KR20130044904A - Bite of lathe - Google Patents

Bite of lathe Download PDF

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Publication number
KR20130044904A
KR20130044904A KR1020110109251A KR20110109251A KR20130044904A KR 20130044904 A KR20130044904 A KR 20130044904A KR 1020110109251 A KR1020110109251 A KR 1020110109251A KR 20110109251 A KR20110109251 A KR 20110109251A KR 20130044904 A KR20130044904 A KR 20130044904A
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KR
South Korea
Prior art keywords
bag holder
main body
hole
fitted
section
Prior art date
Application number
KR1020110109251A
Other languages
Korean (ko)
Inventor
이정수
Original Assignee
(주)예스툴
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)예스툴 filed Critical (주)예스툴
Priority to KR1020110109251A priority Critical patent/KR20130044904A/en
Publication of KR20130044904A publication Critical patent/KR20130044904A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/148—Composition of the cutting inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B27/00—Tools for turning or boring machines; Tools of a similar kind in general; Accessories therefor
    • B23B27/14—Cutting tools of which the bits or tips or cutting inserts are of special material
    • B23B27/16—Cutting tools of which the bits or tips or cutting inserts are of special material with exchangeable cutting bits or cutting inserts, e.g. able to be clamped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B29/00—Holders for non-rotary cutting tools; Boring bars or boring heads; Accessories for tool holders
    • B23B29/04—Tool holders for a single cutting tool

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)

Abstract

PURPOSE: A bite for a shelf is provided to separate a damaged main body from a handle holder when the main body in which a cutting tip is mounted is damaged and to replace to a new main body. CONSTITUTION: A bite for a shelf comprises a connection unit(12) at the end portion of a main body(10) in which an insert tip(5) is mounted. A cutting unit(13) is formed to the connection unit. A head unit(22) of a tensioning rod(20) is inserted to the side of the cutting unit. The head unit is hung to shaft direction to the cutting unit and the connection unit is inserted to a handle holder(30) and a connection groove(31). A spiral connection unit of the tensioning rod is protruded to a hollow(34) of the handle holder through a penetration hole(33) and the spiral connection unit is connected to a nut member(40) inserted to the hollow.

Description

Shelf Bite {BITE OF LATHE}

The present invention relates to a shelf bite, and more particularly, a connecting portion is formed at the rear end of the main body, and a cutting portion or a fastening hole is formed at the connecting portion, and the connecting portion is connected to the shaft while the connecting portion of the main body is fitted into the coupling groove of the bag holder. Pulled by means for pulling in the direction, the main body is firmly connected to the bag holder, and relates to a shelf bite that can prevent the body from vibrating relative to the bag holder.

Korean Utility Model Registration No. 20-0399836 (registered October 21, 2005) introduces "cutting tools for lathes."

The cutting tool for lathe comprises a support fixed to a tool holder of a tool stand, and a cutting part coupled to one side of the support to cut a workpiece, and a support piece coupled to prevent the cutting part from flowing to one side of the support. And a cutting edge for integrally forming a workpiece fixed on the chuck of the main shaft formed on one side of the support piece, and a wave-shaped bend to easily cut the groove or the bent portion of the workpiece on one end of the cutting edge. More faces are formed.

However, in the conventional lathe cutting tool, the cutting part is connected to the stator by a fastener such as a bolt, so that the cutting part generates relative vibration with respect to the stator when cutting the workpiece by the tightening tolerance of the bolt. There is this.

Therefore, an object of the present invention is a connecting portion is formed in the rear end of the main body, the incision or fastening hole is formed in the connecting portion, the connecting portion of the main body is pulled by means of pulling the connecting portion in the axial direction in the state of being fitted into the engaging groove of the bag holder Thus, the main body is firmly connected to the bag holder, and to provide a shelf bite that can prevent the body from relatively vibrating relative to the bag holder.

One example of a shelf bite according to the present invention for achieving the above object is a connecting portion is formed in the rear end of the main body on which the insert tip is mounted, the incision is formed in the connection portion, the head of the tensioning rod is fitted into the side of the incision The head of the tensioning rod is axially caught in the incision, the connecting portion of the body is fitted into the engaging groove of the bag holder, and the helical fastening portion of the tensioning rod protrudes into the hollow of the bag holder through the through hole of the middle diaphragm. As a result, the helical fastening portion of the tensioning rod is fastened to the nut member introduced into the hollow portion of the bag holder.

Another example of the shelf bite according to the present invention is the connection portion is formed on the rear end of the main body on which the insert tip is mounted, the incision is formed in the connection portion, the insert nut is inserted into the incision to be caught in the axial direction, the connection portion of the main body The helical fastening portion of the bolt member inserted into the coupling groove of the holder, the coupling groove and the hollow portion formed in the bag holder are blocked by the intermediate diaphragm, and the through hole is formed in the intermediate diaphragm, and the lead-in portion of the bolt member is introduced into the hollow portion of the bag holder through the through hole. It is characterized in that it is fastened to the fastening hole of the insert nut.

Another example of the shelf bite according to the present invention is a connection portion is formed in the rear end of the main body on which the insert tip is mounted, a fastening hole is formed in the center of the rear end of the connection portion, the connection portion of the main body is fitted into the coupling groove of the bag holder An intermediate diaphragm is disposed between the coupling groove of the bag holder and the hollow part, a through hole is formed in the intermediate diaphragm, and the bolt member is introduced into the hollow part of the bag holder, so that the helical fastening portion of the bolt member passes through the through hole of the bag holder. It is characterized in that it is fastened to the fastening hole of the body.

Another example of the shelf bite according to the present invention is a connection portion is formed in the rear end of the main body on which the insert tip is mounted, the tapered groove is formed in the center of the rear end surface of the connection portion, the expansion of the fastening tube fitted with the head of the bolt in the tapered groove The part is fitted, the connection part of the main body is fitted into the coupling groove of the bag holder, and the bolt and the fastening tube are fitted into the hollow part of the bag holder, so that the nut is inserted into the nut mounting groove opened to the rear end of the bag holder, and the nut is bolted. And is fastened to.

In the above examples, the incision is characterized in that any one of the flask (flask) cross-sectional shape, trapezoidal cross-sectional shape, a partially cut circular cross-sectional shape, a part is cut oval cross-sectional shape.

In the above examples, the connection portion of the main body is composed of a straight section with no change in diameter, and a tapered section with a smaller diameter as it goes from the straight section to the rear end section, and correspondingly, the coupling groove of the bag holder also has a straight line with no change in the inner diameter. And an inclined section in which the inner diameter decreases from the straight section to the bottom surface.

A pair of keys are mounted in the coupling groove of the bag holder so as to face each other, so that when the connection portion of the main body is fitted into the coupling groove of the bag holder, the key is fitted into the key groove formed in the connection portion.

Alternatively, the straight section of the connecting portion of the main body is formed in a polygon, the straight section of the coupling hole of the bag holder is formed in a polygon corresponding to the shape of the straight section of the connecting portion.

As another alternative, the tapered section of the connecting portion of the main body is formed in a polygon, characterized in that the inclined section of the coupling hole of the bag holder is formed in a polygon corresponding to the tapered section of the connecting portion.

As a result, the shelf bite according to the present invention can be used after removing the damaged main body from the bag holder when the main body to which the cutting tip is mounted is replaced with a new main body, thereby reducing the product cost. , It is effective to prevent the relative vibration of the body relative to the bag holder.

1 is an assembled perspective view showing a shelf bite according to a first embodiment of the present invention
2 is an exploded perspective view showing a shelf bite according to the first embodiment of the present invention.
3 is a cross-sectional view taken along line AA of FIG. 1 showing a shelf bite according to a first embodiment of the present invention.
4 is a cross-sectional view showing various types of incisions formed in the connecting portion of the main body
Figure 5 is an exploded cross-sectional view showing a coupling hole of the connecting portion of the main body and the bag holder in the shelf bite according to the first embodiment of the present invention
6 is an exploded perspective view showing an example in which the coupling hole of the connecting portion of the main body and the bag holder in the cutting tool according to the first embodiment of the present invention is coupled by a key;
7 is a cross-sectional view showing an example in which the coupling portion of the main body and the coupling hole of the bag holder is coupled by the key;
8 and 9 are exploded perspective views showing an example in which the connection portion of the main body formed in the polygonal shape and the coupling hole of the bag holder is combined;
10 is an exploded perspective view showing a shelf bite according to a second embodiment of the present invention.
11 is an assembly cross-sectional view showing a shelf bite according to a second embodiment of the present invention.
12 is an exploded perspective view showing a shelf bite according to a third embodiment of the present invention.
13 is an assembled sectional view showing a shelf bite according to the third embodiment of the present invention.
14 is an exploded perspective view showing a shelf bite according to a fourth embodiment of the present invention.
15 and 16 are assembled cross-sectional views showing a shelf bite according to a fourth embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.

1 to 3, the shelf bite according to the first embodiment of the present invention has a connection part 12 formed at the rear end of the main body 10 on which the insert tip 5 is mounted, and the connection part 12 is connected to the connection part 12. A cutout 13 is formed, the head 22 of the tensioning rod 20 is fitted into the side of the cutout 13, and the head 22 of the tensioning rod 20 is cut out 13. ) In the axial direction (X), the connecting portion 12 of the main body 10 is fitted into the engaging groove 31 of the bag holder 30, the spiral fastening portion 23 of the tensioning rod 20 By protruding through the through hole 33 of the intermediate diaphragm 32 to the hollow portion 34 of the bag holder 30, the spiral fastening portion 23 of the tensioning rod 20 is the hollow part of the bag holder 30. It is fastened to the nut member 40 drawn in at 34.

Shelf bite according to the present invention configured as described above, when the main body 10 is broken, after removing the damaged main body 10 from the bag holder 30, can be used to replace the new main body, product cost There is an advantage to reduce. In particular, the connecting portion 12 of the main body 10 is fitted into the coupling groove 31 of the bag holder 30, the rear end surface of the coupling portion 12 is in close contact with the bottom surface of the coupling groove 31, the nut member 40 ) Is fastened to the spiral fastening portion 22 of the tensioning rod 20, and the nut member 40 is brought into close contact with the middle diaphragm 33 of the bag holder 30, thereby tightening the nut member 40. The head portion 21 of the rod 20 is caught by the cutout portion 13, and the tensioning rod 20 is pulled in the axial direction X as in the direction of the arrow 25, whereby the body ( 10 is firmly connected and can prevent relative vibration of the body 10 relative to the bag holder 30.

Referring to FIG. 4, the cutout 13 may be any one of a flask cross-sectional shape, a trapezoidal cross-sectional shape, a partially cut circular cross-sectional shape, and a partially cut elliptical cross-sectional shape.

That is, in Fig. 4, the cutout 13 is a triangular flask cross-sectional shape in (a), a circular flask cross-sectional shape in (b), a square flask cross-sectional shape in (c), and a trapezoidal cross-sectional shape in (d), In (e), the cross-sectional shape is partially cut off, and in (f) the elliptic cross-sectional shape is partially cut off.

Referring to FIG. 5, the connecting portion 12 of the main body 10 includes a straight section 12a having no change in diameter and a tapered section 12b in which the diameter decreases from the straight section 12a to the rear end surface 14. And correspondingly, the coupling groove 31 of the bag holder 30 also has a straight section 31a having no change in the inner diameter, and an inclined section 31b in which the inner diameter decreases from the straight section 31a toward the bottom. It is composed of

Thus, when the connecting portion 12 of the main body 10 is fitted into the engaging groove 31 of the bag holder 30, the straight section 12a of the connecting portion 12 is connected to the straight section 31a of the engaging groove 31. ) Corresponds to the tapered section 12b of the connecting portion 12 to the inclined section 31b of the coupling groove 31, so as to tighten the nut member 40, as shown in Figure 3, the tensioning rod ( When the 20 is pulled in the axial direction X, the inclined surface formed in the tapered section 12b of the connecting portion 12 in a structure in which the connecting portion 12 of the main body 10 is fitted into the engaging groove 31 of the bag holder 30. By the inclined surface contact formed in the inclined section 31b of the coupling groove 31 and the coupling force is structurally stronger than the coupling structure of the linear connection portion and the coupling hole shown in FIG.

6 and 7, a pair of keys 35 are mounted to the coupling groove 31 of the bag holder 30 so as to face each other, so that the coupling groove 31 of the bag holder 30 is connected to each other. When the connecting portion 12 of the main body 10 is fitted to the key, the key 35 is fitted to the side end of the cutout 13 formed in the connecting portion 12.

This makes it possible to prevent the main body 10 from rotating relative to the bag holder 30 by the key 35 when the main body 10 processes the inner diameter of the workpiece.

Referring to FIG. 8, in another alternative, the straight section 12a of the connecting portion 12 of the main body 10 is formed in a polygonal shape (hexagonal, octagonal, etc.), and in the shape of the straight section 12a of the connecting portion 12. Correspondingly, a straight section 31a of the coupling hole 31 of the bag holder 30 is formed in a polygon.

As a result, when the main body 10 processes the inner diameter of the workpiece, the main body 10 is engaged by the linear section 12a of the connecting portion 12 formed in a polygon and the straight section 31a of the engaging hole 31. Can be prevented from rotating relative to the bag holder 30.

Referring to FIG. 9, in another alternative, the tapered section 12b of the connecting portion 12 of the main body 10 is formed in a polygon (hexagonal shape, octagonal shape, etc.), and the tapered section 12b shape of the connecting portion 12 is formed. Corresponding to the inclined section 31b of the coupling hole 31 of the bag holder 30 is formed in a polygon.

As a result, when the main body 10 processes the inner diameter of the workpiece, the main body 10 is coupled by the tapered section 12b of the connecting portion 12 formed in a polygon and the inclined section 31b of the engaging hole 31. Can be prevented from rotating relative to the bag holder 30.

Referring to FIG. 2 again, the tensioning rod 20 has a head portion 22 disposed at one end of the rod portion 21, and the head portion 22 has a shape of the cutout portion 13 of the main body 10. It is formed to correspond to, the bolt spiral 23 is formed on the other end of the rod portion (21).

Referring back to FIG. 3, the bag holder 30 has an intermediate diaphragm 32 formed between the coupling groove 31 and the hollow portion 34, and a through hole 33 is formed in the intermediate diaphragm 32. .

The nut member 40 is formed in a circular rod shape so as to be fitted into the hollow portion 34 of the bag holder 30, and a hole (not shown) is formed at one end thereof, and a tensioning rod ( A nut helix that is fastened to the bolt helix 23 of 20 is formed.

10 and 11, the shelf bite according to the second embodiment of the present invention has an insert nut 150 fitted into the cutout portion 113 of the main body 110 to be hung in the axial direction X. Except that the helical fastening portion 161 of the bolt member 160 introduced into the hollow portion 132 of the holder 130 is fastened to the fastening hole 151 of the insert nut 150 through the through hole 34. It is the same as the shelf bite according to the first embodiment of the present invention.

That is, the connecting portion 112 is formed at the rear end of the main body 110 on which the insert tip 105 is mounted, the cutting portion 113 is formed at the connecting portion 112, and the insert nut 150 at the cutting portion 113. Is fitted in the axial direction (X), the connecting portion 112 of the main body 110 is fitted into the coupling groove 131 of the bag holder 130, the coupling groove 131 and the hollow formed in the bag holder 130 The portion 134 is blocked by the intermediate diaphragm 132, the through hole 133 is formed in the intermediate diaphragm 132, and the bolt member 160 is drawn into the hollow portion 134 of the bag holder 130. The spiral fastening portion 161 is fastened to the fastening hole 151 of the insert nut 150 through the through hole 134.

As a result, when the bolt member 160 is turned in either direction, the fastening of the bolt member 160 and the insert nut 150 is tightened, so that the insert nut 150 is caught by the cutout 113 and the bolt member When the 160 is caught by the intermediate diaphragm 132 and tension is added to the spiral fastening portion 161 of the bolt member 160 in the axial direction X, the main body 110 is completely connected to the bag holder 130. The relative vibration of the main body 110 with respect to the bag holder 130 can be prevented.

12 and 13, the shelf bite according to the third embodiment of the present invention has a fastening hole 214 formed in the center of the rear end surface 213 of the connecting portion 212, and the hollow of the bag holder 220. The bolt member 230 is introduced into the portion 222 so that the spiral fastening portion 231 of the bolt member 230 passes through the through hole 224 of the bag holder 220. It is the same as the shelf bite according to the first embodiment of the present invention except that it is fastened to.

That is, the connection part 212 is formed in the rear end of the main body 210 to which the insert tip 205 is mounted, and the fastening hole 214 is formed in the center of the rear end surface 213 of the connection part 212, and the main body 210 is formed. The connection portion 212 of the bag holder 220 is fitted into the coupling groove 221 of the bag holder 220, the intermediate diaphragm 223 is disposed between the coupling groove 221 and the hollow portion 222 of the bag holder 220, A through hole 224 is formed in the diaphragm 223, the bolt member 230 is introduced into the hollow portion 222 of the bag holder 220, and the spiral fastening portion 231 of the bolt member 230 is the bag holder. It is fastened to the fastening hole 214 of the main body 210 through the through hole 224 of the 220.

Thereby, when the bolt member 230 fastened to the fastening hole 214 of the connection part 212 of the main body 210 is tightened, the head part 232 of the bolt member 230 will become the intermediate | middle diaphragm of the bag holder 220. The rear end surface 213 of the connecting portion 212 of the main body 210, which is pressed against the 223 and simultaneously faces the head portion 232 of the bolt member 230, is the middle diaphragm 223 of the bag holder 220. ), The spiral fastening portion 231 of the bolt member 230 is pulled in the axial direction as shown by the arrow 235, and the main body 210 fastened to the spiral fastening portion 231 of the bolt member 230. The connection part 212 is also pulled and fixed in the axial direction, thereby preventing the main body 210 from vibrating relative to the bag holder 220 during the cutting of the workpiece.

14 to 16, the shelf bite according to the fourth embodiment of the present invention has a connecting portion 312 formed at the rear end of the main body 310 on which the insert tip 305 is mounted, and A tapered groove 314 is formed in the center of the rear end surface 313, and an expansion portion 331 of the fastening pipe 330 into which the head portion 321 of the bolt 320 is fitted is fitted into the tapered groove 314. The connection portion 312 of the 310 is fitted into the coupling groove 341 of the bag holder 340, the bolt 320 and the fastening pipe 330 is fitted into the hollow portion 342 of the bag holder 340 According to the third embodiment of the present invention, except that the nut 350 is inserted into the nut mounting groove 343 opened to the rear end of the bag holder 340, the nut 350 is fastened to the bolt 320. Same as the shelf bite.

In the cutting tool according to the fourth embodiment of the present invention configured as described above, when the nut 350 is tightened, the bolt 320 inserted into the fastening pipe 330 is the nut (as shown by arrows 360 of FIGS. 15 and 16). 350, the head 321 of the bolt 320 disposed inside the expansion part 331 of the fastening pipe 330 opens the expansion part 331 of the fastening pipe 330, The extended portion 331 of the 330 is caught in the tapered groove 314 of the main body 310. As a result, the bolt 320 is pulled in the axial direction as shown by the arrow 360, and the connecting portion 312 of the main body 310 is also pulled in the axial direction and fixed to the engaging groove 341 of the bag holder 340. In the process of cutting the workpiece, the main body 310 may be prevented from vibrating relative to the bag holder 340.

The fastening pipe 330 has an extension portion 331 formed at one end of the straight pipe portion 332, a pair of expansion pieces 331a by a pair of cutouts 333 formed in the expansion portion 331, 331b are formed to face each other.

5: insert tip 10: main body
20: tensioning rod 30: bag holder
40: nut member

Claims (9)

A connecting portion is formed at the rear end of the main body on which the insert tip is mounted, a cutting portion is formed in the connecting portion, the head portion of the tensioning rod is fitted into the side of the cutting portion, and the head portion of the tensioning rod is axially caught in the cutting portion. Of the nut is inserted into the coupling groove of the bag holder, and the helical fastening portion of the tensioning rod protrudes into the hollow portion of the bag holder through the through hole of the intermediate diaphragm, whereby the nut member of the spiral fastening portion of the tensioning rod is inserted into the hollow portion of the bag holder. Shelf bite, characterized in that fastened to.
A connection part is formed at the rear end of the main body on which the insert tip is mounted, a cutout is formed at the connection part, an insert nut is inserted into the cutout part to be caught in the axial direction, and the connection part of the main body is fitted into the coupling groove of the bag holder, The coupling groove and the hollow portion formed are blocked by the intermediate diaphragm, and a through hole is formed in the intermediate diaphragm so that the spiral fastening portion of the bolt member introduced into the hollow portion of the bag holder is fastened to the fastening hole of the insert nut through the through hole. Lathe bite.
A connecting part is formed at the rear end of the main body on which the insert tip is mounted, a fastening hole is formed at the center of the rear end of the connecting part, the connecting part of the main body is fitted into the engaging groove of the bag holder, and the intermediate part between the engaging groove of the bag holder and the hollow part. A shelf, wherein the diaphragm is disposed, a through hole is formed in the middle diaphragm, the bolt member is introduced into the hollow portion of the bag holder, and the spiral fastening portion of the bolt member is fastened to the fastening hole of the main body through the through hole of the bag holder. Byte for.
A connecting part is formed at the rear end of the main body on which the insert tip is mounted, a tapered groove is formed at the center of the rear end of the connecting part, an extension part of the fastening tube fitted with the head of the bolt is fitted into the tapered groove, and the connecting part of the main body is coupled to the bag holder. A shelf bite characterized in that the nut is inserted into the nut mounting groove opened in the rear end of the bag holder by being fitted into the groove and the bolt and the fastening tube inserted into the hollow part of the bag holder.
3. The method according to claim 1 or 2,
The cutting part is a shelf bite, characterized in that any one of a flask cross-section shape, trapezoidal cross-sectional shape, a part of the circular cross-sectional shape cut, a part of the elliptical cross-section cut off.
The method according to any one of claims 1 to 4,
The connecting portion of the main body is composed of a straight section with no change in diameter, and a tapered section with a smaller diameter as it goes from the straight section to the rear section, and correspondingly, the coupling groove of the bag holder also has a straight section with no change in the inner diameter, and a straight line. Shelf bite, characterized in that consisting of an inclined section of the inner diameter is reduced from the section to the bottom surface.
The method according to claim 6,
A pair of keys are mounted in the coupling groove of the bag holder so as to face each other, so that when the connection portion of the main body is fitted into the coupling groove of the bag holder, the key is fitted into the key groove formed in the connection portion. byte.
The method according to claim 6,
The straight section of the connecting portion of the main body is formed in a polygon, the shelf bite characterized in that the straight section of the coupling hole of the bag holder is formed in a polygon corresponding to the shape of the straight section of the connecting portion.
The method according to claim 6,
The tapered section of the connecting portion of the main body is formed in a polygon, the shelf bite characterized in that the inclined section of the coupling hole of the bag holder is formed in a polygon corresponding to the tapered section of the connecting portion.
KR1020110109251A 2011-10-25 2011-10-25 Bite of lathe KR20130044904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110109251A KR20130044904A (en) 2011-10-25 2011-10-25 Bite of lathe

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Application Number Priority Date Filing Date Title
KR1020110109251A KR20130044904A (en) 2011-10-25 2011-10-25 Bite of lathe

Publications (1)

Publication Number Publication Date
KR20130044904A true KR20130044904A (en) 2013-05-03

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KR1020110109251A KR20130044904A (en) 2011-10-25 2011-10-25 Bite of lathe

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Country Link
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