CN210060381U - Automatic assembly production line for throttle valve - Google Patents

Abstract

The utility model relates to the technical field of automatic assembly equipment of a throttle valve, in particular to an automatic assembly production line of a throttle valve, which comprises a workbench and a valve body material moving mechanism fixedly arranged on the workbench, a valve body first sealing ring installation station and a valve body second sealing ring installation station are arranged beside each other and are provided with valve body sealing ring installation mechanisms, a valve rod feeding mechanism is arranged beside each valve rod feeding station, a valve rod sealing ring installation mechanism is arranged beside each valve rod sealing ring installation station, a locking nut installation mechanism is arranged beside each locking nut installation station, a valve core installation mechanism is arranged beside each valve core installation station, a valve body lock catch riveting mechanism is arranged beside each valve body lock catch riveting station, an adjusting screw automatic glue dispensing installation mechanism is arranged beside each adjusting screw automatic glue dispensing installation station, a tightness inspection mechanism is arranged beside each tightness inspection station, the production line can, and qualified and unqualified throttle valves can be automatically classified.

Description

Automatic assembly production line for throttle valve

Technical Field

The utility model relates to a choke valve automatic assembly equipment technical field specifically relates to a choke valve automatic assembly production line.

Background

The throttle valve is a valve for controlling the flow of fluid by changing the throttle section or the throttle length, and the throttle valve and the one-way valve are connected in parallel to form the one-way throttle valve, and the throttle valve and the one-way throttle valve are simple flow control valves.

The speed of the pneumatic executive component is regulated by the pneumatic flow control valve, which is more difficult than the speed regulation by a hydraulic flow control valve and has compressibility due to gas. Therefore, the pneumatic flow control valve is used for speed regulation, and the following points are emphasized to prevent the generation of crawling:

1. the air leakage phenomenon cannot occur on the pipeline;

2. the lubrication state between the cylinder and the piston is good;

3. the flow control valve should be installed around the cylinder or the air motor as much as possible;

4. an outlet throttling speed regulation mode is adopted as much as possible;

5. the applied load should be stable. If the external load changes greatly, the speed change caused by the load change should be compensated by hydraulic or mechanical means (such as gas-liquid linkage).

At present, the throttle valve assembly machine in use has the disadvantages of complex process, inconvenient operation, unreasonable detail design, damage to products in the assembly process, manpower and material resources waste and is not beneficial to popularization and application.

Chinese patent CN204868077U discloses an automatic assembling machine for throttle valve, which comprises a frame, a conveyor belt is arranged on the frame, and a manual discharging mechanism, a first feeding mechanism, an oiling mechanism, a second feeding mechanism, a pressing mechanism, a zinc jacket assembling mechanism, a button assembling mechanism, a detecting mechanism, a discharging mechanism and a touch screen are sequentially arranged on the conveyor belt.

The device disclosed in this patent is only suitable for simple throttle valves consisting of a valve sleeve, a valve body, a zinc sleeve and the like, and is not suitable for complex throttle valves in the prior art.

The throttle valve in the prior art comprises a valve body, a valve rod and a valve core, wherein two sealing rings are sleeved on the valve body, one sealing ring is sleeved on the valve rod, one sealing ring is also sleeved on the valve core, a locking nut is installed at the bottom end of the valve rod, an adjusting screw is installed at the bottom end of the valve body, the valve rod and the valve core are installed inside the valve body and then need to be riveted with a valve body lock catch, and finally air tightness inspection is carried out.

Aiming at the complicated throttle valve in the prior art, an automatic assembly production line is needed for automatic assembly production.

SUMMERY OF THE UTILITY MODEL

The utility model provides a choke valve automatic assembly production line, but this production line automatic assembly structure complicated choke valve can also be to qualified and unqualified choke valve automatic classification.

The utility model discloses a choke valve automatic assembly production line, move material mechanism including workstation and the valve body of fixed mounting on the workstation, be provided with thirteen stations of a straight line of one end to the other end of workstation from the workstation on the workstation, these thirteen stations are valve body material loading station respectively, the first sealing washer installation station of valve body, valve body second sealing washer installation station, valve rod installation station, the lubricated station of valve rod, first transfer station, lock nut installation station, case installation station, valve body hasp riveting station, second transfer station, the installation station is glued to adjusting screw automatic point, the leakproofness detects the station, the station of unloading, wherein the side of valve rod installation station is provided with valve rod material loading station and valve rod sealing washer installation station.

Preferably, a feeding mechanism is arranged beside the valve body feeding station, the valve body first sealing ring mounting station, the valve body second sealing ring mounting station, the locking nut mounting station, the valve core mounting station, the adjusting screw automatic dispensing mounting station, the valve rod feeding station and the valve rod sealing ring mounting station, a valve body sealing ring mounting mechanism is arranged beside the valve body first sealing ring mounting station and the valve body second sealing ring mounting station, a valve rod feeding mechanism is arranged beside the valve rod feeding station, a valve rod sealing ring mounting mechanism is arranged beside the valve rod sealing ring mounting station, a locking nut mounting mechanism is arranged beside the locking nut mounting station, a valve core mounting mechanism is arranged beside the valve core mounting station, a valve body lock catch riveting mechanism is arranged beside the valve body lock catch riveting station, and an adjusting screw automatic dispensing mounting mechanism is arranged beside the adjusting screw automatic dispensing mounting station, and a sealing inspection mechanism is arranged beside the sealing detection station.

Preferably, the workbench is further provided with a controller, and the controller is electrically connected with the valve body material moving mechanism, the valve body sealing ring mounting mechanism, the valve rod feeding mechanism, the valve rod sealing ring mounting mechanism, the locking nut mounting mechanism, the valve core mounting mechanism, the valve body lock catch riveting mechanism, the adjusting screw automatic dispensing mounting mechanism, the sealing performance checking mechanism and the feeding mechanism.

Preferably, the valve body moving mechanism comprises a valve body feeding mechanism, a first mechanical jaw moving mechanism, a second mechanical jaw moving mechanism, mechanical clamping jaws and a valve body discharging mechanism, the mechanical clamping jaws are arranged on the first twelve stations respectively, the mechanical clamping jaws are arranged in a straight line at equal intervals, the first mechanical jaw moving mechanism is fixedly connected with the first six mechanical clamping jaws, the second mechanical jaw moving mechanism is fixedly connected with the last six mechanical clamping jaws, the first mechanical jaw moving mechanism and the second mechanical jaw moving mechanism are of the same structure, the valve body feeding mechanism is arranged beside the valve body feeding station, and the valve body discharging mechanism is arranged beside the discharging station.

Preferably, the first gripper moving mechanism comprises a vertical movable plate, a telescopic upright post, a first linear driving device, a horizontal sliding plate, a first sliding rail and a second linear driving device, the first sliding rail and the second linear driving device are arranged side by side and fixedly mounted on the workbench, the horizontal sliding plate is fixedly mounted at the working end of the first sliding rail, the output end of the second linear driving device is fixedly connected with the horizontal sliding plate, the first linear driving device is fixedly mounted at the middle end of the horizontal sliding plate and the output end of the first linear driving device is arranged vertically upwards, the telescopic upright posts are fixedly mounted at two ends of the horizontal sliding plate and the telescopic direction of the telescopic upright post is arranged vertically upwards, the vertical movable plate is horizontally arranged above the horizontal sliding plate, the middle end of the vertical movable plate is fixedly connected with the working end of the first linear driving device, and two ends of the vertical movable plate are fixedly connected with the telescopic upright post, the mechanical clamping jaw is fixedly arranged on the vertical movable plate.

Preferably, the locking nut mounting mechanism comprises a valve rod lubricating mechanism, a locking nut mounting manipulator and a valve rod rotating mechanism, wherein the valve rod lubricating mechanism is arranged above a valve rod lubricating station, the locking nut mounting manipulator is arranged below a locking nut mounting station, and the valve rod rotating mechanism is arranged above the locking nut mounting station.

Preferably, the valve rod lubricating mechanism comprises a twelfth linear driving device and an oil injector fixedly installed at the working end of the twelfth linear driving device, and the output direction of the twelfth linear driving device is vertically arranged downwards.

Preferably, the lock nut mounting manipulator comprises a thirteenth linear driving device, a lock nut feeding table, a second finger cylinder and a lock nut clamping jaw, the thirteenth linear driving device is fixedly mounted on the workbench, the output direction of the thirteenth linear driving device is vertically upwards arranged, the lock nut feeding table is fixedly mounted at the working end of the thirteenth linear driving device, the lock nut feeding table is abutted to the discharge port of the feeding mechanism, the second finger cylinder is fixedly mounted on the lock nut feeding table, the lock nut clamping jaw is fixedly mounted at the working end of the second finger cylinder, the lock nut clamping jaw is located on two sides of the discharge port of the feeding mechanism, and the bottom surface of the lock nut clamping jaw is in clearance fit with the top surface of the lock nut feeding table.

Preferably, the valve rod rotating mechanism comprises a fourteenth linear driving device and an electric wrench fixedly installed at a working end of the fourteenth linear driving device, and an output direction of the fourteenth linear driving device is vertically arranged downwards.

Preferably, the output end of the electric wrench is provided with a damping block attached to the curved surface of the top end of the valve rod.

Has the advantages that:

the valve body moves through the valve body material moving mechanism under the control of the controller, and meanwhile, the valve body passes through the valve body sealing ring installation mechanism, the valve rod feeding mechanism, the valve rod sealing ring installation mechanism, the locking nut installation mechanism, the valve core installation mechanism, the valve body lock catch riveting mechanism and the adjusting screw automatic dispensing installation mechanism in sequence for processing, the airtightness detection is carried out through the sealing detection mechanism, and after the detection is finished, the valve body material moving mechanism moves to the position of the unloading station to wait for unloading;

when the detection is qualified, the valve body unloading mechanism picks the valve bodies on the unloading station through the manipulator and then places the valve bodies into the deep holes on the stacking tray one by one, and after the valve bodies are placed in a row of deep holes on the stacking tray, the belt conveyor works to drive the stacking tray to move forwards, so that the manipulator can place the valve bodies in the next row of deep holes;

when the valve body unloading mechanism is unqualified in detection, the valve body on the unloading station is grabbed by the manipulator and then is moved to the upper part of the waste barrel, and the valve body is thrown into the waste barrel.

1. The production line can automatically assemble the throttle valve with a complex structure;

2. the production line can automatically classify the qualified and unqualified throttle valves.

Drawings

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

FIG. 1 is a perspective view of an embodiment;

FIG. 2 is a top view of the embodiment;

FIG. 3 is a first perspective view of the work bench and the valve body material moving mechanism of the embodiment;

FIG. 4 is a second perspective view of the work bench and the valve body material moving mechanism of the embodiment;

FIG. 5 is a perspective view of a sealing ring mounting mechanism of the valve body according to the embodiment;

FIG. 6 is a partial enlarged view of the embodiment shown in FIG. 5 at A;

fig. 7 is an exploded perspective view of the valve body sealing ring mounting robot according to the embodiment;

FIG. 8 is a first perspective view of a valve stem loading mechanism and a valve stem gasket mounting mechanism according to an embodiment;

FIG. 9 is a second perspective view of the valve stem loading mechanism and the valve stem gasket mounting mechanism of the embodiment;

FIG. 10 is a perspective view of a partial structure of a valve stem loading mechanism and a valve stem gasket mounting mechanism according to an embodiment;

FIG. 11 is an exploded perspective view of a portion of the valve stem loading mechanism and valve stem gasket mounting mechanism of the embodiment;

fig. 12 is a side sectional view of a valve-stem-seal-ring mounting robot of the embodiment;

FIG. 13 is a perspective view of a cage nut mounting mechanism of the embodiment;

FIG. 14 is a perspective view showing a partial structure of a lock nut mounting mechanism according to the embodiment;

FIG. 15 is a first perspective view of a valve cartridge mounting mechanism and a valve body latch rivet mechanism of the embodiment;

FIG. 16 is a perspective view of a valve core loading station of an embodiment;

FIG. 17 is a second perspective view of the valve core mounting mechanism and the valve body latch riveting mechanism of the embodiment;

FIG. 18 is a partial enlarged view of the embodiment of FIG. 17 at B;

FIG. 19 is a perspective view of an automatic dispensing mechanism for adjusting screws according to an embodiment;

FIG. 20 is an exploded perspective view of the automatic screw dispensing mechanism according to the embodiment;

FIG. 21 is a partial enlarged view of the embodiment of FIG. 20 at C;

FIG. 22 is a perspective view of a airtightness inspecting mechanism according to the embodiment;

FIG. 23 is an exploded perspective view showing a partial structure of the airtightness inspecting mechanism according to the embodiment;

FIG. 24 is a perspective view of a valve body discharge mechanism;

fig. 25 is a partial enlarged view of the embodiment of fig. 24 at D.

Description of reference numerals:

a workbench 1, a valve body feeding station 1a, a valve body first sealing ring mounting station 1b, a valve body second sealing ring mounting station 1c, a valve rod mounting station 1d, a valve rod lubricating station 1e, a first transfer station 1f, a lock nut mounting station 1g, a valve core mounting station 1h, a valve body lock catch riveting station 1j, a second transfer station 1k, an adjusting screw automatic glue dispensing mounting station 1l, a sealing detection station 1m, a discharging station 1n, a valve rod feeding station 1o, a valve rod sealing ring mounting station 1p, a valve body transferring mechanism 2, a valve body feeding mechanism 2a, a first mechanical claw moving mechanism 2b, a vertical movable plate 2b1, a telescopic upright post 2b2, a first linear driving device 2b3, a horizontal sliding plate 2b4, a first sliding rail 2b5, a second linear driving device 2b6, a second mechanical claw moving mechanism 2c and a mechanical claw 2d, a valve body unloading mechanism 2e, an unloading manipulator 2e1, a fourth sliding table 2e11, a twenty-third linear driving device 2e12, a finger cylinder 2e13, a valve body clamping jaw 2e14, a belt conveyor 2e2, a material stacking tray 2e3, a waste material barrel 2e4, a fourth sensor 2e5, a valve body sealing ring mounting mechanism 3, a first sealing ring loading table 3a, a movable loading table 3a1, a third linear driving device 3a2, a material blocking ring 3a3, a first sensor 3a4, a fourth linear driving device 3a5, a first movable cover plate 3a6, a second sealing ring loading table 3b, a first sealing ring mounting manipulator 3c, a fifth linear driving device 3c1, an upper cross fixing frame 3c2, a guide post 3c3, a guide sleeve 3c4, a lower cross fixing frame 3c5, a four clamping jaw 3c 82 6, a clamping jaw 3c7, a sixth linear driving device 3c 583 c, a second linear driving device 863 c and a guide rod 863 d, a manipulator fixing bracket 3e, a bracket moving mechanism 3f, a valve rod feeding mechanism 4, a vibrating disc 4a, a feeding pipe 4b, an opening 4b1, a valve rod stopping mechanism 4c, a bracket 4c1, a seventh linear driving device 4c2, a first stopping rod 4c3, an eighth linear driving device 4c4, a second stopping rod 4c5, a valve rod worktable 4d, a valve rod clamping jaw 4d1, a first finger cylinder 4d2, a worktable slipway 4e, a first slide block 4e1, a second slide rail 4e2, a ninth linear driving device 4e3, a manipulator 4f, a valve rod sealing ring mounting mechanism 5, a third sealing ring loading table 5a, a sealing ring positioning table 5a1, a11, a feeding port 5a12, a deep hole 5a13, a first sensor hole 5a14, a second slide block 5a2, a pin 5a3, a resetting device 5a4, a second movable cover plate 5a, a movable cover plate 585 a, a counter bore 5a6, a sensor device 6, a third seal ring mounting robot 5b, a first slide table 5b1, a second slide table 5b2, an eleventh linear driving device 5b3, an outer sleeve 5b4, an inner sleeve 5b5, a positioning rod 5b6, a robot moving mechanism 5c, a lock nut mounting mechanism 6, a valve rod lubricating mechanism 6a, a twelfth linear driving device 6a1, an oil injector 6a2, a lock nut mounting robot 6b, a thirteenth linear driving device 6b1, a lock nut feeding table 6b2, a second finger cylinder 6b3, a lock nut jaw 6b4, a valve rod rotating mechanism 6c, a fourteenth linear driving device 6c1, an electric wrench 6c2, a spool mounting mechanism 7, a spool feeding table 7a, a spool positioning table 7a1, a feed port 7a11, a chute 7a12, a spool moving slider 7a2, a spool positioning groove 7a21, a fifteenth linear driving device 7a3, a spool baffle 7a4, and a manipulator mounting mechanism 7b4, a third sliding table 7b1, a sixteenth linear driving device 7b2, a spool manipulator bracket 7b3, a rotary finger cylinder 7b4, a spool clamping jaw 7b5, a seventeenth linear driving device 7b6, a plunger 7b7, a valve body latch riveting mechanism 8, a riveting working bracket 8a, an eighteenth linear driving device 8b, a third sliding block 8c, a third sliding rail 8d, a riveting head 8e, a stop rod 8f, a threaded rod 8f1, a top rod 8f2, a riveting working table 8g, an adjusting screw automatic glue dispensing installation mechanism 9, an adjusting screw feeding table 9a, an adjusting screw sliding groove 9a1, a sensor installation groove 9a2, a second sensor probe hole 9a3, an adjusting screw transferring mechanism 9b, a fourth sliding block 9b1, a nineteenth linear driving device 9b2, a long push rod 9b3, a third sensor 9b4, an adjusting screw dispensing mechanism 9c, a glue storage tank 9c1, a twenty-th linear driving device 2, the device comprises a glue injector bracket 9c3, an electric glue injector 9c4, an adjusting screw mounting mechanism 9d, a twenty-first linear driving device 9d1, a second electric wrench 9d2, a valve body positioning ring 9d3, a bearing 9d4, a bearing fixing plate 9d5, a tightness inspection mechanism 10, a gas injection pressure maintaining mechanism 10a, a gas injection rod 10a1, a twenty-second linear driving device 10a2, a gas hole plug 10b, a semicircular hole 10b1, a fixing plate 10b2, a mounting hole 10b3, a plug opposite moving mechanism 10c, an open finger cylinder 10c1, a clamping jaw 10c2, a square groove 10c3, a threaded hole 10c4 and a detection table 10 d.

Detailed Description

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

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 25, the automatic throttle valve assembling line comprises a workbench 1 and a valve body material moving mechanism 2 fixedly installed on the workbench 1, wherein thirteen stations are arranged on the workbench 1 in a straight line from one end of the workbench 1 to the other end of the workbench 1, the thirteen stations are respectively a valve body feeding station 1a, a valve body first sealing ring mounting station 1b, a valve body second sealing ring mounting station 1c, a valve rod mounting station 1d, a valve rod lubricating station 1e, a first transfer station 1f, a locking nut mounting station 1g, a valve core mounting station 1h, a valve body lock catch riveting station 1j, a second transfer station 1k, an adjusting screw automatic glue dispensing mounting station 1l, a sealing detection station 1m and an unloading station 1n, a valve rod feeding station 1o and a valve rod sealing ring mounting station 1p are arranged beside the valve rod mounting station 1 d;

a feeding mechanism is arranged beside a valve body feeding station 1a, a valve body first sealing ring mounting station 1b, a valve body second sealing ring mounting station 1c, a locking nut mounting station 1g, a valve core mounting station 1h, an adjusting screw automatic dispensing mounting station 1l, a valve rod feeding station 1o and a valve rod sealing ring mounting station 1p, a valve body first sealing ring mounting station 1b and a valve body second sealing ring mounting station 1c are provided with a valve body sealing ring mounting mechanism 3, a valve rod feeding mechanism 4 is arranged beside a valve rod feeding station 1o, a valve rod sealing ring mounting mechanism 5 is arranged beside a valve rod sealing ring mounting station 1p, a locking nut mounting mechanism 6 is arranged beside a locking nut mounting station 1g, a valve core mounting mechanism 7 is arranged beside a valve core mounting station 1h, and a valve body lock catch riveting mechanism 8 is arranged beside a valve body lock catch riveting station 1j, an adjusting screw automatic dispensing installation mechanism 9 is arranged beside an adjusting screw automatic dispensing installation station 1l, a sealing performance inspection mechanism 10 is arranged beside a sealing performance detection station 1m, and a controller is also arranged on the workbench 1 and is electrically connected with the valve body material moving mechanism 2, the valve body sealing ring installation mechanism 3, the valve rod feeding mechanism 4, the valve rod sealing ring installation mechanism 5, the locking nut installation mechanism 6, the valve core installation mechanism 7, the valve body lock catch riveting mechanism 8, the adjusting screw automatic dispensing installation mechanism 9, the sealing performance inspection mechanism 10 and the feeding mechanism;

the valve body material moving mechanism 2 comprises a valve body feeding mechanism 2a, a first mechanical claw moving mechanism 2b, a second mechanical claw moving mechanism 2c, mechanical clamping jaws 2d and a valve body discharging mechanism 2e, wherein the first twelve stations are respectively provided with one mechanical clamping jaw 2d, the mechanical clamping jaws 2d are arranged at equal intervals to form a straight line, the first mechanical claw moving mechanism 2b is fixedly connected with the first six mechanical clamping jaws 2d, the second mechanical claw moving mechanism 2c is fixedly connected with the last six mechanical clamping jaws 2d, the first mechanical claw moving mechanism 2b and the second mechanical claw moving mechanism 2c are of the same structure, the valve body feeding mechanism 2a is arranged beside the valve body feeding station 1a, and the valve body discharging mechanism 2e is arranged beside the discharging station 1 n;

the first gripper moving mechanism 2b comprises a vertical movable plate 2b1, a telescopic upright post 2b2, a first linear driving device 2b3, a horizontal sliding plate 2b4, a first sliding rail 2b5 and a second linear driving device 2b6, wherein the first sliding rail 2b5 and the second linear driving device 2b6 are arranged side by side and fixedly installed on the workbench 1, the horizontal sliding plate 2b4 is fixedly installed at the working end of the first sliding rail 2b5, the output end of the second linear driving device 2b6 is fixedly connected with the horizontal sliding plate 2b4, the first linear driving device 2b3 is fixedly installed at the middle end of the horizontal sliding plate 2b4 and the output end of the first linear driving device 2b3 is vertically upward, the telescopic upright post 2b2 is fixedly installed at the two ends of the horizontal sliding plate 2b4 and the telescopic direction of the telescopic upright post 2b2 is vertically upward, the vertical movable plate 2b1 is horizontally arranged above the horizontal sliding plate 2b4, the middle end of the vertical movable plate 2b1 is fixedly connected with the working end of the first linear driving device 2b3, the two ends of the vertical movable plate 2b1 are fixedly connected with the telescopic end of the telescopic upright post 2b2, and the mechanical clamping jaw 2d is fixedly mounted on the vertical movable plate 2b 1.

The first linear driving device 2b3 and the second linear driving device 2b6 are both single-shaft cylinders, the second linear driving device 2b6 drives the horizontal sliding plate 2b4 to perform horizontal linear reciprocating motion on the first sliding rail 2b5, the first linear driving device 2b3 drives the vertical movable plate 2b1 to perform vertical reciprocating motion, and the telescopic upright post 2b2 is an upright post provided with a guide post and a guide sleeve, wherein the guide post is fixedly connected with the bottom end of the vertical movable plate 2b1, so that the telescopic upright post 2b2 can play roles in supporting the weight of the vertical movable plate 2b1 and guiding the moving direction of the vertical movable plate 2b 1;

the valve body feeding mechanism 2a comprises a mechanical arm, and when the valve body is fed, the feeding mechanism continuously moves the valve body to the side of the valve body feeding station 1a, and then the valve body is grabbed and placed on the valve body feeding station 1a through the valve body feeding mechanism 2 a;

subsequently, the mechanical clamping jaw 2d clamps the valve body, and then the first linear driving device 2b3 drives the vertically movable plate 2b1 to move upwards, so that the mechanical clamping jaw 2d clamps the valve body to leave the station and suspend; then the second linear driving device 2b6 drives the horizontal sliding plate 2b4 to drive the vertical movable plate 2b1 to move sideways, so that the mechanical clamping jaw 2d moves the valve body to the upper side of the next station, and then the first linear driving device 2b3 drives the vertical movable plate 2b1 to move downwards and loosen the mechanical clamping jaw 2d, so that the valve body naturally falls into the position of the next station; the first mechanical claw moving mechanism 2b and the second mechanical claw moving mechanism 2c work together to move a plurality of valve bodies to the next station at one time;

the valve body moves through the valve body material moving mechanism 2 under the control of the controller, meanwhile, the valve body sequentially passes through the valve body sealing ring installation mechanism 3, the valve rod feeding mechanism 4, the valve rod sealing ring installation mechanism 5, the locking nut installation mechanism 6, the valve core installation mechanism 7, the valve body lock catch riveting mechanism 8 and the adjusting screw automatic dispensing installation mechanism 9 to be processed, then the airtightness detection is carried out through the sealing detection mechanism 10, and after the detection is finished, the valve body material moving mechanism 2 moves to the position of the discharging station 1n to discharge through the valve body discharging mechanism 2 e.

The valve body sealing ring installation mechanism 3 comprises a first sealing ring loading platform 3a, a second sealing ring loading platform 3b, a first sealing ring installation manipulator 3c, a second sealing ring installation manipulator 3d and a manipulator fixing support 3e, the working ends of the first sealing ring loading platform 3a and the second sealing ring loading platform 3b are abutted against the output end of the loading mechanism, the first sealing ring installation manipulator 3c is arranged above the first sealing ring loading platform 3a, the working end of the first sealing ring installation manipulator 3c is vertically arranged downwards, the second sealing ring installation manipulator 3d is arranged above the second sealing ring loading platform 3b, the working end of the second sealing ring installation manipulator 3d is vertically arranged downwards, the first sealing ring installation manipulator 3c and the second sealing ring installation manipulator 3d are arranged on the manipulator fixing support 3e side by side, the manipulator fixing support 3e is fixedly arranged at the working end of the support moving mechanism 3f, the first sealing ring loading platform 3a and the second sealing ring loading platform 3b are identical in structure, the first sealing ring installing manipulator 3c and the second sealing ring installing manipulator 3d are identical in structure, and the horizontal height of the working end of the second sealing ring installing manipulator 3d is higher than that of the working end of the first sealing ring installing manipulator 3 c.

The feeding mechanism transmits the valve body sealing ring to the table top of a first sealing ring loading platform 3a and a second sealing ring loading platform 3b, then a first sealing ring installing mechanical arm 3c and a second sealing ring installing mechanical arm 3d respectively clamp the sealing ring on the first sealing ring loading platform 3a and the second sealing ring loading platform 3b, then the sealing ring is moved to the upper parts of the two valve bodies through a support moving mechanism 3f, the sealing ring sleeve is arranged on the valve body, the second sealing ring installing mechanical arm 3d is higher than the first sealing ring installing mechanical arm 3c, so the sealing ring on the top end of the valve body is installed by the second sealing ring installing mechanical arm 3d, the sealing ring at the middle end of the valve body is installed by the first sealing ring installing mechanical arm 3c, and then the mechanical arm fixing support 3e resets.

The first sealing ring feeding table 3a comprises a movable feeding table 3a1 and a third linear driving device 3a2, the movable feeding table 3a1 abuts against a discharge port of the feeding mechanism, the top surface of the movable feeding table 3a1 is lower than the discharge port of the feeding mechanism in a non-working state, the third linear driving device 3a2 is arranged below the movable feeding table 3a1, and the working end of the third linear driving device 3a2 is vertically arranged upwards and fixedly connected with the movable feeding table 3a 1.

The third linear driving device 3a2 is a double-shaft double-rod cylinder sliding table, the third linear driving device 3a2 drives the movable feeding table 3a1 to reciprocate vertically, the side surface of the movable feeding table 3a1 blocks the discharge hole of the feeding mechanism when the movable feeding table 3a1 rises so as to interrupt discharging, and the third linear driving device 3a2 descends and moves to the lower part of the discharge hole of the discharging mechanism so as to receive a sealing ring through the top surface of the third linear driving device.

The top end of the movable feeding platform 3a1 is provided with a material blocking ring 3a3, the material blocking ring 3a3 is in a vertically and upwardly extending annular shape, the inner wall of the material blocking ring 3a3 is in clearance fit with the outer contour of the sealing ring, an opening for the sealing ring to enter is formed in one side, facing the feeding mechanism, of the material blocking ring 3a3, and the height of the movable feeding platform 3a1 is equal to the thickness of the sealing ring.

The sealing ring enters the inside of the material blocking ring 3a3 through the opening of the material blocking ring 3a3, so that the movement of the sealing ring is limited by the material blocking ring 3a3, and the first sealing ring mounting manipulator 3c can accurately clamp the sealing ring.

The two sides of the movable feeding table 3a1 are provided with first sensors 3a4, the first sensors 3a4 are symmetrically arranged in opposite directions, the height of the working end of the first sensor 3a4 is flush with the height of the movable feeding table 3a1, the two sides of the movable feeding table 3a1 are provided with semicircular holes for laser of the first sensors 3a4 to pass through, and the first sensors 3a4 are electrically connected with the controller.

The first sensor 3a4 is a correlation type photoelectric sensor, when the sealing ring enters into the material blocking ring 3a3, the sealing ring blocks the optical signal transmission between the first sensors 3a4, the first sensor 3a4 sends a signal to the controller, and then the controller sends a signal to the feeding mechanism to stop the feeding mechanism.

The first seal ring feeding table 3a further comprises a fourth linear driving device 3a5 and a first movable cover plate 3a6, the first movable cover plate 3a6 is fixedly installed at a working end of the fourth linear driving device 3a5, the fourth linear driving device 3a5 is arranged at a side of the movable feeding table 3a1, the fourth linear driving device 3a5 is fixedly connected with a working end of the third linear driving device 3a2, an output direction of the fourth linear driving device 3a5 is arranged towards the striker ring 3a3, and the first movable cover plate 3a6 is a flat plate with a bottom surface in clearance fit with a top surface of the striker ring 3a 3.

The fourth linear driving device 3a5 is a double-shaft double-rod cylinder, the fourth linear driving device 3a5 drives the first movable cover plate 3a6 to horizontally reciprocate, so that the first movable cover plate 3a6 can move above or separate from the striker ring 3a3, when the sealing ring is fed and moved, the first movable cover plate 3a6 covers above the striker ring 3a3, the sealing ring enters the inside of the striker ring 3a3 from the gap between the movable feeding table 3a1 and the first movable cover plate 3a6, when the first sealing ring mounting manipulator 3c needs to clamp a sealing ring, the fourth linear driving device 3a5 drives the first movable cover plate 3a6 to be separated from the upper side of the material blocking ring 3a3, the first movable cover plate 3a6 and the movable material loading platform 3a1 limit the movement of the sealing ring in the vertical direction, and the sealing ring is prevented from falling to the outer side of the first sealing ring material loading platform 3a when the sealing ring is loaded or moved upwards.

The first sealing ring installation manipulator 3c comprises a fifth linear driving device 3c1, an upper cross fixing frame 3c2, a lower cross fixing frame 3c5, a four-jaw chuck 3c6 and a clamping jaw 3c7, wherein the upper cross fixing frame 3c2 and the lower cross fixing frame 3c5 are cross-shaped brackets respectively arranged at the upper side and the lower side of the manipulator fixing bracket 3e, the upper cross fixing frame 3c2 and the lower cross fixing frame 3c5 are identical in structure and are horizontally arranged, guide posts 3c3 vertically penetrating through the manipulator fixing bracket 3e and fixedly connected with the four corners of the lower cross fixing frame 3c5 are arranged at the four corners of the upper cross fixing frame 3c2, a guide sleeve 3c4 fixedly arranged on the manipulator fixing bracket 3e is sleeved on each guide post 3c3, the fifth linear driving device 3c1 is fixedly arranged on the upper cross fixing frame 3c2, and the fixed end of the fifth linear driving device 3c1 is fixedly connected with the upper cross fixing frame 3c2, the output end of the fifth linear driving device 3c1 is vertically arranged downwards and is fixedly connected with the manipulator fixing bracket 3 e;

the four-jaw chuck 3c6 is fixedly arranged at the bottom end of the manipulator fixing support 3e, the four-jaw chuck 3c6 is positioned between the bottom surface of the manipulator fixing support 3e and the top surface of the lower cross fixing frame 3c5, the working end of the four-jaw chuck 3c6 is provided with a jaw 3c7, the jaw 3c7 is four L-shaped jaws arranged around the central angles of the axes of the four-jaw chuck 3c6 and the like, and the working end of the jaw 3c7 is vertically arranged downwards;

the lower cross fixing frame 3c5 is provided with a through hole for the claw 3c7 to pass through, the bottom end of the claw 3c7 is positioned below the bottom surface of the lower cross fixing frame 3c5 in a non-working state, the working end of the claw 3c7 is abutted to the inner wall of the middle round hole of the lower cross fixing frame 3c5 in a working state, and meanwhile, the working end of the claw 3c7 is positioned above the bottom surface of the lower cross fixing frame 3c 5.

The fifth linear driving device 3c1 is a single-shaft single-rod cylinder, the upper cross fixing frame 3c2, the guide pillar 3c3, the guide sleeve 3c4 and the lower cross fixing frame 3c5 form a double-plane workbench capable of vertically reciprocating to slide, when the fifth linear driving device 3c1 works, the double-plane workbench moves upwards, and when the fifth linear driving device 3c1 is reset, the double-plane workbench moves downwards;

the four-jaw chuck 3c6 is a hollow four-jaw finger cylinder, the four-jaw chuck 3c6 drives the jaws 3c7 to move close to the middle in a non-working state, the four jaws 3c7 are inserted into the sealing ring after being closed, then the four-jaw chuck 3c6 drives the jaws 3c7 to open, the four jaws 3c7 expand the sealing ring and then sleeve the sealing ring on the outer side of the valve body, then the fifth linear driving device 3c1 works to drive the lower cross fixing frame 3c5 to move downwards, the lower cross fixing frame 3c5 pushes the sealing ring down from the jaws 3c7, and the sealing ring naturally contracts and is sleeved on the valve body;

the support moving mechanism 3f comprises a double-shaft double-rod cylinder sliding table which is vertically arranged and a magnetic coupling rodless cylinder sliding table which is horizontally arranged, and the manipulator fixing support 3e drives the first sealing ring mounting manipulator 3c and the second sealing ring mounting manipulator 3d to vertically reciprocate and horizontally reciprocate towards the valve body through the support moving mechanism 3 f.

The valve body sealing ring installation mechanism 3 further comprises a sixth linear driving device 3c8 and a guide rod 3c9, the guide rod 3c9 is fixedly installed at the working end of the sixth linear driving device 3c8, the sixth linear driving device 3c8 is fixedly installed below the manipulator fixing support 3e and is located inside the four-jaw chuck 3c6, the working end of the sixth linear driving device 3c8 is vertically and downwards arranged, a groove attached to the outer wall of the guide rod 3c9 is formed in one side, facing the guide rod 3c9, of the jaw 3c7, the bottom end of the guide rod 3c9 is higher than the bottom end of the jaw 3c7 in the non-working state, and the bottom end of the guide rod 3c9 is lower than the bottom end of the jaw 3c7 in the working state.

The sixth linear driving device 3c8 is a single-shaft single-rod cylinder installed in the hollow part of the four-jaw chuck 3c6, and in the working state, the sixth linear driving device 3c8 drives the guide rod 3c9 to move to the lower part of the bottom end of the jaw 3c7, and simultaneously the four-jaw chuck 3c6 drives the jaw 3c7 to move inwards and enables the inner wall of the jaw 3c7 to abut against the guide rod 3c9, so that the jaw 3c7 and the guide rod 3c9 form a cone, and the cone can be more accurately squeezed into the sealing ring.

The automatic valve rod sealing ring mounting device comprises a valve rod feeding mechanism 4 and a valve rod sealing ring mounting mechanism 5;

the valve rod feeding mechanism 4 comprises a vibrating disc 4a, a feeding pipe 4b, a valve rod locking mechanism 4c, a valve rod workbench 4d, a workbench sliding table 4e and a manipulator 4f, one end of the feeding pipe 4b is horizontally arranged and installed at a discharge hole of the vibrating disc 4a, the other end of the feeding pipe 4b is vertically arranged and installed at a feeding hole of the valve rod locking mechanism 4c, the valve rod workbench 4d is arranged at the discharge hole of the valve rod locking mechanism 4c, and the workbench sliding table 4e driving the valve rod workbench 4d to move towards the direction of the valve rod sealing ring installation mechanism 5 is installed below the valve rod workbench 4 d;

the valve rod sealing ring mounting mechanism 5 comprises a third sealing ring feeding platform 5a and a third sealing ring mounting manipulator 5b, the third sealing ring feeding platform 5a is arranged at the side of the valve rod workbench 4d, the third sealing ring mounting manipulator 5b is arranged right above the third sealing ring feeding platform 5a, and a manipulator moving mechanism 5c for driving the third sealing ring mounting manipulator 5b to move towards the valve rod workbench 4d is arranged on the third sealing ring mounting manipulator 5 b.

The valve rod is continuously transmitted into the feeding pipe 4b by the vibrating disc 4a, the valve rod slides to a feeding port of the valve rod stop mechanism 4c in the feeding pipe 4b and is stopped by the valve rod stop mechanism 4c, so that the valve rod can only intermittently move to the valve rod workbench 4d one by one, when the first valve rod falls into the valve rod workbench 4d, the valve rod stop mechanism 4c prevents the valve rod in the feeding pipe 4b from continuously descending, and then the workbench sliding table 4e drives the valve rod workbench 4d to move to the side of the third seal ring feeding table 5 a;

the third seal ring loading platform 5a moves the valve rod seal ring to be under the third seal ring installing manipulator 5b, the third seal ring installing manipulator 5b grabs the valve rod seal ring, then the manipulator moving mechanism 5c drives the third seal ring installing manipulator 5b to move to be over the valve rod workbench 4d, and then the third seal ring installing manipulator 5b installs the seal ring on the valve rod in the valve rod workbench 4 d;

after the sealing ring is installed on the valve rod, the manipulator 4f picks up the valve rod from the valve rod workbench 4d and moves the valve rod to the position of the valve rod installation station 1d, so that the valve rod is installed inside the valve body, then the workbench sliding table 4e drives the valve rod workbench 4d to return to the lower part of the valve rod stop mechanism 4c, and the valve rod stop mechanism 4c releases the limitation, so that the next valve rod falls into the valve rod workbench 4 d.

The valve rod stopping mechanism 4c comprises a bracket 4c1, a seventh linear driving device 4c2, a first stopping rod 4c3, an eighth linear driving device 4c4 and a second stopping rod 4c5, a feeding pipe 4b, a seventh linear driving device 4c2 and an eighth linear driving device 4c4 are all fixedly arranged on the bracket 4c1, the output directions of the seventh linear driving device 4c2 and the eighth linear driving device 4c4 are arranged towards the axis of the feeding pipe 4b, the first stopping rod 4c3 is fixedly arranged at the output end of the seventh linear driving device 4c2, the second stopping rod 4c5 is fixedly arranged at the output end of the eighth linear driving device 4c4, an opening 4b1 for the first stopping rod 4c3 and the second stopping rod 4c5 to pass through is arranged on the feeding pipe 4b, the first stopping rod 4c3 is made of elastic material and the hollow end of the first stopping rod 4c3 is made of rigid stopping rod 5, the distance between the first stopper rod 4c3 and the second stopper rod 4c5 is longer than the length of one valve rod and is shorter than the lengths of two valve rods;

in the operating state, the second stopper rod 4c5 penetrates the entire feeding tube 4b, and the first stopper rod 4c3 passes through the opening 4b1 to abut against the surface of the valve stem.

The seventh linear driving device 4c2 and the eighth linear driving device 4c4 are single-shaft single-rod air cylinders, the valve rods move to the position of the opening 4b1 through the feeding pipe 4b, the eighth linear driving device 4c4 drives the second stop rod 4c5 to penetrate through the whole feeding pipe 4b through the opening 4b1, the first valve rod falls above the second stop rod 4c5, the second valve rod falls above the first valve rod, when the valve rod workbench 4d moves below the valve rod stop mechanism 4c, the seventh linear driving device 4c2 drives the first stop rod 4c3 to penetrate through the opening 4b1 to abut on the surface of the second valve rod, then the eighth linear driving device 4c4 drives the second stop rod 4c5 to be separated from the feeding pipe 4b, the first valve rod falls into the valve rod workbench 4d, and the second valve rod stops sliding downwards under the action of the first stop rod 4c 3; subsequently the eighth linear actuator 4c4 drives the second stop rod 4c5 to pass through the opening 4b1 again and through the entire feeding tube 4b, then the seventh linear actuator 4c2 drives the first stop rod 4c3 to disengage from the feeding tube 4b, so that the second valve stem falls above the second stop rod 4c5 and the third valve stem falls above the second valve stem; the valve rod can be fed discontinuously by the cyclic reciprocating.

The valve rod working table 4d comprises a valve rod clamping jaw 4d1 and a first finger cylinder 4d2, the valve rod clamping jaw 4d1 is fixedly installed at the working end of the first finger cylinder 4d2, a groove capable of accommodating a valve rod is formed in the valve rod clamping jaw 4d1, the working table sliding table 4e comprises a first sliding block 4e1, a second sliding block 4e2 and a ninth linear driving device 4e3 for driving the first sliding block 4e1 to horizontally and linearly move on the second sliding block 4e2, and the first finger cylinder 4d2 is fixedly installed on the first sliding block 4e 1.

The second slide rail 4e2 is fixedly mounted on the workbench 1 through a bracket, the ninth linear driving device 4e3 is a single-shaft single-rod air cylinder, the valve rod falls onto the first slide block 4e1 through the valve rod stopping mechanism 4c, then the first finger air cylinder 4d2 drives the valve rod clamping jaw 4d1 to clamp the valve rod, and then the ninth linear driving device 4e3 drives the first slide block 4e1 to slide to the side of the third seal ring feeding table 5a along the second slide rail 4e 2.

The third seal ring feeding table 5a comprises a seal ring positioning table 5a1 and a second slide block 5a2, the seal ring positioning table 5a1 is formed by combining two seal ring positioning blocks which are bilaterally symmetrical, the two seal ring positioning blocks are fixedly mounted on the two second slide blocks 5a2 respectively, the second slide block 5a2 is slidably mounted on a second slide rail 4e2, a pin 5a3 is fixedly mounted on one side of the second slide block 5a2, and a resetting device 5a4 for driving the two pins 5a3 to move oppositely is mounted at a free end of the pin 5a 3.

The resetting device 5a4 is an air spring, the resetting device 5a4 is fixedly installed on the workbench 1 through a support, a feeding mechanism continuously transmits a valve rod sealing ring to the sealing ring positioning table 5a1, the third sealing ring installation mechanical arm 5b extends into the sealing ring positioning table 5a1 and props up the sealing ring, the sealing ring positioning table 5a1 is propped up while the sealing ring is propped up, so that the two sealing ring positioning blocks are separated from each other, then the third sealing ring installation mechanical arm 5b carries the propped-up sealing ring to be separated from the sealing ring positioning table 5a1, one end of the resetting device 5a4 is fixed, the other end of the resetting device 5a4 is fixedly connected with the pin 5a3, the resetting device 5a4 drives the pin 5a3 to drive the second sliding block 5a2 to reset, and the sealing ring positioning table 5a1 also resets accordingly.

One side of the sealing ring positioning table 5a1 facing the feeding mechanism is provided with a feeding hole 5a11 for a sealing ring to enter, one side of the sealing ring positioning table 5a1 away from the feeding hole 5a11 is provided with a tenth linear driving device 5a6 with the output direction facing the sealing ring positioning table 5a1, the working end of the tenth linear driving device 5a6 is fixedly provided with a second movable cover plate 5a5, the second movable cover plate 5a5 is horizontally arranged, and the bottom surface of the second movable cover plate 5a5 is in clearance fit with the top surface of the sealing ring positioning table 5a 1.

When the feeding mechanism feeds materials, the tenth linear driving device 5a6 drives the second movable cover plate 5a5 to cover the sealing ring positioning table 5a1, the sealing ring enters the sealing ring positioning table 5a1 through the feeding port 5a11, at this time, the second movable cover plate 5a5 covers the sealing ring positioning table 5a1 to prevent the sealing ring from falling to the outer side of the sealing ring positioning table 5a1, and when the third sealing ring mounting manipulator 5b grabs the sealing ring, the tenth linear driving device 5a6 drives the second movable cover plate 5a5 to leave the position above the sealing ring positioning table 5a 1.

The third sealing ring installation manipulator 5b comprises a first sliding table 5b1, a second sliding table 5b2, an eleventh linear driving device 5b3, an outer sleeve 5b4, an inner sleeve 5b5 and a positioning rod 5b6, wherein the second sliding table 5b2 and the eleventh linear driving device 5b3 are fixedly arranged above the movable end of the first sliding table 5b1, the outer sleeve 5b4 is fixedly arranged below the movable end of the second sliding table 5b2, the inner sleeve 5b5 is fixedly arranged below the movable end of the first sliding table 5b1, the positioning rod 5b6 is fixedly arranged at the movable end of the eleventh linear driving device 5b3, the output directions of the first sliding table 5b1, the second sliding table 5b2 and the eleventh linear driving device 5b3 are vertically and downwards arranged, the inner sleeve 5b5 is sleeved outside the positioning rod 5b6, the outer sleeve 5b4 is sleeved outside the inner sleeve 5, the outer sleeve 5b4, the positioning rod 5b 59692 and the inner sleeve 5b6 are relatively slidable relative to the inner sleeve 5b 6855 b5, the inner diameter of the inner sleeve 5b5 is larger than the outer diameter of the valve stem;

in the non-working state, the bottom end of the inner sleeve 5b5 is positioned below the bottom end of the outer sleeve 5b4, and the bottom end of the positioning rod 5b6 is positioned below the bottom end of the inner sleeve 5b 5;

the top end of the sealing ring positioning table 5a1 is provided with a vertically downward extending counter bore 5a12, the counter bore 5a12 is provided with a deep hole 5a13 which vertically extends downward along the axis of the counter bore 5a12, the inner diameter of the deep hole 5a13 is larger than the outer diameter of the positioning rod 5b6 and smaller than the outer diameter of the inner sleeve 5b5, and the inner diameter of the counter bore 5a12 is larger than the outer diameter of the inner sleeve 5b5 and smaller than the outer diameter of the outer sleeve 5b 4.

The first sliding table 5b1 and the second sliding table 5b2 are both sliding tables powered by a single-shaft single-rod cylinder to reciprocate, the eleventh linear driving device 5b3 is a single-shaft single-rod cylinder, the first sliding table 5b1 is used for driving the second sliding table 5b2, the eleventh linear driving device 5b3, the outer sleeve 5b4, the inner sleeve 5b5 and the positioning rod 5b6 to reciprocate vertically at the same time, the second sliding table 5b2 is used for driving the outer sleeve 5b4 to reciprocate vertically and independently, and the eleventh linear driving device 5b3 is used for driving the positioning rod 5b6 to reciprocate vertically and independently;

the outer sleeve 5b4 is slidable relative to the inner sleeve 5b5 with its bottom end above or below the bottom end of the inner sleeve 5b5, and the positioning rod 5b6 is slidable relative to the inner sleeve 5b5 with its bottom end below or above the bottom end of the inner sleeve 5b 5;

the valve rod sealing ring enters the sealing ring positioning table 5a1 through the feeding hole 5a11, the sealing ring falls on the counter bore 5a12, when the valve rod sealing ring is grabbed, the first sliding table 5b1 drives the working end of the first sliding table to move downwards, so that the outer sleeve 5b4, the inner sleeve 5b5 and the positioning rod 5b6 move downwards together, the positioning rod 5b6 is firstly inserted into the sealing ring and moves downwards into the deep hole 5a13, the inner sleeve 5b5 moves into the counter bore 5a12 and abuts against the sealing ring downwards while the sealing ring is positioned by the positioning rod 5b6, and then the first sliding table 5b1 drives the inner sleeve 5b5 to move downwards continuously, so that the sealing ring is propped and is sleeved on the inner sleeve 5b5, and therefore grabbing work of the sealing ring is completed;

the manipulator moving mechanism 5c is a double-shaft double-rod air cylinder sliding table, when a sealing ring is installed, the manipulator moving mechanism 5c drives the third sealing ring installation manipulator 5b to move above the valve rod workbench 4d, the eleventh linear driving device 5b3 drives the positioning rod 5b6 to move upwards and retract into the inner sleeve 5b5, the first sliding table 5b1 drives the outer sleeve 5b4, the inner sleeve 5b5 and the positioning rod 5b6 to move downwards simultaneously, so that the inner sleeve 5b5 is sleeved on the outer side of the valve rod, the bottom end of the inner sleeve 5b5 faces the position of the valve rod for installing the sealing ring, then the second sliding table 5b2 drives the outer sleeve 5b4 to move downwards, and the sealing ring is pushed down from the inner sleeve 5b5 by the outer sleeve 5b4 and is naturally tightened and fixed on the valve.

The two sides of the sealing ring positioning table 5a1 are provided with second sensors 5a7, the sealing ring positioning table 5a1 is provided with a first sensor probe hole 5a14 through which light output by the second sensor 5a7 passes, the first sensor probe hole 5a14 is flush with the counter bore 5a12, and the second sensor 5a7 is electrically connected with the controller.

The second sensor 5a7 is a correlation type photoelectric sensor, the feeding mechanism transmits the sealing ring to the inside of the sealing ring positioning table 5a1, when the sealing ring falls onto the counter bore 5a12, the sealing ring blocks photoelectric signals between the second sensors 5a7, the second sensors 5a7 send signals to the controller, and the controller sends signals to the feeding mechanism again to stop the feeding mechanism, so that the feeding mechanism can intermittently feed materials.

The locking nut mounting mechanism 6 comprises a valve rod lubricating mechanism 6a, a locking nut mounting manipulator 6b and a valve rod rotating mechanism 6c, the valve rod lubricating mechanism 6a is arranged above a valve rod lubricating station 1e, the locking nut mounting manipulator 6b is arranged below a locking nut mounting station 1g, and the valve rod rotating mechanism 6c is arranged above the locking nut mounting station 1 g;

the valve rod lubricating mechanism 6a comprises a twelfth linear driving device 6a1 and an oil injector 6a2 fixedly arranged at the working end of the twelfth linear driving device 6a1, and the output direction of the twelfth linear driving device 6a1 is vertically arranged downwards;

the lock nut mounting manipulator 6b comprises a thirteenth linear driving device 6b1, a lock nut feeding table 6b2, a second finger cylinder 6b3 and a lock nut clamping jaw 6b4, wherein the thirteenth linear driving device 6b1 is fixedly installed on the workbench 1, the output direction of the thirteenth linear driving device 6b1 is vertically and upwards arranged, the lock nut feeding table 6b2 is fixedly installed at the working end of the thirteenth linear driving device 6b1, the lock nut feeding table 6b2 abuts against the discharge port of the feeding mechanism, the second finger cylinder 6b3 is fixedly installed on the lock nut feeding table 6b2, the lock nut clamping jaw 6b4 is fixedly installed at the working end of the second finger cylinder 6b3, the lock nut clamping jaw 6b4 is located on two sides of the discharge port of the feeding mechanism, and the bottom surface of the lock nut clamping jaw 6b4 is in clearance fit with the top surface of the lock nut feeding table 6b 2;

the valve rod rotating mechanism 6c comprises a fourteenth linear driving device 6c1 and an electric wrench 6c2 fixedly arranged at the working end of the fourteenth linear driving device 6c1, and the output direction of the fourteenth linear driving device 6c1 is vertically arranged downwards.

The twelfth linear driving device 6a1 and the thirteenth linear driving device 6b1 are both double-shaft double-rod cylinder sliding tables, the valve body provided with the valve rod moves to the valve rod lubricating station 1e, then the twelfth linear driving device 6a1 drives the oil ejector 6a2 to move downwards and oil the valve rod to lubricate, then the valve body moves to the locking nut mounting station 1g, the feeding mechanism moves the locking nut to the locking nut feeding platform 6b2, the second finger cylinder 6b3 drives the locking nut clamping jaws 6b4 to clamp the locking nut, then the thirteenth linear driving device 6b1 drives the locking nut feeding platform 6b2 to move upwards, so that the locking nut is sleeved on the bottom end of the valve rod, meanwhile, the fourteenth linear driving device 6c1 drives the electric wrench 6c2 to move downwards and to be sleeved on the top end of the valve rod, and the electric wrench 6c2 drives the valve rod to rotate, so that the locking nut can be rotatably installed on the valve rod and is in threaded connection with the valve rod.

The output end of the electric wrench 6c2 is provided with a damping ring which is attached to the curved surface of the top end of the valve rod.

The top end of the valve rod is not of a hexagonal structure but of a cylindrical structure, the electric wrench 6c2 cannot drive the valve rod to rotate, a damping ring is needed to provide friction force between the valve rod and the electric wrench 6c2, and the damping ring can be a rubber ring.

Valve body hasp riveting set is including case installation mechanism 7 and valve body hasp riveting set 8, case installation mechanism 7 is including case material loading platform 7a and case installation manipulator 7b, the discharge gate at material loading mechanism is installed to case material loading platform 7a, valve body hasp riveting set 8 is including riveting work support 8a, eighteenth linear drive device 8b, riveting head 8e and riveting work platform 8g, eighteenth linear drive device 8b fixed mounting is on the top of riveting work support 8a, the vertical downward setting of output direction of eighteenth linear drive device 8b, riveting head 8e fixed mounting is at eighteenth linear drive device 8 b's work end, riveting work platform 8g sets up under riveting head 8 e.

Riveting work support 8a and riveting work platform 8g fixed mounting are on workstation 1, eighteenth linear drive device 8b is the pneumatic cylinder, feed mechanism moves the case to the pan feeding mouth of case material loading platform 7a, case material loading platform 7a moves the case to case installation manipulator 7 b's work end below, case installation manipulator 7b picks the case after placing inside the valve body, then the valve body moves material mechanism 2 through the valve body and moves on riveting work platform 8g and fix, then eighteenth linear drive device 8b drive riveting head 8e moves down with the case riveting inside the valve body.

The spool feed table 7a includes a spool positioning table 7a1, the valve core moving slide block 7a2 and the fifteenth linear driving device 7a3, the valve core positioning table 7a1 is horizontally arranged beside the discharging port of the feeding mechanism, the side surface of the valve core positioning table 7a1 is provided with a feeding port 7a11 communicated with the discharging port of the feeding mechanism, the valve core positioning table 7a1 is further provided with a chute 7a12 in sliding fit with the valve core moving slide block 7a2, the chute 7a12 horizontally extends from one end of the valve core positioning table 7a1 to the other end of the valve core positioning table 7a1, the output end of the fifteenth linear driving device 7a3 penetrates through the valve core positioning table 7a1 to be fixedly connected with one end of the valve core moving slide block 7a2, the output direction of the fifteenth linear driving device 7a3 is parallel to the sliding direction of the valve core moving slide block 7a2, and the top end of the chute 7a12 and one end of the fifteenth linear driving device 7a3 are.

The fifteenth linear driving device 7a3 is a single-shaft single-rod cylinder, the feeding mechanism moves the valve core to the valve core moving slider 7a2 through the feeding port 7a11, then the fifteenth linear driving device 7a3 drives the valve core moving slider 7a2 to slide along the sliding groove 7a12, so that the valve core is moved from the position of the feeding port 7a11 to below the working end of the valve core mounting manipulator 7b, at this time, the discharging port of the feeding mechanism is blocked by the valve core moving slider 7a2, and then the valve core mounting manipulator 7b grabs and mounts the valve core in the valve body.

The valve core moving slider 7a2 is provided with a valve core positioning groove 7a21 vertically extending downwards from the top end of the valve core moving slider 7a2, the valve core positioning groove 7a21 is communicated with a discharge hole of the feeding mechanism in a feeding state, the inner wall of the sliding groove 7a12 is in clearance fit with the valve core, and the inner wall of the valve core positioning groove 7a21 is in clearance fit with the valve core.

The valve core moves to the inside of the valve core positioning groove 7a21 through the feeding mechanism, and when the valve core moving slide block 7a2 slides, the valve core is limited in the middle by the inner walls of the valve core positioning groove 7a21 and the sliding groove 7a12, so that the valve core is accurately positioned.

The depth of the spool positioning groove 7a21 is equal to half the height of the spool.

The upper half of the cartridge is exposed so that the cartridge is grasped by the cartridge-mounting robot 7 b.

A valve core baffle 7a4 is fixed on the valve core positioning table 7a1, the valve core baffle 7a4 is in a long strip shape, the valve core baffle 7a4 is fixedly installed at the side of the sliding groove 7a12, the side surface of the valve core baffle 7a4 is flush with the inner wall of the sliding groove 7a12, one end of the valve core baffle 7a4 is located at one side of the material inlet 7a11 close to the fifteenth linear driving device 7a3, and a distance for the working end of the valve core installing manipulator 7b to enter is reserved between the other end of the valve core baffle 7a4 and the terminal end of the sliding groove 7a 12.

The valve body stopper 7a4 guides the movement of the valve body, and prevents the valve body from falling off when the valve body moves from the material inlet 7a11 to a position below the working end of the valve body mounting robot 7 b.

The valve core mounting manipulator 7b comprises a third sliding table 7b1, a sixteenth linear driving device 7b2, a valve core manipulator bracket 7b3, a rotary finger cylinder 7b4 and a valve core clamping jaw 7b5, wherein the third sliding table 7b1 is horizontally arranged, the sixteenth linear driving device 7b2 is fixedly installed at the working end of the third sliding table 7b1, the output direction of the sixteenth linear driving device 7b2 is vertically and downwards arranged, the valve core manipulator bracket 7b3 is fixedly installed at the working end of the sixteenth linear driving device 7b2, the rotary finger cylinder 7b4 is fixedly installed at the bottom end of the valve core manipulator bracket 7b3, the rotary finger cylinder 7b4 is horizontally arranged, and the valve core clamping jaw 7b5 is fixedly installed at the working end of the rotary finger cylinder 7b 4.

The tip of the valve core faces upwards when the valve core is loaded, so that the valve core is convenient to load, and the tip of the valve core needs to face downwards to be inserted into the valve body when the valve core is installed; the third sliding table 7b1 is a magnetic coupling rodless cylinder sliding table, the sixteenth linear driving device 7b2 is a double-shaft double-rod cylinder sliding table, the third sliding table 7b1 straddles between the valve core installation station 1h and the valve core positioning table 7a1, the rotary finger cylinder 7b4 is arranged towards the valve core installation station 1h, the tip end of the valve core moves upwards to one end of the valve core positioning table 7a1 through the valve core moving slider 7a2, the valve core is positioned right below the valve core clamping jaw 7b5 at the moment, the sixteenth linear driving device 7b2 drives the valve core manipulator support 7b3 to move downwards, so that the rotary finger cylinder 7b4 drives the valve core clamping jaw 7b5 to clamp the valve core, then the rotary finger cylinder 7b4 drives the valve core clamping jaw 7b5 to rotate 180 degrees, so that the tip end of the valve core moves downwards, then the third sliding table 7b1 drives the sixteenth linear driving device 7b2 to move above the valve core installation station 1, the sixteenth linear drive 7b2 then drives the rotary finger cylinder 7b4 downward to plug the tip of the valve spool downward into the valve body.

The valve core mounting manipulator 7b further comprises a seventeenth linear driving device 7b6 and a plunger 7b7, the seventeenth linear driving device 7b6 is fixedly mounted at the top end of the valve core manipulator bracket 7b3, the output end of the seventeenth linear driving device 7b6 is vertically arranged downwards, the plunger 7b7 is fixedly mounted at the working end of the seventeenth linear driving device 7b6, and the plunger 7b7 is positioned right above the valve core clamping jaw 7b 5.

After the valve core clamping jaw 7b5 puts the valve core into the valve body, a seventeenth linear driving device 7b6 drives the plunger 7b7 to move downwards, so that the plunger 7b7 enters from the opening at the top end of the valve body and abuts on the valve core, and then the plunger 7b7 presses the valve core downwards to a valve core mounting position in the valve body.

The valve body lock catch riveting mechanism 8 further comprises a third sliding block 8c and a third sliding rail 8d, the third sliding rail 8d is vertically arranged and fixedly installed on the riveting working support 8a, the third sliding block 8c is slidably installed on the third sliding rail 8d, and the middle end of the riveting head 8e is fixedly installed on the third sliding block 8 c.

The third sliding block 8c and the third sliding rail 8d are used for guiding the vertical reciprocating motion of the riveting head 8e, the third sliding block 8c is sleeved on the outer side of the riveting head 8e to play a role in reinforcing the riveting head 8e, the riveting head 8e is prevented from being bent after being used in a large amount, and the service life of the riveting head 8e is prolonged.

The valve body lock catch riveting mechanism 8 further comprises two stop rods 8f, and the stop rods 8f are fixedly arranged on the third sliding block 8c and are respectively positioned on two sides of the riveting head 8 e.

The stop rod 8f is fixedly installed on the third slide block 8c, and the stop rod 8f is used for limiting the maximum displacement of the downward movement of the third slide block 8c, so that the valve body is prevented from being crushed by the excessive downward movement of the riveting head 8 e.

The stop rod 8f comprises a threaded rod 8f1 and a push rod 8f2, the push rod 8f2 is arranged at the bottom end of the threaded rod 8f1, the threaded rod 8f1 penetrates through the third sliding block 8c, two nuts are sleeved on the threaded rod 8f1 and are in threaded fit with the threaded rod 8f1, and the two nuts are respectively abutted to the top surface and the bottom surface of the third sliding block 8 c.

The stop rod 8f is fixedly mounted on the third sliding block 8c through the threaded rod 8f1 and the nut, the upper position and the lower position of the threaded rod 8f1 can be adjusted after the nut is loosened, so that the upper position and the lower position of the stop rod 8f can be adjusted, a worker can adjust the stop rod 8f to a proper height through an adjusting screw, and the riveting head 8e can rivet the valve body and cannot crush the valve body.

The adjusting screw automatic dispensing installation mechanism 9 comprises an adjusting screw feeding table 9a, the automatic feeding device comprises an adjusting screw dispensing mechanism 9c and an adjusting screw mounting mechanism 9d, a feeding port of the adjusting screw feeding table 9a is communicated with a discharging port of the feeding mechanism, one end of the adjusting screw feeding table 9a is arranged right below the adjusting screw dispensing mechanism 9c, the other end of the adjusting screw feeding table 9a is arranged right below the adjusting screw mounting mechanism 9d, one side of the adjusting screw feeding table 9a is provided with an adjusting screw moving mechanism 9b for driving an adjusting screw to move from the lower part of the adjusting screw dispensing mechanism 9c to the lower part of the adjusting screw mounting mechanism 9d, the adjusting screw mounting mechanism 9d comprises a twenty-first linear driving device 9d1 and a second electric wrench 9d2 fixedly mounted at the working end of the twenty-first linear driving device 9d1, and the output direction of the twenty-first linear driving device 9d1 is vertically and downwards arranged.

Feed mechanism removes adjusting screw to adjusting screw material loading platform 9a on, adjusting screw point gum machine constructs 9c to the inside screw thread injecting glue of adjusting screw after that, then adjusting screw moves the below that material mechanism 9b drive adjusting screw removed adjusting screw installation mechanism 9d, twenty first straight line drive device 9d1 drive second electric spanner 9d2 remove downwards and the butt on the valve body, second electric spanner 9d2 starts to drive the valve body rotation, thereby with adjusting screw threaded connection in the bottom of valve body.

An adjusting screw sliding groove 9a1 in sliding fit with an adjusting screw is arranged on the adjusting screw feeding table 9a, the adjusting screw material moving mechanism 9b comprises a fourth sliding block 9b1 and a nineteenth linear driving device 9b2, the fourth sliding block 9b1 is fixedly connected with the output end of the nineteenth linear driving device 9b2, a fourth sliding block 9b1 is installed in the adjusting screw sliding groove 9a1, the output direction of the nineteenth linear driving device 9b2 is parallel to the adjusting screw sliding groove 9a1, and the fourth sliding block 9b1 is in sliding fit with two side faces of the inner wall of the adjusting screw sliding groove 9a 1.

The nineteenth linear driving device 9b2 is a single-shaft single-rod cylinder, the feeding mechanism moves the adjusting screw to the adjusting screw sliding groove 9a1, the adjusting screw is located right below the adjusting screw dispensing mechanism 9c, and after dispensing, the nineteenth linear driving device 9b2 drives the fourth sliding block 9b1 to push the adjusting screw to slide to the position right below the adjusting screw mounting mechanism 9d along the adjusting screw sliding groove 9a 1.

The fourth slider 9b1 and the nineteenth linear driving device 9b2 are connected through a long push rod 9b3, and the length of the long push rod 9b3 is larger than that of the adjusting screw sliding groove 9a 1.

The long push rod 9b3 solves the problem that the output shaft of the nineteenth linear drive 9b2 may be larger than the adjusting screw slide groove 9a1, so that the shape selection of the nineteenth linear drive 9b2 has no influence on the clearance between the inner wall of the adjusting screw slide groove 9a 1.

A third sensor 9b4 arranged towards the discharge port of the feeding mechanism is arranged on one side of the adjusting screw feeding table 9a, a sensor installation groove 9a2 used for installing the third sensor 9b4 is arranged on the other side of the feeding port of the adjusting screw feeding table 9a, and a second sensor probe hole 9a3 penetrating through the side wall of the adjusting screw feeding table 9a and communicated with the adjusting screw sliding groove 9a1 is arranged in the sensor installation groove 9a 2.

The third sensor 9b4 is a diffuse reflection photoelectric switch, when the adjusting screw falls into the adjusting screw sliding groove 9a1 from the feeding mechanism, the adjusting screw falls on the bottom surface of the adjusting screw sliding groove 9a1, and is sensed by the third sensor 9b4, the third sensor 9b4 sends a signal to the controller, the controller sends a signal to the feeding mechanism, the feeding mechanism stops feeding, and then the nineteenth linear driving device 9b2 drives the long push rod 9b3 to drive the fourth slide block 9b1 to push away the adjusting screw.

The arc of the second sensor probe hole 9a3 is tangent to the bottom surface of the adjusting screw chute 9a1, the distance between the fourth slider 9b1 and the long push rod 9b3 from the bottom surface of the adjusting screw chute 9a1 is larger than the diameter of the second sensor probe hole 9a3, and the third sensor 9b4 is electrically connected with the controller.

Since the distance between the fourth slider 9b1 and the long push rod 9b3 and the bottom surface of the adjusting screw slide groove 9a1 is greater than the diameter of the second sensor probe hole 9a3, the fourth slider 9b1 and the long push rod 9b3 are not sensed by the third sensor 9b4, so that the third sensor 9b4 sends a signal to the controller only when the adjusting screw falls into the adjusting screw slide groove 9a 1.

The screw-adjusting dispensing mechanism 9c comprises a twentieth linear driving device 9c2, a glue injector bracket 9c3 and an electric glue injector 9c4, the glue injector bracket 9c3 is fixedly installed at the working end of the twentieth linear driving device 9c2, the electric glue injector 9c4 is fixedly installed on the glue injector bracket 9c3, and the output direction of the twentieth linear driving device 9c2 is vertically downward.

Twentieth linear drive device 9c2 passes through support fixed mounting on workstation 1, twentieth linear drive device 9c2 is biax double-rod cylinder slip table, twentieth linear drive device 9c2 drive injecting glue ware support 9c3 drives electronic injecting glue ware 9c4 downstream, make electronic injecting glue ware 9c4 carry out the point to the adjusting screw and glue the point on the screw thread of adjusting screw, install adjusting screw on the valve body through adjusting screw installation mechanism 9d after, wait for glue to solidify, the adjusting screw can firmly be fixed on the valve body.

The adjusting screw dispensing mechanism 9c further comprises a glue storage tank 9c1, and a discharge port of the glue storage tank 9c1 is connected with a feed port of the electric glue injector 9c4 through a guide pipe.

The glue storage tank 9c1 is fixedly arranged on the workbench 1 through a bracket, and the glue in the glue storage tank 9c1 is continuously transferred to the electric glue injector 9c4 through a conduit.

The output end of the electric glue injector 9c4 is arranged obliquely downwards, and the output end of the electric glue injector 9c4 faces the internal thread of the adjusting screw in the working state.

Electronic injecting glue ware 9c4 is with glue point on adjusting screw's internal thread for after adjusting screw passes through the screw thread and installs in the valve body bottom, glue is dry can prevent that adjusting screw is not hard up.

The adjusting screw mounting mechanism 9d further comprises a valve body positioning ring 9d3, a bearing 9d4 and a bearing fixing plate 9d5, the bearing fixing plate 9d5 is arranged right below the second electric wrench 9d2, the valve body positioning ring 9d3 and the bearing 9d4 are both arranged below the bearing fixing plate 9d5, the outer ring of the bearing 9d4 is fixedly connected with the bearing fixing plate 9d5, and the inner ring of the bearing 9d4 is fixedly connected with the valve body positioning ring 9d 3.

The bearing fixing plate 9d5 is fixedly installed on the workbench 1 through a bracket, the valve body passes through a hole in the middle of the valve body positioning ring 9d3 and is placed on the valve body positioning ring 9d3, the bottom end of the valve body passes through the valve body positioning ring 9d3 and the bearing 9d4 and extends into the adjusting screw sliding groove 9a1 and is inserted into the adjusting screw, when the second electric wrench 9d2 drives the valve body to rotate, the valve body rotates in an auxiliary mode through the bearing 9d4, and friction force of the valve body rotation is reduced.

The tightness inspection mechanism 10 comprises a gas injection pressure maintaining mechanism 10a and a gas hole plug 10b, the plug opposite moving mechanism 10c and the detection table 10d are arranged above the detection table 10d, the plug opposite moving mechanism 10c is fixedly installed below the detection table 10d through a support, the working end of the plug opposite moving mechanism 10c extends upwards to the upper side of the detection table 10d and is respectively located on two sides of the detection table 10d, the air hole plug 10b is fixedly installed at the working end of the plug opposite moving mechanism 10c, the air hole plug 10b is attached to the side face of the valve body provided with the air hole, the air injection pressure maintaining mechanism 10a comprises an air injection rod 10a1 and a twenty-second linear driving device 10a2, the air injection rod 10a1 is fixedly installed at the working end of the twenty-second linear driving device 10a2, and the output direction of the twenty-second linear driving device 10a2 is vertically arranged downwards.

The gas injection and pressure maintaining mechanism 10a further comprises an air compressor, the valve body is placed on the detection table 10d, the twenty-second linear driving device 10a2 is a single-shaft single-rod cylinder, the twenty-second linear driving device 10a2 drives the gas injection rod 10a1 to move downwards, so that the gas injection rod 10a1 covers the top end of the valve body, meanwhile, the plug opposite moving mechanism 10c drives the gas hole plugs 10b to move towards the direction of the valve body, so that the gas hole plugs 10b clamp the valve body from two sides of the valve body and block the positions of the valve body where the gas holes are formed, and then the air compressor injects gas into the valve body through the gas injection rod 10a1 and maintains the pressure for a period of.

The gas injection pressure maintaining mechanism 10a further comprises a gas pressure sensor, the gas pressure sensor is mounted inside the gas injection rod 10a1, and the gas pressure sensor is electrically connected with the controller.

When gas is injected into the valve body and pressure is maintained, the gas pressure sensor detects the gas pressure, if the gas pressure is lower than a standard value, a signal is sent to the controller, the controller sends a signal to the valve body unloading mechanism 2e, and the valve body unloading mechanism 2e puts the valve body into a waste box.

The air hole plug 10b is in a square shape made of elastic material, and one side of the air hole plug 10b facing the valve body is provided with a semicircular hole 10b1 tightly matched with the circumferential surface of the valve body.

The plug opposite moving mechanism 10c drives the air hole plug 10b to move opposite to each other, so that the air hole plug 10b clamps the valve body through the semicircular hole 10b1, and the inner wall of the semicircular hole 10b1 tightly plugs the air hole on the side surface of the valve body through the elastic structure of the air hole plug 10 b.

A fixing piece 10b2 extending towards the direction far away from the valve body is installed at the top end of the air hole plug 10b, the fixing piece 10b2 is in a flat plate shape horizontally arranged, and two installation holes 10b3 vertically penetrating through the fixing piece 10b2 are formed in the fixing piece 10b 2; the plug opposite-direction moving mechanism 10c comprises an open finger cylinder 10c1 and a clamping jaw 10c2 installed at the working end of the open finger cylinder 10c1, and the working end of the clamping jaw 10c2 is provided with a square groove 10c3 in clearance fit with the air hole plug 10b and threaded holes 10c4 corresponding to the two installation holes 10b3 in a one-to-one mode.

The fixing piece 10b2 is made of rigid material, the air hole plug 10b is fixedly connected with the fixing piece 10b2 through glue, the fixing piece 10b2 is fixedly installed on the threaded hole 10c4 through a screw passing through the installation hole 10b3, so that the fixing piece 10b2 is fixed in the square groove 10c3, and the air hole plug 10b can be replaced when the air tightness is poor after the air hole plug 10b is used for a long time due to the detachable design.

The inner diameter of the gas injection rod 10a1 is larger than the outer diameter of the top ring of the valve body, and the bottom end of the gas injection rod 10a1 is provided with a sealing ring, and the inner diameter of the sealing ring is smaller than the inner diameter of the top ring of the valve body.

When the gas injection rod 10a1 is sleeved on the ring at the top end of the valve body, the gas injection rod 10a1 is connected with the top end line of the valve body through a sealing ring, so that gas cannot escape through a gap between the gas injection rod 10a1 and the valve body when pressure is maintained in the valve body.

The valve body unloading mechanism 2e comprises an unloading manipulator 2e1, a belt conveyor 2e2, a material stacking tray 2e3 and a waste material barrel 2e4, wherein the material stacking tray 2e3 is placed on a conveying belt of the belt conveyor 2e 2.

When detecting qualified, the valve body on the station 1n of unloading is grabbed and is placed on the stacking tray to the manipulator of unloading 2e1, and when detecting unqualified, the manipulator of unloading 2e1 is removed the waste material bucket after grabbing on the station 1n of unloading.

The code tray 2e3 is full of blind holes for loading valve bodies.

The discharging manipulator 2e1 picks the valve bodies on the discharging station 1n and places the valve bodies into each blind hole one by one.

The discharging manipulator 2e1 comprises a fourth sliding table 2e11, a twenty-third linear driving device 2e12, a finger cylinder 2e13 and a valve body clamping jaw 2e14, wherein the fourth sliding table 2e11 is spanned between a detection table (10d) and a belt conveyor 2e2 through a support, the twenty-third linear driving device 2e12 is fixedly installed at the working end of the fourth sliding table 2e11, the output direction of the twenty-third linear driving device 2e12 is vertically arranged downwards, the finger cylinder 2e13 is fixedly installed at the working end of the twenty-third linear driving device 2e12, and the valve body clamping jaw 2e14 is fixedly installed at the working end of the finger cylinder 2e 13.

The twenty-third linear driving device 2e12 is a double-shaft double-rod cylinder sliding table, the fourth sliding table 2e11 drives the twenty-third linear driving device 2e12 and the finger cylinder 2e13 to horizontally reciprocate, so that the finger cylinder 2e13 clamps the valve body through the valve body clamping jaw 2e14 to horizontally move the valve body, and the twenty-third linear driving device 2e12 is used for driving the finger cylinder 2e13 to vertically reciprocate, so that the finger cylinder 2e13 clamps or lowers the valve body through the valve body clamping jaw 2e 14.

The valve body unloading mechanism 2e further comprises a fourth sensor 2e5 fixedly installed on the side of the fixed end of the twenty-third linear driving device 2e12, the working direction of the fourth sensor 2e5 is vertically arranged downwards, and the unloading manipulator 2e1 and the fourth sensor 2e5 are both electrically connected with the controller.

The fourth sensor 2e5 is a diffuse reflection photoelectric switch, the fourth sensor 2e5 is used for detecting whether a throttle valve is placed in a blind hole in the code tray 2e3, when the fourth sensor 2e5 detects a blind hole without the throttle valve, the fourth sensor 2e5 sends a signal to the controller, the controller sends a signal to the discharging manipulator 2e1, and the discharging manipulator 2e1 places the throttle valve in the vacant blind hole.

The working principle is as follows:

the valve body moves through the valve body material moving mechanism 2 under the control of the controller, and simultaneously sequentially passes through the valve body sealing ring installation mechanism 3, the valve rod feeding mechanism 4, the valve rod sealing ring installation mechanism 5, the locking nut installation mechanism 6, the valve core installation mechanism 7, the valve body lock catch riveting mechanism 8 and the adjusting screw automatic dispensing installation mechanism 9 for processing, then the airtightness detection is carried out through the sealing detection mechanism 10, and after the detection is finished, the valve body material moving mechanism 2 moves to the position of the unloading station 1n to wait for unloading;

when the detection is qualified, the discharging manipulator 2e1 picks the valve bodies on the discharging station 1n and places the valve bodies one by one in each blind hole on the stacking tray 2e 3.

When the detection is not qualified, the discharging manipulator 2e1 grabs the valve body on the discharging station 1n and throws the valve body into the waste barrel 2e 4.

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

Claims (10)

1. The utility model provides a choke valve automatic assembly production line which characterized in that: the valve body material moving mechanism comprises a workbench (1) and a valve body material moving mechanism (2) fixedly installed on the workbench (1), wherein thirteen stations which are arranged in a straight line from one end of the workbench (1) to the other end of the workbench (1) are arranged on the workbench (1), the thirteen stations are respectively a valve body material loading station (1a), a valve body first sealing ring installation station (1b), a valve body second sealing ring installation station (1c), a valve rod installation station (1d), a valve rod lubricating station (1e), a first transfer station (1f), a locking nut installation station (1g), a valve core installation station (1h), a valve body lock catch riveting station (1j), a second transfer station (1k), an adjusting screw automatic glue dispensing installation station (1l), a sealing detection station (1m) and an unloading station (1n), and the valve rod installation station (1d) is provided with a valve rod material loading station (1o) and a sealing ring installation station (1p) ).

2. The automatic throttle valve assembling line according to claim 1, characterized in that: a valve body feeding station (1a), a valve body first sealing ring mounting station (1b), a valve body second sealing ring mounting station (1c), a locking nut mounting station (1g), a valve core mounting station (1h), an adjusting screw automatic dispensing mounting station (1l), a valve rod feeding station (1o) and a valve rod sealing ring mounting station (1p) are respectively provided with a feeding mechanism beside, a valve body sealing ring mounting mechanism (3) is arranged beside the valve body first sealing ring mounting station (1b) and the valve body second sealing ring mounting station (1c), a valve rod feeding mechanism (4) is arranged beside the valve rod feeding station (1o), a valve rod sealing ring mounting mechanism (5) is arranged beside the valve rod sealing ring mounting station (1p), a locking nut mounting mechanism (6) is arranged beside the locking nut mounting station (1g), and a valve core mounting mechanism (7) is arranged beside the valve core mounting station (1h), a valve body lock catch riveting mechanism (8) is arranged beside the valve body lock catch riveting station (1j), an adjusting screw automatic glue dispensing installation mechanism (9) is arranged beside the adjusting screw automatic glue dispensing installation station (1l), and a sealing performance inspection mechanism (10) is arranged beside the sealing performance detection station (1 m).

3. The automatic throttle valve assembling line according to claim 2, characterized in that: the automatic dispensing device is characterized in that a controller is further arranged on the workbench (1), and the controller is electrically connected with the valve body moving mechanism (2), the valve body sealing ring mounting mechanism (3), the valve rod feeding mechanism (4), the valve rod sealing ring mounting mechanism (5), the locking nut mounting mechanism (6), the valve core mounting mechanism (7), the valve body lock catch riveting mechanism (8), the adjusting screw automatic dispensing mounting mechanism (9), the sealing performance checking mechanism (10) and the feeding mechanism.

4. The automatic throttle valve assembling line according to claim 2, characterized in that: the valve body material moving mechanism (2) comprises a valve body feeding mechanism (2a), a first mechanical claw moving mechanism (2b), a second mechanical claw moving mechanism (2c), a mechanical clamping jaw (2d) and a valve body discharging mechanism (2e), all be provided with a mechanical clamping jaw (2d) on the first twelve stations, a plurality of mechanical clamping jaw (2d) equidistance interval arranges into a straight line, first gripper moving mechanism (2b) and six preceding mechanical clamping jaws (2d) fixed connection, second gripper moving mechanism (2c) and six back gripper (2d) fixed connection, first gripper moving mechanism (2b) and second gripper moving mechanism (2c) are the same structure, valve body feed mechanism (2a) set up in valve body material loading station (1a) side, valve body discharge mechanism (2e) set up in discharge station (1n) side.

5. The automatic throttle valve assembling line according to claim 3, characterized in that: the first mechanical claw moving mechanism (2b) comprises a vertical movable plate (2b1), a telescopic upright post (2b2), a first linear driving device (2b3), a horizontal sliding plate (2b4), a first sliding rail (2b5) and a second linear driving device (2b6), wherein the first sliding rail (2b5) and the second linear driving device (2b6) are arranged side by side and fixedly installed on the workbench (1), the horizontal sliding plate (2b4) is fixedly installed at the working end of the first sliding rail (2b5), the output end of the second linear driving device (2b6) is fixedly connected with the horizontal sliding plate (2b4), the first linear driving device (2b3) is fixedly installed at the middle end of the horizontal sliding plate (2b4) and the output end of the first linear driving device (2b3) is vertically arranged upwards, the telescopic upright post (2b2) is fixedly installed at the two ends of the horizontal sliding plate (2b4) and the telescopic upright post (2b2) is vertically arranged upwards, the vertical movable plate (2b1) is horizontally arranged above the horizontal sliding plate (2b4), the middle end of the vertical movable plate (2b1) is fixedly connected with the working end of the first linear driving device (2b3), the two ends of the vertical movable plate (2b1) are fixedly connected with the telescopic ends of the telescopic upright posts (2b2), and the mechanical clamping jaw (2d) is fixedly arranged on the vertical movable plate (2b 1).

6. The automatic throttle valve assembling line according to claim 2, characterized in that: the locking nut installation mechanism (6) comprises a valve rod lubricating mechanism (6a), a locking nut installation manipulator (6b) and a valve rod rotating mechanism (6c), the valve rod lubricating mechanism (6a) is arranged above a valve rod lubricating station (1e), the locking nut installation manipulator (6b) is arranged below a locking nut installation station (1g), and the valve rod rotating mechanism (6c) is arranged above the locking nut installation station (1 g).

7. The automatic throttle valve assembling line according to claim 6, characterized in that: the valve rod lubricating mechanism (6a) comprises a twelfth linear driving device (6a1) and an oil injector (6a2) fixedly installed at the working end of the twelfth linear driving device (6a1), and the output direction of the twelfth linear driving device (6a1) is vertically arranged downwards.

8. The automatic throttle valve assembling line according to claim 6, characterized in that: the locking nut mounting manipulator (6b) comprises a thirteenth linear driving device (6b1), a locking nut feeding table (6b2), a second finger cylinder (6b3) and a locking nut clamping jaw (6b4), the thirteenth linear driving device (6b1) is fixedly installed on the workbench (1), the output direction of the thirteenth linear driving device (6b1) is vertically and upwards arranged, the locking nut feeding table (6b2) is fixedly installed at the working end of the thirteenth linear driving device (6b1), the locking nut feeding table (6b2) abuts against the discharge port of the feeding mechanism, the second finger cylinder (6b3) is fixedly installed on the locking nut feeding table (6b2), the locking nut clamping jaws (6b4) are fixedly installed at the working end of the second finger cylinder (6b3), the locking nut clamping jaws (6b4) are located on two sides of the discharge port of the feeding mechanism, and the bottom surfaces of the locking nut clamping jaws (6b4) are in clearance fit with the top surface of the locking nut feeding table (6b 2).

9. The automatic throttle valve assembling line according to claim 6, characterized in that: the valve rod rotating mechanism (6c) comprises a fourteenth linear driving device (6c1) and an electric wrench (6c2) fixedly installed at the working end of the fourteenth linear driving device (6c1), and the output direction of the fourteenth linear driving device (6c1) is vertically arranged downwards.

10. The automatic throttle valve assembling line according to claim 9, wherein: and the output end of the electric wrench (6c2) is provided with a damping block attached to the curved surface of the top end of the valve rod.

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