CN203610760U - Assembly structure of milling cutter - Google Patents
Assembly structure of milling cutter Download PDFInfo
- Publication number
- CN203610760U CN203610760U CN201320643022.0U CN201320643022U CN203610760U CN 203610760 U CN203610760 U CN 203610760U CN 201320643022 U CN201320643022 U CN 201320643022U CN 203610760 U CN203610760 U CN 203610760U
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- Prior art keywords
- hole
- connecting rod
- milling cutter
- knife
- handle
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Abstract
The utility model relates to an assembly structure of a milling cutter. The assembly structure comprises a connecting rod connected with a machine tool, wherein a cavity with an opening in the bottom is formed in the lower end of the connecting rod, a transition connecting sleeve is matched in the cavity, radial holes are formed in the circumferential surface of the connecting rod, fastening screws for fastening the transition connecting sleeve in the cavity of the connecting rod are connected in the radial holes, a tightening screw is arranged at the top of the transition connecting sleeve, a Morse taper hole for installing the milling cutter is formed inside the transition connecting sleeve, one end of the milling cutter is assembled in the Morse taper hole and then fixed by the tightening screw, spherical mounting holes are formed in the circumferential surface of the transition connecting sleeve, the fastening screws penetrate through the radial holes in the connecting rod and then are in threaded connection with the spherical mounting holes in the transition connecting sleeve, and ends, which are located in the mounting holes, of the fastening screws are spherical. By means of the assembly structure, the transition connecting sleeve can be fastened reliably, and injuries to people due to throwing out of the transition connecting sleeve are prevented.
Description
Technical field
The utility model relates to a kind of assembly structure of milling cutter.
Background technology
Small-sized boring machine is applied very extensively in field of machining, existing small-sized boring machine adopts T-shaped nut tension-type milling cutter shank conventionally, this class milling cutter shank can meet basic process requirements, but structurally there is defect in this class milling cutter shank, be that its interlude is opened a kidney slot, make the length of whole boring lathe milling cutter device longer, this Structure Decreasing milling cutter shank milling strength and stiffness, when milling, easily produce vibration, reduce Milling Speed.
Publication number is that CN201783689U discloses a kind of milling cutter handle of boring machine, it mainly comprises boring cutter bar, the lower end of boring cutter bar is provided with the cavity of bottom opening, in described cavity, coordinate and be provided with dismountable transition connector and be located by connecting with it, the top of described transition connector is provided with stretching screw, and inside is provided with the mohs tapered bore for milling cutter is installed.On boring cutter bar periphery, be provided with radial hole, in this radial hole, connect transition connector is fastened on to the trip bolt in boring boring cutter bar cavity.Because the end of trip bolt holds out against the side face of transition connector, the consequence causing is like this: milling cutter is high-speed rotation in the course of the work, be subject to the effect of cutting resistance, produce very large torsion, so directly cause trip bolt cannot keep the fastening effect to transition connector, slight consequence is that transition connector comes off from boring cutter bar, and serious result is that transition connector throws away from boring cutter bar, injures staff.On the other hand, hold out against effect by trip bolt is one-side, cannot make the center of transition connector and the center of boring cutter bar keep overlapping, have influence on the precision of processing.
Summary of the invention
For the deficiencies in the prior art, the utility model provides a kind of assembly structure of milling cutter, and the utility model can carry out fastening reliably to transition adapter sleeve, avoid transition adapter sleeve throw away and hurt sb.'s feelings.
The technical scheme solving the problems of the technologies described above is as follows:
A kind of assembly structure of milling cutter, comprise the connecting rod of connecting machine tool, the lower end of connecting rod is provided with the cavity of bottom opening, in described cavity, coordinate transition connector, on connecting rod periphery, be provided with radial hole, in this radial hole, connect transition connector is fastened on to the trip bolt in connecting rod cavity, the top of described transition connector is provided with stretching screw, inside is provided with the mohs tapered bore for milling cutter is installed, one end of milling cutter is fixed by stretching screw after being assemblied in mohs tapered bore, the periphery of described transition connector is provided with sphere installing hole, described trip bolt is threaded with the sphere installing hole on transition connector after passing the radial hole on connecting rod, the end that is arranged in installing hole of described trip bolt is sphere.
Adopt such scheme, the utility model is provided with installing hole on the periphery of transition connector, and by trip bolt, transition connector and connecting rod are fastened as a whole, make transition connector axially and circumferentially all be subject to making use, can, because of in the course of the work because the torsion of cutting causes transition connector to throw away, not increase shop personnel's security.
Further, in the radial hole on described connecting rod, be provided with baffle plate, the axial end of the head of described trip bolt is by this baffle limiting.Position limitation by baffle plate to trip bolt, the length that makes trip bolt extend into the screw of the installing hole of transition connector is constant, because the length of all trip bolts itself is consistent, therefore, the length of trip bolt that is assigned to transition connector both sides is identical, therefore, this structure can coincide with the axis of connecting rod transition connector, increases the precision of processing.
Further, the cutter head that described milling cutter comprises handle of a knife and is fixedly connected with handle of a knife, described handle of a knife is provided with cooling fluid input hole and cooling fluid delivery outlet, the middle part of described cutter head is provided with installing hole, the axial end of handle of a knife is provided with screwed hole, handle of a knife is fixedly connected with cutter head by screw, the axial end of described screw is provided with the first axial hole and the second axial hole, the periphery of screw is provided with radial hole, the two ends of this radial hole are communicated with the first axial hole and the second axial hole respectively, the aperture of radial hole is provided with plug, after screw is fixing by handle of a knife and cutter head, cooling fluid input hole on handle of a knife is communicated with the first axial hole, cooling fluid delivery outlet is communicated with the second axial hole on screw, described connecting rod is provided with the hole being communicated with cavity.When the utility model uses, cooling fluid is inputted from cooling fluid input hole, cooling fluid flow through successively the first axial hole, radial hole, the second axial hole and cooling fluid delivery outlet on cooling fluid input hole stream, screw, like this, cooling fluid circulates in this path, the effect of logical heat transfer, the most of heat producing in milling cutter work is carried out to heat exchange, heat while making milling cutter work greatly reduces, thereby the metallicity of milling cutter self is guaranteed, and be also guaranteed its service life.
Further, the axial end with cutter head laminating of described handle of a knife is provided with the first cylinder boss and the second cylinder boss, described cooling fluid input hole is through the first cylinder boss, cooling fluid delivery outlet is through the second cylinder boss, the first cylinder boss is inserted in the first axial hole, and the second cylinder boss is inserted in the second axial hole.By the first cylinder boss and the second cylinder boss, not only make the combination of the cooling passage between cutter head and handle of a knife more tighter, but also contribute to the intensity connecting between the two, the reliability of milling cutter is improved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the assembly structure of a kind of milling cutter of the present utility model;
Fig. 2 is the structural representation of milling cutter in the utility model;
In accompanying drawing, 1 is connecting rod, and 1a is hole, and 2 is cavity, 3 is transition connector, and 4 is trip bolt, and 5 is stretching screw, and 6 is milling cutter, 61 is handle of a knife, and 62 is cutter head, and 63 is cooling fluid input hole, 64 is cooling fluid delivery outlet, and 65 is screw, and 66 is the first axial hole, 67 is the second axial hole, and 68 is radial hole, and 69 is plug, 610 is the first cylinder boss, and 611 is the second cylinder boss, and 7 is baffle plate.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is described further.
See figures.1.and.2, the assembly structure of a kind of milling cutter of the present utility model, comprises the connecting rod 1 of connecting machine tool, and the lower end of connecting rod 1 is provided with the cavity 2 of bottom opening, coordinates transition connector 3 in described cavity.On connecting rod 1 periphery, be provided with radial hole, in this radial hole, connect transition connector 3 is fastened on to the trip bolt 4 in connecting rod 1 cavity 2.The top of described transition connector is provided with stretching screw 5, and inside is provided with the mohs tapered bore for milling cutter is installed, and one end of milling cutter 6 is fixed by stretching screw after being assemblied in mohs tapered bore.The periphery of described transition connector 3 is provided with sphere installing hole, after the radial hole that described trip bolt 4 passes on connecting rod, is threaded with the sphere installing hole on transition connector, and the end that is arranged in installing hole of described trip bolt 4 is sphere.In radial hole on described connecting rod 1, be provided with baffle plate 7, the axial end of the head of described trip bolt 4 is spacing by this baffle plate 7.
The cutter head 62 that described milling cutter 6 comprises handle of a knife 61 and is fixedly connected with handle of a knife, described handle of a knife is provided with cooling fluid input hole 63 and cooling fluid delivery outlet 64, the middle part of described cutter head is provided with installing hole, and the axial end of handle of a knife is provided with screwed hole, and handle of a knife 61 is fixedly connected with cutter head 62 by screw 65.The axial end of described screw is provided with the first axial hole 66 and the second axial hole 67, the periphery of screw is provided with radial hole 68, the two ends of this radial hole 68 are communicated with the first axial hole 66 and the second axial hole 67 respectively, the aperture of radial hole 68 is provided with plug 69, screw 65 is by after fixing to handle of a knife 1 and cutter head 62, cooling fluid input hole 63 on handle of a knife 61 is communicated with the first axial hole 66, and cooling fluid delivery outlet 64 is communicated with the second axial hole 67 on screw.Described connecting rod 1 is provided with the hole 1a being communicated with cavity, and by hole, 1a is transported to cooling fluid on milling cutter.The axial end of fitting with cutter head 62 of handle of a knife 61 is provided with the first cylinder boss 610 and the second cylinder boss 611, described cooling fluid input hole 63 is through the first cylinder boss 610, cooling fluid delivery outlet 64 is through the second cylinder boss 611, the first cylinder boss 610 is inserted in the first axial hole 66, and the second cylinder boss 611 is inserted in the second axial hole 67.
Claims (4)
1. the assembly structure of a milling cutter, comprise the connecting rod of connecting machine tool, the lower end of connecting rod is provided with the cavity of bottom opening, in described cavity, coordinate transition connector, on connecting rod periphery, be provided with radial hole, in this radial hole, connect transition connector is fastened on to the trip bolt in connecting rod cavity, the top of described transition connector is provided with stretching screw, inside is provided with the mohs tapered bore for milling cutter is installed, one end of milling cutter is fixed by stretching screw after being assemblied in mohs tapered bore, it is characterized in that: the periphery of described transition connector is provided with sphere installing hole, described trip bolt is threaded with the sphere installing hole on transition connector after passing the radial hole on connecting rod, the end that is arranged in installing hole of described trip bolt is sphere.
2. the assembly structure of a kind of milling cutter according to claim 1, is characterized in that: in the radial hole on described connecting rod, be provided with baffle plate, the axial end of the head of described trip bolt is by this baffle limiting.
3. the assembly structure of a kind of milling cutter according to claim 1, it is characterized in that: the cutter head that described milling cutter comprises handle of a knife and is fixedly connected with handle of a knife, described handle of a knife is provided with cooling fluid input hole and cooling fluid delivery outlet, the middle part of described cutter head is provided with installing hole, the axial end of handle of a knife is provided with screwed hole, handle of a knife is fixedly connected with cutter head by screw, the axial end of described screw is provided with the first axial hole and the second axial hole, the periphery of screw is provided with radial hole, the two ends of this radial hole are communicated with the first axial hole and the second axial hole respectively, the aperture of radial hole is provided with plug, after screw is fixing by handle of a knife and cutter head, cooling fluid input hole on handle of a knife is communicated with the first axial hole, cooling fluid delivery outlet is communicated with the second axial hole on screw, described connecting rod is provided with the hole being communicated with cavity.
4. the assembly structure of a kind of milling cutter according to claim 3, it is characterized in that: the axial end with cutter head laminating of described handle of a knife is provided with the first cylinder boss and the second cylinder boss, described cooling fluid input hole is through the first cylinder boss, cooling fluid delivery outlet is through the second cylinder boss, the first cylinder boss is inserted in the first axial hole, and the second cylinder boss is inserted in the second axial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643022.0U CN203610760U (en) | 2013-10-17 | 2013-10-17 | Assembly structure of milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320643022.0U CN203610760U (en) | 2013-10-17 | 2013-10-17 | Assembly structure of milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203610760U true CN203610760U (en) | 2014-05-28 |
Family
ID=50763441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320643022.0U Expired - Fee Related CN203610760U (en) | 2013-10-17 | 2013-10-17 | Assembly structure of milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203610760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
-
2013
- 2013-10-17 CN CN201320643022.0U patent/CN203610760U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191023A (en) * | 2014-08-25 | 2014-12-10 | 锑玛(苏州)精密工具有限公司 | Combined milling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20151017 |
|
| EXPY | Termination of patent right or utility model |