CN104191023A - Combined milling cutter - Google Patents
Combined milling cutter Download PDFInfo
- Publication number
- CN104191023A CN104191023A CN201410422613.4A CN201410422613A CN104191023A CN 104191023 A CN104191023 A CN 104191023A CN 201410422613 A CN201410422613 A CN 201410422613A CN 104191023 A CN104191023 A CN 104191023A
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- Prior art keywords
- blind rivet
- pin
- passage
- cutter
- knife
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Abstract
The invention discloses a combined milling cutter which comprises a tubular knife handle (2) and a tool bit (4) with a cutting edge, wherein the tubular knife handle (2) is detachably connected with the tool bit (4). The combined milling cutter is characterized in that a blind rivet mounting channel (6) is formed along the axis of the tubular knife handle (2); a blind rivet (8) is arranged in the blind rivet mounting channel (6); a threaded hole (10) is formed in one end of the blind rivet (8) along the axis; an external thread in threaded connection with the threaded hole (10) is formed in one end of the tool bit (4); multiple pin holes (12) are uniformly formed in the surface of the tubular knife handle (2) at intervals by taking the axis of the tubular knife handle (2) as the center and are communicated with the blind rivet mounting channel (6); and the blind rivet (8) is fixed in the blind rivet mounting channel (6) through pins (14). The combined milling cutter disclosed by the invention has the advantages of being high in processing efficiency and long in service life and capable of effectively reducing the processing cost.
Description
Technical field
The present invention relates to a kind of milling cutter, relate in particular to a kind of cutter block.
Background technology
In recent years, along with the develop rapidly of the industries such as automobile, Aero-Space and lathe manufacture, more and more higher to the crudy requirement of parts, difficulty of processing is also increasing, milling cutter is as one of main cutting tools for cutting of parts machining, and it is mainly used in processing plane, step, groove, molded surface etc.At present, in many eurypalynous milling cutters, the utilization rate of slotting cutter is the highest, it is mainly used in the processing of groove and step, on the periphery of slotting cutter and end face, there is cutting edge, add and cut man-hour simultaneously, it is climb cutting, upmilling carries out simultaneously, so milling cutter can be subject to cutting resistance axially and radially simultaneously, therefore, when the milling cutter length that overhangs, workpiece cavity is darker, when workpiece material work hardening phenomenon is serious, cutting resistance can increase greatly, milling cutter blade will be subject to larger impact, milling cutter rust after long-time use, the Radial resistant force being subject to and axial resistance also increase thereupon, the risk of milling cutter breaking just can increase greatly, the lighter's cutter is discarded, again change milling cutter, affect working (machining) efficiency, improve processing cost, severe one can cause workpiece, device damage, the person's that even threatens execute-in-place personal safety.Yet, in long-term use, find: use high-speed steel milling cutter and welding alloy milling cutter can avoid to a certain extent the generation of above-mentioned situation, but high-speed steel milling cutter and welding alloy milling cutter still have weak point in use, concrete: because existing each type component is main mainly with difficult-to-machine materials such as steel parts, so can exist working (machining) efficiency low with high-speed steel milling cutter processing steel part, cutter life is short, the defect that processing cost is higher and problem, and during with welding alloy milling cutter, because the blade of welding alloy milling cutter all adopts Hardmetal materials, though working (machining) efficiency can promote, but because milling cutter has a step welding procedure in manufacture process, can cause damage to material of cutting-tool, so its service life is shorter, still cannot meet efficient, processing request cheaply.
Summary of the invention
Technical problem to be solved by this invention is to provide the cutter block that a kind of working (machining) efficiency is higher, service life is long and can effectively cut down finished cost.
For solving the problems of the technologies described above, the invention provides a kind of cutter block, comprise the tubulose handle of a knife removably connecting and the cutter head with blade, axis along described tubulose handle of a knife is provided with blind rivet installation passage, described blind rivet is installed in passage and is provided with blind rivet, one end of described blind rivet is provided with screwed hole along its axis, one end of described cutter head has the external screw thread being threaded with described screwed hole, evenly spacedly centered by the axis of described tubulose handle of a knife on the surface of described tubulose handle of a knife be provided with a plurality of pin holes, described pin hole is installed passage with described blind rivet and is communicated, pin is fixed on described blind rivet by described pin hole by described blind rivet and installs in passage.
The inwall of described pin hole is provided with internal thread, and the surface of described pin is provided with the external screw thread matching with described internal thread.
Described pin is frustum with the end of one end that described blind rivet contacts, and has the keyway coordinating with the end shape of described pin on described blind rivet.
The link of described cutter head has a male cone (strobilus masculinus), and the cone angle of described male cone (strobilus masculinus) is 5-6 degree, and described blind rivet is installed passage and had the inner conical surface matching with described male cone (strobilus masculinus).
Described blind rivet is installed passage and is had one section of shoulder hole, and the diameter of described shoulder hole is less than the diameter of described blind rivet.
Compared with prior art, beneficial effect of the present invention is: because cutter head and the handle of a knife of cutter block of the present invention removably connects, and pass through blind rivet, pin can make on cutter head, to have enough large pretightning force, thereby stable is fixed on handle of a knife, darker at processing work die cavity like this, the cutter length that overhangs, workpiece material work hardening phenomenon is serious, when cutting resistance is large, because cutter head is fixing more firm, thereby can make milling cutter capable of being enough bear larger resistance, thereby there is longer service life, and cutter head can adopt separately Hardmetal materials to make, so can improve working (machining) efficiency, and handle of a knife adopts separately other material, can reduce the manufacturing cost of cutter, therefore, working (machining) efficiency of the present invention is higher, service life is longer, and can effectively cut down finished cost.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is exploded view of the present invention.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with drawings and embodiments, the present invention is described in further details.At this, exemplary embodiment of the present invention and explanation are used for explaining the present invention, but not as a limitation of the invention.
Shown in Fig. 1 and Fig. 2, a kind of cutter block, comprise the tubulose handle of a knife 2 removably connecting and the cutter head 4 with blade, wherein, axis along tubulose handle of a knife 2 is provided with blind rivet installation passage 6, this blind rivet is installed in passage 6 and is provided with blind rivet 8, one end of this blind rivet 8 is provided with screwed hole 10 along its axis, one end of cutter head 4 has the external screw thread being threaded with screwed hole 10, be that cutter head 4 can be threaded with pulling 8 realizations, evenly spacedly centered by the axis of tubulose handle of a knife 2 on the surface of tubulose handle of a knife 2 be provided with a plurality of pin holes 12, this pin hole 12 is installed passage 6 with blind rivet and is communicated, pin 14 is fixed on blind rivet by pin hole 12 by blind rivet 8 and installs in passage 6.
In actual use, for making structure of the present invention compacter, processing stability, precision are higher, at the inwall of pin hole 12, are provided with M6 internal thread, and the surface of pin 14 is provided with the M6 extra screw thread matching with internal thread; The end of one end that pin 14 contacts with blind rivet 8 is the frustum of circular cone, cone angle is 40 degree, on blind rivet 8, there is the keyway 16 coordinating with the end shape of pin 14, the angle of this keyway 16 is 40 degree, by this structural design pin 14, the stable blind rivet that is fixed on of blind rivet 8 can be installed in passage 6, thereby be prevented that the phenomenon of rocking from appearring in blind rivet 8 in process.In addition for further making cutter head 4 more stable in process, the link of cutter head 4 has a male cone (strobilus masculinus) 41, the cone angle of this male cone (strobilus masculinus) 41 is 5-6 degree, blind rivet is installed passage 6 and is had the inner conical surface 61 matching with male cone (strobilus masculinus) 41, the passage 6 of blind rivet installation simultaneously has one section of shoulder hole 62, and the diameter of this shoulder hole 62 is less than the diameter of blind rivet 8.
During use, the top that blind rivet 8 is installed to passage 6 from blind rivet penetrates, cutter head 4 is screwed in the screwed hole 10 on blind rivet 8 with externally threaded one end, rotary cutter 4 is because the diameter of shoulder hole 62 is less than the diameter of blind rivet 8, so blind rivet 8 can be positioned at shoulder hole 62 places for the first time, then, pin 14 passes through pin hole 12 by the blind rivet locked inside at blind rivet installing hole 6 tightly.
In addition, in the present invention, cutter head 4 adopts Hardmetal materials to be made into integration, handle of a knife 2, pin 14 and blind rivet 8 all adopt high-speed steel to make, this on the basis removably connecting, adopt different materials to make each parts, guaranteeing in efficient situation, can reduce cost of manufacture again, thereby indirectly reduce the processing cost of parts, secondly, arbitrarily after component wear, only need corresponding replacing, for example: after cutter head 4 wearing and tearing, only need to change cutter head 4, and handle of a knife 2, pin 14 or blind rivet 8 still can continue to use, thus saving resource.
Claims (5)
1. a cutter block, comprise the tubulose handle of a knife (2) removably connecting and the cutter head (4) with blade, it is characterized in that: the axis along described tubulose handle of a knife (2) is provided with blind rivet installation passage (6), described blind rivet is installed in passage (6) and is provided with blind rivet (8), one end of described blind rivet (8) is provided with screwed hole (10) along its axis, one end of described cutter head (4) has the external screw thread being threaded with described screwed hole (10), at the surface of described tubulose handle of a knife (2) evenly spaced a plurality of pin holes (12) that are provided with centered by the axis of described tubulose handle of a knife (2), described pin hole (12) is installed passage (6) with described blind rivet and is communicated, pin (14) is fixed on described blind rivet by described pin hole (12) by described blind rivet (8) and installs in passage (6).
2. cutter block according to claim 1, is characterized in that: the inwall of described pin hole (12) is provided with internal thread, and the surface of described pin (14) is provided with the external screw thread matching with described internal thread.
3. cutter block according to claim 2, it is characterized in that: described pin (14) is frustum with the end of one end that described blind rivet (8) contacts, on described blind rivet (8), there is the keyway (16) coordinating with the end shape of described pin (14).
4. cutter block according to claim 3, it is characterized in that: the link of described cutter head (4) has a male cone (strobilus masculinus) (41), the cone angle of described male cone (strobilus masculinus) (41) is 5-6 degree, and described blind rivet is installed passage (6) and had the inner conical surface (61) matching with described male cone (strobilus masculinus) (41).
5. cutter block according to claim 4, is characterized in that: described blind rivet is installed passage (6) and had one section of shoulder hole (62), and the diameter of described shoulder hole (62) is less than the diameter of described blind rivet (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422613.4A CN104191023A (en) | 2014-08-25 | 2014-08-25 | Combined milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410422613.4A CN104191023A (en) | 2014-08-25 | 2014-08-25 | Combined milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104191023A true CN104191023A (en) | 2014-12-10 |
Family
ID=52076470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410422613.4A Pending CN104191023A (en) | 2014-08-25 | 2014-08-25 | Combined milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104191023A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000414A (en) * | 2019-03-29 | 2019-07-12 | 太仓瑞鼎精密机械科技有限公司 | Side fills gang tool |
| CN113560646A (en) * | 2021-08-19 | 2021-10-29 | 沈阳飞机工业（集团）有限公司 | Welded structure end mill |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391022A (en) * | 1991-03-13 | 1995-02-21 | Mitsubishi Materials Corporation | Cutting tool |
| WO2007019827A1 (en) * | 2005-08-12 | 2007-02-22 | Kennametal Widia Produktions Gmbh & Co. Kg | Machining tool |
| CN201543879U (en) * | 2009-11-13 | 2010-08-11 | 上海电气电站设备有限公司 | Cutter row for deepened milling cutter |
| CN101837486A (en) * | 2010-05-31 | 2010-09-22 | 哈尔滨汽轮机厂有限责任公司 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
| CN203091828U (en) * | 2013-01-11 | 2013-07-31 | 震虎精密科技股份有限公司 | Combined milling cutter |
| CN203610760U (en) * | 2013-10-17 | 2014-05-28 | 常州市海伦工具有限公司 | Assembly structure of milling cutter |
| CN204018821U (en) * | 2014-08-25 | 2014-12-17 | 锑玛(苏州)精密工具有限公司 | A kind of cutter block |
-
2014
- 2014-08-25 CN CN201410422613.4A patent/CN104191023A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5391022A (en) * | 1991-03-13 | 1995-02-21 | Mitsubishi Materials Corporation | Cutting tool |
| WO2007019827A1 (en) * | 2005-08-12 | 2007-02-22 | Kennametal Widia Produktions Gmbh & Co. Kg | Machining tool |
| CN201543879U (en) * | 2009-11-13 | 2010-08-11 | 上海电气电站设备有限公司 | Cutter row for deepened milling cutter |
| CN101837486A (en) * | 2010-05-31 | 2010-09-22 | 哈尔滨汽轮机厂有限责任公司 | Head-adjustable hard alloy ball-end milling cutter with TiN composite coating |
| CN203091828U (en) * | 2013-01-11 | 2013-07-31 | 震虎精密科技股份有限公司 | Combined milling cutter |
| CN203610760U (en) * | 2013-10-17 | 2014-05-28 | 常州市海伦工具有限公司 | Assembly structure of milling cutter |
| CN204018821U (en) * | 2014-08-25 | 2014-12-17 | 锑玛(苏州)精密工具有限公司 | A kind of cutter block |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000414A (en) * | 2019-03-29 | 2019-07-12 | 太仓瑞鼎精密机械科技有限公司 | Side fills gang tool |
| CN110000414B (en) * | 2019-03-29 | 2024-01-05 | 太仓瑞鼎精密机械科技有限公司 | Side-mounted combined cutter |
| CN113560646A (en) * | 2021-08-19 | 2021-10-29 | 沈阳飞机工业（集团）有限公司 | Welded structure end mill |
| CN113560646B (en) * | 2021-08-19 | 2024-04-16 | 沈阳飞机工业（集团）有限公司 | End mill with welded structure |
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| PB01 | Publication | ||
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Application publication date: 20141210 |