CN207479764U - A kind of screw cutter - Google Patents

A kind of screw cutter Download PDF

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Publication number
CN207479764U
CN207479764U CN201721401327.5U CN201721401327U CN207479764U CN 207479764 U CN207479764 U CN 207479764U CN 201721401327 U CN201721401327 U CN 201721401327U CN 207479764 U CN207479764 U CN 207479764U
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CN
China
Prior art keywords
cutting edge
knife
cutter
screw
handle
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Active
Application number
CN201721401327.5U
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Chinese (zh)
Inventor
王毅
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ACCESS PRECISION TOOLS (SUZHOU) Co Ltd
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ACCESS PRECISION TOOLS (SUZHOU) Co Ltd
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Priority to CN201721401327.5U priority Critical patent/CN207479764U/en
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Abstract

The utility model is related to a kind of threading tool more particularly to a kind of screw cutters.A kind of screw cutter, the cutter head for cutting workpiece including the handle of a knife being wholely set and knife bar and set on knife bar front end, the cutter head includes the first cutting edge, the second cutting edge, third cutting edge, the 4th cutting edge and the 5th cutting edge, the blade tip angle angle of 4th cutting edge is 60 °, and its point of a knife displacement arc, the arc radius is 0.23 ㎜, and the third cutting edge is arranged between the second cutting edge and the 4th cutting edge.The utility model uses monodentate screw cutter, it is small that it occupies processing space, when in use without multiple feed, manpower and materials have been saved, have reduced time cost, have effectively improved screw thread process efficiency, it simultaneously can be to screw chasing one-pass molding, simplify processing flow, further improve processing efficiency and processing performance, while ensure that the surface smoothness of workpieces processing.

Description

A kind of screw cutter
Technical field
The utility model is related to a kind of threading tool more particularly to a kind of screw cutters.
Background technology
Common screw cutter is screw cutter and rack blade type screw cutter, has 5-7 serrated knife point screw threads, can be with one It is secondary to machine screw thread.The general processing flow of multiple tooth screw cutter is to be covered with screw thread process tooth on the cutting edge of screw cutter, By the three-shaft linkage of numerically-controlled machine tool, carry out spiral interpolation using formed threading tool and form screw thread, cutter is processed along helix Screw thread process can be completed within one week, can also rotate more and reach screw thread requirement depth several weeks.In order to ensure the intensity of milling cutter, often Knife bar occupies more processing space, leads to the reduction of chip space, be easy to cause tool wear and crumbles, and chip removal has some setbacks appearance The abrasion of cutter is easily caused, cutting-tool's used life is reduced, needs tool changing deburring chamfering again, reduce production efficiency.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of service life it is long, it is high in machining efficiency, cutting product light The high screw cutter of cleanliness.
In order to solve the above-mentioned technical problem, technical solution is used by the utility model solves its technical problem:
A kind of screw cutter, including the handle of a knife being wholely set and knife bar and set on knife bar front end for cutting workpiece Cutter head, the cutter head includes the first cutting edge, the second cutting edge, third cutting edge, the 4th cutting edge and the 5th cutting edge, described The blade tip angle angle of 4th cutting edge is 60 °, and its point of a knife displacement arc, and the arc radius is 0.23 ㎜, and the third is cut Sword is cut to be arranged between the second cutting edge and the 4th cutting edge.
The 5th cutting edge front end is equipped with circular arc chamfering sword on the cutter head.
The knife bar front end offers chip pocket, and the chip pocket includes the first chip face and the second chip face, and described the One chip face and the second chip face are set in 120 ° of angles.
A connecting portion, the transiting rod that the connecting portion has inner concave arc surface for one are equipped between the handle of a knife and guide rod.
A connecting portion is equipped between the handle of a knife and guide rod, the connecting portion has the transiting rod faced directly for one.
A diameter of 6 ㎜ of the handle of a knife, a diameter of 4.2 ㎜ of the knife bar.
It is set between first cutting edge and plane Y-axis in 0 ° of -25 ° of angle, the 5th cutting edge is in plane Y-axis 30 ° of angle settings.
The blade tip angle angle of second cutting edge is 65 °, and its point of a knife displacement arc, and the arc radius is 0.16 ㎜。
The total length of the screw cutter is 50 ㎜.
The handle of a knife, knife bar and cutter head are an integral molding structure, and the material of the handle of a knife, knife bar and cutter head is closed for hard Gold.
It can be seen from the above technical scheme that the utility model uses monodentate screw cutter, occupancy processing space is small, When in use without multiple feed, manpower and materials are saved, have reduced time cost, have effectively improved screw thread process efficiency, simultaneously Screw chasing one-pass molding can be simplified processing flow, further improve processing efficiency and processing performance, while ensure that and add The surface smoothness of work workpiece.
Description of the drawings
Fig. 1 is a kind of screw cutter structure diagram of the utility model.
Fig. 2 is the vertical view figure of the utility model knife bar.
Fig. 3 is the enlarged diagram that A goes out in Fig. 1.
Reference sign:1- handle of a knifes, 2- connecting portions, 3- knife bars, 4- cutter heads, the first cutting edges of 41-, 42- second are cut Sword, 43- thirds cutting edge, the 4th cutting edges of 44-, the 5th cutting edges of 45-, 5- chip pockets.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Refering to Fig. 1, Fig. 2, a kind of screw cutter, including the handle of a knife 1 being wholely set and knife bar 3 and set on 3 front end of knife bar The cutter head 4 for cutting workpiece, the cutter head 4 includes the first cutting edge 41, the second cutting edge 42, third cutting edge 43, the Four cutting edges 44 and the 5th cutting edge 45, the blade tip angle angle of the 4th cutting edge 44 is 60 °, and its point of a knife displacement arc, The arc radius is 0.23 ㎜, and the third cutting edge 43 is arranged between the second cutting edge 42 and the 4th cutting edge 44.
45 front end of the 5th cutting edge is equipped with circular arc chamfering sword on the cutter head 4, and the circular arc chamfering sword of setting can be used as screw thread The cutter protection of milling cutter prevents from damaging cutter in cutting, ensures processing efficiency.
3 front end of knife bar offers chip pocket 5, and the chip pocket 5 includes the first chip face and the second chip face, described First chip face and the second chip face are set in 120 ° of angles.
The chip pocket 5 opened up on knife bar 3, chip removal is convenient, high in machining efficiency.
A connecting portion 2, the transiting rod that the connecting portion 2 has inner concave arc surface for one are equipped between the handle of a knife 1 and guide rod.
A connecting portion 2 is equipped between the handle of a knife 1 and guide rod, the connecting portion 2 has the transiting rod faced directly for one.
By setting connecting portion 2 between handle of a knife 1 and knife bar 3, the stress of screw cutter can be eliminated, bar portion taper increases The rigidity used.
A diameter of 6 ㎜ of the handle of a knife 1, a diameter of 4.2 ㎜ of the knife bar 3.
It is set between first cutting edge 41 and plane Y-axis in 0 ° of -25 ° of angle, the 5th cutting edge 45 and plane Y Axis is set in 30 ° of angles.
The blade tip angle angle of second cutting edge 42 is 65 °, and its point of a knife displacement arc, and the arc radius is 0.16 ㎜。
The first cutting edge 41, the second cutting edge 42 and the 5th cutting edge 45 of setting can effectively improve internal thread machining effect For rate, it can be achieved that deburring, the reconditioning of chamfer angle technique, screw thread, reconditioning effect is good, further improves any surface finish of workpieces processing Degree.
The total length of the screw cutter is 50 ㎜.
The handle of a knife 1, knife bar 3 and cutter head 4 are an integral molding structure, and the material of the handle of a knife 1, knife bar 3 and cutter head 4 is hard Matter alloy, the hard alloy are wolfram steel.
Above-mentioned screw cutter is made of hard alloy, it is ensured that three blade milling cutters are not easy to wear in cutting, increase knife The service life of tool, reduces processing cost.
The utility model uses monodentate screw cutter, and occupancy processing space is small, when in use without multiple feed, saves Manpower and materials, reduce time cost, effectively improve screw thread process efficiency, while screw chasing one-pass molding can be simplified Processing flow further improves processing efficiency and processing performance, while ensure that the surface smoothness of workpieces processing.
Embodiment described above is only the preferred embodiment lifted to absolutely prove the utility model, the utility model Protection domain it is without being limited thereto.The equivalent substitute or change that those skilled in the art are made on the basis of the utility model It changes, is within the protection scope of the utility model.The scope of protection of the utility model is subject to claims.

Claims (10)

1. a kind of screw cutter, which is characterized in that be used for including the handle of a knife being wholely set and knife bar and set on knife bar front end The cutter head of cutting workpiece, the cutter head include the first cutting edge, the second cutting edge, third cutting edge, the 4th cutting edge and the 5th Cutting edge, the blade tip angle angle of the 4th cutting edge is 60 °, and its point of a knife displacement arc, and the arc radius is 0.23 ㎜, The third cutting edge is arranged between the second cutting edge and the 4th cutting edge.
2. screw cutter as described in claim 1, which is characterized in that the 5th cutting edge front end is fallen equipped with circular arc on the cutter head Angle sword.
3. screw cutter as described in claim 1, which is characterized in that the knife bar front end offers chip pocket, described to hold bits Slot includes the first chip face and the second chip face, and first chip face and the second chip face are set in 120 ° of angles.
4. screw cutter as described in claim 1 a, which is characterized in that connecting portion, institute are equipped between the handle of a knife and guide rod State the transiting rod that connecting portion has inner concave arc surface for one.
5. screw cutter as described in claim 1 a, which is characterized in that connecting portion, institute are equipped between the handle of a knife and guide rod State connecting portion has the transiting rod faced directly for one.
6. screw cutter as described in claim 1, which is characterized in that a diameter of 6 ㎜ of the handle of a knife, the diameter of the knife bar For 4.2 ㎜.
7. screw cutter as described in claim 1, which is characterized in that between first cutting edge and plane Y-axis in 0 °- 25 ° of angle settings, the 5th cutting edge are set with plane Y-axis in 30 ° of angles.
8. screw cutter as described in claim 1, which is characterized in that the blade tip angle angle of second cutting edge is 65 °, and Its point of a knife displacement arc, the arc radius are 0.16 ㎜.
9. screw cutter as described in claim 1, which is characterized in that the total length of the screw cutter is 50 ㎜.
10. screw cutter as described in claim 1, which is characterized in that the handle of a knife, knife bar and cutter head are integrally formed knot Structure, the material of the handle of a knife, knife bar and cutter head is hard alloy.
CN201721401327.5U 2017-10-27 2017-10-27 A kind of screw cutter Active CN207479764U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721401327.5U CN207479764U (en) 2017-10-27 2017-10-27 A kind of screw cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721401327.5U CN207479764U (en) 2017-10-27 2017-10-27 A kind of screw cutter

Publications (1)

Publication Number Publication Date
CN207479764U true CN207479764U (en) 2018-06-12

Family

ID=62477840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721401327.5U Active CN207479764U (en) 2017-10-27 2017-10-27 A kind of screw cutter

Country Status (1)

Country Link
CN (1) CN207479764U (en)

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