CN212495772U - Machining equipment for chamfering head of valve rod - Google Patents

Abstract

The utility model discloses a processing equipment for valve stem head chamfer, comprising a base plate, the right side fixed mounting at bottom plate top has the knife rest, the left side fixedly connected with transmission case at bottom plate top, the right side of transmission case inner chamber is provided with transmission, the right side of transmission case is provided with the chuck body, transmission's left side fixedly connected with square sleeve. The utility model discloses it is spacing to carry out the movable sleeve through stop gear by the square sleeve, it carries out the rigidity to the left end of valve rod to pass through autogenous pressure mechanism drive arc cover by the clamp plate again, carry out the rigidity by the right-hand member of chuck body to the valve rod at last, thereby possessed and to have carried out the advantage of effective centre gripping to the valve rod, the inside of having solved current processingequipment only fixes the valve rod through three-jaw chuck, fixed effect is relatively poor, the afterbody of valve rod appears rocking easily when rotating, cause the problem of deviation to appear in processing easily, the improvement of certain degree the practicality of processing equipment.

Description

Machining equipment for chamfering head of valve rod

Technical Field

The utility model relates to a valve rod processing technology field specifically is a processing equipment for valve rod head chamfer.

Background

The valve rod is an important part of the valve and is used for transmission, an actuating mechanism or a handle is connected, the valve core is directly driven to move or rotate under the actuating mechanism or the handle so as to realize the opening and closing or adjusting function of the valve, and the valve rod is not only a moving part and a stress part but also a sealing part in the opening and closing process of the valve.

And in the valve rod course of working, can use processingequipment to carry out the chamfer to the tip of valve rod usually and handle, but present processingequipment's inside is only fixed the valve rod through three-jaw chuck, and fixed effect is relatively poor, and the afterbody of valve rod appears rocking easily when rotating, causes the phenomenon of deviation to appear in the processing easily, the practicality of certain degree the processing equipment has been reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a processing equipment for valve rod head chamfer has possessed and to have carried out the advantage of effective centre gripping to the valve rod, and the inside of having solved current processingequipment only fixes the valve rod through three-jaw chuck, and fixed effect is relatively poor, and the afterbody of valve rod appears rocking easily when rotating, causes the problem that the deviation appears easily in processing.

(II) technical scheme

In order to achieve the above object, the present invention provides the following technical solutions: the utility model provides a processing equipment for valve stem head chamfer, includes the bottom plate, the right side fixed mounting at bottom plate top has the knife rest, the left side fixedly connected with location cavity at bottom plate top, left through-hole and right through-hole about location cavity centrosymmetric are seted up respectively to the both sides of location cavity, right side through-hole is equipped with the chuck outward, the chuck center is equipped with the hollow tube that stretches into in the right through-hole, the terminal fixedly connected with side cover of hollow tube, the inside sliding connection of side cover has the movable sleeve, the last inner wall and the lower inner wall of movable sleeve articulate through the pin rod respectively have the arc cover, the part that stretches out outside the left through-hole in the left side of movable sleeve is provided with the clamp plate, the right side fixedly connected with of clamp plate is located the inside sliding sleeve of movable sleeve, the arc cover is through couple sliding fit.

Preferably, the left side of clamp plate is provided with from pressing mechanism, from pressing mechanism includes spring, slide bar and fixed cover, the left end of square sleeve runs through to the outside of transmission case, fixed cover fixed connection is at the left end of movable sleeve, spring fixed connection is between fixed cover inner wall and clamp plate, slide bar fixed connection is in the left four corners of fixed cover inner wall, the right-hand member of slide bar runs through clamp plate and fixed connection in the left side of movable sleeve.

Preferably, the left side fixedly connected with arm-tie of fixed cover, the right-hand member of arm-tie runs through to the inside of fixed cover and fixed connection is in the left side of clamp plate.

Preferably, the top and the bottom of square sleeve inner wall have all been seted up the spout, the top and the equal fixedly connected with slider in bottom on movable sleeve right side, slider sliding connection is in the inside of spout.

(III) advantageous effects

Compared with the prior art, the utility model provides a processing equipment for valve stem head chamfer possesses following beneficial effect:

1. this a processing equipment for valve rod head chamfer, it is spacing to carry out the movable sleeve through stop gear by the square sleeve, it carries out the rigidity to the left end of valve rod to drive the arc cover through autogenous pressure mechanism by the clamp plate again, carry out the rigidity to the right-hand member of valve rod by the chuck body at last, thereby possessed and carried out the advantage of effective centre gripping to the valve rod, the inside of having solved current processingequipment only fixes the valve rod through three-jaw chuck, fixed effect is relatively poor, the afterbody of valve rod appears rocking easily when rotating, cause the problem of deviation to appear easily in processing, the improvement of certain degree the practicality of processing equipment.

2. This a processing equipment for valve stem head chamfer through setting up the slide bar, can carry on spacingly to the clamp plate, has avoided the clamp plate wobbling phenomenon to appear when removing, through setting up the arm-tie, can the person of facilitating the use stimulate the clamp plate, has avoided the phenomenon that the unable quick pulling clamp plate of user.

Drawings

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

FIG. 2 is an enlarged structural view of the point A in FIG. 1 according to the present invention;

fig. 3 is a left side sectional view of the square sleeve of the present invention.

In the figure: the automatic clamping device comprises a base plate 1, a tool rest 2, a transmission case 3, a chuck body 5, a square sleeve 6, a movable sleeve 7, an arc sleeve 8, a pressing plate 9, a sliding sleeve 10, a self-pressing mechanism 11, a 111 spring, a 112 sliding rod, a 113 fixed sleeve, a 12 pulling plate, a 14 sliding groove and a 15 sliding block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a processing device for chamfering the head of a valve stem comprises a base plate 1, a tool rest 2 fixedly mounted on the right side of the top of the base plate 1, a positioning cavity 3 is fixedly connected with the left side of the top of the bottom plate 1, a left through hole and a right through hole which are symmetrical about the center of the positioning cavity are respectively arranged at the two sides of the positioning cavity 3, a chuck 5 is arranged outside the right through hole, a hollow pipe extending into the right through hole is arranged in the center of the chuck, the tail end of the hollow pipe is fixedly connected with a square sleeve 6, the interior of the square sleeve 6 is connected with a movable sleeve 7 in a sliding way, the upper inner wall and the lower inner wall of the movable sleeve 7 are respectively articulated with an arc-shaped sleeve 8 through pin rods, a pressure plate 9 is arranged at the part of the left side of the movable sleeve 7 extending out of the left through hole, the right side of the pressure plate 9 is fixedly connected with a sliding sleeve 10 positioned in the movable sleeve, and the arc-shaped sleeve 8 is in sliding fit in an open slot on the surface of the sliding sleeve 10 through a hook.

The pressing plate 9 can be limited by arranging the sliding rod 112, the phenomenon that the pressing plate 9 swings when moving is avoided, the pulling plate 12 is fixedly connected to the left side of the fixing sleeve 113, the right end of the pulling plate 12 penetrates into the fixing sleeve 113 and is fixedly connected to the left side of the pressing plate 9, the pulling plate 12 is arranged, a user can pull the pressing plate 9 conveniently, the phenomenon that the user cannot pull the pressing plate 9 quickly is avoided, the sliding grooves 14 are formed in the top and the bottom of the inner wall of the square sleeve 6, the sliding block 15 is fixedly connected to the top and the bottom of the right side of the movable sleeve 7, the sliding block 15 is connected to the inside of the sliding groove 14 in a sliding manner, the movable sleeve 7 can be limited by arranging the sliding grooves 14 and the sliding block 15, the phenomenon that the movable sleeve 7 is separated from the square sleeve 6 is avoided, the sliding sleeve 10 is fixedly connected to the right side of the pressing plate 9, the arc-shaped sleeve 8 is connected to, one side sliding connection that arc cover 8 was kept away from to sliding sleeve 10 is in the inside of movable sleeve 7, and the shape through 6 inner walls of square jacket and the shape on movable sleeve 7 surface all set up to square, can protect slider 15, has avoided slider 15 to appear cracked phenomenon easily.

When the valve rod clamping device is used, a user firstly puts a valve rod into the chuck body 5 and extends into the square sleeve from the hollow pipe, the chuck 5 fixes the position of the right end of the valve rod through a tool, then the pull plate 12 is pulled leftwards and the valve rod is pulled leftwards, at the moment, the pull plate 12 can drive the sliding sleeve 10 to move leftwards through the pressing plate 9, the sliding sleeve 10 drives the arc sleeve 8 to rotate by taking the pin rod as the center, the two arc sleeves are symmetrically distributed up and down, the upper arc sleeve and the lower arc sleeve are close to each other when rotating, meanwhile, the valve rod can be clamped between the upper arc sleeve and the lower arc sleeve, the pull plate 12 is loosened, the spring 111 can push the pressing plate 9, the pressing plate 9 can drive the arc sleeve 8 to be tightly pressed on the surface of the valve rod through the sliding sleeve 10 to fix the position, the effect of effectively clamping the valve.

To sum up, the utility model provides an inside of current processingequipment only fix the valve rod through three-jaw chuck, fixed effect is relatively poor, and the afterbody of valve rod appears rocking easily when rotating, causes the problem that the deviation appears in processing easily, the improvement of certain degree the practicality of processing equipment.

It should be noted that, in this document, "include" or any other variation thereof, it is intended to cover a non-exclusive inclusion, so that a process, a method, an article or an apparatus including a series of elements includes not only those elements but also other elements not explicitly listed, or also includes elements inherent to such a process, a method, an article or an apparatus.

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.

Claims (4)

1. A processing equipment for valve stem head chamfer, includes bottom plate (1), its characterized in that: a knife rest (2) is fixedly arranged on the right side of the top of the bottom plate (1), a positioning cavity (3) is fixedly connected on the left side of the top of the bottom plate (1), a left through hole and a right through hole which are symmetrical relative to the center of the positioning cavity are respectively arranged at the two sides of the positioning cavity (3), a chuck (5) is arranged outside the right through hole, a hollow pipe extending into the right through hole is arranged in the center of the chuck, the tail end of the hollow pipe is fixedly connected with a square sleeve (6), the interior of the square sleeve (6) is connected with a movable sleeve (7) in a sliding way, the upper inner wall and the lower inner wall of the movable sleeve (7) are respectively articulated with an arc-shaped sleeve (8) through a pin rod, a pressure plate (9) is arranged on the part of the left side of the movable sleeve (7) extending out of the left through hole, the right side of the pressure plate (9) is fixedly connected with a sliding sleeve (10) positioned in the movable sleeve, the arc-shaped sleeve (8) is in sliding fit in an open slot on the surface of the sliding sleeve (10) through the hook.

2. The machining apparatus for chamfering a head of a valve stem according to claim 1, wherein: the left side of clamp plate (9) is provided with from pressure mechanism (11), from pressure mechanism (11) including spring (111), slide bar (112) and fixed cover (113), the left end of square cover (6) runs through to the outside of location cavity (3), fixed cover (113) fixed connection is at the left end of movable sleeve (7), spring (111) fixed connection is between fixed cover (113) inner wall and clamp plate (9), slide bar (112) fixed connection is in the left four corners of fixed cover (113) inner wall, the right-hand member of slide bar (112) runs through clamp plate (9) and fixed connection is in the left side of movable sleeve (7).

3. The machining apparatus for chamfering a head of a valve stem according to claim 2, wherein: the left side fixedly connected with arm-tie (12) of fixed cover (113), the right-hand member of arm-tie (12) runs through to the inside of fixed cover (113) and fixed connection is in the left side of clamp plate (9).

4. The machining apparatus for chamfering a head of a valve stem according to claim 1, wherein: the top and the bottom of square sleeve (6) inner wall have all been seted up spout (14), the top and the equal fixedly connected with slider (15) in bottom on activity cover (7) right side, slider (15) sliding connection is in the inside of spout (14).

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