ball sealing ring temporary storage unit are rotatably connected with the first support 231, a temporary storage area 233 for temporarily storing the valve ball sealing ring 303 from the valve ball sealing ring conveying track 22 is formed after the lower ends of the two rotating arms 232 in each valve ball sealing ring temporary storage unit are inwardly closed, a first elastic structure is arranged between each rotating arm 232 and the first support 231, and each first elastic structure is used for driving the rotating arm 232 at the corresponding position to enable the lower end of the rotating arm 232 to rotate inwards; each first elastic structure comprises a first spring 234, one end of each first spring 234 abuts against the upper end of the corresponding rotating arm 232, the other end of each first spring 234 abuts against the first support 231, and the inner wall of the upper end of each rotating arm 232 is provided with a first blind hole 2321 for inserting one end part of the corresponding first spring 234; each sealing ring assembling unit comprises a first insert rod 235, a sleeve 236, a slide block 237, a first air cylinder 238 and a second air cylinder 239, the first air cylinder 238 and the second air cylinder 239 are fixed on the first support 231, the slide block 237 is vertically connected on the first support 231 in a sliding manner, the first insert rod 235 is movably arranged in the sleeve 236 in a penetrating manner, the upper end of the first insert rod 235 is fixed with a piston rod of the first air cylinder 238, the upper end of the sleeve 236 is fixed with the slide block 237, and the slide block 237 is fixed with a piston rod of the second air cylinder 239; when the first plug rod 235 moves downwards, the lower end of the first plug rod 235 is used for penetrating through the valve ball sealing ring 303 in one temporary storage area 233 and then being inserted into the valve body 301 or the valve cover 302, and when the sleeve 236 moves downwards, the lower end of the sleeve 236 is used for pushing the valve ball sealing ring 303 outside the first plug rod 235 and pressing the valve ball sealing ring 303 into the valve body 301 or the valve cover 302; after the valve ball sealing ring assembling station is adopted, the valve ball sealing ring conveying track can supply materials to the two valve ball sealing ring temporary storage units, the two valve ball sealing ring assembling units can simultaneously assemble the valve ball sealing rings in the valve ball sealing ring temporary storage units on the corresponding positions into the valve body and the valve cover, namely the valve body and the valve cover can be simultaneously provided with the valve ball sealing rings, so that the efficiency of installing the valve ball sealing rings on the valve body and the valve cover can be improved, secondly, when the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are inwards closed, the valve ball sealing rings for temporarily storing the valve ball sealing ring conveying track can be formed between the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit, and when the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are outwards opened, the valve ball sealing ring in each temporary storage area can fall into the valve body and the valve cover respectively, moreover, when the piston rod of the first air cylinder drives the first insert rod to move downwards, the lower end of the first insert rod can penetrate through the valve ball sealing ring in the temporary storage area at the corresponding position and then is inserted into the valve body or the valve cover, and when the piston rod of the second air cylinder drives the sliding block to move downwards so that the sliding block drives the sleeve to move downwards, the lower end of the sleeve can push the valve ball sealing ring outside the first insert rod and press the valve ball sealing ring into the valve body or the valve cover; it should be noted that: the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit are inwardly closed, a channel for the lower end of the first inserting rod to movably penetrate is formed between the lower ends of the two rotating arms in each valve ball sealing ring temporary storage unit, the channel is a circular channel, the inner diameter of the channel is larger than the outer diameter of the first inserting rod and smaller than the outer diameter of the valve ball sealing ring and the outer diameter of the sleeve, after the structure is adopted, when the first inserting rod penetrates through the channel between the two rotating arms, the rotating arms can be prevented from rotating, and therefore the lower end of each first inserting rod can be ensured to reliably penetrate through the valve ball sealing ring in the corresponding position and then be inserted into the valve body or the valve cover.

The valve rod sealing ring assembling station 3 comprises a second support 31, a valve rod sealing ring vibration feeding machine 32, a valve rod sealing ring conveying rail 33 and a valve rod sealing ring assembling mechanism 34, the second support 31 is installed on the frame 1, the valve rod sealing ring vibration feeding machine 32 and the valve rod sealing ring assembling mechanism 34 are both installed on the second support 31, the upper end of the valve rod sealing ring conveying rail 33 is connected with the discharge end of the valve rod sealing ring vibration feeding machine 32, and the lower end of the valve rod sealing ring conveying rail 33 is fixed with the second support 31; the valve rod sealing ring vibration feeding machine 32 is used for conveying the valve rod sealing ring 304 in the valve rod sealing ring vibration feeding machine 32 to the valve rod sealing ring conveying track 33; the valve rod seal conveying rail 33 is used for conveying the valve rod seal 304 to the valve rod seal assembling mechanism 34, and the valve rod seal assembling mechanism 34 is used for assembling the valve rod seal 304 from the valve rod seal conveying rail 33 to the valve rod mounting hole 3011 on the valve body 301; the stem packing assembly mechanism 34 includes a stem packing temporary storage unit including a third cylinder 341 and a first temporary storage holder 342, and a stem packing assembly unit including a fourth cylinder 343, a fifth cylinder 344, a first sliding holder 345, a second insert rod 346, and a top cover 347; the third air cylinder 341 is fixed on the second support 31, the first temporary storage seat 342 is fixed with the driving end of the third air cylinder 341, a first temporary storage groove 3421 for temporarily storing the valve rod sealing ring 304 is arranged on the first temporary storage seat 342, a first opening 3422 for allowing the valve rod sealing ring 304 from the valve rod sealing ring conveying track 33 to fall into the first temporary storage groove 3421 is arranged at the upper end of the first temporary storage groove 3421, the third air cylinder 341 is used for driving the first temporary storage seat 342 to slide along the radial direction of the second insertion rod 346, after the piston rod of the third air cylinder 341 is extended, the axis of the valve rod sealing ring 304 in the first temporary storage groove 3421 is overlapped with the axis of the second insertion rod 346, and after the piston rod of the third air cylinder 341 is contracted, the first opening 3422 is vertically aligned with the discharging end of the valve rod sealing ring conveying track 33; a fourth cylinder 343 and a fifth cylinder 344 are fixed on the second support 31, the first sliding seat 345 is slidably connected on the second support 31, the second insert rod 346 is movably arranged in the top sleeve 347, one end of the second insert rod 346 is fixed with the piston rod of the fourth cylinder 343, one end of the top sleeve 347 is fixed with the first sliding seat 345, the first sliding seat 345 is fixed with the piston rod of the fifth cylinder 344, the fourth cylinder 343 is used for driving the second insert rod to move along the axial direction of the valve rod sealing ring 304 in the first temporary storage groove 3421, and the fifth cylinder 344 is used for driving the first sliding seat 345 and the top sleeve 347 so that the first sliding seat 345 and the top sleeve 347 move along the axial direction of the valve rod sealing ring 304 in the first temporary storage groove 3421; the first temporary storage seat 342 is provided with a first through hole 3423 communicated with the first temporary storage groove 3421, after the piston rod of the third cylinder 341 is extended, and when the piston rod of the fourth cylinder 343 is extended, the first through hole 3423 and the valve stem sealing ring 304 positioned in the first temporary storage groove 3421 are used for the second insertion rod 346 to pass through so that the valve stem sealing ring 304 positioned in the first temporary storage groove 3421 is sleeved outside the second insertion rod 346, and the inner diameter of the first through hole 3423 is smaller than the outer diameter of the valve stem sealing ring 304; a second opening 3424 is formed in a side wall of the first temporary storage groove 3421, after the piston rod of the fourth cylinder 343 is extended, and when the piston rod of the third cylinder 341 is contracted, the second opening 3424 is used for allowing the second insert rod 346 and the valve stem sealing ring 304 sleeved outside the second insert rod 346 to slide out of the first temporary storage seat 342 laterally; when the piston rod of the fifth cylinder 344 is extended, the fifth cylinder 344 is used for driving the first sliding seat 345 and the top sleeve 347 to move along the axial direction of the second plug rod 346, so that the top sleeve 347 presses the valve rod sealing ring 304 positioned outside the second plug rod 346 into the valve rod mounting hole 3011 positioned on the valve body 301; a first rotating frame 348 is rotatably connected to the first temporary storage seat 342, one end of the first rotating frame 348 is used for shielding the second opening 3424, a second elastic structure is arranged between the other end of the first rotating frame 348 and the first temporary storage seat 342, and the second elastic structure is used for driving the first rotating frame 348 to rotate so that one end of the first rotating frame 348 shields the second opening 3424; the second elastic structure comprises a second spring 349, one end of the second spring 349 abuts against the first temporary storage seat 342, the other end of the second spring 349 abuts against the other end of the first rotating frame 348, and the other end of the first rotating frame 348 is provided with a second blind hole 3481 for inserting the other end portion of the second spring 349; a first sliding groove 3245 is arranged at the upper end of the first temporary storage seat 342, the first sliding groove 3245 extends along the sliding direction of the first temporary storage seat 342, the first sliding groove 3245 is used for partially embedding the valve rod sealing ring 304 from the valve rod sealing ring conveying track 33, and one end of the first sliding groove 3245 is communicated with the first opening 3422; after the valve rod sealing ring assembling station is adopted, when a piston rod of a third air cylinder contracts, a first temporary storage groove positioned on a first temporary storage seat can be vertically aligned with a discharge end of a valve rod sealing ring conveying track, at the moment, the valve rod sealing ring positioned in the valve rod sealing ring conveying track can fall into the first temporary storage groove through a first opening, after a piston rod of the third air cylinder extends, and when a piston rod of a fourth air cylinder extends, a second insertion rod can penetrate through the valve rod sealing ring positioned in the first temporary storage groove and then is inserted into a valve rod mounting hole on a valve body, after the piston rod of the fourth air cylinder extends, and when the piston rod of the third air cylinder contracts, the second insertion rod and the valve rod sealing ring positioned in the first temporary storage groove can slide out from the first temporary storage groove through a second opening laterally, and after the second insertion rod and the valve rod sealing ring slide out from the first temporary storage groove laterally, the one end of first rotating frame can shelter from the second opening under elastic construction's effect, when the piston rod of fifth cylinder extends, the fifth cylinder can drive first sliding seat and top cover and move along the axial direction of second inserted bar so that the top cover will be located the outside valve rod sealing washer of second inserted bar and impress in the valve rod mounting hole that is located the valve body, in addition, through the setting of first spout, when the piston rod of third cylinder extends, come from the valve rod sealing washer of valve rod sealing washer delivery track and can fall into first spout, when the piston rod of third cylinder contracts, the valve rod sealing washer that is located in first spout can enter into first groove of keeping in through first opening, so, can make the valve rod sealing washer that comes from valve rod sealing washer delivery track conveniently supply in first groove of keeping in.

The cap pressing assembly station 4 comprises a third support 41, a cap pressing vibration feeding machine 42, a cap pressing conveying rail 43 and a cap pressing assembly mechanism 44, the third support 41 is mounted on the rack 1, the cap pressing vibration feeding machine 42 and the cap pressing assembly mechanism 44 are both mounted on the third support 41, the upper end of the cap pressing conveying rail 43 is connected with the discharge end of the cap pressing vibration feeding machine 42, and the lower end of the cap pressing conveying rail 43 is fixed with the third support 41; the cap pressing vibration feeder 42 is used for conveying the cap pressing 305 located in the cap pressing vibration feeder 42 into the cap pressing conveying track 43; the press cap conveying track 43 is used for conveying the press cap 305 to the press cap assembling mechanism 44, and the press cap assembling mechanism 44 is used for assembling the press cap 305 from the press cap conveying track 43 into the valve rod mounting hole 3011 on the valve body 301; the cap pressing assembly mechanism 44 includes a cap pressing temporary storage unit and a cap pressing assembly unit, the cap pressing temporary storage unit includes a sixth cylinder 441 and a second temporary storage seat 442, the cap pressing assembly unit includes a seventh cylinder 443, an eighth cylinder 444, a first servo motor 445, a second sliding seat 446, a transmission case 447, a third insertion rod 448 and a first rotating sleeve 449; the sixth air cylinder 441 is fixed on the third support 41, the second temporary storage seat 442 is fixed with the driving end of the sixth air cylinder 441, a second temporary storage groove 4421 for temporarily storing the press cap 305 is arranged on the second temporary storage seat 442, a third opening 4422 for allowing the press cap 305 from the press cap conveying track 43 to fall into the second temporary storage groove 4421 is arranged at the upper end of the second temporary storage groove 4421, the sixth air cylinder 441 is used for driving the second temporary storage seat 442 to slide along the radial direction of the third insertion rod 448, after the piston rod of the sixth air cylinder 441 extends, the axis of the press cap 305 in the second temporary storage groove 4421 is overlapped with the axis of the third insertion rod 448, and after the piston rod of the sixth air cylinder 441 contracts, the third opening 4422 is vertically aligned with the discharge end of the press cap conveying track 43; the seventh air cylinder 443 and the eighth air cylinder 444 are both fixed on the third support 41, the second sliding seat 446 is slidably connected on the third support 41, the first servomotor 445 and the transmission case 447 are both fixed on the second sliding seat 446, one end of the first rotating sleeve 449 is inserted into the transmission case 447 and is rotatably connected with the transmission case 447 through the first bearing set 4491, the inner wall of the other end of the first rotating sleeve 449 is provided with a first hexagonal sinking groove 4492 for matching and inserting with the outer end of the pressing cap 305, the first rotating sleeve 449 is in transmission connection with the rotating shaft of the first servomotor 445, the third insertion rod 448 is movably inserted into the first rotating sleeve 449, one end of the third insertion rod 448 is fixed with the piston rod of the seventh air cylinder 443, the second sliding seat 446 is fixed with the piston rod of the eighth air cylinder 444, the seventh air cylinder 443 is used for driving the third insertion rod 448 to move along the axial direction of the pressing cap 305 located in the second temporary storage groove 4421, the eighth cylinder 444 is for driving the second sliding seat 446, the first servomotor 445, the transmission case 447, and the first rotating sleeve 449 to move the second sliding seat 446, the first servomotor 445, the transmission case 447, and the first rotating sleeve 449 in the axial direction of the press cap 305 located in the second temporary storage groove 4421; a second through hole 4423 communicated with the second temporary storage groove 4421 is arranged in the second temporary storage seat 442, after the piston rod of the sixth air cylinder 441 extends, and when the piston rod of the seventh air cylinder 443 extends, the second through hole 4423 and the press cap 305 in the second temporary storage groove 4421 are used for allowing the third insertion rod 448 to pass through so that the press cap 305 in the second temporary storage groove 4421 is sleeved outside the third insertion rod 448, and the inner diameter of the second through hole 4423 is smaller than the outer diameter of the press cap 305; a fourth opening 4424 is arranged on the side wall of the second temporary storage groove 4421, after the piston rod of the seventh air cylinder 443 is extended, and when the piston rod of the sixth air cylinder 441 is contracted, the fourth opening 4424 is used for allowing the third insertion rod 448 and the pressing cap 305 sleeved outside the third insertion rod 448 to slide out of the second temporary storage seat 442; when the piston rod of the eighth cylinder 444 is extended, the eighth cylinder 444 is used for driving the second sliding seat 446 and the first rotating sleeve 449 to move along the axial direction of the third inserting rod 448 so that the first rotating sleeve 449 presses the pressing cap 305 located outside the third inserting rod 448 against the valve rod mounting hole 3011 located on the valve body 301; when the first servo motor 445 drives the first rotating sleeve 449 to rotate, the first rotating sleeve 449 is used for screwing the pressing cap 305 into the valve rod mounting hole 3011 on the valve body 301; a second rotating frame 4425 is rotatably connected to the second temporary storage seat 442, one end of the second rotating frame 4425 is used for shielding the fourth opening 4424, and an elastic structure is arranged between the other end of the second rotating frame 4425 and the second temporary storage seat 442 and is used for driving the second rotating frame 4425 to rotate so that one end of the second rotating frame 4425 shields the fourth opening 4424; the elastic structure comprises a third spring 4426, one end of the third spring 4426 abuts against the second temporary storage seat 442, the other end of the third spring 4426 abuts against the other end of the second rotating frame 4425, and the other end of the second rotating frame 4425 is provided with a third blind hole 4427 for inserting the other end part of the third spring 4426; a first belt pulley 4471, a second belt pulley 4472 and a transmission belt 4473 are arranged in the transmission case 447, the first belt pulley 4471 is fixed with a rotating shaft of the first servo motor 445, the second belt pulley 4472 is sleeved outside the first rotating sleeve 449 and fixed with the first rotating sleeve 449, and the second belt pulley 4472 is in transmission connection with the first belt pulley 4471 through the transmission belt 4473; the upper end of the second temporary storage seat 442 is provided with a second sliding groove 4428, the second sliding groove 4428 extends along the sliding direction of the second temporary storage seat 442, the second sliding groove 4428 is used for partially embedding the press cap 305 from the press cap conveying track 43, and one end of the second sliding groove 4428 is communicated with the third opening 4422; after the pressing cap assembling station is adopted, when a piston rod of a sixth air cylinder contracts, a second temporary storage groove on a second temporary storage seat can be vertically aligned with a discharge end of a pressing cap conveying track, at the moment, a pressing cap in the pressing cap conveying track can fall into the second temporary storage groove through a third opening, after the piston rod of the sixth air cylinder extends, and when a piston rod of a seventh air cylinder extends, a third insertion rod can penetrate through the pressing cap in the second temporary storage groove and then be inserted into a valve rod mounting hole in a valve body, after the piston rod of the seventh air cylinder extends, and when the piston rod of the sixth air cylinder contracts, the third insertion rod and the pressing cap in the second temporary storage groove can slide out from the second temporary storage groove through a fourth opening, after the third insertion rod and the pressing cap slide out from the second temporary storage groove, one end of a second rotating frame can shield the fourth opening under the action of an elastic structure, when a piston rod of the eighth cylinder extends, the eighth cylinder can drive the second sliding seat and the first rotating sleeve to move along the axial direction of the third inserting rod so that the first rotating sleeve can tightly press a pressing cap positioned outside the third inserting rod to a valve rod mounting hole positioned on the valve body, when the first servo motor drives the first rotating sleeve to rotate, a first sinking groove positioned on the inner wall at the other end of the first rotating sleeve can be matched and spliced with the outer end part of the pressing cap, and the first rotating sleeve can drive the pressing cap to rotate so as to pre-screw the pressing cap into the valve rod mounting hole positioned on the valve body, in addition, through the arrangement of the second sliding groove, when the piston rod of the sixth cylinder extends, the pressing cap from the pressing cap conveying track can fall into the second sliding groove, when a piston rod of the sixth cylinder contracts, the pressing cap positioned in the second sliding groove can enter the second temporary storage groove through the third opening, in this way, the pressing caps from the pressing cap conveying track can be conveniently supplemented into the second temporary storage groove; it should be noted that the number of turns of the first rotating sleeve driven by the first servo motor each time can be set in the controller of the automatic ball valve assembling device according to the number of turns of the first rotating sleeve required when the pressing cap and the valve body are screwed down in advance.

The valve rod assembling station 5 comprises a valve rod vibration feeding machine 51 and a valve rod assembling mechanism 52, wherein the valve rod vibration feeding machine 51 and the valve rod assembling mechanism 52 are both installed on the rack 1, the valve rod vibration feeding machine 51 is used for conveying a valve rod to the valve rod assembling mechanism 52, and the valve rod assembling mechanism 52 is used for assembling the valve rod from the valve rod vibration feeding machine 51 into a valve rod installing hole 3011 on the valve body 301; after the valve rod assembling station is adopted, the valve rod can be conveniently assembled in a valve rod mounting hole on the valve body, in addition, a valve rod vibration feeding machine and a valve rod assembling mechanism in the valve rod assembling station are both in the prior art, for example, the valve rod assembling mechanism can adopt an automatic valve rod assembling machine disclosed in the Chinese patent publication No. CN103737278A, and therefore the invention is not repeated herein.

The cap pressing and screwing station 6 comprises a fourth bracket 61, and the fourth bracket 61 is arranged on the machine frame 1; a pressing structure and a locking structure are arranged on the fourth bracket 61, the pressing structure is used for pressing the valve body 301 on the valve body supporting seat 121, and the locking structure is used for screwing the pressing cap 305 which is pre-installed in the valve rod installation hole 3011 on the valve body 301; the pressing structure comprises a ninth cylinder 621, a third sliding seat 622 and a pressing sleeve 623, the ninth cylinder 621 is fixed on the fourth support 61, the third sliding seat 622 is vertically and slidably connected on the fourth support 61, the third sliding seat 622 is fixed with a piston rod of the ninth cylinder 621, the pressing sleeve 623 is fixed on the third sliding seat 622, and when the piston rod of the ninth cylinder 621 extends, the third sliding seat 622 is used for driving the pressing sleeve 623 to move downwards so that the pressing sleeve 623 is inserted into the valve body 301 and presses the valve body 301; the pressing structure further comprises a tenth air cylinder 624 and a first pressure lever 625, the tenth air cylinder 624 is fixed on the fourth support 61, the first pressure lever 625 is movably arranged in the third sliding seat 622 and the pressing sleeve 623 in a penetrating manner, the upper end of the first pressure lever 625 is fixed with a piston rod of the tenth air cylinder 624, a first limit groove 6251 used for being embedded with the inner end of a valve rod installed in the valve rod installation hole 3011 is arranged on the outer wall of the lower end of the first pressure lever 625, and when the piston rod of the tenth air cylinder 624 extends, the lower end of the first pressure lever 625 is used for being inserted into the valve body 301 so that the first limit groove 6251 on the outer wall of the first pressure lever 625 is embedded with the inner end of the valve rod; the locking structure comprises an eleventh air cylinder 631, a fourth sliding seat 632, a second servo motor 633, a first rotating shaft 634 and a second rotating sleeve 635, wherein the eleventh air cylinder 631 is fixed on the fourth bracket 61, the fourth sliding seat 632 is slidably connected on the fourth bracket 61, the eleventh air cylinder 631 is used for driving the fourth sliding seat 632 to enable the fourth sliding seat 632 to slide along the axial direction of the valve rod mounting hole 3011, one end of the first rotating shaft 634 extends into the fourth sliding seat 632 and is rotatably connected with the fourth sliding seat 632 through a second bearing set 6432, the second servo motor 633 is fixed on the fourth sliding seat 632, one end of the first rotating shaft 634 is in transmission connection with the rotating shaft of the second servo motor 633, one end of the second rotating sleeve 635 is in transmission connection with the other end of the first rotating shaft 634, the inner wall of the other end of the second rotating sleeve 635 is provided with a hexagonal second sinking groove 6351 which is used for being matched and inserted with the outer end part of a pressing cap pre-installed in the valve rod installation hole 3011; one end of the second rotating sleeve 635 is sleeved outside the other end of the first rotating shaft 634, a pair of third sliding grooves 6341 is arranged on the outer wall of the other end of the first rotating shaft 634, each third sliding groove 6341 extends along the axial direction of the first rotating shaft 634, a pair of first pin shafts 636 is embedded on the side wall of the second rotating sleeve 635, the inner end of each first pin shaft 636 is inserted into one of the third sliding grooves 6341 and is in sliding connection with the third sliding groove 6341, a fourth spring 637 is arranged inside the second rotating sleeve 635, one end of the fourth spring 637 abuts against the inner bottom of the second rotating sleeve 635, and the other end of the fourth spring 637 abuts against the other end of the first rotating shaft 634; after the pressing cap is adopted to screw the station, when a piston rod of the ninth cylinder extends, the ninth cylinder can drive the third sliding seat to move downwards, when the third sliding seat moves downwards, the third sliding seat can drive the pressing sleeve to move downwards so that the pressing sleeve is inserted into the valve body and presses the valve body tightly, and after the valve body is pressed, when the locking structure screws the pressing cap pre-installed on the valve body, the phenomena of jumping and displacement of the valve body can be avoided; through the arrangement of the tenth air cylinder and the first pressure lever, when a piston rod of the tenth air cylinder extends, the lower end of the first pressure lever can be inserted into the valve body, and the first limiting groove positioned on the outer wall of the first pressure lever can be embedded with the inner end part of the valve rod, so that when the locking structure is used for screwing the pressure cap pre-installed on the valve body, the phenomenon that the valve rod installed in the valve rod installation hole rotates along with the pressure cap can be avoided, and the phenomenon that the valve rod rotates relative to the valve body can also be avoided; by adopting the locking structure, when the piston rod of the eleventh cylinder extends, the eleventh cylinder can drive the fourth sliding seat, the second servo motor, the first rotating shaft and the second rotating sleeve to move towards one side of the valve body, and after the second rotating sleeve moves towards one side of the valve body, the second sinking groove on the inner wall at the other end of the second rotating sleeve can be matched and spliced with the outer end part of the pressing cap pre-installed in the valve rod installation hole, so that when the second servo motor drives the first rotating shaft and the second rotating sleeve to rotate, the pressing cap pre-installed on the valve body can be screwed down by the second rotating sleeve, it needs to be noted that the number of turns of the second rotating sleeve driven by the second servo motor each time can be set in the controller of the automatic ball valve assembling equipment according to the number of turns required to rotate when the pressing cap is screwed down with the valve body, or can be judged according to the torque value of the second servo motor received by the controller in the automatic ball valve assembling equipment, for example, when the torque value reached the setting value (when pressing cap and valve body to be screwed up), second servo motor stop work, in addition, through adopting above-mentioned structure after, can realize elastic connection between second rotation cover and the first rotation axis, so, when the second rotates the cover and screws up the pressure cap of preinstallation in the valve rod mounting hole, can make the second rotate the cover all the time with press the cap to be in the state of leaning on, can make the second rotate the cover and realize reliably screwing up to pressing the cap promptly, in addition, when eleventh cylinder drive fourth sliding seat slip so that the second rotates the cover and leans on with the pressure cap of preinstallation in the valve rod mounting hole, can avoid the second to rotate the cover and will press cap and valve body top to damage.

The valve ball assembling station 7 comprises a fifth support 71, a valve ball vibration feeding machine 72, a valve ball conveying rail 73, a valve ball temporary storage seat 74 and a valve ball assembling mechanism, wherein the fifth support 71, the valve ball vibration feeding machine 72 and the valve ball conveying rail 73 are all installed on the rack 1, and the valve ball temporary storage seat 74 and the valve ball assembling mechanism are all installed on the fifth support 71; a valve ball temporary storage groove 741 is arranged on the valve ball temporary storage seat 74; one end of the valve ball conveying track 73 is connected with the discharge end of the valve ball vibration feeder 72, the other end of the valve ball conveying track 73 is connected with the valve ball temporary storage seat 74, the valve ball conveying track 73 is used for conveying the valve ball 306 from the valve ball vibration feeder 72 to a valve ball temporary storage groove 741 positioned on the valve ball temporary storage seat 74, and the valve ball assembling mechanism is used for assembling the valve ball 306 positioned in the valve ball temporary storage groove 741 into the valve body 301 positioned on the valve body supporting seat 121; a limiting strip 731 is fixed on the inner bottom of the valve ball conveying track 73, the limiting strip 731 extends along the length direction of the valve ball conveying track 73, one end of the limiting strip 731 extends into the discharging end of the valve ball vibration feeding machine 72, the other end of the limiting strip 731 extends into the valve ball temporary storage groove 741, the limiting strip 731 is used for being embedded with a second limiting groove 3061 located on the outer wall of the valve ball 306, and after the valve ball 306 falls into the valve ball temporary storage groove 741, the second limiting groove 3061 located on the outer wall of the valve ball 306 is embedded with the other end of the limiting strip 731; the valve ball assembling mechanism comprises a twelfth air cylinder 751, a thirteenth air cylinder 752, a fifth sliding seat 753, a sixth sliding seat 754 and a suction nozzle 755, the twelfth air cylinder 751 is fixed on the fifth bracket 71, the fifth sliding seat 753 is horizontally and slidably connected on the fifth bracket 71, the fifth sliding seat 753 is fixed with a piston rod of the twelfth air cylinder 751, the thirteenth air cylinder 752 is fixed on the fifth sliding seat 753, the sixth sliding seat 754 is vertically and slidably connected on the fifth sliding seat 753, the sixth sliding seat 754 is fixed with the piston rod of the thirteenth air cylinder 752, and the suction nozzle 755 is fixed on the sixth sliding seat 754; after the limiting strip is fixed on the inner bottom of the valve ball conveying track, the limiting strip can be embedded with the second limiting groove on the outer wall of the valve ball, so that the valve ball can be positioned and limited when conveyed by the valve ball conveying track, in addition, after the valve ball falls into the temporary storage groove of the valve ball through the valve ball conveying track, the second limiting groove on the outer wall of the valve ball can be embedded with the other end of the limiting strip, and therefore, the positioning and limiting effects on the valve ball can be realized, and the direction of the valve ball after being installed in the valve body through the valve ball assembling mechanism can be determined; in addition, it should be noted that: the outer wall of the valve ball is provided with a limiting groove, and when the valve ball is installed in the valve body, the limiting groove is embedded with the end part of the valve rod, so that the valve rod can drive the valve ball to rotate; furthermore, after the valve ball assembling mechanism is adopted, firstly, a piston rod of the thirteenth cylinder contracts, a piston rod of the twelfth cylinder extends, the suction nozzle is moved to the position above the valve ball temporary storage groove, then, the piston rod of the thirteenth cylinder extends, the suction nozzle on the sixth sliding seat sucks the valve ball in the valve ball temporary storage groove, then, the piston rod of the thirteenth cylinder contracts, the valve ball in the valve ball temporary storage groove is sucked up by the suction nozzle, then, the piston rod of the twelfth cylinder contracts, the valve ball sucked up by the suction nozzle is moved to the position above the valve body, then, the piston rod of the thirteenth cylinder extends, the valve ball sucked up by the suction nozzle is close to the valve body, then, the suction nozzle releases the valve ball, the valve ball falls into the valve body, and finally, the piston rod of the thirteenth cylinder contracts, and the suction nozzle of the twelfth cylinder drives the resetting.

The valve cover gluing station 8 comprises a sixth support 81, a rotary driving structure 82 and a gluing structure 83, wherein the sixth support 81 is arranged on the frame 1, and the rotary driving structure 82 and the gluing structure 83 are both arranged on the sixth support 81; the rotary driving structure 82 is used for driving the valve cover supporting seat 122 and the valve cover 302 placed on the valve cover supporting seat 122 to rotate, and when the valve cover 302 rotates, the glue coating structure 83 is used for coating glue on a threaded part on the outer peripheral wall of the valve cover 302; the rotary driving structure 82 comprises a fourteenth air cylinder 821, a seventh sliding seat 822 and a third servo motor 823, the fourteenth air cylinder 821 is fixed on the sixth support 81, the seventh sliding seat 822 is slidably connected on the sixth support 81, the seventh sliding seat 822 is fixed with a piston rod of the fourteenth air cylinder 821, the fourteenth air cylinder 821 is used for driving the seventh sliding seat 822 to slide along the axial direction of the valve cover 302, the third servo motor 823 is fixed on the seventh sliding seat 822, a thimble 824 is fixed on a rotating shaft of the third servo motor 823, the lower end of the thimble 824 is used for abutting against the valve cover 302, and when the third servo motor 823 drives the thimble 824 to rotate, the thimble 824 is used for driving the valve cover 302 and the support seat 122 to rotate; the glue spreading structure 83 comprises a fifteenth air cylinder 831 and a glue spreading valve 832, wherein the fifteenth air cylinder 831 is fixed on the sixth bracket 81, the glue spreading valve 832 is fixed on a driving end of the fifteenth air cylinder 831, the fifteenth air cylinder 831 is used for driving the glue spreading valve 832 to move along the radial direction of the valve cover 302, and the glue spreading valve 832 is used for spreading glue on a threaded part on the outer peripheral wall of the valve cover 302; a sixteenth air cylinder 841 is fixed on the sixth support 81, a second pressure lever 842 is fixed on a piston rod of the sixteenth air cylinder 841, the sixteenth air cylinder 841 is used for driving the second pressure lever 842 to move along the axial direction of the valve body 301, and the second pressure lever 842 is used for extruding a valve ball pre-installed in the valve body 301; by adopting the rotary driving structure, when a piston rod of the fourteenth cylinder extends, the fourteenth cylinder can drive the seventh sliding seat, the third servo motor and the ejector pin to move downwards, at the moment, the ejector pin can abut against the valve cover on the valve cover supporting seat, when the third servo motor drives the ejector pin to rotate, the ejector pin can drive the valve cover and the valve cover supporting seat for supporting the valve cover to rotate, and when the third servo motor drives the valve cover to rotate for a circle (glue coating is finished), the third servo motor stops rotating, and the piston rod of the fourteenth cylinder contracts to drive the seventh sliding seat, the third servo motor and the ejector pin to move upwards and reset; after the glue spreading structure is adopted, when the piston rod of the fifteenth cylinder extends, the glue outlet of the glue spreading valve can be close to the threaded part on the valve cover, in the glue spreading process of the glue spreading valve and when the valve cover rotates, the glue spreading valve can circumferentially spread glue on the threaded part of the valve cover, and after glue spreading (after the glue is circumferentially spread on the threaded part on the valve cover), the piston rod of the fifteenth cylinder contracts to drive the glue spreading valve to move and reset; through the setting of sixteenth cylinder and second depression bar, when the piston rod of sixteenth cylinder extended, the second depression bar can extrude the valve ball of preinstallation in the valve body, so, can target in place the valve ball installation, and because carry out the gummed in-process to the valve bonnet at the rubber coating structure, the second depression bar can extrude the valve ball of preinstallation in the valve body, can make two processes go on simultaneously promptly to can improve the production efficiency of ball valve.

The valve cover and valve body assembling station 9 comprises a seventh support 91, a valve cover taking and placing structure 92 and a valve cover pre-screwing structure 93, the seventh support 91 is installed on the machine frame 1, and the valve cover taking and placing structure 92 and the valve cover pre-screwing structure 93 are both installed on the seventh support 91; the valve cover taking and placing structure 92 is used for grabbing the valve cover 302 and placing the valve cover 302 on the valve body 301, and the valve cover pre-tightening structure 93 is used for pre-tightening the valve cover 302 on the valve body 301 onto the valve body 301; the valve cover taking and placing structure 92 comprises an eighth sliding seat 921, a seventeenth air cylinder 922, a rotary air cylinder 923 and a clamping jaw air cylinder 924, wherein the seventeenth air cylinder 922 is fixed on the seventh support 91, the eighth sliding seat 921 is vertically and slidably connected on the seventh support 91, the eighth sliding seat 921 is fixed with a piston rod of the seventeenth air cylinder 922, the rotary air cylinder 923 is fixed on the eighth sliding seat 921, and the clamping jaw air cylinder 924 is fixed on a driving end of the rotary air cylinder 923; the bonnet pre-tightening structure 93 includes a ninth sliding seat 931, an eighteenth cylinder 932, a fourth servo motor 933, a third rotating sleeve 934 and a first rotating rod 935, wherein an eighteenth air cylinder 932 is fixed on the seventh support 91, a ninth sliding seat 931 is vertically and slidably connected on the seventh support 91, the ninth sliding seat 931 is fixed with a piston rod of the eighteenth air cylinder 932, the fourth servo motor 933 is fixed on the ninth sliding seat 931, one end of the third rotating sleeve 934 is inserted into the ninth sliding seat 931 and rotatably connected with the ninth sliding seat 931 through a third bearing group 9341, one end of the third rotating sleeve 934 is in transmission connection with a rotating shaft of the fourth servo motor 933, the other end of the third rotating sleeve 934 is in transmission connection with one end of the first rotating rod 935, and a third sinking groove 9352 in a shape of a regular hexagon for being embedded with the outer end of the valve cover 935 is arranged on the inner wall of the other end of the first rotating rod 935; a slot 9342 for inserting one end of the first rotating rod 935 into is arranged at the other end of the third rotating sleeve 934, a fourth sliding groove 9351 extending along the axial direction of the first rotating rod 935 is arranged on the outer wall of the first rotating rod 935, a second pin shaft 936 extending along the radial direction of the third rotating sleeve 934 is embedded in the third rotating sleeve 934, the inner end of the second pin shaft 936 is inserted into the fourth sliding groove 9351 and is in sliding connection with the fourth sliding groove 9351, a fifth spring 937 is arranged in the slot 9342, one end of the fifth spring 937 abuts against the inner bottom of the slot 9342, and the other end of the fifth spring 937 abuts against one end of the first rotating rod 935; the valve cover and valve body screwing station 10 comprises a stand column 101 and a valve cover screwing structure 102, wherein the stand column 101 is installed on the rack 1, and the valve cover screwing structure 102 is installed on the stand column 101; the bonnet tightening structure 102 is used for tightening a bonnet 302 pre-installed on the valve body 301; the valve cover screwing structure 102 comprises a tenth sliding seat 1021, a nineteenth air cylinder 1022, a fifth servo motor 1023, a second rotating rod 1024 and a fourth rotating sleeve 1025, wherein the nineteenth air cylinder 1022 is fixed on the upright post 101, the tenth sliding seat 1021 is vertically and slidably connected to the upright post 101, the tenth sliding seat 1021 and a piston rod of the nineteenth air cylinder 1022 are fixed, the fifth servo motor 1023 is fixed on the tenth sliding seat 1021, one end of the second rotating rod 1024 is inserted into the tenth sliding seat 1021 and is rotatably connected with the tenth sliding seat 1021 through a fourth bearing group 1026, one end of the second rotating rod 1024 is in transmission connection with a rotating shaft of the fifth servo motor 1023, the other end of the second rotating rod 1024 is in transmission connection with one end of the fourth rotating sleeve 1025, and a right-hexagonal fourth sunk groove 1027 for being embedded with an outer end part of the valve cover is arranged on the inner wall of the other end of the fourth rotating sleeve 1025; the other end of the second rotating rod 1024 is inserted into the fourth rotating sleeve 1025, a pair of fifth sliding grooves 1028 is arranged on the outer wall of the second rotating rod 1024, each fifth sliding groove 1028 extends along the axial direction of the second rotating rod 1024, a pair of third pin shafts 1029 is embedded in the side wall of the fourth rotating sleeve 1025, each third pin shaft 1029 extends along the radial direction of the fourth rotating sleeve 1025, the inner end of each third pin shaft 1029 is inserted into one of the fifth sliding grooves 1028 and is in sliding connection with the fifth sliding groove 1028, a sixth spring 1020 is sleeved outside the second rotating rod 1024, and two ends of the sixth spring 1020 are respectively abutted against the second rotating rod 1024 and the fourth rotating sleeve 1025; after the valve cover taking and placing structure is adopted, when the valve cover on the valve cover supporting seat needs to be placed on the valve body supporting seat, firstly, a piston rod of a seventeenth cylinder contracts to enable a clamping jaw cylinder to be close to the valve cover on the valve cover supporting seat, then, the clamping jaw cylinder clamps the valve cover on the valve cover supporting seat, then, a piston rod of the seventeenth cylinder extends, meanwhile, a rotary cylinder drives the clamping jaw cylinder to rotate to enable the valve cover on the clamping jaw cylinder to be turned over above the valve body on the valve body supporting seat, then, the piston rod of the seventeenth cylinder contracts, the clamping jaw cylinder releases the valve cover, at the moment, the valve cover is placed on the valve body supporting seat, finally, the piston rod of a seventeenth cylinder extends, and meanwhile, the rotary cylinder drives the clamping jaw cylinder to rotate and reset; after the valve cover pre-tightening structure is adopted, when the valve cover on the valve body needs to be tightened, firstly, the eighteenth air cylinder drives the ninth sliding seat, the fourth servo motor, the third rotating sleeve and the first rotating rod to move downwards, after the first rotating rod moves downwards, the third sinking groove on the inner wall at the other end of the first rotating rod can be embedded with the outer end part of the valve cover, then, the fourth servo motor drives the third rotating sleeve and the first rotating rod to rotate, when the first rotating rod rotates, the valve cover can be pre-tightened on the valve body, then, the fourth servo motor stops rotating, and finally, the eighteenth air cylinder drives the ninth sliding seat, the fourth servo motor, the third rotating sleeve and the first rotating rod to move upwards for resetting; it should be noted that the number of turns of the fourth servo motor driving the first rotating rod to rotate at each time can be set in the controller of the automatic ball valve assembly equipment according to the number of turns of the first rotating rod required to rotate when the valve cover and the valve body are screwed down in advance, and furthermore, by adopting the structure, the first rotating rod and the third rotating sleeve can be elastically connected, so that the first rotating rod can be always in a state of abutting against the valve cover in the process of screwing the valve cover onto the valve body by the first rotating rod, namely, the first rotating rod can reliably realize the screwing of the valve cover and the valve body, and in addition, when the eighteenth cylinder drives the ninth sliding seat to slide so that the first rotating rod abuts against the valve cover on the valve body, the first rotating rod can be prevented from abutting against the valve cover and the valve body; after the valve cover screwing structure is adopted, when the valve cover on the valve body needs to be screwed, firstly, the nineteenth air cylinder drives the tenth sliding seat, the fifth servo motor, the second rotating rod and the fourth rotating sleeve to move downwards, after the fourth rotating sleeve moves downwards, the fourth sinking groove on the inner wall of the other end of the fourth rotating sleeve can be embedded with the outer end part of the valve cover, then, the fifth servo motor drives the second rotating rod and the fourth rotating sleeve to rotate, when the fourth rotating sleeve rotates, the valve cover can be screwed onto the valve body, then, the fifth servo motor stops rotating, and finally, the nineteenth air cylinder drives the tenth sliding seat, the fifth servo motor, the second rotating rod and the fourth rotating sleeve to move upwards and reset; it should be noted that the number of turns of the fourth rotating sleeve driven by the fifth servo motor each time can be judged according to the torque value of the fifth servo motor received by the controller in the automatic ball valve assembling equipment, for example, when the torque value reaches the set value (when the valve cover and the valve body are pre-tightened), the fifth servomotor stops operating, and further, by adopting the structure, the elastic connection between the fourth rotating sleeve and the second rotating rod can be realized, so that, in the process that the fourth rotating sleeve screws the valve cover on the valve body, the fourth rotating sleeve can be always abutted against the valve cover, can make the fourth to rotate the cover and realize screwing up valve gap and valve body reliably promptly, in addition, when the nineteenth cylinder drive tenth sliding seat slides so that the fourth rotates the cover and leans on with the valve gap counterbalance that is located on the valve body, can avoid the fourth to rotate the cover and push up bad with valve gap and valve body.

The discharging station 20 comprises a manipulator mechanism 201 and a conveyer belt mechanism 202, the manipulator mechanism 201 and the conveyer belt mechanism 202 are both arranged on the frame 1, and the manipulator mechanism 201 is used for grabbing the assembled ball valve on the turntable mechanism 11 and placing the assembled ball valve on the conveyer belt mechanism 202; a plurality of support columns 114 which are uniformly distributed in the circumferential direction are fixed on the machine frame 1 below the turntable 111, the upper end of each support column 114 is rotatably connected with a roller 115, the axis of each roller 115 is vertical to the axis of the turntable 111, and the upper end of each roller 115 is abutted against the lower end face of the turntable 111; after the discharging station is adopted, when the assembled ball valve is rotated to the discharging station, the mechanical arm mechanism can grab the assembled ball valve on the valve body supporting seat and place the assembled ball valve on the conveying belt mechanism, and the conveying belt mechanism can convey the assembled ball valve away, namely the discharging station realizes the automatic blanking function of the ball valve; through the setting of support column and gyro wheel, under the effect of support column and gyro wheel, the gyro wheel can realize the reliable support to the carousel to avoid the carousel phenomenon of slope to appear, thereby reliability and stability when can improve the carousel and rotate.

When the valve body and the valve cover are used, the valve body and the valve cover are respectively placed on the valve body supporting seat and the valve cover supporting seat in the supporting station in a manual mode through the placing station, when the valve body and the valve cover are in work, the valve body and the valve cover which are positioned at the placing station are rotated to the valve ball sealing ring assembling station by the turntable mechanism, the valve ball sealing ring can be assembled on the valve body and the valve cover by the valve ball sealing ring assembling station, after the valve body and the valve cover are assembled with the valve ball sealing ring, the valve body and the valve cover are rotated to the valve rod sealing ring assembling station by the turntable mechanism, the valve rod sealing ring can be assembled in the valve rod mounting hole which is positioned on the valve body by the valve rod sealing ring assembling station, the valve body and the valve cover are rotated to the gland assembling station by the turntable mechanism after the valve rod sealing ring is assembled on the valve body, the gland assembling station can assemble the gland in the valve rod mounting hole which is positioned on the valve body and pre-tighten the gland, after the valve body is assembled with the press cap, the valve body and the valve cover are rotated to a valve rod assembling station by the turntable mechanism, the valve rod can be assembled in a valve rod mounting hole on the valve body by the valve rod assembling station, after the valve body is assembled with the valve rod, the valve body and the valve cover can be rotated to a press cap screwing station by the turntable mechanism, the press cap pre-assembled on the valve body can be screwed by the press cap screwing station, after the press cap on the valve body is screwed, the valve body and the valve cover are rotated to a valve ball assembling station by the turntable mechanism, the valve ball can be assembled into the valve body by the valve ball assembling station, after the valve body is assembled with the valve ball, the valve body and the valve cover can be rotated to a valve cover gluing station by the turntable mechanism, glue can be circumferentially coated on the threaded part of the valve cover by the valve cover gluing station, and the valve ball pre-assembled in the valve body can be extruded by a second pressure rod in the valve cover gluing station, so that the valve ball and the valve body can be reliably assembled, after valve gap coating glue, carousel mechanism can rotate valve gap and valve body assembly station department with valve body and valve gap, valve gap and valve body assembly station can snatch the valve gap that is located on the valve gap supporting seat and screw up the valve gap in advance on the valve body, the valve gap is screwed up in advance on the valve body after, carousel mechanism can rotate the valve body that is equipped with the valve gap and valve body screw up station department, the valve gap that valve gap and valve body screw up the station can screw up the valve gap of screwing up on the valve body in advance, valve gap and valve body are screwed up the back, carousel mechanism can rotate ejection of compact station department with the ball valve after the assembly is accomplished, the ball valve after the assembly is accomplished is rotated ejection of compact station department after, ejection of compact station can be got away the ball valve that just assembled after being located on the valve body supporting seat from the valve body supporting seat.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a ball valve automatic assembly equipment which characterized in that: the valve ball sealing ring automatic assembling machine comprises a rack (1), a turntable mechanism (11), and a placing station, a valve ball sealing ring assembling station (2), a valve rod sealing ring assembling station (3), a pressing cap assembling station (4), a valve rod assembling station (5), a pressing cap screwing station (6), a valve ball assembling station (7), a valve cover gluing station (8), a valve cover and valve body assembling station (9), a valve cover and valve body screwing station (10) and a discharging station (20) which are sequentially distributed in the circumferential direction around the turntable mechanism (11); the rotary table mechanism (11), the valve ball sealing ring assembling station (2), the valve rod sealing ring assembling station (3), the pressing cap assembling station (4), the valve rod assembling station (5), the pressing cap screwing station (6), the valve ball assembling station (7), the valve cover gluing station (8), the valve cover and valve body assembling station (9), the valve cover and valve body screwing station (10) and the discharging station (20) are all arranged on the rack (1); a plurality of supporting stations (12) are circumferentially arranged on the turntable mechanism (11), each supporting station (12) comprises a valve body supporting seat (121) for supporting the valve body (301) and a valve cover supporting seat (122) for supporting the valve cover (302), the turntable mechanism (11) comprises a turntable (111), a turntable splitter (112) and a speed reducing motor (113), the turntable divider (112) is fixed on the frame (1), the speed reducing motor (113) is fixed with the turntable divider (112), an output shaft of the speed reducing motor (113) is in transmission connection with an input shaft of the turntable divider (112), the rotary table (111) is fixed on an output shaft of the rotary table divider (112), a valve body supporting seat (121) in each supporting station (12) is fixed on the rotary table (111), and a valve cover supporting seat (122) in each supporting station (12) is rotatably connected to the rotary table (111); the device comprises a placing station, a valve ball sealing ring assembling station (2), a valve rod sealing ring assembling station (3), a pressing cap assembling station (4), a valve rod assembling station (5), a pressing cap screwing station (6), a valve ball assembling station (7), a valve cover gluing station (8), a valve cover and valve body assembling station (9), a valve cover and valve body screwing station (10) and a discharging station (20), wherein the placing station, the valve ball sealing ring assembling station (2), the valve rod sealing ring assembling station (3), the pressing cap assembling station (4), the valve rod assembling station (5), the pressing cap screwing station (6), the valve ball assembling station (7), the valve cover gluing station (8), the valve cover and valve body assembling station (9), the valve cover and valve body screwing station (10) and the discharging station (20) are respectively arranged corresponding to one of the supporting stations (12).

2. The automatic ball valve assembling equipment according to claim 1, wherein the valve ball sealing ring assembling station (2) comprises a valve ball sealing ring vibration feeder (21), a valve ball sealing ring conveying track (22) and a valve ball sealing ring assembling mechanism (23), the valve ball sealing ring vibration feeder (21), the valve ball sealing ring conveying track (22) and the valve ball sealing ring assembling mechanism (23) are all installed on the rack (1), the discharge end of the valve ball sealing ring vibration feeder (21) is connected with the feed end of the valve ball sealing ring conveying track (22), and the valve ball sealing ring vibration feeder (21) is used for conveying a valve ball sealing ring (303) located in the valve ball sealing ring vibration feeder (21) into the valve ball sealing ring conveying track (22); the valve ball sealing ring conveying track (22) is used for conveying the valve ball sealing ring (303) to a valve ball sealing ring assembling mechanism (23), and the valve ball sealing ring assembling mechanism (23) is used for assembling the valve ball sealing ring (303) from the valve ball sealing ring conveying track (22) into the valve body (301) and the valve cover (302); valve ball sealing washer assembly devices (23) are including first support (231), two valve ball sealing washer assembly element and two valve ball sealing washer temporary storage units, first support (231) are fixed in frame (1), two valve ball sealing washer assembly element and two valve ball sealing washer temporary storage unit all installs on first support (231), every valve ball sealing washer temporary storage unit is located one of them valve ball sealing washer assembly element's below respectively, one of them valve ball sealing washer assembly element is arranged in assembling valve body (301) with valve ball sealing washer (303) that are arranged in the valve ball sealing washer temporary storage unit on corresponding position, another valve ball sealing washer assembly element is arranged in assembling valve cover (302) with valve ball sealing washer (303) that are arranged in the valve ball sealing washer temporary storage unit on corresponding position, valve ball sealing washer delivery track (22) are arranged in carrying two valve ball sealing washer (303) valve ball sealing washer temporary storage unit In the unit; each valve ball sealing ring temporary storage unit comprises two rotating arms (232), the two rotating arms (232) in each valve ball sealing ring temporary storage unit are rotatably connected with a first support (231), a temporary storage area (233) for temporarily storing a valve ball sealing ring (303) from a valve ball sealing ring conveying track (22) is formed after the lower ends of the two rotating arms (232) in each valve ball sealing ring temporary storage unit are inwardly closed, a first elastic structure is arranged between each rotating arm (232) and the first support (231), and each first elastic structure is used for driving the rotating arm (232) in the corresponding position to enable the lower end of the rotating arm (232) to rotate inwardly; each first elastic structure comprises a first spring (234), one end of each first spring (234) abuts against the upper end of a rotating arm (232) at a corresponding position, the other end of each first spring (234) abuts against a first support (231), and a first blind hole (2321) for inserting one end part of each first spring (234) at the corresponding position is formed in the inner wall of the upper end of each rotating arm (232); each sealing ring assembling unit comprises a first insert rod (235), a sleeve (236), a sliding block (237), a first air cylinder (238) and a second air cylinder (239), the first air cylinder (238) and the second air cylinder (239) are fixed on a first support (231), the sliding block (237) is vertically and slidably connected onto the first support (231), the first insert rod (235) is movably arranged in the sleeve (236) in a penetrating mode, the upper end of the first insert rod (235) is fixed with a piston rod of the first air cylinder (238), the upper end of the sleeve (236) is fixed with the sliding block (237), and the sliding block (237) is fixed with a piston rod of the second air cylinder (239); when the first insert rod (235) moves downwards, the lower end of the first insert rod (235) is used for penetrating through a valve ball sealing ring (303) in one temporary storage area (233) and then is inserted into the valve body (301) or the valve cover (302), and when the sleeve (236) moves downwards, the lower end of the sleeve (236) is used for pushing the valve ball sealing ring (303) outside the first insert rod (235) and pressing the valve ball sealing ring (303) into the valve body (301) or the valve cover (302).

3. The automatic ball valve assembling equipment according to claim 1, wherein the valve rod sealing ring assembling station (3) comprises a second support (31), a valve rod sealing ring vibration feeding machine (32), a valve rod sealing ring conveying rail (33) and a valve rod sealing ring assembling mechanism (34), the second support (31) is installed on the machine frame (1), the valve rod sealing ring vibration feeding machine (32) and the valve rod sealing ring assembling mechanism (34) are installed on the second support (31), the upper end of the valve rod sealing ring conveying rail (33) is connected with the discharge end of the valve rod sealing ring vibration feeding machine (32), and the lower end of the valve rod sealing ring conveying rail (33) is fixed with the second support (31); the valve rod sealing ring vibration feeding machine (32) is used for conveying the valve rod sealing ring (304) in the valve rod sealing ring vibration feeding machine (32) to a valve rod sealing ring conveying track (33); the valve rod sealing ring conveying track (33) is used for conveying the valve rod sealing ring (304) to a valve rod sealing ring assembling mechanism (34), and the valve rod sealing ring assembling mechanism (34) is used for assembling the valve rod sealing ring (304) from the valve rod sealing ring conveying track (33) to a valve rod mounting hole (3011) on the valve body (301); the valve rod sealing ring assembling mechanism (34) comprises a valve rod sealing ring temporary storage unit and a valve rod sealing ring assembling unit, the valve rod sealing ring temporary storage unit comprises a third air cylinder (341) and a first temporary storage seat (342), and the valve rod sealing ring assembling unit comprises a fourth air cylinder (343), a fifth air cylinder (344), a first sliding seat (345), a second insert rod (346) and a top sleeve (347); the third air cylinder (341) is fixed on the second bracket (31), the first temporary storage seat (342) is fixed with the driving end of the third air cylinder (341), a first temporary storage groove (3421) for temporarily storing the valve rod sealing ring (304) is arranged on the first temporary storage seat (342), the upper end of the first temporary storage groove (3421) is provided with a first opening (3422) for the valve rod sealing ring (304) from the valve rod sealing ring conveying track (33) to fall into the first temporary storage groove (3421), the third air cylinder (341) is used for driving the first temporary storage seat (342) to slide along the radial direction of the second inserting rod (346), after the piston rod of the third air cylinder (341) is extended, the axis of the valve rod sealing ring (304) positioned in the first temporary storage groove (3421) is coincided with the axis of the second inserting rod (346), after a piston rod of the third air cylinder (341) contracts, the first opening (3422) is vertically aligned with the discharge end of the valve rod sealing ring conveying track (33); the fourth cylinder (343) and the fifth cylinder (344) are both fixed on the second bracket (31), the first sliding seat (345) is connected on the second bracket (31) in a sliding way, the second inserted bar (346) is movably arranged in the top sleeve (347) in a penetrating way, one end of the second inserting rod (346) is fixed with a piston rod of a fourth cylinder (343), one end of the top sleeve (347) is fixed with a first sliding seat (345), the first sliding seat (345) is fixed with a piston rod of a fifth cylinder (344), the fourth air cylinder (343) is used for driving the second insert rod (346) to move along the axial direction of the valve rod sealing ring (304) positioned in the first temporary storage groove (3421), the fifth air cylinder (344) is used for driving the first sliding seat (345) and the top sleeve (347) to enable the first sliding seat (345) and the top sleeve (347) to move along the axial direction of the valve rod sealing ring (304) located in the first temporary storage groove (3421); a first through hole (3423) communicated with the first temporary storage groove (3421) is formed in the first temporary storage seat (342), after the piston rod of the third air cylinder (341) extends, and when the piston rod of the fourth air cylinder (343) extends, the first through hole (3423) and the valve rod sealing ring (304) in the first temporary storage groove (3421) are used for allowing the second insert rod (346) to pass through so that the valve rod sealing ring (304) in the first temporary storage groove (3421) is sleeved outside the second insert rod (346), and the inner diameter of the first through hole (3423) is smaller than the outer diameter of the valve rod sealing ring (304); a second opening (3424) is arranged on the side wall of the first temporary storage groove (3421), after the piston rod of the fourth cylinder (343) is extended, and when the piston rod of the third cylinder (341) is contracted, the second opening (3424) is used for laterally sliding the second insertion rod (346) and the valve rod sealing ring (304) sleeved outside the second insertion rod (346) out of the first temporary storage seat (342); when the piston rod of the fifth air cylinder (344) is extended, the fifth air cylinder (344) is used for driving the first sliding seat (345) and the top sleeve (347) to move along the axial direction of the second plug rod (346) so that the top sleeve (347) presses the valve rod sealing ring (304) located outside the second plug rod (346) into the valve rod mounting hole (3011) located on the valve body (301); a first rotating frame (348) is rotatably connected to the first temporary storage seat (342), one end of the first rotating frame (348) is used for shielding the second opening (3424), a second elastic structure is arranged between the other end of the first rotating frame (348) and the first temporary storage seat (342), and the second elastic structure is used for driving the first rotating frame (348) to rotate so that one end of the first rotating frame (348) shields the second opening (3424); the second elastic structure comprises a second spring (349), one end of the second spring (349) abuts against the first temporary storage seat (342), the other end of the second spring (349) abuts against the other end of the first rotating frame (348), and a second blind hole (3481) for inserting the other end part of the second spring (349) is formed in the other end of the first rotating frame (348); the upper end of first temporary storage seat (342) is provided with first spout (3245), first spout (3245) extend along the slip direction of first temporary storage seat (342), first spout (3245) are used for supplying valve rod sealing washer (304) part embedding from valve rod sealing washer delivery track (33), the one end and the first opening (3422) intercommunication of first spout (3245).

4. The automatic ball valve assembling equipment according to claim 1, wherein the cap pressing assembling station (4) comprises a third bracket (41), a cap pressing vibration feeding machine (42), a cap pressing conveying rail (43) and a cap pressing assembling mechanism (44), the third bracket (41) is installed on the rack (1), the cap pressing vibration feeding machine (42) and the cap pressing assembling mechanism (44) are installed on the third bracket (41), the upper end of the cap pressing conveying rail (43) is connected with the discharge end of the cap pressing vibration feeding machine (42), and the lower end of the cap pressing conveying rail (43) is fixed with the third bracket (41); the cap pressing vibration feeding machine (42) is used for conveying the cap pressing (305) in the cap pressing vibration feeding machine (42) to the cap pressing conveying track (43); the press cap conveying track (43) is used for conveying the press cap (305) to a press cap assembling mechanism (44), and the press cap assembling mechanism (44) is used for assembling the press cap (305) from the press cap conveying track (43) into a valve rod mounting hole (3011) on the valve body (301); the cap pressing assembly mechanism (44) comprises a cap pressing temporary storage unit and a cap pressing assembly unit, the cap pressing temporary storage unit comprises a sixth air cylinder (441) and a second temporary storage seat (442), and the cap pressing assembly unit comprises a seventh air cylinder (443), an eighth air cylinder (444), a first servo motor (445), a second sliding seat (446), a transmission case (447), a third insertion rod (448) and a first rotating sleeve (449); the sixth air cylinder (441) is fixed on the third bracket (41), the second temporary storage seat (442) is fixed with the driving end of the sixth air cylinder (441), a second temporary storage groove (4421) for temporarily storing the press cap (305) is arranged on the second temporary storage seat (442), the upper end of the second temporary storage groove (4421) is provided with a third opening (4422) for falling the press cap (305) from the press cap conveying track (43) into the second temporary storage groove (4421), the sixth air cylinder (441) is used for driving the second temporary storage seat (442) to slide along the radial direction of the third inserting rod (448), after the piston rod of the sixth air cylinder (441) is extended, the axis of the pressing cap (305) positioned in the second temporary storage groove (4421) is coincided with the axis of a third inserting rod (448), after a piston rod of the sixth air cylinder (441) contracts, the third opening (4422) is vertically aligned with the discharge end of the cap pressing conveying track (43); the seventh air cylinder (443) and the eighth air cylinder (444) are fixed on a third support (41), the second sliding seat (446) is connected on the third support (41) in a sliding manner, the first servo motor (445) and the transmission case (447) are fixed on the second sliding seat (446), one end of the first rotating sleeve (449) is arranged in the transmission case (447) in a penetrating manner and is connected with the transmission case (447) in a rotating manner through a first bearing group (4491), a first sinking groove (4492) which is in a hexagonal shape and is used for being matched and plugged with the outer end part of the pressing cap (305) is arranged on the inner wall of the other end of the first rotating sleeve (449), the first rotating sleeve (449) is connected with a rotating shaft of the first servo motor (445) in a transmission manner, the third inserting rod (448) is movably arranged in the first rotating sleeve (449) in a penetrating manner, one end of the third inserting rod (448) is fixed with a piston rod of the seventh air cylinder (443), the second sliding seat (446) is fixed with a piston rod of an eighth cylinder (444), the seventh cylinder (443) is used for driving a third inserting rod (448) to move along the axial direction of the press cap (305) in the second temporary storage groove (4421), and the eighth cylinder (444) is used for driving the second sliding seat (446), the first servo motor (445), the transmission case (447) and the first rotating sleeve (449) to move the second sliding seat (446), the first servo motor (445), the transmission case (447) and the first rotating sleeve (449) along the axial direction of the press cap (305) in the second temporary storage groove (4421); a second through hole (4423) communicated with the second temporary storage groove (4421) is formed in the second temporary storage seat (442), after the piston rod of the sixth air cylinder (441) extends, and when the piston rod of the seventh air cylinder (443) extends, the second through hole (4423) and the press cap (305) in the second temporary storage groove (4421) are used for allowing a third insert rod (448) to pass through so that the press cap (305) in the second temporary storage groove (4421) can be sleeved outside the third insert rod (448), and the inner diameter of the second through hole (4423) is smaller than the outer diameter of the press cap (305); a fourth opening (4424) is formed in the side wall of the second temporary storage groove (4421), after the piston rod of the seventh air cylinder (443) extends, and when the piston rod of the sixth air cylinder (441) contracts, the fourth opening (4424) is used for enabling the third insertion rod (448) and the pressing cap (305) sleeved outside the third insertion rod (448) to slide out of the second temporary storage seat (442) laterally; when the piston rod of the eighth cylinder (444) is extended, the eighth cylinder (444) is used for driving the second sliding seat (446) and the first rotating sleeve (449) to move along the axial direction of the third inserting rod (448) so that the first rotating sleeve (449) presses the pressing cap (305) positioned outside the third inserting rod (448) at the valve rod mounting hole (3011) positioned on the valve body (301); when the first servo motor (445) drives the first rotating sleeve (449) to rotate, the first rotating sleeve (449) is used for screwing the pressing cap (305) into the valve rod mounting hole (3011) on the valve body (301); a second rotating frame (4425) is rotatably connected to the second temporary storage seat (442), one end of the second rotating frame (4425) is used for shielding the fourth opening (4424), an elastic structure is arranged between the other end of the second rotating frame (4425) and the second temporary storage seat (442), and the elastic structure is used for driving the second rotating frame (4425) to rotate so as to enable one end of the second rotating frame (4425) to shield the fourth opening (4424); the elastic structure comprises a third spring (4426), one end of the third spring (4426) abuts against the second temporary storage seat (442), the other end of the third spring (4426) abuts against the other end of the second rotating frame (4425), and the other end of the second rotating frame (4425) is provided with a third blind hole (4427) for inserting the other end part of the third spring (4426); a first belt pulley (4471), a second belt pulley (4472) and a transmission belt (4473) are arranged in the transmission case (447), the first belt pulley (4471) is fixed with a rotating shaft of the first servo motor (445), the second belt pulley (4472) is sleeved outside the first rotating sleeve (449) and fixed with the first rotating sleeve (449), and the second belt pulley (4472) is in transmission connection with the first belt pulley (4471) through the transmission belt (4473); the upper end of the second temporary storage seat (442) is provided with a second sliding groove (4428), the second sliding groove (4428) extends along the sliding direction of the second temporary storage seat (442), the second sliding groove (4428) is used for partially embedding a pressing cap (305) from a pressing cap conveying track (43), and one end of the second sliding groove (4428) is communicated with a third opening (4422).

5. The automatic ball valve assembling equipment according to claim 1, wherein the valve rod assembling station (5) comprises a valve rod vibration feeding machine (51) and a valve rod assembling mechanism (52), the valve rod vibration feeding machine (51) and the valve rod assembling mechanism (52) are both installed on the machine frame (1), the valve rod vibration feeding machine (51) is used for conveying a valve rod to the valve rod assembling mechanism (52), and the valve rod assembling mechanism (52) is used for assembling the valve rod from the valve rod vibration feeding machine (51) into a valve rod installing hole (3011) on the valve body (301).

6. Automatic ball valve assembling equipment according to claim 1, characterized in that said capping and screwing station (6) comprises a fourth bracket (61), said fourth bracket (61) being mounted on the frame (1); a compression structure and a locking structure are mounted on the fourth support (61), the compression structure is used for compressing the valve body (301) on the valve body supporting seat (121), and the locking structure is used for screwing a compression cap (305) which is pre-mounted in a valve rod mounting hole (3011) on the valve body (301); the compressing structure comprises a ninth cylinder (621), a third sliding seat (622) and a pressing sleeve (623), the ninth cylinder (621) is fixed on a fourth support (61), the third sliding seat (622) is vertically and slidably connected onto the fourth support (61), the third sliding seat (622) is fixed with a piston rod of the ninth cylinder (621), the pressing sleeve (623) is fixed on the third sliding seat (622), and when the piston rod of the ninth cylinder (621) extends, the third sliding seat (622) is used for driving the pressing sleeve (623) to move downwards so that the pressing sleeve (623) is inserted into the valve body (301) and compresses the valve body (301); the compaction structure further comprises a tenth air cylinder (624) and a first pressure lever (625), the tenth air cylinder (624) is fixed on the fourth support (61), the first pressure lever (625) is movably arranged in the third sliding seat (622) and the pressure sleeve (623) in a penetrating manner, the upper end of the first pressure lever (625) is fixed with a piston rod of the tenth air cylinder (624), a first limiting groove (6251) used for being embedded with the inner end part of a valve rod installed in the valve rod installation hole (3011) is formed in the outer wall of the lower end of the first pressure lever (625), and when the piston rod of the tenth air cylinder (624) extends, the lower end of the first pressure lever (625) is used for being inserted into the valve body (301) so that the first limiting groove (6251) on the outer wall of the first pressure lever (625) is embedded with the inner end part of the valve rod; the locking structure comprises an eleventh air cylinder (631), a fourth sliding seat (632), a second servo motor (633), a first rotating shaft (634) and a second rotating sleeve (635), wherein the eleventh air cylinder (631) is fixed on the fourth support (61), the fourth sliding seat (632) is slidably connected on the fourth support (61), the eleventh air cylinder (631) is used for driving the fourth sliding seat (632) to enable the fourth sliding seat (632) to slide along the axial direction of the valve rod mounting hole (3011), one end of the first rotating shaft (634) extends into the fourth sliding seat (632) and is rotatably connected with the fourth sliding seat (632) through a second bearing set (6432), the second servo motor (633) is fixed on the fourth sliding seat (632), one end of the first rotating shaft (634) is in transmission connection with the rotating shaft of the second servo motor (633), one end of the second rotating sleeve (635) is in transmission connection with the other end of the first rotating shaft (634), a hexagonal second sinking groove (6351) which is used for being matched and plugged with the outer end part of a pressing cap pre-installed in the valve rod installation hole (3011) is formed in the inner wall of the other end of the second rotating sleeve (635); one end of the second rotating sleeve (635) is sleeved outside the other end of the first rotating shaft (634), a pair of third sliding grooves (6341) is arranged on the outer wall of the other end of the first rotating shaft (634), each third sliding groove (6341) extends along the axial direction of the first rotating shaft (634), a pair of first pin shafts (636) is embedded in the side wall of the second rotating sleeve (635), the inner end of each first pin shaft (636) is inserted into one of the third sliding grooves (6341) and is in sliding connection with the third sliding groove (6341), a fourth spring (637) is arranged inside the second rotating sleeve (635), one end of the fourth spring (637) abuts against the inner bottom of the second rotating sleeve (635), and the other end of the fourth spring (637) abuts against the other end of the first rotating shaft (634).

7. The automatic ball valve assembling equipment according to claim 1, wherein the valve ball assembling station (7) comprises a fifth bracket (71), a valve ball vibration feeder (72), a valve ball conveying rail (73), a valve ball temporary storage seat (74) and a valve ball assembling mechanism, the fifth bracket (71), the valve ball vibration feeder (72) and the valve ball conveying rail (73) are all installed on the machine frame (1), and the valve ball temporary storage seat (74) and the valve ball assembling mechanism are all installed on the fifth bracket (71); a valve ball temporary storage groove (741) is arranged on the valve ball temporary storage seat (74); one end of the valve ball conveying track (73) is connected with the discharge end of the valve ball vibration feeder (72), the other end of the valve ball conveying track (73) is connected with the valve ball temporary storage seat (74), the valve ball conveying track (73) is used for conveying the valve balls (306) from the valve ball vibration feeder (72) to a valve ball temporary storage groove (741) on the valve ball temporary storage seat (74), and the valve ball assembling mechanism is used for assembling the valve balls (306) in the valve ball temporary storage groove (741) to a valve body (301) on the valve body support seat (121); a limiting strip (731) is fixed on the inner bottom of the valve ball conveying track (73), the limiting strip (731) extends along the length direction of the valve ball conveying track (73), one end of the limiting strip (731) extends into the discharge end of the valve ball vibration feeder (72), the other end of the limiting strip (731) extends into the valve ball temporary storage groove (741), the limiting strip (731) is used for being embedded with a second limiting groove (3061) located on the outer wall of the valve ball (306), after the valve ball (306) falls into the valve ball temporary storage groove (741), the second limiting groove (3061) located on the outer wall of the valve ball (306) is embedded with the other end of the limiting strip (731); the valve ball assembling mechanism comprises a twelfth air cylinder (751), a thirteenth air cylinder (752), a fifth sliding seat (753), a sixth sliding seat (754) and a suction nozzle (755), wherein the twelfth air cylinder (751) is fixed on a fifth support (71), the fifth sliding seat (753) is horizontally connected onto the fifth support (71) in a sliding mode, the fifth sliding seat (753) is fixed with a piston rod of the twelfth air cylinder (751), the thirteenth air cylinder (752) is fixed onto the fifth sliding seat (753), the sixth sliding seat (754) is vertically connected onto the fifth sliding seat (753) in a sliding mode, the sixth sliding seat (754) is fixed with a piston rod of the thirteenth air cylinder (752), and the suction nozzle (755) is fixed onto the sixth sliding seat (754).

8. The automatic ball valve assembling equipment according to claim 1, wherein the valve cover gluing station (8) comprises a sixth bracket (81), a rotary driving structure (82) and a gluing structure (83), the sixth bracket (81) is installed on the frame (1), and the rotary driving structure (82) and the gluing structure (83) are both installed on the sixth bracket (81); the rotary driving structure (82) is used for driving the valve cover supporting seat (122) and the valve cover (302) placed on the valve cover supporting seat (122) to rotate, and when the valve cover (302) rotates, the gluing structure (83) is used for smearing glue on a threaded part on the outer peripheral wall of the valve cover (302); the rotary driving structure (82) comprises a fourteenth air cylinder (821), a seventh sliding seat (822) and a third servo motor (823), the fourteenth air cylinder (821) is fixed on the sixth bracket (81), the seventh sliding seat (822) is connected on the sixth bracket (81) in a sliding way, the seventh sliding seat (822) is fixed with a piston rod of a fourteenth air cylinder (821), the fourteenth air cylinder (821) is used for driving the seventh sliding seat (822) to slide along the axial direction of the valve cover (302), the third servo motor (823) is fixed on the seventh sliding seat (822), a thimble (824) is fixed on a rotating shaft of the third servo motor (823), the lower end of the thimble (824) is used for abutting against the valve cover (302), when the third servo motor (823) drives the thimble (824) to rotate, the ejector pin (824) is used for driving the valve cover (302) and the valve cover supporting seat (122) to rotate; the gluing structure (83) comprises a fifteenth air cylinder (831) and a glue dispensing valve (832), the fifteenth air cylinder (831) is fixed on the sixth bracket (81), the glue dispensing valve (832) is fixed on a driving end of the fifteenth air cylinder (831), the fifteenth air cylinder (831) is used for driving the glue dispensing valve (832) to move along the radial direction of the valve cover (302), and the glue dispensing valve (832) is used for coating glue on a threaded part on the outer peripheral wall of the valve cover (302); be fixed with sixteenth cylinder (841) on sixth support (81), be fixed with second depression bar (842) on the piston rod of sixteenth cylinder (841), sixteenth cylinder (841) are used for driving second depression bar (842) along the axial direction removal of valve body (301), second depression bar (842) are used for the extrusion to install the valve ball in valve body (301) in advance.

9. The automatic ball valve assembling equipment according to claim 1, wherein the valve cover and valve body assembling station (9) comprises a seventh support (91), a valve cover taking and placing structure (92) and a valve cover pre-tightening structure (93), the seventh support (91) is installed on the machine frame (1), and the valve cover taking and placing structure (92) and the valve cover pre-tightening structure (93) are installed on the seventh support (91); the valve cover taking and placing structure (92) is used for grabbing the valve cover (302) and placing the valve cover (302) on the valve body (301), and the valve cover pre-tightening structure (93) is used for pre-tightening the valve cover (302) on the valve body (301) onto the valve body (301); the valve cover taking and placing structure (92) comprises an eighth sliding seat (921), a seventeenth cylinder (922), a rotary cylinder (923) and a clamping jaw cylinder (924), the seventeenth cylinder (922) is fixed on a seventh support (91), the eighth sliding seat (921) is vertically and slidably connected onto the seventh support (91), the eighth sliding seat (921) is fixed with a piston rod of the seventeenth cylinder (922), the rotary cylinder (923) is fixed on the eighth sliding seat (921), and the clamping jaw cylinder (924) is fixed on a driving end of the rotary cylinder (923); the valve cover pre-screwing structure (93) comprises a ninth sliding seat (931), an eighteenth air cylinder (932), a fourth servo motor (933), a third rotating sleeve (934) and a first rotating rod (935), wherein the eighteenth air cylinder (932) is fixed on a seventh support (91), the ninth sliding seat (931) is vertically and slidably connected onto the seventh support (91), the ninth sliding seat (931) is fixed with a piston rod of the eighteenth air cylinder (932), the fourth servo motor (933) is fixed on the ninth sliding seat (931), one end of the third rotating sleeve (934) is inserted into the ninth sliding seat (931) and is rotatably connected with the ninth sliding seat (931) through a third bearing group (9341), one end of the third rotating sleeve (934) is in transmission connection with a rotating shaft of the fourth servo motor (933), the other end of the third rotating sleeve (934) is in transmission connection with one end of the first rotating rod (933), a third sunk groove (9352) which is in a regular hexagon shape and is used for being embedded with the outer end part of the valve cover (302) is formed in the inner wall of the other end of the first rotating rod (935); the other end of the third rotating sleeve (934) is provided with a slot (9342) for inserting one end of the first rotating rod (935), the outer wall of the first rotating rod (935) is provided with a fourth sliding groove (9351) extending along the axial direction of the first rotating rod (935), a second pin shaft (936) extending along the radial direction of the third rotating sleeve (934) is embedded in the third rotating sleeve (934), the inner end of the second pin shaft (936) is inserted in the fourth sliding groove (9351) and is in sliding connection with the fourth sliding groove (9351), a fifth spring (937) is arranged in the slot (9342), one end of the fifth spring (937) abuts against the inner bottom of the slot (9342), and the other end of the fifth spring (937) abuts against one end of the first rotating rod (935); the valve cover and valve body screwing station (10) comprises an upright post (101) and a valve cover screwing structure (102), the upright post (101) is installed on the rack (1), and the valve cover screwing structure (102) is installed on the upright post (101); the valve cover screwing structure (102) is used for screwing the valve cover (302) pre-installed on the valve body (301); the valve cover screwing structure (102) comprises a tenth sliding seat (1021), a nineteenth air cylinder (1022), a fifth servo motor (1023), a second rotating rod (1024) and a fourth rotating sleeve (1025), wherein the nineteenth air cylinder (1022) is fixed on the upright post (101), the tenth sliding seat (1021) is vertically and slidably connected onto the upright post (101), the tenth sliding seat (1021) is fixed with a piston rod of the nineteenth air cylinder (1022), the fifth servo motor (1023) is fixed on the tenth sliding seat (1021), one end of the second rotating rod (1024) is inserted into the tenth sliding seat (1021) and is rotatably connected with the tenth sliding seat (1021) through a fourth bearing group (1026), one end of the second rotating rod (1024) is in transmission connection with a rotating shaft of the fifth servo motor (1023), and the other end of the second rotating rod (1024) is in transmission connection with one end of the fourth rotating sleeve (1025), a regular hexagonal fourth sinking groove (1027) which is used for being embedded with the outer end part of the valve cover is formed in the inner wall of the other end of the fourth rotating sleeve (1025); the other end of the second rotating rod (1024) is inserted into the fourth rotating sleeve (1025), a pair of fifth sliding grooves (1028) is formed in the outer wall of the second rotating rod (1024), each fifth sliding groove (1028) extends along the axial direction of the second rotating rod (1024), a pair of third hinge pins (1029) is embedded in the side wall of the fourth rotating sleeve (1025), each third hinge pin (1029) extends along the radial direction of the fourth rotating sleeve (1025), the inner end of each third hinge pin (1029) is inserted into one of the fifth sliding grooves (1028) and is in sliding connection with the fifth sliding groove (1028), a sixth spring (1020) is sleeved outside the second rotating rod (1024), and two ends of the sixth spring (1020) are abutted against the second rotating sleeve (1024) and the fourth rotating sleeve (1025) respectively.

10. The automatic ball valve assembling equipment according to claim 1, wherein the discharging station (20) comprises a manipulator mechanism (201) and a conveyer belt mechanism (202), the manipulator mechanism (201) and the conveyer belt mechanism (202) are both installed on the machine frame (1), and the manipulator mechanism (201) is used for grabbing the assembled ball valve on the turntable mechanism (11) and placing the assembled ball valve on the conveyer belt mechanism (202); be located be fixed with a plurality of support columns (114) that are circumference evenly distributed on frame (1) of carousel (111) below, every the upper end of support column (114) all rotates and is connected with gyro wheel (115), every the axis of gyro wheel (115) all is perpendicular with the axis of carousel (111), every the upper end of gyro wheel (115) all leans on with the lower terminal surface counterbalance of carousel (111).