CN207952663U - A kind of clamped cutting bit chip internal lathe-tool - Google Patents

A kind of clamped cutting bit chip internal lathe-tool Download PDF

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Publication number
CN207952663U
CN207952663U CN201820398881.0U CN201820398881U CN207952663U CN 207952663 U CN207952663 U CN 207952663U CN 201820398881 U CN201820398881 U CN 201820398881U CN 207952663 U CN207952663 U CN 207952663U
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China
Prior art keywords
knife
knife bar
blade
cutter head
point
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CN201820398881.0U
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Chinese (zh)
Inventor
孙盛丽
王伟
孙海珉
魏成双
赵祎昕
刘剑
姜秀英
岳云淼
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Harbin Turbine Co Ltd
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Harbin Turbine Co Ltd
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Priority to CN201820398881.0U priority Critical patent/CN207952663U/en
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Abstract

A kind of clamped cutting bit chip internal lathe-tool, belongs to Tool Design technical field.The utility model solves the problems, such as that existing processing efficiency is low when existing whole high speed steel material lathe tool processing valve disc endoporus, the cost of charp tool is high.It includes cutter hub, blade and holding screw, the cutter hub includes knife bar and cutter head, the cutter head is fixed in one end of knife bar, one end far from knife bar is machined with positioning shoulder on the one side of cutter head, and blade setting is in positioning shoulder, and blade and cutter head are affixed by holding screw, the blade includes the first point of a knife and the second point of a knife, two points of a knife are respectively positioned on outside cutter head, and the setting of knife bar axis is favoured close to the one side of knife bar on cutter head, and the blade is carbide chip.The utility model is used for the processing of valve disc endoporus.

Description

A kind of clamped cutting bit chip internal lathe-tool
Technical field
The utility model is related to a kind of lathe tools, and in particular to a kind of clamped cutting bit chip internal lathe-tool belongs to Tool Design skill Art field.
Background technology
Regulating valve is one of steam-turbine unit component, and valve disc 100 is a building block of regulating valve, 100 edge of valve disc It is axially machined with first through hole 101 and the second through-hole 102 successively, and the diameter of first through hole 101 is less than the straight of the second through-hole 102 Diameter, coaxial in the second through-hole 102 fixed there are one land 103, the periphery of land 103 and the inner headed faces of the second through-hole 102 to consolidate It is connected in one, the inner headed face of land 103 and the second through-hole 102 are coaxially disposed, and the two side of land 103 is symmetrically arranged oblique The central axis institute of face, each inclined-plane and land 103 at an acute angle is E, and E angles are 45 °, between land 103 and first through hole 101 The second through-hole 102 be known as endoporus, the bore depth is big, reach 210mm, and valve disc 100 processing when, need to first process land 103 inner headed face, then cutter pass through land 103 to process the one side wall of endoporus and land 103, and in the prior art, the endoporus It is generally processed using tool special, existing cutter is whole high speed steel material lathe tool, and not only processing efficiency is low, but also cutter It is of high cost, and because the influence of 103 side wall of land, cutter are easily interfered with land 103, influence the quality of valve disc 100.
Utility model content
The utility model existing processing when being to solve existing whole high speed steel material lathe tool processing valve disc endoporus The problem that efficiency is low, the cost of charp tool is high, and then provide a kind of clamped cutting bit chip internal lathe-tool.
Used technical solution is the utility model to solve above-mentioned technical problem:
A kind of clamped cutting bit chip internal lathe-tool, it includes cutter hub, blade and holding screw, and the cutter hub includes knife bar and knife Head, the cutter head are fixed in one end of knife bar, and one end far from knife bar is machined with positioning shoulder, blade setting on the one side of cutter head In positioning shoulder, and blade and cutter head are affixed by holding screw, and the blade includes the first point of a knife and the second point of a knife, the first knife Point and the second point of a knife are respectively positioned on outside cutter head, and the setting of knife bar axis is favoured close to the one side of knife bar on cutter head, and the blade is Carbide chip.
Further, knife bar is cuboid knife bar, and the first chamfering is machined on a rib of knife bar, first chamfering It is less than the length of knife bar close to the length of cutter head setting and first chamfering.
Further, the remote knife bar setting of the first point of a knife point, the second knife is close to be arranged from knife bar, the first point of a knife and the second point of a knife It is in line and favours the axis setting of knife bar.
Further, head base surface favours the rake face setting of blade, and institute between head base surface and blade rake face It is acute angle in angle.
Further, tool orthogonal rake B is 10 °.
Further, cutter primary clearance C is 8 °.
Further, cutter front clearance D is 5 °.
Further, the length × high size for positioning shoulder is 12.5 × 4mm.
Further, the cross dimensions of cuboid knife bar is 40 × 40mm, and the first chamfer dimesion is 23.5 × 45 °.
Further, blade root is machined with the second chamfering that size is 0.5 × 45 °.
The utility model has the following effects that compared with prior art:
Knife bar axis is favoured on cutter head close to the one side of knife bar to be arranged, the processing on land inclined-plane more conducively in valve disc, Effectively cutter head and the inclined-plane of valve disc land is avoided to interfere.
The utility model uses carbide chip, and compared with high-speed steel tool in the prior art, processing efficiency is at least Improve 50%;
Using mechanical clamped cutting blade structural shape, after blade abrasion is scrapped, new blade is only needed to change, it is whole to avoid cutter Cutter expense is greatly saved in the case where body is scrapped, and compared with monoblock type lathe tool in the prior art, the cost of charp tool is lower.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is enlarged diagram at the P of Fig. 1;
Fig. 3 is the A-A of Fig. 1 to schematic cross-sectional view (enlarged diagram);
Fig. 4 is schematic diagram when the utility model processes valve disc endoporus.
Specific implementation mode
Specific implementation mode one:Illustrate present embodiment in conjunction with Fig. 1~4, a kind of clamped cutting bit chip internal lathe-tool, it includes Cutter hub 1, blade 2 and holding screw 3, the cutter hub 1 include that knife bar 1-2 and cutter head 1-1, the cutter head 1-1 are fixed in knife bar 1-2 One end, one end far from knife bar 1-2 on the one side of cutter head 1-1 is machined with positioning shoulder 1-11, and the setting of blade 2 is in positioning shoulder 1- In 11, and blade 2 and cutter head 1-1 is affixed by holding screw 3, and the blade 2 includes the first point of a knife 2-1 and the second point of a knife 2-2, First point of a knife and the second point of a knife are respectively positioned on outside cutter head 1-1, and the one side on cutter head 1-1 close to knife bar 1-2 favours knife bar 1-2 axis Line is arranged, and the blade 2 is carbide chip.
One side on cutter head 1-1 close to knife bar 1-2 favours the setting of knife bar 1-2 axis, and more conducively land is oblique in valve disc The processing in face, the acute angle formed between the one side and knife bar 1-2 axis of knife bar 1-2 on cutter head 1-1 are F, and E<F has Effect avoids cutter head 1-1 and the inclined-plane of valve disc land from interfering.
New blade 2 is only needed to change, cutter is avoided after the abrasion of blade 2 is scrapped using mechanical clamped cutting blade structural shape The case where entirety is scrapped, is greatly saved cutter expense.
The first point of a knife 2-1 is used when processing endoporus, the second point of a knife 2-2 is used when processing land inclined-plane, is effectively increased interior The processing efficiency in hole and land inclined-plane.
The utility model uses carbide chip 2, and compared with high-speed steel tool in the prior art, processing efficiency is at least Improve 50%.
M3.5 threaded holes are offered on blade 2, for coordinating with holding screw 3.
Specific implementation mode two:Illustrate present embodiment in conjunction with Fig. 1,3, knife bar 1-2 is cuboid knife bar, and knife bar 1-2 A rib on be machined with the first chamfering 1-21, the first chamfering 1-21 close to cutter head 1-1 setting and the first chamfering 1- 21 length is less than the length of knife bar 1-2.So design, when turning inner hole, can effectively avoid knife bar 1-2 dry with valve disc endoporus It relates to, ensures processing quality.Other compositions are same as the specific embodiment one with connection relation.
Specific implementation mode three:Illustrate that present embodiment, the first point of a knife 2-1 are arranged far from knife bar 1-2 in conjunction with Fig. 1,4, the Two point of a knife 2-2 are arranged close to knife bar 1-2, and the first point of a knife 2-1 and the second point of a knife 2-2 are in line and favour the axis of knife bar 1-2 Setting.So design uses the first point of a knife 2-1 when processing endoporus, uses the second point of a knife 2-2 when processing land inclined-plane, effectively carries The high processing efficiency of endoporus and land inclined-plane, meanwhile, under machining state, two points of a knife institutes are between inclined-plane and the second through-hole wall The acute angle of formation is less than the acute angle formed between land inclined-plane and the second through-hole wall, so ensures when processing the second through-hole wall Second point of a knife 2-2 will not be interfered with hole wall, and when processing land inclined-plane, the first point of a knife 2-1 will not be done with land inclined-plane It relates to.Other compositions are the same as one or two specific embodiments with connection relation.
Specific implementation mode four:Illustrate that present embodiment, head base surface 1-12 favour the preceding knife of blade 2 in conjunction with Fig. 1,2 Face 2-4 is arranged, and be in angle is acute angle between head base surface 1-12 and the rake face 2-4 of blade 2.So design, cutter head bottom Face 1-12 is end faces of the cutter head 1-1 far from knife bar 1-2.Other compositions and connection relation and specific implementation mode one, two or Three is identical.
Specific implementation mode five:Illustrate that present embodiment, tool orthogonal rake B are 10 ° in conjunction with Fig. 1,2.It is other to form and connect Relationship is identical as specific implementation mode one, two, three or four.
Specific implementation mode six:Illustrate that present embodiment, cutter primary clearance C are 8 ° in conjunction with Fig. 1,2.It is other to form and connect Relationship is identical as specific implementation mode one, two, three, four or five.
Specific implementation mode seven:Illustrate that present embodiment, cutter front clearance D are 5 ° in conjunction with Fig. 1,2.It is other to form and connect Relationship is identical as specific implementation mode one, two, three, four, five or six.
Specific implementation mode eight:Illustrating present embodiment in conjunction with Fig. 1,2, length × high size of positioning shoulder 1-11 is 12.5 × 4mm.Other compositions are identical as specific implementation mode one, two, three, four, five, six or seven as connection relation.
Specific implementation mode nine:Illustrating present embodiment in conjunction with Fig. 1,3, the cross dimensions of cuboid knife bar 1-2 is 40 × 40mm, the first chamfering 1-21 sizes are 23.5 × 45 °.So design, cutter is with 40 × 40mm square tail location and installations in machine tool On frame.Other compositions are identical as specific implementation mode one, two, three, four, five, six, seven or eight as connection relation.
Specific implementation mode ten:Illustrate present embodiment in conjunction with Fig. 1,2, it is 0.5 × 45 ° that 2 root of blade, which is machined with size, The second chamfering 2-3.So design, the second chamfering 2-3 are technique chamfering, and blade 2 is made to can be closely adhered to positioning shoulder 1-11 Root.Other compositions are identical as specific implementation mode one, two, three, four, five, six, seven, eight or nine as connection relation.

Claims (10)

1. a kind of clamped cutting bit chip internal lathe-tool, it is characterised in that:It includes cutter hub (1), blade (2) and holding screw (3), institute It includes knife bar (1-2) and cutter head (1-1) to state cutter hub (1), and the cutter head (1-1) is fixed in one end of knife bar (1-2), cutter head (1- 1) one end far from knife bar (1-2) is machined with positioning shoulder (1-11) on one side, and blade (2) setting is in positioning shoulder (1-11) It is interior, and blade (2) and cutter head (1-1) are affixed by holding screw (3), the blade (2) includes the first point of a knife (2-1) and second Point of a knife (2-2), the first point of a knife (2-1) and the second point of a knife (2-2) are respectively positioned on cutter head (1-1) outside, close to knife bar on cutter head (1-1) The one side of (1-2) favours the setting of knife bar (1-2) axis, and the blade (2) is carbide chip.
2. a kind of clamped cutting bit chip internal lathe-tool according to claim 1, it is characterised in that:Knife bar (1-2) is cuboid Knife bar, and the first chamfering (1-21) is machined on a rib of knife bar (1-2), first chamfering (1-21) is close to cutter head (1- 1) length of setting and first chamfering (1-21) is less than the length of knife bar (1-2).
3. a kind of clamped cutting bit chip internal lathe-tool according to claim 1 or 2, it is characterised in that:First point of a knife (2-1) is remote It is arranged from knife bar (1-2), the second point of a knife (2-2) is arranged close to knife bar (1-2), the first point of a knife (2-1) and the second point of a knife (2-2) institute It is in line and favours the axis setting of knife bar (1-2).
4. a kind of clamped cutting bit chip internal lathe-tool according to claim 3, it is characterised in that:Head base surface (1-12) tilts Rake face (2-4) in blade (2) is arranged, and be in angle between head base surface (1-12) and the rake face (2-4) of blade (2) For acute angle.
5. a kind of clamped cutting bit chip internal lathe-tool according to claim 1,2 or 4, it is characterised in that:Tool orthogonal rake (B) is 10°。
6. a kind of clamped cutting bit chip internal lathe-tool according to claim 5, it is characterised in that:Cutter primary clearance (C) is 8 °.
7. a kind of clamped cutting bit chip internal lathe-tool according to claim 1,2,4 or 6, it is characterised in that:Cutter front clearance (D) it is 5 °.
8. a kind of clamped cutting bit chip internal lathe-tool according to claim 7, it is characterised in that:The length of positioning shoulder (1-11) × High size is 12.5 × 4mm.
9. a kind of clamped cutting bit chip internal lathe-tool according to claim 2,4,6 or 8, it is characterised in that:Cuboid knife bar The cross dimensions of (1-2) is 40 × 40mm, and the first chamfering (1-21) size is 23.5 × 45 °.
10. a kind of clamped cutting bit chip internal lathe-tool according to claim 9, it is characterised in that:Blade (2) root is machined with The second chamfering (2-3) that size is 0.5 × 45 °.
CN201820398881.0U 2018-03-22 2018-03-22 A kind of clamped cutting bit chip internal lathe-tool Active CN207952663U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820398881.0U CN207952663U (en) 2018-03-22 2018-03-22 A kind of clamped cutting bit chip internal lathe-tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820398881.0U CN207952663U (en) 2018-03-22 2018-03-22 A kind of clamped cutting bit chip internal lathe-tool

Publications (1)

Publication Number Publication Date
CN207952663U true CN207952663U (en) 2018-10-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109894639A (en) * 2019-04-25 2019-06-18 哈尔滨汽轮机厂有限责任公司 A kind of lathe tool and its processing method for processing groove

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109894639A (en) * 2019-04-25 2019-06-18 哈尔滨汽轮机厂有限责任公司 A kind of lathe tool and its processing method for processing groove

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