CN204248058U - Rotary cutter can be loaded and unloaded - Google Patents
Rotary cutter can be loaded and unloaded Download PDFInfo
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- CN204248058U CN204248058U CN201420728980.2U CN201420728980U CN204248058U CN 204248058 U CN204248058 U CN 204248058U CN 201420728980 U CN201420728980 U CN 201420728980U CN 204248058 U CN204248058 U CN 204248058U
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- bumped
- connector
- rotary cutter
- load
- accessibke porosity
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Abstract
The utility model discloses one and can load and unload rotary cutter, comprise hold assembly, cutting part and be bumped into connector, described hold assembly comprises clamping head and clamping shank, the end face of described clamping head offers the axial recess for being bumped into connector described in installing, the described connector that is bumped into is installed in described axial recess, be bumped into described in described cutting part is installed on connector, the described rotary cutter that loads and unloads also comprises retention device, described retention device is connected with the described connector that is bumped into and is fastened in described axial recess by the described connector that is bumped into, of the present utility modelly load and unload rotary cutter to have structure simple, the advantages such as accurate positioning is reliable.
Description
Technical field
The utility model relates to cutting tool, particularly relates to one and can load and unload rotary cutter.
Background technology
Rotary cutter only has cutting tip to participate in cutting in process, clamping shank does not participate in cutting, scrapping of whole rotary cutter is caused in order to avoid cutting tip damages, extend the service life of rotary cutter, in industry, the cutting portion of rotary cutter and clamping shank are independently arranged, cutting portion, clamping shank realizes cutting tip repeating on clamping shank by connected modes such as regular screw threads and loads and unloads, due to operating mode and the requirement to crudy, clamping shank needs to adopt carbide alloy material usually, but in carbide alloy, process inner hole thread there is processing difficulties, working (machining) efficiency is low, the problems such as processing cost is high, in prior art, between cutting tip and instrument toggle, increase by one is bumped into part usually, the common part that is bumped into is stepped cylindrical shape, instrument toggle is bumped into by interference fit, if but cemented carbide can because hardness height produces embrittlement when the magnitude of interference is larger, if and the magnitude of interference is less that the coupling force between counterpart can be caused also little, the phenomenon that slip is even bumped into part pull-out is easily produced when cutting part bears larger external loading.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides that a kind of structure is simple, accurate positioning reliably can load and unload rotary cutter.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
One can load and unload rotary cutter, comprise hold assembly, cutting part and be bumped into connector, described hold assembly comprises clamping head and clamping shank, the end face of described clamping head offers the axial recess for being bumped into connector described in installing, the described connector that is bumped into is installed in described axial recess, be bumped into described in described cutting part is installed on connector, the described rotary cutter that loads and unloads also comprises retention device, and described retention device is connected with the described connector that is bumped into and is fastened in described axial recess by the described connector that is bumped into.
Further improvement as technique scheme:
Be bumped into the outer wall curved surface of connector described in the accessibke porosity that described retention device comprises securing member, radial direction runs through the periphery of described clamping head and radial direction run through and the inner via hole corresponding with described accessibke porosity, described securing member is arranged in described accessibke porosity and inner via hole.
Described securing member comprises into stair-stepping large diameter cylinder and small-diameter circular cylinder, and described accessibke porosity and inner via hole are screwed hole, and described cylinder with large diameter external surface is provided with the external screw thread coordinated with described external screw thread and inner via hole.
Described securing member is circular cone shape bearing pin, and described accessibke porosity and inner via hole are all with the tapering corresponding with described circular cone shape bearing pin, and described circular cone shape bearing pin and described accessibke porosity, inner via hole are interference fit.
The cone angle of described circular cone shape bearing pin meets: 5 '≤α≤3 °.
Described retention device comprises fills chamber and fills adhesive, described filling chamber is formed by the gap arranged between the inwall of described axial recess and the outer wall curved surface being bumped into connector, and described filling adhesive to be filled in described filling chamber and to be bumped into connector and described hold assembly tight bond by described.
Described filling adhesive is binding agent or welding material.
The described connector that is bumped into is provided with the internal thread hole installing described cutting part, and the bottom of described internal thread hole is provided with driven tool mounting groove.
Compared with prior art, the utility model has the advantage of:
(1) of the present utility modelly rotary cutter is loaded and unloaded, comprise hold assembly, cutting part and be bumped into connector, hold assembly comprises clamping head and clamping shank, the end face of clamping head offer for installing the axial recess being bumped into connector, being bumped into connector is installed in axial recess, cutting part is installed in and is bumped on connector, rotary cutter can be loaded and unloaded and also comprise retention device, retention device be bumped into connector and be connected and connector will be bumped into and be fastened in axial recess, realize being bumped into the axial and circumferential location of connector by arranging retention device simultaneously, accurate positioning, structure is simple and easy for installation.
(2) accessibke porosity that retention device comprises securing member, radial direction runs through the periphery of clamping head and radial direction run through the outer wall curved surface the inner via hole corresponding with accessibke porosity that are bumped into connector, securing member is arranged in accessibke porosity and inner via hole, the securing member form be arranged in accessibke porosity and inner via hole is adopted to realize being bumped into the axial and circumferential location of connector on clamping head, not only location is reliable, bonding strength is high, and easy to process, be convenient to dismounting.
(3) retention device comprises filling chamber and fills adhesive, fill chamber to be formed by the gap arranged between the inwall of axial recess and the outer wall curved surface being bumped into connector, filling adhesive is filled in fills in chamber and will be bumped into connector and hold assembly tight bond, do not need to increase miscellaneous part, be bumped into connector accurate positioning and high with the bonding strength of hold assembly, structure is simple, be convenient to implement.
Accompanying drawing explanation
Fig. 1 is the three-dimensional structure diagram that the utility model can load and unload the first embodiment of rotary cutter.
Fig. 2 is the three-dimensional structure diagram that the first embodiment of the utility model is bumped into connector.
Fig. 3 is the three-dimensional structure diagram of the first embodiment hold assembly of the utility model.
Fig. 4 is the partial sectional view of the first embodiment of the utility model.
Fig. 5 is the three-dimensional structure diagram that the utility model can load and unload rotary cutter the second embodiment.
Fig. 6 is the partial sectional view of the utility model the second embodiment.
Fig. 7 is the three-dimensional structure diagram that the utility model can load and unload the third embodiment of rotary cutter.
The three-dimensional structure diagram of the third embodiment hold assembly of Fig. 8 the utility model.
The third embodiment of Fig. 9 the utility model is bumped into the three-dimensional structure diagram of connector.
Figure 10 is the partial sectional view of the third embodiment of the utility model.
In figure, each label represents:
1, hold assembly; 11, axial recess; 2, cutting part; 3, connector is bumped into; 31, outer wall curved surface; 32, internal thread hole; 33, driven tool mounting groove; 4, retention device; 41, accessibke porosity; 42, inner via hole; 43, securing member; 44, chamber is filled; 45, adhesive is filled.
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 the first embodiment that the utility model can load and unload rotary cutter, the loaded and unloaded rotary cutter of the present embodiment, comprise hold assembly 1, cutting part 2 and be bumped into connector 3, hold assembly 1 comprises clamping head and clamping shank, the end face of clamping head offer for installing the axial recess 11 being bumped into connector 3, being bumped into connector 3 is installed in axial recess 11, cutting part 2 is installed in and is bumped on connector 3, rotary cutter can be loaded and unloaded and also comprise retention device 4, retention device 4 be bumped into connector 3 and be connected and connector 3 will be bumped into and be fastened in axial recess 11, realize being bumped into the axial and circumferential location of connector 3 by arranging retention device 4 simultaneously, structure is simple and accurate positioning is reliable.
In the present embodiment, the accessibke porosity 41 that retention device 4 comprises securing member 43, radial direction runs through the periphery of clamping head and radial direction run through the outer wall curved surface 31 inner via hole 42 corresponding with accessibke porosity 41 that are bumped into connector 3, securing member 43 is arranged in accessibke porosity 41 and inner via hole 42, securing member 43 form be arranged in accessibke porosity 41 and inner via hole 42 is adopted to realize being bumped into the axial and circumferential location of connector 3 on clamping head, not only location is reliable, bonding strength is high, and easy to process, be convenient to dismounting.
In the present embodiment, securing member 43 comprises into stair-stepping large diameter cylinder and small-diameter circular cylinder, accessibke porosity 41 and inner via hole 42 are screwed hole, cylinder with large diameter external surface is provided with the external screw thread coordinated with accessibke porosity 41 and inner via hole 42, makes hold assembly 1 and securing member 43, securing member 43 more reliable and more stable with the connection being bumped into connector 3 by threaded engagement.
In the present embodiment, be bumped into the internal thread hole 32 that connector 3 is provided with installing cutting part 2, the bottom of internal thread hole 32 is provided with driven tool mounting groove 33, being bumped into connector 3 is threaded connection fixing with cutting part 2, locate reliable and be convenient to dismounting, driven tool mounting groove 33 is set, is convenient to be bumped into the installation of connector 3 on hold assembly 1.
In the present embodiment, securing member 43 entirety is placed in accessibke porosity 41, does not expose.
Fig. 5 and Fig. 6 shows the second embodiment that the utility model can load and unload rotary cutter, this embodiment is substantially identical with the first embodiment, difference is only: the securing member 43 in the present embodiment is circular cone shape bearing pin, accessibke porosity 41 and inner via hole 42 are all with the tapering corresponding with circular cone shape bearing pin, circular cone shape bearing pin and accessibke porosity 41, inner via hole 42 are interference fit, make to be bumped into connector 3 and securing member 43, hold assembly 1 and securing member 43 all compact siro spinning technology by interference fit, loosening appears in the axial location or the circumference location that prevent from being bumped into connector 3.
In order to not only meet positioning requirements but also be convenient to processing, the cone angle of circular cone shape bearing pin meets: 5 '≤α≤3 °, in the present embodiment, and α=1 °.
In the present embodiment, for the ease of the dismounting of securing member 43, the length of circular cone shape bearing pin is greater than the length of accessibke porosity 41, and namely circular cone shape bearing pin part is placed in beyond clamping head, and instrument easy to use carries out the dismounting of securing member 43.
Fig. 7 to Figure 10 shows the third embodiment of the present utility model, in this embodiment, retention device 4 comprises fills chamber 44 and fills adhesive 45, fill chamber 44 to be formed by the gap arranged between the inwall of axial recess 11 and the outer wall curved surface 31 being bumped into connector 3, filling adhesive 45 is filled in fills in chamber 44 and will be bumped into connector 3 and hold assembly 1 tight bond, do not need to increase miscellaneous part, be bumped into connector accurate positioning and high with the bonding strength of hold assembly, structure is simple, be convenient to implement.
Filling adhesive 45 is binding agent or welding material, and in the present embodiment, filling adhesive 45 is binding agent, if filling adhesive 45 is set to welding material, can first fill being filled to rapidly after welding material high temperature melting in chamber 44.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (8)
1. one kind can be loaded and unloaded rotary cutter, comprise hold assembly (1), cutting part (2) and be bumped into connector (3), described hold assembly (1) comprises clamping head and clamping shank, the end face of described clamping head offers the axial recess (11) for being bumped into connector (3) described in installing, the described connector (3) that is bumped into is installed in described axial recess (11), be bumped on connector (3) described in described cutting part (2) is installed in, it is characterized in that: the described rotary cutter that loads and unloads also comprises retention device (4), described retention device (4) is connected with the described connector (3) that is bumped into and is fastened in described axial recess (11) by the described connector (3) that is bumped into.
2. according to claim 1ly load and unload rotary cutter, it is characterized in that: be bumped into the outer wall curved surface (31) of connector (3) described in the accessibke porosity (41) that described retention device (4) comprises securing member (43), radial direction runs through the periphery of described clamping head and radial direction run through and the inner via hole (42) corresponding with described accessibke porosity (41), described securing member (43) is arranged in described accessibke porosity (41) and inner via hole (42).
3. according to claim 2ly load and unload rotary cutter, it is characterized in that: described securing member (43) comprises into stair-stepping large diameter cylinder and small-diameter circular cylinder, described accessibke porosity (41) and inner via hole (42) are screwed hole, and described cylinder with large diameter external surface is provided with the external screw thread coordinated with described accessibke porosity (41) and inner via hole (42).
4. according to claim 2ly load and unload rotary cutter, it is characterized in that: described securing member (43) is circular cone shape bearing pin, described accessibke porosity (41) and inner via hole (42) are all with the tapering corresponding with described circular cone shape bearing pin, and described circular cone shape bearing pin and described accessibke porosity (41), inner via hole (42) are interference fit.
5. according to claim 4ly load and unload rotary cutter, it is characterized in that: the cone angle of described circular cone shape bearing pin meets: 5 '≤α≤3 °.
6. according to claim 1ly load and unload rotary cutter, it is characterized in that: described retention device (4) comprises fills chamber (44) and fills adhesive (45), described filling chamber (44) is formed by the gap arranged between the inwall of described axial recess (11) and the outer wall curved surface (31) being bumped into connector (3), and described filling adhesive (45) to be filled in described filling chamber (44) and to be bumped into connector (3) and described hold assembly (1) tight bond by described.
7. according to claim 6ly load and unload rotary cutter, it is characterized in that: described filling adhesive (45) is binding agent or welding material.
8. according to any one of claim 1 to 7ly load and unload rotary cutter, it is characterized in that: described in be bumped into connector (3) be provided with installing described cutting part (2) internal thread hole (32), the bottom of described internal thread hole (32) is provided with driven tool mounting groove (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728980.2U CN204248058U (en) | 2014-11-28 | 2014-11-28 | Rotary cutter can be loaded and unloaded |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420728980.2U CN204248058U (en) | 2014-11-28 | 2014-11-28 | Rotary cutter can be loaded and unloaded |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204248058U true CN204248058U (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420728980.2U Active CN204248058U (en) | 2014-11-28 | 2014-11-28 | Rotary cutter can be loaded and unloaded |
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| CN (1) | CN204248058U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437070A (en) * | 2018-03-14 | 2018-08-24 | 林朝强 | A kind of multiple blade saw |
| CN110883380A (en) * | 2019-11-28 | 2020-03-17 | 株洲钻石切削刀具股份有限公司 | Composite cutting tool |
-
2014
- 2014-11-28 CN CN201420728980.2U patent/CN204248058U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437070A (en) * | 2018-03-14 | 2018-08-24 | 林朝强 | A kind of multiple blade saw |
| CN110883380A (en) * | 2019-11-28 | 2020-03-17 | 株洲钻石切削刀具股份有限公司 | Composite cutting tool |
| CN110883380B (en) * | 2019-11-28 | 2021-01-29 | 株洲钻石切削刀具股份有限公司 | Composite cutting tool |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |