CN203738108U - Milling cutter with cutter blade stabilizing structure - Google Patents
Milling cutter with cutter blade stabilizing structure Download PDFInfo
- Publication number
- CN203738108U CN203738108U CN201420101216.2U CN201420101216U CN203738108U CN 203738108 U CN203738108 U CN 203738108U CN 201420101216 U CN201420101216 U CN 201420101216U CN 203738108 U CN203738108 U CN 203738108U
- Authority
- CN
- China
- Prior art keywords
- blade
- cutter
- fixing hole
- milling cutter
- forms
- 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 - Lifetime
Links
- 238000003801 milling Methods 0.000 title claims abstract description 37
- 230000000087 stabilizing effect Effects 0.000 title abstract 4
- 230000000694 effects Effects 0.000 claims description 7
- 238000013459 approach Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 abstract 1
- 238000012856 packing Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
The utility model discloses a milling cutter with a cutter blade stabilizing structure. The milling cutter with the cutter blade stabilizing structure comprises a cutter body, a cutter blade and a fixing bolt, wherein a clamping part is formed at the front end of the cutter body; a cutter blade groove is formed in the center of the end of the clamping part; a fixing hole which is communicated with the cutter blade groove is formed in the clamping part in the radial direction in a penetrating way; the cutter blade is pressed against the cutter blade groove; the cutter blade is provided with a cutter blade hole; the center of the cutter blade hole and the center of the fixing hole are staggered; the center of the fixing hole is closer to the bottom of the cutter blade groove than the center of the cutter blade hole; the fixing bolt penetrates into the cutter blade hole from the fixing hole and forces the cutter blade to press against the cutter blade groove. According to the milling cutter with the cutter blade stabilizing structure, the fixing force is strengthened by the pressing and the forcing of the fixing bolt by utilizing the staggered positions of the cutter blade hole of the cutter blade and the fixing hole of the cutter body.
Description
Technical field
The utility model relates to a kind of milling cutter, especially a kind of milling cutter with the firm structure of blade.
Background technology
Existing spherical milling cutter according to the kind difference of moulding can divide the formula of being one of the forming or blade deserted, taking the deserted spherical milling cutter of blade as example, its front end in spherical milling cutter forms insert groove, and can in insert groove, load and unload interchangeable blade, re-use set bolt and wear fixing spherical milling cutter and blade, when the blade of spherical milling cutter is when using rear wearing and tearing, user only need to unload after set bolt, be replaceable insert and repeat to use, without skive blade more in addition.
Because the deserted spherical milling cutter of existing blade easily causes vibration in working angles, cause set bolt to get loose and cause blade to depart from or become flexible, affect crudy, the necessity being improved in fact.
Utility model content
In order to solve the deserted spherical milling cutter of existing blade only with set bolt fixed blade, easily because vibration causes blade to depart from or loosening, affect the problem of crudy, main purpose of the present utility model is to provide a kind of milling cutter with the firm structure of blade, it makes the blade aperture of blade and the fixing hole of cutter body form dislocation, see through set bolt to force fixing mode that blade can be pushed against on cutter body, set bolt is formed the thrust of side direction, to avoid set bolt to get loose simultaneously.
For achieving the above object, technical solutions of the utility model are:
There is the milling cutter of the firm structure of blade, comprise a cutter body, it forms a clamping part in front end, the end of this clamping part forms an insert groove of cutting open vertically, the contiguous side-walls on one side of bottom margin in this insert groove offers a movable slit extending vertically, radially provides the fixing hole of this insert groove of connection in the both sides of this clamping part; One blade, it is against being arranged in this insert groove, and this blade offers a blade aperture in central authorities, in the center of this blade aperture and this fixing hole, is formed centrally dislocation, and the center of this fixing hole more approaches the bottom of this insert groove in the center of this blade aperture; One set bolt, it wears the blade aperture of blade, and is screwed together in the fixing hole of cutter body.
The aforementioned milling cutter with the firm structure of blade, wherein this cutter body is positioned at wherein surrounding's formation one abutment face of this fixing hole of a side, this activity slit is adjacent to a side that is provided with this abutment face, and forms screw thread in the fixing hole inside of the abutment face opposition side that is provided with abutment face.
The aforementioned milling cutter with the firm structure of blade, wherein set bolt is taper bolt, it is coniform that abutment face is.
The aforementioned milling cutter with the firm structure of blade, wherein a centre distance of the center of blade aperture and fixing hole is 0.08-0.12mm.
The aforementioned milling cutter with the firm structure of blade, wherein a side of this blade forms a cutting face, and forms a contact-making surface in the opposition side in this cutting face, is provided with a groove in the central fovea of this contact-making surface.
What the utility model utilization provided has the firm milling cutter of constructing of blade, and the effect that can obtain enhancement comprises:
1, the center of the fixing hole of cutter body of the present utility model and the blade aperture of blade is dislocation state, while making blade be combined in cutter body, blade aperture and fixing hole form dislocation, force through blade aperture by set bolt, make blade be forced packing to be resisted against in the insert groove of cutter body, blade also can form to set bolt the thrust of side direction simultaneously, thus, can make blade and set bolt all firmly be combined on cutter body simultaneously, be difficult for because vibration causes the state that comes off or depart from, and then promote the precision that adds man-hour.
2, the utility model offers movable slit in the bottom of the insert groove of cutter body, when set bolt is sealed and when the both sides of packing clamping part, can compress the both sides of opening the packing blade of insert groove, uses the power of strengthening cutter body clamping blade.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, forms a part of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the outside drawing of the first preferred embodiment of the present utility model.
Fig. 2 is the outside drawing that the second preferred embodiment of the present utility model is incorporated into knife bar.
Fig. 3 is the three-dimensional exploded view of the second preferred embodiment of the present utility model.
Fig. 4 is the sectional exploded view that the second preferred embodiment set bolt of the present utility model is locked on cutter body and cutter.
Fig. 5 is the profile of the second preferred embodiment of the present utility model.
Fig. 6 is the stereo appearance figure of the 3rd preferred embodiment of the present utility model.
Symbol description in figure:
20,20A, 20B milling cutter 21 cutter bodies
211 clamping part 212 insert grooves
213 movable slit 214 fixing holes
215 abutment face 22 blades
221 blade aperture 222 cutting faces
223 contact-making surface 224 grooves
23 set bolt 231 heads
232 neck 233 screw parts
30,30A knife bar
D centre distance
Detailed description of the invention
In order to understand in detail technical characterictic of the present utility model and practical effect, and can implement according to the content of description, further, with the preferred embodiment as shown in graphic, be described in detail as follows:
A kind of milling cutter with the firm structure of blade, refer to the first preferred embodiment of Fig. 1 and the second preferred embodiment of Fig. 2 to 5, this milling cutter 20,20A include a cutter body 21, a blade 22 and a set bolt 23, wherein, the milling cutter 20 of this first preferred embodiment with should be only proportional with milling cutter 20A of the second preferred embodiment on difference, all the other structures are all identical, below describe each cage structure of two embodiment in detail.
As shown in Figures 2 and 3, taking the second preferred embodiment as example, this milling cutter 20A is incorporated into a knife bar 30, this cutter body 21 forms a clamping part 211 in front end, the end central authorities of this clamping part 211 form an insert groove of cutting open vertically 212, this clamping part 212 is divided into both sides by this insert groove 212, the contiguous side-walls on one side of bottom margin in this insert groove 212 offers a movable slit 213, this activity slit 213 is extending axially along this cutter body 21, and radially provide the fixing hole 214 of this insert groove 212 of a connection in the both sides of this clamping part 211, and form screw thread in the inner side, bottom of this fixing hole 214, wherein, be cone shape abutment face 215 in surrounding's formation one on these fixing hole 214 tops, this activity slit 213 is adjacent to this clamping part 211 that is provided with this abutment face 215.
This blade 22 is against being arranged in this insert groove 212, this blade 22 offers a blade aperture 221 in central authorities, in this blade aperture 221 center and this fixing hole 214, be formed centrally dislocation, and this fixing hole 214 center this blade aperture 221 center more approaches the bottom of this insert groove 212, wherein, one centre distance D of this blade aperture 221 center and this fixing hole 214 is 0.08～0.12mm, the diameter of this blade aperture 221 is not less than the diameter of this fixing hole 214, one side of this blade 22 forms a circular-arc cutting face 222, and form a contact-making surface 223 in the opposition side in this cutting face 222, be provided with a groove 224 in the central fovea of this contact-making surface 223.
This set bolt 23 is taper bolt, and there is a head 231, one neck 232 and a screw part 233, this head 231 forms coniform corresponding to this abutment face 215, these neck 232 one are connected in the bottom of this head 231, and the diameter of this neck 232 is identical with the diameter of this fixing hole 214, these screw part 233 one are connected in the bottom of this neck 232, this set bolt 23 is resisted against this abutment face 215 with these head 231 correspondences, these neck 232 correspondences wear the blade aperture 221 of this blade 22, and be screwed together in the fixing hole 214 of this cutter body 21 with these screw part 233 correspondences.
The occupation mode of the utility model preferred embodiment as shown in Figures 4 and 5, these blade 22 correspondences are packed into the insert groove 212 of this cutter body 21, now the blade aperture 221 of this blade 22 forms off normal with the fixing hole 214 of this cutter body 21, again this set bolt 23 is penetrated to this blade aperture 221 by this fixing hole 214 that is provided with these abutment face 215 1 sides, and screw lock is incorporated into the threaded side of these fixing hole 214 tools, see through this set bolt 23 can this blade 22 of packing be resisted against this insert groove 212 bottom with this contact-making surface 223, and the both sides of this clamping part 211 of clamping, make this activity slit 213 and this insert groove 212 compressed to clamp the both sides of this blade 22, thus, just can make this blade 22 firmly be incorporated into this cutter body 21, simultaneously, the side force that this set bolt 23 also can produce through this blade 22 of packing produces fixing strength, make the utility model be difficult for causing because of vibration the state that comes off or depart from, and then lifting adds the precision in man-hour.
As shown in Figure 6, one knife bar 30A and a milling cutter 20B form integrally formed aspect in the 3rd preferred embodiment of the present utility model, and other structure is identical with the first preferred embodiment with occupation mode, is not illustrated at this.
The above, it is only preferred embodiment of the present utility model, not the utility model is done to any pro forma restriction, under any, in technical field, have and conventionally know the knowledgeable, if not departing from the scope of technical characterictic that the utility model is carried, utilize technology contents that the utility model discloses to do the local equivalent embodiment that changes or modify, all still belong in the scope of the utility model technical characterictic.
Claims (9)
1. the milling cutter with the firm structure of blade, comprising:
One cutter body, it forms a clamping part in front end, the end of this clamping part forms an insert groove of cutting open vertically, the contiguous side-walls on one side of bottom margin in this insert groove offers a movable slit extending vertically, radially provides the fixing hole of this insert groove of connection in the both sides of this clamping part;
One blade, it is against being arranged in this insert groove, and this blade offers a blade aperture in central authorities, in the center of this blade aperture and this fixing hole, is formed centrally dislocation, and the center of this fixing hole more approaches the bottom of this insert groove in the center of this blade aperture;
One set bolt, it wears the blade aperture of blade, and is screwed together in the fixing hole of cutter body.
2. the milling cutter with the firm structure of blade as claimed in claim 1, it is characterized in that: this cutter body is positioned at wherein surrounding's formation one abutment face of this fixing hole of a side, this activity slit is adjacent to a side that is provided with this abutment face, and forms screw thread in the fixing hole inside of the abutment face opposition side that is provided with abutment face.
3. the milling cutter with the firm structure of blade as claimed in claim 1 or 2, is characterized in that: set bolt is taper bolt, and it is coniform that abutment face is.
4. the milling cutter with the firm structure of blade as claimed in claim 1 or 2, is characterized in that: a centre distance of the center of blade aperture and fixing hole is 0.08-0.12mm.
5. the milling cutter with the firm structure of blade as claimed in claim 3, is characterized in that: a centre distance of the center of blade aperture and fixing hole is 0.08-0.12mm.
6. the milling cutter with the firm structure of blade as claimed in claim 1 or 2, is characterized in that: a side of this blade forms a cutting face, and forms a contact-making surface in the opposition side in this cutting face, is provided with a groove in the central fovea of this contact-making surface.
7. the milling cutter with the firm structure of blade as claimed in claim 3, is characterized in that: a side of this blade forms a cutting face, and forms a contact-making surface in the opposition side in this cutting face, is provided with a groove in the central fovea of this contact-making surface.
8. the milling cutter with the firm structure of blade as claimed in claim 4, is characterized in that: a side of this blade forms a cutting face, and forms a contact-making surface in the opposition side in this cutting face, is provided with a groove in the central fovea of this contact-making surface.
9. the milling cutter with the firm structure of blade as claimed in claim 5, is characterized in that: a side of this blade forms a cutting face, and forms a contact-making surface in the opposition side in this cutting face, is provided with a groove in the central fovea of this contact-making surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101216.2U CN203738108U (en) | 2014-03-07 | 2014-03-07 | Milling cutter with cutter blade stabilizing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420101216.2U CN203738108U (en) | 2014-03-07 | 2014-03-07 | Milling cutter with cutter blade stabilizing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738108U true CN203738108U (en) | 2014-07-30 |
Family
ID=51337971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420101216.2U Expired - Lifetime CN203738108U (en) | 2014-03-07 | 2014-03-07 | Milling cutter with cutter blade stabilizing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899800A (en) * | 2019-12-18 | 2020-03-24 | 株洲钻石切削刀具股份有限公司 | Single cutting blade replaceable type finish milling ball head cutter |
-
2014
- 2014-03-07 CN CN201420101216.2U patent/CN203738108U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110899800A (en) * | 2019-12-18 | 2020-03-24 | 株洲钻石切削刀具股份有限公司 | Single cutting blade replaceable type finish milling ball head cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140730 |
|
| CX01 | Expiry of patent term |