Adaptive tool for shaping and repairing valve clack

Abstract

The invention relates to the technical field of intelligent manufacturing equipment, and discloses an adaptive tool for shaping and repairing a valve clack. The reshaping valve clack is reshaped and repaired through the repairing profiling disc, the lifting disc is driven to descend through the transmission assembly when the repairing profiling disc descends, the lifting disc is separated from the main body sleeve, and when the induction ring completely coincides with the edge of the reshaping valve clack, the sensor drives the driving mechanism to control the fixed supporting plate to contract; when the repairing profiling disc descends again after resetting, if the reshaping valve clack rebounds, reshaping repairing operation is conducted again, and if the reshaping valve clack does not rebound, the lifting disc begins to descend along with descending of the repairing profiling disc at the moment, so that reshaping repairing operation is completed; the induction ring and the edge of the shaping valve clack are still completely overlapped, at the moment, the main body sleeve and the lifting disc descend together, shaping and repairing are completed, correction of the shaping valve clack is facilitated, and meanwhile rebounding of the shaping valve clack after shaping and repairing is effectively avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent manufacturing equipment, and particularly relates to an adaptive tool for valve clapper reshaping repair. BACKGROUND

[0002] The intelligent manufacturing equipment is advanced production equipment integrating sensors, the Internet of Things, artificial intelligence and precision machinery technology, and has the characteristics of self-sensing, self-decision, self-execution and self-adaptation, and can realize intelligent control and flexible operation in the production process. The adaptive tool for valve clapper reshaping repair in the intelligent manufacturing equipment is a special intelligent tool for valve parts repair, which integrates the mechanical cooperative structure of the pressing disc and the intelligent sensing and self-adaptive adjustment technology, and can realize accurate reshaping repair of the valve clapper through the pressing disc and has the functions of self-sensing and self-correction.

[0003] In the Chinese patent No. CN204912481U, the utility model relates to a forging die technical field, especially relates to a hydraulic valve bonnet forging combined die, the lower surface of upper die is equipped with four bosses for shaping B face and the planar part for shaping A face and located in the middle of the lower surface of upper die, the lower surface of upper die is also provided with a guide column hole, the lower die includes die core, insert block, guide column and ejector pin, the die core is sleeved on the outside of the insert block, the top of the insert block forms a shaping chamber on the upper surface of the die core, the shaping chamber cooperates with the upper surface of the hydraulic valve bonnet, the guide column is installed in the die core and protrudes from the upper surface of the die core, the guide column cooperates with the guide column hole, and the ejector pin is installed on the die core. The hydraulic valve bonnet shaping combined die of the utility model uses upper die and lower die independently, the strength and service life of the lower die are improved significantly, some damaged parts can be replaced individually, the insert block of the lower die only needs to be machined instead of being milled, and the die machining cost is reduced.

[0004] In view of the above and the prior art, the present application has the following defects: In the casting production process of the valve clapper, the metal raw material needs to be melted into molten metal liquid that meets the requirements of composition, temperature and fluidity, and then poured into a customized casting cavity. After solidification and cooling, a valve clapper casting with a predetermined geometric shape is formed. The valve clapper, as the core sealing component of the valve, has a design feature of uneven wall thickness in its structure. During the cooling stage, significant differences in local temperature gradient and solidification rate are easily formed, which ultimately leads to the process defect of casting deformation of the valve clapper. SUMMARY

[0005] The technical problem to be solved by the present application is that the existing technology has the problem of inconsistent cooling of castings with different thicknesses, which leads to deformation of the valve clapper. To solve this problem, the present application provides an adaptive tool for valve clapper reshaping repair.

[0006] In order to achieve the above object, the technical scheme adopted by the present application is as follows: A kind of for valve clapper shaping repair adaptive tool, comprising: valve clapper shaping repair tool, the top of valve clapper shaping repair tool is fixedly connected with repair press, the output end of repair press is fixedly connected with repair press disc, the bottom of valve clapper shaping repair tool is fixedly connected with sleeve shell, the inside of sleeve shell is provided with main body sleeve, the inside of main body sleeve is engagedly connected with shaping valve clapper, the side of shaping valve clapper is surrounded with inductive ring, the outside of inductive ring is fixedly connected with sensor, the bottom of sensor is fixedly connected with connecting cable, the bottom of connecting cable is fixedly connected with driving mechanism, the output end of driving mechanism is fixedly connected with fixed support plate, the bottom of driving mechanism is fixedly connected with synchronous cable, the bottom of main body sleeve is provided with lifting disc, the bottom of lifting disc is provided with transmission assembly.

[0007] Preferably, the vertical central axis of the repair press disc coincides with the vertical central axis of the main body sleeve, and the bottom of the repair press disc is attached to the top of the shaping valve clapper.

[0008] Preferably, the groove inside the main body sleeve is of the same standard size as the shaping valve clapper, and the inner ring of the inductive ring is of the same standard size as the outer wall of the shaping valve clapper.

[0009] Preferably, the driving mechanism is arranged at equal angles about the vertical central axis of the sleeve shell, and the edges of the fixed support plate are arc-shaped.

[0010] Preferably, the bottom of the fixed support plate is provided with a buffer disc, the top of the buffer disc is fixedly connected with a buffer spring, and the buffer spring is fixedly connected with the sleeve shell.

[0011] Preferably, the transmission assembly includes a U-shaped frame, the U-shaped frame is fixedly connected with the lifting disc, the inside of the U-shaped frame is threadedly connected with a frame threaded rod, the top of the frame threaded rod is rotatably connected with a threaded rod rotating shaft, the top of the threaded rod rotating shaft is fixedly connected with a fixed frame, and the bottom of the frame threaded rod is fixedly connected with a first gear.

[0012] Preferably, the fixed frame is fixedly connected with the sleeve shell, and the first gear is rotatably connected with the sleeve shell.

[0013] Preferably, the side of the first gear is engaged with a second gear, the top of the second gear is fixedly connected with a rotating rod, the top of the rotating rod is rotatably connected with a fixed block, a driving thread is formed in the outer wall of the rotating rod, an active ball is slidably connected to the side of the driving thread, and the active ball is fixedly connected to the inside of a connecting plate.

[0014] Preferably, the second gear is rotatably connected with the sleeve shell, the fixed block is fixedly connected with the repair press, and the connecting plate is fixedly connected with the repair press disc.

[0015] Preferably, the movable balls are arranged at equal angles about the vertical central axis of the rotating rod, and the movable balls and the driving thread have a one-to-one correspondence.

[0016] Technical effects and advantages of the present application:

[0017] In the present application, the shaping valve disc is shaped and repaired by the repair profiling disc, the profiling disc is lowered to drive the lifting disc to be lowered through the transmission assembly, the lifting disc is separated from the main sleeve, when the sensing ring and the edge of the shaping valve disc completely coincide, the sensor promotes the driving mechanism to control the fixed support plate to shrink, at this time, the main sleeve moves downward in the inside of the sleeve shell, and one correction is completed, when the profiling disc is lowered again after resetting, if the shaping valve disc rebounds, the shaping and repairing operation is performed again, if the shaping valve disc does not rebound, at this time, the lifting disc starts to descend with the descending of the profiling disc, since the sensing ring and the edge of the shaping valve disc still completely coincide, at this time, the main sleeve descends with the lifting disc, the shaping and repairing is completed, which is beneficial to correct the shaping valve disc, and effectively avoids the rebound of the shaping valve disc after the shaping and repairing. BRIEF DESCRIPTION OF DRAWINGS

[0018] The disclosure of the present application will be explained with reference to the drawings. It should be understood that the drawings are for purposes of illustration only and are not intended to limit the scope of the present application. In the drawings, the same reference numerals are used to refer to the same components:

[0019] Figure 1 It is a front view structural schematic diagram of the adaptive tool for valve disc shaping and repairing of the present application;

[0020] Figure 2 It is an enlarged structural schematic diagram of the profiling disc part of the present application;

[0021] Figure 3 It is an internal structural schematic diagram of the sleeve shell part of the present application;

[0022] Figure 4 It is an enlarged structural schematic diagram of the sensing ring part of the present application;

[0023] Figure 5 It is a bottom structural schematic diagram of the sleeve shell part of the present application;

[0024] Figure 6 It is an enlarged structural schematic diagram of the No. 1 gear part of the present application;

[0025] Figure 7 It is an exploded structural schematic diagram of the lifting disc part of the present application;

[0026] Figure 8 It is an enlarged structural schematic diagram of the rotating rod part of the present application;

[0027] Figure 9 An exploded structural schematic view of the movable ball part of the present application.

[0028] Legend: 1, valve disc reshaping repair tool; 2, repair press; 3, repair die; 4, sleeve shell; 5, main sleeve; 6, reshaped valve disc; 7, induction ring; 8, sensor; 9, connecting cable; 10, driving mechanism; 11, fixed support plate; 12, synchronous cable; 13, lifting disc; 14, buffer disc; 15, buffer spring; 16, U-shaped frame; 17, frame threaded rod; 18, threaded rod pivot; 19, fixed frame; 20, No. 1 gear; 21, No. 2 gear; 22, rotating rod; 23, fixed block; 24, driving thread; 25, movable ball; 26, connecting plate. DETAILED DESCRIPTION

[0029] It is easy to understand that, according to the technical scheme of the present application, those skilled in the art can propose a plurality of structure modes and implementation modes which can be replaced with each other without changing the essential spirit of the present application. Therefore, the following detailed description and the accompanying drawings are only exemplary illustrations of the technical scheme of the present application, and should not be regarded as the whole or as the limitation or restriction of the technical scheme of the present application.

[0030] According to the embodiment of the present application Figures 1 to 9 is shown.

[0031] In the casting production process of the valve disc, the metal raw material needs to be melted into molten metal liquid meeting the requirements of composition, temperature and fluidity, and then poured into a customized casting cavity, and after solidification and cooling, a valve disc casting with a predetermined geometric appearance is formed. The valve disc, as the core sealing component of the valve, has a design feature of uneven wall thickness due to its own structure. During the cooling stage, significant differences in local temperature gradient and solidification rate are easily formed, which ultimately leads to the process defect of casting deformation of the valve disc casting. The deformation of the valve disc not only causes the sealing surface to exceed the tolerance, resulting in poor fit with the valve seat and causing medium leakage, but also easily induces safety accidents under high-pressure and hazardous medium working conditions, reduces the flow regulation accuracy in precise control scenarios, and causes abnormal clearance between the valve disc and valve rod, valve cage and other components, leading to valve opening and closing jamming, increased operating torque and even assembly problems. Meanwhile, the residual stress generated by the deformation easily forms stress concentration during the operation of the valve under alternating load, accelerates crack propagation and valve disc fatigue failure, and shortens the overall service life of the valve. In addition, the deformed casting needs to be repaired, and some severely deformed parts are directly scrapped, which greatly increases the production process cost, material loss and reduces the production yield. Moreover, the deformed valve disc is difficult to adapt to special working conditions such as high and low temperature and high pressure, further limiting the application range of the valve, and ultimately affecting the quality reliability and production economy of the valve product. In order to solve this problem, the present application makes the following design on the adaptive tool for valve disc reshaping repair:

[0032] An adaptive tool for valve trim reshaping repair, comprising: a valve trim reshaping repair tool 1, which is integrated positioning, pressure application, detection, correction and other functions for deformation defects generated in the valve trim casting process, a valve part special machining tool for accurate reshaping and repair of valve seal surface and external dimensions through mechanical or intelligent control mode, the top of the valve trim reshaping repair tool 1 is fixedly connected with a repair press 2, the repair press 2 is the core power execution equipment in the valve trim reshaping repair tool 1, mainly adopts hydraulic, pneumatic or servo electric drive mode, outputs controllable linear pressure and accurate vertical lifting stroke, its core function is to drive the repair pressure disc 3 to complete the action of descending pressure and rising reset, provides stable and adjustable pressure source for the reshaping and repair of valve, the output end of the repair press 2 is fixedly connected with the repair pressure disc 3, the bottom of the valve trim reshaping repair tool 1 is fixedly connected with a sleeve housing 4, the inside of the sleeve housing 4 is provided with a main sleeve 5, the inside of the main sleeve 5 is clampedly connected with a reshaping valve 6, the side of the reshaping valve 6 is surrounded by an induction ring 7, the induction ring 7 is a ring-shaped sensing reference element for accurately detecting the profile shape and rebound state of the reshaped valve in the valve trim reshaping repair tool 1, and is a key component for realizing rebound adaptive detection and control of the valve, the outside of the induction ring 7 is fixedly connected with a sensor 8, the sensor 8 is a core detection element matched with the induction ring 7, which is mainly of photoelectric sensor, displacement sensor or proximity sensor, and is installed beside the induction ring 7, which is a key component for realizing automatic detection of the rebound state of the valve, the bottom of the sensor 8 is fixedly connected with a connecting cable 9, the bottom of the connecting cable 9 is fixedly connected with a driving mechanism 10, the driving mechanism 10 is a core control execution unit for receiving the detection signal of the sensor 8 and driving the execution component to complete the action, which is mainly in the form of electric push rod, pneumatic actuator, hydraulic cylinder or servo motor module, and is a key hub for realizing automatic and adaptive reshaping of the tool, the output end of the driving mechanism 10 is fixedly connected with a fixed support plate 11, the bottom of the driving mechanism 10 is fixedly connected with a synchronous cable 12, the bottom of the main sleeve 5 is provided with a lifting disc 13, and the bottom of the lifting disc 13 is provided with a transmission assembly.

[0033] The vertical central axis of the repairing compression disc 3 coincides with the vertical central axis of the main sleeve 5, the bottom of the repairing compression disc 3 is attached to the top of the shaping valve disc 6, the groove formed in the inside of the main sleeve 5 has the same standard size as the shaping valve disc 6, the inner ring of the induction ring 7 has the same standard size as the outer wall of the shaping valve disc 6, the four driving mechanisms 10 are arranged at equal angles about the vertical central axis of the sleeve shell 4, the edge of the fixed support plate 11 is arranged in an arc shape, the bottom of the fixed support plate 11 is provided with a buffer disc 14, the top of the buffer disc 14 is fixedly connected with a buffer spring 15, the buffer spring 15 is fixedly connected with the sleeve shell 4, the transmission assembly comprises a U-shaped frame 16, a frame threaded rod 17, a threaded rod rotating shaft 18, a fixed frame 19, a first gear 20, a second gear 21, a rotating rod 22, a fixed block 23, a driving thread 24, a movable ball 25 and a connecting plate 26, the U-shaped frame 16 is fixedly connected with the lifting disc 13, the inside of the U-shaped frame 16 is threadedly connected with the frame threaded rod 17, the top of the frame threaded rod 17 is rotatably connected with the threaded rod rotating shaft 18, the top of the threaded rod rotating shaft 18 is fixedly connected with the fixed frame 19, the bottom of the frame threaded rod 17 is fixedly connected with the first gear 20, the fixed frame 19 is fixedly connected with the sleeve shell 4, the first gear 20 is rotatably connected with the sleeve shell 4, the side of the first gear 20 is engaged with the second gear 21, the top of the second gear 21 is fixedly connected with the rotating rod 22, the top of the rotating rod 22 is rotatably connected with the fixed block 23, the outer wall of the rotating rod 22 is provided with the driving thread 24, the side of the driving thread 24 is slidably connected with the movable ball 25, the movable ball 25 is fixedly connected in the inside of the connecting plate 26, the second gear 21 is rotatably connected with the sleeve shell 4, the fixed block 23 is fixedly connected with the repairing compression machine 2, the connecting plate 26 is fixedly connected with the repairing compression disc 3, the four movable balls 25 are arranged at equal angles about the vertical central axis of the rotating rod 22, and the movable ball 25 and the driving thread 24 have a one-to-one correspondence.

[0034] When the device is in use, the shaping valve 6 is placed inside the main sleeve 5, the repair press 2 is started to drive the repair molding disc 3 to descend, the repair molding disc 3 drives the connecting plate 26 to descend in the descending process, the connecting plate 26 drives the rotating rod 22 and the second gear 21 to rotate under the action of the movable ball 25, the second gear 21 drives the first gear 20 and the frame threaded rod 17 to rotate, the frame threaded rod 17 drives the U-shaped frame 16 and the lifting disc 13 to descend, at this time the lifting disc 13 leaves the main sleeve 5, the fixed support plate 11 supports the main sleeve 5, the repair molding disc 3 contacts the shaping valve 6 to shape and repair the shaping valve 6, after the shaping is completed, at this time the induction ring 7 is completely coincided with the edge of the shaping valve 6, the sensor 8 receives the signal of the induction ring 7 and transmits the signal to the driving mechanism 10 through the connecting cable 9, at this time the driving mechanism 10 controls the corresponding fixed support plate 11 to shrink synchronously under the action of the synchronous cable 12, at this time the support of the fixed support plate 11 to the main sleeve 5 disappears, the main sleeve 5 slides downward in the inside of the sleeve shell 4, the buffer disc 14 and the buffer spring 15 play a buffering support role to the main sleeve 5, at this time the first shaping and repairing is completed, then the repair molding disc 3 starts to reset, the repair molding disc 3 drives the lifting disc 13 to rise through the transmission assembly in the rising process, the lifting disc 13 pushes the main sleeve 5 to restore the initial position, then the second shaping and repairing is carried out, if the shaping valve 6 rebounds, at this time the repair molding disc 3 performs shaping and repairing again, if the shaping valve 6 does not rebound, at this time the repair molding disc 3 descends, the transmission assembly drives the lifting disc 13 to descend, at this time the fixed support plate 11 shrinks because the induction ring 7 is still completely coincided with the edge of the shaping valve 6, the main sleeve 5 descends with the lifting disc 13, at this time the shaping and repairing of the shaping valve 6 is completed.

[0035] The repair compression disc 3 and the main sleeve 5 are arranged, the shaping valve disc 6 is placed in the main sleeve 5, the shaping valve disc 6 is shaped and repaired by using the repair compression disc 3, when the repair compression disc 3 descends, the lifting disc 13 is driven to descend by the transmission assembly, the lifting disc 13 is separated from the main sleeve 5, when the induction ring 7 is completely coincided with the edge of the shaping valve disc 6, the sensor 8 transmits a signal to the driving mechanism 10, the driving mechanism 10 controls the fixed support plate 11 to retract, at this time, the main sleeve 5 moves downwards in the inside of the sleeve shell 4, and one time of correction is completed, then the repair compression disc 3 starts to ascend, when the repair compression disc 3 ascends, the lifting disc 13 is driven to ascend by the transmission assembly, the lifting disc 13 pushes the main sleeve 5 to the initial position, at this time, the fixed support plate 11 extends to support the main sleeve 5, when the repair compression disc 3 descends again, if the shaping valve disc 6 rebounds, the shaping and repairing operation is performed again, if the shaping valve disc 6 does not rebound, at this time, the lifting disc 13 starts to descend along with the descending of the repair compression disc 3, because the induction ring 7 is still completely coincided with the edge of the shaping valve disc 6, at this time, the fixed support plate 11 retracts, the main sleeve 5 descends together with the lifting disc 13, the shaping and repairing is completed, which is favorable for correcting the shaping valve disc 6, and effectively avoids the rebound of the shaping valve disc 6 after the shaping and repairing, the device realizes the accurate identification and automatic secondary repairing of the rebound of the shaping valve disc 6 after the shaping, the rebound deviation problem of the shaping precision caused by the rebound is eliminated from the process level, and then the stability of the valve core sealing performance is ensured, the buffer disc 14 and the buffer spring 15 can also buffer and protect the main sleeve 5, effectively absorb the impact load in the shaping process, protect the structural integrity of the core transmission components of the device, avoid the secondary damage of the shaping valve disc 6 due to the impact, greatly reduce the scrap rate of the deformed valve disc, and reduce the process cost and time cost of manual shaping and repairing, and improve the economy and reliability of the shaping and repairing process of the shaping valve disc 6.

[0036] The accurate identification of the valve disc rebound is realized by the cooperation of the induction ring 7 and the sensor 8, and the automatic secondary repairing is completed by relying on the mechanical linkage, the stability of the valve disc shaping precision and the valve sealing performance is ensured from the process level, the elastic buffer structure composed of the buffer disc 14 and the buffer spring 15 can effectively absorb the impact load in the shaping process, which protects the structural integrity of the core transmission components of the device, and avoids the secondary damage of the valve disc due to the impact, the device links all components by the lifting action of the repair compression disc 3 to complete the automatic process, greatly reduces the manual intervention and the dependence on the experience of operators, and significantly reduces the scrap rate of the deformed valve disc and the process and time cost of manual repairing, the cooperation of multiple structures also ensures the positioning stability of the valve disc during shaping, avoids the displacement deviation affecting the repairing effect, and the automatic and adaptive shaping mode further improves the production efficiency and product qualification rate, and the simple mechanical linkage design also reduces the equipment failure probability and prolongs the service life.

[0037] The technical scope of the present application is not limited to the above description, and those skilled in the art can make various modifications and changes to the above embodiments without departing from the technical idea of the present application, and these modifications and changes should all belong to the protection scope of the present application.

Claims

1. An adaptive tooling for valve cusp reshaping repair, characterized by, Include: The valve trim shaping repair tool, the top fixed connection has the repair press, the output end fixed connection has the repair press type disc, the bottom fixed connection has the sleeve shell, the inside of sleeve shell is provided with main body sleeve, the inside of main body sleeve is engaged with the shaping valve, the edge of the sensing ring is surrounded, the outside of the sensing ring is fixedly connected with the sensor, the bottom of the sensor is fixedly connected with the connecting cable, the bottom of the connecting cable is fixedly connected with the driving mechanism, the output end of the driving mechanism is fixedly connected with the fixed support plate, the bottom of the driving mechanism is fixedly connected with the synchronous cable, the bottom of the main body sleeve is provided with lifting disc, the bottom of the lifting disc is provided with transmission assembly.

2. The adaptive tooling for valve cusp reshaping repair of claim 1, wherein: The vertical central axis of the repair press type disc coincides with the vertical central axis of the main body sleeve, and the bottom of the repair press type disc is attached to the top of the shaping valve.

3. The adaptive tooling for valve cusp reshaping repair of claim 1, wherein: The groove opened in the main body sleeve is the same size as the standard size of the shaping valve, and the inner ring of the sensing ring is the same size as the standard size of the outer wall of the shaping valve.

4. The adaptive tooling for valve cusp reshaping repair of claim 1, wherein: The driving mechanism is arranged at equal angles about the vertical central axis of the sleeve shell, and the edge of the fixed support plate is arc-shaped.

5. The adaptive tooling for valve cusp reshaping repair of claim 1, wherein: The bottom of the fixed support plate is provided with a buffer disc, the top of the buffer disc is fixedly connected with a buffer spring, and the buffer spring is fixedly connected with the sleeve shell.

6. The adaptive tooling for valve cusp reshaping repair of claim 1, wherein: The transmission assembly includes a U-shaped frame, the U-shaped frame is fixedly connected with the lifting disc, the inside of the U-shaped frame is threadedly connected with a frame threaded rod, the top of the frame threaded rod is rotatably connected with a threaded rod rotating shaft, the top of the threaded rod rotating shaft is fixedly connected with a fixed frame, and the bottom of the frame threaded rod is fixedly connected with a first gear.

7. The adaptive tooling for valve cusp reshaping repair of claim 6, wherein: The fixed frame is fixedly connected with the sleeve shell, and the first gear is rotatably connected with the sleeve shell.

8. The adaptive tooling for valve cusp reshaping repair of claim 7, wherein: The edge of the first gear is engaged with a second gear, the top of the second gear is fixedly connected with a rotating rod, the top of the rotating rod is rotatably connected with a fixed block, a driving thread is formed in the outer wall of the rotating rod, an movable ball is slidably connected to the edge of the driving thread, and the movable ball is fixedly connected to the inside of the connecting plate.

9. The adaptive tooling for valve cusp reshaping repair of claim 8, wherein: The second gear is rotatably connected with the sleeve shell, the fixed block is fixedly connected with the repair press, and the connecting plate is fixedly connected with the repair press type disc.

10. The adaptive tooling for valve cusp reshaping repair of claim 8, wherein: The movable ball is arranged at equal angles about the vertical central axis of the rotating rod, and the movable ball and the driving thread have a one-to-one correspondence.

Images