CN202910365U - Symmetrical slot milling cutter - Google Patents

Symmetrical slot milling cutter Download PDF

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Publication number
CN202910365U
CN202910365U CN 201220582004 CN201220582004U CN202910365U CN 202910365 U CN202910365 U CN 202910365U CN 201220582004 CN201220582004 CN 201220582004 CN 201220582004 U CN201220582004 U CN 201220582004U CN 202910365 U CN202910365 U CN 202910365U
Authority
CN
China
Prior art keywords
cutter
knife bar
blade
knife
milling
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.)
Expired - Fee Related
Application number
CN 201220582004
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Chinese (zh)
Inventor
郑晓明
张剑东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Promote Science And Technology Ltd In Zhejiang
Original Assignee
Promote Science And Technology Ltd In Zhejiang
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 Promote Science And Technology Ltd In Zhejiang filed Critical Promote Science And Technology Ltd In Zhejiang
Priority to CN 201220582004 priority Critical patent/CN202910365U/en
Application granted granted Critical
Publication of CN202910365U publication Critical patent/CN202910365U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a milling cutter capable of directly milling a side surface of a trapezoid slot, which satisfies the flatness requirement, and overcomes the defect that a conventional cutter only processes the shape of a slot due to the restriction of the shape of the cutter during processing symmetrical trapezoid slots of shaft parts, and then a slot side surface satisfying the requirement of the flatness is processed via changing the cutter. The symmetrical slot milling cutter comprises a cutter handle and a cutter rod matched with the cutter handle; the cutter rod comprises a cylindrical main body and an assembling rod extending outside the main body; and four blades are respectively arranged on the upper side and the lower side of the cutter rod, and the edges of the blades partially face to the outside of the cutter rod. The symmetrical slot milling cutter is suitable for application occasions of a conventional trapezoid slot milling cutter, and has the advantages that the slot side surface satisfying the flatness requirement can be surely milled, and meanwhile the slot body can be milled and cut, and the blades can be dismounted and changed.

Description

A kind of symmetrical channels milling cutter
Technical field
The utility model relates to a kind of machine tool accessory, relates in particular to a kind of milling cutter.
Background technology
When processing aborning at present the longaxones parts with symmetrical dovetail groove, because the flatness of groove side is had relatively high expectations, therefore usually open thick groove with slotting cutter first, need to then use a forming cutter semifinishing, at last finishing groove side again.Although can realize like this processing, process is comparatively complicated, can not realize that the processing of groove side and the processing of groove itself carries out simultaneously, and is consuming time also more.
China Patent Publication No. CN202137434U, open day on February 28th, 2012, the name of utility model is called slot milling cutter for molded surfaces, this application case discloses a kind of slot milling cutter for molded surfaces, it is characterized in that, described slot milling cutter for molded surfaces is by cutter hub, cutter tooth, handle of a knife forms, and with handle of a knife, an end is cutter tooth on the cutter hub, cutter tooth comprises chip pocket, anterior angle, the back-off amount, relief angle, side clearance, the cutter tooth quantity Z=4 of this profile cutter~16, diameter d=25~60mm, cutter hub width b=10~25mm, groove angle β=40 °~55 °, back of the body amount t=1.5~3.5mm is produced in anterior angle γ=0~15 °, side clearance k=1 °~1 ° 30 ', 1=45 °~55 ° of the straight line portion groove angle β of slot milling cutter for molded surfaces, 1=10 °~15 ° of straight line portion anterior angle γ, margin width f=0.5~1.2mm, relief angle α=10 °~15 °.This utility model weak point is to be used for fluting, meets the groove side that flatness requires but can not process simultaneously.
The utility model content
The utility model has overcome the restriction because of the shape of tool when working shaft-like part upper trapezoid symmetrical channels of existing cutter, can only process first grooved, then tool changing processes the deficiency of the groove side that meets the flatness requirement, provides a kind of and can directly mill out the milling cutter that the side meets the dovetail groove of flatness requirement.
The utility model is achieved through the following technical solutions:
A kind of symmetrical channels milling cutter comprises handle of a knife, and with the knife bar that handle of a knife matches, described knife bar comprises the body of cylindricality and to the Assembly rail of body extension, described knife bar respectively is provided with two blades in both sides up and down, and the knife edge part of described blade is towards the knife bar outside.An axle is set level clamping, handle of a knife is contained in carries out milling on the Digit Control Machine Tool, when the dovetail groove of milling upper side level, two blades of upper end are as the cutter of milling plane, and two blades of lower end are as the cutter of milling cell body; When the dovetail groove of milling downside level, two blades of lower end are as the cutter of milling plane, and two blades of upper end so just can guarantee to mill out the side that meets the flatness requirement as the cutter of milling cell body in the milling dovetail groove.
As preferably, described blade assumes diamond in shape, and the blade peak that is in the knife bar upper blade is higher than knife bar, and the blade minimum point that is in the knife bar lower blade is lower than knife bar, and described blade working face outer rim is straight line.Working face is straight line, and milling depth is consistent at synchronization, and the blade peak of upper blade is higher than knife bar, and the blade minimum point of knife bar lower blade is lower than knife bar, can guarantee that knife bar can not interfere with shaft-like workpiece in the milling process.
As preferably, described blade links to each other by trip bolt with knife bar.Blade closely links to each other by trip bolt with knife bar, when the needs angle changing or more during allowing blade replacement, also can take off trip bolt and adjust blade position or allowing blade replacement more.
As preferably, described Assembly rail one side is perpendicular, and opposite side is the plane tangent with body, and described knife bar is parabolic away from the outer rim of body.Knife bar one side is the plane tangent with body, and knife bar is parabolic away from the outer rim of body, makes whole outer rim form the streamline that is fit to rotating rule, therefore can reduce air drag when rotating, and improves job stability.
As preferably, described handle of a knife center is provided with bolt hole, and described handle of a knife links to each other by bolt hole, assembling bolt with knife bar.Handle of a knife and knife bar removably connect by assembling bolt, therefore can directly change when being damaged.
Therefore, the beneficial effects of the utility model are: (1) has upper and lower two-layer blade, when can guarantee to mill out the groove side that meets the flatness requirement cell body is carried out milling; (2) blade can be changed, so versatility is higher and needn't integral replacing during breaks down, and cost reduces the wastage.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model knife bar schematic diagram.
Among the figure: handle of a knife 1, knife bar 2, trip bolt 3, blade 4, assembling bolt 5.
The specific embodiment
Below by embodiment, by reference to the accompanying drawings the technical solution of the utility model is described further:
A kind of symmetrical channels milling cutter as shown in Figure 1 and Figure 2, comprise handle of a knife 1, with the knife bar 2 that handle of a knife 1 matches, described knife bar 2 comprises the body of cylindricality and to the Assembly rail of body extension, described knife bar respectively is provided with two blades 4 in both sides about in the of 2, and the knife edge part of described blade 4 is towards knife bar 2 outsides.Described blade 4 assumes diamond in shape, and the blade peak that is in knife bar 2 upper blade 4 is higher than knife bar 2, and the blade minimum point that is in knife bar 2 lower blade 4 is lower than knife bar 2, and described blade working face outer rim is straight line.Working face is straight line, and milling depth is consistent at synchronization, and the blade peak of upper blade 4 is higher than knife bar 2, and the blade minimum point of knife bar 2 lower blade 4 is lower than knife bar 2, can guarantee that knife bar 2 can not interfere with shaft-like workpiece in the milling process.Described blade 4 links to each other by trip bolt 3 with knife bar 2.Blade 4 closely links to each other by trip bolt 3 with knife bar 2, when the needs angle changing or more during allowing blade replacement 4, also can take off trip bolt 3 and adjust blade 4 positions or allowing blade replacement 4 more.Described Assembly rail one side is perpendicular, and opposite side is the plane tangent with body, and described knife bar 2 is parabolic away from the outer rim of body.Knife bar 2 one sides are the plane tangent with body, and knife bar 2 is parabolic away from the outer rim of body, makes whole outer rim form the streamline that is fit to rotating rule, therefore can reduce air drag when rotating, and improves job stability.Described handle of a knife 1 center is provided with bolt hole, and described handle of a knife 1 links to each other by bolt hole, assembling bolt 5 with knife bar 2.Handle of a knife 1 removably connects by assembling bolt 5 with knife bar 2, therefore can directly change when being damaged.
During milling, an axle is set level clamping, handle of a knife 1 is contained in carries out milling on the Digit Control Machine Tool, when the dovetail groove of milling upper side level, two blades 4 of upper end are as the cutter of milling plane, and two blades 4 of lower end are as the cutter of milling cell body; Cutter is moved to opposite side, when the dovetail groove of another downside level of milling, two blades 4 of lower end are as the cutter of milling plane, and two blades 4 of upper end so just can guarantee to mill out the side that meets the flatness requirement as the cutter of milling cell body in the milling dovetail groove.After finishing above-mentioned steps, each side of two dovetail grooves that has been equivalent to milling, it is again fixing then axle to be rotated 20 degree angles, repeats above-mentioned steps, just formed the dovetail groove side of two symmetries after milling is finished, and the side all can guarantee flatness.The complete machining to symmetrical dovetail groove on the axle is finished in direct working groove bottom surface afterwards.

Claims (5)

1. symmetrical channels milling cutter, comprise handle of a knife (1), the knife bar (2) that matches with handle of a knife (1), it is characterized in that, described knife bar (2) comprises the body of cylindricality and to the Assembly rail of body extension, described knife bar (2) up and down both sides respectively is provided with two blades (4), and the knife edge part of described blade (4) is towards knife bar (2) outside.
2. a kind of symmetrical channels milling cutter according to claim 1, it is characterized in that, described blade (4) assumes diamond in shape, the blade peak that is in knife bar (2) upper blade (4) is higher than knife bar (2), the blade minimum point that is in knife bar (2) lower blade (4) is lower than knife bar (2), and described blade working face outer rim is straight line.
3. a kind of symmetrical channels milling cutter according to claim 1 is characterized in that, described blade (4) links to each other by trip bolt (3) with knife bar (2).
4. according to claim 1 and 2 or 3 described a kind of symmetrical channels milling cutters, it is characterized in that described Assembly rail one side is perpendicular, opposite side is the plane tangent with body, and described knife bar (2) is parabolic away from the outer rim of body.
5. according to claim 1 and 2 or 3 described a kind of symmetrical channels milling cutters, it is characterized in that described handle of a knife (1) center is provided with bolt hole, described handle of a knife (1) links to each other by bolt hole, assembling bolt (5) with knife bar (2).
CN 201220582004 2012-11-07 2012-11-07 Symmetrical slot milling cutter Expired - Fee Related CN202910365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220582004 CN202910365U (en) 2012-11-07 2012-11-07 Symmetrical slot milling cutter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220582004 CN202910365U (en) 2012-11-07 2012-11-07 Symmetrical slot milling cutter

Publications (1)

Publication Number Publication Date
CN202910365U true CN202910365U (en) 2013-05-01

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220582004 Expired - Fee Related CN202910365U (en) 2012-11-07 2012-11-07 Symmetrical slot milling cutter

Country Status (1)

Country Link
CN (1) CN202910365U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105364154A (en) * 2015-12-14 2016-03-02 新昌县科宇刃具机械有限公司 Triangular-distribution type dimension-adjustable high-precision dual-power T-type groove milling cutter
CN109333672A (en) * 2018-10-23 2019-02-15 重庆家家喜门业有限公司 Milling cutter for the plank circle of contact and drilling

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105364154A (en) * 2015-12-14 2016-03-02 新昌县科宇刃具机械有限公司 Triangular-distribution type dimension-adjustable high-precision dual-power T-type groove milling cutter
CN109333672A (en) * 2018-10-23 2019-02-15 重庆家家喜门业有限公司 Milling cutter for the plank circle of contact and drilling

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Legal Events

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20131107