CN203804301U - Rotary cutter capable of being assembled and disassembled - Google Patents
Rotary cutter capable of being assembled and disassembled Download PDFInfo
- Publication number
- CN203804301U CN203804301U CN201420218513.5U CN201420218513U CN203804301U CN 203804301 U CN203804301 U CN 203804301U CN 201420218513 U CN201420218513 U CN 201420218513U CN 203804301 U CN203804301 U CN 203804301U
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- China
- Prior art keywords
- clamping
- rotary cutter
- dismantled
- cutting part
- clamping part
- 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
- 238000004804 winding Methods 0.000 claims description 16
- 238000012856 packing Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a rotary cutter capable of being assembled and disassembled. The rotary cutter capable of being assembled and disassembled comprises a tool sleeve handle and a cutting part, wherein the cutting part is mounted on the tool sleeve handle; the tool sleeve handle comprises a sleeve handle head and a sleeve handle tail; the cutting part comprises a cutting part and a clamping part; a clamping mark is formed in the tool sleeve handle; a mounting mark is formed in the cutting part; when the clamping part is assembled into the sleeve handle head, the clamping mark is aligned to the mounting mark. The rotary cutter capable of being assembled and disassembled has the advantages of high connection strength, and quickness and convenience in assembly and disassembly.
Description
Technical field
The utility model relates to rotary cutter, relates in particular to a kind of dismantled and assembled rotary cutter.
Background technology
Rotary cutter generally includes cutting portion and clamping shank two parts, in the course of work of rotary cutter, only have cutting portion participate in cutting and more fragile, scrapping of whole rotary cutter will be caused for fear of the damage because of cutting portion, extend the service life of rotary cutter, conventionally rotary cutter is set to detachable cutting portion and clamping shank, the modes such as cutting portion is threaded connection are installed on clamping shank, can only change cutting portion if damaging appears in cutting portion, but because the stationkeeping ability that is threaded is not strong, be difficult to ensure that card is installed in the dimensional uniformity of the cutting portion on clamping shank, simultaneously in order to ensure bonding strength, install, when dismounting of cutting portion, all need rotation amounts more than five circles, operate very inconvenient, in prior art, connect to improve stationkeeping ability by changing regular screw threads connected mode into multiple thread, reduce rotation amount, but this mode is prone to can not be quick while installation, the accurately problem of location, causing to be repeatedly screwed into and to back-out just can complete correct installation.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of bonding strength high and handling dismantled and assembled rotary cutter fast, easily.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of dismantled and assembled rotary cutter, comprise instrument toggle and be arranged on the cutting part on described instrument toggle, described instrument toggle comprises cover negative winding stem and cover handle tail, described cutting part comprises cutting portion and clamping part, described instrument toggle is provided with clamping mark, described cutting part is provided with adjustment notch, and in the time packing described clamping part into described cover negative winding stem, described clamping mark is aimed at described adjustment notch.
Further improvement as technique scheme:
Described clamping part is connected by multiple thread with described cover negative winding stem.
The end face of described cover negative winding stem be provided with clamping recessed, described clamping part be set in described clamping recessed in.
Described cutting part also comprises the handling moment of torsion face of being convenient to handling instrument and clamping described cutting part, and described handling moment of torsion face is arranged on described cutting portion one end near described clamping part.
Described adjustment notch is arranged on described handling moment of torsion face.
The cavity that described clamping is recessed and the axial cross section of clamping part are the tapering conical surface identical and that shrink to described cover handle tail, and 0.5 °≤γ≤30 ° of span of conical surface drift angle γ.
Between described cutting portion and clamping part, be provided with stage portion, when described cutting part is in place on described instrument toggle, between described end face and described stage portion, have apart from d, and 0 < d≤0.1mm.
Compared with prior art, the utility model has the advantage of:
Dismantled and assembled rotary cutter of the present utility model comprises instrument toggle and is arranged on the cutting part on instrument toggle, instrument toggle comprises cover negative winding stem and cover handle tail, cutting part comprises cutting portion and clamping part, cover negative winding stem is provided with clamping mark, clamping part is provided with adjustment notch, in the time clamping part being packed into cover negative winding stem, clamping mark is aimed at adjustment notch, the installation of cutting part can be fast, accurately completed, the problem that causes fast, correctly completing installation can not be accurately located before there will not be installation.
Brief description of the drawings
Fig. 1 is the structural representation of the dismantled and assembled rotary cutter of the utility model.
Fig. 2 is the partial sectional view of Fig. 1.
Fig. 3 is the structural representation of the utility model instrument toggle.
Fig. 4 is the structural representation of the utility model cutting part.
In figure, each label represents:
1, instrument toggle; 11, cover negative winding stem; 12, cover handle tail; 13, end face; 14, clamp recessed; 2, cutting part; 21, cutting portion; 22, handling moment of torsion face; 23, stage portion; 24, clamping part; 3, clamping mark; 4, adjustment notch.
Detailed description of the invention
Below with reference to Figure of description and specific embodiment, the utility model is described in further details.
Fig. 1 to Fig. 4 shows a kind of embodiment of the dismantled and assembled rotary cutter of the utility model, this dismantled and assembled rotary cutter comprises instrument toggle 1 and is arranged on the cutting part 2 on instrument toggle 1, instrument toggle 1 comprises cover negative winding stem 11 and cover handle tail 12, cutting part 2 comprises cutting portion 21 and clamping part 24, instrument toggle 1 is provided with clamping mark 3, cutting part 2 is provided with adjustment notch 4, in the time clamping part 24 being packed into cover negative winding stem 11, clamping mark 3 is aimed at adjustment notch 4, can be fast, accurately complete the installation of cutting part 2, there will not be that cause cannot be quick because can not accurately locating before installing, correctly complete the problem of installation.
In the present embodiment, clamping part 24 is connected by multiple thread with cover negative winding stem 11, ensures the bonding strength of instrument toggle 1 and cutting part 2.
In the present embodiment, it is recessed 14 that the end face 13 of cover negative winding stem 11 is provided with clamping, and clamping part 24 is set in clamping recessed 14.
In the present embodiment, cutting part 2 also comprises the handling moment of torsion face 22 of being convenient to handling instrument clamping cutting part 2, and handling moment of torsion face 22 is arranged on cutting portion 21 one end near clamping part 24, and handling instrument easy to use carries out clamping to cutting part 2.
In the present embodiment, adjustment notch 4 is arranged on handling moment of torsion face 22.
The axial cross section that clamps recessed 14 cavity and clamping part 24 is the tapering conical surface identical and that shrink to cover handle tail 12, and 0.5 °≤γ≤30 ° of span of conical surface drift angle γ, by clamp recessed 14 and clamping part 24 in axial cooperation, improve cutting part 2 and be arranged on the axial carrying capacity on instrument toggle 1, in the present embodiment, γ=10 °.
In the present embodiment; between cutting portion 21 and clamping part 24, be provided with stage portion 23; in the time that cutting part 2 is in place on instrument toggle 1; between end face 13 and stage portion 23, have apart from d; and 0 < d≤0.1 ㎜; can reduce the accuracy of manufacture requirement of screw thread in clamping part 24 and clamping recessed 14, in the time being threaded inefficacy, protect instrument toggle 1, extend the service life of instrument toggle 1.
Although the utility model discloses as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, in the situation that not departing from technical solutions of the utility model scope, all can utilize the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all should drop in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to the utility model technical spirit.
Claims (7)
1. a dismantled and assembled rotary cutter, comprise instrument toggle (1) and be arranged on the cutting part (2) on described instrument toggle (1), described instrument toggle (1) comprises cover negative winding stem (11) and cover handle tail (12), described cutting part (2) comprises cutting portion (21) and clamping part (24), it is characterized in that: described instrument toggle (1) is provided with clamping mark (3), described cutting part (2) is provided with adjustment notch (4), in the time packing described clamping part (24) into described cover negative winding stem (11), described clamping mark (3) is aimed at described adjustment notch (4).
2. dismantled and assembled rotary cutter according to claim 1, is characterized in that: described clamping part (24) is connected by multiple thread with described cover negative winding stem (11).
3. dismantled and assembled rotary cutter according to claim 1, is characterized in that: the end face (13) of described cover negative winding stem (11) is provided with clamping recessed (14), and described clamping part (24) is set in described clamping recessed (14).
4. according to dismantled and assembled rotary cutter claimed in claim 3, it is characterized in that: described cutting part (2) also comprises the handling moment of torsion face (22) of being convenient to handling instrument and clamping described cutting part (2), described handling moment of torsion face (22) is arranged on described cutting portion (21) one end near described clamping part (24).
5. according to dismantled and assembled rotary cutter claimed in claim 4, it is characterized in that: described adjustment notch (4) is arranged on described handling moment of torsion face (22).
6. according to the dismantled and assembled rotary cutter described in any one in claim 3 to 5, it is characterized in that: the cavity of described clamping recessed (14) is the tapering conical surface identical and that shrink to described cover handle tail (12) with the axial cross section of clamping part (24), and 0.5 °≤γ≤30 ° of span of conical surface drift angle γ.
7. according to the dismantled and assembled rotary cutter described in any one in claim 3 to 5, it is characterized in that: between described cutting portion (21) and clamping part (24), be provided with stage portion (23), when described cutting part (2) is in place on described instrument toggle (1), between described end face (13) and described stage portion (23), have apart from d, and 0 < d≤0.1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218513.5U CN203804301U (en) | 2014-04-30 | 2014-04-30 | Rotary cutter capable of being assembled and disassembled |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420218513.5U CN203804301U (en) | 2014-04-30 | 2014-04-30 | Rotary cutter capable of being assembled and disassembled |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804301U true CN203804301U (en) | 2014-09-03 |
Family
ID=51443112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420218513.5U Expired - Lifetime CN203804301U (en) | 2014-04-30 | 2014-04-30 | Rotary cutter capable of being assembled and disassembled |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804301U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001981A (en) * | 2014-04-30 | 2014-08-27 | 株洲钻石切削刀具股份有限公司 | Detachable rotary cutting tool |
| CN104384575A (en) * | 2014-11-05 | 2015-03-04 | 株洲钻石切削刀具股份有限公司 | Split rotating cutter |
-
2014
- 2014-04-30 CN CN201420218513.5U patent/CN203804301U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001981A (en) * | 2014-04-30 | 2014-08-27 | 株洲钻石切削刀具股份有限公司 | Detachable rotary cutting tool |
| CN104384575A (en) * | 2014-11-05 | 2015-03-04 | 株洲钻石切削刀具股份有限公司 | Split rotating cutter |
| CN104384575B (en) * | 2014-11-05 | 2017-03-29 | 株洲钻石切削刀具股份有限公司 | A kind of Split rotary 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: 20140903 |
|
| CX01 | Expiry of patent term |