CN104191018B - T-shaped milling cutter with replaceable tool bit - Google Patents
T-shaped milling cutter with replaceable tool bit Download PDFInfo
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- CN104191018B CN104191018B CN201410370568.2A CN201410370568A CN104191018B CN 104191018 B CN104191018 B CN 104191018B CN 201410370568 A CN201410370568 A CN 201410370568A CN 104191018 B CN104191018 B CN 104191018B
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- milling cutter
- knife
- tool bit
- connecting hole
- fixture block
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Abstract
The invention belongs to the field of tools, and particularly relates to a T-shaped milling cutter with a replaceable tool bit. The T-shaped milling cutter comprises a knife handle; a hollow cavity is formed in the middle of the knife handle; a stepped mounting section is formed in the front part of the knife handle; a plurality of lock holes are evenly formed in the stepped mounting section along the axial direction; locking fixture blocks are arranged inside the lock holes; an ejector rod capable of moving forwards and backwards and ejecting the lock fixture blocks is arranged inside the hollow cavity; a connecting hole is formed in the middle of the cutting tool bit; clamping grooves corresponding to the lock holes are evenly formed in the wall surface of the connecting hole; a counter bore which is coaxial with the connecting hole is formed in the surface, at one side of the connecting hole, of the cutting tool bit; the lock fixture blocks are clamped into the clamping grooves and cover the surface of the counter bore. The T-shaped milling cutter with the replaceable tool bit has the beneficial effects that on one hand, the use cost of the cutter can be effectively reduced, so that the processing cost is reduced, on the other hand, fast replacement of the tool bit is facilitated, the tool bit replacement speed is increased, and a user can use the milling cutter conveniently.
Description
Technical field
The invention belongs to cutter field, particularly to a kind of cutter head removable t type milling cutter.
Background technology
T type milling cutter of the prior art, the cutterhead including handle of a knife with for milling t type groove, general cutterhead and handle of a knife are all adopted
With the mode being fixedly connected, so there is problem, after cutterhead reaches service life, whole cutter can only be reported
Useless, the waste causing is larger, and the use cost of cutter is higher, is unfavorable for the reduction of processing cost, and old friends devise a kind of knife
It is the t type milling cutter being flexibly connected between disk and handle of a knife, typically mainly by keyway and screw, handle of a knife and cutterhead are coupled together, this
It is cumbersome that the connected mode of sample causes cutterhead replacing.
Content of the invention
For the problems referred to above, the present invention devises a kind of cutter head removable t type milling cutter, on the one hand can effectively reduce cutter
Use cost, thus reducing the cost of processing, being on the other hand easy to the quick-replaceable of cutter head, improve the speed of bit replacing
Degree, is user-friendly to.
The present invention is achieved through the following technical solutions:
A kind of head replaceable t type milling cutter, it include handle of a knife it is characterised in that: the middle part of handle of a knife is provided with a hollow
Cavity, the anterior of handle of a knife forms a step installation portion, and step installation portion has been uniformly arranged multiple locking holes in axial direction,
Locking in the hole is provided with locking fixture block, is provided with the push rod that can move forward and backward and by locking fixture block ejection in described cavity,
The middle part of cutter tip is provided with connecting hole, and the wall of connecting hole has been uniformly arranged the corresponding clamping slot of locking hole, described
The surface of the cutter tip of connecting hole side is provided with the counterbore with connecting hole coaxial line, and it is in clamping slot and right that locking fixture block snaps in
The surface of counterbore is covered.
The wall of described cavity is provided with internal thread, and the back segment of push rod is provided with the external screw thread with screw-internal thread fit, top
The leading portion of bar is provided with circular arc and leads portion.
Described handle of a knife is Morse's taper handle of a knife.
Described locking fixture block includes the latch segment with clamping slot cooperation, and the end of latch segment stretches out and is formed with compression
Ring, the medial surface of hold-down ring is contacted with the surface of counterbore.
In sum, the method have the advantages that
1st, the present invention devise a kind of cutter head replaceable when t type milling cutter, after the tool bit abrasion of t type milling cutter, can be only right
Cutter head is changed, and reduces the use cost of cutter, then reduces the processing cost of product.
2nd, the present invention devises a kind of cutter head quick-changing type structure, and user only needs to the top by rotating setting inside handle of a knife
Bar, realizes the movable of push rod, push rod moves forward, and locking fixture block ejection is snapped in the clamping slot of cutter head, that is, achieves
The locking of cutter head, push rod is moved rearwards by, and locking fixture block falls after rise and departs from from clamping slot, that is, achieve the unblock of cutter head, convenient
People are changed, and overcome keyway in prior art and connect the problem changing inconvenience covering locking with screw.
Brief description
By detailed description below in conjunction with the accompanying drawings, the aforesaid and other objects, features and advantages of the present invention will become
Obviously.Wherein:
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of the cutterhead of the present invention；
In figure 1 is cavity, and 2 is push rod, and 3 is handle of a knife, and 4 is cutter tip, and 5 is locking fixture block, and 6 is locking hole, and 7 is step
Installation portion, 51 is hold-down ring, and 41 is connecting hole, and 42 is counterbore, and 43 is clamping slot.
Specific embodiment
A kind of head replaceable t type milling cutter as shown in Figure 1, it includes handle of a knife 3, and the middle part of handle of a knife 3 is provided with a hollow
Cavity 1, the anterior of handle of a knife 3 form a step installation portion 7, and step installation portion 7 has been uniformly arranged multiple in axial direction
Locking hole 6, is provided with locking fixture block 5, is provided with and can move forward and backward and will lock fixture block in described cavity 1 in locking hole 6
The push rod 2 of ejection, the middle part of cutter tip 4 is provided with connecting hole 41, the wall of connecting hole 41 has been uniformly arranged locking hole pair
The clamping slot 43 answered, the surface of the described cutter tip of connecting hole 41 side is provided with the counterbore 42 with connecting hole coaxial line,
Locking fixture block 5 snaps in clamping slot 43 and the surface of counterbore 42 is covered, and fixture block is locked in the movable promotion of push rod
Ejection and withdrawing, realizes locking fixture block to the locking of cutter tip and unblock, when locking fixture block and only having one group, on locking fixture block
Can magnetic material be set, so that both can be automatically reset after push rod retraction, after locking fixture block has multigroup, on locking fixture block
Back-moving spring can be set, after push rod will lock fixture block ejection, locking fixture block ejection, back-moving spring is in extended state, when
After push rod is retracted, back-moving spring resets, and so that locking fixture block is withdrawn.
The wall of described cavity 1 is provided with internal thread, and the back segment of push rod 2 is provided with the external screw thread with screw-internal thread fit,
The leading portion of push rod 2 is provided with circular arc and leads portion, the middle part that push rod enters locking fixture block is easy in the circular arc portion of leading of setting, it is to avoid push rod
With locking fixture block appearance stuck phenomenon.
Described handle of a knife is Morse's taper handle of a knife, and the cutter chuck be easy to using the handle of a knife of Morse's taper and commonly use is used,
There is preferable range.
Described locking fixture block includes the latch segment with clamping slot cooperation, and the end of latch segment stretches out and is formed with compression
Ring 51, the medial surface of hold-down ring 51 is contacted with the surface of counterbore, herein to locking fixture block structure be described, locking fixture block with
Clamping slot coordinates, and for cutter head is carried out with the spacing of circumference, is simultaneously used for transmitting power, the hold-down ring simultaneously arranging is used for knife
Head carries out axial spacing, prevents cutter head from coming off from handle of a knife.
In sum, the method have the advantages that
1st, the present invention devise a kind of cutter head replaceable when t type milling cutter, after the tool bit abrasion of t type milling cutter, can be only right
Cutter head is changed, and reduces the use cost of cutter, then reduces the processing cost of product.
2nd, the present invention devises a kind of cutter head quick-changing type structure, and user only needs to the top by rotating setting inside handle of a knife
Bar, realizes the movable of push rod, push rod moves forward, and locking fixture block ejection is snapped in the clamping slot of cutter head, that is, achieves
The locking of cutter head, push rod is moved rearwards by, and locking fixture block falls after rise and departs from from clamping slot, that is, achieve the unblock of cutter head, convenient
People are changed, and overcome keyway in prior art and connect the problem changing inconvenience covering locking with screw.
The invention is not limited in described embodiment, those skilled in the art is public affairs in the spirit without departing from the present invention
In the range of opening, still can make some and revise or change, thus the scope that limited with claims of the scope of the present invention as
Accurate.
Claims (4)
1. a kind of head replaceable t type milling cutter, it include handle of a knife it is characterised in that: the middle part of handle of a knife is provided with the sky of a hollow
Chamber, the anterior of handle of a knife forms a step installation portion, and step installation portion has been uniformly arranged multiple locking holes in axial direction, lock
It is provided with locking fixture block in tieholen, be provided with the push rod that can move forward and backward and by locking fixture block ejection in described cavity, cut
The middle part of sharpener head is provided with connecting hole, and the wall of connecting hole has been uniformly arranged the corresponding clamping slot of locking hole, described company
The surface connecing the cutter tip of hole side is provided with counterbore with connecting hole coaxial line, and locking fixture block snaps in clamping slot and to heavy
The surface in hole is covered.
2. a kind of head replaceable t type milling cutter according to claim 1 it is characterised in that: the wall of described cavity sets
It is equipped with internal thread, the back segment of push rod is provided with the external screw thread with screw-internal thread fit, the leading portion of push rod is provided with circular arc and leads portion.
3. a kind of head replaceable t type milling cutter according to claim 1 it is characterised in that: described handle of a knife be Mohs cone
Degree handle of a knife.
4. a kind of head replaceable t type milling cutter according to claim 1 it is characterised in that: described locking fixture block includes
With the latch segment of clamping slot cooperation, the end of latch segment stretches out and is formed with hold-down ring, the medial surface of hold-down ring and counterbore
Surface contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370568.2A CN104191018B (en) | 2014-07-30 | 2014-07-30 | T-shaped milling cutter with replaceable tool bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410370568.2A CN104191018B (en) | 2014-07-30 | 2014-07-30 | T-shaped milling cutter with replaceable tool bit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104191018A CN104191018A (en) | 2014-12-10 |
| CN104191018B true CN104191018B (en) | 2017-01-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410370568.2A Active CN104191018B (en) | 2014-07-30 | 2014-07-30 | T-shaped milling cutter with replaceable tool bit |
Country Status (1)
| Country | Link |
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| CN (1) | CN104191018B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107442792A (en) * | 2017-09-27 | 2017-12-08 | 东莞市耐久精密五金有限公司 | A kind of thermal shrinkage type gang tool of fast changeable cutter head |
| CN109434201A (en) * | 2018-11-23 | 2019-03-08 | 成都齐平科技有限公司 | A kind of reamer connected by conical surface expansion fashion |
| CN110682386B (en) * | 2019-11-10 | 2024-01-05 | 浙江优拓智能家具有限公司 | Small-size high-efficient timber rotary-cut device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE803143C (en) * | 1949-05-07 | 1951-03-01 | Hermann Bilz | Tool for countersinking, drilling, reaming or the like with holder |
| DE102009012433A1 (en) * | 2009-03-10 | 2010-09-16 | Kennametal Inc. | Cutting tool for a machine tool |
| JP5362451B2 (en) * | 2009-06-11 | 2013-12-11 | オーエスジー株式会社 | Machining head replaceable rotary tool, holder, and machining head |
| DE102010004526B4 (en) * | 2010-01-14 | 2014-05-22 | Kennametal Inc. | cutting tool |
| DE102012104606B4 (en) * | 2012-05-29 | 2015-11-19 | Franz Haimer Maschinenbau Kg | Tool holder for a screw-in tool |
| CN204094221U (en) * | 2014-07-30 | 2015-01-14 | 常州西利合金工具有限公司 | The T-shaped milling cutter of a kind of head replaceable |
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2014
- 2014-07-30 CN CN201410370568.2A patent/CN104191018B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104191018A (en) | 2014-12-10 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20190620 Address after: 213000 No. 8 Taihang Mountain Road, Xixia Shu Town, Xinbei District, Changzhou City, Jiangsu Province Patentee after: Jiangsu Juli Dingxin Machinery Co., Ltd. Address before: 213000 No. 9 Cuiping Lake Road, Xixia Shu Town Industrial Park, Xinbei District, Changzhou City, Jiangsu Province Patentee before: Changzhou Xili Alloy Tools Co.,Ltd. |