KR20210119018A - Apparatus for making hall in disk of butterfly valve - Google Patents

Abstract

The present invention relates to a tapered hole processing apparatus for a disk for a butterfly valve, comprising: a base; a table mounted on the upper portion of the base to perform seesaw motion; a power source installed to push or pull one side of the table to make the table perform seesaw motion; a drill machine installed to move up and down to process a taper hole in a hole processing part provided on the upper surface of a disk in a state in which the table is vertically arranged; and a fixing means mounted to fix the disk to the upper surface of the table. As the disk is firmly fixed in the vertical, horizontal, and front-rear directions by the fixing means, shaking of the disk can be prevented while the tapered hole is processed in a state where the disk is vertically arranged.

Description

Apparatus for making hall in disk of butterfly valve

The present invention relates to a taper hole processing apparatus, and more particularly, after fixing an article, standing it vertically, using a drill machine to first process a taper hole with a drill tip downward, and then replace the drill tip with a reamer It relates to a tapered hole processing apparatus of a disk for a butterfly valve to be secondary processed.

In general, a butterfly valve installs a disk by fastening a rotating shaft and adjusts the opening and closing of a pipe by the rotation of the disc. It is widely used as a valve to open/close or control the flow rate.

In such a disk, the rotating shaft and the disk are completely fixed by a tapered pin, and a tapered hole into which the tapered pin is inserted is machined. This tapered hole can be machined horizontally.

Since the inclined surface of the inner surface of such a tapered hole has to be precisely processed, there is a problem in that it is difficult to accurately correct the angle by conventional horizontal processing.

Republic of Korea Patent Registration No. 10-0423734 (2004.03.26. Announcement) Republic of Korea Patent Publication No. 10-2019-0006961 (published on January 21, 2019)

The object of the present invention devised to solve the above problems is that when the table on which the disk is fixed is erected vertically in accordance with the direction of gravity, the drill machine moves vertically and is firstly processed by the drill tip and then the inner surface is secondarily processed by the reamer To provide a tapered hole processing apparatus for a disk for a butterfly valve in which a tapered hole is processed so that the inclined surface of the

In order to achieve the above object, a tapered hole processing apparatus for a disk for a butterfly valve according to the present invention includes a base; a table mounted to seesaw motion on the upper part of the base; a power source installed to push or pull one side of the table to make the table seesaw; A drill machine installed to move up and down to process a taper hole in the hole processing part provided on the upper surface of the disk in a state in which the table is vertically disposed; and a fixing means mounted to fix the disk to the upper surface of the table; can be made including .

At this time, the disk may be removably fastened with a rotation shaft fixed to each of the hole processing portions provided on the symmetrical upper surfaces on both sides, and a fixing rod having an outer diameter that becomes narrower toward the tip.

And the fixing means includes a seating member installed so that the rotating shaft and the fixing rod are in close contact with the table when the table is inclined, a fitting fixing member installed so that the tip portion of the fixing rod is fitted and fixed, and a left and right fixing member installed to be fixed by pushing the front end surface of the rotation shaft in the longitudinal direction, At least one of the upper and lower members installed so as to be fixed by pressing the rotating shaft and the fixed rod toward the table may be provided.

Here, the left and right fixing members are a support bar fixed in a standing position on the upper surface of the table, a movable bar installed so as to be movable in the longitudinal direction of the rotation shaft through the upper portion of the support bar, and the movable bar is fastened to both sides of the movable bar to be tightened close to each other or moved apart from each other while loosening A pair of fixtures installed so that the bar is fixed and movable may be provided.

In addition, the upper and lower members are a support fixed on the upper surface of the table in a standing position, a pusher installed to press the rotary shaft and the fixed rod downward while installed to move up and down along the support, and a pusher installed to the support so that the presser is interposed and tightened in close proximity to each other. It may be provided with a pair of fasteners installed so that the pusher can be fixed and moved while being released or spaced apart.

In addition, the seating member is processed into a concave-convex shape on one surface to which the fixed rod is in close contact, and is protruded and fixed to the concave portion. more can be provided.

In addition, the drill machine may be installed to reciprocately process a taper hole in the hole processing part with a drill tip, and then process the inner surface of the taper hole secondary after replacing the drill tip with a reamer.

As described above, according to the present invention, the disk is firmly fixed in the vertical, horizontal, and front-rear directions by the seating member, the fitting fixing member, the left and right fixing members and the upper and lower members, which are fixing means, so that the disk is taper in a vertically arranged state. There is an effect that the disc shake can be prevented while the hole is being machined.

In addition, the table on which the disk is fixed rotates vertically, and in this vertical state, the drilling machine uses the drill tip and the reamer alternately to process the taper hole, preventing shaking or shaking compared to when the drill machine moves horizontally. This has the effect that the inclination angle of the inner surface of the taper hole can be processed more precisely.

The following drawings attached to this specification illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with the detailed description of the present invention, so the present invention is limited only to the matters described in those drawings should not be construed as
1 is a plan view schematically showing a tapered hole processing apparatus of a disk for a butterfly valve according to a preferred embodiment of the present invention.
Figure 2 is a side view schematically showing the processing apparatus of Figure 1;
3 is a side view illustrating a state in which the table of FIG. 1 is tilted and fixed.
4 is a side view illustrating a state in which the table of FIG. 3 is vertically fixed.
5 and 6 are side views illustrating a state in which the taper hole is machined in the state of FIG. 4 .
FIG. 7 is a view showing a disk having a tapered hole processed by the processing apparatus of FIG. 1 .

Hereinafter, preferred embodiments will be described in detail so that those of ordinary skill in the art can easily practice the present invention with reference to the accompanying drawings. However, when it is determined that a detailed description of a related well-known function or configuration may unnecessarily obscure the gist of the present invention in describing the operating principle of the preferred embodiment of the present invention in detail, the detailed description thereof will be omitted.

As shown in FIGS. 1 and 2, the tapered hole processing apparatus of the disk for a butterfly valve according to a preferred embodiment of the present invention includes a base 100, a power source 200, a table 300, a fixing means 400 and , including a drill machine (500, see FIG. 5). Here, the disk 10 fixed by the fixing means 400 is a disk, as shown in FIG. 7 , the rotation shaft 11 is fixed to the upper surface on one side, and the fixing rod 12 is fixed to the opposite side of the rotation shaft 11 The rod 12 may be detachably fitted to the upper surface. At this time, a hole processing part 13 protruding from the upper surface so that the rotating shaft 11 and the fixing rod 12 are fitted may be provided. A taper hole 14 may be machined in the hole processing part 13 . The disk 10 may have a general shape.

The base 100 has a predetermined height, and the table 300 may be installed on the upper surface or the upper side to seesaw motion. That is, the base 100 may be axially rotatably coupled to the lower surface of the table 300 to enable a seesaw movement by the first fastening member 110 . At this time, the first fastening member 110 is installed so as to rotate axially on the lower surface of the table 300, and can be mounted with the approximately “L”-shaped coupling member 120 fixed to the upper end or upper end of the base 100 . have. Due to the installation of the coupling member 120, the seesaw movement of the table 300 spaced apart from the upper surface of the base 100 may be facilitated. In addition, a stopper 130 may be mounted on the lower portion of the base 100 so as to be in contact with the table 300 erected vertically by a seesaw motion. The stopper 130 may ensure the verticality of the table 300 and prevent excessive rotation of the table 300 beyond the vertical.

The power source 200 may be installed to make the table 300 seesaw motion. To this end, the power source 200 has one end fixed to the base 100, the other end mounted with the second fastening member 210 to pivotally rotate on one side of the table 300, and the other end is drawn out and inserted into the table ( The seesaw motion of the table 300 may be induced by pushing or pulling one side of the 300). The power source 200 of this structure may be an air cylinder or a hydraulic cylinder. At this time, the power source 200 causes the disk 10 to be fixed to the table 300 by first rotating the table 300 at approximately 45° as in FIG. 3, and rotating the table 300 secondarily as shown in FIG. 300) may be installed to be rotated and fixed vertically. In this case, a portion of the table 300 may be in contact with the stopper 130 to maintain verticality.

A plurality of members capable of firmly fixing the disk 10 to the table 300 may be fixed to the upper surface thereof.

The fixing means 400 is a means for fixing the disk 10 placed on the table 300, and the seating member 410, the fixing auxiliary member 420, the fitting fixing member 430, the left and right fixing members 440 and the upper and lower sides A fixing member 450 may be provided.

First, as shown in FIGS. 1 and 3, the seating member 410 is in close contact with the rotation shaft 11 of the disk 10 and the fixed rod 12 when the disk 10 is placed in a state where the table 300 is inclined. can be installed as much as possible. As the disk 10 is seated on the seating member 410 , the rotating shaft 11 and the fixing rod 12 may be positioned in a straight line. Here, the seating member 410 may be processed into a concave-convex shape on one surface where the rotating shaft 11 and the fixing rod 12 are in close contact, and the contact hole 411 may be fixed to the concave portion. The contact hole 411 may be disposed to protrude more than the surface of the seating member 410 . Accordingly, the rotation shaft 11 and the fixed rod 12 may be seated in substantially contact with the contact hole 411 . At this time, the adhesion port 411 may be in the shape of a rod, which is to be in line contact with the rotation shaft 11 and the fixing rod 12, so that the rotation shaft 11 and the fixing rod 12 are precisely positioned on a straight line. can

In addition, as shown in FIGS. 1 and 2 , the fixing auxiliary member 420 assists the fixing force of the granular seating member 410 and the table 300 , and prevents the seating member 410 from falling. can be installed. To this end, the back side of the seating member 410, that is, the standing plate material 421 supporting the other surface opposite to the one surface on which the rotation shaft 11 or the fixed rod 12 is seated, and the standing plate material 421 and the table 300 fastening force It may be provided with a flat plate material 422 coupled to a large area to the table 300 to assist.

In addition, the fitting fixing member 430 may be installed so that the tip portion of the fixing rod 12 is inserted and fitted, as shown in FIG. 1 . At this time, the fixing rod 12 may have a multi-stage outer diameter or a shape that becomes smaller toward the tip, thereby penetrating the hole machined in the fitting fixing member 430 and only being inserted from the tip to a certain length.

In addition, the left and right fixing members 440 may be installed to fix the disk 10 by pushing the front end surface of the rotation shaft 11 . The left and right fixing members 440 may be installed to be fixed by being drawn out or inserted in the longitudinal direction of the rotation shaft 11 . Therefore, as shown in FIG. 3 , when the rotating shaft 11 and the fixing rod 12 are placed on the seating member 410 , and the fixing rod 12 is fitted to the fitting fixing member 430 , the left and right fixing members 440 are It is drawn out and pushes the rotating shaft 11 so that the disk 10 can be firmly fixed with respect to the front and rear and left and right directions. The left and right fixing members 440 are, for example, a granular support bar 441 fixed to the table 300, a moving bar 442 penetrating the upper portion of the supporting bar 441, and both sides of the moving bar 442. A plurality of fasteners 443 fastened may be provided. In this case, the moving bar 442 may be a bolt, and the fixture 443 may be a nut. Accordingly, the left and right fixing members 440 are fixed so that the moving bar 442 is fixed when the fasteners 443 are tightened to be close to each other, and when the fasteners 443 are released to be spaced apart from each other, the moving bars 442 are manufactured to move left and right. can

And the upper and lower member 450 may be installed to fix the disk 10 by pressing the rotating shaft 11 and the fixing rod 12 to the upper surface of the table 300 as shown in FIGS. 1 to 3 . The upper and lower member 450 may include a granular support 451 fixed to the table 300 and a pusher 452 installed on the upper portion of the support 451 so as to be movable and fixed up and down. . At this time, the presser 452 is fitted between a plurality of fasteners 453 fastened to the support 451, is fixed by the adjacent tightening of the fasteners 453, and is installed to be movable by loosening spaced apart. could be In this case, the fastener 453 may be a nut fastened to the support 451 . Therefore, by the upper and lower members 450 pressing the rotation shaft 11 and the fixing rod 12 fixed by the seating member 410, the fitting fixing member 430 and the left and right fixing members 440 downward, the disk ( 10) can be completely fixed.

On the other hand, the drill machine 500 moves downward in a state in which the table 300 is erected vertically, as shown in FIGS. 4 and 5 , and has a taper hole 14 in the hole processing part 13 protruding from the upper surface of the disk 10 . ) can be installed to process At this time, when the drill machine 500 processes the taper hole 14 as shown in FIG. 5 , first, the drill tip 510 is mounted to process the taper hole 14 first, and the drill tip 510 as shown in FIG. 6 . ) can be replaced with the reamer 520 and then the angle of inclination of the inner surface of the taper hole 14 can be secondarily processed. In addition, the drill machine 500 moves in the same vertical direction as gravity and processes the taper hole 14, so that shaking or shaking can be prevented compared to the method of processing by moving horizontally different from the gravity direction. It is possible to process the inclination angle of the inner surface more precisely.

As described above, those skilled in the art to which the present invention pertains will be able to understand that the present invention may be implemented in other specific forms without changing the technical spirit or essential characteristics thereof. Therefore, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive. The scope of the present invention is indicated by the claims described later rather than the detailed description, and all changes or modifications derived from the meaning and scope of the claims and equivalent concepts should be interpreted as being included in the scope of the present invention. do.

10: disk
11: axis of rotation 12: fixed bar
13: hole processing part 14: taper hole
100: base
110: first fastening member 120: coupling member
130: stopper
200: power source
210: second fastening member
300: table
400: fixing means
410: seating member 411: adhesive
420: fixed support member 421: standing plate
422: plate member 430: fitting fixing member
440: left and right fixing member 441: support bar
442: moving bar 443: fixture
450: upper and lower government members 451: support
452: pusher 453: fastener
500: drill machine
510: Drill tip. 520: Reamer.

Claims (5)

base 100;
a table (300) mounted to seesaw motion on an upper portion of the base (100);
a power source 200 installed to push or pull one side of the table 300 to make the table 300 seesaw motion;
A drill machine 500 installed to move up and down to process the taper hole 14 in the hole processing part 13 provided on the upper surface of the disk 10 in a state in which the table 300 is vertically disposed; and
A fixing means (400) mounted to fix the disk (10) on the upper surface of the table (300); includes;
The disk 10 has a rotating shaft 11 fixed to each of the hole processing portions 13 provided on the symmetrical upper surfaces on both sides, and a fixing rod 12 having an outer diameter that becomes narrower toward the tip is detachably fastened,
The fixing means 400 is a seating member 410 installed so that the rotating shaft 11 and the fixing rod 12 are in close contact with the table 300 in an inclined state, and the tip portion of the fixing rod 12 is fitted and fixed. The fixing member 430, the left and right fixing members 440 installed so as to be fixed by pushing the front end surface of the rotation shaft 11 in the longitudinal direction, and the top and bottom installed to be fixed by pressing the rotation shaft 11 and the fixing rod 12 toward the table 300 side. Tapered hole processing apparatus for a disk for a butterfly valve, characterized in that it comprises at least one of the fixing member (450).
In claim 1,
The left and right fixing members 440 include a support rod 441 fixed in a standing position on the upper surface of the table 300, and a movable bar 442 installed so as to be movable in the longitudinal direction of the rotation shaft 11 through the upper portion of the support rod 441 and , for a butterfly valve, characterized in that it is fastened to both sides of the moving bar 442 and provided with a pair of fixtures 443 installed so that the moving bar 442 is fixed and movable while being tightened or separated from each other in close proximity to each other. Tapered hole processing device for discs.
In claim 1,
The upper and lower members 450 are installed to move up and down along the support 451 and the support 451 fixed in a standing position on the upper surface of the table 300 while pressing the rotating shaft 11 and the fixing rod 12 downward. A pair of fasteners 453 installed so that the pusher 452 and the pusher 452 are fastened to the support 451 so that the pusher 452 is interposed and tightened close to each other or released while the pusher 452 is fixed and movable. ) Tapered hole processing apparatus of the disk for a butterfly valve, characterized in that it comprises.
In claim 1,
The seating member 410 is
One surface on which the rotating shaft 11 and the fixed rod 12 are in close contact is processed into a concave-convex shape, protruded and fixed to the concave portion, and the table 300 is disposed obliquely by the primary operation of the power source 200. Tapered hole processing apparatus for a disk for a butterfly valve, characterized in that it further comprises a contact hole (411) in which the rotating shaft (11) and the fixed rod (12) are in line contact with the rotating shaft (11) by their own weight when the (10) is placed.
In claim 1,
The drill machine 500 primarily processes the taper hole 14 in the hole processing part 13 with the drill tip 510 in a state in which the table 300 is vertically erected by the secondary operation of the power source 200, After replacing the drill tip 510 with the reamer 520, a tapered hole processing apparatus for a butterfly valve disk, characterized in that it is installed to reciprocate to secondary processing the inner surface of the tapered hole 14.

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