CN107855564A - A kind of tailstock knife bar and the process using its processing deep and long hole - Google Patents
A kind of tailstock knife bar and the process using its processing deep and long hole Download PDFInfo
- Publication number
- CN107855564A CN107855564A CN201711020679.0A CN201711020679A CN107855564A CN 107855564 A CN107855564 A CN 107855564A CN 201711020679 A CN201711020679 A CN 201711020679A CN 107855564 A CN107855564 A CN 107855564A
- Authority
- CN
- China
- Prior art keywords
- cutter
- tailstock
- knife bar
- clamping
- clamping portion
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/02—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for boring deep holes; Trepanning, e.g. of gun or rifle barrels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B43/00—Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool
- B23B43/02—Boring or drilling devices able to be attached to a machine tool, whether or not replacing an operative portion of the machine tool to the tailstock of a lathe
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/12—Adapters for drills or chucks; Tapered sleeves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The process of deep and long hole is processed the invention discloses a kind of tailstock knife bar and using it, the knife bar clamping part being adapted for the cutter clamping portion of clamping cutter and the other end positioned at cutter bar body with tailstock tool including cutter bar body, positioned at cutter bar body one end, the cutter bar body, cutter clamping portion and knife bar clamping part three are coaxial integrative-structure；Wherein described arbor holder, which is held, has Morse taper body in portion, the Morse's taper of the Morse taper body is No. 6 Morse's tapers.The tailstock knife bar of the present invention can be directly applied on existing lathe, for processing deep and long hole, effectively save processing cost, saved the process-cycle, improved processing efficiency.
Description
Technical field
The method of part, more particularly to a kind of tailstock knife bar and utilization are processed the present invention relates to a kind of frock and its using it
It processes the process of deep and long hole.
Background technology
Due to processing the limitation of deep and long hole on existing CW6180B and CW61125E horizontal lathes, when processing deep and long hole,
The deep and long hole producer processing of external coordination specialty is needed, can not directly be processed on existing lathe, processing cost virtually improves, seriously
Influence production cycle and cost.
It would therefore be highly desirable to solve the above problems.
The content of the invention
Goal of the invention：The first object of the present invention, which is to provide one kind, to process compared with deep and long hole, and has concurrently high-precision and preferable
The tailstock knife bar of balance.
The second object of the present invention is to provide the process using tailstock knife bar processing deep and long hole.
Technical scheme：To realize object above, the present invention discloses a kind of tailstock knife bar, including cutter bar body, positioned at knife bar
Body one end is adapted for the cutter clamping portion of clamping cutter and the other end positioned at cutter bar body with tailstock tool
Knife bar clamping part, the cutter bar body, cutter clamping portion and knife bar clamping part three are coaxial integrative-structure；Wherein described knife bar
There is Morse taper body on clamping part.
Wherein, the big tapering of the Morse taper body has had the transition part of self-locking action, the length L of the transition part2For
6mm~12mm.
Preferably, the contact area of the Morse taper body and tailstock tool is not less than 85%.
Preferably, the outer wall in the cutter clamping portion is cylindrical structure, excircle and the Morse taper body of the cylinder
Concentric angle value≤0.02mm.
Furthermore the cross cutter groove for clamping cutter is offered in the cutter clamping portion.
Further, there is cutter in the cross cutter groove, and be fixed on by pressing plate in cutter clamping portion.
Preferably, the outer diameter D in the cutter clamping portion2More than the outer diameter D of cutter bar body3, the outer diameter D of the cutter bar body3For
60mm。
Further, the trailing end outer diameter D of the knife bar clamping part4For 19mm.
Preferably, the length sum L of the cutter bar body, cutter clamping portion and knife bar clamping part is 778mm.
A kind of process that deep and long hole is processed using tailstock knife bar of the present invention, is comprised the following steps：
A, by parts fixation on lathe, prebored hole is drilled through on part by drill bit；
B, the Morse taper body of tailstock knife bar is arranged in tailstock tool Morse internal taper hole；
C, cutter is fixed in the cutter clamping portion of tailstock knife bar, each cutter is adjusted according to the aperture size of deep and long hole
Extension elongation, make its extension elongation consistent and cutting edge be towards relative with part direction of rotation；
D, deep and long hole is processed to setting value by the manual feed of rotating tailstock handle.
Beneficial effect：Compared with prior art, the present invention has following remarkable advantage：(1) tailstock knife of the invention first
Bar can be directly applied on existing lathe, for processing deep and long hole, effectively save processing cost, saved the process-cycle, improved and add
Work efficiency rate；(2) secondly cutter is in cross equispaced on tailstock knife bar in the present invention, and tailstock knife bar is with small vibration during cutting, balance
It is good, greatly improve the machining accuracy of deep and long hole；(3) furthermore when tailstock knife bar and lathe tailstock coordinate in the presence of between certain
Gap, the transition part of Morse taper body can allow cone fully to coordinate with lathe tailstock, play a part of Morse's taper self-locking；(4) most
Tailstock knife bar of the invention is versatile afterwards, is applicable in the existing horizontal lathe of more moneys, for processing peculiar part.
Brief description of the drawings
Fig. 1 is the front view of tailstock knife bar in the present invention；
Fig. 2 is Fig. 1 partial enlarged drawing；
Fig. 3 is the side view of tailstock knife bar in the present invention；
Fig. 4 is Cutting tool installation manner schematic diagram in the present invention；
Fig. 5 is part machining sketch chart in the present invention.
Embodiment
Technical scheme is described further below in conjunction with the accompanying drawings.
As described in Figure 1, a kind of tailstock knife bar of the present invention, including cutter bar body 1, the cutter positioned at the one end of cutter bar body 1 fill
Folder portion 2 and the other end knife bar clamping part 3 positioned at cutter bar body 1, cutter bar body 1, cutter clamping portion 2 and knife bar clamping part 3 three
Person is coaxial integrative-structure.
As shown in Figures 2 and 3, cutter clamping portion 2 is used for clamping cutter 4, is offered in the cutter clamping portion 2 for clamping
The cross cutter groove 201 of cutter, there is cutter 4 in cross cutter groove 201, and by being pressed in screw-driving cutter clamping portion 2
Plate 6 realizes the fixation of cutter, as shown in Figure 4.The outer diameter D in the cutter clamping portion 2 of the present invention2More than the outer diameter D of cutter bar body 13,
The wherein outer diameter D of cutter bar body 13Preferably 60mm, the outer diameter D in cutter clamping portion 22Preferably 110mm.
What the knife bar clamping part 3 of the present invention was adapted with tailstock tool 5, there is Morse taper wherein on knife bar clamping part 3
Body 301.Can be preferential according to the Morse's taper of different lathe models selection adaptation, the Morse's taper of the Morse taper body in the present invention
From No. 6 Morse's tapers, wherein taper ratio is 1:19.18, taper half-angle is 2 ° 59 ' 12 ", the outer diameter D of Morse taper body1For φ
63.34mm, the length L of Morse taper body1For 170mm.Wherein, the contact area of Morse taper body and tailstock tool 5 is not less than
85%.The outer wall in the cutter clamping portion 2 of the present invention is cylindrical structure, and the excircle of the cylinder is concentric with Morse taper body
Angle value≤0.02mm.The big tapering of Morse taper body 301 has had the transition part 302 of self-locking action, the length of the transition part 302
L2For 8mm~.Cone can be allowed to fill in the presence of certain gap, the transition part of Morse taper body when tailstock knife bar coordinates with lathe tailstock
Divide and coordinate with lathe tailstock, play a part of Morse's taper self-locking.The trailing end outer diameter D of knife bar clamping part 34For 19mm.The present invention
The length sum L of cutter bar body 1, cutter clamping portion 2 and knife bar clamping part 3 is 778mm.
A kind of process that deep and long hole is processed using tailstock knife bar of the present invention, is comprised the following steps：
A, by the clamping of part 7 on lathe, prebored hole is drilled through on part 7 by drill bit；
B, the Morse taper body of tailstock knife bar is arranged in the Morse internal taper hole of tailstock tool 5；
C, cutter 4 is fixed in the cutter clamping portion 2 of tailstock knife bar, each knife is adjusted according to the aperture size of deep and long hole
The extension elongation of tool 4, makes its extension elongation unanimously and cutting edge direction is relative with the direction of rotation of part 7；
D, deep and long hole is processed to setting value, deburring by the 8 manual feed of rotating tailstock handle.
Depth in the present invention when hole can be continued then beyond the length of tailstock knife bar by adjusting the position of tailstock tool
Part is adjusted side to boring by turning.The deep and long hole of required processing can be divided into several steps, by cutter by each inner bore of step
Aperture come adjust point of a knife stretching distance, meet processing request.
Claims (10)
- A kind of 1. tailstock knife bar, it is characterised in that：It is used for clamping knife including cutter bar body (1), positioned at cutter bar body (1) one end The knife bar clamping that the cutter clamping portion (2) of tool (4) and the other end positioned at cutter bar body (1) are adapted with tailstock tool (5) Portion (3), the cutter bar body (1), cutter clamping portion (2) and knife bar clamping part (3) three are coaxial integrative-structure；It is wherein described There is Morse taper body (301) on knife bar clamping part (3).
- 2. tailstock knife bar according to claim 1, it is characterised in that：The big tapering of the Morse taper body (301) has Play the transition part (302) of self-locking action, the length L of the transition part (302)2For 6mm~12mm.
- 3. tailstock knife bar according to claim 1, it is characterised in that：The Morse taper body connects with tailstock tool (5) Contacting surface product is not less than 85%.
- 4. tailstock knife bar according to claim 1, it is characterised in that：The outer wall of the cutter clamping portion (2) is cylinder Structure, the excircle of the cylinder and concentric angle value≤0.02mm of Morse taper body.
- 5. tailstock knife bar according to claim 1, it is characterised in that：Offered on the cutter clamping portion (2) for filling Press from both sides the cross cutter groove (201) of cutter.
- 6. tailstock knife bar according to claim 5, it is characterised in that：There is cutter in the cross cutter groove (201) (4), and by pressing plate (6) it is fixed in cutter clamping portion (2).
- 7. tailstock knife bar according to claim 1, it is characterised in that：The outer diameter D of the cutter clamping portion (2)2More than knife bar The outer diameter D of body (1)3, the outer diameter D of the cutter bar body (1)3For 60mm.
- 8. tailstock knife bar according to claim 1, it is characterised in that：The trailing end outer diameter D of the knife bar clamping part (3)4For 19mm。
- 9. tailstock knife bar according to claim 1, it is characterised in that：The cutter bar body (1), cutter clamping portion (2) and The length sum L of knife bar clamping part (3) is 778mm.
- 10. utilize the process of any described tailstock knife bar processing deep and long hole of claim 1~9, it is characterised in that including Following steps：A, by part (7) clamping on lathe, prebored hole is drilled through on part (7) by drill bit；B, the Morse taper body of tailstock knife bar is arranged in tailstock tool (5) Morse internal taper hole；C, cutter (4) is fixed in the cutter clamping portion (2) of tailstock knife bar, each knife is adjusted according to the aperture size of deep and long hole Have the extension elongation of (4), make its extension elongation unanimously and cutting edge direction is relative with part (7) direction of rotation；D, deep and long hole is processed to setting value by the manual feed of rotating tailstock handle (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020679.0A CN107855564A (en) | 2017-10-27 | 2017-10-27 | A kind of tailstock knife bar and the process using its processing deep and long hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711020679.0A CN107855564A (en) | 2017-10-27 | 2017-10-27 | A kind of tailstock knife bar and the process using its processing deep and long hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107855564A true CN107855564A (en) | 2018-03-30 |
Family
ID=61696892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711020679.0A Pending CN107855564A (en) | 2017-10-27 | 2017-10-27 | A kind of tailstock knife bar and the process using its processing deep and long hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107855564A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108307A (en) * | 2018-10-16 | 2019-01-01 | 中铁隆昌铁路器材有限公司 | Hexagonal process tool and processing technology in a kind of novel shield bolt head |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201427191Y (en) * | 2009-07-08 | 2010-03-24 | 攀枝花新钢钒股份有限公司 | Multi-edge boring cutter |
| CN102990117A (en) * | 2011-09-16 | 2013-03-27 | 威海中复西港船艇有限公司 | Floating boring device for lathe |
| CN103009065A (en) * | 2012-12-14 | 2013-04-03 | 六安瑞普数控装备有限公司 | Polygonal compound turn-milling machining device |
| CN104827298A (en) * | 2015-05-29 | 2015-08-12 | 三峡大学 | Rebar thread rolling machine with end face cutting function |
| CN205289769U (en) * | 2015-11-30 | 2016-06-08 | 潍柴重机股份有限公司 | Boring milling cutter |
-
2017
- 2017-10-27 CN CN201711020679.0A patent/CN107855564A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201427191Y (en) * | 2009-07-08 | 2010-03-24 | 攀枝花新钢钒股份有限公司 | Multi-edge boring cutter |
| CN102990117A (en) * | 2011-09-16 | 2013-03-27 | 威海中复西港船艇有限公司 | Floating boring device for lathe |
| CN103009065A (en) * | 2012-12-14 | 2013-04-03 | 六安瑞普数控装备有限公司 | Polygonal compound turn-milling machining device |
| CN104827298A (en) * | 2015-05-29 | 2015-08-12 | 三峡大学 | Rebar thread rolling machine with end face cutting function |
| CN205289769U (en) * | 2015-11-30 | 2016-06-08 | 潍柴重机股份有限公司 | Boring milling cutter |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109108307A (en) * | 2018-10-16 | 2019-01-01 | 中铁隆昌铁路器材有限公司 | Hexagonal process tool and processing technology in a kind of novel shield bolt head |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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Application publication date: 20180330 |