1. The utility model provides a production of valve sealing face is with multi-angle grinding device, includes shell (1), its characterized in that: the device is characterized in that a clamping groove (2) is formed in the inner wall of the middle of the shell (1), a rotating shaft (3) is movably connected to the inner wall of the middle of the shell (1), a non-magnetic conductive plate (4) is fixedly connected to the inner wall of the middle of the rotating shaft (3), a connecting rod (5) is fixedly connected to the outer side of the rotating shaft (3), an electromagnet (6) is fixedly connected to the inner wall of the middle of the rotating shaft (3), a clamping block (11) is movably connected to the inner wall of the middle of the rotating shaft (3), electrorheological fluid (9) is movably connected to the inner wall of the middle of the rotating shaft (3), a conductive column (10) is fixedly connected to the outer side of the clamping block (11), a magnetic block (7) is fixedly connected to the inner wall of the middle of the clamping block (11), a reset spring (8) is fixedly connected to the inner wall of the middle of the shell (1), a stationary contact (12) is fixedly connected to the inner wall of the middle of the shell (1), a piezoresistor (14) is fixedly connected to the inner wall of the middle of the shell (1), and a negative plate (15) is fixedly connected to the inner wall of the middle of the shell (1), the inner wall of the middle part of the shell (1) is movably connected with a trigger rod (17), the outer side of the trigger rod (17) is fixedly connected with a ball (16), the inner wall of the middle part of the trigger rod (17) is fixedly connected with a dielectric plate (18), the left side of the trigger rod (17) is fixedly connected with a movable contact (13), and the inner wall of the middle part of the shell (1) is fixedly connected with a positive plate (19).

2. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the right side of the shell (1) is provided with a movable groove matched with the trigger rod (17), and the bottom of the shell (1) is provided with a limit groove.

3. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the middle part of the rotating shaft (3) is provided with a movable groove matched with the clamping block (11), and the inner wall of the movable groove is fixedly connected with a sealing plug.

4. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the outer side of the connecting rod (5) is fixedly connected with a grinding device, and the size of the connecting rod (5) is smaller than that of the rotating shaft (3).

5. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the size of the electromagnet (6) is smaller than that of the special rotating shaft (3), and the magnetism of the outer side of the electromagnet (6) is opposite to that of the inner side of the magnetic block (7).

6. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the inner side of the return spring (8) is fixedly connected with the inner wall of the rotating shaft (3), and the size of the return spring (8) is smaller than that of the clamping block (11).

7. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the electrorheological fluid (9) is composed of solid particles with high dielectric constant and silicone oil with low dielectric constant, and the electrorheological fluid (9) is directly contacted with the outer side of the conductive column (10).

8. The multi-angle grinding device for producing the valve sealing surface of claim 1, wherein: the inner side of the ball (16) is fixedly connected with a spring, and the middle part of the trigger rod (17) is provided with a groove matched with the ball (16).

Background

The valve is by extensive application in the life, all relate to in fields such as industry, agriculture and life, the variety of valve is various, more common have ball valve, triangle valve, stop valve etc. wherein the ball valve application is more general, and the case is installed in the valve body as an important part of ball valve, plays the effect of control liquid flow, in the course of working of case, in order to prevent that the sealed face of case from leaking when the stop work, need polish the sealed face of case, ensures that its sealed face is smooth.

At present use abrasive grain stream to polish to the case usually, but the in-process abrasive grain of polishing can form some pits at the valve core sealed face, the laminating precision of its sealed face and disk seat is lower, because the head of polishing is fixed, can only polish fixed angle's position, other positions can not with polish the fine subsides of dish with, the burr can't be polished, need the artifical continuous position of dismantling the head of polishing to those different angle's the face of polishing, realize accurate polishing, the efficiency of polishing has seriously been influenced.

Therefore, we propose a multi-angle grinding device for valve sealing surface production to solve the above problems.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the multi-angle grinding device for producing the sealing surface of the valve, which has the advantages of simple operation and multi-angle adjustment by avoiding disassembly, and solves the problem that the grinding head needs to be disassembled manually and continuously to adjust the position of the grinding head for the grinding surfaces with different angles so as to realize accurate grinding.

(II) technical scheme

In order to realize the purposes of simple operation and multi-angle adjustment without disassembly, the invention provides the following technical scheme: a multi-angle polishing device for valve sealing surface production comprises a shell, wherein a clamping groove is formed in the inner wall of the middle of the shell, a rotating shaft is movably connected to the inner wall of the middle of the shell, a non-magnetic conductive plate is fixedly connected to the inner wall of the middle of the rotating shaft, a connecting rod is fixedly connected to the outer side of the rotating shaft, an electromagnet is fixedly connected to the inner wall of the middle of the rotating shaft, a clamping block is movably connected to the inner wall of the middle of the rotating shaft, electrorheological fluid is movably connected to the inner wall of the middle of the rotating shaft, a conductive post is fixedly connected to the outer side of the clamping block, a magnetic block is fixedly connected to the inner side of the clamping block, a reset spring is fixedly connected to the inner wall of the middle of the shell, a, the left side of the trigger bar is fixedly connected with a movable contact, and the inner wall of the middle part of the shell is fixedly connected with a positive plate.

Preferably, the right side of the shell is provided with a movable groove matched with the trigger rod, the bottom of the shell is provided with a limiting groove, and the trigger rod moves through the movable groove to drive the dielectric plate to move, so that the relative area of the positive plate and the negative plate is changed.

Preferably, the middle part of the rotating shaft is provided with a movable groove matched with the clamping block, the inner wall of the movable groove is fixedly connected with a sealing plug, the clamping block moves outwards through the movable groove to clamp the clamping block and the clamping groove, and the sealing plug is used for preventing the electrorheological fluid from leaking during extrusion.

Preferably, the connecting rod outside fixedly connected with grinding device and the size of connecting rod are less than the size of pivot, come to carry out angle modulation to grinding device through adjusting the connecting rod to realize multi-angle regulation.

Preferably, the size of the electromagnet is smaller than that of the special rotating shaft, the magnetism of the outer side of the electromagnet is opposite to that of the inner side of the magnetic block, the electromagnet is electrified to generate a magnetic field, and the magnetic blocks generate mutually repulsive magnetic force under the action of the magnetic field, so that the clamping block is driven to move outwards.

Preferably, the inner side of the return spring is fixedly connected with the inner wall of the rotating shaft, the size of the return spring is smaller than that of the fixture block, and the return spring mainly plays a role in returning the fixture block after repulsive force borne by the magnetic block disappears after the fixture block is stretched.

Preferably, the electrorheological fluid is composed of solid particles with high dielectric constant and silicone oil with low dielectric constant, the electrorheological fluid is directly contacted with the outer side of the conductive column, and the electrorheological fluid is changed into a solid state from liquid after being electrified, so that the clamping of the clamping block and the clamping groove is more stable when the position of the clamping block is limited.

Preferably, the inner side of the ball is fixedly connected with a spring, the middle of the trigger rod is provided with a groove matched with the ball, when the trigger rod moves leftwards under the pushing of external force, the ball contracts inwards the groove under the action of the spring, and when the rolling trigger rod completely supports against the groove, the ball is clamped with the groove, so that the movable contact and the fixed contact are completely attached.

(III) advantageous effects

Compared with the prior art, the invention provides a multi-angle grinding device for producing a valve sealing surface, which has the following beneficial effects:

1. this multi-angle grinding device is used in production of valve sealing face, drive the motion of dielectric plate through the trigger lever, the dielectric plate drives the positive plate, the negative plate operation, rethread ball uses with piezo-resistor's cooperation, thereby reach control electromagnet and lead the effect that electrical pillar switched on the outage, the trigger lever advances to the side left along the activity inslot wall, relative displacement takes place for the dielectric plate this moment, the relative area of positive plate and negative plate reduces gradually, the voltage between the two polar plates reduces gradually this moment, reach piezo-resistor's minimum path voltage this moment, the electromagnet circular telegram produces magnetic field, static contact and the circular telegram of leading electrical pillar of movable contact point contact.

2. This multi-angle grinding device is used in production of valve sealing face drives the magnetic path operation through the electromagnet, and the magnetic path drives the fixture block motion, and the rethread draw-in groove uses with the cooperation of electrorheological fluids to reach angle modulation's effect, the electromagnet outage, the effort that the fixture block received disappears, and electrorheological fluids is changed into liquid by solid-state, and fixture block and draw-in groove inner wall break away from, pull back the initial position with the fixture block under reset spring's effect, thereby rotate the pivot and come angle regulation.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a partially enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a partially enlarged view of the portion B shown in FIG. 1 according to the present invention;

fig. 4 is a schematic structural view illustrating outward movement of the latch of fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a card slot; 3. a rotating shaft; 4. a non-magnetic conductive plate; 5. a connecting rod; 6. an electromagnet; 7. a magnetic block; 8. a return spring; 9. electrorheological fluid; 10. a conductive post; 11. a clamping block; 12. a stationary contact; 13. a movable contact; 14. a voltage dependent resistor; 15. a negative plate; 16. a ball bearing; 17. a trigger lever; 18. A dielectric plate; 19. and a positive plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a multi-angle polishing device for valve sealing surface production comprises a housing 1, a movable groove adapted to a trigger rod 17 is formed in the right side of the housing 1, a limiting groove is formed in the bottom of the housing 1, the trigger rod 17 moves through the movable groove to drive a dielectric plate 18 to move, so as to change the relative area of a positive plate 19 and a negative plate 15, a clamping groove 2 is formed in the inner wall of the middle of the housing 1, a rotating shaft 3 is movably connected to the inner wall of the middle of the housing 1, a movable groove adapted to a clamping block 11 is formed in the middle of the rotating shaft 3, a sealing plug is fixedly connected to the inner wall of the movable groove, the clamping block 11 is clamped to the clamping groove 2 by the outward movement of the movable groove, the sealing plug is used for preventing leakage of electrorheological fluid 9 during extrusion, a non-magnetic plate 4 is fixedly connected to the inner wall of the middle of the rotating shaft 3, a connecting rod 5 is fixedly connected to the outer side of the rotating shaft 3, the outer side of the connecting rod 5 is fixedly connected with a grinding device, the size of the connecting rod 5 is smaller than that of the rotating shaft 3, the grinding device is subjected to angle adjustment by adjusting the connecting rod 5, so that multi-angle adjustment is realized, the inner wall of the middle part of the rotating shaft 3 is fixedly connected with an electromagnet 6, the size of the electromagnet 6 is smaller than that of the special rotating shaft 3, the magnetism of the outer side of the electromagnet 6 is opposite to that of the inner side of a magnetic block 7, the electromagnet 6 is electrified to generate a magnetic field, at the moment, the magnetic block 7 is subjected to magnetic field acting force to generate mutually repulsive magnetic force to drive a clamping block 11 to move outwards, and the inner wall of the middle part of the rotating shaft 3 is movably connected with the clamping block 11;

the inner wall of the middle part of the rotating shaft 3 is movably connected with an electrorheological fluid 9, the electrorheological fluid 9 is composed of solid particles with high dielectric constant and silicone oil with low dielectric constant, the electrorheological fluid 9 is directly contacted with the outer side of the conductive post 10, the electrorheological fluid 9 is changed from liquid to solid after being electrified, so that the clamping of the clamping block 11 and the clamping groove 2 is more stable when the position of the clamping block 11 is limited, the outer side of the clamping block 11 is fixedly connected with the conductive post 10, the inner wall of the middle part of the clamping block 11 is fixedly connected with a magnetic block 7, the inner side of the clamping block 11 is fixedly connected with a return spring 8, the inner side of the return spring 8 is fixedly connected with the inner wall of the rotating shaft 3, the size of the return spring 8 is smaller than that of the clamping block 11, the return spring 8 mainly plays a role of returning the clamping block 11 after the clamping block 11 is stretched, the repulsive force received by the magnetic block 7 disappears, the inner wall of the middle part of the shell 1 is fixedly connected with a static contact 12, the inner wall of the middle part of the shell 1 is fixedly connected with a piezoresistor 14, shell 1 middle part inner wall fixedly connected with negative plate 15, shell 1 middle part inner wall swing joint has trigger bar 17, trigger bar 17 outside fixedly connected with ball 16, the groove with 16 looks adaptations is seted up at the inboard fixedly connected with spring of ball 16 and trigger bar 17 middle part, when trigger bar 17 moves to the left side under the promotion of external force, ball 16 contracts to the inslot under the effect of spring, when rolling trigger bar 17 and completely resisting the pressure, ball 16 carries out the joint with the groove, make movable contact 13 laminate with stationary contact 12 completely, trigger bar 17 middle part inner wall fixedly connected with dielectric plate 18, trigger bar 17 left side fixedly connected with movable contact 13, shell 1 middle part inner wall fixedly connected with positive plate 19.

The working principle is as follows: the grinding device is adjusted to a set position at the moment of driving the rotating shaft 3 to rotate by adjusting the connecting rod 5, then the trigger rod 17 is pushed towards the left side along the inner wall of the movable groove, at the moment, the dielectric plate 18 is relatively displaced, the relative area of the positive plate 19 and the negative plate 15 is gradually reduced, at the moment, the voltage between the two plates is gradually reduced, at the moment, the minimum access voltage of the piezoresistor 14 is reached, the electromagnet 6 is electrified to generate a magnetic field, at the moment, the magnetic block 7 is subjected to the repulsive force of the magnetic field to drive the clamping block 11 to extrude outwards, the clamping block 11 is clamped with the clamping groove 2, at the moment, along with the gradual movement of the trigger rod 17, the movable contact 13 is gradually close to the fixed contact 12, when the movable contact 13 is completely contacted with the fixed contact 12, the ball 16 is clamped with the groove, the conductive column 10 is electrified, the electrorheological fluid 9 is changed from a liquid state to a solid state, and the clamping block 11 is fixed, thereby increasing the stability of the fixture block 11 and the clamping groove 2;

when the connecting rod 5 needs to be adjusted again, the trigger rod 17 is pulled out from the movable groove, the ball 16 is separated from the groove under the action of external force, the movable contact 13 is separated from the fixed contact 12, the conductive column 10 is powered off, the electrorheological fluid 9 is changed from a solid state to a liquid state, the electrorheological fluid moves outwards gradually along with the trigger rod 17, the dielectric plate 18 also moves, the relative area of the positive plate 19 and the negative plate 15 is gradually increased, the voltage between the two plates is gradually increased, the minimum path voltage of the piezoresistor 14 is exceeded, the electromagnet 6 is powered off, the acting force applied to the fixture block 11 disappears, the fixture block 11 is separated from the inner wall of the clamping groove 2, the fixture block 11 is pulled back to the initial position under the action of the reset spring 8, and the connecting rod 5 is rotated to adjust the angle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.