CN204234763U - One carves rib knife bar - Google Patents
One carves rib knife bar Download PDFInfo
- Publication number
- CN204234763U CN204234763U CN201420647921.2U CN201420647921U CN204234763U CN 204234763 U CN204234763 U CN 204234763U CN 201420647921 U CN201420647921 U CN 201420647921U CN 204234763 U CN204234763 U CN 204234763U
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- China
- Prior art keywords
- tool bore
- diameter
- knife bar
- shaft
- rib
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- 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.)
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Abstract
The utility model discloses one and carve rib knife bar, comprise shaft, described shaft has and places the tool bore carving rib cutter head and the through hole communicated with tool bore along shaft axis from shaft one end, the bottom of described tool bore has the apical pore being convenient to instrument, rib cutter head at quarter be ejected tool bore, the diameter of described apical pore is less than the diameter of tool bore, have 0.5X45 ° of chamfering between the sidewall of described tool bore and bottom surface, the diameter D of described tool bore place shaft part is tool bore diameter d
11.5 ~ 2 times, the degree of depth h of described tool bore is tool bore diameter d
11.2 ~ 1.5 times, the diameter d of described through hole
2for tool bore diameter d
10.8 ~ 1 times.The utility model has the advantages that: make knife bar be not easy to be fractureed by the size of each tool bore part on specification knife bar, bulk strength is secure, bottom tool bore, increase 0.5X45 ° of chamfering simultaneously, can effectively prevent tool bore from being worn by top, knife bar increases by 30% service life, and the cutter head situation of fractureing there will not be cost to save greatly.
Description
Technical field
The utility model relates to one and carves rib knife bar.
Background technology
Carve rib cutter and be used to rib on processing rigid alloy collars in groove, such as suppress the rib in the carbide roll ring of screw-thread steel.Current use quarter rib jet blade and knife bar separate, knife bar is offered the tool bore inserting cutter head, then the rear portion of cutter head is inserted in the tool bore of knife bar, there is a through hole bottom of tool bore, cutter head is convenient to eject tool bore, the design tool bore numerical value of existing knife bar is crossed ambassador's tool bore angle and is caused that to pierce through bottom cutter head be that knife bar lost efficacy to the minimum distance of knife bar cylindrical is too little, the price of often propping up knife bar is about 180 yuan, the meticulous long cutter head that makes of the push type broach position arm of force that causes of apical pore at knife bar center fractures 150 yuan simultaneously, damages knife bar simultaneously.
Utility model content
The purpose of this utility model is to provide a kind of and carves rib knife bar, effectively can solve existing quarter rib knife bar tool bore and easily be worn with knife bar easily by the problem fractureed by top.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: one carves rib knife bar, comprise shaft, described shaft has and places the tool bore carving rib cutter head and the through hole communicated with tool bore along shaft axis from shaft one end, the bottom of described tool bore has the apical pore being convenient to instrument, rib cutter head at quarter be ejected tool bore, the diameter of described apical pore is less than the diameter of tool bore, have 0.5X45 ° of chamfering between the sidewall of described tool bore and bottom surface, the diameter D of described tool bore place shaft part is tool bore diameter d
11.5 ~ 2 times, the degree of depth h of described tool bore is tool bore diameter d
11.2 ~ 1.5 times, the diameter d of described through hole
2for tool bore diameter d
10.8 ~ 1 times.
Preferably, the diameter of described apical pore is 1mm; Too conference causes tool bore to be worn by top, and cutter head is ejected tool bore by too little being not easy to.
Preferably, described tool bore diameter d
1for 2mm, described tool bore place shaft section diameter D is 3.8mm, and described tool bore degree of depth h is 2.8mm, described through-hole diameter d
2for 2mm.
Preferably, described tool bore diameter d
1for 3mm, described tool bore place shaft section diameter D is 5mm, and described tool bore degree of depth h is 3.7mm, described through-hole diameter d
2for 2.5mm.
Preferably, described tool bore diameter d
1for 3.5mm, described tool bore place shaft section diameter D is 6.2mm, and described tool bore degree of depth h is 4.6mm, described through-hole diameter d
2for 3mm.
Preferably, described tool bore diameter d
1for 4.5mm, described tool bore place shaft section diameter D is 7.5mm, and described tool bore degree of depth h is 5.75mm, described through-hole diameter d
2for 4mm.
Compared with prior art, the utility model has the advantages that: make knife bar be not easy to be fractureed by the size of each tool bore part on specification knife bar, bulk strength is secure, bottom tool bore, increase 0.5X45 ° of chamfering simultaneously, can effectively prevent tool bore from being worn by top, knife bar increases by 30% service life, and the cutter head situation of fractureing there will not be cost to save greatly.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation carving rib knife bar of the utility model;
Fig. 2 is A-A sectional view in Fig. 1.
Detailed description of the invention
Consulting Fig. 1, Fig. 2 is a kind of embodiment of carving rib knife bar of the utility model, one carves rib knife bar, comprise shaft 1, described shaft 1 has and places the tool bore 2 carving rib cutter head and the through hole 3 communicated with tool bore 2 along shaft 1 axis from shaft 1 one end, the bottom of described tool bore 2 has the apical pore 4 being convenient to instrument, rib cutter head at quarter be ejected tool bore 2, the diameter of described apical pore 4 is less than the diameter of tool bore 2,0.5X45 ° of chamfering 5 is had between the sidewall of described tool bore 2 and bottom surface, the diameter of described apical pore 4 is 1mm, and the diameter D of described tool bore 2 place shaft 1 part is tool bore 2 diameter d
11.5 ~ 2 times, the degree of depth h of described tool bore 2 is tool bore 2 diameter d
11.2 ~ 1.5 times, the diameter d of described through hole 3
2for tool bore 2 diameter d
10.8 ~ 1 times.
When using the rib cutter head at quarter of φ 6, described tool bore 2 diameter d
1for 2mm, described tool bore 2 place shaft 1 section diameter D is 3.8mm, and described tool bore 2 degree of depth h is 2.8mm, described through hole 3 diameter d
2for 2mm.
When using the rib cutter head at quarter of φ 8, described tool bore 2 diameter d
1for 3mm, described tool bore 2 place shaft 1 section diameter D is 5mm, and described tool bore 2 degree of depth h is 3.7mm, described through hole 3 diameter d
2for 2.5mm.
When using the rib cutter head at quarter of φ 10, described tool bore 2 diameter d
1for 3.5mm, described tool bore 2 place shaft 1 section diameter D is 6.2mm, and described tool bore 2 degree of depth h is 4.6mm, described through hole 3 diameter d
2for 3mm.
When using the rib cutter head at quarter of φ 12, described tool bore 2 diameter d
1for 4.5mm, described tool bore 2 place shaft 1 section diameter D is 7.5mm, and described tool bore 2 degree of depth h is 5.75mm, described through hole 3 diameter d
2for 4mm.
Knife bar is made to be not easy to be fractureed by the size of each tool bore 2 part on specification knife bar, bulk strength is secure, bottom tool bore 2, increase 0.5X45 ° of chamfering 5 simultaneously, can effectively prevent tool bore 2 from being worn by top, knife bar increases by 30% service life, and the cutter head situation of fractureing there will not be cost to save greatly.
The foregoing is only specific embodiment of the utility model, but technical characteristic of the present utility model is not limited thereto, any those skilled in the art is in field of the present utility model, and the change done or modification are all encompassed among the scope of the claims of the present utility model.
Claims (6)
1. carve rib knife bar for one kind, comprise shaft (1), described shaft (1) has the tool bore (2) placing and carve rib cutter head and from shaft (1) one end along the through hole (3) that shaft (1) axis communicates with tool bore (2), it is characterized in that: the bottom of described tool bore (2) has the apical pore (4) being convenient to instrument, rib cutter head at quarter be ejected tool bore (2), the diameter of described apical pore (4) is less than the diameter of tool bore (2), 0.5X45 ° of chamfering (5) is had between the sidewall of described tool bore (2) and bottom surface, the diameter D of described tool bore (2) place shaft (1) part is tool bore (2) diameter d
11.5 ~ 2 times, the degree of depth h of described tool bore (2) is tool bore (2) diameter d
11.2 ~ 1.5 times, the diameter d of described through hole (3)
2for tool bore (2) diameter d
10.8 ~ 1 times.
2. one as claimed in claim 1 carves rib knife bar, it is characterized in that: the diameter of described apical pore (4) is 1mm.
3. one as claimed in claim 1 or 2 carves rib knife bar, it is characterized in that: described tool bore (2) diameter d
1for 2mm, described tool bore (2) place shaft (1) section diameter D is 3.8mm, and described tool bore (2) degree of depth h is 2.8mm, described through hole (3) diameter d
2for 2mm.
4. one as claimed in claim 1 or 2 carves rib knife bar, it is characterized in that: described tool bore (2) diameter d
1for 3mm, described tool bore (2) place shaft (1) section diameter D is 5mm, and described tool bore (2) degree of depth h is 3.7mm, described through hole (3) diameter d
2for 2.5mm.
5. one as claimed in claim 1 or 2 carves rib knife bar, it is characterized in that: described tool bore (2) diameter d
1for 3.5mm, described tool bore (2) place shaft (1) section diameter D is 6.2mm, and described tool bore (2) degree of depth h is 4.6mm, described through hole (3) diameter d
2for 3mm.
6. one as claimed in claim 1 or 2 carves rib knife bar, it is characterized in that: described tool bore (2) diameter d
1for 4.5mm, described tool bore (2) place shaft (1) section diameter D is 7.5mm, and described tool bore (2) degree of depth h is 5.75mm, described through hole (3) diameter d
2for 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420647921.2U CN204234763U (en) | 2014-10-31 | 2014-10-31 | One carves rib knife bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420647921.2U CN204234763U (en) | 2014-10-31 | 2014-10-31 | One carves rib knife bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204234763U true CN204234763U (en) | 2015-04-01 |
Family
ID=52764315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420647921.2U Active CN204234763U (en) | 2014-10-31 | 2014-10-31 | One carves rib knife bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204234763U (en) |
-
2014
- 2014-10-31 CN CN201420647921.2U patent/CN204234763U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Rib-carving cutter bar Effective date of registration: 20160307 Granted publication date: 20150401 Pledgee: Bank of Communications Ltd Jinhua Dongyang branch Pledgor: Zhejiang Hengcheng Hard Alloy Co., Ltd. Registration number: 2016990000161 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190903 Granted publication date: 20150401 Pledgee: Bank of Communications Ltd Jinhua Dongyang branch Pledgor: Zhejiang Hengcheng Hard Alloy Co., Ltd. Registration number: 2016990000161 |