CN104191024A - Right-angled milling head device - Google Patents
Right-angled milling head device Download PDFInfo
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- CN104191024A CN104191024A CN201410409939.3A CN201410409939A CN104191024A CN 104191024 A CN104191024 A CN 104191024A CN 201410409939 A CN201410409939 A CN 201410409939A CN 104191024 A CN104191024 A CN 104191024A
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Abstract
The invention discloses a right-angled milling head device. The right-angled milling head device comprise a box, a pull ring, a gland, a connecting key, a main rotating shaft, a transmission mechanism and a main shaft for driving the milling head to rotate; the main rotating shaft can be connected with the main shaft of an external machine tool by use of a connecting piece so as to be driven to rotate by the main shaft of the external machine tool; a connecting flange is arranged on the main rotating shaft; the transmission mechanism is connected between the main shaft and the main rotating shaft so that the rotating motion of the main rotating shaft can be converted into the rotating motion of the main shaft; the pull ring is clamped on the box; the gland is fixedly connected with the box; the connecting key is mounted on the gland and matched with the connecting flange; the pull ring is selectively connected with an external machine tool ram by use of a tensioning assembly; when the pull ring is loosened by use of the tensioning assembly, the connecting key is clamped with the connecting flange so that the main rotating shaft is capable of driving the box to turn by use of the connecting key and the gland; the main shaft is rotatably supported on the box. The right-angled milling head device is capable of realizing automatic indexing, and is high in indexing precision; as a result, the labor intensity is reduced and the auxiliary time is shortened.
Description
Technical field
The present invention relates to a kind of right-angle milling head device.
Background technology
At present, the right-angle milling head of prior art has the following advantages:
1, common right-angle milling head size is larger, and a right-angle head main-shaft axis main shaft end face distance of disembarking is short, for inner chamber workpiece narrow and small and that inner chamber is deep, just cannot process.
2, common right-angle milling head is manually to change head, manual calibration, automaticity is low, indexing accuracy is low, operator's labour intensity is large, non-cutting time is long, and calibration can only be realized in 4 90 degree directions, this head can only processing work four mutually perpendicular sides, if when running on the side on workpiece XZ plane with lathe and having angle to require, while being 30 degree angle such as the XZ plane of machined surface and lathe, in order to process this face, can only corresponding machined surface on workpiece be adjusted to and lathe X by doing special-purpose fixture, parallel or the plumbness of Y-axis could meet processing request,
3, common right-angle milling head only has a spindle taper hole as clutch end; machined surface need to be shut down during with machining hole and be changed different cutters, has increased non-cutting time, has reduced lathe efficiency; and handle of a knife arm length easily shakes to produce and connects tool marks during machined surface, machined surface quality is not high.
Summary of the invention
Technical problem to be solved by this invention is the defect that overcomes prior art, and a kind of right-angle milling head device is provided, and it can realize its automatic indexing, and indexing accuracy is high, has reduced labour intensity, has shortened non-cutting time.
In order to solve the problems of the technologies described above, technical scheme of the present invention is: a kind of right-angle milling head device, it comprises casing, draw ring body, gland, connecting key, main rotating shaft, transmission mechanism and the main shaft that drives milling head to rotate, main rotating shaft can be connected with outside machine tool chief axis by connector so that machine tool chief axis drives main rotating shaft to rotate, on main rotating shaft, there is adpting flange, described transmission mechanism is connected between main shaft and main rotating shaft to rotatablely moving of main rotating shaft is converted to rotatablely moving of main shaft, draw ring body is installed on casing, described gland is fixedly connected with casing, described connecting key is arranged on gland, connecting key matches with adpting flange, described draw ring body is selectively connected to adpting flange is selectively connected by draw ring body with connecting key with outside machine ram by pulling assembly, when draw ring body is by pulling assembly during in tension, described connecting key and adpting flange are separated, and casing is fixed, when draw ring body is by pulling assembly during in releasing orientation, described connecting key is with the clamping of adpting flange phase so that main rotating shaft drives casing to turn to by connecting key and gland, and described main shaft can be rotated to support on casing.
Further provide a kind of concrete form of transmission mechanism so that it makes main-shaft axis become large from the end face distance of machine tool chief axis in transferring power, make milling head be applicable to the workpiece that processing inner chamber is narrow and small and inner chamber is deep, described transmission mechanism comprises mainshaft gear, driving bevel gear, driven bevel pinion and Multi-stage transmission assembly, transmission component comprises driven rotating shaft and gear, gear set is on driven rotating shaft, driven rotating shaft can be rotated to support on casing, driving bevel gear is sleeved on described main rotating shaft, driven bevel pinion is sleeved on the driven rotating shaft of first order transmission component, driving bevel gear and driven bevel pinion engagement, the gear of transmission components at different levels meshes successively, the gear of the transmission component of afterbody and mainshaft gear engagement, mainshaft gear is sleeved on described main shaft.
A kind of version of main shaft is further provided, on main shaft, has been provided with BT40 taper hole output and/or flange form main shaft output for use in milling head is installed.
Further in order to guarantee that taper hole output and the flange form main shaft output of main shaft has good axiality, the flange form main shaft output of described main shaft comprises spindle flange, transition axis, attachment screw and pin assembly, spindle flange is connected with transition axis by attachment screw, transition axis is fixed on main shaft by attachment screw, and transition axis is positioned on main shaft by a pin assembly simultaneously, and spindle flange is positioned on transition axis by another pin assembly.
Further, in order to make main shaft can bear axial force again by bearing radial force, described main shaft can be rotated to support on casing by two groups of bearing group, and every group of bearing group comprises a plurality of angular contact ball bearings.
Thereby further in order to improve the automaticity of milling head and to guarantee when in calibration state that male contact and famale connector are thrown off simultaneously, effectively prevent that cooling fluid from polluting the phenomenon of milling head inner body, this right-angle milling head device also comprises cooling system, cooling system comprises male contact, passage block, nozzle and famale connector, male contact match with famale connector with convenient draw ring body by pulling assembly when the releasing orientation, male contact disconnection cooling fluid separated with famale connector and when draw ring body is by pulling assembly during in tension, male contact and famale connector are connected and are carried cooling fluid, male contact is arranged on draw ring body, famale connector is arranged on machine ram, passage block is arranged on casing, on draw ring body and casing, all offer cooling passage, described male contact is connected with passage block after being communicated with successively cooling passage again, finally be connected to nozzle.
Further, be provided with U-shaped groove on described adpting flange, the lateral surface of described connecting key and the side of U-shaped groove match, and adpting flange coordinates so that adpting flange and connecting key depart from or clamping by U-shaped groove and connecting key.
Further, the auxiliary blind rivet of described pulling assembly for matching with lathe spring-loaded pawl, auxiliary blind rivet is fixedly connected on draw ring body.
Further, the main blind rivet of described connector for matching with lathe spring-loaded pawl, main blind rivet is fixedly connected on main rotating shaft.
Further, in order to make the casing when the milling head machining state can be effectively fixing, the top of described casing be provided with the upper fluted disc on machine ram and coordinates for the fixing lower tooth disk of casing.
Adopted after technique scheme, a main-shaft axis of the present invention main shaft end face distance of disembarking is large, be applicable to processing inner chamber workpiece narrow and small and that inner chamber is deep, this right angle milling cutter device can be realized lathe and automatically get head, automatic tension head, automatically unclamp head, automatic indexing transposition processing, automaticity is high, indexing accuracy is high, reduced labour intensity, shorten non-cutting time, in addition, milling head of the present invention is dual output main axle structure, one end is the BT40 taper hole output of standard, one end is for installing the output of the flange form main shaft with centration axis of large-scale dish milling cutter, taper hole output is installed machining hole handle of a knife, other end output installed surface milling cutter, reduced shutdown tool change time, increase work efficiency, face milling cutters are directly installed on flat milling head main shaft end face, good rigidly, machined surface quality is high, and can make with the flange form main shaft output of centration axis the spindle flange that taper hole is exported, thereby flat milling head is modified to the flat right-angle milling head of bipyramid hole output, improved the extensibility of this flat milling head, expanded processing work scope.
Accompanying drawing explanation
Fig. 1 is the structural representation of right-angle milling head device of the present invention;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the B-B cutaway view of Fig. 2;
Fig. 4 is the C-C cutaway view of Fig. 1.
The specific embodiment
For content of the present invention is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation below.
As shown in Fig. 1～4, a kind of right-angle milling head device, it comprises casing 10, draw ring body 2, gland 21, connecting key 5, main rotating shaft 7, transmission mechanism and the main shaft 41 that drives milling head to rotate, main rotating shaft 7 can be connected with outside machine tool chief axis by connector so that machine tool chief axis drives main rotating shaft 7 rotations, on main rotating shaft 7, there is adpting flange 7-1, transmission mechanism is connected between main shaft 41 and main rotating shaft 7 to rotatablely moving of main rotating shaft 7 is converted to rotatablely moving of main shaft 41, draw ring body 2 is installed on casing 10, gland 21 is fixedly connected with casing 10, connecting key 5 is arranged on gland 21, connecting key 5 matches with adpting flange 7-1, draw ring body 2 is selectively connected to adpting flange 7-1 is selectively connected by draw ring body 2 with connecting key 5 with outside machine ram by pulling assembly, when draw ring body 2 is by pulling assembly during in tension, connecting key 5 is separated with adpting flange 7-1, and casing 10 is fixing, when draw ring body 2 is by pulling assembly during in releasing orientation, connecting key 5 is with adpting flange 7-1 phase clamping so that main rotating shaft 7 drives casings 10 to turn to by connecting key 5 and gland 21, and main shaft 41 can be rotated to support on casing 10.
As Fig. 3, shown in 4, transmission mechanism comprises mainshaft gear 40, driving bevel gear 14, driven bevel pinion 18 and Multi-stage transmission assembly, transmission component comprises driven rotating shaft 22 and gear 26, gear 26 is sleeved on driven rotating shaft 22, driven rotating shaft 22 can be rotated to support on casing 10, driving bevel gear 14 is sleeved on main rotating shaft 7, driven bevel pinion 18 is sleeved on the driven rotating shaft 22 of first order transmission component, driving bevel gear 14 and driven bevel pinion 18 engagements, the gear 40 of transmission components at different levels meshes successively, the gear 26 of the transmission component of afterbody and mainshaft gear 40 engagements, mainshaft gear 40 is sleeved on main shaft 41, driving bevel gear 14 can be rotated to support on bearing block 14 together with main rotating shaft 7.In order to make this milling head can the less workpiece of processing cavity, under the condition that guarantees Rigidity and strength, make each accessory size do little as far as possible, not only profile was small and exquisite but also rigidity is fine to make flat milling head, Multi-stage transmission assembly also makes milling head main-shaft axis disembark a main shaft end face distance change greatly in transferring power, make like this milling head be applicable to processing inner chamber workpiece narrow and small and that inner chamber is deep, transmission component of the present invention, as shown in Figure 3,4, it has three groups.
As shown in Figure 3,4, the two ends of main shaft 41 are respectively BT40 taper hole output and flange form main shaft output for use in milling head is installed.The flange form main shaft output of main shaft 41 comprises spindle flange 50, transition axis 49, attachment screw and pin assembly, spindle flange 50 is connected with transition axis 49 by attachment screw, transition axis 49 is fixed on main shaft 41 by attachment screw, and transition axis 49 is positioned on main shaft 41 by a pin assembly simultaneously, and spindle flange 50 is positioned on transition axis 49 by another pin assembly.Main shaft 41 can be rotated to support on casing 10 by two groups of bearing group, and every group of bearing group comprises a plurality of angular contact ball bearings 47.Milling head of the present invention is two main shaft export structures, one end is the output of standard BT40 taper hole, one end is for installing the output of the flange form main shaft with centration axis of large-scale dish milling cutter, main shaft support is on two groups of the front and back angular contact ball bearing of three group, can can bear the axial force of former and later two directions again by bearing radial force, main shaft good rigidly, gap is little, in order to guarantee the axiality of the taper hole of main shaft 41 and the centration axis of spindle flange 50, main shaft 41, transition axis 49, spindle flange 50 is connected by screw, taper bolt location, three connects rear combination processing and guarantees axiality, thereby guarantee the machining accuracy of flat milling head.Transition axis 49, spindle flange 50 can also be made the spindle flange of taper hole output, thereby flat milling head are modified to the flat right-angle milling head of bipyramid hole output, have improved the extensibility of this flat milling head, have expanded the work scope of building.
As Fig. 3, shown in 4, right-angle milling head device also comprises cooling system, cooling system comprises male contact 76, passage block 73, nozzle 74 and famale connector, male contact 76 match with famale connector with convenient draw ring body 2 by pulling assembly when the releasing orientation, male contact 76 disconnection cooling fluid separated with famale connector and when draw ring body 2 is by pulling assembly during in tension, male contact 76 is connected and is carried cooling fluid with famale connector, male contact 76 is arranged on draw ring body 2, famale connector is arranged on machine ram, passage block 73 is arranged on casing 10, on draw ring body 2 and casing 10, all offer cooling passage, male contact 76 is connected with passage block 73 after being communicated with successively cooling passage again, finally be connected to nozzle 74.In order to improve the automaticity of this flat milling head, the cooling fluid of flat milling head realizes by hydraulic quick coupler 76.Male contact 76, machine ram end face is equipped with supporting with it famale connector, milling head during in machining state male contact 76 to back down famale connector water route logical, cooling fluid is from the nozzle 74 cooling workpiece of ejection and cutters, milling head during in calibration state male contact 76 and famale connector throw off, water route is disconnected, and cooling fluid can effectively be prevented that by famale connector blocking-up cooling fluid from polluting flat milling head inner body.
As shown in Figure 3,4, be provided with U-shaped groove on adpting flange 7-1, the lateral surface of connecting key 5 and the side of U-shaped groove match, and adpting flange 7-1 coordinates so that adpting flange 7-1 and connecting key 5 depart from or clamping by U-shaped groove and connecting key 5.
As shown in Figure 3,4, the auxiliary blind rivet 75 of pulling assembly for matching with lathe spring-loaded pawl, auxiliary blind rivet 75 is fixedly connected on draw ring body 2.
As shown in Figure 3,4, the main blind rivet 6 of connector for matching with lathe spring-loaded pawl, main blind rivet 6 is fixedly connected on main rotating shaft 7.
As shown in Figure 3,4, the top of casing 10 is provided with the upper fluted disc on machine ram and coordinates for the fixing lower tooth disk 1 of casing 10.
Right-angle milling head in the present embodiment is pentahedron right-angle milling head.
Operation principle of the present invention is as follows:
Milling head in working order under, main blind rivet 6 and auxiliary blind rivet 75 are all strained by lathe spring-loaded pawl, the upper fluted disc of machine ram end face and lower tooth disk 1 mesh together is accurately positioned on machine ram and main shaft milling head, the lower surface B face of the upper surface A face of the adpting flange 7-1 of main rotating shaft 7 and gland 21 is thrown off, apart from 5mm, on the adpting flange 7-1 of main rotating shaft 7, have U-shaped groove, now U-shaped groove is also thrown off with the side that is fixed on the connecting key 5 on gland 21, now machine tool chief axis by main shaft straight end-face key by power transmission to main rotating shaft 7, main rotating shaft 7 again by power transmission to driving bevel gear 14, again by driven bevel pinion 18, transmission components at different levels by power transmission to main shaft 41.
Milling head is under calibration state, main blind rivet 6 is strained by machine tool chief axis spring-loaded pawl, the action of lathe pull head oil cylinder oil supply, auxiliary blind rivet 75 is unclamped by spring-loaded pawl, draw ring body 2 of the present invention is because deadweight whereabouts 5mm contacts the upper surface A face of adpting flange 7-1 of main rotating shaft 7 and the lower surface B face of gland 21, now the upper fluted disc of machine ram end face and lower tooth disk 1 are successfully thrown off, the side that has U-shaped groove on the adpting flange 7-1 of active rotation axle 7 contacts with the positive good part in side that is fixed on the connecting key 5 on gland 21, gland 21 is fixed on casing 10 by the via hole on bearing block 11, now main shaft straight end-face key arrives main rotating shaft 7 by power transmission, main rotating shaft 7 by the connecting key 5 that is in contact with it by power transmission to gland 21, because gland 21 and casing 10 are to be rigidly connected, power has also just been delivered to casing 10, the calibration power of flat like this milling head has just had, during calibration, can in procedure, input the angle that needs rotation, machine tool chief axis just accurately turns to required angle according to the instruction of spindle encoder, then lathe pull head oil cylinder resets, auxiliary blind rivet 75 is by spring-loaded pawl retighten, thereby meshing together again, the upper fluted disc of machine ram end face and lower tooth disk 1 flat milling head is accurately positioned in again on machine ram and main shaft, complete flat milling head indexing action.Lower tooth disk 1 be 2.5 degree one minute, milling head of the present invention can accurately be positioned in the angle of any multiple of 2.5 degree, has improved the range of work of flat right-angle milling head.
Above-described specific embodiment; technical problem, technical scheme and beneficial effect that the present invention is solved further describe; institute is understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a right-angle milling head device, it is characterized in that: it comprises casing (10), draw ring body (2), gland (21), connecting key (5), main rotating shaft (7), transmission mechanism and the main shaft (41) that drives milling head to rotate, main rotating shaft (7) can be connected with outside machine tool chief axis by connector so that machine tool chief axis drives main rotating shaft (7) rotation, on main rotating shaft (7), there is adpting flange (7-1), described transmission mechanism is connected between main shaft (41) and main rotating shaft (7) to rotatablely moving of main rotating shaft (7) is converted to rotatablely moving of main shaft (41), draw ring body (2) is installed on casing (10), described gland (21) is fixedly connected with casing (10), described connecting key (5) is arranged on gland (21), connecting key (5) matches with adpting flange (7-1), described draw ring body (2) is selectively connected to adpting flange (7-1) is selectively connected by draw ring body (2) with connecting key (5) with outside machine ram by pulling assembly, when draw ring body (2) is by pulling assembly during in tension, described connecting key (5) is separated with adpting flange (7-1), and casing (10) is fixing, when draw ring body (2) is by pulling assembly during in releasing orientation, described connecting key (5) is with adpting flange (7-1) phase clamping so that main rotating shaft (7) drives casing (10) to turn to by connecting key (5) and gland (21), and described main shaft (41) can be rotated to support on casing (10).
2. right-angle milling head device according to claim 1, it is characterized in that: described transmission mechanism comprises mainshaft gear (40), driving bevel gear (14), driven bevel pinion (18) and Multi-stage transmission assembly, transmission component comprises driven rotating shaft (22) and gear (26), gear (26) is sleeved on driven rotating shaft (22), driven rotating shaft (22) can be rotated to support on casing (10), driving bevel gear (14) is sleeved on described main rotating shaft (7), driven bevel pinion (18) is sleeved on the driven rotating shaft (22) of first order transmission component, driving bevel gear (14) and driven bevel pinion (18) engagement, the gear of transmission components at different levels (40) meshes successively, the gear of the transmission component of afterbody (26) and mainshaft gear (40) engagement, mainshaft gear (40) is sleeved on described main shaft (41).
3. right-angle milling head device according to claim 1 and 2, is characterized in that: the two ends of described main shaft (41) are respectively BT40 taper hole output and flange form main shaft output for use in milling head is installed.
4. right-angle milling head device according to claim 3, it is characterized in that: the flange form main shaft output of described main shaft (41) comprises spindle flange (50), transition axis (49), attachment screw and pin assembly, spindle flange (50) is connected with transition axis (49) by attachment screw, transition axis (49) is fixed on main shaft (41) by attachment screw, and transition axis (49) is positioned at main shaft (41) above by a pin assembly simultaneously, and spindle flange (50) is positioned on transition axis (49) by another pin assembly.
5. right-angle milling head device according to claim 1, is characterized in that: it is upper that described main shaft (41) can be rotated to support on casing (10) by two groups of bearing group, and every group of bearing group comprises a plurality of angular contact ball bearings (47).
6. right-angle milling head device according to claim 1 and 2, it is characterized in that: also comprise cooling system, cooling system comprises male contact (76), passage block (73), nozzle (74) and famale connector, male contact (76) match with famale connector with convenient draw ring body (2) by pulling assembly when the releasing orientation, male contact (76) disconnection cooling fluid separated with famale connector and when draw ring body (2) is by pulling assembly during in tension, male contact (76) is connected and is carried cooling fluid with famale connector, male contact (76) is arranged on draw ring body (2), famale connector is arranged on machine ram, passage block (73) is arranged on casing (10), on draw ring body (2) and casing (10), all offer cooling passage, described male contact (76) is connected with passage block (73) after being communicated with successively cooling passage again, finally be connected to nozzle (74).
7. right-angle milling head device according to claim 1 and 2, it is characterized in that: on described adpting flange (7-1), be provided with U-shaped groove, the lateral surface of described connecting key (5) and the side of U-shaped groove match, and adpting flange (7-1) coordinates so that adpting flange (7-1) and connecting key (5) depart from or clamping by U-shaped groove and connecting key (5).
8. right-angle milling head device according to claim 1 and 2, is characterized in that: the auxiliary blind rivet (75) of described pulling assembly for matching with lathe spring-loaded pawl, auxiliary blind rivet (75) is fixedly connected on draw ring body (2).
9. right-angle milling head device according to claim 1 and 2, is characterized in that: the main blind rivet (6) of described connector for matching with lathe spring-loaded pawl, main blind rivet (6) is fixedly connected on main rotating shaft (7).
10. right-angle milling head device according to claim 1 and 2, is characterized in that: the top of described casing (10) is provided with the upper fluted disc on machine ram and coordinates for the fixing lower tooth disk (1) of casing (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409939.3A CN104191024A (en) | 2014-08-20 | 2014-08-20 | Right-angled milling head device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410409939.3A CN104191024A (en) | 2014-08-20 | 2014-08-20 | Right-angled milling head device |
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| CN104191024A true CN104191024A (en) | 2014-12-10 |
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| CN201410409939.3A Pending CN104191024A (en) | 2014-08-20 | 2014-08-20 | Right-angled milling head device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104889784A (en) * | 2015-03-24 | 2015-09-09 | 江苏新瑞重工科技有限公司 | 4*90-degree right-angle head automatic indexing device |
| CN107116388A (en) * | 2017-05-26 | 2017-09-01 | 山东永华机械有限公司 | The achieving automatic head replacement mechanism of the axle gantry machining center of bridge-type five |
| CN110280822A (en) * | 2019-06-13 | 2019-09-27 | 浙江日发航空数字装备有限责任公司 | A kind of milling head multipassage rotary device |
| CN112247231A (en) * | 2020-10-15 | 2021-01-22 | 航天科工哈尔滨风华有限公司 | Lengthened angle milling head device of three-point positioning supporting structure |
| CN112296751A (en) * | 2019-07-31 | 2021-02-02 | 吴东奎 | Hybrid fixture attachment assembly for indexing table |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104889784A (en) * | 2015-03-24 | 2015-09-09 | 江苏新瑞重工科技有限公司 | 4*90-degree right-angle head automatic indexing device |
| CN107116388A (en) * | 2017-05-26 | 2017-09-01 | 山东永华机械有限公司 | The achieving automatic head replacement mechanism of the axle gantry machining center of bridge-type five |
| CN110280822A (en) * | 2019-06-13 | 2019-09-27 | 浙江日发航空数字装备有限责任公司 | A kind of milling head multipassage rotary device |
| CN112296751A (en) * | 2019-07-31 | 2021-02-02 | 吴东奎 | Hybrid fixture attachment assembly for indexing table |
| CN112247231A (en) * | 2020-10-15 | 2021-01-22 | 航天科工哈尔滨风华有限公司 | Lengthened angle milling head device of three-point positioning supporting structure |
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Application publication date: 20141210 |
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| RJ01 | Rejection of invention patent application after publication |