CN112692567A - Multi-specification assembling all-in-one machine for large ball valves - Google Patents

Abstract

The invention relates to a large ball valve multi-specification assembly all-in-one machine, which comprises a turnover device, an assembling device, a transfer device and a transfer device, wherein the transfer device comprises a truss, a manipulator a, a manipulator b and a manipulator c, and the truss is connected with the turnover device and the assembling device, and is characterized by further comprising: the pre-installation device comprises a workbench, a limiting assembly, an installation assembly opposite to the limiting assembly and a synchronous driving assembly; and the sealing ring assembly is arranged at the center of the cylindrical table and bears the second sealing ring unit and pushes the second sealing ring unit to be sent into the valve body. The first sealing ring is selected to be correspondingly arranged on the valve body through the rotation of the synchronous driving assembly driving mounting assembly, the turnover device is driven to move synchronously, the second sealing unit is assembled while the first sealing ring is mounted, and the technical problem that the assembly efficiency is low due to the fact that a large amount of manual sealing rings are required to be filled is solved.

Description

Multi-specification assembling all-in-one machine for large ball valves

Technical Field

The invention relates to the technical field of valve production equipment, in particular to a large ball valve multi-specification assembly all-in-one machine.

Background

The ball valve is widely used as a control element of pipeline fluid in various working fields, and has the advantages of small fluid resistance, quick opening and closing and simpler structure. In the production and assembly process of the ball valve, the large ball valve is manually assembled, and the valve body and the valve core are heavy, so that the large ball valve is very inconvenient to turn and assemble, the labor intensity is high, the production efficiency is low, and safety accidents are easy to occur.

Patent document CN201811330144.8 discloses a valve assembly system and an assembly process for assembling a valve body member with a connecting hole and a pump cover member into a whole, which includes a frame assembly installed on the ground, a valve body input channel arranged on the frame assembly, a valve body conveying device arranged on the frame assembly and connected with an outlet of the valve body input channel in a working procedure, and a valve body cleaning device arranged on the valve body conveying device; the valve body conveying device comprises a conveying rack arranged on the rack assembly, a conveying circulating conveying chain circularly arranged on the conveying rack, a conveying driving chain wheel arranged on the conveying rack and in transmission connection with the conveying circulating conveying chain, and conveying clamping fixtures which are distributed on the conveying circulating conveying chain and used for mounting valve body parts.

However, in the practical use process, the inventor finds that different working platforms are needed for assembling ball valves with different specifications, and a large amount of manual sealing ring filling is needed, so that the assembling efficiency is low.

Disclosure of Invention

The invention aims to provide a large ball valve multi-specification assembly all-in-one machine, which is characterized in that a synchronous driving assembly drives an installation assembly to rotate, so that a first sealing ring is correspondingly installed on a valve body and a turnover device is synchronously driven to move, the first sealing ring is installed and a second sealing unit is assembled at the same time, and then a valve core, a valve rod and a valve cover are assembled on the valve body through an assembling device, so that the technical problems that different working platforms are required for assembling ball valves with different specifications in the background technology, a large amount of manual sealing rings are required to be filled, and the assembling efficiency is low are solved.

Aiming at the technical problems, the technical scheme is as follows:

the utility model provides a many specifications of large-scale ball valve equipment all-in-one, includes turning device, assembles device, transfer device and transfer device, transfer device includes truss, manipulator a, manipulator b and manipulator c, the truss connection turning device with assemble the device, manipulator b snatchs the valve gap extremely behind the transfer device transfer it carries to assemble the device, its characterized in that still includes:

the valve body is reversely buckled on the cylindrical table, the limiting assembly is pushed into and abutted against one side of the valve body for limiting, the mounting assembly can rotationally select a first sealing ring and push the first sealing ring into a valve rod cavity of the valve body, the synchronous driving assembly and the mechanical arm a can be in matched transmission, and the synchronous driving assembly drives the mounting assembly to rotate; and

and the sealing ring assembly is arranged at the center of the cylindrical table and bears the second sealing ring unit and pushes the second sealing ring unit to be sent into the valve body.

As an improvement, the manipulator a includes a first quick clamping assembly, the first quick clamping assembly is used for clamping the valve body, and the first quick clamping assembly includes:

the head of the bracket is a cross-shaped bracket;

the sliding block chucks are arranged on the bracket in a sliding mode, and one sliding block chuck is arranged on each of the four sides of the bracket;

the synchronous rotating frame is rotatably arranged on the bracket and is in transmission connection with each sliding block chuck;

the first air cylinder is arranged on the bracket and drives the sliding block chuck to slide relative to the bracket; and

and the rack is arranged at the tail part of the bracket.

As an improvement, the seal ring assembly comprises:

the jacking ring is provided with a plurality of concentric circular rings with diameters sequentially increasing, the length of the jacking ring from the center to the outside is sequentially reduced to form a shuttle shape, an elastic locking unit is arranged on the outer side of the bottom of the jacking ring, a through hole penetrating through the side wall of the jacking ring is arranged below the elastic locking unit, and the elastic locking unit is matched and clamped with the through hole adjacent to the outer side;

the second air cylinder is arranged in the center of the jacking ring and is in transmission connection with the jacking ring with the smallest diameter;

the interlocking units are respectively arranged on each cylindrical table in a group and used for unlocking the elastic locking units in a one-to-one correspondence mode, each interlocking unit comprises a pressing rod and an ejector rod, the pressing rods vertically extend out of the upper surface of each cylindrical table upwards, and the ejector rods are arranged in a sliding mode along the radius direction of the jacking ring and in transmission fit with the pressing rods.

As an improvement, the mounting assembly comprises:

the device comprises a machine body, a rotating shaft and a rotating shaft, wherein the rotating shaft is arranged in the middle of the machine body;

the switching piece is arranged on a rotating shaft of the machine body, and a plurality of ejecting pieces with different sizes are uniformly distributed on the switching piece along the circumferential direction of the switching piece at equal intervals; and

the jacking cylinder is arranged on the machine body and moves in a telescopic mode along the length direction of the workbench, and the jacking cylinder can be matched and abutted to the jacking piece to advance.

As an improvement, the limiting component is arranged right opposite to the pushing component at the lowest part of the switching component.

As an improvement, the jacking piece is matched and matched with the cylindrical table.

As an improvement, the overturning device is arranged on one side of the pre-installation device and comprises an overturning head and a transmission assembly, and the overturning head and the synchronous driving assembly are in transmission rotation through the transmission assembly to overturn the valve body;

the transmission component comprises a rotating rod arranged on one side of the workbench through a bearing, a boss protruding out of the body of the turnover device, a rotary table sleeved on the boss and a transmission piece, the end part of the rotating rod is provided with a stirring piece which is vertical to the axis of the rotating rod, the end surface of the boss is provided with a planar working part and a sunken separation part, the middle part of the boss is provided with a circular through hole, the center of the turntable is provided with a shaft lever which penetrates through the circular through hole to be in transmission connection with the turnover head, a through groove is arranged on the disc surface of the rotary disc, a pin shaft is arranged in the through groove, the transmission part is sleeved on the pin shaft, and it with through elastic torsion spring connection between the carousel, the one end of driving medium is directional the dwang and with stir a movable part cooperateable conflict, the other end of driving medium with the cooperation of contradicting of work portion.

As an improvement, the synchronous drive assembly comprises:

the driving wheel and the rack can be in meshing transmission in a matching way; and

the transmission shaft, the transmission shaft with the action wheel synchronous rotation is connected, synchronous belt drive is passed through to the one end of transmission shaft it is rotatory to switch the piece, the other end of transmission shaft with the transmission assembly transmission is connected.

As an improvement, the assembling device is arranged on the other side of the overturning device relative to the pre-mounting device, the truss lifts the valve body from the pre-mounting device and overturns the valve body through the overturning device and then places the valve body on the assembling device, the assembling device comprises an assembling platform and a pressing assembly, the pressing assembly is arranged above the assembling platform, the assembling platform bears the valve body, the manipulator b clamps the valve core to the valve cavity of the valve body, and the pressing assembly abuts against the valve core and presses downwards; the transfer device set up in assemble one side of device, and its with manipulator c adjacent setting, manipulator c clamp get the valve gap extremely after the transfer device transfer will the valve gap upset cover on the valve body, it is relative to press the subassembly the assembly platform is free rotation in the horizontal plane.

As an improvement, the pressing assembly comprises:

the upright post is vertically arranged on one side of the assembling platform;

the pressing platform is freely and rotatably arranged at the top of the upright post; and

and the pressing air cylinder is vertically arranged in the middle of the pressing platform downwards.

The invention has the beneficial effects that:

(1) according to the invention, the mounting assembly is driven by the synchronous driving assembly to rotate, the first sealing ring is correspondingly mounted on the valve body and the turnover device is driven to move synchronously, the second sealing unit is assembled while the first sealing ring is mounted, and then the valve core, the valve rod and the valve cover are assembled on the valve body through the assembling device, so that the technical problems that different working platforms are required for assembling ball valves with different specifications, a large amount of manual sealing rings are required to be filled, and the assembling efficiency is low are solved;

(2) according to the invention, the plurality of cylindrical tables with different diameters are integrated on the workbench, so that the valve bodies with different types are positioned by the cylindrical tables, and the first sealing ring can be quickly selected and accurately installed;

(3) according to the invention, the valve body is turned by arranging the turning device, and the turning device is synchronously driven by the synchronous driving assembly, so that the labor intensity of manual operation is greatly reduced, and power can be saved;

(4) according to the invention, the valve rod and the rotating shaft are assembled after the pressing component is arranged to press the valve core, so that the labor intensity is reduced, the position accuracy of the valve core relative to the valve body can be ensured, and the installation efficiency is improved;

(5) the invention can be used for unlocking the elastic lock catch unit by arranging the interlocking unit, and has simple structure and good effect.

To sum up, this equipment has semi-automatization production, supplementary packing sealing washer, synchronous operation, reduces intensity of labour, promotes the advantage of efficiency and accurate installation, is particularly useful for valve production equipment technical field.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a pre-installation device.

Fig. 2 is a partial schematic view of a pre-installation device.

Fig. 3 is a schematic cross-sectional view of a pre-installation device.

Fig. 4 is a partially enlarged schematic view of a seal ring assembly.

Fig. 5 is an enlarged view of B in fig. 4.

Fig. 6 is an enlarged schematic view of C in fig. 4.

Fig. 7 is one of the overall structural diagrams of the present invention.

Fig. 8 is an enlarged schematic view of a portion a of fig. 7.

Fig. 9 is a second schematic structural diagram of the present invention.

Fig. 10 is an exploded view of the transmission assembly.

FIG. 11 is a front, partially cross-sectional, schematic view of the transmission assembly.

Fig. 12 is a third schematic structural diagram of the present invention.

Fig. 13 is a schematic view of the assembly device.

Fig. 14 is an exploded view of the ball valve.

Fig. 15 is a schematic structural view of the valve body.

Detailed Description

The technical scheme in the embodiment of the invention is clearly and completely explained by combining the attached drawings.

Example one

As shown in fig. 1-3 and 7, the multi-specification assembly all-in-one machine for large ball valves comprises a turnover device 4, an assembling device 5, a transfer device 500 and a transfer device, wherein the transfer device comprises a truss 100, a manipulator a200, a manipulator b300 and a manipulator c400, the truss 100 is connected with the turnover device 4 and the assembling device 5, the manipulator b300 grabs a valve cover 40 and transfers the valve cover 40 to the transfer device 500 and then conveys the valve cover to the assembling device 5, and the multi-specification assembly all-in-one machine for large ball valves is characterized by further comprising:

the valve body 10 is clamped by the manipulator a200 to the pre-installation device 2, the pre-installation device 2 comprises a workbench 21, a limiting component 22, an installation component 23 opposite to the limiting component 22 and a synchronous driving component 24, the workbench 21 is provided with a plurality of coaxially arranged cylindrical platforms 211 with diameters sequentially reduced from bottom to top, the valve body 10 is reversely buckled on the cylindrical platforms 211, the limiting component 22 is jacked into and abutted against one side of the valve body 10 for limiting, the installation component 23 can rotationally select a first sealing ring 20 and jacked into the valve rod cavity 101 of the valve body 10, the synchronous driving component 24 and the manipulator a200 can be in matched transmission, and the synchronous driving component 24 drives the installation component 23 to rotate; and

and the sealing ring assembly component 3 is arranged at the center of the cylindrical table 211, and the sealing ring assembly component 3 bears the second sealing ring unit 50 and pushes the second sealing ring unit into the valve body 10.

In this embodiment, the valve body 10 clamped by the manipulator a200 needs to be placed on the worktable 21 from top to bottom, and the descending stroke of the manipulator a200 is different according to the valve bodies 10 with different specifications, so the number of running turns of the synchronous driving assembly 24 driven by the manipulator a200 in a linkage manner is different, and at this time, the synchronous driving assembly 24 drives the mounting assembly 23 to run to select the first sealing ring 20 to match the valve body 10.

It should be noted that the outer diameter of the cylindrical table 211 matches the valve cavity 102 of the valve body 10 for positioning the valve body 10 in the vertical and horizontal directions.

As shown in fig. 9, further, the robot a200 includes a first quick clamping assembly 111, the first quick clamping assembly 111 is used for clamping the valve body 10, and the first quick clamping assembly 111 includes:

the head of the bracket 1111 is arranged into a cross-shaped frame;

the slider chucks 1112 are slidably arranged on the bracket 1111, and one slider chuck 1112 is arranged on each of four sides of the bracket 1111;

the synchronous rotating frame 1113 is rotationally arranged on the bracket 1111, and the synchronous rotating frame 1113 is in transmission connection with each sliding block chuck 1112;

a first cylinder 1114, the first cylinder 1114 being disposed on the bracket 1111, the first cylinder 1114 driving the slider cartridge 1112 to slide relative to the bracket 1111; and

and the rack 1115 is arranged at the tail part of the bracket 1111.

Specifically, the cylinder 1114 drives the slider cartridge 1112 to slide relative to the bracket 1111, and the synchronous rotating frame 1113 is linked with the rest slider cartridges 1112 to synchronously slide on the bracket 1111, so as to clamp the valve bodies 10 with various outer diameter sizes.

As shown in fig. 3 to 6, further, the seal ring assembly 3 includes:

the jacking ring 31 is provided with a plurality of concentric rings with successively larger diameters, the length of the jacking ring 31 from the center to the outside is successively reduced to form a shuttle shape, an elastic locking unit 34 is arranged on the outer side of the bottom of the jacking ring 31, a through hole 311 penetrating through the side wall of the jacking ring 31 is arranged below the elastic locking unit 34, and the elastic locking unit 34 is matched and clamped with the through hole 311 adjacent to the outer side;

the second air cylinder 32 is arranged in the center of the jacking ring 31, and is in transmission connection with the jacking ring 31 with the smallest diameter;

the interlocking units 33 are respectively arranged on each cylindrical table 211 in a group, the interlocking units 33 are used for unlocking the elastic locking units 34 in a one-to-one correspondence manner, each interlocking unit 33 comprises a pressing rod 331 and a push rod 332, the pressing rods 331 vertically extend upwards out of the upper surface of the cylindrical table 211, and the push rods 332 are arranged in a sliding manner along the radial direction of the jacking ring 31 and are in transmission fit with the pressing rods 331.

Specifically, according to the specification of the valve body 10, the second sealing ring unit 50 matched with the valve body 10 is manually selected to be placed on the jacking ring 31, wherein the second sealing ring unit 50 comprises a spring ring 501 and a second sealing ring 502, the spring ring 501 is positioned above the second sealing ring 502, the valve body 10 is placed on the cylindrical table 211 and then abuts against the pressing rod 331, at this time, the ejector rod 332 corresponding to the pressing rod 331 slides towards the center of the jacking ring 31, the elastic locking unit 34 bearing the jacking ring 31 of the second sealing ring unit 50 is unlocked, the jacking ring 31 on the outer side of the jacking ring 31 is limited, then the second air cylinder 32 jacks the jacking ring 31 bearing the second sealing ring unit 50 to ascend until the second sealing ring unit 50 is jacked into the valve body 10, at this time, the ejector rod 332 reaches the lower part of the jacking ring 31 bearing the second sealing ring unit 50 through the elastic extending through hole 311 of itself to limit the jacking ring 31, then the second cylinder 32 descends, the jacking ring 31 carrying the second sealing ring unit 50 descends, the second sealing ring unit 50 is left in the valve cavity 102 of the valve body 10, finally the valve body 10 is transferred away, and the interlocking unit 33 resets.

As shown in fig. 8 and 9, further, the mounting assembly 23 includes:

a body 231, a rotation shaft 2311 being provided at a middle portion of the body 231;

the switching piece 232 is arranged on the rotating shaft 2311 of the machine body 231, and a plurality of jacking pieces 233 with different sizes are uniformly distributed on the switching piece 232 at equal intervals along the circumferential direction; and

and the jacking cylinder 234 is arranged on the machine body 231 and performs telescopic motion along the length direction of the workbench 21, and the jacking cylinder 234 can be matched with and abutted against the jacking piece 233 to advance.

Further, the limiting component 22 is disposed opposite to the pushing component 233 at the lowest of the switching component 232.

Further, the ejector 233 is matched and matched with the cylindrical table 211.

As shown in fig. 9 to 11, further, the turning device 4 being disposed at one side of the pre-installation device 2, the turning device 4 including a turning head 41 and a transmission assembly 42, the turning head 41 being driven by the transmission assembly 42 to rotate with the synchronous driving assembly 24 for turning the valve body 10;

the transmission assembly 42 comprises a rotating rod 421 arranged on one side of the workbench 21 through a bearing, a boss 422 protruding out of the body of the turnover device 4, a rotary table 423 sleeved on the boss 422, and a transmission member 424, wherein the end part of the rotating rod 421 is provided with a stirring member 4211 perpendicular to the axis of the rotating rod 421, the end surface of the boss 422 is provided with a planar working part 4221 and a concave separation part 4222, the middle part of the boss 422 is provided with a circular through hole 4223, the center of the rotary table 423 is provided with a shaft rod 4231 penetrating through the circular through hole 4223 to be in transmission connection with the turnover head 41, the disc surface of the rotary table 423 is provided with a through groove 4232, a pin 4233 is arranged in the through groove 4232, the transmission member 424 is sleeved on the pin 4233 and is connected with the rotary table 423 through an elastic torsion spring, one end of the transmission member 424 points to the rotating rod 421 and can be matched with the stirring member 42, the other end of the transmission member 424 is in interference fit with the working portion 4221.

Further, the synchronous drive assembly 24 includes:

a driving wheel 241, wherein the driving wheel 241 and the rack 1115 can be in matched meshed transmission; and

and the transmission shaft 242 is connected with the driving wheel 241 in a synchronous rotating manner, one end of the transmission shaft 242 transmits the switching piece 232 to rotate through a synchronous belt, and the other end of the transmission shaft 242 is in transmission connection with the transmission assembly 42.

As shown in fig. 12 to 14, further, in the assembling device 5, the assembling device 5 is disposed on the other side of the turning device 4 relative to the pre-mounting device 2, the truss 100 lifts the valve body 10 from the pre-mounting device 2 and turns over the turning device 4, and then places the valve body 10 on the assembling device 5, the assembling device 5 includes an assembling platform 51 and a pressing component 52, the pressing component 52 is disposed above the assembling platform 51, the assembling platform 51 carries the valve body 10, the manipulator b300 clamps the valve core 30 to the valve cavity 102 of the valve body 10, and the pressing component 52 abuts against the valve core 30 and presses down; the transfer device 500 is arranged on one side of the assembling device 5 and is adjacent to the manipulator c400, the manipulator c400 clamps the valve cover 40 to the transfer device 500 to turn over and cover the valve cover 40 on the valve body 10, and the pressing component 52 is opposite to the assembling platform 51 and can rotate freely in the horizontal plane.

Further, the pressing assembly 52 includes:

the upright 521, the upright 521 is vertically arranged at one side of the assembling platform 51;

the pressing platform 522 is arranged at the top of the upright 521 in a free rotating manner; and

and the pressing air cylinder 523 is arranged in the middle of the pressing platform 522 in a vertically downward mode, and the pressing air cylinder 523 is arranged in the middle of the pressing platform 522.

Specifically, the pressing platform 522 is rotated by manpower to give way, the truss 100 transfers the valve body 10 to the assembling platform 51 to be horizontally placed, then the manipulator b300 transfers the valve core 30 to the valve cavity 102 of the valve body 10, then the pressing platform 522 is rotated to be right above the valve body 10, the pressing cylinder 523 presses down the abutting valve core 30 and presses and keeps the abutting valve core, and the valve rod 70 and the rotating shaft 80 are manually penetrated into the valve core 30 from two sides of the valve body 10 in opposite directions respectively to be matched with the valve core 30 in an inserting manner.

Working process

The mechanical arm a200 grabs the valve body 10 and reversely buckles the cylindrical table 211 of the workbench 21, the diameter of the inner wall of the valve body 10 is matched with the outer diameter of the cylindrical table 211, meanwhile, the mechanical arm a200 drives the synchronous driving assembly 24 to move, the synchronous driving assembly 24 drives the switching piece 232 to rotate and select the ejector 233 to be matched with the valve rod cavity 101 of the valve body 10, the ejector cylinder 234 ejects the first sealing ring 20 sleeved on the ejector 233 into the valve rod cavity 101, and then the sealing ring assembly 3 ejects the second sealing ring unit 50 to send the valve cavity 102 of the valve body 10;

then, the truss 100 hoists the valve body 10 from the workbench 21 to the turnover device 4, and the turnover head 41 of the turnover device 4 clamps the valve body 10 and is driven by the synchronous driving assembly 24 to rotate and turn over for 180 degrees, so that the valve cavity 102 faces upwards;

subsequently, the valve body 10 is transferred to the assembly platform 51 by the truss 100 and placed horizontally, the manipulator b300 clamps the valve core 30 to the valve cavity 102 of the valve body 10, then the pressing assembly 52 presses down against the valve core 30 to pre-compress the spring ring 501, and then the valve rod 70 and the rotating shaft 80 are manually penetrated into the valve body 10 from two sides of the valve body in opposite directions to be matched with the valve core 30 in an inserting manner;

finally, the manipulator c400 clamps the valve cover 40 to the transfer device 500, manually fills the spring ring 501 and the second sealing ring 502 into the valve cover 40, the manipulator c400 turns the valve cover 40 180 degrees and then buckles the valve cover 40 on the valve body 10, and finally, the valve body 10 and the valve cover 40 are manually connected through screws.

In the description of the present invention, it is to be understood that the terms "front-back", "left-right", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the invention.

Of course, in this disclosure, those skilled in the art will understand that the terms "a" and "an" should be interpreted as "at least one" or "one or more," i.e., in one embodiment, a number of an element may be one, and in another embodiment, a number of the element may be plural, and the terms "a" and "an" should not be interpreted as limiting the number.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art in light of the technical teaching of the present invention should be included within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a many specifications of large-scale ball valve equipment all-in-one, includes turning device (4), assembles device (5), transfer device (500) and transfer device, transfer device includes truss (100), manipulator a (200), manipulator b (300) and manipulator c (400), truss (100) are connected turning device (4) and assembly device (5), manipulator b (300) snatch valve gap (40) extremely after transfer device (500) transfer assembly (5) are carried, its characterized in that still includes:

a pre-mounting device (2), the manipulator a (200) clamping a valve body (10) to the pre-mounting device (2), the pre-installation device (2) comprises a workbench (21), a limiting component (22), an installation component (23) opposite to the limiting component (22) and a synchronous driving component (24), the working table (21) is provided with a plurality of coaxially arranged cylindrical tables (211) with diameters which are sequentially reduced from bottom to top, the valve body (10) is reversely buckled on the cylindrical table (211), the limiting component (22) is pushed into one side of the valve body (10) for limiting, the mounting assembly (23) can rotationally select the first sealing ring (20) and push the first sealing ring into a valve rod cavity (101) of the valve body (10), the synchronous driving component (24) can be matched with the manipulator a (200) for transmission, the synchronous driving component (24) drives the mounting component (23) to rotate; and

the sealing ring assembling component (3) is arranged at the center of the cylindrical table (211), and the sealing ring assembling component (3) bears the second sealing ring unit (50) and pushes the second sealing ring unit into the valve body (10).

2. A large ball valve multi-specification assembly all-in-one machine according to claim 1, wherein the manipulator a (200) comprises a first quick clamping assembly (111), the first quick clamping assembly (111) is used for clamping the valve body (10), and the first quick clamping assembly (111) comprises:

the head of the bracket (1111) is arranged into a cross-shaped frame;

the sliding block clamping heads (1112) are arranged on the bracket (1111) in a sliding mode, and one sliding block clamping head is arranged on each of the four sides of the bracket (1111);

the synchronous rotating frame (1113), the synchronous rotating frame (1113) is rotatably arranged on the bracket (1111), and the synchronous rotating frame (1113) is in transmission connection with each sliding block chuck (1112);

a first cylinder (1114) disposed on the bracket (1111), the first cylinder (1114) driving the slider cartridge (1112) to slide relative to the bracket (1111); and

the rack (1115) is arranged at the tail of the bracket (1111).

3. A large ball valve multi-specification assembly all-in-one machine according to claim 2, wherein the seal ring assembly component (3) comprises:

the ejection ring (31) is provided with a plurality of concentric rings with successively larger diameters, the length of the ejection ring (31) from the center to the outside is successively reduced to form a shuttle shape, an elastic locking unit (34) is arranged on the outer side of the bottom of the ejection ring (31), a through hole (311) penetrating through the side wall of the ejection ring (31) is formed below the elastic locking unit (34), and the elastic locking unit (34) is matched and clamped with the through hole (311) adjacent to the outer side;

the second air cylinder (32) is arranged in the center of the jacking ring (31) and is in transmission connection with the jacking ring (31) with the smallest diameter;

the interlocking units (33) are arranged on each cylindrical table (211) in a group, the interlocking units (33) are used for unlocking the elastic locking units (34) in a one-to-one correspondence mode, each interlocking unit (33) comprises a pressing rod (331) and an ejector rod (332), the pressing rods (331) vertically extend upwards out of the upper surface of the cylindrical table (211), and the ejector rods (332) are arranged in a sliding mode along the radial direction of the jacking ring (31) and are in transmission fit with the pressing rods (331).

4. A large ball valve multi-specification assembly all-in-one machine according to claim 3, wherein the mounting assembly (23) comprises:

the device comprises a machine body (231), wherein a rotating shaft (2311) is arranged in the middle of the machine body (231);

the switching piece (232) is arranged on a rotating shaft (2311) of the machine body (231), and a plurality of jacking pieces (233) with different sizes are uniformly distributed on the switching piece (232) along the circumferential direction at equal intervals; and

the jacking cylinder (234) is arranged on the machine body (231) and moves in a telescopic mode along the length direction of the workbench (21), and the jacking cylinder (234) can be matched to abut against the jacking piece (233) to advance.

5. A large ball valve multi-specification assembly all-in-one machine according to claim 4, wherein the limiting assembly (22) is arranged opposite to the bottommost jacking piece (233) of the switching piece (232).

6. A large ball valve multi-specification assembly all-in-one machine according to claim 5, wherein the jacking member (233) is matched and matched with the cylindrical table (211).

7. A large ball valve multi-specification assembly all-in-one machine according to claim 5, wherein the overturning device (4) is arranged on one side of the pre-installation device (2), the overturning device (4) comprises an overturning head (41) and a transmission assembly (42), and the overturning head (41) is in transmission rotation with the synchronous driving assembly (24) through the transmission assembly (42) so as to overturn the valve body (10);

the transmission assembly (42) comprises a rotating rod (421) arranged on one side of the workbench (21) through a bearing, a boss (422) protruding out of the body of the turnover device (4), a rotary disc (423) sleeved on the boss (422) and a transmission piece (424), wherein the end part of the rotating rod (421) is provided with a stirring piece (4211) vertical to the axis of the rotating rod (421), the end surface of the boss (422) is provided with a planar working part (4221) and a sunken separation part (4222), the middle part of the boss (422) is provided with a circular through hole (4223), the center of the rotary disc (423) is provided with a shaft rod (4231) which penetrates through the circular through hole (4223) to be in transmission connection with the turnover head (41), the disc surface (4232) of the rotary disc (423) is provided with a through groove (4232), a pin shaft (4233) is arranged in the through groove (4232), and the transmission piece (424) is sleeved on the pin (42, and it with connect through elastic torsion spring between carousel (423), the one end of driving medium (424) is directional dwang (421) and with it can cooperate the conflict to dial moving member (4211), the other end of driving medium (424) with the conflict cooperation of work portion (4221).

8. A large ball valve multi-specification assembly all-in-one machine according to claim 4, wherein the synchronous drive assembly (24) comprises:

the driving wheel (241) and the rack (1115) can be in matched meshed transmission; and

transmission shaft (242), transmission shaft (242) with action wheel (241) synchronous rotation is connected, synchronous belt drive is passed through to the one end of transmission shaft (242) it is rotatory to switch piece (232), the other end of transmission shaft (242) with transmission assembly (42) transmission is connected.

9. The large ball valve multi-specification assembly all-in-one machine as claimed in claim 1, the assembling device (5), the assembling device (5) is arranged on the other side of the overturning device (4) relative to the pre-mounting device (2), the valve body (10) is lifted from the pre-installation device (2) by the truss (100), turned by the turning device (4) and then placed on the assembling device (5), the splicing device (5) comprises an assembling platform (51) and a pressing component (52), the pressing component (52) is arranged above the assembling platform (51), the assembly platform (51) bears the valve body (10), the manipulator b (300) clamps the valve core (30) to the valve cavity (102) of the valve body (10), and the pressing component (52) abuts against the valve core (30) and presses downwards; transfer device (500) set up in assemble one side of device (5), and its with manipulator c (400) adjacent setting, manipulator c (400) are got valve gap (40) clamp extremely will after transfer device (500) transfer valve gap (40) upset and cover on valve body (10), it is relative to press down subassembly (52) equipment platform (51) free rotation in the horizontal plane.

10. A large ball valve multi-specification assembly all-in-one machine according to claim 9, wherein the pressing assembly (52) comprises:

a column (521), wherein the column (521) is vertically arranged on one side of the assembly platform (51);

the pressing platform (522) is arranged at the top of the upright post (521) in a free rotating manner; and

the pressing air cylinder (523), the pressing air cylinder (523) is vertically arranged downwards in the middle of the pressing platform (522).

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