CN206343677U - A kind of stainless steel screw tap - Google Patents
A kind of stainless steel screw tap Download PDFInfo
- Publication number
- CN206343677U CN206343677U CN201621427733.4U CN201621427733U CN206343677U CN 206343677 U CN206343677 U CN 206343677U CN 201621427733 U CN201621427733 U CN 201621427733U CN 206343677 U CN206343677 U CN 206343677U
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- metal
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- shank
- cone
- screw tap
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Abstract
The utility model discloses a kind of stainless steel screw tap, including metal blade and metal shank, their disjunctors, screw tap is in cylindrical shape, laterally disposed；The right part of metal shank is lathed to the right technique tip of cone；Square toes are lathed on metal shank, in the left side of right technique tip；The left part of metal shank is lathed to 30 ° of chamferings of a circle, forms middle cone；The left side connection metal blade of metal shank；On metal blade, from left to right dig have three helicla flutes, be evenly distributed on metal blade, correspondingly form three circular knife bands；Metal blade left part by relief grinding into cone left technique tip；On metal blade, in the right of left technique tip, by relief grinding into left cone；The bottom land of three helicla flutes is all arcuate bottom, it is ensured that the core thickness of screw tap reaches 5mm；In three knife-band, relief grinding goes out relief grinding between sword tooth, adjacent two sword teeth and goes out sword groove respectively；Each autogenous grinding in left side outer ring of three circular knife bands has blade, blade.
Description
Technical field
The utility model belongs to a kind of stainless steel screw tap, specifically a kind of to be used in machining, manufacturing industry
New tool --- Two-end Tap Applied, with three helicla flutes.
Background technology
It is well known that machine-building, one is to need lathe, and two be the instrument for needing to manufacture, and Neither of the two can be dispensed.20th century
Famous instrument " Ni Zhifu drill ", once won glory for the motherland, and Ni Zhifu comrade also turns into the outstanding representative of workman, served as national total
Chairman of the Labor Union.It can be seen that the importance of manufacturing industry good tool, good tool can just produce product.With Chinese machinery industry
Obtain unprecedented development, the demand of metal cutting tool increasingly increases, it is necessary to which preferably instrument such as Two-end Tap Applied expires
The development of the existing production of foot.Generally, the regular tap being processed to metal material, due to designing incorrect, unreasonable structure,
The reason such as size is wrong, makes screw tap processing technology not reach requirement, poor product quality does not improve grade, and value is low, uses the longevity
Life is short, it is therefore desirable to carries out Fine design, innovation to this common screw tap, forms a kind of Two-end Tap Applied, process it
Quality is good, and product is superior, and utilization rate is high, designs correct, rational in infrastructure, can make Two-end Tap Applied normal operation at work, works
Performance is good, and running effect is good, so that it is guaranteed that working stability is in place, machining accuracy is high, and service life is long；Overcome regular tap
Wrong, unreasonable structure is designed, causes to process not in place, poor product quality, utilization rate is low, often occurs tipping, blunt mouth etc. and lack
Fall into.
The content of the invention
In order to overcome regular tap to design wrong, unreasonable structure, cause to process not in place, poor product quality, utilization rate
It is low, often occur the defects such as tipping, blunt mouth, the utility model provides a kind of stainless steel screw tap, and it is a kind of Two-end Tap Applied, tool
Have three helicla flutes, design correct, rational in infrastructure, can normal operation at work, be connected firmly, favorable working performance, operating effect
Really good, so that it is guaranteed that working stability is in place, machining accuracy is high, and keen edge, service life is long.
Technical scheme：A kind of stainless steel screw tap, including metal blade and metal shank, metal blade connect with metal shank
Body, steel edge portion be located at screw tap left part, metal shank be located at screw tap right part, it is characterised in that screw tap in cylindrical shape,
It is laterally disposed in the example shown；The circle diameter of metal shank is 11mm；Cone is lathed in the right part of metal shank
Right technique tip, the angle of right technique tip is 75 °, and the left and right length of right technique tip is 7mm；On metal shank and in
The left side of right technique tip is lathed to square toes, and the length on four sides in the section of square toes is all 9mm, the left and right length of square toes
For 13mm, the left and right length for making metal shank is 86mm；30 ° of chamferings of a circle, chamfering are lathed in the left part of metal shank
Distance is 1mm, forms cone in the middle of one, and the circle diameter for making the left side of metal shank is 9mm；The left side of metal shank connects
Metal blade is connect, the excircle diameter of metal blade is also 9mm；On metal blade, excavation has three helicla flutes from left to right,
Its helical angle is 40 °, and three helicla flutes are evenly distributed on metal blade, and correspondingly form three circular knife bands；In gold
Belong to blade left part by relief grinding into the left technique tip of cone, the angle of left technique tip is 75 °, a left side for left technique tip,
Right length is 6mm；Again on metal blade and in the right of left technique tip, by relief grinding into a left cone, the shovel of formation
Angle lap is 15 °, and the left and right length of left cone is 3.5mm；So, the left and right length of metal blade is made to reach 43mm；Three
The bottom land of helicla flute can be arcuate bottom, and this three arcuate bottoms will ensure that the core thickness of screw tap reaches 5mm；In three knife-band,
Relief grinding goes out relief grinding between a sword tooth, adjacent two sword teeth and goes out a sword groove respectively；Sword tooth is in trapezoid shape, and sword groove is in
Reverse trapezoid shape；The height of sword tooth and sword groove can be 1-1.6mm；The angle of left and right two hypotenuses of sword groove is 60 °；Refer to
Go out：Each autogenous grinding in left side outer ring of three circular knife bands has blade, and the relief grinding amount of blade is 1--1.4mm, and wearing into tap anterior angle is
8 ° -12 °, tread is set to reach 4--5mm；A kind of stainless steel screw tap can make of materials such as high-quality stainless steels.
The beneficial effects of the utility model are：There is provided a kind of stainless steel screw tap, it is a kind of Two-end Tap Applied, with three
Bar helicla flute, designs correct, rational in infrastructure, can normal operation at work, be connected firmly, favorable working performance, running effect is good,
So that it is guaranteed that working stability is in place, machining accuracy is high, and keen edge, service life is long.Regular tap is overcome to design wrong, structure
It is unreasonable, cause to process not in place, poor product quality, utilization rate is low, often occurs the defects such as tipping, blunt mouth, can meet enterprise
The production of industry, expands the social demand of product.
Brief description of the drawings
A kind of structural representations of the main view of stainless steel screw tap of Fig. 1
A kind of left view structural representations of the amplification of stainless steel screw tap of Fig. 2
The A-A cross-sectional views that a kind of right side of stainless steel screw taps of Fig. 3 is regarded
The part-structure schematic diagram of a kind of sword teeth of the amplification of stainless steel screw tap of Fig. 4 and sword groove
Embodiment
The utility model is further described below in conjunction with the accompanying drawings：
A kind of stainless steel screw tap, including metal blade 2 and metal shank 1, metal blade 2 and the disjunctor of metal shank 1, metal
Blade 2 is located at the left part of screw tap, and metal shank 1 is located at the right part of screw tap, it is characterised in that screw tap is in cylindrical shape, in diagram
In it is laterally disposed；The circle diameter of metal shank 1 is 11mm；The right part of metal shank 1 is lathed to the right technique of cone
Tip 9, the angle of right technique tip 9 is 75 °, and the left and right length of right technique tip 9 is 7mm；On metal shank 1 and in
The left side of right technique tip 9 is lathed to square toes 8, and the length 16 on four sides in the section of square toes 8 is all 9mm, a left side for square toes 8,
Right length is 13mm, and the left and right length for making metal shank 1 is 86mm；30 ° of a circle is lathed in the left part of metal shank 1
Chamfering 4, chamfering distance is 1mm, forms cone in the middle of one, and the circle diameter for making the left side of metal shank 1 is 9mm；Metal
The left side connection metal blade 2 of shank 1, the excircle diameter of metal blade 2 is also 9mm；On metal blade 2, from left to right
Excavation has three helicla flutes 5, and its helical angle 7 is 40 °, and three helicla flutes 5 are evenly distributed on metal blade 2, and correspondingly
Form three circular knife bands 13；The left part of metal blade 2 by relief grinding into cone left technique tip 6, left technique tip 6
Angle is 75 °, and the left and right length of left technique tip 6 is 6mm；On metal blade 2 and in the right of left technique tip 6, quilt
Relief grinding is into a left cone 3, and the relief grinding angle 10 of formation is 15 °, and the left and right length of left cone 3 is 3.5mm；So, gold is made
The left and right length of category blade 2 reaches 43mm；The bottom land of three helicla flutes 5 is all arcuate bottom, and this three arcuate bottoms ensure screw tap
Core thickness 11 reaches 5mm；In three knife-band 13, relief grinding goes out relief grinding between a sword tooth 18, adjacent two sword teeth 18 respectively
Go out a sword groove 19；Sword tooth 18 is in trapezoid shape, and sword groove 19 is in reverse trapezoid shape；The height of sword tooth 18 and sword groove 19 is
1.3mm；The angle 17 of left and right two hypotenuses of sword groove 19 is 60 °；It may be noted that：The left side outer ring of three circular knife bands 13 is each
Autogenous grinding has blade, and the relief grinding amount 14 of blade is 1.2mm, wears into tap anterior angle 15 for 12 °, tread 12 is reached 4.5mm；It is a kind of stainless
Steel wire cone makes of high-quality stainless steel material.
Claims (1)
1. a kind of stainless steel screw tap, including metal blade (2) and metal shank (1), metal blade (2) connect with metal shank (1)
Body, metal blade (2) is located at the left part of screw tap, and metal shank (1) is located at the right part of screw tap, it is characterised in that screw tap is in cylinder
It is shape, laterally disposed；The circle diameter of metal shank (1) is 11mm；The right part of metal shank (1) is lathed to cone
Right technique tip (9), the angle of right technique tip (9) is 75 °, and the left and right length of right technique tip (9) is 7mm；In metal handle
Square toes (8), the length on four sides in the section of square toes (8) are lathed in portion (1) and in the left side of right technique tip (9)
(16) all it is 9mm, the left and right length of square toes (8) is 13mm, and the left and right length of metal shank (1) is 86mm；In metal shank
(1) left part is lathed to 30 ° of chamferings (4) of a circle, and chamfering distance is 1mm, forms cone in the middle of one, metal shank
(1) circle diameter on the left side is 9mm；The left side connection metal blade (2) of metal shank (1), the excircle of metal blade (2)
A diameter of 9mm；On metal blade (2), excavation has three helicla flutes (5) from left to right, and its helical angle (7) is 40 °, three spiral shells
Spin slot (5) is evenly distributed on metal blade (2), correspondingly forms three circular knife bands (13)；It is left in metal blade (2)
End is by relief grinding into the left technique tip (6) of cone, and the angle of left technique tip (6) is 75 °, a left side for left technique tip (6),
Right length is 6mm；On metal blade (2) and in the right of left technique tip (6), by relief grinding into a left cone (3),
The relief grinding angle (10) of formation is 15 °, and the left and right length of left cone (3) is 3.5mm；The left and right length of metal blade (2) reaches
To 43mm；The bottom land of three helicla flutes (5) is all arcuate bottom, it is ensured that the core of screw tap thick (11) reaches 5mm；In three knife-band (13)
On, relief grinding goes out relief grinding between sword tooth (18), adjacent two sword teeth (18) and goes out a sword groove (19) respectively；Sword tooth (18) is in trapezoid
Shape, sword groove (19) is in reverse trapezoid shape；The height of sword tooth (18) and sword groove (19) is 1.3mm；Left and right two of sword groove (19)
The angle (17) of hypotenuse is 60 °；Each autogenous grinding in left side outer ring of three circular knife bands (13) has blade, and the relief grinding amount (14) of blade is
1.2mm, it is 12 ° to wear into tap anterior angle (15), and tread (12) reaches 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427733.4U CN206343677U (en) | 2016-12-23 | 2016-12-23 | A kind of stainless steel screw tap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621427733.4U CN206343677U (en) | 2016-12-23 | 2016-12-23 | A kind of stainless steel screw tap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206343677U true CN206343677U (en) | 2017-07-21 |
Family
ID=59317435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621427733.4U Active CN206343677U (en) | 2016-12-23 | 2016-12-23 | A kind of stainless steel screw tap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206343677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475606A (en) * | 2016-12-23 | 2017-03-08 | 平湖市山特螺纹工具有限公司 | A kind of rustless steel screw tap |
-
2016
- 2016-12-23 CN CN201621427733.4U patent/CN206343677U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475606A (en) * | 2016-12-23 | 2017-03-08 | 平湖市山特螺纹工具有限公司 | A kind of rustless steel screw tap |
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| GR01 | Patent grant |