CN112756967B - Semi-automatic ball valve assembly production line - Google Patents

Abstract

The invention relates to a semi-automatic ball valve assembly production line, which comprises a first preassembling device, a turnover device, an assembling device, a truss, a manipulator a, a manipulator b and a manipulator c, and is characterized by further comprising: the first pre-installation device comprises a workbench, a limiting assembly, an installation assembly opposite to the limiting assembly and a synchronous driving assembly; the sealing ring assembly bears the second sealing ring unit and sends the second sealing ring unit into the valve body; and the second preassembly device comprises a preassembly table, a quick clamping assembly B and a top assembly. 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 problems that a large amount of manual sealing rings need to be filled and the assembling efficiency is low are solved.

Description

Semi-automatic ball valve assembly production line

Technical Field

The invention relates to the technical field of valve production equipment, in particular to a semi-automatic ball valve assembly production line.

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 semi-automatic ball valve assembly production line, which is characterized in that a synchronous driving assembly drives an installation assembly to rotate, a first sealing ring is selected to be correspondingly installed on a valve body, a turnover device is synchronously driven to move, the first sealing ring and a second sealing unit are synchronously installed, meanwhile, a second preassembling device is arranged to automatically assemble the second sealing unit on a valve cover, and then a valve core, a valve rod and the valve cover are assembled on the valve body through an assembling device.

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

the utility model provides a semi-automatization ball valve assembly line, includes first pre-installation device, turning device and assembles the device, one side of first pre-installation device is equipped with manipulator an and is used for the centre gripping valve body to load in on the first pre-installation device, one side of turning device is equipped with manipulator b and is used for the centre gripping case to load in assemble the device, one side of assembling the device be equipped with manipulator c and be used for centre gripping valve gap to load in assemble the device, first pre-installation device, turning device and assemble and be equipped with the truss between the device and be used for carrying the valve body, its characterized in that still includes:

the manipulator a clamps a valve body to the first pre-installation device, the first pre-installation device comprises a workbench, a limiting assembly, a mounting assembly and a synchronous driving assembly, the mounting assembly is opposite to the limiting assembly, the workbench is provided with a plurality of coaxially arranged cylindrical tables with diameters sequentially reduced from bottom to top, the valve body is reversely buckled on the cylindrical tables, the limiting assembly is jacked into one side of the valve body for limiting, the mounting assembly can rotationally select a first sealing ring and jacked into a valve rod cavity of the valve body, the synchronous driving assembly can be in matched transmission with the manipulator a, and the synchronous driving assembly drives the mounting assembly to rotate;

the sealing ring assembling assembly is arranged in the center of the first pre-assembling device and bears the second sealing ring unit and pushes the second sealing ring unit to be conveyed into the valve body; and

the second pre-installation device is arranged on one side of the assembling device and is adjacent to the manipulator c, the manipulator c clamps the valve cover to the second pre-installation device after transfer, the valve cover is transferred and covered on the valve body, the second pre-installation device comprises a pre-installation table, a quick clamping assembly B and a top installation assembly, the pre-installation table bears the valve cover, the quick clamping assembly B is arranged inside the pre-installation table and is aligned with the valve cover to be centered and clamped, the top installation assembly is vertically arranged in the central part of the quick clamping assembly B, and the top installation assembly rises to push the second sealing ring unit into the valve cover.

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

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

the first sliding block chuck is arranged on the first support in a sliding mode, and four sides of the first support are respectively provided with one first sliding block chuck;

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

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

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

As an improvement, the first preassembly device comprises a workbench, a limiting assembly, a mounting assembly and a synchronous driving assembly, wherein the mounting assembly is opposite to the limiting assembly, the workbench is provided with a plurality of coaxially arranged cylindrical tables with the diameters sequentially reduced from bottom to top, the valve body is reversely buckled on the cylindrical tables, the limiting assembly is jacked into the cylindrical tables to abut against one side of the valve body for limiting, the mounting assembly can rotatably select a first sealing ring and jacked into a valve rod cavity of the valve body, the synchronous driving assembly and the manipulator a can be in matched transmission, and the synchronous driving assembly drives the mounting assembly to rotate;

the installation component includes that the middle part is provided with the organism of rotation axis, set up in the epaxial switching piece of rotation of organism and set up in jacking cylinder on the organism, follow the not unidimensional piece that pushes up of its circumference equidistance equipartition a plurality of on the switching piece, it follows in jacking cylinder telescopic motion is made to the length direction of workstation, but jacking cylinder cooperation is contradicted the piece that pushes up advances.

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 limiting assembly is arranged right opposite to the pushing piece at the lowest part of the switching piece, and the pushing piece is matched and matched with the cylindrical table.

As an improvement, the turnover device is arranged on one side of the first pre-installation device and comprises a turnover head and a transmission assembly, and the turnover head and the synchronous drive assembly are in transmission rotation through the transmission assembly to turn over 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 transmission assembly comprises:

the rotating rod is arranged on one side of the workbench through a bearing, and a poking part vertical to the axis of the rotating rod is arranged at the end part of the rotating rod;

the boss protrudes out of the body of the turnover device, a planar working part and a sunken separation part are arranged on the end face of the boss, and a circular through hole is formed in the middle of the boss;

the rotary table is sleeved on the boss, a shaft lever is arranged at the center of the rotary table and penetrates through the circular through hole to be in transmission connection with the turnover head, a through groove is formed in the disc surface of the rotary table, and a pin shaft is arranged in the through groove; and

the transmission part, the transmission part cover is located sell epaxial, and its with through elastic torsion spring connection between the carousel, the one end of transmission part is directional the dwang and with it conflicts to dial the cooperation of piece, the other end of transmission part with the cooperation of contradicting of work portion.

As an improvement, the quick clamping assembly B comprises:

the second support is arranged vertically upwards, the head of the second support is a cross-shaped frame, and a through hole which penetrates through the second support from top to bottom is formed in the middle of the second support;

the second sliding block chuck is arranged on the second support in a sliding mode, four sides of the second support are respectively provided with one second sliding block chuck, and the second sliding block chuck is provided with a hook part and an ejector rod part;

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

and the third air cylinder drives the synchronous rotating frame to rotate in a transmission manner.

As an improvement, the top-mounted assembly comprises:

the fourth air cylinder is vertically arranged below the second support; and

the top dress unit, the top dress unit sets up to a plurality of nested annular cylinder together, from inside to outside the annular cylinder's top descends in proper order and forms the step, and is adjacent it is spacing to be provided with elasticity between the annular cylinder, the annular cylinder is in the square hole that runs through has been seted up to the below that elasticity is spacing, ejector pin portion can pass the square hole that runs through is contradicted elasticity is spacing to be used for removing spacingly, the fourth cylinder top is moved the annular cylinder goes up and down, the annular cylinder accepts the second sealing washer unit and packs it into the valve gap.

As an improvement, the assembling device is arranged on the other side of the turnover device relative to the first pre-assembling device, the truss lifts the valve body from the first pre-assembling device and overturns the valve body through the turnover 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 pressing assembly is opposite to the assembly platform can rotate freely in the horizontal plane, and the pressing assembly comprises a stand column vertically arranged on one side of the assembly platform, a pressing platform freely rotating arranged on the top of the stand column and a pressing air cylinder vertically arranged downwards in the middle of the pressing platform.

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 cross-sectional view of a second pre-assembly device according to the invention.

Fig. 2 is an enlarged schematic view of fig. 1 at D.

Fig. 3 is an enlarged schematic view of E in fig. 1.

Fig. 4 is one of the overall structural diagrams of the present invention.

Fig. 5 is an enlarged schematic view of a portion a in fig. 4.

Fig. 6 is a schematic view of the first pre-assembly device.

Fig. 7 is a partial schematic view of a first pre-assembly device.

Fig. 8 is a schematic cross-sectional view of a first pre-assembly device.

Fig. 9 is a partially enlarged schematic view of a seal ring assembly.

Fig. 10 is an enlarged view of B in fig. 9.

Fig. 11 is an enlarged schematic view of fig. 9 at C.

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

Fig. 13 is an exploded view of the transmission assembly.

FIG. 14 is a front, partially cross-sectional, schematic view of the transmission assembly.

Fig. 15 is a third schematic structural diagram of the present invention.

Fig. 16 is a schematic view of the assembly device.

Fig. 17 is an exploded view of the ball valve.

Fig. 18 is a schematic structural view of the valve body.

Figure 19 is a schematic view of the second preassembly apparatus in cooperation with a robot c.

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 to 6, 8 and 19, a semi-automatic ball valve assembly line includes a first pre-assembly device 2, a turnover device 4 and an assembly device 6, wherein one side of the first pre-assembly device 2 is provided with a manipulator a200 for clamping a valve body 10 and loading the valve body 10 on the first pre-assembly device 2, one side of the turnover device 4 is provided with a manipulator b300 for clamping a valve core 30 and loading the valve core 30 on the assembly device 6, one side of the assembly device 6 is provided with a manipulator c400 for clamping a valve cover 40 and loading the valve cover 40 on the assembly device 6, and a truss 100 is arranged between the first pre-assembly device 2, the turnover device 4 and the assembly device 6 for carrying the valve body 10, and further includes:

the sealing ring assembling component 3 is arranged at the center of the first preassembly device 2, 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; and

the second pre-assembly device 5 is arranged on one side of the assembling device 6 and is adjacent to the manipulator c400, the manipulator c400 clamps the valve cover 40 and transfers the valve cover 40 to the second pre-assembly device 5, and then the second pre-assembly device 5 transfers and covers the valve cover 40 on the valve body 10, the second pre-assembly device 5 comprises a pre-assembly table 51, a quick clamping assembly B52 and a top assembly 53, the pre-assembly table 51 bears the valve cover 40, the quick clamping assembly B52 is arranged in the pre-assembly table 51, the quick clamping assembly B52 centers and clamps the valve cover 40, the top assembly 53 is vertically arranged in the center of the quick clamping assembly B52, and the top assembly 53 rises to push the second sealing ring unit 50 into the valve cover 40.

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. 7, further, the robot a200 includes a quick clamping assembly a111, the quick clamping assembly a111 is used for clamping the valve body 10, and the quick clamping assembly a111 includes:

a first bracket 1111, wherein the head of the first bracket 1111 is arranged as a cross-shaped bracket;

a first slider collet 1112, the first slider collet 1112 being slidably disposed on the first bracket 1111 and disposed one on each of four sides of the first bracket 1111;

the synchronous rotating frame b1113, the synchronous rotating frame b1113 is rotatably arranged on the first bracket 1111, and the synchronous rotating frame b1113 is in transmission connection with each first slider chuck 1112;

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

a rack 1115, wherein the rack 1115 is arranged at the tail part of the first bracket 1111.

Specifically, the cylinder 1114 drives the slider cartridge 1112 to slide relative to the bracket 1111, and the synchronous rotating frame b1113 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. 6 and 7, further, the first pre-assembly device 2 includes a workbench 21, a limiting component 22, a mounting 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 successively decreasing diameters from bottom to top, the valve body 10 is reversely buckled on the cylindrical platforms 211, the limiting component 22 pushes against one side of the valve body 10 for limiting, the mounting component 23 can rotatably select the first sealing ring 20 and push it to the valve rod cavity 101 of the valve body 10, the synchronous driving component 24 can be in transmission with the manipulator a200, and the synchronous driving component 24 drives the mounting component 23 to rotate;

the mounting assembly 23 includes a machine body 231 having a rotating shaft 2311 at the middle, a switching member 232 disposed on the rotating shaft 2311 of the machine body 231, and a jacking cylinder 234 disposed on the machine body 231, wherein a plurality of jacking members 233 of different sizes are equidistantly distributed on the switching member 232 along the circumferential direction thereof, the jacking cylinder 234 makes a telescopic motion along the length direction of the workbench 21, and the jacking cylinder 234 can be matched to abut against the jacking members 233 to advance.

As shown in fig. 8 to 11, 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.

Further, the limiting component 22 is disposed over against the top moving component 233 at the bottom of the switching component 232, and the top moving component 233 is matched and matched with the cylindrical table 211.

Further, the turning device 4 is disposed at one side of the first pre-assembly device 2, the turning device 4 includes a turning head 41 and a transmission assembly 42, the turning head 41 is 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 4211 to abut against, the other end of the transmission member 424 is in interference fit with the working portion 4221.

As shown in fig. 12 to 14, further, the transmission assembly 42 includes:

the rotating rod 421 is arranged on one side of the workbench 21 through a bearing, and a toggle piece 4211 perpendicular to the axis of the rotating rod 421 is arranged at the end part of the rotating rod 421;

the boss 422 protrudes out of the body of the turnover device 4, a planar working part 4221 and a concave separation part 4222 are arranged on the end face of the boss 422, and a circular through hole 4223 is formed in the middle of the boss 422;

the rotary disc 423 is sleeved on the boss 422, a shaft rod 4231 is arranged at the center of the rotary disc 423 and penetrates through the circular through hole 4223 to be in transmission connection with the turnover head 41, a through groove 4232 is arranged on the disc surface of the rotary disc 423, and a pin 4233 is arranged in the through groove 4232; and

the transmission member 424, the transmission member 424 cover is located on the round pin axle 4233, and it with through the elastic torsion spring connection between the carousel 423, the one end of transmission member 424 is directional dwang 421 and with it can cooperate the conflict to dial the piece 4211, the other end of transmission member 424 with the conflict cooperation of work portion 4221.

As shown in fig. 1 and 19, further, the quick clamping assembly B52 includes:

the second bracket 521 is vertically arranged upwards, the head of the second bracket 521 is a cross-shaped bracket, and a through hole penetrating up and down is formed in the middle of the second bracket 521;

the second slider clip 522 is slidably disposed on the second bracket 521, and each of four sides of the second bracket 521 is provided with one second slider clip 522, and the second slider clip 522 is provided with a hook portion 5221 and a top rod portion 5222;

the synchronous rotating frame a524 is rotatably arranged on the second bracket 521, and the synchronous rotating frame a524 is in transmission connection with each second sliding block chuck 522; and

and the third air cylinder 523 drives the synchronous rotating frame a524 to rotate in a transmission way through the third air cylinder 523.

As shown in fig. 1 to 3, further, the top-mounted assembly 53 includes:

the fourth air cylinder 531, the fourth air cylinder 531 is vertically arranged below the second bracket 521; and

the top-mounted unit 532 is provided with a plurality of annular cylinders 5321 which are nested together, the tops of the annular cylinders 5321 from inside to outside sequentially descend to form steps, an elastic limit 5322 is arranged between the adjacent annular cylinders 5321, a through square hole 53211 is formed below the elastic limit 5322 by the annular cylinders 5321, the top rod part 5222 can penetrate through the through square hole 53211 to abut against the elastic limit 5322 to release the limit, the fourth cylinder 531 pushes the annular cylinders 5321 to ascend and descend, and the annular cylinders 5321 bear the second sealing ring unit 50 and assemble the second sealing ring unit into the valve cover 40.

Specifically, the elastic limit 5322 includes a toggle plate 53221 hinged above a through square hole 53211 of the circular cylinder 5321, and a limit pin 53222 disposed above the through square hole 53211 and sliding toward the center of the circular cylinder 5321, the limit pin 53222 is configured to elastically return, the limit pin 53222 is in transmission connection with the toggle plate 53221, a limit hole matched with the limit pin 53222 is formed in the outer wall of the circular cylinder 5321 on the inner side opposite to the limit pin 53222, and the stroke of the second slider chuck 522 is determined according to the size of the valve cap 40, so that the top rod portion 5222 can travel a corresponding stroke, the top rod portion 5222 releases the elastic limit 5322 on the outer side of the circular cylinder 5321 corresponding to the size of the valve cap 40, and then the fourth cylinder 531 pushes up the circular cylinder 5321 which is not limited to be used for assembling the second seal ring unit 50 into the valve cap 40.

As shown in fig. 15 to 17, further, the assembling device 6 is disposed on the other side of the turning device 4 relative to the first pre-assembling device 2, the truss 100 lifts the valve body 10 from the first pre-assembling device 2 and turns the valve body over by the turning device 4 to be placed on the assembling device 6, the assembling device 6 includes an assembling platform 61 and a pressing assembly 62, the pressing assembly 62 is disposed above the assembling platform 61, the assembling platform 61 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 assembly 62 abuts against the valve core 30 and presses down;

the pressing component 62 freely rotates in the horizontal plane relative to the assembling platform 61, and the pressing component 62 includes a vertical post 621 vertically arranged on one side of the assembling platform 61, a pressing platform 622 freely rotatably arranged on the top of the vertical post 621, and a pressing cylinder 623 vertically downwards arranged in the middle of the pressing platform 622.

Specifically, the pressing platform 622 is rotationally abducted by manpower, the truss 100 transfers the valve body 10 to the assembling platform 61 for horizontal placement, then the manipulator b300 transfers the valve core 30 to the valve cavity 102 of the valve body 10, then the pressing platform 622 rotates to the position right above the valve body 10, the pressing cylinder 523 presses down the abutting valve core 30 and presses for retention, and the valve rod 70 and the rotating shaft 80 are manually penetrated into the valve core 30 from the two sides of the valve body 10 in opposite directions respectively to be matched with the valve core 30 in an inserting mode.

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 61 from 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 62 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 grips the valve cap 40 to the second pre-assembly device 5, the second pre-assembly device 5 loads the spring ring 501 and the second sealing ring 502 into the valve cap 40, then the manipulator c400 buckles the valve cap 40 on the valve body 10, and finally the valve body 10 and the valve cap 40 are manually connected by 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 (8)

1. The utility model provides a semi-automatization ball valve assembly line, includes first pre-installation device (2), turning device (4) and assembles device (6), one side of first pre-installation device (2) is equipped with manipulator a (200) and is used for centre gripping valve body (10) to load on first pre-installation device (2), one side of turning device (4) is equipped with manipulator b (300) and is used for centre gripping case (30) to load in assemble device (6), one side of assembling device (6) is equipped with manipulator c (400) and is used for centre gripping valve gap (40) to load in assemble device (6), first pre-installation device (2), turning device (4) and assemble and be equipped with truss (100) between device (6) and be used for carrying valve body (10), its characterized in that still includes:

the sealing ring assembling component (3) is arranged at the center of the first preassembly device (2), and the sealing ring assembling component (3) bears a second sealing ring unit (50) and pushes the second sealing ring unit into the valve body (10); and

a second preassembly device (5), the second preassembly device (5) being arranged on one side of the splicing device (6), and is arranged adjacent to the manipulator c (400), the manipulator c (400) clamps the valve cover (40) to the second pre-assembly device (5) for transferring and then transfers the valve cover (40) to cover the valve body (10), the second pre-assembly device (5) comprises a pre-assembly table (51), a quick clamping assembly B (52) and a top assembly (53), the pre-assembly table (51) bears the valve cover (40), the quick clamping assembly B (52) is arranged inside the pre-assembly table (51), the quick clamping assembly B (52) is used for centering and clamping the valve cover (40), the top mounting assembly (53) is vertically arranged at the central part of the quick clamping assembly B (52), the top-mounted component (53) ascends to jack the second sealing ring unit (50) into the valve cover (40);

the quick clamping assembly B (52) comprises:

the second support (521) is vertically arranged upwards, the head of the second support (521) is a cross-shaped frame, and a through hole penetrating up and down is formed in the middle of the second support (521);

the second sliding block clamp (522) is arranged on the second bracket (521) in a sliding mode, one sliding block clamp is arranged on each of the four sides of the second bracket (521), and hook parts (5221) and ejector rod parts (5222) are arranged on the second sliding block clamp (522);

the synchronous rotating frame a (524), the synchronous rotating frame a (524) is rotatably arranged on the second bracket (521), and the synchronous rotating frame a (524) is in transmission connection with each second sliding block chuck (522); and

the third air cylinder (523), the third air cylinder (523) drives the synchronous rotating frame a (524) to rotate in a transmission way;

the top mount assembly (53) comprises:

a fourth cylinder (531), the fourth cylinder (531) being vertically disposed below the second bracket (521); and

the jacking unit (532), jacking unit (532) sets up to a plurality of nested annular cylinder (5321) together, from inside to outside the top of annular cylinder (5321) descends in proper order and forms the step, and is adjacent be provided with between annular cylinder (5321) elasticity spacing (5322), annular cylinder (5321) is in run through square hole (53211) have been seted up to the below of elasticity spacing (5322), ejector pin portion (5222) can pass run through square hole (53211) are contradicted elasticity spacing (5322) are used for removing the spacing, fourth cylinder (531) top move annular cylinder (5321) go up and down, annular cylinder (5321) accept second sealing washer unit (50) and with its equipment income valve gap (40).

2. A semi-automatic ball valve assembly line according to claim 1, characterized in that said robot a (200) comprises a quick clamp assembly a (111), said quick clamp assembly a (111) being adapted to clamp said valve body (10), said quick clamp assembly a (111) comprising:

a first bracket (1111), the head of the first bracket (1111) is arranged as a cross-shaped bracket;

a first slider cartridge (1112), wherein the first slider cartridge (1112) is slidably arranged on the first bracket (1111) and is arranged on each of four sides of the first bracket (1111);

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

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

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

3. A semi-automated ball valve assembly line according to claim 2, the first preassembly device (2) comprises a workbench (21), a limiting assembly (22), a mounting assembly (23) opposite to the limiting assembly (22) and a synchronous driving assembly (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;

the installation component (23) comprises a machine body (231) with a rotating shaft arranged in the middle, a switching piece (232) arranged on the rotating shaft of the machine body (231) and a jacking cylinder (234) arranged on the machine body (231), wherein a plurality of jacking pieces (233) with different sizes are uniformly distributed on the switching piece (232) along the circumferential direction of the switching piece at equal intervals, the jacking cylinder (234) stretches along the length direction of the workbench (21), and the jacking cylinder (234) can be matched and abutted to the jacking pieces (233) to advance.

4. A semi-automatic ball valve assembly line according to claim 3, characterized in that said sealing ring assembly group (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, the outer side of the bottom of the ejection ring (31) is provided with an elastic locking unit (34), the side wall of the ejection ring (31) at the outer side of each elastic locking unit (34) is provided with a through hole (311) corresponding to 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).

5. A semi-automatic ball valve assembly line according to claim 3, characterized in that said stop assembly (22) is arranged opposite to the lowermost ejector (233) of said switching member (232), said ejector (233) being in mating match with said cylindrical table (211).

6. A semi-automatic ball valve assembly line according to claim 3, characterized in that said overturning device (4), said overturning device (4) being arranged on one side of said first preassembly device (2), said overturning device (4) comprising an overturning head (41) and a transmission assembly (42), said overturning head (41) being in rotation transmission with said synchronization driving assembly (24) through said transmission assembly (42) for overturning said 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 (4233), 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).

7. A semi-automated ball valve assembly line according to claim 6, wherein the synchronization 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.

8. A semi-automatic ball valve assembly line according to claim 1, characterized in that the assembling device (6) is arranged on the other side of the turning device (4) relative to the first pre-assembling device (2), the truss (100) lifts the valve body (10) from the first pre-assembling device (2) and turns over the turning device (4) and then places the valve body on the assembling device (6), the assembling device (6) comprises an assembling platform (61) and a pressing assembly (62), the pressing assembly (62) is arranged above the assembling platform (61), the assembling platform (61) 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 assembly (62) abuts against the valve core (30) and presses down;

press subassembly (62) relative assembly platform (61) is free rotation in the horizontal plane, press subassembly (62) including vertical set up in stand (621) of assembly platform (61) one side, free rotation set up in press platform (622) at the top of stand (621) and vertical downward set up in press cylinder (623) in the middle part of pressing platform (622).

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