CN105364190B - A kind of hypoid generating machine - Google Patents
A kind of hypoid generating machine Download PDFInfo
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- CN105364190B CN105364190B CN201510882458.9A CN201510882458A CN105364190B CN 105364190 B CN105364190 B CN 105364190B CN 201510882458 A CN201510882458 A CN 201510882458A CN 105364190 B CN105364190 B CN 105364190B
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- bearing seat
- hydrostatic bearing
- static
- pressure oil
- gyroaxis
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F9/00—Making gears having teeth curved in their longitudinal direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23F—MAKING GEARS OR TOOTHED RACKS
- B23F23/00—Accessories or equipment combined with or arranged in, or specially designed to form part of, gear-cutting machines
- B23F23/12—Other devices, e.g. tool holders; Checking devices for controlling workpieces in machines for manufacturing gear teeth
- B23F23/1206—Tool mountings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a kind of hypoid generating machine, including panoramic table casing and workpiece box, the panoramic table casing has gyroaxis, and one end of the gyroaxis and the workpiece box are affixed；The workpiece box has connecting shaft, and the connecting shaft is placed on the gyroaxis admittedly；Also include the hydrostatic bearing seat for being coated at the connecting shaft, it is affixed with the panoramic table casing；There are multiple circumferentially distributed static-pressure oil chambers between the hydrostatic bearing seat and the connecting shaft, the fuel feeding road connected with each static-pressure oil chamber is additionally provided with the hydrostatic bearing seat.The structure design of the lathe can improve the rigidity of workpiece box and panoramic table casing junction, and, when main cutting force changes with the rotation of gyroaxis, it can give workpiece box support in cutting force direction.
Description
Technical field
The present invention relates to numerically controlled processing equipment technical field, more particularly to a kind of hypoid generating machine.
Background technology
Existing Machining Spiral Bevel Gear equipment mainly has mechanical type hypoid generating machine and numerical control helical bevel gear
The major class of machining tool two.Wherein, the structure of mechanical type hypoid generating machine and adjustment are the most complicated, therefore, numerical control spiral shell
The application for revolving bevel gear cutting machine is more and more extensive.
Fig. 1 is refer to, Fig. 1 is the structural representation of existing numerical-control machine tool for processing spiral bevel gear.
As illustrated, the numerical-control machine tool for processing spiral bevel gear includes lathe bed 11, being provided with lathe bed 11 can be along X-direction
Mobile X-axis slide unit 12, X-axis slide unit 12 is provided with can be along the toolbox 13 that Z-direction moves, and which is provided with can rotate around C axles
Cutter spindle, one end of cutter spindle is provided with cutter；Being additionally provided with lathe bed can be along the panoramic table casing that Y direction moves
14, which is provided with can be provided with workpiece box 15 around one end suspension on the gyroaxis of B axle rotation, gyroaxis, in workpiece box 15
Workpiece spindle can rotate around A axles, and the position of workpiece box 15 is corresponding with foregoing tool position.
Numerical-control machine tool for processing spiral bevel gear directly controls three linear axis, i.e. X, Y, Z axis, and three rotations using computer
Rotating shaft, i.e. A, B, C axle, with the working motion of analog mechanical type spiral bevel gear, so as to process spiral bevel gear.
Following defects in actual use be present in the lathe：
Workpiece spindle is arranged in workpiece box, and workpiece box suspension is arranged on the gyroaxis of panoramic table casing, due to overhanging
It is longer, cause that rigidity is poor, and intrinsic frequency is relatively low, when processing the product of large modulus, vibrate at overhanging, finally result in whole
Individual lathe resonance.
Although the equipment is provided with static pressure Auxiliary support 16 in the bottom of workpiece box, the static pressure Auxiliary support 16 is whole
Circumferencial direction only has a strong point, and main cutting force direction rotates with B axle and changed, therefore the static pressure Auxiliary support 16 does not have
Play the supporting role in cutting force direction.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of hypoid generating machine, including panoramic table casing and
Workpiece box, the panoramic table casing have gyroaxis, and one end of the gyroaxis and the workpiece box are affixed；The workpiece box tool
There is connecting shaft, the connecting shaft is placed on the gyroaxis admittedly；Also include being coated at the hydrostatic bearing seat of the connecting shaft, itself and institute
It is affixed to state panoramic table casing；There are multiple circumferentially distributed static-pressure oil chambers between the hydrostatic bearing seat and the connecting shaft,
The fuel feeding road connected with each static-pressure oil chamber is additionally provided with the hydrostatic bearing seat.
Compared with prior art, the hypoid generating machine has the following technical effect that：
Connecting shaft at the overhanging position, i.e. workpiece box that workpiece box is connected with panoramic table casing, is cased with hydrostatic bearing seat outside,
To be supported to the overhanging position, the rigidity at the position is improved, is vibrated when reducing processing large modulus product general
Rate；
Due to being provided with multiple static-pressure oil chambers between hydrostatic bearing seat and connecting shaft, the hydraulic oil supplied to static-pressure oil chamber can be
Static pressure oil film is formed between hydrostatic bearing seat and connecting shaft, the static pressure oil film is formed radially on whole circumference direction to connecting shaft
When support, i.e. main cutting force direction change with gyroaxis rotation, the static pressure oil film can be in cutting force direction to workpiece box
There is provided support, it is ensured that the reliability and stability of work；In addition, static pressure oil film also acts as absorbing effect, workpiece can be effectively reduced
Vibration during processing.
Optionally, each static-pressure oil chamber is directly opened in the inner ring of the hydrostatic bearing seat.
Optionally, multiple static-pressure oil chambers are formed at one or more cavitys, and the cavity is embedded in the static pressure axle admittedly
The inner ring of bearing.
Optionally, circumference of multiple static-pressure oil chambers along the hydrostatic bearing seat is uniformly distributed.
Optionally, the inner ring of the hydrostatic bearing seat is additionally provided with ring-shaped groove, and the bottom of the hydrostatic bearing seat has
The oil-recovery tank connected with the ring-shaped groove.
Optionally, supply to hydraulic oil constant current design or the constant pressure design of each static-pressure oil chamber.
Optionally, it is provided with turntable bearing between the gyroaxis and the panoramic table casing.
Optionally, the hypoid generating machine is specially gear grinding machines or tooth milling machine.
Brief description of the drawings
Fig. 1 is the structural representation of existing numerical-control machine tool for processing spiral bevel gear；
Fig. 2 is the structural representation that the panoramic table casing of hypoid generating machine provided by the present invention is connected with workpiece box
Figure；
Fig. 3 is gyroaxis and the partial sectional view of workpiece box junction in Fig. 2.
Wherein, the one-to-one relationship in Fig. 1 between component names and reference is as follows：
Lathe bed 11, X-axis slide unit 12, toolbox 13, panoramic table casing 14, workpiece box 15, static pressure Auxiliary support 16；
Wherein, the one-to-one relationship in Fig. 2-3 between component names and reference is as follows：
Panoramic table casing 20, gyroaxis 21, workpiece box 30, connecting shaft 31, turntable bearing 40, hydrostatic bearing seat 50, fuel feeding
Road 51, ring-shaped groove 52, oil-recovery tank 53, static-pressure oil chamber 60.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
Hypoid generating machine provided by the invention is including setting and can be moved along first level direction on lathe bed, lathe bed
The first slide unit, the toolbox that can vertically move is set on first slide unit, and toolbox is provided with the cutter master that can be rotated around C axles
Axle, one end of cutter spindle are provided with cutter；Being additionally provided with lathe bed can be along the second horizontal direction (the second horizontal direction and the first water
Square to vertical) mobile panoramic table casing, it which is provided with the gyroaxis that can be rotated around B axle, one end installation workpiece of gyroaxis
Case, the workpiece spindle in it can rotate around A axles, and the position of workpiece box 15 is corresponding with tool position.
Realize that the concrete structure of connection and the action of above-mentioned each part can refer to prior art design.The main of the present invention changes
Enter and be a little workpiece box and panoramic table casing, more specifically, the attachment structure between gyroaxis.
Fig. 2 and Fig. 3 are refer to, Fig. 2 is the panoramic table casing and workpiece of hypoid generating machine provided by the present invention
The structural representation of case connection；Fig. 3 is gyroaxis and the partial sectional view of workpiece box junction in Fig. 2.
In the embodiment, hypoid generating machine includes panoramic table casing 20 and workpiece box 30, wherein, panoramic table case
Body 20 has gyroaxis 21, and one end of the gyroaxis 21 and workpiece box 30 are affixed；Workpiece box 30 has connecting shaft 31, the connecting shaft
31 are placed on gyroaxis 21 admittedly.
Hypoid generating machine also includes being coated at the hydrostatic bearing seat 50 of connecting shaft 31, itself and panoramic table casing 20
It is affixed, there are multiple circumferentially distributed static-pressure oil chambers 60, on hydrostatic bearing seat 50 between hydrostatic bearing seat 50 and connecting shaft 31
Also there is the fuel feeding road 51 connected with each static-pressure oil chamber 60.
During work, gyroaxis 21 is rotated to drive and rotated together with its affixed workpiece box 30, that is to say, that workpiece box 30
Connecting shaft 31 can relative static pressure bearing block 50 rotate.
In this way, the hypoid generating machine has the following technical effect that：
The connecting shaft 31 at the overhanging position that workpiece box 30 is connected with panoramic table casing 20, i.e. workpiece box 30, is cased with static pressure outside
Bearing block 50,50 pairs of overhanging positions of the hydrostatic bearing seat, i.e. connecting shaft 31 are supported, and improve the rigidity at the position, so as to
Reduce the probability vibrated during processing large modulus product；
Due to being provided with multiple static-pressure oil chambers 60 between hydrostatic bearing seat 50 and connecting shaft 31, supply to the liquid of static-pressure oil chamber 60
Force feed can form static pressure oil film between hydrostatic bearing seat 50 and connecting shaft 31, and the static pressure oil film is on whole circumference direction to even
Spindle 31 forms radial support, i.e., when main cutting force direction rotates and changed with gyroaxis 21, the static pressure oil film can be
Cut force direction and provide support to workpiece box 30, it is ensured that the reliability and stability of work；In addition, the static pressure oil film formed also rises
To the effect of absorbing, vibration during work pieces process can be effectively reduced.
In specific scheme, the number of static-pressure oil chamber 60 can be arranged as required to, and at least be set to two, whole to ensure
The formation of static pressure oil film in circumference.
In specific scheme, circumference (namely circumference of connecting shaft 31) of multiple static-pressure oil chambers 60 along hydrostatic bearing seat 50 is equal
Even distribution, and the volume of each static-pressure oil chamber is equal.
It is arranged such, it can be ensured that the uniformity of whole circumferential upper static pressure oil film, to ensure to the radial support of workpiece box 30
Uniformity and uniformity.
It should be appreciated that during actual setting, if the uneven distribution of multiple static-pressure oil chambers 60 or volume are each unequal and feasible
's.
And connecting shaft in specific scheme, each static-pressure oil chamber 60 can directly be opened in the inner ring of hydrostatic bearing seat 50, i.e.,
The one side of 31 contacts, is arranged such so that more compact structure, assembling are more convenient.
Certainly, each static-pressure oil chamber 60 can also be formed at one or more cavitys, i.e., processed on one or more cavitys
The static-pressure oil chamber 60 of number is needed, then cavity is consolidated into the inner ring embedded in hydrostatic bearing seat 50.Compared with aforesaid way, this kind of structure
Design can reduce difficulty of processing, but can increase parts, and assembling is more complicated.In practice, it is suitable to choose as needed
Structure.
In specific scheme, the inner ring of hydrostatic bearing seat 50 is additionally provided with ring-shaped groove 52, the bottom of hydrostatic bearing seat 50
With the oil-recovery tank 53 connected with ring-shaped groove 52.
In this way, unnecessary hydraulic oil can extrude the oil-recovery tank for ring-shaped groove 52, flowing to bottom under gravity
53, the waste of hydraulic oil can be avoided, saves cost.
Wherein, supply to the hydraulic oil of each static-pressure oil chamber 60 and can be designed with constant current, can also constant pressure design, in practice can be with
Chosen according to real needs and condition.
In specific scheme, turntable bearing 40 is additionally provided between gyroaxis 21 and panoramic table casing 20.In this way, to revolution
Axle 21 provides support, can improve stability and reliability when gyroaxis 21 rotates.
Specifically, the hypoid generating machine can be gear grinding machines or tooth milling machine.
A kind of hypoid generating machine provided by the present invention is described in detail above.It is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention.It should be pointed out that for those skilled in the art, this hair is not being departed from
On the premise of bright principle, some improvement and modification can also be carried out to the present invention, these are improved and modification also falls into power of the present invention
In the protection domain that profit requires.
Claims (8)
1. a kind of hypoid generating machine, including panoramic table casing (20) and workpiece box (30), the panoramic table casing
(20) there is gyroaxis (21), one end of the gyroaxis (21) and the workpiece box (30) are affixed；It is characterized in that：The work
Part case (30) has connecting shaft (31), and the connecting shaft (31) is placed on the gyroaxis (21) admittedly；Also include being coated at the company
The hydrostatic bearing seat (50) of spindle (31), it is affixed with the panoramic table casing (20)；The hydrostatic bearing seat (50) with it is described
There are multiple circumferentially distributed static-pressure oil chambers (60) between connecting shaft (31), be additionally provided with the hydrostatic bearing seat (50) with respectively
The fuel feeding road (51) of static-pressure oil chamber (60) connection.
2. hypoid generating machine according to claim 1, it is characterised in that each static-pressure oil chamber (60) is direct
It is opened in the inner ring of the hydrostatic bearing seat (50).
3. hypoid generating machine according to claim 1, it is characterised in that multiple static-pressure oil chamber (60) shapes
The inner ring of the hydrostatic bearing seat (50) is embedded in admittedly into one or more cavitys, the cavity.
4. hypoid generating machine according to claim 1, it is characterised in that multiple static-pressure oil chamber (60) edges
The circumference of the hydrostatic bearing seat (50) is uniformly distributed.
5. according to the hypoid generating machine described in claim any one of 1-4, it is characterised in that the hydrostatic bearing seat
(50) inner ring is additionally provided with ring-shaped groove (52), and the bottom of the hydrostatic bearing seat (50) has and the ring-shaped groove (52)
The oil-recovery tank (53) of connection.
6. according to the hypoid generating machine described in claim any one of 1-4, it is characterised in that supply to each static pressure oil
Hydraulic oil constant current design or the constant pressure design of chamber (60).
7. according to the hypoid generating machine described in claim any one of 1-4, it is characterised in that the gyroaxis (21)
Turntable bearing (40) is provided between the panoramic table casing (20).
8. according to the hypoid generating machine described in claim any one of 1-4, it is characterised in that the spiral bevel gear
Machining tool is specially gear grinding machines or tooth milling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882458.9A CN105364190B (en) | 2015-12-04 | 2015-12-04 | A kind of hypoid generating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510882458.9A CN105364190B (en) | 2015-12-04 | 2015-12-04 | A kind of hypoid generating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105364190A CN105364190A (en) | 2016-03-02 |
| CN105364190B true CN105364190B (en) | 2017-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510882458.9A Active CN105364190B (en) | 2015-12-04 | 2015-12-04 | A kind of hypoid generating machine |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798604B (en) * | 2021-09-24 | 2022-12-13 | 湖南中大创远数控装备有限公司 | Numerical control machine tool |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU817349A1 (en) * | 1978-12-11 | 1981-03-30 | Предприятие П/Я А-7755 | Hydrostatic support |
| TW200812745A (en) * | 2006-09-11 | 2008-03-16 | Lead Gem Machinery Technic Co Ltd | Structure of main shaft with hydrostatic pressure |
| CN101900163A (en) * | 2010-07-14 | 2010-12-01 | 武汉重型机床集团有限公司 | Frequency-conversion constant-current hydrostatic bearing |
| CN102248227A (en) * | 2011-06-14 | 2011-11-23 | 湖南中大创远数控装备有限公司 | Machine tool for machining spiral bevel gear |
| CN202597655U (en) * | 2012-04-26 | 2012-12-12 | 财团法人精密机械研究发展中心 | Hydraulic static turntable driving device |
| CN205147503U (en) * | 2015-12-04 | 2016-04-13 | 湖南中大创远数控装备有限公司 | A spiral bevel gear processing machine tool |
-
2015
- 2015-12-04 CN CN201510882458.9A patent/CN105364190B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU817349A1 (en) * | 1978-12-11 | 1981-03-30 | Предприятие П/Я А-7755 | Hydrostatic support |
| TW200812745A (en) * | 2006-09-11 | 2008-03-16 | Lead Gem Machinery Technic Co Ltd | Structure of main shaft with hydrostatic pressure |
| CN101900163A (en) * | 2010-07-14 | 2010-12-01 | 武汉重型机床集团有限公司 | Frequency-conversion constant-current hydrostatic bearing |
| CN102248227A (en) * | 2011-06-14 | 2011-11-23 | 湖南中大创远数控装备有限公司 | Machine tool for machining spiral bevel gear |
| CN202597655U (en) * | 2012-04-26 | 2012-12-12 | 财团法人精密机械研究发展中心 | Hydraulic static turntable driving device |
| CN205147503U (en) * | 2015-12-04 | 2016-04-13 | 湖南中大创远数控装备有限公司 | A spiral bevel gear processing machine tool |
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| CN105364190A (en) | 2016-03-02 |
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