CN114670096A - Surface treatment processing device and processing method for V-shaped ball valve for electromechanical integration - Google Patents
Surface treatment processing device and processing method for V-shaped ball valve for electromechanical integration Download PDFInfo
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- CN114670096A CN114670096A CN202210415745.9A CN202210415745A CN114670096A CN 114670096 A CN114670096 A CN 114670096A CN 202210415745 A CN202210415745 A CN 202210415745A CN 114670096 A CN114670096 A CN 114670096A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/008—Machines comprising two or more tools or having several working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
- B24B21/18—Accessories
- B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention discloses a surface treatment processing device and a processing method for a V-shaped ball valve for mechanical and electrical integration, and mainly relates to the field of mechanical and electrical integration. The processing mechanism comprises a V-shaped edge processing mechanism, the V-shaped edge processing mechanism is arranged on a moving part of the z-axis driving mechanism and comprises a vertical grinding machine, a grinding head arranged on the grinding machine and a distance sensor, the distance sensor is used for measuring a numerical value between a V-shaped edge of a workpiece and the distance sensor before and after processing, and the distance sensor is in signal connection with a computer system; the computer system is in signal connection with the driving components of the driving mechanisms, and the computer control system controls the feeding amount and the machining amount of the driving mechanisms according to the numerical value of the V-shaped edge of the workpiece measured by the distance sensor. The invention has the beneficial effects that: the technical difficulty is solved, the precision is high, the shape of the workpiece is special, the distance sensor measures the outline and data of the workpiece which is not polished, and the production efficiency of the workpiece is improved.
Description
Technical Field
The invention relates to the field of mechanical and electrical integration, in particular to a V-shaped ball valve surface treatment processing device for mechanical and electrical integration and a processing method thereof.
Background
The ball valve is a flow regulation control valve, and a valve core of the ball valve is driven by a valve rod and rotates around the axis of the ball valve. The ball valve comprises a V-shaped ball valve, an O-shaped ball valve, a rectangular ball valve and the like, wherein the V-shaped ball valve has strong shearing force and is particularly suitable for media containing fibers, tiny solid particles, slurry and the like, the medium flow is linearly distributed by the V-shaped valve port, a user can conveniently adjust the flow, and the ball valve is widely applied to the industries of paper pulp, petrochemical industry, metallurgical light textile and the like. The V-shaped ball valve is suitable for a scene of being opened and closed rapidly by frequent operation, has small fluid resistance, simple structure, small relative volume, convenient maintenance and good sealing performance. And the V-shaped ball valve is not limited by the installation direction, the flow direction of the medium can be random, no vibration exists, and the noise is low.
Because the inside of the V-shaped ball valve is passed by the medium fluid, the surface processing of the V-shaped ball valve is mainly divided into the following three processing parts in order not to influence the flow rate of the medium fluid: the inner surface of the valve core, the outer surface of the valve core and the V-shaped port of the valve core.
For the machining of the inner surface of the valve core, the inner surface of the valve core flows through the medium, so that the surface roughness of the inner surface of the valve core is reduced as much as possible in a standard range during the machining, and the flow rate of the medium are prevented from being influenced; when the medium flowing through the inner surface of the valve element is viscous medium or granular medium, when the valve is fully opened, the medium collides with the inner surface of the valve element and may adhere to the inner surface, so that the smoothness and roughness of the inner surface of the valve element are required to reduce the adhesion of the medium during machining.
For the outer surface processing of the valve core, the outer surface of the valve core is in an irregular hemispherical shape, and when the V-shaped ball valve is closed and media are blocked from flowing, the outer surface of the valve core and a sealing ring inside the V-shaped ball valve are matched and sealed with each other, so that when the outer surface of the valve core is processed to improve the sealing performance of the V-shaped ball valve, the surface roughness of the outer surface of the valve core, especially the matching part of the outer surface of the valve core and the sealing ring, needs to be improved.
For the processing of the V-shaped opening of the valve core, the V-shaped ball valve has strong shearing force and is suitable for media containing fibers, tiny solid particles, slurry and the like, so the media are sheared between the valve port and the sealing ring of the V-shaped ball valve, in order to improve the durability of the V-shaped ball valve, the V-shaped surface of the valve port needs to be polished, the outer edge of the V-shaped surface of the valve port also needs to be polished, if the outer edge of the V-shaped surface is not polished, the outer edge of the V-shaped surface is abraded with the sealing ring for a long time, the sealing performance of the sealing ring is influenced, even the outer edge of the V-shaped surface is subjected to fatigue fracture, the media containing the fibers cannot be cut off, and the use is influenced, so that the loss is caused. The V-shaped valve port of the V-shaped ball valve enables the medium flow to be linearly distributed, namely the relative opening degree of the V-shaped ball valve is in a linear relation with the flow coefficient, and the flow rate is controlled by controlling the flow area between the V-shaped valve port of the valve core of the V-shaped ball valve and a pipeline. The flow change caused by the relative opening change is constant, so that the flow speed is controlled. Therefore, in order to avoid the influence on the flow velocity, the angle of the V-shaped notch is generally 60 ° and control accuracy is required in high-precision machining.
In conclusion, in order to improve the grinding precision of the V-shaped ball valve and the production rate, the clamping difficulty and the low automation degree exist in the grinding of the inner surface of the valve core in a grinding mode of the grinding machine, the grinding condition is judged by experience and then is measured, and the grinding efficiency and precision of the V-shaped ball valve are influenced. And the processing equipment of polishing through the manipulator is expensive and the technical difficulty is big, and the following drawback of current grinding device need exert the exact power to the work piece during the operation of polishing. If the force is too great, the product may be damaged and material wasted. If the applied pressure is too small, the production time is wasted, and certain control is required for precision guarantee, so that the ball valve core grinding device for the electromechanical integration is required.
Disclosure of Invention
The invention aims to provide a V-shaped ball valve surface treatment processing device for electromechanical integration and a processing method thereof.
In order to achieve the purpose, the invention is realized by the following technical scheme: comprises a frame body, a plurality of driving mechanisms arranged on the frame body, a fixed clamp, a processing mechanism and a computer control system; the plurality of driving mechanisms comprise a plurality of z-axis driving mechanisms and xy-axis driving mechanisms, the z-axis driving mechanisms are displaced along the z-axis direction, and the xy-axis driving mechanisms synchronously move along the x-axis direction and the y-axis direction; the fixed clamp is arranged on the movable part of the xy-axis driving mechanism and comprises a clamping jaw and a limiting seat, and the clamping jaw of the fixed clamp can fix a machined workpiece; the processing mechanism comprises a V-shaped edge processing mechanism, the V-shaped edge processing mechanism is arranged on a movable part of the z-axis driving mechanism and comprises a vertical grinding machine, a grinding head arranged on the grinding machine and a distance sensor, the distance sensor measures the numerical values between the V-shaped edge of the workpiece and the distance sensor before and after processing, and the distance sensor is in signal connection with a computer system; the computer system is in signal connection with the driving components of the driving mechanisms, and the computer control system controls the feeding amount and the machining amount of the driving mechanisms according to the numerical value of the V-shaped edge of the workpiece measured by the distance sensor.
The processing mechanism also comprises an outer circle processing mechanism arranged on the z-axis driving mechanism, and the outer circle processing mechanism comprises a polishing belt processing mechanism and a tension sensor; the polishing belt processing mechanism comprises a polishing motor, a polishing belt, a driving wheel connected with the polishing motor, a guide wheel and an adjusting wheel, wherein the adjusting wheel is connected with a tension adjusting assembly, and the tension adjusting assembly controls the tension of the polishing belt by controlling the height of the adjusting wheel; the tension adjusting device comprises an adjusting wheel, a computer system and a tension sensor, wherein the adjusting wheel is connected with the tension sensor, the tension sensor monitors the tension of a grinding belt, the tension sensor is in signal connection with the computer system, and the computer system controls a tension adjusting assembly to drive the adjusting wheel to move.
The processing mechanism also comprises an inner circle processing mechanism arranged at the top of the frame body, and the inner circle processing mechanism comprises a polishing driving assembly, a torque sensor and a hemispherical grinding head; the torque sensor measures the torque of the polishing head acting on a workpiece, and is in signal connection with the computer system.
The plurality of z-axis driving mechanisms are V-shaped edge z-axis driving mechanisms and excircle z-axis driving mechanisms; the V-shaped edge z-axis driving mechanism is arranged on the frame body and comprises a V-shaped edge driving motor, a ball screw transmission mechanism and a slide rail, the V-shaped edge z-axis driving mechanism drives the V-shaped edge processing mechanism to move along the z-axis direction, and the V-shaped edge driving motor is in signal connection with a computer control system; the excircle z-axis driving mechanism is arranged on the side wall of the frame body and comprises an excircle z-axis driving motor, a ball screw transmission mechanism and a guide rail, the excircle z-axis driving mechanism drives the excircle processing mechanism to move along the z-axis direction, and the excircle z-axis driving motor is in signal connection with a computer control system.
The xy-axis driving mechanism is an x-axis driving mechanism and a y-axis driving mechanism which are arranged on the frame body; the x-axis driving mechanism comprises an x-axis synchronous belt driving component, an x-axis guide component and a sliding plate; the y-axis driving mechanism is arranged on a sliding plate of the x-axis driving mechanism and comprises a y-axis driving assembly and a linear guide rail, and a sliding block of the linear guide rail is connected with a fixing clamp; and the x-axis driving assembly and the y-axis driving assembly are in signal connection with a computer control system.
The fixing clamp comprises an inner support limiting assembly and a pressing limiting assembly; the inner supporting limiting assembly comprises a plurality of clamping jaws and a limiting seat, and the limiting seat is matched with the outer circle of the ball valve base; a clamping jaw of the clamping device limits a workpiece to be polished in an inner supporting mode; the pressing limiting assembly comprises a limiting plate and a limiting plate driving assembly connected with the limiting plate, the bottom of the limiting plate is provided with a limiting groove, and the limiting groove is matched with the outer diameter of the top excircle of the workpiece; and when the piston rod of the limiting plate driving assembly contracts, the limiting plate is driven to compress the top of the workpiece.
The tension adjusting assembly comprises an adjusting seat, a movable rod hinged with the adjusting seat and an adjusting cylinder connected with the movable rod; the movable rod is provided with an adjusting wheel, and the adjusting wheel on the movable rod is driven to descend when the piston rod of the adjusting cylinder contracts.
S1: a workpiece to be polished is placed in a limiting seat of a fixed clamp, and the clamping jaw and the limiting plate limit the top and the bottom of the workpiece; s2: the computer system sends an instruction to control the xy-axis driving mechanism to drive the fixing clamp to be conveyed to a polishing belt of the outer circle machining mechanism, and the tension sensor measures tension data of the polishing belt and feeds the data back to the computer system; the computer system controls the feeding amount of the y-axis driving mechanism, and the tension adjusting component adjusts the tension of the grinding belt; s3: the xy-axis driving mechanism drives the fixing clamp to be conveyed to the inner circle machining mechanism, a grinding driving assembly of the inner circle machining mechanism drives the hemispherical grinding head to act on the inner surface of the workpiece, the measured data of the torque sensor is fed back to the computer system, and the computer system controls the feeding amount of the y-axis driving mechanism; s4: the xy-axis driving mechanism drives the fixing clamp to be conveyed to the V-shaped edge machining mechanism, the distance sensor measures the numerical value of the V-shaped edge of the workpiece and feeds the numerical value back to the computer system, and the computer system controls the polishing amount of the V-shaped edge machining mechanism.
Compared with the prior art, the invention has the beneficial effects that:
1. this device is through automated processing to V type ball valve surface treatment processing, and device actuating mechanism's precision is high, has the three direction of x axle, y axle, z axle and feeds, and actuating mechanism's stability is high simultaneously, and every actuating mechanism all has guider, improves the stability of displacement in-process to reduce the error that brings during processing.
2. The shape of firmly choosing for use with the work piece adaptation of mounting fixture clamping carries out the clamping to the work piece, and the cell body when having utilized the work piece assembly simultaneously presss from both sides and gets, does not influence the processing of three processing agency to the work piece moreover, and the error of processing has been reduced simultaneously to high stability.
3. The excircle processing mechanism automatically adjusts the tension between the grinding belt and the workpiece through the tension sensor, realizes the wrapping type processing of the V-shaped ball valve, improves the processing efficiency, and can also adapt to the radian change of the surface of the workpiece through the tension sensor, thereby realizing automatic processing.
4. The internal circle machining mechanism is high in grinding speed and small in measurement error caused by the influence of vibration of the torsion sensor, the feeding amount of the grinding device is controlled through the torsion sensor, and the grinding degree of the workpiece is judged by measuring the influence of the acting force of the grinding head and the workpiece on the rotating speed of the grinding head.
5. The V-shaped edge processing mechanism solves the technical difficulty, is high in precision and special in workpiece shape, the distance sensor measures the outline and data of the workpiece which is not polished, the measurement precision is high, and whether the workpiece which is primarily processed is qualified or not can be detected, so that the production efficiency of the workpiece is improved.
Drawings
FIG. 1 is an overall view of the apparatus of the present invention.
Fig. 2 is an overall view of the apparatus of the present invention.
Fig. 3 is an overall view of the apparatus of the present invention.
Fig. 4 is a view of the holding fixture of the present invention.
Fig. 5 is an internal view of the holding jig of the present invention.
FIG. 6 is a view of the outer circle machining mechanism of the present invention.
Fig. 7 is a view of an internal machining mechanism in the present invention.
FIG. 8 is a view of a V-shaped edge processing mechanism according to the present invention.
Figure 9 is a V-ball valve of the present invention.
Reference numerals shown in the drawings:
1. a frame body; 2. a clamping jaw; 3. a limiting seat; 4. a vertical sander; 5. polishing head; 6. a distance sensor; 7. a tension sensor; 8. polishing the motor; 9. a drive wheel; 10. a guide wheel; 11. an adjustment wheel; 12. a torque sensor; 13. a hemispherical grinding head; 14. a V-shaped edge z-axis driving mechanism; 15. an excircle z-axis driving mechanism; 16. a limiting plate; 17. a limiting groove; 18. an adjusting seat; 19. a movable rod; 20. adjusting the cylinder; 21. a servo motor; 22. a sliding plate; 23. a synchronous pulley; 24. a guide shaft; 25. a linear guide rail; 26. a linear motor; 27. a stepping motor; 28. a housing; 29. a support column; 30. a movable plate; 31. a first jaw securing plate; 32. a second jaw securing plate; 33. a spring guide post; 34. a limiting column; 35. a driving cylinder; 36. a limiting block; 37. a wire track; 38. a rotating shaft; 39. a connecting shaft of the regulating wheel; 40. an elastic coupling; 41. a chuck; 42. a stepper motor (with brake); 43. a trough body; 44. a V-shaped ball valve; 45. a synchronous belt; 46. a limiting cylinder; 47. the belt is polished.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
The invention relates to a surface treatment processing device and a processing method of a V-shaped ball valve for mechatronics, which are mainly used for processing the V-shaped ball valve 44, and firstly, the V-shaped ball valve 44 of a workpiece is analyzed, and the V-shaped ball valve 44 is connected with a switch, so that grooves 43 are arranged in the excircle of two ends of the V-shaped ball valve 44, and can be clamped and fixed according to the grooves 43. As shown in the attached figure 9 of the specification, the processing of the V-shaped ball valve 44 is divided into three points: the outer surface of the V-shaped ball valve 44, the inner surface of the V-shaped ball valve 44, and the V-shaped edge of the V-shaped ball valve 44. The shape of the V-shaped ball valve 44 is an irregular hemisphere, and the outer contour of the outer circle surface needs to be polished to improve the sealing performance between the outer surface of the V-shaped ball valve 44 and the sealing ring, hereinafter, the outer contour of the V-shaped ball valve 44 is processed by the polishing belt 47, and the polishing belt 47 and the outer contour of the V-shaped ball valve 44 are controlled to keep tensioned, so that the outer contour of the V-shaped ball valve 44 is polished.
The inner surface of the V-shaped ball valve 44 is a concave hemisphere, the inner surface of the V-shaped ball valve 44 is a medium flowing through, and in order to avoid the need of extending the polishing head 5 into the inner surface of the V-shaped ball valve 44 to perform machining and polishing when the medium is attached to the inner surface to improve the roughness of the inner surface of the V-shaped ball valve 44, the inner surface of the V-shaped ball valve 44 is polished by using the hemisphere polishing head 13 adapted to the inner diameter of the inner surface of the V-shaped ball valve 44.
As shown in FIG. 9 of the drawings, since the V-shaped edge of the V-shaped ball valve 44 is mainly in a V-shape, the angle of the V-shaped notch is 60 degrees, the grinding accuracy of the angle of the V-shaped notch is required to be 0.12 to 0.04 μm, and the grinding allowance is 0.5 to 1mm, the grinding amount of the V-shaped notch by the grinding device which requires precise control of the accuracy for the V-shaped notch processing is said. In order to solve the problems, the processing is carried out by the following devices: as shown in the attached figure 1 of the specification, the device comprises a frame body 1, a driving mechanism, a fixing clamp, a machining mechanism and a computer control system;
a driving mechanism:
as shown in fig. 1-3 of the attached drawings, a frame body 1 is arranged on the ground, and the frame body 1 is divided into a horizontal part and a vertical part. A plurality of actuating mechanism includes that a plurality of z axle actuating mechanism and setting are following to be specific structure at the xy axle actuating mechanism of 1 horizontal part of support body:
the xy-axis driving mechanism is an x-axis driving mechanism and a y-axis driving mechanism which are arranged on the frame body 1; as shown in fig. 1 and fig. 2 of the attached drawings of the specification, the x-axis synchronous belt 45 driving component is a servo motor 21, screw rod transmission mechanisms arranged on two sides of the frame body 1, and a sliding plate 22, two synchronous belt 45 wheels 23 are connected to a main shaft of the servo motor 21, and the sliding plate 22 arranged on the screw rod transmission mechanisms on two sides of the frame body 1 is driven to move along the x-axis by the synchronous belt 45. The guide shafts 24 are arranged on the upper side and the lower side of the screw rod transmission mechanism, and the guide shafts 24 are arranged for assisting in order to improve the stability and the transmission precision of the transmission of the x-axis driving mechanism because the stroke of the x-axis driving mechanism is large.
A y-axis driving mechanism is arranged on the sliding plate 22, so that the y-axis driving mechanism is driven by the x-axis driving mechanism to displace, the y-axis driving mechanism comprises a y-axis driving component and a linear guide rail 25, and a fixed clamp is connected to a sliding block of the linear guide rail 25; the y-axis driving component is a linear motor 26 driving a screw rod transmission mechanism and driving the fixed clamp to slide along the slide block of the linear guide rail 25.
The x-axis selection servo motor 21 and the y-axis selection linear motor 26 are mainly used under the conditions of high precision, high speed and large load because the x-axis stroke is large and the precision in the process of moving needs to be ensured. The linear motor 26 is selected because the Y-axis stroke is small and a certain accuracy is required.
The plurality of z-axis driving mechanisms are V-shaped edge z-axis driving mechanisms 14 and excircle z-axis driving mechanisms 15; as shown in fig. 1-3 of the attached drawings of the specification, the V-shaped side z-axis driving mechanism 14 is disposed on the frame body 1, and the V-shaped side z-axis driving mechanism 14 includes a V-shaped side driving motor, a ball screw transmission mechanism, and a slide rail; the V-shaped edge driving motor is a stepping motor 27, a main shaft of the stepping motor 27 is connected with a lead screw of the ball screw transmission mechanism, and the V-shaped edge processing mechanism is driven to move along the z-axis direction through the rotation of the V-shaped edge driving motor.
The excircle z-axis driving mechanism 15 is arranged on the side wall of the frame body 1, the excircle z-axis driving mechanism 15 comprises an excircle z-axis driving motor, a ball screw transmission mechanism and a guide rail, the excircle z-axis driving machine is also a stepping motor 27, a main shaft of the stepping motor 27 is connected with a screw of the ball screw transmission mechanism, and the excircle z-axis driving machine rotates to drive the excircle processing mechanism to displace along the z-axis direction.
The stepping motor 27 is selected for the z-axis driving mechanism because the whole processing process is a gradual progress process, which is not continuous and uninterrupted, the processing device on the z-axis driving mechanism needs time to process, and the precision of the stepping motor 27 can completely meet the precision requirement for the whole processing process.
Fixing a clamp:
as shown in fig. 2 of the attached drawings, the fixing clamp is arranged on a moving part of the xy-axis driving mechanism, namely, a sliding block of the y-axis linear guide rail 25, and a V-shaped ball valve 44 on the fixing clamp is driven to move through the xy-axis transmission mechanism. The fixing clamp comprises a shell 28, an inner supporting limiting assembly inside the shell 28 and a pressing limiting assembly at the top of the shell 28;
as shown in the attached drawing fig. 4 in the specification, the internal supporting and limiting assembly comprises a plurality of clamping jaws 2 and a limiting seat 3, and the size of the limiting seat 3 is matched with the outer circle of the ball valve base, so that the V-shaped ball valve 44 is placed in the limiting seat 3, and the V-shaped ball valve 44 is limited; the shell 28 comprises a clamping jaw 2, a limiting seat 3, a movable part and a control part; a plurality of support columns 29 are arranged inside the shell 28, and the support columns 29 are connected with the limiting seat 3.
As shown in fig. 5, the movable portion includes a linear rail 37, a movable plate 30 rotatably connected to the linear rail 37, and a plurality of sliding blocks; it is a plurality of all be equipped with clamping jaw 2 fixed plate on the sliding block, a plurality of clamping jaw 2 fixed plates all are equipped with pivot 38, the 30 both ends of fly leaf are equipped with the spout, the spout cooperatees with the pivot 38 of clamping jaw 2 fixed plate, all be equipped with clamping jaw 2 on the clamping jaw 2 fixed plate. The clamping jaw 2 fixing plates comprise a first clamping jaw fixing plate 31 and a second clamping jaw 2 fixing plate, the first clamping jaw fixing plate 31 is fixedly connected with a spring guide post 33 and connected with the spring guide post 33 through a bolt, and the spring guide post 33 is connected with the second clamping jaw 2 fixing plate in a sliding fit mode, so that the spring guide post 33 can penetrate through an inner hole of the second clamping jaw 2 fixing plate.
As shown in fig. 5 of the attached drawings of the specification, the clamping jaw 2 fixing plates are all provided with limiting columns 34, the fixing clamp comprises a control part, the control part comprises a driving cylinder 35 and limiting blocks 36, the driving cylinder 35 is arranged on one side of the first clamping jaw fixing plate 31, and the limiting blocks 36 are arranged on one side of the second clamping jaw 2 fixing plate;
the piston rod of the driving cylinder 35 extends to act on the limiting column 34 of the first clamping jaw fixing plate 31, the first clamping jaw fixing plate 31 slides through the linear rail 37, the rotating shaft 38 in the first clamping jaw fixing plate 31 is matched with the groove of the movable plate 30, so that the movable plate 30 rotates, meanwhile, the groove at the other end of the movable plate 30 is matched with the groove of the second clamping jaw fixing plate 32, so that the second clamping jaw fixing plate 32 slides in the opposite direction, and the limiting column 34 of the second clamping jaw fixing plate 32 is in contact with the limiting block 36; while the first jaw securing plate 31 slides via the wire rail 37, the spring guide 33 slides out of the second jaw securing plate 32, and the spring on the spring guide 33 is compressed, causing the jaws 2 to contract inwardly. After the workpiece is placed into the limiting seat 3, when the driving cylinder 35 is retracted, the fixing plates of the two clamping jaws 2 are reset through the elastic force of the springs on the spring guide posts 33, so that the two clamping jaws 2 tightly clamp the grooves of the V-shaped ball valve 44, and the V-shaped ball valve 44 is fixed.
As shown in the attached drawing fig. 4 of the specification, the pressing limiting component is mainly used for limiting the top of the V-shaped ball valve 44 in a pressing mode, the pressing limiting component comprises a limiting plate 16 and a limiting plate 16 driving component connected with the limiting plate 16, a limiting groove 17 is formed in the bottom of the limiting plate 16, the limiting groove 17 is matched with the outer diameter of the top excircle of the workpiece, the driving component is a limiting cylinder 46, a piston rod of the limiting cylinder 46 is fixedly connected with the limiting plate 16, the piston rod of the limiting plate 16 driving component drives the limiting plate 16 to press the top of the workpiece, and when the piston rod of the limiting cylinder 46 extends, the limiting plate 16 releases limiting of the workpiece. Because the material of V type ball valve 44 generally is the metal, so say that spacing cylinder 46 drives limiting plate 16 and carry out spacingly to V type ball valve 44 when, can not lead to V type ball valve 44 overall structure's deformation, only in addition with V type ball valve 44 fixed firm back, just can process V type ball valve 44, the clamping insecure not only influences processingquality but also can damage grinding device's spare part and cause the loss.
After the V-shaped ball valve 44 is fixed by the fixing mechanism, the V-shaped ball valve 44 is processed as follows, and the main processing procedures are as follows: the outer surface of the V-shaped ball valve 44, the inner surface of the V-shaped ball valve 44, and the V-shaped edge of the V-shaped ball valve 44. The outer surface of the V-shaped ball 44 and the inner surface of the V-shaped ball 44 are machined in sequence, but the outer surface of the V-shaped ball 44 is machined first in consideration of machining efficiency, and since the machining mechanism distance of the outer surface of the V-shaped ball 44 is increased, stroke operation control is small. The factors required by the machining precision of the V-shaped edge of the V-shaped ball valve 44 need to be placed at the end, and the following are specific structures:
the excircle processing mechanism comprises:
as shown in the attached drawing fig. 1 of the specification, the processing mechanism further comprises an outer circle processing mechanism arranged on the z-axis driving mechanism, and the outer circle processing mechanism comprises a polishing belt 47 processing mechanism and a tension sensor 7;
as shown in the attached figure 6 of the specification, the processing mechanism of the grinding belt 47 comprises a grinding motor 8, a grinding belt 47, a driving wheel 9, a guide wheel 10 and an adjusting wheel 11; the grinding belt 47 is arranged on the driving wheel 9, the guide wheel 10 and the adjusting wheel 11, the guide wheel 10 is connected with a main shaft of the grinding motor 8, the grinding motor 8 is an asynchronous motor with a brake, and compared with other motors, the asynchronous motor with the brake is simple in structure, light in weight, low in cost, high in running efficiency when in high-speed and low-torque, and can be quickly stopped when in running, and the brake module is arranged, so that the rotating speed is conveniently controlled. Drive wheel 9 through asynchronous machine and rotate, polish and take 47 drive leading wheel 10 and the rotation of adjusting wheel 11 on the drive wheel 9, only polish and take 47 to have certain tensile force and just can carry out the transmission, and polish and take 47 tensioning rear surfaces to be a straight line, and the excircle of V type ball valve 44 is the pitch arc, adds man-hour looks adaptation not to V type ball valve 44 excircle, can't process V type ball valve 44 excircle, solves above-mentioned problem through following structure:
as shown in fig. 6 of the attached drawings of the specification, the adjusting wheel 11 is connected with a tension adjusting assembly, and the tension adjusting assembly is an adjusting seat 18, a movable rod 19 hinged with the adjusting seat 18, and an adjusting cylinder 20 connected with the movable rod 19; the movable rod 19 is provided with an adjusting wheel 11, when the piston rod of the adjusting cylinder 20 contracts, the movable rod 19 rotates in the adjusting seat 18 to drive the adjusting wheel 11 on the movable rod 19 to descend, the tension of the polishing belt 47 is reduced, the V-shaped ball valve 44 is in contact with the polishing belt 47 by controlling the xy-axis driving mechanism, the polishing belt 47 is kept tensioned again after being released, meanwhile, the contact area between the polishing belt 47 and the V-shaped ball valve 44 is increased, and the polishing belt 47 wraps the outer circle of the V-shaped ball valve 44. In order to accurately control the tension of the V-shaped ball valve 44 after contacting the polishing belt 47, the tension sensor 7 is connected to the connecting shaft 39 of the adjusting wheel 11, the tension sensor 7 monitors the tension of the polishing belt 47, the tension sensor 7 is an instrument for measuring the tension value in the tension control process, the tension of the polishing belt 47 mainly acts on the connecting shaft, the tension of the adjusting wheel 11 acted on the polishing belt 47 by the excircle of the V-shaped ball valve 44 is transmitted to the tension sensor 7, the tension sensor 7 is in signal connection with a computer system, and the computer system controls the tension adjusting assembly to drive the adjusting wheel 11 to move.
The xy-axis driving mechanism is controlled by the computer system to drive the distance between the V-shaped ball valve 44 and the polishing belt 47, the tension sensor 7 detects the tension of the polishing belt 47 and feeds the tension back to the computer system, and the air cylinder 20 is synchronously controlled and adjusted, so that the tension of the polishing belt 47 is adjusted. For example, the initial tension detected by the tension sensor 7 is 60N, and the set tension detected by the tension detector is 30N; the computer control system controls the xy-axis driving mechanism to drive the V-shaped ball valve 44 to be in contact with the polishing belt 47, the tension sensor 7 detects that the tension is increased, the computer control system controls the adjusting cylinder 20 to contract, and meanwhile the V-shaped ball valve 44 continues to feed along the x-axis direction until the set tension detected by the tension detector is reached. The inner circle of the V-shaped ball valve 44 is processed after the valve core of the V-shaped ball valve 44 is polished, and the following specific structure of the inner circle processing mechanism is as follows: .
An inner circle machining mechanism:
as shown in fig. 2 of the attached drawings of the specification, the processing mechanism further comprises an inner circle processing mechanism arranged at the top of the frame body 1, and the inner circle processing mechanism comprises a grinding driving assembly, a torque sensor 12 and a hemispherical grinding head 13; the grinding driving assembly is a stepping motor (with a brake) 42, and as shown in the attached figure 7 of the specification, a main shaft of the stepping motor (with the brake) 42 is sequentially connected with an elastic coupling 40, a torque sensor 12, the elastic coupling 40, a chuck 41 and a hemispherical grinding head 13.
The torque sensor 12 measures the torque of the hemispherical grinding head 13 acting on a workpiece, and the torque sensor 12 is in signal connection with a computer system. The torque sensor 12 measures the torque of the hemispherical grinding head 13, the torque sensor 12 is also called a torque sensor and is used for detecting the sensing of the torsional moment on various rotating or non-rotating mechanical parts, and the torque sensor 12 converts the physical change of the torsional force into an accurate electric signal. The torque is a special torque for rotating an object, and the torque measured by the torque sensor 12 refers to a torque difference value between the torque output by the main shaft of the stepping motor 27 and the hemispherical grinding head 13 and is in inverse proportion to the rotating speed. If the numerical value measured by the torque sensor 12 is smaller, the smaller the acting force between the hemispherical grinding head 13 and the V-shaped ball valve 44 is, otherwise, the larger the acting force is, the torque sensor 12 is in signal connection with a computer system, and the computer system controls the feeding amount of the x-axis driving mechanism according to the measured numerical value of the torque sensor 12, so that the acting force between the hemispherical grinding head 13 and the V-shaped ball valve 44 is controlled, the influence of the acting force between the hemispherical grinding head 13 and the workpiece on the rotating speed of the hemispherical grinding head 13 is measured, the grinding degree of the workpiece is judged, the processing time of the workpiece is saved, and the grinding efficiency and the grinding precision of the device are improved.
Because when polishing the V-shaped ball valve 44, the friction between the hemispherical grinding head 13 and the inner wall of the V-shaped ball valve 44 may generate slight vibration, in order to avoid the vibration from affecting the precision of the torque sensor 12, a plurality of elastic couplings 40 are provided for connecting the hemispherical grinding head 13 on the main shaft of the stepping motor 27, the torque sensor 12 and the chuck 41, and play roles in buffering, damping and improving the dynamic performance of a shaft system, thereby improving the stability and the measurement precision during polishing. Chuck 41 is used for dismantling fixed hemisphere bistrique 13, hemisphere bistrique 13's radius and V type ball valve 44 internal diameter looks adaptation for hemisphere bistrique 13 gets into V type ball valve 44 case when inside, polishes V type ball valve 44 case inner wall, and V type ball valve 44 case inner wall is polished and is processed the V type limit of V type ball valve 44 after accomplishing, and the following concrete structure that is V type limit processing agency: .
V type limit processing agency:
as shown in fig. 3 of the accompanying drawings of the specification, the processing mechanism includes a V-shaped edge processing mechanism, when a conventional processing mechanism processes a V-shape, due to the problem of accuracy, the processing difficulty is large, automated processing is lacked, if the processing accuracy requirement cannot be met, and the flow rate of a medium flowing through a V-shaped valve opening is greatly influenced in a linear distribution state, the flow rate change caused by the change of the relative opening degree of the V-shaped ball valve 44 is unstable, so that the accurate control of the flow rate cannot be achieved, and therefore, fine grinding is required during processing.
The V-shaped edge processing mechanism is arranged on a movable part of the V-shaped edge z-axis driving mechanism 14 and comprises a vertical grinding machine 4, a grinding head 5 arranged on the grinding machine and a distance sensor 6, wherein the vertical grinding machine 4 is an electric polishing grinding machine, the grinding head 5 is driven by a driving motor to rotate for grinding, and because the V-shaped edge processing precision of the V-shaped ball valve 44 requires surface roughness of 0.12-0.04 mu m to the angle grinding precision of a V-shaped notch and the grinding allowance is 0.5-1mm, the electric polishing grinding machine has the advantages of small volume, high rotating speed, good stability, almost no vibration, suitability for high-precision processing of the V-shaped edge of the V-shaped ball valve 44, and less vibration greatly reduces influence factors during processing.
As shown in fig. 1 and fig. 2 of the attached drawings, the distance sensor 6 is arranged on the frame body 1 and is located at the opposite side of the inner circle of the valve port of the V-shaped ball valve 44, and the distance sensor 6 is in signal connection with a computer system; it is convenient for the distance sensor 6 to measure the data information of the V-shaped side of the V-shaped ball valve 44, and the distance sensor 6 calculates the distance to the object by measuring the time interval from the emission to the reflection of the light pulse by the object by emitting the light pulse with a particularly short length. Therefore, the data of the whole V-shaped edge of the V-shaped ball valve 44 is uploaded to the computer system, and the computer system reads the data information of the V-shaped edge and controls the V-shaped edge processing mechanism to process the V-shaped ball valve 44.
Because the shape of the V-notch of the V-ball valve 44 is special, the y-axis driving mechanism and the x-axis driving mechanism need to be controlled by the computer control system to synchronously feed according to the shape of the V-notch during processing, and the grinding time of each point on the processing path is controlled according to the comparison between the data information measured by the distance sensor 6 and the standard data information of the V-ball valve 44 set by the computer system, so that the data of the V-notch on the path is measured, different processing times on the path are controlled, after the primary processing is completed, the distance sensor 6 measures whether the data information of the V-edge of the V-ball valve 44 meets the requirement of the processing precision, and thus, the production efficiency and the processing precision are improved.
A computer system:
the computer system comprises a programming system, a plc system and a computer module, is in signal connection with a driving assembly of the driving mechanism, controls the feeding amount and the processing amount of the x-axis driving system, the y-axis driving system and the two z-axis driving systems, is also in data connection with three sensors of the processing mechanism, and performs data programming control on the positions of the three processing mechanisms, so that automatic control of processing and automatic adjustment during processing are realized, secondary detection on finish machining point positions can be realized, the production flow is saved, and the processing efficiency is improved.
Of particular note are: the polishing belt 47 of the outer circle processing mechanism, the hemispherical grinding head 13 of the inner circle processing mechanism and the polishing head 5 of the V-shaped edge processing mechanism are selected according to the processing requirements of different parts, the granularity of the three parts is respectively 80D, 60D and 200D, and the surface of the V-shaped ball valve 44 is processed.
The using method is detailed as follows:
s1: a workpiece to be polished is placed in a limiting seat 3 of the fixed clamp, and the clamping jaw 2 and the limiting plate 16 limit the top and the bottom of the workpiece;
s2: the computer system sends out an instruction to control the xy-axis driving mechanism to drive the fixing clamp to be conveyed to a polishing belt 47 of the outer circle machining mechanism, and the tension sensor 7 measures tension data of the polishing belt 47 and feeds the data back to the computer system; the computer system controls the feed amount of the y-axis drive mechanism while the tension adjustment assembly adjusts the tension of the sanding belt 47;
s3: the xy-axis driving mechanism drives the fixing clamp to be transmitted to the inner circle machining mechanism, a grinding driving assembly of the inner circle machining mechanism drives the hemispherical grinding head 13 to act on the inner surface of a workpiece, the measured data of the torque sensor 12 is fed back to the computer system, and the computer system controls the feeding amount of the y-axis driving mechanism;
s4: the xy-axis driving mechanism drives the fixing clamp to be conveyed to the V-shaped edge processing mechanism, the distance sensor 6 measures the numerical value of the V-shaped edge of the workpiece and feeds the numerical value back to the computer system, the computer system controls the polishing amount of the V-shaped edge processing mechanism, and after the preliminary processing is finished, the distance sensor 6 measures whether the data information of the V-shaped edge of the V-shaped ball valve 44 meets the requirement of processing precision.
In conclusion, the surface of the V-shaped ball valve 44 is processed through automatic processing, the driving mechanism of the device is high in precision and has feeding in the x-axis direction, the y-axis direction and the z-axis direction, meanwhile, the driving mechanism is high in stability, each driving mechanism is provided with the guide device, the stability in the displacement process is improved, and therefore errors caused in the processing are reduced. The shape of firmly choosing for use with the work piece adaptation of mounting fixture clamping carries out the clamping to the work piece, and the cell body 43 when having utilized the work piece assembly simultaneously presss from both sides and gets, does not influence the processing of three processing agency to the work piece moreover, and the error of processing has been reduced simultaneously to high stability. The excircle processing mechanism automatically adjusts the tension between the grinding belt 47 and the workpiece through the tension sensor 7, realizes the wrapping type processing of the V-shaped ball valve 44, improves the processing efficiency, and can also adapt to the radian change of the surface of the workpiece through the tension sensor 7, thereby realizing automatic processing. The internal circle machining mechanism is high in grinding speed and small in measurement error caused by the influence of vibration on the torque sensor, the feeding amount of the grinding device is controlled through the torque sensor, and the grinding degree of the workpiece is judged by measuring the influence of the acting force of the grinding head 5 and the workpiece on the rotating speed of the grinding head 5. The V-shaped edge processing mechanism solves the technical difficulty, is high in precision and special in workpiece shape, the distance sensor 6 measures the outline and data of the workpiece which is not polished, the measurement precision is high, and whether the workpiece which is primarily processed is qualified or not can be detected, so that the production efficiency of the workpiece is improved.
Claims (8)
1. Electromechanical integration is with V type ball valve surface treatment processingequipment which characterized in that: comprises a frame body (1), a plurality of driving mechanisms arranged on the frame body (1), a fixed clamp, a processing mechanism and a computer control system;
the plurality of driving mechanisms comprise a plurality of z-axis driving mechanisms and xy-axis driving mechanisms, the z-axis driving mechanisms are displaced along the z-axis direction, and the xy-axis driving mechanisms synchronously move along the x-axis direction and the y-axis direction;
the fixed clamp is arranged on a moving part of the xy-axis driving mechanism and comprises a clamping jaw (2) and a limiting seat (3), and the clamping jaw (2) of the fixed clamp can fix a machined workpiece;
the machining mechanism comprises a V-shaped edge machining mechanism, the V-shaped edge machining mechanism is arranged on a moving part of a z-axis driving mechanism and comprises a vertical grinding machine (4), a grinding head (5) arranged on the grinding machine and a distance sensor (6), the distance sensor (6) measures numerical values between the V-shaped edge of a workpiece and the distance sensor (6) before and after machining, and the distance sensor (6) is in signal connection with a computer system;
the computer system is in signal connection with the driving components of the driving mechanisms, and the computer control system controls the feeding amount and the machining amount of the driving mechanisms according to the numerical value of the V-shaped edge of the workpiece measured by the distance sensor (6).
2. The surface treatment processing device for the V-shaped ball valve for mechatronics of claim 1, characterized in that: the processing mechanism also comprises an outer circle processing mechanism arranged on the z-axis driving mechanism, and the outer circle processing mechanism comprises a grinding belt (47) processing mechanism and a tension sensor (7);
the machining mechanism of the polishing belt (47) comprises a polishing motor (8), the polishing belt (47), a driving wheel (9) connected with the polishing motor (8), a guide wheel (10) and an adjusting wheel (11), wherein the adjusting wheel (11) is connected with a tension adjusting assembly, and the tension adjusting assembly controls the tension of the polishing belt (47) by controlling the height of the adjusting wheel (11);
the tension adjusting device is characterized in that a tension sensor (7) is connected with the adjusting wheel (11), the tension sensor (7) monitors the tension of the polishing belt (47), the tension sensor (7) is in signal connection with a computer system, and the computer system controls a tension adjusting assembly to drive the adjusting wheel (11) to move.
3. The surface treatment processing device for the mechatronic V-shaped ball valve according to claim 1 or 2, characterized in that: the machining mechanism further comprises an inner circle machining mechanism arranged at the top of the frame body (1), and the inner circle machining mechanism comprises a grinding driving assembly, a torque sensor and a hemispherical grinding head (13);
the torque sensor measures the torque of the polishing head (5) acting on a workpiece, and is in signal connection with the computer system.
4. The surface treatment machining device for the mechatronic V-shaped ball valve according to claim 1, characterized in that: the plurality of z-axis driving mechanisms are V-shaped edge z-axis driving mechanisms (14) and excircle z-axis driving mechanisms (15);
the V-shaped edge z-axis driving mechanism (14) is arranged on the frame body (1), the V-shaped edge z-axis driving mechanism (14) comprises a V-shaped edge driving motor, a ball screw transmission mechanism and a slide rail, the V-shaped edge z-axis driving mechanism (14) drives the V-shaped edge processing mechanism to move along the z-axis direction, and the V-shaped edge driving motor is in signal connection with a computer control system;
excircle z-axis actuating mechanism (15) sets up at support body (1) lateral wall, excircle z-axis actuating mechanism (15) include excircle z-axis driving motor, ball screw drive mechanism, guided way, excircle z-axis driving mechanism (15) drive excircle processing mechanism along the displacement of z-axis direction, excircle z-axis driving motor and computer control system signal connection.
5. The surface treatment processing device for the V-shaped ball valve for mechatronics of claim 1, characterized in that: the xy-axis driving mechanism is an x-axis driving mechanism and a y-axis driving mechanism which are arranged on the frame body (1);
the x-axis driving mechanism comprises an x-axis synchronous belt (45) driving component, an x-axis guide component and a sliding plate (22);
the y-axis driving mechanism is arranged on a sliding plate (22) of the x-axis driving mechanism and comprises a y-axis driving component and a linear guide rail (25), and a sliding block of the linear guide rail (25) is connected with a fixing clamp;
and the x-axis driving assembly and the y-axis driving assembly are in signal connection with a computer control system.
6. The surface treatment processing device for the V-shaped ball valve for mechatronics of claim 1, characterized in that: the fixing clamp comprises an inner support limiting assembly and a pressing limiting assembly;
the inner supporting and limiting assembly comprises a plurality of clamping jaws (2) and a limiting seat (3), and the limiting seat (3) is matched with the outer circle of the ball valve base; the clamping jaw (2) of the clamping device limits the workpiece to be polished in an internal supporting mode;
the pressing limiting assembly comprises a limiting plate (16) and a limiting plate (16) driving assembly connected with the limiting plate (16), a limiting groove (17) is formed in the bottom of the limiting plate (16), and the limiting groove (17) is matched with the outer diameter of the top excircle of the workpiece;
and when the piston rod of the limiting plate (16) driving assembly contracts, the limiting plate (16) is driven to compress the top of the workpiece.
7. The surface treatment machining device for the mechatronic V-shaped ball valve according to claim 2, characterized in that: the tension adjusting component comprises an adjusting seat (18), a movable rod (19) hinged with the adjusting seat (18) and an adjusting cylinder (20) connected with the movable rod (19);
the movable rod (19) is provided with an adjusting wheel (11), and the adjusting wheel (11) on the movable rod (19) is driven to descend when the piston rod of the adjusting cylinder (20) contracts.
8. The machining method of the surface treatment machining device for the mechatronic V-shaped ball valve according to the claim 1, the claim 2, the claim 3, the claim 4, the claim 5, the claim 6 or the claim 7, characterized in that:
s1: a workpiece to be polished is placed in a limiting seat (3) of the fixed clamp, and the clamping jaw (2) and the limiting plate (16) limit the top and the bottom of the workpiece;
s2: the computer system sends an instruction to control the xy-axis driving mechanism to drive the fixing clamp to be transmitted to a polishing belt (47) of the outer circle machining mechanism, and the tension sensor (7) measures tension data of the polishing belt (47) and feeds the data back to the computer system; the computer system controls the feed amount of the y-axis driving mechanism, and the tension adjusting component adjusts the tension of the grinding belt (47);
s3: the xy-axis driving mechanism drives the fixing clamp to be conveyed to the inner circle machining mechanism, a grinding driving assembly of the inner circle machining mechanism drives a hemispherical grinding head (13) to act on the inner surface of a workpiece, the measured data of the torque sensor (12) is fed back to a computer system, and the computer system controls the feeding amount of the y-axis driving mechanism;
s4: the xy-axis driving mechanism drives the fixing clamp to be conveyed to the V-shaped edge machining mechanism, the distance sensor (6) measures the numerical value of the V-shaped edge of the workpiece and feeds the numerical value back to the computer system, and the computer system controls the polishing amount of the V-shaped edge machining mechanism.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210415745.9A CN114670096A (en) | 2022-04-20 | 2022-04-20 | Surface treatment processing device and processing method for V-shaped ball valve for electromechanical integration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210415745.9A CN114670096A (en) | 2022-04-20 | 2022-04-20 | Surface treatment processing device and processing method for V-shaped ball valve for electromechanical integration |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103042438A (en) * | 2012-12-31 | 2013-04-17 | 天津大学 | Constant pressure ultrasonic wave aiding magnetorheological finishing method and constant pressure ultrasonic wave aiding magnetorheological finishing device |
| CN103769969A (en) * | 2014-02-11 | 2014-05-07 | 厦门理工学院 | Blocky stone full-automatic grinding and polishing machine and control method thereof |
| US20150258652A1 (en) * | 2014-03-17 | 2015-09-17 | Satisloh Ag | Device for Grinding, Precision-Grinding and/or Polishing of Workpieces in Optical Quality, Particularly of Spherical Lens Surfaces in Precision Optics |
| CN210335516U (en) * | 2019-06-27 | 2020-04-17 | 新乡航空工业(集团)有限公司 | Magnetic grinding device for machining ball valve core |
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2022
- 2022-04-20 CN CN202210415745.9A patent/CN114670096A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103042438A (en) * | 2012-12-31 | 2013-04-17 | 天津大学 | Constant pressure ultrasonic wave aiding magnetorheological finishing method and constant pressure ultrasonic wave aiding magnetorheological finishing device |
| CN103769969A (en) * | 2014-02-11 | 2014-05-07 | 厦门理工学院 | Blocky stone full-automatic grinding and polishing machine and control method thereof |
| US20150258652A1 (en) * | 2014-03-17 | 2015-09-17 | Satisloh Ag | Device for Grinding, Precision-Grinding and/or Polishing of Workpieces in Optical Quality, Particularly of Spherical Lens Surfaces in Precision Optics |
| CN104924178A (en) * | 2014-03-17 | 2015-09-23 | 萨特隆股份公司 | Device for Grinding, Precision-Grinding and/or Polishing of Workpieces in Optical Quality, Particularly of Spherical Lens Surfaces in Precision Optics |
| CN210335516U (en) * | 2019-06-27 | 2020-04-17 | 新乡航空工业(集团)有限公司 | Magnetic grinding device for machining ball valve core |
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