CN115401434A

CN115401434A - Ball valve assembly production line

Info

Publication number: CN115401434A
Application number: CN202211108318.2A
Authority: CN
Inventors: 施东升
Original assignee: Suzhou Beiyate Precision Automation Machinery Co ltd
Current assignee: Suzhou Beiyate Precision Automation Machinery Co ltd
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2022-11-29
Anticipated expiration: 2042-09-13
Also published as: CN115401434B

Abstract

The invention discloses a ball valve assembly production line which comprises a conveying line, wherein a feeding mechanism, an oil injection mechanism, a valve rod platform for installing and positioning a valve rod, an upper screwing screw mechanism, a folding mechanism, a pre-screwing nut mechanism, a screwing mechanism for screwing a nut, a marking mechanism and a testing mechanism for testing a valve are sequentially arranged along the conveying line according to a valve production procedure, the ball valve assembly production line also comprises a first manipulator arranged at the starting end of the conveying line and used for transferring a product in the feeding mechanism to the oil injection mechanism and transferring the product in the oil injection mechanism to the conveying line, and a second manipulator arranged at the tail end of the conveying line and used for transferring the product in the screwing mechanism to the testing mechanism and transferring the product in the testing mechanism to the marking mechanism. The advantages are that: the requirements of reducing logistics turnover, sites, labor force, improving assembly efficiency and the like are met. The automation and the safety degree are high, and the quantitative assessment indexes of the valve industry are met. And standardized management and quality tracking are facilitated.

Description

Ball valve assembly production line

Technical Field

The invention relates to the field of ball valve manufacturing, in particular to a ball valve assembly production line.

Background

When the ball valve is applied to a pipeline, the converging, the shunting and the flow direction switching of media can be flexibly controlled, and meanwhile, any channel can be closed to enable the other two channels to be connected. The ball valve body is divided into an upper valve body and a lower valve body, a valve seat is arranged in the lower valve body, and a valve rod is arranged outside the lower valve body. During actual production, a series of parts such as upper valve body, lower valve body, disk seat, valve rod need assemble, and traditional mode of production does not reach standardized management and quality and tracks, and the commodity circulation turnover is more, the occupation place is great, and assembly efficiency is lower.

In view of this, it is necessary to provide a ball valve assembly line.

Disclosure of Invention

The ball valve assembly production line provided by the invention effectively solves the problems of more material flow turnover, large occupied area and low production efficiency in ball valve production.

The technical scheme adopted by the invention is as follows:

ball valve assembly line, including the transfer chain, follow according to valve production process the transfer chain has set gradually feeding mechanism, oil spout mechanism, a valve rod platform for fixing a position the valve rod, be used for screwing up screw rod mechanism to the screw rod, be used for closing up the mechanism that closes up with last valve body and lower valve body, be used for installing the nut mechanism of screwing up in advance of nut on the screw rod, be used for screwing up the mechanism to the nut, carry out laser marking's marking mechanism and be used for carrying out the accredited testing organization to the valve, still including setting up the manipulator that is arranged in the transfer chain initiating terminal and is used for transferring the product in the feeding mechanism to oil spout mechanism and shifts the product in the oil spout mechanism to the transfer chain, set up the product that is arranged in screwing up the mechanism at the transfer chain end and shift to accredited testing organization and shift the product in the accredited testing organization to the manipulator of second number in the marking mechanism.

Further, the method comprises the following steps: the transfer chain includes that a structure is the same roller transfer chain, sets up the bearing seat of setting on a transfer chain, no. two transfer chains and promotion transfer chain that roller transfer chain top set up promotion transfer unit and roll that establish at a roller transfer chain both ends, promote transfer unit and include mounting bracket, vertical setting a linear guide on the mounting bracket, with a linear guide sliding connection's link, belt conveying spare and fixed setting on the link that are used for driving the link along a linear guide lift on the mounting bracket, belt conveying spare is including setting up the action wheel on the link, from the driving wheel, around establishing at the action wheel and from the belt on the driving wheel and setting be used for driving action wheel pivoted motor on the link, the mounting panel can get into a transfer unit or No. two transfer units through promoting transfer unit, bearing seat is last to set up the one number board that is used for placing the upper valve body and is used for placing the two numbers board of lower valve body, a number board and two numbers board all put the bearing seat grafting with the bearing.

Further, the method comprises the following steps: feeding mechanism is used for carrying No. three roller transfer chain of valve body, is used for carrying No. four roller transfer chain of valve body down and is used for providing the lifting unit of disk seat, lifting unit includes a frame, sets up mounting panel on a frame, sets up a plurality of stands on the mounting panel, the annular post on connection stand top, the sharp module of setting in the frame of mounting panel one side, sets up the backup pad that is used for promoting the disk seat in sharp module, include the arm behind a machinery and set up the clamping jaw that is used for snatching valve body and lower valve body on the arm and be used for snatching the clamping jaw No. two of disk seat.

Further, the method comprises the following steps: valve rod platform includes that the lower extreme sets up the dispenser at No. two roller conveyor line lower extremes, be provided with on the dispenser and be used for carrying out the jacking cylinder that the jacking is carried out to the mounting panel, the dispenser upper end sets up in No. two conveyor line upper ends, the dispenser upper end is provided with the connecting rod, sliding connection has the rifle of screwing up on the connecting rod.

Further, the method comprises the following steps: go up screw rod mechanism including setting up No. two frames in the transfer chain outside, set up the vibration dish that is used for providing the double-screw bolt in transfer chain one side, with vibration dish exit linkage's straight oscillator, set up and be used for turning to the double-screw bolt on No. two frames and move the subassembly, set up and be used for receiving on No. two frames and turn to the centering subassembly that moves the double-screw bolt that the subassembly transferred, be used for snatching the subassembly that snatchs the double-screw bolt in the centering subassembly, be used for sending into down the valve body and twist the four-axis electric claw soon with the double-screw bolt that snatchs in the subassembly, turn to move the subassembly and include a claw, be used for driving a revolving cylinder that a revolving cylinder goes up and down, be used for driving a straight line module of cylinder horizontal migration, centering subassembly include the centering press, set up lead screw and two nuts that set up on the centering board and revolve to opposite on the lead screw, snatch the subassembly including setting up the connecting piece on No. two frames, set up revolving cylinder on the connecting piece and set up No. two claws on No. two revolving cylinder at No. two revolving cylinder.

Further, the method comprises the following steps: fold mechanism and include the carriage, set up No. three frames in the transfer chain outside, set up in No. three frame upper ends and with transfer chain direction of delivery unanimous No. two linear guide, the connecting plate that slides and set up on No. two linear guide, set up and be used for driving the gliding rack drive subassembly of No. two relative linear guide of connecting plate in No. three frames, set up the electric jar that is used for driving the relative connecting plate of carriage on the connecting plate and goes up and down, set up on the carriage and axial and transfer chain direction of delivery vertically No. three bearings, the cover establishes a pivot in No. three bearings, set up the fixed plate that is close to transfer chain one end in a pivot, set up the carriage and be used for driving a pivot pivoted motor group with a pivot other end, the level sets up No. six linear guide on the fixed plate, two structure the same and symmetry slip set up the holding frame on No. six linear guide, the fixed setting is used for driving a lead screw module that two holding frame six relative linear guide are the same or move in opposite directions, the relative one side of holding frame is provided with the circular arc groove that is used for with last valve body joint.

Further, the method comprises the following steps: the nut pre-screwing mechanism comprises a third machine frame, a mounting seat arranged on the third machine frame, a first pressing assembly arranged at the upper end of the mounting seat and used for pressing the upper valve body and the lower valve body from top to bottom, a jacking piece arranged at the lower end of the mounting seat and used for supporting the bearing seat, a driving assembly arranged on the mounting seat and used for driving the jacking piece to lift, and a first supporting assembly arranged on the third machine frame and used for supporting the second roller shaft conveying line.

Further, the method comprises the following steps: the tightening mechanism comprises a fourth machine frame, a second pressing component arranged at the upper end of the fourth machine frame and used for pressing the valve body downwards, a rotary supporting component arranged at the lower end of the fourth machine frame and used for supporting a first plate, a third lifting supporting component arranged at the lower end of the fourth machine frame and used for supporting a second roller shaft conveying line, and two tightening components arranged on the fourth machine frame at two sides of the conveying line respectively, the tightening assembly comprises a support plate horizontally arranged on a fourth frame, a third linear guide rail horizontally arranged on the support plate and vertical to the direction of the conveying line, a vertical seat slidably arranged on the third linear guide rail, a second lead screw module arranged on the support plate and used for driving the vertical seat to slide relative to the third linear guide rail, a fourth linear guide rail vertically arranged on the vertical seat, a connecting seat slidably arranged on the fourth linear guide rail, a third lead screw module arranged on the vertical seat and used for driving the connecting seat to slide relative to the fourth linear guide rail, a second motor arranged on the connecting seat, a speed reducer connected with the output end of the second motor, and a tightening head which is hollow and fixedly connected with the connecting seat, wherein one end of the tightening head is provided with a first gear coaxially connected with the speed reducer, the other end of the tightening head is provided with a first linear bearing, a rotating shaft is sleeved in the first linear bearing, the upper end of the rotating shaft is provided with a second gear in transmission connection with the first gear, and the lower end of the rotating shaft is provided with a sleeve which is clamped with a nut.

Further, the method comprises the following steps: the detection mechanism comprises an airtight detection assembly and an airtight detection assembly which are identical in structure and a second manipulator used for moving a valve, the airtight detection assembly comprises a workbench, at least three airtight test units are arranged on the workbench and located, torque test units in one-to-one correspondence with the airtight test units are arranged on the workbench on one side of the airtight test units, the airtight test units comprise a mounting plate arranged on the workbench, a first support and a blocking plate located in the first support and used for placing one end of the valve are arranged on the mounting plate, a first power source with an output end facing the blocking plate is arranged on the first support, a pressing plate used for blocking the other end of the valve is fixedly arranged at the output end of the first power source, a first flow passage communicated with one end of the valve is arranged on the blocking plate, a second flow passage communicated with the other end of the valve is arranged on the pressing plate, the torque test units comprise a second support corresponding to the first support, a fifth linear guide rail horizontally arranged on the second support, a moving seat arranged on the fifth linear guide rail, a second linear guide rail horizontally arranged on the second support, a second linear guide rail, a second linear bearing seat arranged on the second linear bearing seat, and a rotating shaft, and a second linear bearing seat arranged on the rotating shaft, and a second linear bearing is arranged on the rotating shaft, and a rotating shaft bearing is arranged on the rotating shaft, and connected with a linear bearing, and a linear bearing set.

The invention has the beneficial effects that: the requirements of reducing logistics turnover, sites, labor force, improving assembly efficiency and the like are met. The requirements of leak protection, error prevention, pressure control detection, torque control, assembly position size and the like in the assembly process are met, the automation and safety degree is high, and quantitative assessment indexes of the valve industry are met. And standardized management and quality tracking are facilitated.

Drawings

Fig. 1 is an overall schematic view of a ball valve assembly line provided in an embodiment of the present application.

FIG. 2 is a schematic view of a valve stem platform of a ball valve assembly line provided in an embodiment of the present application.

Fig. 3 is a schematic diagram of a first robot of a ball valve assembly line provided in an embodiment of the present application.

Fig. 4 is a schematic diagram of an upper screw mechanism and a closing mechanism of a ball valve assembly line provided by an embodiment of the application.

FIG. 5 is a schematic view of an up-screw mechanism of a ball valve assembly line provided by an embodiment of the present application.

Fig. 6 is a schematic view of a folding mechanism of a ball valve assembly line provided in an embodiment of the present application.

Fig. 7 is a side rear schematic view of a closure mechanism of a ball valve assembly line provided in an embodiment of the present application.

Fig. 8 is a schematic view of a clamping frame, a first lead screw module, a third linear bearing, a first rotating shaft and a sixth linear guide rail of a folding mechanism of a ball valve assembly line provided in an embodiment of the present application.

FIG. 9 is a schematic view of a pre-nut runner mechanism of a ball valve assembly line provided in accordance with an embodiment of the present application.

FIG. 10 is a schematic view of a tightening mechanism of a ball valve assembly line provided in an embodiment of the present application.

FIG. 11 is a schematic view of a tightening assembly of a tightening mechanism of a ball valve assembly line provided in an embodiment of the present application.

FIG. 12 is a schematic view of a tightening mechanism of a ball valve assembly line with the tightening assembly and the compression assembly removed as provided by an embodiment of the present application.

FIG. 13 is a schematic view of a hermetic testing assembly of a testing mechanism of a ball valve assembly line provided in an embodiment of the present application.

FIG. 14 is a schematic diagram of a torque testing unit of the hermetic testing assembly of the testing mechanism of the ball valve assembly line provided by an embodiment of the present application.

FIG. 15 is a schematic view of a hermetic testing unit of a hermetic testing assembly of a testing mechanism of a ball valve assembly line provided in an embodiment of the present application.

FIG. 16 is a schematic view of a lift feed assembly of a feed line of a ball valve assembly line provided in an embodiment of the present application.

FIG. 17 is a schematic view of a lift assembly of a feed mechanism of a ball valve assembly line provided in accordance with an embodiment of the present application.

Labeled as: 1. a conveying line; 2. a feeding mechanism; 3. an oil injection mechanism; 4. a valve stem platform; 5. screwing a screw rod mechanism; 6. a folding mechanism; 7. a nut pre-screwing mechanism; 8. a tightening mechanism; 9. a marking mechanism; 10. a testing mechanism; 11. a first manipulator; 12. a second manipulator; 101. a first roller shaft conveying line; 102. a second roller shaft conveying line; 103. lifting the conveying assembly; 104. a bearing seat; 1041. a first board; 1042. a second plate; 1031. a mounting frame; 1032. a first linear guide rail; 1033. a connecting frame; 1034. a belt transport; 1035. a lifting power source; 21. a third roller shaft conveying line; 22. a fourth roll shaft conveying line; 23. a lifting assembly; 231. a first frame; 232. mounting a plate; 233. a column; 234. an annular column; 235. a linear module; 236. a support plate; 111. a first clamping jaw; 112. a second clamping jaw; 113. a mechanical arm; 41. a placing frame; 42. jacking a cylinder; 43. a connecting rod; 44. screwing the gun; 501. a second frame; 502. a vibrating pan; 503. a straight vibration device; 504. a steering transfer component; 505. a centering assembly; 506. a grasping assembly; 507. four-axis electric claws; 601. a carriage; 602. a third frame; 603. a second linear guide rail; 604. a connecting plate; 605. a rack gear assembly; 606. a first electric cylinder; 607. a first rotating shaft; 608. a first motor group; 609. a sixth linear guide rail; 610. a clamping frame; 611. a first screw rod module; 6100. a groove; 612. a third linear bearing; 613. a fixing plate; 71. a fifth frame; 72. a mounting seat; 73. a first hold-down assembly; 74. a jacking piece; 75. a drive assembly; 76. a first support assembly; 801. a fourth frame; 802. a second hold-down assembly; 803. a rotation support assembly; 804. a third lifting support component; 805. screwing the assembly; 8051. a carrier plate; 8052. a third linear guide rail; 8053. a vertical seat; 8054. a second screw rod module; 8055. a fourth linear guide rail; 8056. a connecting seat; 8057. a third screw rod module; 8058. a second motor; 8059. a speed reducer; 8060. tightening a head; 8061. a sleeve; 30. a hermetic seal detection assembly; 20. a water pressure detection assembly; 301. a work table; 302. an air tightness testing unit; 303. a torque testing unit; 3021. placing a plate; 3022. a first bracket; 3023. a plugging plate; 3024. a power source I; 3025. a pressing plate; 3031. a second bracket; 3032. a fifth linear guide rail; 3033. a second electric cylinder; 3034. a second linear bearing; 3035. a second motor group; 3036. a second rotating shaft; 3037. a torque sensor; 3038. and (4) moving the seat.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the ball valve assembly line provided in the embodiment of the present application structurally includes a conveying line 1, and a feeding mechanism 2, an oil injection mechanism 3, a valve rod platform 4 for installing and positioning a valve rod, an upper screw mechanism 5 for screwing a screw, a closing mechanism 6 for closing an upper valve body and a lower valve body, a nut pre-screwing mechanism 7 for installing a nut on the screw, a screwing mechanism 8 for screwing a nut, a marking mechanism 9 for laser marking the valve, and a testing mechanism 10 for testing the valve are sequentially arranged along the conveying line 1 according to a valve production process, and the ball valve assembly line further includes a manipulator 11 arranged at the beginning end of the conveying line 1 for transferring a product in the feeding mechanism 2 to the oil injection mechanism 3 and transferring a product in the oil injection mechanism 3 to the conveying line 1, and a manipulator 12 arranged at the end of the conveying line 1 for transferring a product in the screwing mechanism 8 to the testing mechanism 10 and transferring a product in the testing mechanism 10 to the marking mechanism 9.

It should be noted that the subsequent valves refer to the upper valve body and the lower valve body after being closed.

During actual use, the first mechanical arm 11 transfers the upper valve body and the lower valve body to the conveying line 1, then the upper valve body and the lower valve body are conveyed to the oil injection mechanism 3 along with the conveying line 1 to inject oil, then the first mechanical arm 11 transfers the oil-injected upper valve body and the oil-injected lower valve body to the conveying line 1, the valve rod is installed on the lower valve body through the valve rod platform 4 in sequence, then the screw rod mechanism 5 is screwed up along with the conveying line 1, the screw rod is installed in a screw hole in the lower valve body, then the screw rod mechanism 1 is conveyed to the folding mechanism 6 along with the conveying line 1, and the upper valve body and the lower valve body are folded; the folded upper valve body and the folded lower valve body are conveyed to a nut pre-screwing mechanism 7 along with the conveying line 1, and nuts are screwed on the screw manually and are pre-screwed; then, the nut is conveyed to a screwing mechanism 8 along with the conveying line 1, and the nut is automatically screwed on the screw to form a valve; then, the second manipulator 12 transfers the valve to the testing mechanism 10 for airtight detection, water pressure detection and torque detection; and after the detection is finished, the second manipulator 12 transfers the valve to the marking mechanism 9 to mark, and receives the material after marking is finished.

In the above-mentioned design, reach and reduce demands such as commodity circulation turnover, place, hand labor power and improvement assembly efficiency. The requirements of assembly leakage prevention, error prevention, pressure control detection, torque control, assembly position size and the like in the assembly process are met, the automation and safety degree is high, and quantitative assessment indexes of the valve industry are met. And standardized management and quality tracking are facilitated.

Specifically, the method comprises the following steps: as shown in fig. 1, fig. 3 and fig. 16, the conveying line 1 includes a first roller conveying line 101, a second roller conveying line 102 disposed above the first roller conveying line 101, and a lifting conveying assembly 103 disposed at two ends of the first roller conveying line 101, and a mounting plate 232 arranged on the first roller conveying line 1, the second roller conveying line 1 and the lifting conveying assembly 103 in a rolling manner, the lifting conveying assembly 103 includes a mounting frame 1031, a linear guide rail vertically disposed on the mounting frame 1031, a connecting frame 1033 slidably connected to the linear guide rail, a belt conveying member 103horizontally disposed on the connecting frame 1033, and a first motor fixedly disposed on the mounting frame 1031 for driving the connecting frame 1033 to lift and lift up and lower the lifting power source 1035 along the linear guide rail, the belt conveying member includes a driving wheel disposed on the connecting frame 1033, a driven wheel, a belt disposed around the driving wheel 1042 and the driven wheel, and a first motor disposed on the connecting frame 1033 for driving rotation, the mounting plate 232 can pass through the lifting conveying assembly 103 and enter the first conveying assembly or the second driving wheel conveying assembly, and a first valve body 1041 for placing the valve body and a second valve body 1034 for placing on the placing base 104.

During the practical use, go up the valve body and place respectively on a board 1041 and No. two board 1042 with lower valve body, carry on No. two roller conveyor lines 102, after last valve body and lower valve body accomplish the equipment, the promotion conveyor assembly 103 that is located transfer chain 1 direction of delivery end this moment moves, specifically promote power supply 1035 drive link 1033 and rise, make belt of belt transport spare 1034 flush with roller conveyor line 1 upper end, bearing seat 104 gets into the belt through No. two roller conveyor lines 102, promote power supply 1035 drive link 1033 and move down afterwards, the belt is reverse to be carried, carry bearing seat 104 in the belt conveyor line 1 to No. one roller conveyor line 1, promote the conveyor assembly 103 through the transfer chain 1 front end and carry on No. two roller conveyor lines 102 again.

In the above-mentioned design, through setting up roller transfer chain 101 and No. two roller transfer chains 102, through promoting the circulation practicality that conveying assembly 103 accomplished the bearing seat 104, practice thrift the manual work, improve work efficiency.

Specifically, the method comprises the following steps: as shown in fig. 1, 3 and 17, the feeding mechanism 2 includes a third roller conveyor line 21 for conveying an upper valve body, a fourth roller conveyor line 22 for conveying a lower valve body, and a lifting assembly 23 for providing a valve seat, the lifting assembly 23 includes a first frame 231, a mounting plate 232 disposed on the first frame 231, a plurality of columns 233 disposed on the mounting plate 232, a ring-shaped column 234 connecting the top ends of the columns 233, a linear module 235 disposed on the frame on one side of the mounting plate 232, and a support plate 236 disposed on the linear module 235 and used for lifting the valve seat, and the first machine includes a robot arm 113, a first clamping jaw 111 disposed on the robot arm 113 and used for grabbing the upper valve body and the lower valve body, and a second clamping jaw 112 disposed on the robot arm 113 and used for grabbing the valve seat.

In practical use, the linear module 235 drives the supporting plate 236 to move upwards, so that the valve seats move upwards, then the second clamping jaw 112 clamps the valve seats and transfers the valve seats into the lower valve body, and then the first clamping jaw 111 transfers the lower valve body and the upper valve body onto the second plate 1042 and the first plate 1041 respectively.

In the above design, the upper valve body and the lower valve body can be mounted on the seat 104 by providing the first manipulator 11.

Specifically, the method comprises the following steps: as shown in fig. 2, valve rod platform 4 includes that the lower extreme sets up dispenser 41 at No. two roller conveyor line 102 lower extremes, be provided with the jacking cylinder 42 that is used for carrying out the jacking to mounting panel 232 on dispenser 41, dispenser 41 upper end sets up in No. two transfer chain 1 upper ends, dispenser 41 upper end is provided with connecting rod 43, sliding connection has the rifle 44 of screwing up on connecting rod 43.

It should be noted that, in addition to the upper valve body and the lower valve body, the assembly of the valve further includes a valve stem, a gasket, a packing, a pressure plate, and the like.

During the actual use, after bearing seat 104 entered into valve rod platform 4, jacking cylinder 42 will bear seat 104 jack-up to breaking away from with No. two roller conveyor lines 102, and the manual work is got valve rod, gasket, packing and clamp plate etc. and is packed into in proper order afterwards, gets the ball and puts into the valve body and utilizes tightening gun 44 to be connected valve body and valve rod. After the completion, the jacking cylinder 42 is reset, so that the landing seat 104 is returned to the second roller conveyor line 102 again and moves along the second roller conveyor line 102.

Specifically, the method comprises the following steps: as shown in fig. 4 and 5, the screwing-up screw mechanism 5 includes a second frame 501 disposed outside the conveyor line 1, a vibration disk 502 disposed on one side of the conveyor line 1 for providing a screw, a straight vibration device 503 connected to an outlet of the vibration disk 502, a turning and transferring assembly 504 disposed on the second frame 501 for turning and transferring the screw, a centering assembly 505 disposed on the second frame 501 for receiving the screw transferred by the turning and transferring assembly 504, a grabbing assembly 506 for grabbing the screw in the centering assembly 505, a four-axis electric claw 507 for feeding the screw in the grabbing assembly 506 into a lower valve body and screwing, the turning and transferring assembly 504 includes a first claw, a first rotary cylinder for driving the first claw to turn, a first air cylinder for driving the first rotary cylinder to ascend and descend, a first straight line module 235 for driving the first air cylinder to move horizontally, the centering assembly 505 includes a centering button, a screw rod disposed on the centering plate, and two nuts disposed on the screw rod and having opposite turning directions, and the second rotary claw 506 includes a connecting member disposed on the second frame 501, a connecting member disposed on the connecting member, and a second rotary cylinder disposed on the second connecting member.

In practical use, the vibration disc 502 provides a screw rod, the screw rod enters the linear vibrator 503 after passing through the vibration disc 502, the screw rod flows out of the linear vibrator 503 and is clamped and turned by a first claw of the turning transfer assembly 504, the turned screw rod is conveyed into the centering assembly 505, the screw rod of the centering assembly 505 rotates to drive the two nuts to move in opposite directions, and the two nuts are abutted to two ends of the screw rod respectively. Then the second claw is got from the shaft of screw rod and is got the screw rod of centering through centering subassembly 505, and the rotation cylinder of second rotates for being vertical state in the clamping jaw, and four-axis electricity claw 507 gets the screw rod from the upper end claw of screw rod afterwards, and screw in the screw of lower valve body with the screw rod.

In the above-mentioned design, can realize the automatic screw in of screw rod in the screw of valve body down, convenient high efficiency.

Specifically, the method comprises the following steps: as shown in fig. 4, 5, 6, 7, and 8, the folding mechanism 6 includes a sliding frame 601, a third frame 602 disposed outside the conveyor line 1, a second linear guide 603 disposed at the upper end of the third frame 602 and aligned with the conveying direction of the conveyor line 1, a connecting plate 604 slidably disposed on the second linear guide 603, a rack transmission assembly 605 disposed on the third frame 602 for driving the connecting plate 604 to slide relative to the second linear guide 603, a first electric cylinder 606 disposed on the connecting plate 604 for driving the sliding frame 601 to move up and down relative to the connecting plate 604, a third bearing disposed on the sliding frame 601 and axially perpendicular to the conveying direction of the conveyor line 1, a first rotating shaft 607 disposed in the third bearing, a fixing plate 613 disposed at one end of the first rotating shaft 607 near the conveyor line 1, a first motor group 608 disposed on the sliding frame 601 and at the other end of the first rotating shaft 607, a sixth linear guide 609 horizontally disposed on the fixing plate 613, two clamping frames 610 having the same structure and symmetrically disposed on the sixth linear guide 609, and a clamping groove 610 or a clamping groove 610 disposed on one side of the fixing plate 613 for driving the sixth linear guide 610 and for driving the clamping frame to move relative to the first linear guide 611, and the clamping groove 610.

It should be noted that the first motor group 608 includes a motor and a speed reducer 8059 disposed at an output end of the motor.

In practical use, after the lower valve body is screwed into the screw, the rack transmission assembly 605 drives the connecting plate 604 to move towards one side of the upper valve body, after the connecting plate moves towards a corresponding position of the upper valve body, the electric cylinder 606 drives the sliding frame 601 to move downwards, after the sliding frame 601 moves downwards to a horizontal position where the clamping frame 610 is properly clamped, the screw module 611 drives the two clamping frames 610 to move towards each other, so that the side part of the upper valve body is placed in the arc groove, then the electric cylinder 606 drives the sliding frame 601 to move upwards, so that the upper valve body clamped by the clamping frames 610 synchronously moves upwards, when the upper valve body moves upwards to a space enough to reserve a circle of vertical rotation of the fixing plate 613, the electric cylinder 608 drives the rotating shaft 607 to rotate, so as to drive the fixing plate 613 to turn over, so that the upper valve body turns over, then the rack transmission assembly drives the connecting plate 604 to move towards one side of the lower valve body, after the connecting plate moves towards a corresponding position, the electric cylinder 606 drives the sliding frame 601 to move downwards, so that the through hole 611 of the upper valve body passes through the screw on the lower valve body and contacts the lower valve body, and then the clamping frame 610 is separated from the upper valve body under the drive of the lower valve body, so as to complete one time.

In the above-mentioned design, can realize closing together of valve body and lower valve body automatically, the accuracy is high, degree of automation is high, the simple operation performance is high-efficient, is favorable to improving production efficiency.

Specifically, the method comprises the following steps: as shown in fig. 9, the nut pre-screwing mechanism 7 includes a fifth frame 71, an installation base 72 arranged on the fifth frame 71, a first pressing component 73 arranged at the upper end of the installation base 72 and used for pressing the upper valve body and the lower valve body from top to bottom, a jacking component 74 arranged at the lower end of the installation base 72 and used for supporting the bearing base 104, a driving component 75 arranged on the installation base 72 and used for driving the jacking component 74 to ascend and descend, and a first supporting component 76 arranged on the fifth frame 71 and used for supporting the second roller shaft conveying line 102.

In practical use, the first pressing component 73 presses down the upper end of the folded upper valve body, meanwhile, the driving component 75 drives the lifting component 74 to ascend to the lower end of the bearing seat 104 to abut against the lower end, and the first supporting component supports the second roller shaft conveying line 102 below the bearing plate all the time. The nut is screwed on the screw manually.

In the design, the upper valve body and the lower valve body which are folded when the screw is screwed manually are in a stable state.

Specifically, the method comprises the following steps: as shown in fig. 10, 11 and 12, the tightening mechanism 8 includes a fourth frame 801, a second pressing assembly 802 disposed at an upper end of the fourth frame 801 for pressing down the valve body, a rotating support assembly 803 disposed at a lower end of the fourth frame 801 for supporting a first plate 1041, a third lifting support assembly 804 disposed at a lower end of the fourth frame 801 for supporting the second roller conveyor line 102, and two tightening assemblies 805 disposed on the fourth frame 801 at two sides of the conveyor line 1, wherein the tightening assemblies 805 include a carrier 8051 horizontally disposed on the fourth frame 801, a third linear guide 8052 horizontally disposed on the carrier 8051 and extending in a direction perpendicular to the direction of the conveyor line 1, a vertical seat 8053 slidably disposed on the third linear guide 8052, a second screw rod module 8054 disposed on the carrier 8051 for driving the vertical seat 8053 to slide relative to the third linear guide 8052, a fourth linear guide 8055 vertically disposed on the vertical seat 8053, a fourth linear guide 8055 slidably disposed on the fourth linear guide 8055, a tightening head 8056 disposed on the carrier 8051, and a tightening head 8060 disposed on the connecting base 8060, and a tightening head 60 disposed inside a screw rod reducer, and a tightening head 60 disposed on the connecting base 8060 for connecting the first linear guide 8060, and a screw rod 8060, and a screw reducer 60 disposed inside the connecting base 8060. When the screwing of one nut is completed, the rotation support assembly 803 drives a plate 1041 to rotate, so that the other nut is placed in the sleeve 8061.

During the in-service use, no. two roller conveyor line 102 lower extremes offset with No. three lift supporting component 804 upper ends, and No. two supporting component support a board 1041, and No. two roller conveyor line 102 intercommunication is held the seat 104 and is moved down in the effect of No. three lift supporting component 804 afterwards, and No. two compress tightly the subassembly 802 and press the upper end of the upper valve body after closing up for a board 1041 breaks away from and holds the seat 104. Subsequently, the screwing component 805 works, specifically, the second lead screw module 8054 drives the vertical seat 8053 to move to one side of the valve along the third linear guide rail 8052, when the sleeve 8061 moves to be located right above the nut, the third lead screw module 8057 drives the connecting seat 8056 to move downwards, so that the inner wall of the sleeve 8061 abuts against the outer wall of the nut, then the second motor 8058 rotates to drive the second speed reducer 8059 to rotate, the second speed reducer 8059 drives the first gear and the second gear to rotate, so that the rotating shaft drives the sleeve 8061 to rotate, and the nut is screwed.

In the design, the automatic screwing of the nut can be realized, and the working efficiency is effectively improved.

Specifically, the method comprises the following steps: as shown in fig. 13, 14 and 15, the detection mechanism comprises an airtight detection module 30 and an airtight detection module 30 with the same structure and a second manipulator 12 for transferring valves, the airtightness detection assembly 30 comprises a workbench 301, at least three airtightness test units 302 are arranged on the workbench 301 in an array manner, torque test units 303 corresponding to the airtightness test units 302 one by one are arranged on the workbench 301 at one side of the airtightness test units 302, the airtightness testing unit 302 includes a set plate 3021 provided on the table 301, the setting plate 3021 is provided with a first bracket 3022 and a blocking plate 3023 which is positioned in the first bracket 3022 and used for placing one end of a valve, the first bracket 3022 is provided with a first power source 3024 with an output end facing the blocking plate 3023, the output end of the first power source 3024 is fixedly provided with a pressing plate 3025 for plugging the other end of the valve, the plugging plate 3023 is provided with a first flow channel communicated with the valve cavity from one end of the valve, a second flow passage communicated with the valve cavity from the other end of the valve is arranged on the pressing plate 3025, the torque testing unit 303 comprises a second bracket 3031 corresponding to the first bracket 3022, a fifth linear guide rail 3032 horizontally arranged on the second bracket 3031, a moving seat 3038 slidably arranged on the fifth linear guide rail 3032, a second electric cylinder 3033 arranged on the second bracket 3031 and used for driving the moving seat 3038 to move relative to the fifth linear guide rail 3032, a second linear bearing 3034 arranged on the moving seat 3038, a second rotating shaft 3036 sleeved on the second linear bearing 3034, and a second motor group 3034 arranged on the moving seat 3038 and used for driving the second rotating shaft 3036 to rotate, no. two pivot 3036 is provided with the recess 6100 of being connected with the valve rod towards transfer chain 1 one end, be provided with torque sensor 3037 on the pivot 3036 No. two.

It should be noted that, at this time, the upper valve body and the lower valve body are folded and the nut is screwed tightly to form the valve, the upper end and the lower end of the valve are provided with through holes connected with an external pipeline, and the middle part of the valve is provided with a cavity communicated with the through holes. The air-tightness detecting unit includes an air pressure detector for detecting air pressure.

During actual use, the second manipulator 12 transfers the valve on the conveying line 1 to the airtight detection assembly 30, so that the lower end of the valve abuts against the blocking plate 3023, the upper end of the valve abuts against the pressing plate 3025, the first manipulator flows into the cavity to be communicated with the cavity, the first manipulator flows into the cavity to ventilate, and the air pressure detector is used for detecting whether the air pressure in the cavity changes or not. Meanwhile, the electric cylinder on the second bracket 3031 drives the moving seat 3038 to move relative to the fifth linear guide rail 3032, so that the groove 6100 of the rotating shaft is matched with the valve rod, then the second motor group 3034 is started to give a torque force to the second rotating shaft 3036, and at this time, the torque sensor 3037 measures the torque force borne by the valve rod. After completing the air tightness detection, the second manipulator 12 transfers the valve of the air tightness detection assembly 30 to the water pressure detection assembly 20, so that the lower end of the valve abuts against the blocking plate 3023, the upper end of the valve abuts against the pressing plate 3025, the first manipulator flows into the cavity to be communicated with the cavity, and the first manipulator flows into the cavity to be communicated with the cavity to drain water, so as to observe whether the valve leaks water. Meanwhile, the electric cylinder on the second bracket 3031 drives the moving seat 3038 to move relative to the fifth linear guide rail 3032, so that the groove 6100 of the rotating shaft is matched with the valve rod, then the second motor group 3034 is started to give a torque force to the second rotating shaft 3036, and at this time, the torque sensor 3037 measures the torque force borne by the valve rod.

In the above design, can carry out torque test, water pressure test and airtight test to the valve, can make the valve yield of dispatching from the factory higher.

It should be understood that the detailed description and specific examples, while indicating preferred embodiments of the invention, are given by way of illustration only, since various changes, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. Ball valve assembly line, its characterized in that: the automatic valve-opening and closing device comprises a conveying line (1), wherein a feeding mechanism (2), an oil spraying mechanism (3), a valve rod platform (4) used for installing and positioning a valve rod, an upper screwing screw mechanism (5) used for screwing a screw rod, a closing mechanism (6) used for closing the upper valve body and a lower valve body, a pre-screwing nut mechanism (7) used for installing a nut on the screw rod, a screwing mechanism (8) used for screwing the nut, a marking mechanism (9) used for carrying out laser marking on the valve and a testing mechanism (10) used for testing the valve are sequentially arranged along the conveying line (1) according to a valve production process, the automatic valve-opening and closing device further comprises a first manipulator (11) and a second manipulator (12), wherein the first manipulator is arranged at the beginning end of the conveying line (1) and used for transferring a product in the feeding mechanism (2) to the oil spraying mechanism (3) and transferring the product in the oil spraying mechanism (3) to the first manipulator (11) of the conveying line (1), and the second manipulator (12) is arranged at the tail end of the conveying line (1) and used for transferring the product in the screwing mechanism (8) to the testing mechanism (9).

2. A ball valve assembly line according to claim 1, wherein: the conveying line (1) comprises a first roller shaft conveying line (101) with the same structure, a second roller shaft conveying line (101) arranged above the first roller shaft conveying line (101), a lifting conveying assembly (103) arranged at two ends of the first roller shaft conveying line (101), a bearing seat (104) arranged on the first conveying line (1), the second conveying line (1) and the lifting conveying assembly (103) in a rolling manner, the lifting conveying assembly (103) comprises a mounting frame (1031), a first linear guide rail (1032) vertically arranged on the mounting frame (1031), a connecting frame (1033) connected with the first linear guide rail (1032) in a sliding manner, a belt conveying piece (1033) horizontally arranged on the connecting frame (1033) and a lifting power source (103) fixedly arranged on the mounting frame (1031) and used for driving the connecting frame (1033) to lift along the first linear guide rail (1032), the belt conveying piece (1034) comprises a driving wheel, a driven wheel, a belt winding arranged on the driving wheel and the driven wheel, and a belt arranged on the connecting frame (1033) and a belt conveying piece (1034) and a motor for driving the first roller shaft conveying assembly (1031) to rotate, and the second roller shaft conveying assembly (1031) and the lifting conveying assembly (1033) and the lower conveying assembly (1031) used for placing the valve body conveying assembly (1031) and the lower conveying assembly (1042) and the lifting conveying assembly (1042) arranged on the connecting frame (1031), the first plate (1041) and the second plate (1042) are inserted into the bearing seat (104).

3. A ball valve assembly line according to claim 1, wherein: feeding mechanism (2) including No. three roller transfer chain (21) that are used for carrying the upper valve body, no. four roller transfer chain (22) that are used for carrying the lower valve body and be used for providing hoisting assembly (23) of disk seat, hoisting assembly (23) include a frame (231), set up mounting panel (232) on a frame (231), set up a plurality of stand (233) on mounting panel (232), connect annular post (234) on stand (233) top, set up sharp module (235) in the frame of mounting panel (232) one side, set up backup pad (236) that are used for promoting the disk seat on sharp module (235), include behind the machinery arm (113) and set up on mechanical arm (113) and be used for snatching clamping jaw (111) of upper valve body and lower valve body and be used for snatching clamping jaw (112) No. two of disk seat.

4. A ball valve assembly line according to claim 1, wherein: valve rod platform (4) include that the lower extreme sets up dispenser (41) at No. two roller conveyor line (1) lower extremes, be provided with on dispenser (41) and be used for carrying out jacking cylinder (42) to mounting panel (232), dispenser (41) upper end sets up in No. two conveyor line (1) upper ends, dispenser (41) upper end is provided with connecting rod (43), sliding connection has tightening gun (44) on connecting rod (43).

5. A ball valve assembly line according to claim 1, wherein: go up screw rod mechanism (5) including setting up No. two frame (501) in transfer chain (1) outside, set up vibration dish (502) that are used for providing the double-screw bolt in transfer chain (1) one side, with vibration dish (502) exit linkage's straight oscillator (503), set up and be used for turning to the double-screw bolt on No. two frame (501) and move a subassembly (504), set up and be used for receiving on No. two frame (501) and turn to a centering subassembly (505) that moves a double-screw bolt that moves a subassembly (504), be arranged in snatching subassembly (506) of snatching the double-screw bolt that centering subassembly (505) goes into down valve body and twist four-axis electric claw (507), it includes a claw, be used for driving a claw to turn to No. one revolving cylinder, be used for driving a revolving cylinder of a revolving cylinder lift, be used for driving a straight line module (235) of cylinder horizontal migration, centering subassembly (505) include press, set up the lead screw on centering plate and two sets up on the lead screw subassembly and to the nut that sets up on No. two revolving cylinder and sets up on No. two revolving cylinder (501) and snatch the connecting piece on No. two frame (501) and setting up the two revolving cylinder.

6. A ball valve assembly line according to claim 1, wherein: the folding mechanism (6) comprises a sliding frame (601), a third rack (602) arranged outside the conveying line (1), a second linear guide rail (603) which is arranged at the upper end of the third rack (602) and is consistent with the conveying direction of the conveying line (1), a connecting plate (604) arranged on the second linear guide rail (603) in a sliding manner, a rack transmission assembly (605) which is arranged on the third rack (602) and is used for driving the connecting plate (604) to slide relative to the second linear guide rail (603), a first electric cylinder (606) which is arranged on the connecting plate (604) and is used for driving the sliding frame (601) to lift relative to the connecting plate (604), a third bearing which is arranged on the sliding frame (601) and is vertical to the conveying direction of the conveying line (1) in the axial direction, a first rotating shaft (607) sleeved in the third bearing, a fixing plate (613) which is arranged at one end of the first rotating shaft (607) close to the conveying line (1), a motor group (608) which is arranged on the sliding frame (601) and is used for driving the rotating shaft (607) to rotate relative to the other end of the first rotating shaft (609), a sixth linear guide rail (609) which is horizontally arranged on the fixing plate (609), and two clamping frames (609) which are arranged on the same as the six linear guide rails (610) and are arranged on the first linear guide rail (610) and are arranged on the fixing plate (610) and are arranged opposite to the fixing plate (609), and are arranged on the fixing plate (610) and are arranged symmetrically, and are arranged on the fixing plate (609), and are arranged on the six linear guide rail (610) and are arranged opposite to drive the same as the clamping mechanism (610) and are arranged on the fixing plate (609), and are arranged on the clamping mechanism (610) and are arranged on the fixing plate (609), and a clamping mechanism (610) and are arranged opposite to move relative to the fixing plate (610) and are arranged on the fixing plate (609), and are arranged on the clamping mechanism (610) and are arranged on the fixing plate (610) and are arranged opposite to drive the clamping mechanism (610) and are arranged 611 The clamping frame (610) is provided with an arc groove used for being clamped with the upper valve body on the opposite side.

7. A ball valve assembly line according to claim 1, wherein: the nut pre-screwing mechanism (7) comprises a fifth rack (71), a mounting seat (72) arranged on the fifth rack (71), a first pressing component (73) arranged at the upper end of the mounting seat (72) and used for pressing an upper valve body and a lower valve body from top to bottom, a jacking piece (74) arranged at the lower end of the mounting seat (72) and used for supporting a bearing seat (104), a driving component (75) arranged on the mounting seat (72) and used for driving the jacking piece (74) to lift, and a first supporting component (76) arranged on the fifth rack (71) and used for supporting a second conveying line roller shaft (102).

8. A ball valve assembly line according to claim 1, wherein: the tightening mechanism (8) comprises a fourth machine frame (801), a second pressing assembly (802) arranged at the upper end of the fourth machine frame (801) and used for pressing down the valve body, a rotary supporting assembly (803) arranged at the lower end of the fourth machine frame (801) and used for supporting a first plate (1041), a third lifting supporting assembly (804) arranged at the lower end of the fourth machine frame (801) and used for supporting a second roller shaft conveying line (102), and two tightening assemblies (805) respectively arranged on the fourth machine frame (801) at two sides of the conveying line (1), the tightening assembly (805) comprises a carrier plate (8051) horizontally arranged on a fourth rack (801), a third linear guide rail (8052) horizontally arranged on the carrier plate (8051) and vertical to the conveying line (1) in the extending direction, a vertical seat (8053) arranged on the third linear guide rail (8052) in a sliding manner, a second lead screw module (8054) arranged on the carrier plate (8051) and used for driving the vertical seat (8053) to slide relative to the third linear guide rail (8052), a fourth linear guide rail (8055) vertically arranged on the vertical seat (8053), a connecting seat (8056) arranged on the fourth linear guide rail (8055) in a sliding manner, a third lead screw module (8057) arranged on the vertical seat (8053) and used for driving the connecting seat (8056) to slide relative to the fourth linear guide rail (8055), set up No. two motor (8058) on connecting seat (8056), with No. two motor (8058) output be connected speed reducer (8059) and inside hollow and with connecting seat (8056) fixed connection screw up head (8060), screw up head (8060) one end be provided with speed reducer (8059) coaxial coupling's a gear, screw up head (8060) other end set up a linear bearing, a linear bearing endotheca is equipped with the axis of rotation, the axis of rotation upper end is provided with the No. two gears of being connected with a gear drive, the axis of rotation lower extreme is provided with sleeve (8061) that are used for with the nut joint.

9. A ball valve assembly line according to claim 1, wherein: the detection mechanism comprises an airtight detection assembly (30) and an airtight detection assembly (30) which are the same in structure and a second manipulator (12) used for transferring a valve, the airtight detection assembly (30) comprises a workbench (301), at least three airtight test units (302) are arranged on the workbench (301), torque test units (303) which are in one-to-one correspondence with the airtight test units (302) are arranged on the workbench (301) on one side of the airtight test units (302), the airtight test units (302) comprise a mounting plate (3021) arranged on the workbench (301), a first support (3022) and a blocking plate (3023) which is arranged in the first support (3022) and used for placing one end of the valve are arranged on the mounting plate (3021), be provided with power supply (3024) No. one of output orientation shutoff board (3023) on a support (3022), the fixed press board (3025) that are used for the shutoff valve other end that is provided with of output of power supply (3024), be provided with the runner No. one of valve one end intercommunication valve cavity on shutoff board (3023), be provided with the runner No. two of valve other end intercommunication valve cavity on press board (3025), torque test unit (303) include No. two supports (3031) that correspond with a support (3022), no. five linear guide (3032) that the level set up on No. two supports (3031), the removal seat (3038) of sliding setting on No. five linear guide (3032), set up No. two electric cylinder (3033) that are used for driving removal seat (3038) relative No. five linear guide (3032) motion on No. two support (3031), set up No. two linear bearing (3034) on removal seat (3038), establish No. two pivot (3036) on No. two linear bearing (3034) and set up and be used for driving No. two pivot (3036) pivoted No. two motor assembly (3034) on removal seat (3038), no. two pivot (3036) are provided with recess (6100) of being connected with the valve rod towards transfer chain (1) one end, be provided with torque sensor (3037) on No. two pivot (3036).