CN205734079U - A kind of single servo-drive machinery disappears the revolving structure of gap - Google Patents
A kind of single servo-drive machinery disappears the revolving structure of gap Download PDFInfo
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- CN205734079U CN205734079U CN201620431823.4U CN201620431823U CN205734079U CN 205734079 U CN205734079 U CN 205734079U CN 201620431823 U CN201620431823 U CN 201620431823U CN 205734079 U CN205734079 U CN 205734079U
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Abstract
This utility model relates to machining apparatus technical field, disclose a kind of single servo-drive machinery to disappear the revolving structure of gap, including bracing frame, central shaft, bearing group a and swivel plate, described central shaft is connected with bracing frame, described swivel plate is flexibly connected with central shaft by bearing group a, and described swivel plate is provided with bull gear；Support frame as described above is additionally provided with PTO, the first shaft coupling, the first gear drive and the second gear drive, this revolving structure utilizes the first gear drive to engage with bull gear forward close-fitting, recycle the second gear drive close-fitting reverse with bull gear to engage, thus eliminate gear-driven mechanic transmission clearance, utilize a set of PTO can realize gapless driving simultaneously, reduce the manufacturing cost of equipment, control the most simpler.
Description
Technical field
This utility model relates to machining apparatus technical field, particularly relates to a kind of single servo-drive machinery and disappears the revolving structure of gap.
Background technology
The development of Current mechanical processing manufacturing industry, part and mould structure are the most complicated, size is the hugest, it is often necessary to multiple on the part of disposable clamping the most on the table, multiple angle position on complete multiple working procedure processing such as milling, drilling, drilling deep hole, boring, tapping.So this is accomplished by worktable rotary or cutter rotates, or cutter jointly rotates with workbench and realizes such function, and this is accomplished by a kind of reliable and stable, bearing capacity is strong, precision is high, does not has drive gap, and the particularly revolving structure of backlass meets process requirements.
Existing single servo-drive revolving structure cannot be real elimination drive gap；Then, prior art is used Dual-Servo Motor and is driven the form of swivel plate by twin worm or Double-gear, but, this mode is since it is desired that two set servomotor and kits, and cost is high.In view of this, existing structure has been made improvement by inventor.
Summary of the invention
The purpose of this utility model is for the deficiencies in the prior art, it is provided that a kind of single servo-drive machinery disappears the revolving structure of gap, and this revolving structure has low cost of manufacture, controls advantage that is simple and that eliminate drive gap.
For achieving the above object, a kind of single servo-drive machinery of the present utility model disappears the revolving structure of gap, and including bracing frame, central shaft, bearing group a and swivel plate, described central shaft is connected with bracing frame, described swivel plate is flexibly connected with central shaft by bearing group a, and described swivel plate is provided with bull gear；
Support frame as described above is additionally provided with PTO, the first shaft coupling, the first gear drive and the second gear drive, described first gear drive engages with bull gear forward close-fitting, described second gear drive close-fitting reverse with bull gear engages, described PTO drives the first gear drive, and described first gear drive is coupled by the first shaft coupling and the second gear drive.
Further, described swivel plate is provided with T-slot, and support frame as described above is provided with drawing cylinder, and the piston rod of described drawing cylinder stretches in T-slot and can be used for tension and limits swivel plate rotation.
Further, described first gear drive includes gear shaft a, bearing group b, bevel gear a, bearing group c, wheel shaft a, bearing a and the little gear a engaged with bull gear close-fitting, the upper end of described wheel shaft a connects little gear a, the lower end Connectable umbrella gear a of described wheel shaft a, described bearing group c is placed on the middle part of wheel shaft a, one end of described gear shaft a passes bearing group b, and the other end of described gear shaft a passes bearing a.
Further, described second gear drive includes the little gear b that gear shaft b, bearing group d, bevel gear b, bearing group e, wheel shaft b, bearing b and close-fitting reverse with bull gear engage, the upper end of described wheel shaft b connects little gear b, the lower end Connectable umbrella gear b of described wheel shaft b, described bearing group e is placed on the middle part of wheel shaft b, one end of described gear shaft b passes bearing group d, and the other end of described gear shaft b passes bearing b.
Further, the side of support frame as described above is provided with at least one side cover plate removably connected.
Further, PTO includes servomotor, the second shaft coupling and reductor, and reductor is connected with servo motor transmission, and reductor is coupled by the second shaft coupling and the first gear drive.
Further, laminating soft ribbons it is provided with between support frame as described above and swivel plate.
Further, described swivel plate is provided with the buckle for clipping bracing frame.
Further, described swivel plate be provided centrally with gland, described gland connects the read head having Circular gratings, described central shaft to be provided with the turned position for detecting Circular gratings.
The beneficial effects of the utility model: a kind of single servo-drive machinery of the present utility model disappears the revolving structure of gap, this revolving structure utilizes the first gear drive to engage with bull gear forward close-fitting, recycle the second gear drive close-fitting reverse with bull gear to engage, thus eliminate gear-driven mechanic transmission clearance, utilize a set of PTO can realize gapless driving simultaneously, reduce the manufacturing cost of equipment, control the most simpler.
Accompanying drawing explanation
Fig. 1 is front view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is top view of the present utility model.
Fig. 4 is that the A-A of Fig. 1 is to sectional view.
Fig. 5 is the B portion enlarged drawing of Fig. 4.
Fig. 6 is that the C-C of Fig. 5 is to sectional view.
Fig. 7 is that the D-D of Fig. 3 is to sectional view.
Reference includes:
Bracing frame--1, central shaft--11, drawing cylinder--12,
Bearing group a--13, side cover plate--14, read head--15,
Swivel plate--2, bull gear--21, T-slot--22,
Gland--23, buckle--24, PTO--3,
Servomotor--31, the second shaft coupling--32, reductor--33, the first shaft coupling--4,
First gear drive--5, gear shaft a--51, bearing group b--52,
Bevel gear a--53, bearing group c--54, wheel shaft a--55,
Bearing a--56, little gear a--57, the second gear drive--6,
Gear shaft b--61, bearing group d--62, bevel gear b--63,
Bearing group d--64, wheel shaft b--65, bearing b--66,
Little gear b--67.
Detailed description of the invention
Below in conjunction with the accompanying drawings this utility model is described in detail.
See Fig. 1 to Fig. 7, a kind of single servo-drive machinery disappears the revolving structure of gap, including bracing frame 1, central shaft 11, bearing group a13 and swivel plate 2, described central shaft 11 is connected with bracing frame 1, described swivel plate 2 is flexibly connected with central shaft 11 by bearing group a13, and described swivel plate 2 is provided with bull gear 21；Support frame as described above 1 is additionally provided with PTO the 3, first shaft coupling the 4, first gear drive 5 and the second gear drive 6, described first gear drive 5 engages with bull gear 21 forward close-fitting, described second gear drive 6 close-fitting reverse with bull gear 21 engages, described PTO 3 drives the first gear drive 5, described first gear drive 5 to be coupled with the second gear drive 6 by the first shaft coupling 4.The operation principle of this revolving structure is: utilize PTO 3 to drive the first gear drive 5, under the effect of the first shaft coupling 4, second gear drive 6 realizes Synchronous Transmission, described first gear drive 5, second gear drive 6 simultaneously drives bull gear 21, swivel plate 2 is made to realize rotating, this revolving structure utilizes the first gear drive 5 to engage with bull gear 21 forward close-fitting, recycle the second gear drive 6 close-fitting reverse with bull gear to engage, thus eliminate gear-driven mechanic transmission clearance, utilize a set of PTO 3 can realize gapless driving simultaneously, reduce the manufacturing cost of equipment, control the most simpler.
In machining process, certain position for workpiece needs to be processed, now, swivel plate 2 is needed to keep the fixing of long period, in this programme, described swivel plate 2 is provided with T-slot 22, and support frame as described above 1 is provided with drawing cylinder 12, and the piston rod of described drawing cylinder 12 stretches in T-slot 22 and can be used for tension restriction swivel plate 2 and rotates.When swivel plate 2 needs location, utilizing the piston rod of drawing cylinder 12 to strain from T-slot 22, make swivel plate 2 and bracing frame 1 keep fixing, location more accurately and reliably, is conducive to improving machining accuracy.
In this revolving structure, described first gear drive 5 includes gear shaft a51, bearing group b52, bevel gear a53, bearing group c54, wheel shaft a55, bearing a56 and the little gear a57 engaged with bull gear 21 close-fitting, the upper end of described wheel shaft a55 connects little gear a57, the lower end Connectable umbrella gear a53 of described wheel shaft a55, described bearing group c54 is placed on the middle part of wheel shaft a55, one end of described gear shaft a51 passes bearing group b52, and the other end of described gear shaft a51 passes bearing a56.PTO 3 gear shaft a51, this gear shaft a51 drives bevel gear a53, and bevel gear a53 synchronizes to drive little gear a57 to rotate, thus drives bull gear 21 to rotate；
Similarly, described second gear drive 6 includes the little gear b67 that gear shaft b61, bearing group d62, bevel gear b63, bearing group e, wheel shaft b65, bearing b66 and close-fitting reverse with bull gear 21 engage, the upper end of described wheel shaft b65 connects little gear b67, the lower end Connectable umbrella gear b63 of described wheel shaft b65, described bearing group e is placed on the middle part of wheel shaft b65, one end of described gear shaft b61 passes bearing group d62, and the other end of described gear shaft b61 passes bearing b66.nullUnder the effect of the first shaft coupling 4，Gear shaft b61 drives bevel gear b63，Bevel gear b63 drives little gear b67 simultaneously，Little gear b67 simultaneously drives bull gear 21 and rotates，It should be understood that in this revolving structure，First gear drive 5 with the second gear drive 6 before being coupled by the first shaft coupling 4，First the first gear drive 5 or the second gear drive 6 are carried out preload，Preferably the second gear drive 6 is carried out preload，During the second gear drive 6 preload，First gear drive 5 is fixed restriction，Prevent the first gear drive 5 from rotating，Second gear drive 6 preload drives bull gear 21 to rotate simultaneously，Bull gear 21 reversely drives little gear a57 again，Little gear a57 the most reversely drives bevel gear a53，Bevel gear a53 driven gear axle a51 simultaneously，Until the second gear drive 6 turns to the limit in the case of preload，Till being i.e. no longer able to turn，So that the drive gap between above-mentioned all gears eliminates，Now，Again gear shaft a51 and gear shaft b61 is carried out shaft coupling by the first shaft coupling 4，Finally reach machinery to disappear the purpose of gap，This revolving structure is finally enable to carry out multiaspect milling、Drilling、Deep hole machining、The process requirements such as bore hole and tapping.
In the technical program, the side of support frame as described above is provided with at least one side cover plate 14 removably connected.Described side cover plate 14 can be arranged at the position corresponding with the first shaft coupling 4, thus conveniently observes, it is of course also possible to consideration arranges multiple, illustrates the most one by one at this.
In the technical program, PTO 3 includes servomotor the 31, second shaft coupling 32 and reductor 33, and reductor 33 is in transmission connection with servomotor 31, and reductor 33 is coupled with the first gear drive by the second shaft coupling 32.During work, servomotor 31 drives reductor 33, reductor 33 coupled with gear shaft a51 by the second shaft coupling 32, simple in construction, utilizes a servomotor 31 to be easily achieved digitized and accurately controls.
Laminating soft ribbons it is provided with between the technical program, support frame as described above and swivel plate 2.Described laminating soft ribbons can increase the slide coefficient between swivel plate 2 and bracing frame, it is of course also possible to use fluid pressure mode, all can reach good slide coefficient.
Further, described swivel plate 2 is provided with the buckle 24 for clipping bracing frame.Described buckle 24 is circumferentially arranged with multiple, and described buckle 24 makes to keep between swivel plate 2 and bracing frame good laminating effect, and meanwhile, under the effects such as laminating soft ribbons, described swivel plate 2 can realize rotational slide by relative support frame again.
In the technical program, described swivel plate 2 be provided centrally with gland 23, described gland 23 connects has Circular gratings, described central shaft 11 to be provided with the read head 15 of the turned position for detecting Circular gratings.Described read head 15 is by detection Circular gratings thus obtains the angle-data that swivel plate 2 rotates, and these data can be directly used for reference to numerical control operating.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, the most all will change, this specification content should not be construed as restriction of the present utility model.
Claims (9)
1. single servo-drive machinery disappears the revolving structure of gap, including bracing frame, central shaft, bearing group a and swivel plate, it is characterized in that: described central shaft is connected with bracing frame, described swivel plate is flexibly connected with central shaft by bearing group a, and described swivel plate is provided with bull gear；
Support frame as described above is additionally provided with PTO, the first shaft coupling, the first gear drive and the second gear drive, described first gear drive engages with bull gear forward close-fitting, described second gear drive close-fitting reverse with bull gear engages, described PTO drives the first gear drive, and described first gear drive is coupled by the first shaft coupling and the second gear drive.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterized in that: described swivel plate is provided with T-slot, support frame as described above is provided with drawing cylinder, and the piston rod of described drawing cylinder stretches in T-slot and can be used for tension and limits swivel plate rotation.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterized in that: described first gear drive includes gear shaft a, bearing group b, bevel gear a, bearing group c, wheel shaft a, bearing a and the little gear a engaged with bull gear close-fitting, the upper end of described wheel shaft a connects little gear a, the lower end Connectable umbrella gear a of described wheel shaft a, described bearing group c is placed on the middle part of wheel shaft a, one end of described gear shaft a passes bearing group b, and the other end of described gear shaft a passes bearing a.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterized in that: described second gear drive includes the little gear b that gear shaft b, bearing group d, bevel gear b, bearing group e, wheel shaft b, bearing b and close-fitting reverse with bull gear engage, the upper end of described wheel shaft b connects little gear b, the lower end Connectable umbrella gear b of described wheel shaft b, described bearing group e is placed on the middle part of wheel shaft b, one end of described gear shaft b passes bearing group d, and the other end of described gear shaft b passes bearing b.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterised in that: the side of support frame as described above is provided with at least one side cover plate removably connected.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterized in that: PTO includes servomotor, the second shaft coupling and reductor, reductor is connected with servo motor transmission, and reductor is coupled by the second shaft coupling and the first gear drive.
A kind of single servo-drive machinery the most according to claim 1 disappears the revolving structure of gap, it is characterised in that: it is provided with laminating soft ribbons between support frame as described above and swivel plate.
A kind of single servo-drive machinery the most according to claim 7 disappears the revolving structure of gap, it is characterised in that: described swivel plate is provided with the buckle for clipping bracing frame.
9. the revolving structure of the gap that disappears according to a kind of single servo-drive machinery described in any one of claim 1 ~ 8, it is characterized in that: described swivel plate be provided centrally with gland, described gland connects the read head having Circular gratings, described central shaft to be provided with the turned position for detecting Circular gratings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620431823.4U CN205734079U (en) | 2016-05-13 | 2016-05-13 | A kind of single servo-drive machinery disappears the revolving structure of gap |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620431823.4U CN205734079U (en) | 2016-05-13 | 2016-05-13 | A kind of single servo-drive machinery disappears the revolving structure of gap |
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| CN205734079U true CN205734079U (en) | 2016-11-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628357A (en) * | 2022-09-23 | 2023-01-20 | 中国航天空气动力技术研究院 | Large-scale rotating part bearing structure |
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2016
- 2016-05-13 CN CN201620431823.4U patent/CN205734079U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115628357A (en) * | 2022-09-23 | 2023-01-20 | 中国航天空气动力技术研究院 | Large-scale rotating part bearing structure |
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