CN202239699U - Combined type boring cutter - Google Patents
Combined type boring cutter Download PDFInfo
- Publication number
- CN202239699U CN202239699U CN2011203508169U CN201120350816U CN202239699U CN 202239699 U CN202239699 U CN 202239699U CN 2011203508169 U CN2011203508169 U CN 2011203508169U CN 201120350816 U CN201120350816 U CN 201120350816U CN 202239699 U CN202239699 U CN 202239699U
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- Prior art keywords
- cutter
- blade
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- model
- bar
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Abstract
The utility model discloses a boring cutter structure which comprises a cutter bar, a cutter blade and a positioning bar, wherein a positioning hole is axially arranged at one end part of the cutter bar, a cutter feeding hole is arranged at the end part of the cutter bar in the radial direction, the cross sections of the positioning hole and the cutter feeding hole are T-shaped, the cutter blade is positioned in the cutter feeding hole, and the positioning bar is inserted into the positioning hole to fix the cutter blade. The cutter bar and the cutter blade are arranged in a combination manner by adopting the technology; when one component is damaged, only the damaged component needs to be replaced, and the whole boring cutter does not need to be replaced, thereby saving the cost; and the combined type boring cutter is convenient to assemble and disassemble during maintenance.
Description
Technical field
The utility model relates to a kind of cutter, particularly a kind of combined boring tool.
Background technology
Boring cutter is to have one or two cutting tip, be specifically designed to roughing, semifinishing or accurately machined cutter are carried out in existing hole, and boring cutter can use on boring machine, lathe or milling machine.Boring cutter generally comprises knife bar and blade, and in knife bar or the blade wherein an assembly damage is arranged, then whole boring cutter all need be changed.Therefore inconvenient dismounting, and maintenance cost is higher.
The utility model content
There is technical problem in the utility model for solving in the prior art, thereby a kind of easy accessibility is provided and has been convenient to change the combined boring tool structure that assembly is practiced thrift maintenance cost.
The utility model solves the problems of the technologies described above, and the technical scheme that is adopted is: a kind of boring cutter is provided, comprises knife bar and blade, also comprise a positioning rod; The axial locating hole that is provided with of said knife bar one end; The footpath of this end of said knife bar upwards is provided with one and goes into tool bore; Said locating hole becomes the T word shape with this cross section of going into tool bore, and said blade is positioned at this and goes into tool bore, and said backstay inserts in the said locating hole and with said blade and fixes.
As a preferred version of the utility model, said backstay is screw or latch.
The technical scheme of the utility model is with respect to prior art; The beneficial effect of obtaining is: knife bar and blade are installed with the mode of combination, and when an assembly wherein has damage, then need change wherein has the assembly of damage to get final product; Do not need whole boring cutter all to change, practiced thrift cost; And the easy accessibility during maintenance.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the part of the utility model, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the knife bar sketch map of the described combined boring tool of the utility model;
Fig. 2 is the blade sketch map of the described combined boring tool of the utility model;
Fig. 3 is the sketch map of the described combined boring tool of the utility model.
The specific embodiment
In order to make the utility model technical problem to be solved, technical scheme and beneficial effect is clearer, understand,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Like Fig. 1, Fig. 2, shown in Figure 3, the described combined boring tool structure of the utility model comprises knife bar 10, blade 20 and backstay 30; The axial locating hole 14 that is provided with of one end of knife bar 10; Knife bar 10 upwards is provided with into tool bore 12 in the footpath of this end, and locating hole 14 becomes the T word shape with the cross section of going into tool bore 12, and the other end 16 of knife bar 10 is square structures; Be used for clamping at knife rest, be convenient to lock knife bar 10; Blade 20 inserts this goes in the tool bore 12, and backstay 30 can be screw or latch, and backstay 30 inserts in the locating hole 14 and with blade 20 and fixes.Knife bar 10 is installed with the mode of combination with blade 20, and when an assembly (knife bar 10 or blade 20) wherein has damage, then need change wherein has the assembly of damage to get final product, and does not need whole boring cutter all to change, and has practiced thrift cost; And the easy accessibility during maintenance.
Above-mentioned explanation has illustrated and has described the preferred embodiment of the utility model; As previously mentioned; Be to be understood that the utility model is not limited to the form that this paper discloses, should do not regard eliminating as, and can be used for various other combinations, modification and environment other embodiment; And can in utility model contemplated scope described herein, change through the technology or the knowledge of above-mentioned instruction or association area.And change that those skilled in the art carried out and variation do not break away from the spirit and the scope of the utility model, then all should be in the protection domain of the utility model accompanying claims.
Claims (2)
1. a combined boring tool comprises knife bar and blade, it is characterized in that, also comprises a positioning rod; The axial locating hole that is provided with of said knife bar one end; The footpath of this end of said knife bar upwards is provided with one and goes into tool bore; Said locating hole becomes the T word shape with this cross section of going into tool bore, and said blade is positioned at this and goes into tool bore, and said backstay inserts in the said locating hole and with said blade and fixes.
2. combined boring tool according to claim 1 is characterized in that, said backstay is screw or latch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203508169U CN202239699U (en) | 2011-09-19 | 2011-09-19 | Combined type boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203508169U CN202239699U (en) | 2011-09-19 | 2011-09-19 | Combined type boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202239699U true CN202239699U (en) | 2012-05-30 |
Family
ID=46101001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203508169U Expired - Fee Related CN202239699U (en) | 2011-09-19 | 2011-09-19 | Combined type boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202239699U (en) |
-
2011
- 2011-09-19 CN CN2011203508169U patent/CN202239699U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20120530 Termination date: 20120919 |