CN110524374B

CN110524374B - Utilize magnetism variable to carry out spacing anti-partially wide gas gate mouth grinder

Info

Publication number: CN110524374B
Application number: CN201910878718.3A
Authority: CN
Inventors: 刘鹏华
Original assignee: Zhejiang Guangcheng Industrial Co ltd
Current assignee: ZHEJIANG GUANGCHENG INDUSTRIAL Co.,Ltd.
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2021-05-25
Anticipated expiration: 2039-09-18
Also published as: CN110524374A

Abstract

The invention discloses a device for limiting and preventing a gas gate from deviating by utilizing magnetic variability. The invention adjusts the angle through the rotation of the supporting rod and the outer cover, the direction of the valve is the same with that of the valve guide pipe, meanwhile, the chamfer angle of the sealing ring pad is utilized to remove dust on the surface of the outer cover, the abrasion caused by the dust is prevented, then the push rod is pushed to enable the contact current of the positive contact and the electromagnet to be N-pole magnetic, the magnetic force is superposed and enhanced with the N-pole magnetic, the fixed anti-bias-width device is prevented from falling down, the magnetic conduction cover is utilized to attract the ferromagnetic ball to fix the adjusted supporting rod, the deflection in the grinding process is prevented, the bias-width phenomenon is prevented from influencing the grinding effect, after the grinding is finished, the negative contact and the electromagnet are connected to be in contact with the reverse current by the push rod, the S-pole magnetic property is obtained, the magnetic force is mutually counteracted with the N-.

Description

Utilize magnetism variable to carry out spacing anti-partially wide gas gate mouth grinder

Technical Field

The invention relates to the field of valve grinding, in particular to a grinding device for limiting and preventing an eccentric wide valve opening by utilizing magnetic variability.

Background

The air valve is in under the operating condition of high temperature, high impact for a long time, can appear defect such as spot, sunken to make the air valve gas leakage cause the jar to press inadequately, influence the start-up etc. of engine, consequently adjust the air valve to slight wearing and tearing, grind through the valve grinder at present, resume its gas tightness, current conventional art considers not comprehensive, has following drawback:

the machine of grinding utilizes artifical supplementary strong magnetism to fix a position, and the valve mouth is many to be with the level and has certain angle, the manual work needs to adjust its grinding angle in real time when grinding, make it keep parallel with valve guide direction, otherwise wear and tear the valve guide easily, and grind the machine and receive the effect of its own gravity, can fall to the low side partially, lead to valve seat and valve to appear slightly wide easily, concave phenomenon, thereby influence the gas tightness that the valve used, and grind the machine work and accomplish the back because the strong suction effect of strong magnetism takes off comparatively difficultly.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a device for limiting and preventing the grinding of an air door opening with variable magnetism, which aims to solve the problems that the grinding machine in the prior art is positioned by manually assisted strong magnetism, the air door opening is mostly in a certain angle with the horizontal plane, the grinding angle needs to be adjusted manually in real time during grinding to keep the air door opening parallel to the direction of an air valve guide pipe, otherwise the air valve guide pipe is easily worn, the grinding machine is inclined to the lower plane under the action of the gravity of the grinding machine, the air valve seat and the air valve are easily widened and concaved, the air tightness of the air valve is influenced, and the grinding machine is difficult to take down due to the strong attraction of the strong magnetism after work is finished.

In order to achieve the purpose, the invention is realized by the following technical scheme:

a device for limiting and preventing an eccentric width gas door port by utilizing magnetic variability structurally comprises a starter, a display, a controller, a height adjusting ring, an eccentric width preventing device, a working column and a rubber head, wherein the starter is connected with the controller, the display is mounted on the upper surface of the controller and is connected with the controller in a welding mode, the height adjusting ring is arranged on the outer side of the working column and is in sliding connection in a nesting mode, the rubber head is embedded in the bottom surface of the working column, the height adjusting ring is fixedly connected with the eccentric width preventing device in a welding mode, the working column is embedded in the bottom surface of the controller, the eccentric width preventing device comprises an insulating shell, an N-pole magnet, a steering limiting mechanism, a magnetic pole switching mechanism and a supporting rod, the N-pole magnet is embedded in the insulating shell, the steering limiting mechanism is embedded in the insulating shell and is in rotating connection in the nesting mode, the support rod is installed on the upper surface of the steering limiting mechanism and connected in a bonding mode, and the magnetic pole switching mechanism is arranged inside the insulating shell and attached to the N-pole magnet.

As a further scheme of the invention, the steering limiting mechanism is provided with a sealing ring pad, a magnetic conduction cover, a ball, an outer cover sleeve and a ferromagnetic ball, the sealing ring pad is arranged on the outer side of the outer cover sleeve and connected in a nesting manner, the magnetic conduction cover is in rolling connection with the outer side of the ball, the ball is in rotating connection with the outer cover sleeve in a fitting manner, the outer cover sleeve is embedded in the magnetic conduction cover, the ferromagnetic ball is embedded and installed in the outer cover sleeve, and a support rod is installed on the outer side of the outer cover sleeve and connected in a welding manner.

As a further scheme of the invention, the magnetic pole conversion mechanism is provided with a conversion switch, a slide rail, an electromagnet and a magnetism insulation plate, the conversion switch is embedded and sleeved with the inner side of the slide rail and is connected in a sliding mode, the magnetism insulation plate is connected with the conversion switch in an embedded mode, and the conversion switch is embedded in the electromagnet.

As a further scheme of the present invention, the transfer switch is provided with a push rod, a movable plate, a positive contact, a mounting plate, and a negative contact, wherein the push rod is embedded in the upper surface of the movable plate, the movable plate is fixedly connected with the mounting plate by adhesion, the positive contact is installed at the head end of the movable plate and is connected with the movable plate by adhesion, and the negative contact is embedded at the head end of the mounting plate.

As a further scheme of the invention, the movable plate and the mounting plate are symmetrically distributed on the upper side and the lower side of the push rod, a red indicating strip is arranged on the front surface of the movable plate, and a green indicating strip is arranged on the front surface of the mounting plate.

As a further scheme of the invention, the inner wall of the magnetic insulation plate is smooth and seamless, and a gap between the change-over switch and the slide rail is small, so that the stability is prevented from being damaged during action.

In a further aspect of the present invention, the balls have a certain gap therebetween, which not only facilitates the turning of the outer jacket, but also prevents overheating and demagnetization.

In a further aspect of the present invention, the negative contact and the positive contact are conducted in opposite current directions, and the alternating conduction can change the magnetic polarity of the electromagnet.

As a further scheme of the invention, the inner side of the sealing ring gasket close to the outer cover sleeve is provided with a chamfer, so that dust on the surface of the outer cover sleeve can be removed, and the dust is prevented from entering the magnetic conduction cover to cause abrasion.

Advantageous effects of the invention

Compared with the prior art, the invention has the advantages that the rubber head is attached to the valve, the anti-deflection device is placed on the plane of the valve seat, the supporting rod drives the outer cover sleeve to rotate along the surface of the ball inside the magnetic conduction cover, the angle is adjusted, the moving direction of the valve is the same as the direction of the valve guide pipe, the sealing ring pad is used for clearing dust on the surface of the outer cover sleeve to prevent the dust from entering the outer cover sleeve to cause abrasion, the push rod is pushed to enable the movable plate and the mounting plate to be positioned on the inner side of the slide rail to rotate anticlockwise, so that the positive contact is contacted with the electromagnet, the electromagnet is electrified to have N-pole magnetism and is mutually superposed with the N-pole magnetism to present strong magnetic force, the fixed anti-deflection device is prevented from falling, meanwhile, the electromagnet conducts magnetism through the magnetic conduction cover to attract the ferromagnetic ball, the position of the ferromagnetic ball is fixed, the angle of the adjusted, therefore, the phenomenon of partial width occurs, the grinding effect is influenced, when the grinding is finished, the push rod is pushed, the negative contact is in contact with the electromagnet, the electromagnet is electrified with reverse current and has S-pole magnetism, the magnetic force is mutually offset by the action of the electromagnet and the N-pole magnet, the electromagnet is made to have weak magnetism, and the grinding machine is convenient to take down.

Compared with the traditional valve port grinding device, the valve port grinding device adjusts the angle through the rotation of the supporting rod and the outer cover sleeve, so that the direction of the valve is the same as that of the valve guide pipe, meanwhile, the chamfer angle of the sealing ring gasket is utilized to remove the dust on the surface of the outer cover sleeve, thereby preventing the dust from causing abrasion, then the push rod is pushed to enable the positive contact and the electromagnet to be in contact with current and have N-pole magnetism, the positive contact and the electromagnet are overlapped with the N-pole magnet to enhance the magnetic force, the fixed anti-width-bias device is prevented from falling, meanwhile, the angle of the adjusted support rod is fixed by utilizing the magnetic conduction cover to attract the ferromagnetic ball, thereby preventing deflection in the grinding process, therefore, the phenomenon of partial width occurs, the grinding effect is influenced, when the grinding is finished, the push rod is pushed, the negative contact is in contact with the electromagnet, the electromagnet is electrified with reverse current and has S-pole magnetism, the magnetic force is mutually offset by the action of the electromagnet and the N-pole magnet, the electromagnet is made to have weak magnetism, and the grinding machine is convenient to take down.

Drawings

Other features, objects and advantages of the invention will become more apparent from a reading of the detailed description of non-limiting embodiments with reference to the attached drawings.

In the drawings:

FIG. 1 is a schematic view of a magnetic variable device for limiting and preventing a gas door opening from being deviated.

Fig. 2 is a plan view of a front view structure of an anti-widening device of the present invention.

FIG. 3 is a plan view of a top view of an anti-widening apparatus according to the present invention.

Fig. 4 is an explanatory view of components of a steering limit mechanism in the anti-widening device according to the present invention.

Fig. 5 is an explanatory view showing components of a magnetic pole switching mechanism in the width deviation preventing device according to the present invention.

Fig. 6 is a schematic diagram illustrating an analysis of components of a change-over switch in the magnetic pole changing mechanism according to the present invention.

In the figure: the device comprises a starter-1, a display-2, a controller-3, a height adjusting ring-4, an anti-deflection device-5, a working column-6, a rubber head-7, an insulating shell-51, an N-pole magnet-52, a steering limiting mechanism-53, a magnetic pole switching mechanism-54, a support rod-55, a sealing ring pad-531, a magnetic conduction cover-532, a ball-533, an outer cover sleeve-534, a ferromagnetic ball-535, a switch-541, a slide rail-542, an electromagnet-543, a magnetic insulation plate-544, a push rod-5411, a movable plate-5412, a positive contact-5413, an installation plate-5414 and a negative contact-5415.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1-6, the present invention provides a technical solution for a magnetic variable device for limiting and preventing a wide air door opening from being deviated:

as shown in fig. 1-3, a device for grinding a gas gate opening for limiting and preventing deviation width by utilizing magnetic variability structurally comprises a starter 1, a display 2, a controller 3, a height adjusting ring 4, a deviation width prevention device 5, a working column 6 and a rubber head 7, wherein the starter 1 is connected with the controller 3, the display 2 is installed on the upper surface of the controller 3 and is connected with the controller by welding, the height adjusting ring 4 is arranged on the outer side of the working column 6 and is connected with the working column 6 in a sliding way in a nesting mode, the rubber head 7 is embedded and installed on the bottom surface of the working column 6, the height adjusting ring 4 is fixedly connected with the deviation width prevention device 5 by welding, the working column 6 is embedded on the bottom surface of the controller 3, the deviation width prevention device 5 comprises an insulating shell 51, an N-pole magnet 52, a steering limiting mechanism 53, a magnetic pole switching mechanism 54 and a support rod 55, the N-pole magnet 52 is embedded in the insulating shell 51, the steering limiting mechanism 53 is embedded in the insulating shell 51 and is rotatably connected in a nested manner, the support rod 55 is mounted on the upper surface of the steering limiting mechanism 53 and is connected in an adhering manner, and the magnetic pole switching mechanism 54 is arranged in the insulating shell 51 and is attached to the N-pole magnet 52.

As shown in fig. 4, the steering limiting mechanism 53 is provided with a gasket 531, a magnetic conductive cover 532, a ball 533, an outer cover 534, and a ferromagnetic ball 535, the gasket 531 is disposed on the outer side of the outer cover 534 and connected in a nested manner, the magnetic conductive cover 532 is connected in a rolling manner with the outer side of the ball 533, the ball 533 is rotatably connected with the outer cover 534 in a fitting manner, the outer cover 534 is embedded in the magnetic conductive cover 532, the ferromagnetic ball 535 is embedded in the outer cover 534, a support rod 55 is mounted on the outer side of the outer cover 534 and connected in a welding manner, dust cleaning is performed through a chamfer of the gasket 531, magnetism is conducted by using the magnetic conductive cover 532, and the position of the ferromagnetic ball 535 is attracted and fixed.

As shown in fig. 5, the magnetic pole switching mechanism 54 includes a switch 541, a slide rail 542, an electromagnet 543, and a magnetic isolation plate 544, wherein the switch 541 is inserted into the slide rail 542 and slidably connected to the slide rail 542, the magnetic isolation plate 544 is connected to the switch 541 by insertion, the switch 541 is inserted into the electromagnet 543, and the magnetic polarity of the electromagnet 543 is changed by switching the direction of the current to be turned on by the switch 541.

As shown in fig. 6, the switch 541 includes a push rod 5411, a movable plate 5412, a positive contact 5413, a mounting plate 5414, and a negative contact 5415, wherein the push rod 5411 is embedded in the upper surface of the movable plate 5412, the movable plate 5412 is fixedly connected to the mounting plate 5414 by adhesion, the positive contact 5413 is installed at the head end of the movable plate 5412 and is connected to the mounting plate 5414 by adhesion, the negative contact 5415 is embedded at the head end of the mounting plate 5414, and the push rod 5411 is pushed to alternately connect the positive contact 5413 and the negative contact 5415 with the electromagnet 543, so as to change the magnetic polarity of the electromagnet 543.

As shown in fig. 6, the movable plate 5412 and the mounting plate 5414 are symmetrically distributed on the upper and lower sides of the push rod 5411, and a red indication strip is disposed on the front surface of the movable plate 5412, and a green indication strip is disposed on the front surface of the mounting plate 5414.

As shown in fig. 5, the inner wall of the magnetic shielding plate 544 is smooth and seamless, and the gap between the switch 541 and the sliding rail 542 is small, so as to avoid the stability from being damaged during operation.

The specific realization principle is as follows: the rubber head 7 is attached to the valve, the anti-bias device 5 is placed on the plane of the valve seat, the supporting rod 55 drives the outer cover sleeve 534 to rotate inside the magnetic conduction cover 532 along the surface of the ball 533, the angle is adjusted, the moving direction of the valve is the same as the direction of the valve guide, the sealing ring pad 531 is used for removing dust stained on the surface of the outer cover sleeve 534, the dust is prevented from entering the outer cover sleeve 534 to cause abrasion, the push rod 5411 is pushed to enable the movable plate 5412 and the mounting plate 5414 to be positioned on the inner side of the sliding rail 542 to rotate anticlockwise, so that the positive contact 5413 is contacted with the electromagnet 543, the electromagnet 543 is electrified to be N-pole magnetic property, the N-pole magnet 52 is mutually overlapped to present strong magnetic force, the anti-bias device 5 is fixed to prevent falling, meanwhile, the electromagnet 543 conducts the magnetic property through the magnetic conduction cover 532 to attract the ferromagnetic ball 535, the ferromagnetic ball 535 is limited, the deflection in the grinding process is prevented, so that the phenomenon of width deflection is avoided, the grinding effect is influenced, when the grinding is finished, the push rod 5411 is pushed, the negative contact 5415 is in contact with the electromagnet 543, the electromagnet 543 is electrified with reverse current, the magnetic force is S-pole magnetic, the electromagnet 543 and the N-pole magnet 52 are mutually counteracted, the magnetic force is weakened, and the grinding machine can be conveniently taken down.

The invention solves the problem that the grinding machine in the prior art uses manual auxiliary strong magnetism to position, the valve opening has a certain angle with the horizontal, the grinding angle needs to be adjusted in real time manually during grinding to keep the grinding angle parallel to the direction of the valve guide pipe, otherwise the valve guide pipe is easy to wear, and the grinding machine is inclined to the lower surface under the action of the self gravity, so that the phenomena of inclined width and concave of the valve seat and the valve are easy to occur, thereby affecting the air tightness of the valve, and the grinding machine is hard to take down due to the strong attraction of the strong magnetism after finishing the work, the invention uses the mutual combination of the components, adjusts the angle through the rotation of the support rod 55 and the outer cover 534, enables the directions of the valve and the valve guide pipe to be the same, simultaneously utilizes the chamfer of the seal ring 531 to remove the dust on the surface of the outer cover 534, prevents the dust from causing wear, and then pushes the push rod 5411 to enable the contact current of the positive contact 5413 and, with N utmost point magnet 52 effect stack reinforcing magnetic force, fixed anti-unbalance width device 5 prevents empting, utilize magnetic conduction cover 532 attraction ferromagnetic ball 535 to fix the angle of the bracing piece 55 who has adjusted simultaneously, prevent to deflect in the grinding process, thereby appear the phenomenon of unbalance width, the effect of influence grinding, promote push rod 5411 after the grinding is finished, make negative contact 5415 and electro-magnet 543 contact, electro-magnet 543 leads to reverse current, be S utmost point magnetism, with N utmost point magnet 52 effect mutual offset magnetic force, make it be weak magnetism, be convenient for take off the grinding machine.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides an utilize magnetism variable to carry out spacing anti-deflection wide gas gate mouth grinder, its structure includes starter (1), display (2), controller (3), height adjusting ring (4), anti-deflection wide device (5), working column (6), rubber head (7), its characterized in that: the starter (1) is connected with the controller (3), the display (2) is installed on the upper surface of the controller (3), the height adjusting ring (4) is arranged on the outer side of the working column (6), the rubber head (7) is embedded and installed on the bottom surface of the working column (6), and the height adjusting ring (4) is fixedly connected with the anti-deflection width device (5) in a welding mode;

the anti-deflection width device (5) comprises an insulating shell (51), an N-pole magnet (52), a steering limiting mechanism (53), a magnetic pole conversion mechanism (54) and a support rod (55), wherein the N-pole magnet (52) is embedded in the insulating shell (51), the steering limiting mechanism (53) is embedded in the insulating shell (51) and is rotatably connected in a nested mode, the support rod (55) is installed on the upper surface of the steering limiting mechanism (53), and the magnetic pole conversion mechanism (54) is arranged in the insulating shell (51); the steering limiting mechanism (53) is provided with a sealing ring pad (531), a magnetic conduction cover (532), a ball (533), an outer cover sleeve (534) and a ferromagnetic ball (535), the sealing ring pad (531) is arranged on the outer side of the outer cover sleeve (534), the magnetic conduction cover (532) is in rolling connection with the outer side of the ball (533), the outer cover sleeve (534) is embedded in the magnetic conduction cover (532), the ferromagnetic ball (535) is embedded in the outer cover sleeve (534), a support rod (55) is installed on the outer side of the outer cover sleeve (534) and is connected in a welding mode, dust cleaning is carried out through chamfering of the sealing ring pad (541), magnetism is conducted by utilizing the magnetic conduction cover (542), and the position of the ferromagnetic ball (545) is attracted and fixed;

the magnetic pole conversion mechanism (54) is provided with a conversion switch (541), a slide rail (542), an electromagnet (543) and a magnetism insulation plate (544), the conversion switch (541) is embedded in the inner side of the slide rail (542), the magnetism insulation plate (544) is connected with the conversion switch (541) in an embedded mode, the conversion switch (541) is embedded in the electromagnet (543), and the conversion switch (541) is used for converting the on-state current direction, so that the magnetic polarity of the electromagnet (543) is changed;

the transfer switch (541) is provided with a push rod (5411), a movable plate (5412), a positive contact (5413), a mounting plate (5414) and a negative contact (5415), the push rod (5411) is embedded in the upper surface of the movable plate (5412), the movable plate (5412) is fixedly connected with the mounting plate (5414) in an adhesion mode, the positive contact (5413) is mounted at the head end of the movable plate (5412), and the negative contact (5415) is embedded at the head end of the mounting plate (5414); by pushing the push rod (5411), the positive contact (5413) and the negative contact (5415) are alternately connected with the electromagnet (543), and the magnetic polarity of the electromagnet is changed.

2. The apparatus for grinding a door opening with magnetic variable spacing against deflection according to claim 1, wherein: the movable plate (5412) and the mounting plate (5414) are symmetrically distributed on the upper side and the lower side of the push rod (5411), a red indicating strip is arranged on the front surface of the movable plate (5412), and a green indicating strip is arranged on the front surface of the mounting plate (5414).

3. The apparatus for grinding a door opening with magnetic variable spacing against deflection according to claim 2, wherein: the inner wall of the magnetic insulation plate (544) is smooth and seamless, and the gap between the change-over switch (541) and the sliding rail (542) is small, so that the stability is prevented from being damaged during action.