CN203335620U - Hinge for increasing working space of parallel machine tool - Google Patents
Hinge for increasing working space of parallel machine tool Download PDFInfo
- Publication number
- CN203335620U CN203335620U CN2013203113534U CN201320311353U CN203335620U CN 203335620 U CN203335620 U CN 203335620U CN 2013203113534 U CN2013203113534 U CN 2013203113534U CN 201320311353 U CN201320311353 U CN 201320311353U CN 203335620 U CN203335620 U CN 203335620U
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- fork shaft
- hinge
- bearing
- shaft
- ring
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Abstract
The utility model discloses a hinge for increasing a working space of a parallel machine tool. A connection sleeve (26) is connected with a connection shaft (28) through an outer bearing (12) of the connection shaft and an inner bearing (13) of the connection shaft; a movable hinge fork shaft (35) is supported on a bearing fixing sleeve (20) through an outer bearing (16) of the fork shaft and an inner bearing (17) of the fork shaft; a stop ring type bearing cover (34) is arranged between an inner ring of the outer bearing (16) of the fork shaft and a shaft shoulder of the movable hinge fork shaft (35); the bearing fixing sleeve (20) is fixed on a movable platform (1) through a fixing sleeve screw (21) and a fixing sleeve screw gasket (22); a bushing screw (14) and a bushing gasket (15) are connected with the fixing sleeve (20); the movable hinge fork shaft (35) is connected with the connection sleeve (26) through a hinge shaft (27). The hinge for increasing the working space of the parallel machine tool, disclosed by the utility model, is used for reducing the minimum included angle of the hinge (2) between the movable platform (1) and a connecting rod (3) and increasing the working space of the parallel machine tool.
Description
Technical field
The utility model relates to the hinge of parallel machine tool, is specifically related to a kind of hinge that improves the parallel machine tool working space.
Background technique
On existing parallel machine tool, adopt the hinge of three's axes intersect of moving hinge straight fork shaft, articulated axle and connecting sleeve between moving platform and connecting rod, the angle of this hinge between the straight fork shaft of moving hinge and connecting sleeve hour, be also the angle of the hinge between moving platform and connecting rod hour, connecting sleeve on connecting rod contacts with flanged type bearing cap on moving platform or with the straight fork shaft of moving hinge, produce movement interference, this has limited the working space of parallel machine tool, in other words, limited the inclination angle of the center of parallel machine tool moving platform at range of movement and the moving platform in space; Reduce the minimum angle of the hinge between moving platform and connecting rod, can improve the working space of parallel machine tool.
Summary of the invention
The purpose of this utility model is: a kind of hinge that improves the parallel machine tool working space is provided, for reducing the minimum angle of the hinge between moving platform and connecting rod, improves the working space of parallel machine tool.
Technical solution of the present utility model: keep the axial location of former hinge and supporting structure constant, do not change the position at hinge center, do not reduce the strength and stiffness of hinge, the straight fork shaft of moving hinge of d-axis form is changed into to the bent fork shaft of moving hinge of bent axle form, again flanged type bearing cap, self-fastening ring are changed into to ring type bearing cap and O RunddichtringO, the minimum angle of the hinge between moving platform and connecting rod is reduced, improve the working space of parallel machine tool.
In a kind of hinge that improves the parallel machine tool working space of the present utility model, a kind of hinge that improves the parallel machine tool working space comprises coupling shaft bolt, coupling shaft packing ring, coupling shaft seal ring, coupling shaft bearing cap, coupling shaft outer bearing, coupling shaft inner bearing, plays the cover screw, plays the cover packing ring, fork shaft outer bearing, fork shaft inner bearing, fork shaft round nut, fork shaft round nut packing ring, bearing fixing sleeve, fixed cover screw, fixed cover bolt washer, connecting sleeve, articulated axle, coupling shaft, O type inner seal ring, O type exterior seal ring, ring type bearing cap and the bent fork shaft of moving hinge; Connecting sleeve is connected with coupling shaft by coupling shaft outer bearing, coupling shaft inner bearing, and the coupling shaft bearing cap is fixed on connecting sleeve by coupling shaft bolt, coupling shaft packing ring, and the coupling shaft seal ring is contained between coupling shaft bearing cap and coupling shaft; The bent fork shaft of moving hinge is bearing on bearing fixing sleeve by fork shaft outer bearing and fork shaft inner bearing, fork shaft round nut, fork shaft round nut packing ring connect with the bent fork shaft of moving hinge, the ring type bearing cap is between the shaft shoulder of the inner ring of fork shaft outer bearing and the bent fork shaft of moving hinge, O type inner seal ring is arranged between the hole of ring type bearing cap and bearing fixing sleeve, O type exterior seal ring is arranged between the end face of ring type bearing cap and bearing fixing sleeve; Bearing fixing sleeve is fixed on moving platform by fixed cover screw, fixed cover bolt washer, and a cover screw, a cover packing ring connect with fixed cover; The bent fork shaft of moving hinge connects with connecting sleeve by articulated axle.
In a kind of hinge that improves the parallel machine tool working space of the present utility model, the bent fork shaft of moving hinge, articulated axle and connecting sleeve are in the joint axes intersect.
In a kind of hinge that improves the parallel machine tool working space of the present utility model, the axis of the bent fork shaft of moving hinge has 3 sections, the axis conllinear of two sections axles at two ends, the axis of the axis of middle one section axle and two sections axles at two ends is conllinear not, form bent axle, and at the axle place, one section of centre of the bent fork shaft of moving hinge, the concave surface of axle; The bent fork shaft of moving hinge is identical with position and the linkage structure of articulated axle attachment hole with the straight fork shaft of moving hinge with position and the linkage structure of articulated axle attachment hole, and the linkage structure that the linkage structure of the moving bent fork shaft of hinge and fork shaft outer bearing, fork shaft inner bearing and moving is cut with scissors straight fork shaft and fork shaft outer bearing, fork shaft inner bearing is identical.
In a kind of hinge that improves the parallel machine tool working space of the present utility model, the external cylindrical surface of the outer ring of ring type bearing cap and fork shaft outer bearing, roller, inner ring does not contact; The maximum external cylindrical surface of ring type bearing cap playing a cover screw, rise in the annulus that cover packing ring, fixed cover screw and fixed cover bolt washer form, the ring type bearing cap with play a cover screw, play cover packing ring, fixed cover screw and fixed cover bolt washer and do not interfere.
The beneficial effects of the utility model:
1. owing to adopting the bent fork shaft of moving hinge and ring type bearing cap, the space of connecting sleeve is increased, reduced the minimum angle of the hinge between moving platform and connecting rod, the center of parallel machine tool moving platform is increased at the range of movement in space and the inclination angle of moving platform, improved the working space of parallel machine tool.
2. keep axial location and the supporting structure of former hinge constant, do not change the position at hinge center, do not reduce the strength and stiffness of hinge, only will move hinge straight fork shaft, flanged type bearing cap and change respectively the bent fork shaft of moving hinge and ring type bearing cap into, and change corresponding sealing configuration, change part few, change easily and realize, in addition, the central position of hinge is constant, does not affect the structural parameter of former paralleling mechanism.
The accompanying drawing explanation
The schematic three dimensional views that Fig. 1 is axial parallel machine tool structure.
The schematic diagram that Fig. 2 is former hinge.
The schematic diagram of the minimum angle that Fig. 3 is former hinge.
Fig. 4 is a kind of schematic diagram that improves the hinge of parallel machine tool working space.
The schematic diagram of the minimum angle that Fig. 5 is Fig. 4 hinge.
The partial enlarged view that Fig. 6 is Fig. 5.
In figure: 1 moving platform; 2 hinges; 3 connecting rods; 4 overcoats; 5 internal splines; 6 inner spline screws; 7 inner spline screw packing rings; 8 coupling shaft bolts; 9 coupling shaft packing rings; 10 coupling shaft seal rings; 11 coupling shaft bearing caps; 12 coupling shaft outer bearings; 13 coupling shaft inner bearings; 14 cover screws; 15 cover packing rings; 16 fork shaft outer bearings; 17 fork shaft inner bearings; 18 fork shaft round nuts; 19 fork shaft round nut packing rings; 20 bearing fixing sleeves; 21 fixed cover screws; 22 fixed cover bolt washers; 23 flanged type bearing caps; 24 self-fastening rings; The straight fork shaft of 25 moving hinge; 26 connecting sleeves; 27 articulated axles; 28 coupling shafts; 29 coupling shaft round nuts; 30 coupling shaft round nut packing rings; 31 external spliness; 32O type inner seal ring; 33O type exterior seal ring; 34 ring type bearing caps; The bent fork shaft of 35 moving hinge.
Embodiment
A kind of hinge of parallel machine tool working space that improves is as shown in Fig. 4～6.
In a kind of hinge that improves the parallel machine tool working space, a kind of hinge that improves the parallel machine tool working space comprises coupling shaft bolt 8, coupling shaft packing ring 9, coupling shaft seal ring 10, coupling shaft bearing cap 11, coupling shaft outer bearing 12, coupling shaft inner bearing 13, play cover screw 14, play cover packing ring 15, fork shaft outer bearing 16, fork shaft inner bearing 17, fork shaft round nut 18, fork shaft round nut packing ring 19, bearing fixing sleeve 20, fixed cover screw 21, fixed cover bolt washer 22, connecting sleeve 26, articulated axle 27, coupling shaft 28, O type inner seal ring 32, O type exterior seal ring 33, ring type bearing cap 34 and the bent fork shaft 35 of moving hinge, connecting sleeve 26 is connected with coupling shaft 28 by coupling shaft outer bearing 12, coupling shaft inner bearing 13, coupling shaft bearing cap 11 is fixed on connecting sleeve 26 by coupling shaft bolt 8, coupling shaft packing ring 9, and coupling shaft seal ring 10 is contained between coupling shaft bearing cap 11 and coupling shaft 28, the bent fork shaft 35 of moving hinge is bearing on bearing fixing sleeve 20 by fork shaft outer bearing 16 and fork shaft inner bearing 17, fork shaft round nut 18, fork shaft round nut packing ring 19 connects with the bent fork shaft 35 of moving hinge, ring type bearing cap 34 is between the shaft shoulder of the inner ring of fork shaft outer bearing 16 and the bent fork shaft 35 of moving hinge, O type inner seal ring 32 is arranged between the hole of ring type bearing cap 34 and bearing fixing sleeve 20, O type exterior seal ring 33 is arranged between the end face of ring type bearing cap 34 and bearing fixing sleeve 20, ring type bearing cap 34 is for the nose end of stuffing box bearing fixed cover 20, ring type bearing cap 34 is also for the dismounting of the inner ring of fork shaft outer bearing 16, O type inner seal ring 32 seals between the hole for ring type bearing cap 34 and bearing fixing sleeve 20, between the end face of O type exterior seal ring 33 for ring type bearing cap 34 and bearing fixing sleeve 20, seal, bearing fixing sleeve 20 is fixed on moving platform 1 by fixed cover screw 21, fixed cover bolt washer 22, and a cover screw 14, a cover packing ring 15 connect with fixed cover 20, the bent fork shaft 35 of moving hinge connects with connecting sleeve 26 by articulated axle 27, a kind of hinge of parallel machine tool working space that improves is compared with former hinge 2 on parallel machine tool, just will move the straight fork shaft 25 of hinge and change the bent fork shaft 35 of moving hinge into, and change flanged type bearing cap 23, self-fastening ring 24 into ring type bearing cap 34 and O type inner seal ring 32, O type exterior seal ring 33, all the other structures are constant, structural parameter and supporting structure that this has kept the former hinge of parallel machine tool, do not reduce the strength and stiffness of hinge 2.
In a kind of hinge that improves the parallel machine tool working space, the bent fork shaft 35 of moving hinge, articulated axle 27 and connecting sleeve 26 are in the joint axes intersect, and the central position of hinge 2 is constant, can keep the structural parameter of the former hinge of paralleling mechanism.
In a kind of hinge that improves the parallel machine tool working space of the present utility model, the axis of the bent fork shaft 35 of moving hinge has 3 sections, the axis conllinear of two sections axles at two ends, the axis of the axis of middle one section axle and two sections axles at two ends is conllinear not, form bent axle, and at the axle place, one section of centre of the bent fork shaft 35 of moving hinge, the concave surface of axle, make connecting sleeve 26 when the axis of articulated axle 27 rotates, larger rotation space is arranged; The bent fork shaft 35 of moving hinge is identical with position and the linkage structure of articulated axle 27 attachment holes with the straight fork shaft 25 of moving hinge with position and the linkage structure of articulated axle 27 attachment holes, the bent fork shaft 35 of moving hinge is identical with the linkage structure of fork shaft outer bearing 16, fork shaft inner bearing 17 with the straight fork shaft 25 of moving hinge with the linkage structure of fork shaft outer bearing 16, fork shaft inner bearing 17, like this, can make the central position of hinge 2 constant, not affect the structural parameter of the former hinge of paralleling mechanism.
In a kind of hinge that improves the parallel machine tool working space, the external cylindrical surface of the outer ring of ring type bearing cap 34 and fork shaft outer bearing 16, roller, inner ring does not contact, and guarantees that ring type bearing cap 34 do not interfere the motion of fork shaft outer bearing 16; The maximum external cylindrical surface of ring type bearing cap 34 is playing cover screw 14, is rising in the annulus of cover packing ring 15, fixed cover screw 21 and 22 dozens of formations of fixed cover bolt washer, connecting sleeve 26 is not contacted with ring type bearing cap 34, reduce the minimum angle of the hinge 2 between moving platform 1 and connecting rod 3; Ring type bearing cap 34 is not interfered with a cover screw 14, a cover packing ring 15, fixed cover screw 21 and fixed cover bolt washer 22, guarantees that ring type bearing cap 34, a cover screw 14, a cover packing ring 15, fixed cover screw 21 and fixed cover bolt washer 22 well assemble.
In a kind of hinge that improves the parallel machine tool working space, connecting rod 3 comprises overcoat 4, internal spline 5, inner spline screw 6, inner spline screw packing ring 7, coupling shaft round nut 29, coupling shaft round nut packing ring 30 and external splines 31; Coupling shaft 28 connects with external splines 31 by coupling shaft round nut 29, coupling shaft round nut packing ring 30, external splines 31 is connected with internal spline 5 by spline, internal spline 5 connects with overcoat 4 by inner spline screw 6, inner spline screw packing ring 7, these are compared with former connecting rod 3 on parallel machine tool, the structure of connecting rod 3 does not change, and does not affect the structural parameter of the former hinge of paralleling mechanism.
A kind of working principle that improves the hinge of parallel machine tool working space: do not contact with ring type bearing cap 34 by connecting sleeve 26, connecting sleeve 26 is increased around the space of the axis rotation of articulated axle 27, in addition, axle place, one section of centre at the bent fork shaft 35 of moving hinge, the concave surface of axle, make connecting sleeve 26 increase around the space of the axis rotation of articulated axle 27, these, the minimum angle of the hinge 2 between moving platform 1 and connecting rod 3 is reduced, improved the working space of parallel machine tool.
After adopting a kind of hinge that improves the parallel machine tool working space, the minimum angle of the hinge 2 between moving platform 1 and connecting rod 3 can be reduced to 64 ° by 70 °.
Claims (3)
1. a hinge that improves the parallel machine tool working space, it is characterized in that: a kind of hinge that improves the parallel machine tool working space comprises coupling shaft bolt (8), coupling shaft packing ring (9), coupling shaft seal ring (10), coupling shaft bearing cap (11), coupling shaft outer bearing (12), coupling shaft inner bearing (13), play cover screw (14), play cover packing ring (15), fork shaft outer bearing (16), fork shaft inner bearing (17), fork shaft round nut (18), fork shaft round nut packing ring (19), bearing fixing sleeve (20), fixed cover screw (21), fixed cover bolt washer (22), connecting sleeve (26), articulated axle (27), coupling shaft (28), O type inner seal ring (32), O type exterior seal ring (33), ring type bearing cap (34) and moving hinge bent fork shaft (35), connecting sleeve (26) is connected with coupling shaft (28) by coupling shaft outer bearing (12), coupling shaft inner bearing (13), it is upper that coupling shaft bearing cap (11) is fixed on connecting sleeve (26) by coupling shaft bolt (8), coupling shaft packing ring (9), and coupling shaft seal ring (10) is contained between coupling shaft bearing cap (11) and coupling shaft (28), the bent fork shaft of moving hinge (35) is bearing on bearing fixing sleeve (20) by fork shaft outer bearing (16) and fork shaft inner bearing (17), fork shaft round nut (18), fork shaft round nut packing ring (19) connect with the bent fork shaft of moving hinge (35), ring type bearing cap (34) is between the shaft shoulder of the inner ring of fork shaft outer bearing (16) and the bent fork shaft of moving hinge (35), O type inner seal ring (32) is arranged between the hole of ring type bearing cap (34) and bearing fixing sleeve (20), between the end face of ring type bearing cap (34) and bearing fixing sleeve (20), O type exterior seal ring (33) is arranged, it is upper that bearing fixing sleeve (20) is fixed on moving platform (1) by fixed cover screw (21), fixed cover bolt washer (22), and a cover screw (14), a cover packing ring (15) connect with fixed cover (20), the bent fork shaft of moving hinge (35) connects with connecting sleeve (26) by articulated axle (27).
2. a kind of hinge that improves the parallel machine tool working space according to claim 1, it is characterized in that: the axis of the bent fork shaft of moving hinge (35) has 3 sections, the axis conllinear of two sections axles at two ends, the axis of the axis of middle one section axle and two sections axles at two ends is conllinear not, form bent axle, and at the axle place, one section of centre of the bent fork shaft of moving hinge (35), the concave surface of axle; The bent fork shaft of moving hinge (35) is identical with position and the linkage structure of articulated axle (27) attachment hole with the straight fork shaft of moving hinge (25) with position and the linkage structure of articulated axle (27) attachment hole, and the moving bent fork shaft of hinge (35) is identical with the linkage structure of fork shaft outer bearing (16), fork shaft inner bearing (17) with linkage structure and the straight fork shaft of moving hinge (25) of fork shaft outer bearing (16), fork shaft inner bearing (17).
3. a kind of hinge that improves the parallel machine tool working space according to claim 1 is characterized in that: the external cylindrical surface of the outer ring of ring type bearing cap (34) and fork shaft outer bearing (16), roller, inner ring does not contact; The maximum external cylindrical surface of ring type bearing cap (34) playing a cover screw (14), rise in the annulus that cover packing ring (15), fixed cover screw (21) and fixed cover bolt washer (22) form, ring type bearing cap (34) with play a cover screw (14), rise and overlap packing ring (15), fixed cover screw (21) and fixed cover bolt washer (22) and do not interfere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203113534U CN203335620U (en) | 2013-05-28 | 2013-05-28 | Hinge for increasing working space of parallel machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203113534U CN203335620U (en) | 2013-05-28 | 2013-05-28 | Hinge for increasing working space of parallel machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203335620U true CN203335620U (en) | 2013-12-11 |
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ID=49704297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203113534U Expired - Fee Related CN203335620U (en) | 2013-05-28 | 2013-05-28 | Hinge for increasing working space of parallel machine tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203335620U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508411A (en) * | 2016-01-27 | 2016-04-20 | 淮阴工学院 | Temperature-control hinge-gap-free hinge for improving machining precision of parallel connection machine tool |
-
2013
- 2013-05-28 CN CN2013203113534U patent/CN203335620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508411A (en) * | 2016-01-27 | 2016-04-20 | 淮阴工学院 | Temperature-control hinge-gap-free hinge for improving machining precision of parallel connection machine tool |
| CN105508411B (en) * | 2016-01-27 | 2018-10-09 | 淮阴工学院 | Improve the hinge in the temperature control hinge-less gap of parallel machine machining accuracy |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131211 Termination date: 20140528 |