CN115401434B

CN115401434B - Ball valve assembly production line

Info

Publication number: CN115401434B
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: 2024-02-13
Anticipated expiration: 2042-09-13
Also published as: CN115401434A

Abstract

The invention discloses a ball valve assembly production line which comprises a conveying line, a feeding mechanism, an oil injection mechanism, a valve rod platform for installing a positioning valve rod, a screw rod screwing-up mechanism, a folding mechanism, a pre-screwing nut mechanism, a screwing mechanism for screwing nuts, a marking mechanism, a testing mechanism for testing valves, a first manipulator arranged at the starting end of the conveying line and used for transferring products in the feeding mechanism to the oil injection mechanism and transferring products 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 products in the screwing mechanism to the testing mechanism and products in the testing mechanism to the marking mechanism. The advantages are that: the requirements of reducing logistics turnover, sites, manual labor, improving assembly efficiency and the like are met. The automatic and safety degree is high, and the quantitative assessment index of the valve industry is 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

The ball valve is applied to the pipeline, so that the confluence, the diversion and the flow direction switching of the medium can be flexibly controlled, and meanwhile, any one channel can be closed to connect the other two channels. 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 an upper valve body, a lower valve body, a valve seat, a valve rod and the like are required to be assembled, the traditional production mode cannot achieve standardized management and quality tracking, logistics turnover is more, the occupied area is larger, and the 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 turnover, large occupied area and low production efficiency of ball valve production logistics.

The technical scheme adopted by the invention is as follows:

ball valve assembly line, including the transfer chain, follow according to the valve production process the transfer chain has set gradually feeding mechanism, oil spout mechanism, be used for installing the valve rod platform of location valve rod, be used for the screw rod to screw up screw rod mechanism, be used for the last valve body with the lower valve body folds up the mechanism of folding up of mechanism, be used for installing the nut on the screw rod screw nut mechanism in advance, be used for screwing up the mechanism of screwing up of nut, carry out laser marking's marking mechanism and be used for carrying out the testing mechanism to the valve, still include the setting at the transfer chain initiating terminal and be used for transferring the product in the feeding mechanism to oil spout mechanism and transfer the product in the oil spout mechanism to the manipulator of No. one of transfer chain, the setting is used for transferring the product in the mechanism of screwing up to testing mechanism in and transfer the product in the testing mechanism to marking mechanism No. two manipulators.

Further is: the conveying line comprises a first roller conveying line, a second roller conveying line, a lifting conveying assembly and a bearing and placing seat, wherein the first roller conveying line is identical in structure, the second roller conveying line is arranged above the first roller conveying line, the lifting conveying assembly is arranged at two ends of the first roller conveying line, the second roller conveying line and the bearing and placing seat are arranged on the lifting conveying assembly in a rolling mode, the lifting conveying assembly comprises a mounting frame, a first linear guide rail which is vertically arranged on the mounting frame, a connecting frame which is in sliding connection with the first linear guide rail, a belt conveying part which is horizontally arranged on the connecting frame, and a lifting power source which is fixedly arranged on the mounting frame and used for driving the connecting frame to lift along the first linear guide rail, the belt conveying part comprises a driving wheel, a driven wheel, a belt which is wound on the driving wheel and the driven wheel, and a first motor which is arranged on the connecting frame and used for driving the driving wheel to rotate, the mounting plate can enter the first conveying assembly or the second conveying assembly through the lifting conveying assembly, a first plate which is used for placing an upper valve body and a second plate which is used for placing a lower valve body are arranged on the bearing and placing seat.

Further is: the feeding mechanism is used for conveying a third roller conveying line of the upper valve body, a fourth roller conveying line of the lower valve body and a lifting assembly for providing a valve seat, the lifting assembly comprises a first rack, a mounting plate arranged on the first rack, a plurality of stand columns arranged on the mounting plate, an annular column connected with the top ends of the stand columns, a linear module arranged on the rack on one side of the mounting plate and a supporting plate arranged on the linear module and used for lifting the valve seat, and the first manipulator comprises a mechanical arm and a first clamping jaw arranged on the mechanical arm and used for grabbing the upper valve body and the lower valve body and a second clamping jaw used for grabbing the valve seat.

Further is: the valve rod platform includes that the lower extreme sets up the mount at No. two roller transfer chain lower extreme, be provided with the jacking cylinder that is used for carrying out the jacking to the mounting panel on the mount, the mount upper end sets up No. two roller transfer chain upper ends, the mount upper end is provided with the connecting rod, sliding connection has the rifle of screwing up on the connecting rod.

Further is: the screw screwing-up mechanism comprises a second rack arranged outside the conveying line, a vibrating disc arranged on one side of the conveying line and used for providing studs, a direct vibrator connected with an outlet of the vibrating disc, a steering transfer component arranged on the second rack and used for steering the studs, a centering component arranged on the second rack and used for receiving the studs transferred by the steering transfer component, a grabbing component used for grabbing the studs in the centering component, and a four-axis electric claw used for sending the studs in the grabbing component into a lower valve body and screwing, wherein the steering transfer component comprises a first claw, a first rotary cylinder used for driving the first claw to steer, a first cylinder used for driving the first rotary cylinder to lift, and a first linear module used for driving the first cylinder to horizontally move, and the centering component comprises a centering button, a screw rod arranged on the centering plate, two nuts arranged on the screw rod and opposite in rotation direction, and comprises a connecting piece arranged on the second rack, a second rotary cylinder arranged on the connecting piece, and a second claw arranged on the second rotary cylinder.

Further is: the folding mechanism comprises a sliding frame, a third frame arranged on the outer side of the conveying line, a second linear guide rail arranged at the upper end of the third frame and consistent with the conveying direction of the conveying line, a connecting plate arranged on the second linear guide rail in a sliding manner, a rack transmission assembly arranged on the third frame and used for driving the connecting plate to slide relative to the second linear guide rail, a first electric cylinder arranged on the connecting plate and used for driving the sliding frame to lift relative to the connecting plate, a third bearing arranged on the sliding frame and axially perpendicular to the conveying direction of the conveying line, a first rotating shaft sleeved in the third bearing, a fixed plate arranged on the first rotating shaft and close to one end of the conveying line, a first motor unit arranged on the second rotating shaft and used for driving the first rotating shaft to rotate, a sixth linear guide rail horizontally arranged on the fixed plate, two clamping frames which have the same structure and symmetrically slide and are arranged on the sixth linear guide rail, and a first lead screw module fixedly arranged on the fixed plate and used for driving the two clamping frames to move relative to the sixth linear guide rail in the same or opposite directions, and a circular arc groove used for being clamped with the upper valve body is formed on one opposite side of the clamping frame.

Further is: the pre-screwing nut mechanism comprises a third frame, a mounting seat arranged on the third 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 frame and used for supporting the second roller conveying line.

Further is: the screw-down mechanism comprises a fourth rack, a second compression assembly arranged at the upper end of the fourth rack and used for pressing down a valve body, a rotary support assembly arranged at the lower end of the fourth rack and used for supporting a first plate, a third lifting support assembly arranged at the lower end of the fourth rack and used for supporting a second roller shaft conveying line, and two screw-down assemblies respectively arranged on the fourth rack on two sides of the conveying line, wherein the screw-down assembly comprises a carrier plate horizontally arranged on the fourth rack, a third linear guide rail horizontally arranged on the carrier plate and vertical to the direction of the conveying line, a vertical seat slidably arranged on the third linear guide rail, a fourth screw rod module arranged on the carrier plate and used for driving the vertical seat to slide relative to the fourth linear guide rail, a second motor arranged on the connecting seat and connected with the output end of the second motor, a first screw rod module arranged on the vertical seat and a second screw rod module arranged on the vertical seat, and a second screw rod module arranged on the vertical seat and the second screw rod module.

Further is: the testing mechanism comprises an airtight detection component and an airtight detection component which are identical in structure, and a second manipulator used for transferring a valve, wherein the airtight detection component comprises a workbench, at least three airtight testing units are arranged on the workbench, torque testing units which are in one-to-one correspondence with the airtight testing units are arranged on the workbench on one side of the airtight testing units, the airtight testing units comprise a setting plate arranged on the workbench, a first support and a plugging plate which is positioned in the first support and is used for placing one end of the valve are arranged on the setting plate, a first power source with an output end facing the plugging plate is arranged on the first support, a pressing plate used for plugging the other end of the valve is fixedly arranged at the output end of the first power source, a first runner which is communicated with one end of the valve is arranged on the plugging plate, a second runner which is communicated with the valve cavity from the other end of the valve is arranged on the pressing plate, the torque testing unit comprises a second support corresponding to the first support, a fifth linear guide rail which is horizontally arranged on the second support, a second motor which is arranged on the second support, a second linear guide which is arranged on the second support, a second rotary shaft which is arranged on the second linear guide which is arranged on the second rotary shaft which is arranged on the second linear guide seat which is arranged on the second rotary shaft which is in the rotary shaft which is arranged on the second linear guide seat and the rotary shaft which is arranged on the rotary shaft which is arranged.

The invention has the beneficial effects that: the requirements of reducing logistics turnover, sites, manual labor, improving assembly efficiency and the like are met. The assembly process has the advantages of meeting the requirements of assembly leakage prevention, error prevention, pressure control detection, torsion control, assembly position size and the like in the assembly process, being high in automation and safety degree and meeting the quantitative assessment index of the valve industry. And standardized management and quality tracking are facilitated.

Drawings

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

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

Fig. 3 is a schematic view of a first manipulator of a ball valve assembly line according to an embodiment of the present application.

Fig. 4 is a schematic diagram of a screw-up mechanism and a folding mechanism of a ball valve assembly line according to an embodiment of the present application.

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

Fig. 6 is a schematic diagram of a closing mechanism of a ball valve assembly line according to an embodiment of the present application.

Fig. 7 is a schematic side rear view of a closing mechanism of a ball valve assembly line according to an embodiment of the present application.

Fig. 8 is a schematic diagram of a clamping frame, a first screw rod module, a third linear bearing, a first rotating shaft and a sixth linear guide rail of a folding mechanism of a ball valve assembly production line according to an embodiment of the present application.

Fig. 9 is a schematic view of a pre-screw nut mechanism of a ball valve assembly line provided in 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 by an embodiment of the present application.

Fig. 12 is a schematic view of a tightening mechanism of a ball valve assembly line provided by an embodiment of the present application with a tightening assembly removed and a compression assembly No. two.

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

Fig. 15 is a schematic diagram of an airtight testing unit of an airtight testing assembly of a testing mechanism of a ball valve assembling line according to an embodiment of the present application.

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

Fig. 17 is a schematic view of a lifting assembly of a feed mechanism of a ball valve assembly line provided in an embodiment of the present application.

Marked in the figure as: 1. a conveying line; 2. a feeding mechanism; 3. an oil injection mechanism; 4. a valve stem platform; 5. a screw rod screwing mechanism is arranged; 6. a folding mechanism; 7. a pre-screwing nut mechanism; 8. a tightening mechanism; 9. a marking mechanism; 10. a testing mechanism; 11. a first manipulator; 12. a second manipulator; 101. a first roll shaft conveying line; 102. a second roll shaft conveying line; 103. lifting the conveying assembly; 104. a bearing seat; 1041. a first plate; 1042. a second plate; 1031. a mounting frame; 1032. a first linear guide rail; 1033. a connecting frame; 1034. a belt conveyor; 1035. lifting a power source; 21. a third roller conveyor line; 22. a fourth roller conveyor line; 23. a lifting assembly; 231. a first frame; 232. a mounting 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 the air cylinder; 43. a connecting rod; 44. tightening the gun; 501. a second frame; 502. a vibration plate; 503. a direct vibrator; 504. a steering transfer assembly; 505. centering components; 506. a grabbing component; 507. four-axis electric claw; 601. a carriage; 602. a third frame; 603. a second linear guide rail; 604. a connecting plate; 605. a rack drive assembly; 606. a first electric cylinder; 607. a first rotating shaft; 608. a motor group I; 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 base; 73. a first compression assembly; 74. a jacking member; 75. a drive assembly; 76. a first support assembly; 801. a fourth frame; 802. a second compression assembly; 803. a rotary support assembly; 804. a third lifting support component; 805. tightening 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 screw rod module III; 8058. a motor II; 8059. a speed reducer; 8060. tightening the head; 8061. a sleeve; 30. an airtight detection assembly; 20. a water pressure detection assembly; 301. a work table; 302. an airtight test unit; 303. a torque test unit; 3021. a setting plate; 3022. a first bracket; 3023. a plugging plate; 3024. a first power source; 3025. pressing the 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 a movable seat.

Detailed Description

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed 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 herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, the ball valve assembly production line provided by the embodiment of the application structurally comprises a conveying line 1, a feeding mechanism 2, an oil injection mechanism 3, a valve rod platform 4 for installing a positioning valve rod, an upper screw rod screwing mechanism 5 for screwing a screw rod, a folding mechanism 6 for folding an upper valve body and a lower valve body, a pre-screwing nut mechanism 7 for installing a nut on the screw rod, a screwing mechanism 8 for screwing the nut, a marking mechanism 9 for laser marking the valve and a testing mechanism 10 for testing the valve, and further comprises a first manipulator 11 arranged at the starting end of the conveying line 1 and used for transferring a product in the feeding mechanism 2 to the oil injection mechanism 3 and transferring the product in the oil injection mechanism 3 to the conveying line 1, and a second manipulator 12 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 10 and the product in the testing mechanism 10 to the marking mechanism 9.

It should be noted that the subsequent valve refers to the upper valve body and the lower valve body after being folded.

In actual use, the first manipulator 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 for oil injection, then the first manipulator 11 transfers the upper valve body and the lower valve body after oil injection to the conveying line 1, the valve rod is mounted on the lower valve body sequentially through the valve rod platform 4, then the conveying line 1 is followed to reach the screw screwing mechanism 5, the screw is mounted in a screw hole in the lower valve body, then the conveying line 1 is conveyed to the folding mechanism 6, and the upper valve body and the lower valve body are folded; the folded upper valve body and lower valve body are conveyed to a pre-screwing nut mechanism 7 along with the conveying line 1, and nuts are manually screwed on the screw rod and pre-screwed; then the conveying line 1 is conveyed to a tightening mechanism 8, and nuts are automatically tightened on the screw rods to form a valve; the second manipulator 12 then transfers the valve to the testing mechanism 10 for airtight detection, hydraulic pressure detection and torque detection; and after the detection is finished, the valve is transferred to a marking mechanism 9 by a second manipulator 12 for marking, and the material is received after the marking is finished.

In the design, the requirements of reducing logistics turnover, sites, manual labor, improving assembly efficiency and the like are met. The assembly process has the advantages of meeting the requirements of assembly leakage prevention, error prevention, pressure control detection, torsion control, assembly position size and the like in the assembly process, being high in automation and safety degree and meeting the quantitative assessment index of the valve industry. And standardized management and quality tracking are facilitated.

Specifically: as shown in fig. 1, fig. 3 and fig. 16, the conveying line 1 includes a roller conveying line 101 with the same structure, a roller conveying line 102 with a second structure arranged above the roller conveying line 101, a lifting conveying assembly 103 arranged at two ends of the roller conveying line 101, and a mounting plate 232 arranged on the roller conveying line 101, the roller conveying line 102 with a second structure 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 arranged on the mounting frame 1031, a connecting frame 1033 in sliding connection with the linear guide rail, a belt conveying member 1034 horizontally arranged on the connecting frame 1033, and a lifting power source 1035 fixedly arranged on the mounting frame 1031 and used for driving the connecting frame 1033 to lift along the linear guide rail, wherein the belt conveying member includes a driving wheel, a driven wheel, a belt wound on the driving wheel and the driven wheel, and a first motor arranged on the connecting frame 1033 and used for driving the driving wheel, the mounting plate 232 can enter the first conveying assembly or the second conveying assembly through the lifting conveying assembly 103, and a valve body 1042 and a valve body 1041 used for placing the first plate and the second plate 1041 are arranged on the bearing seat 104.

In actual use, the upper valve body and the lower valve body are respectively placed on the first plate 1041 and the second plate 1042, and are conveyed on the second roller conveying line 102, when the upper valve body and the lower valve body are assembled, the lifting conveying assembly 103 located at the tail end of the conveying direction of the conveying line 1 acts, specifically, the lifting power source 1035 drives the connecting frame 1033 to rise, so that the belt of the belt conveying piece 1034 is flush with the upper end of the roller conveying line 1, the bearing seat 104 enters the belt through the second roller conveying line 102, then the lifting power source 1035 drives the connecting frame 1033 to move downwards, the belt is reversely conveyed, the bearing seat 104 in the belt conveying line 1 is conveyed into the first roller conveying line 1, and then the bearing seat is lifted and conveyed onto the second roller conveying line 102 through the lifting conveying assembly 103 at the front end of the conveying line 1.

In the above-mentioned design, through setting up roller transfer chain 101 and No. two roller transfer chains 102, accomplish through promoting conveying component 103 and hold the circulation practicality of putting seat 104, practice thrift the manual work, improve work efficiency.

Specifically: as shown in fig. 1, 3 and 17, the feeding mechanism 2 comprises a third roller conveying line 21 for conveying an upper valve body, a fourth roller conveying line 22 for conveying a lower valve body and a lifting assembly 23 for providing a valve seat, the lifting assembly 23 comprises a first frame 231, a mounting plate 232 arranged on the first frame 231, a plurality of upright posts 233 arranged on the mounting plate 232, an annular column 234 connected with the top ends of the upright posts 233, a linear module 235 arranged on the frame on one side of the mounting plate 232, a supporting plate 236 arranged on the linear module 235 and used for lifting the valve seat, and the first manipulator 11 comprises a mechanical arm 113, a first clamping jaw 111 arranged on the mechanical arm 113 and used for grabbing the upper valve body and the lower valve body, and a second clamping jaw 112 used for grabbing the valve seat.

In actual use, the linear module 235 drives the support plate 236 to move upwards, so that the valve seats move upwards, the second clamping jaw 112 clamps the valve seats and transfers the valve seats into the lower valve body, and 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 mount base 104 by providing the first robot arm 11.

Specifically: as shown in fig. 2, the valve rod platform 4 includes a mounting frame 41 with a lower end disposed at a lower end of the second roller shaft conveying line 102, a jacking cylinder 42 for jacking the mounting plate 232 is disposed on the mounting frame 41, an upper end of the mounting frame 41 is disposed at an upper end of the second roller shaft conveying line 102, a connecting rod 43 is disposed at an upper end of the mounting frame 41, and a tightening gun 44 is slidably connected on the connecting rod 43.

Besides the upper valve body and the lower valve body, the assembly of the valve also comprises a valve rod, a gasket, a filler, a pressing plate and the like.

In actual use, when the bearing seat 104 enters the valve rod platform 4, the jacking cylinder 42 jacks up the bearing seat 104 to be separated from the second roller shaft conveying line 102, then the valve rod, the gasket, the filler, the pressing plate and the like are manually taken in sequence, the ball is taken out and put into the valve body, and the valve body is connected with the valve rod by the tightening gun 44. After completion, the jacking cylinder 42 is reset, so that the carrying seat 104 returns to the second roller conveyor line 102 again and moves along the second roller conveyor line 102.

Specifically: as shown in fig. 4 and 5, the screw screwing-up mechanism 5 includes a second frame 501 disposed outside the conveying line 1, a vibration plate 502 disposed at one side of the conveying line 1 for providing a screw, a vibrator 503 connected to an outlet of the vibration plate 502, a steering transfer component 504 disposed on the second frame 501 for steering the screw, a centering component 505 disposed on the second frame 501 for receiving the screw transferred by the steering transfer component 504, a gripping component 506 for gripping the screw in the centering component 505, a four-axis electric claw 507 for feeding the screw in the gripping component 506 into the lower valve body and screwing, the steering transfer component 504 includes a first claw, a first rotary cylinder for driving the first claw to steer, a first cylinder for driving the first rotary cylinder to lift, a first linear module 235 for driving the first cylinder to horizontally move, the centering component 505 includes a centering screw disposed on the centering plate, two nuts disposed on the screw and rotating reversely, the gripping component 506 includes a connecting piece disposed on the second frame, a second rotary cylinder disposed on the connecting piece, and a second rotary cylinder disposed on the connecting piece.

During actual use, the vibration plate 502 provides a screw, the screw enters the direct vibrator 503 after passing through the vibration plate 502, the screw flows out of the direct vibrator 503 and is clamped and turned by the first claw of the turning transfer component 504, the turned screw is conveyed into the centering component 505, and the screw of the centering component 505 rotates to drive the two nuts to move in opposite directions, so that the two nuts respectively abut against the two ends of the screw. Then, the second claw picks up the screw rod centered by the centering assembly 505 from the column shaft clamp of the screw rod, the second rotary cylinder rotates, so that the clamping jaw is in a vertical state, and then the four-axis electric claw 507 picks up the screw rod from the upper end claw of the screw rod, and screws the screw rod into the screw hole of the lower valve body.

In the design, the screw rod can be automatically screwed into the screw hole of the lower valve body, and the screw rod is convenient and efficient.

Specifically: as shown in fig. 4, fig. 5, fig. 6, fig. 7 and fig. 8, the folding mechanism 6 includes a sliding frame 601, a No. three frame 602 disposed outside the conveying line 1, a No. two linear guide 603 disposed at an upper end of the No. three frame 602 and in accordance with a conveying direction of the conveying line 1, a connecting plate 604 disposed on the No. two linear guide 603 in a sliding manner, a rack transmission assembly 605 disposed on the No. three frame 602 and used for driving the connecting plate 604 to slide relative to the No. two linear guide 603, a No. one electric cylinder 606 disposed on the connecting plate 604 and used for driving the sliding frame 601 to lift relative to the connecting plate 604, a No. three bearing disposed on the sliding frame 601 and axially perpendicular to the conveying direction of the conveying line 1, a No. one rotary shaft 607 sleeved in the No. three bearing, a fixing plate 613 disposed at one end of the No. rotary shaft 607 and close to the conveying line 1, a No. one motor group 608 disposed at the other end of the No. one rotary shaft 607 and used for driving the rotation of the No. one rotary shaft 607, a No. six linear guide 609 disposed horizontally on the fixing plate 613, two clamping frames 610 disposed on the No. six linear guide 609 and symmetrically and having the same structure and disposed on the No. six linear guide 609, a fixing frame 613 fixedly disposed on the fixing plate 613 and used for driving the sliding frame 610 disposed on the six linear guide rails and the opposite sides of the two opposite circular guide blocks 610.

The first motor group 608 includes a motor and a speed reducer 8059 provided at an output end of the motor.

In actual use, after the lower valve body is screwed into the screw rod, the rack transmission assembly 605 drives the connecting plate 604 to move to one side of the upper valve body, after the connecting plate is moved to the corresponding position of the upper valve body, the first electric cylinder 606 drives the sliding frame 601 to move downwards, after the sliding frame 601 moves downwards to the horizontal position where the clamping frames 610 are properly clamped, the first screw rod module 611 drives the two clamping frames 610 to move in opposite directions, so that the side part of the upper valve body is placed in the circular arc groove, then the first electric cylinder 606 drives the sliding frame 601 to ascend, so that the upper valve body clamped by the clamping frames 610 ascends synchronously, when the upper valve body ascends to a space enough to reserve the fixing plate 613 to vertically rotate for one circle, the first motor group 608 drives the first rotating shaft 607 to rotate, the fixing plate 613 to overturn, so that the upper valve body overturns, then the rack transmission assembly 605 drives the connecting plate 604 to move downwards to one side of the valve body, and after the sliding frame 601 moves to the corresponding position of the lower valve body, the first electric cylinder 606 drives the sliding frame 601 to move downwards, so that the through hole of the upper valve body passes through the screw rod on the lower valve body and contacts with the lower valve body, and then the clamping frames 610 are driven by the first screw rod module 611 to ascend, so that the upper valve body is separated from the upper valve body once.

In the design, the upper valve body and the lower valve body can be automatically folded, the accuracy is high, the automation degree is high, the operation convenience is high, and the production efficiency is improved.

Specifically: as shown in fig. 9, the pre-screwing nut mechanism 7 includes a No. five frame 71, a mounting seat 72 disposed on the No. five frame 71, a No. one pressing assembly 73 disposed at an upper end of the mounting seat 72 and used for pressing the upper valve body and the lower valve body from top to bottom, a lifting member 74 disposed at a lower end of the mounting seat 72 and used for supporting the bearing seat 104, a driving assembly 75 disposed on the mounting seat 72 and used for driving the lifting member 74 to lift, and a No. one supporting assembly 76 disposed on the No. five frame 71 and used for supporting the No. two roller conveying lines 102.

In actual use, the first pressing assembly 73 presses down the upper end of the folded upper valve body, and the driving assembly 75 drives the lifting member 74 to lift up to the lower end of the bearing seat 104 to prop against the lower end of the bearing seat, and the first supporting member always supports the second roller conveying line 102 below the bearing plate. The nut is manually screwed on the screw.

In the design, the upper valve body and the lower valve body which are folded when the screw is manually screwed with the nut can be ensured to be in a stable state.

Specifically: as shown in fig. 10, 11 and 12, the tightening mechanism 8 comprises a frame 801, a compressing assembly 802 arranged at the upper end of the frame 801 and used for pressing down the valve body, a rotary supporting assembly 803 arranged at the lower end of the frame 801 and used for supporting a plate 1041, a lifting supporting assembly 804 arranged at the lower end of the frame 801 and used for supporting a roller conveying line 102, and tightening assemblies 805 respectively arranged on the frames 801 at two sides of the conveying line 1, wherein the tightening assemblies 805 comprise a carrier 8051 horizontally arranged on the frame 801, a linear guide 8052 horizontally arranged on the carrier 8051 and with the extending direction vertical to the direction of the conveying line 1, a vertical seat 8053 arranged on the linear guide 8052, a linear guide 8054 arranged on the carrier 8051 and used for driving the vertical seat 8053 to slide relative to the linear guide 8052, a linear guide 8055 arranged on the vertical seat 8053, a connecting seat 8055 arranged on the linear guide 8055, a speed reducer 8058 arranged on the end of the sliding seat 8055, a sliding head 8058 arranged on the sliding seat 8055, a sleeve-type 8060, a speed reducer 8058 arranged on the sliding seat 8060, and a connecting end of the sliding seat 8060, and a sleeve-type seat 8060 arranged on the sliding seat, and a sliding seat 8060, and a sliding seat arranged on the sliding seat. When the screwing of one nut is completed, the rotary support assembly 803 drives the first plate 1041 to rotate, so that the other nut is placed in the sleeve 8061.

In actual use, the lower end of the second roller conveying line 102 abuts against the upper end of the third lifting support assembly 804, the second support assembly supports the first plate 1041, then the second roller conveying line 102 is communicated with the bearing seat 104 to move under the action of the third lifting support assembly 804, and the second pressing assembly 802 presses the upper end of the folded upper valve body, so that the first plate 1041 is separated from the bearing seat 104. The tightening assembly 805 then works, specifically, the second screw rod module 8054 drives the vertical seat 8053 to move to one side of the valve along the third linear guide rail 8052, when the vertical seat moves to the position, right above the nut, of the sleeve 8061, the third screw rod 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, and the rotating shaft drives the sleeve 8061 to rotate, so that screwing of the nut is realized.

In the design, the nut can be automatically screwed, and the working efficiency is effectively improved.

Specifically: as shown in fig. 13, 14 and 15, the testing mechanism 10 includes an airtight detecting assembly 30 and an airtight detecting assembly 30 with the same structure, and a second manipulator 12 for transferring a valve, the airtight detecting assembly 30 includes a workbench 301, at least three airtight testing units 302 are arranged on the workbench 301, torque testing units 303 corresponding to the airtight testing units 302 one by one are arranged on the workbench 301 at one side of the airtight testing units 302, the airtight testing units 302 include a setting plate 3021 arranged on the workbench 301, a first bracket 3022 and a sealing plate 3023 arranged in the first bracket 3022 for placing one end of the valve are arranged on the setting plate 3021, a first power source 3024 with an output end facing the sealing plate 3023 is arranged on the first bracket 3022, a pressing plate 3025 for sealing the other end of the valve is fixedly arranged at the output end of the first power source 3024, the plugging plate 3023 is provided with a first flow passage which is communicated with the valve cavity from one end of the valve, the pressing plate 3025 is provided with a second flow passage which is communicated with the valve cavity from the other end of the valve, the torque testing unit 303 comprises a second bracket 3031 corresponding to the first bracket 3022, a fifth linear guide 3032 horizontally arranged on the second bracket 3031, a movable seat 3038 slidingly arranged on the fifth linear guide 3032, a second electric cylinder 3033 arranged on the second bracket 3031 and used for driving the movable seat 3038 to move relative to the fifth linear guide 3032, a second linear bearing 3034 arranged on the movable seat 3038, a second rotary shaft 3036 sleeved on the second linear bearing 3034 and a second motor group 3035 arranged on the movable seat 3038 and used for driving the second rotary shaft 3036 to rotate, the second rotary shaft 3036 is provided with a groove 6100 connected with the valve rod towards one end of the conveying line 1, a torque sensor 3037 is disposed on the second rotating shaft 3036.

At this time, the upper valve body and the lower valve body are folded and nuts are screwed to form a valve, the upper end and the lower end of the valve are through holes connected with an external pipeline, and the middle part of the valve is a cavity communicated with the through holes. The airtight detecting unit includes an air pressure detector for detecting air pressure.

In 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 is propped against the plugging plate 3023, the upper end is propped against the pressing plate 3025, the first manipulator is communicated with the cavity, the first manipulator is ventilated into the cavity, and the air pressure detector is used for detecting whether the air pressure in the cavity changes. Meanwhile, the electric cylinder on the second bracket 3031 drives the movable 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 3035 is started to give torque force to the second rotating shaft 3036, and the torque sensor 3037 detects the torque force born by the valve rod. After the airtight detection is completed, the second manipulator 12 transfers the valve of the airtight detection assembly 30 to the water pressure detection assembly 20, so that the lower end of the valve is propped against the plugging plate 3023, the upper end of the valve is propped against the pressing plate 3025, the first valve is communicated with the cavity, water is introduced into the cavity through the first valve, and whether the valve leaks water is observed. Meanwhile, the electric cylinder on the second bracket 3031 drives the movable 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 3035 is started to give torque force to the second rotating shaft 3036, and the torque sensor 3037 detects the torque force born by the valve rod.

In the design, the valve can be subjected to torque test, water pressure test and air tightness test, so that the valve is higher in factory yield.

It should be understood that the foregoing description is only illustrative of the present invention and is not intended to limit the invention to the particular forms disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. Ball valve assembly line, its characterized in that: the automatic valve assembling device comprises a conveying line (1), a feeding mechanism (2), an oil injection mechanism (3), a valve rod platform (4) for installing and positioning a valve rod, an upper screwing screw mechanism (5) for screwing a screw, a folding mechanism (6) for folding an upper valve body and a lower valve body, a pre-screwing nut mechanism (7) for installing a nut on the screw, a screwing mechanism (8) for screwing the nut, a marking mechanism (9) for marking the valve by laser and a testing mechanism (10) for testing the valve, and further comprises a first manipulator (11) arranged at the starting end of the conveying line (1) and used for transferring products in the feeding mechanism (2) to the oil injection mechanism (3) and transferring products in the oil injection mechanism (3) to the conveying line (1), and a second manipulator (12) arranged at the tail end of the conveying line (1) and used for transferring products in the screwing mechanism (8) to the testing mechanism (10) and products in the testing mechanism (10) to the marking mechanism (9);

The screw screwing-up mechanism (5) comprises a second rack (501) arranged on the outer side of the conveying line (1), a vibrating disc (502) arranged on one side of the conveying line (1) and used for providing studs, a first rotary cylinder used for driving the first rotary cylinder to move up and down, a first linear module (235) arranged on the second rack (501) and used for steering and transferring the studs, a centering component (505) arranged on the second rack (501) and used for receiving the studs transferred by the steering and transferring component (504), a grabbing component (506) used for grabbing the studs in the centering component (505), and a four-axis electric claw (507) used for feeding the studs in the grabbing component (506) into the lower valve body and screwing the studs, wherein the steering and transferring component (504) comprises a first claw, a first rotary cylinder used for driving the first claw to turn, a first linear module (235) used for driving the first cylinder to move horizontally, the centering component (505) comprises a centering press, a screw rod arranged on the centering and two opposite rotating direction grabbing components (506) arranged on the second rack (501);

The folding mechanism (6) comprises a sliding frame (601), a third frame (602) arranged on the outer side of the conveying line (1), a second linear guide rail (603) arranged at the upper end of the third frame (602) and 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) arranged on the third frame (602) and used for driving the connecting plate (604) to slide relative to the second linear guide rail (603), a first electric cylinder (606) arranged on the connecting plate (604) and used for driving the sliding frame (601) to lift relative to the connecting plate (604), a third bearing arranged on the sliding frame (601) and axially perpendicular to the conveying direction of the conveying line (1), a first rotating shaft (607) sleeved in the third bearing, a fixed plate (613) arranged on the first rotating shaft (607) close to one end of the conveying line (1), a first motor group (608) arranged on the sliding frame (601) and used for driving the first rotating shaft (607) with the other end, a sixth linear guide rail (609) horizontally arranged on the fixed plate (613), and a second linear guide rail (609) symmetrically arranged on the second linear guide rail (610) The screw rod module (611) is fixedly arranged on the fixing plate (613) and used for driving the two clamping frames (610) to move in the same or opposite directions relative to the six-number linear guide rail (609), and an arc groove used for being clamped with the upper valve body is formed in one side, opposite to the clamping frames (610).

2. The ball valve assembly line of claim 1, wherein: the conveying line (1) comprises a first roller conveying line (101) with the same structure, a second roller conveying line (102) arranged above the first roller conveying line (101), a lifting conveying component (103) arranged at two ends of the first roller conveying line (101) and a bearing seat (104) arranged on the first roller conveying line (101), the second roller conveying line (102) and the lifting conveying component (103) in a rolling manner, the lifting conveying component (103) comprises a mounting frame (1031), a first linear guide rail (1032) vertically arranged on the mounting frame (1031), a connecting frame (1033) in sliding connection with the first linear guide rail (1032), a belt conveying piece (1034) horizontally arranged on the connecting frame (1033) and a lifting power source (1035) fixedly arranged on the mounting frame (1031) and used for driving the connecting frame (3) to lift along the first linear guide rail (1032), the belt conveying piece (1034) comprises a driving wheel arranged on the connecting frame (1033), a driven wheel, a belt wound on the driving wheel and the driven wheel and the connecting frame (1033) and a motor arranged on the connecting frame (1033) and used for driving the first valve body (1042) to be placed on the valve body (1041), the first plate (1041) and the second plate (1042) are inserted into the bearing seat (104).

3. The ball valve assembly line of claim 1, wherein: the feeding mechanism (2) comprises a third roller conveying line (21) for conveying an upper valve body, a fourth roller conveying line (22) for conveying a lower valve body and a lifting assembly (23) for providing a valve seat, wherein the lifting assembly (23) comprises a first rack (231), a mounting plate (232) arranged on the first rack (231), a plurality of stand columns (233) arranged on the mounting plate (232), an annular column (234) connected with the top end of the stand column (233), a linear module (235) arranged on the rack on one side of the mounting plate (232), and a supporting plate (236) arranged on the linear module (235) and used for lifting the valve seat, and the first manipulator (11) comprises a mechanical arm (113), a first clamping jaw (111) arranged on the mechanical arm (113) and used for grabbing the upper valve body and the lower valve body, and a second clamping jaw (112) used for grabbing the valve seat.

4. The ball valve assembly line of claim 2, wherein: the valve rod platform (4) is including lower extreme setting at mount (41) of No. two roller transfer chain (102) lower extreme, be provided with on mount (41) and be used for carrying out jacking cylinder (42) of jacking to mounting panel (232), mount (41) upper end setting is at No. two roller transfer chain (102) upper ends, mount (41) upper end is provided with connecting rod (43), sliding connection has on connecting rod (43) to screw up rifle (44).

5. The ball valve assembly line of claim 1, wherein: the pre-screwing nut mechanism (7) comprises a No. five frame (71), a mounting seat (72) arranged on the No. five frame (71), a No. one pressing assembly (73) arranged at the upper end of the mounting seat (72) and used for pressing the upper valve body and the 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 assembly (75) arranged on the mounting seat (72) and used for driving the jacking piece (74) to lift, and a No. one supporting assembly (76) arranged on the No. five frame (71) and used for supporting a No. two roller conveying line (102).

6. The ball valve assembly line of claim 1, wherein: the screw tightening mechanism (8) comprises a No. four rack (801), a No. two compression assembly (802) arranged at the upper end of the No. four rack (801) and used for pressing down a valve body, a rotary supporting assembly (803) arranged at the lower end of the No. four rack (801) and used for supporting a No. one plate (1041), a No. three lifting supporting assembly (804) arranged at the lower end of the No. four rack (801) and used for supporting a No. two roller conveying line (102), and two screw tightening assemblies (805) respectively arranged on the No. four rack (801) at two sides of the conveying line (1), wherein the screw tightening assembly (805) comprises a carrier plate (8051) horizontally arranged on the No. four rack (801), a No. three linear guide rail (8052) horizontally arranged on the carrier plate (8051) and vertical to the direction of the conveying line (1), a vertical seat (8053) arranged on the No. three linear guide rail (8052) in a sliding manner, a No. two vertical seat (8054) arranged on the carrier plate (8051) and used for driving the vertical seat (8053) relative to the No. four linear guide rail (8052), a No. four linear guide rail (8055) arranged on the vertical seat (8055) and a linear guide rail (8055) arranged on the four linear guide (8055 The novel nut screwing device comprises a second motor (8058) arranged on a connecting seat (8056), a speed reducer (8059) connected with the output end of the second motor (8058) and a screwing head (8060) which is hollow and fixedly connected with the connecting seat (8056), wherein one end of the screwing head (8060) is provided with a first gear coaxially connected with the speed reducer (8059), the other end of the screwing head (8060) 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 connected with a first gear in a transmission mode, and the lower end of the rotating shaft is provided with a sleeve (8061) used for being clamped with a nut.

7. The ball valve assembly line of claim 1, wherein: the testing mechanism (10) comprises an airtight detection assembly (30) and an airtight detection assembly (30) which are identical 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 testing units (302) are arranged on the workbench (301), torque testing units (303) which are in one-to-one correspondence with the airtight testing units (302) are arranged on the workbench (301) on one side of the airtight testing units (302), the airtight testing units (302) comprise a setting plate (3021) arranged on the workbench (301), a first support (3022) and a plugging plate (3023) which is arranged in the first support (3022) and used for placing one end of the valve are arranged, a first power source (3024) with an output end facing the plugging plate (3023) is arranged on the first support (3022), a pressing plate (3025) used for one end of the valve is fixedly arranged on the workbench (301), the first power source (3023) is arranged on the first support (3023) and is communicated with a flow channel (303) which is communicated with the second cavity (3035) through the valve, and the first support (3023) is communicated with the second cavity (3035) through the valve The automatic valve rod feeding device comprises a five-number linear guide rail (3032) horizontally arranged on a two-number bracket (3031), a movable seat (3038) slidably arranged on the five-number linear guide rail (3032), a two-number electric cylinder (3033) arranged on the two-number bracket (3031) and used for driving the movable seat (3038) to move relative to the five-number linear guide rail (3032), a two-number linear bearing (3034) arranged on the movable seat (3038), a two-number rotating shaft (3036) sleeved on the two-number linear bearing (3034) and a two-number motor group (3035) arranged on the movable seat (3038) and used for driving the two-number rotating shaft (3036) to rotate, wherein a groove (6100) connected with a valve rod is formed in one end of the two-number rotating shaft (3036) towards the conveying line (1), and a torque sensor (3037) is arranged on the two-number rotating shaft (3036).