CN210172720U - Gear hobbing machine - Google Patents
Gear hobbing machine Download PDFInfo
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- CN210172720U CN210172720U CN201920903816.3U CN201920903816U CN210172720U CN 210172720 U CN210172720 U CN 210172720U CN 201920903816 U CN201920903816 U CN 201920903816U CN 210172720 U CN210172720 U CN 210172720U
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Abstract
The utility model discloses a gear hobbing machine, which relates to the technical field of gear hobbing machines, and mainly comprises a B-axis mechanism, a swing angle box body, a tailstock mechanism, a machine tool body, a chip removal mechanism, a C-axis mechanism, a Z-axis displacement mechanism, a Y-axis mechanism, an A-axis rotation mechanism and an X-axis displacement mechanism; each mechanism adopts a transmission mode that a servo motor drives a screw rod, the transmission structure is simple, the transmission chain is short, the installation is simple and convenient, the rotating speed is high, and the tailstock mechanism can freely advance and retreat.
Description
Technical Field
The utility model relates to a gear hobbing machine technical field especially relates to a gear hobbing machine.
Background
A gear hobbing machine is a machine tool which is most widely applied in gear processing machines, and straight teeth and helical gears can be cut on the gear hobbing machine, and worm gears, chain wheels and the like can also be processed. A gear processing machine for processing straight teeth, helical teeth, herringbone cylindrical gears and worm gears by a hob according to a generating method. When the machine tool uses a special hob, various workpieces with special tooth shapes such as a spline, a chain wheel and the like can be machined.
The high-efficiency gear hobbing machine appeared in the 20 th century and the 60 s later mainly adopts a hard alloy hob as high-speed and large-feed-rate gear hobbing, and a hob main shaft usually adopts a hydrostatic bearing, so that oil mist can be automatically treated and chips can be automatically removed. Such a gear hobbing machine is suitable for mass production of gears. The large high-precision hobbing machine is mainly used for processing gears with high requirements on motion stability and service life, such as large high-precision high-speed gear pairs of a steam turbine, a ship propulsion device and the like. Generally, the development is matched with the development of the vertical type and the horizontal type. In addition to strict manufacturing and fine assembly and adjustment requirements, some gear hobbing machines also have a motion error detection device arranged on the hob spindle and the working table, and automatically feed back and compensate errors so as to improve the precision. In order to avoid the influence of internal and external heat sources on the gear hobbing machine, the temperatures of a hydraulic and cooling system are strictly controlled, and the gear hobbing machine must be arranged on a firm foundation in a constant-temperature factory and provided with a vibration-proof isolation groove. The small gear hobbing machine is used for processing instrument gears. The watch gear hobbing machine generally uses a hard alloy hob to machine a watch cycloid gear, the cycle beat is fast, the requirement on the reliability of a machine tool is high, and each machine tool is provided with an automatic feeding and discharging device to perform single-machine automatic machining. In addition, there are also a variety of gear hobbing machines for special purposes, such as indexing worm gear hobbing machines for machining high-precision worm gears.
The hobbing cutter part of the existing gear hobbing machine adopts a motor driving mode, so that the hobbing cutter part has long transmission chain, is complex to install and low in rotating speed, and cannot advance and retreat automatically, so that the hobbing cutter part is difficult to machine.
Disclosure of Invention
For solving the technical problem, the utility model provides an installation is simple convenient, the rotational speed is high, but tailstock part advances and retreats gear hobbing machine automatically.
In order to achieve the above object, the utility model provides a following scheme:
the utility model provides a gear hobbing machine, which comprises a machine tool body, a Z-axis displacement mechanism and a C-axis mechanism, wherein the Z-axis displacement mechanism and the C-axis mechanism are arranged on the machine tool body; the Z-axis displacement mechanism is used for driving an X-axis displacement mechanism to perform linear displacement, the X-axis displacement mechanism is used for driving an A-axis rotation mechanism to perform linear displacement, the A-axis rotation mechanism is used for driving a Y-axis mechanism to perform linear displacement, the Y-axis mechanism is used for driving a B-axis mechanism to perform linear displacement, and the B-axis mechanism is used for driving a cutter to rotate.
Optionally, the workpiece machining device further comprises a tailstock mechanism, the tailstock mechanism is arranged on the machine tool body, and the tailstock mechanism is used for assisting and supporting the workpiece during machining.
Optionally, the machine tool further comprises a chip removal mechanism, wherein the chip removal mechanism is arranged on the machine tool body and used for taking away chips and chip liquid.
Optionally, the Z-axis displacement mechanism includes a Z-axis linear rail, a Z-axis lead screw and a Z-axis servo motor; the Z-axis servo motor is arranged on the machine tool body, the Z-axis lead screw is in power connection with the Z-axis servo motor, and the Z-axis rails are arranged on the machine tool body on two sides of the Z-axis lead screw.
Optionally, the X-axis displacement mechanism includes an X-axis supporting plate, an X-axis linear rail, an X-axis lead screw, and an X-axis servo motor; the X-axis supporting plate is arranged on the Z-axis line rail, the X-axis supporting plate is in transmission connection with the Z-axis screw rod, the X-axis servo motor is arranged on the X-axis supporting plate, the X-axis screw rod is in power connection with the X-axis servo motor, and the X-axis line rail is arranged on the X-axis supporting plate on two sides of the X-axis screw rod.
Optionally, the a-axis rotating mechanism comprises a swing angle box body, a swing angle tool fleeing seat, an a-axis servo motor and an a-axis speed reducer; the swing angle box body is arranged on the X-axis linear rail and is in transmission connection with the X-axis lead screw, the A-axis servo motor and the A-axis speed reducer are both arranged in the swing angle box body, and the A-axis servo motor is in power connection with the A-axis speed reducer; the swing angle channeling cutter seat is arranged at the front end of the swing angle box body and is in power connection with the A-axis speed reducer.
Optionally, the Y-axis mechanism includes a Y-axis linear rail, a Y-axis lead screw, a Y-axis servo motor, and a Y-axis slider; the Y-axis sliding block is arranged on the swing angle scurrying tool apron, the Y-axis servo motor is arranged on the Y-axis sliding block, the Y-axis lead screw is in power connection with the Y-axis servo motor, and the Y-axis rail is arranged on the swing angle scurrying tool apron and located on two sides of the Y-axis lead screw.
Optionally, the B-axis mechanism comprises a B-axis hob plate, a hob tailstock component, a B-axis reducer and a B-axis motor; the B axle hobbing cutter tool post with Y axle lead screw power is connected, hobbing cutter tailstock part set up in B axle hobbing cutter tool post board one end, B axle motor set up in B axle hobbing cutter tool post board other end, B axle speed reducer with B axle motor power is connected, the power take off end of B axle speed reducer is used for power to connect the hobbing cutter, hobbing cutter tailstock part is used for the tight hobbing cutter in top.
The utility model discloses for prior art gain following technological effect:
(1) the B-axis mechanism and the C-axis mechanism adopt a high-number direct-drive structure, gear transmission errors are eliminated, the characteristics of high rotating speed, high rigidity, strong shock resistance, constant temperature keeping and the like are integrated, the rotating speed of the hob shaft can reach 5000r/min at most, the rotating speed of the C-axis is 300r/min at most, the production efficiency is high, indexing motion and generating linkage are realized through a numerical control system accurate numerical control model by adopting a generating method principle, and accordingly, the mass production of ISO-6 gears is realized.
The radial straightness tolerance of the workpiece spindle is 0.008mm, the radial runout difference of the rotary axis of the outer cone of the workpiece spindle is 0.002mm, the radial runout of the rotary axis of the inner cone of the workpiece spindle is 0.002mm, and the radial runout tolerances of the far-end axis and the near-end axis of the workpiece spindle are 0.002mm and 0.008 mm.
The allowance of radial runout of the rotary axis of the inner taper hole of the tool fleeing main shaft is 0.002mm, the allowance of radial runout of the rotary axis of the tool fleeing main shaft fixture is 0.002mm, the coaxiality of the tool fleeing main shaft and the rotary axis of the tool fleeing tail seat sleeve hole is 0.002mm, and the allowance of end face runout of the hob main shaft is 0.002 mm.
(2) The X-axis displacement mechanism and the Z-axis displacement mechanism both adopt ball guide rails, the service life of the guide rail pair is long, the servo motors are adopted for direct connection, and the movement precision is high;
(3) the Y-axis mechanism is directly connected by a servo motor, so that precise cutter fleeing is realized, the hob is ensured to be uniformly worn, and the service life of the cutter is prolonged. The B shaft is also driven by a servo motor, so that the tailstock component is quickly and accurately positioned;
(4) the A-axis rotating mechanism adopts a servo motor, an RV reducer and a hydraulic clamping device, and the automatic swing angle function is easily realized;
(5) because of the advantages of high precision, high rotating speed, strong overload resistance, good stability, low heat generation, low noise and the like of the servo motor, the integral quality of the equipment is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural view of the gear hobbing machine of the present invention;
fig. 2 is a second view structural diagram of the gear hobbing machine of the present invention;
fig. 3 is a schematic view of a sectional structure of the gear hobbing machine of the present invention.
Description of reference numerals: 1. a B-axis mechanism; 2. a swing angle box body; 3. a tailstock mechanism; 4. a machine tool body; 5. a chip removal mechanism; 6. a C-axis mechanism; 7. a Z-axis servo motor; 8. a chip removal motor; 9. a Y-axis mechanism; 10. a Z-axis lead screw; 11. a Z-axis linear rail; 12. an X-axis servo motor; 13. a chip removal space; 14. An A-axis reducer; 15. an X-axis pallet; 16. an A-axis servo motor; 17. a Y-axis lead screw; 18. y-axis servo motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1, the present embodiment provides a gear hobbing machine, including a machine bed 4, and a Z-axis displacement mechanism and a C-axis mechanism 6 which are arranged on the machine bed 4, where the C-axis mechanism 6 is used for driving a workpiece to make a rotary motion; the Z-axis displacement mechanism is used for driving an X-axis displacement mechanism to perform linear displacement, the X-axis displacement mechanism is used for driving an A-axis rotation mechanism to perform linear displacement, the A-axis rotation mechanism is used for driving a Y-axis mechanism 9 to perform linear displacement, the Y-axis mechanism 9 is used for driving a B-axis mechanism 1 to perform linear displacement, and the B-axis mechanism 1 is used for driving a cutter to rotate.
In this embodiment, as shown in fig. 1 to 3, the present invention further includes a tailstock mechanism 3, the tailstock mechanism is disposed on the machine tool body 4, the tailstock mechanism 3 is configured to assist in supporting a workpiece during machining, the tailstock mechanism 3 is of an existing structure, and details in this embodiment are not repeated. Still include chip removal mechanism 5, chip removal mechanism 5 set up in on the lathe bed 4 for take away smear metal and smear metal liquid, chip removal mechanism 5 includes chip removal motor 8 and screw rod, and chip removal motor 8 is connected with screw rod power, and the screw rod is located the chip removal space 13 in the lathe bed 4 of 1 below of B axle mechanism, and smear metal liquid drop on the screw rod, take away smear metal and smear metal liquid through the rotation of screw rod.
The Z-axis displacement mechanism comprises a Z-axis linear rail 11, a Z-axis lead screw 10 and a Z-axis servo motor 7; the Z-axis servo motor 7 is arranged on the machine tool body 4, the Z-axis screw rod 10 is in power connection with the Z-axis servo motor 7, and the Z-axis linear rails 11 are arranged on the machine tool body 4 on two sides of the Z-axis screw rod 10.
The X-axis displacement mechanism comprises an X-axis supporting plate 15, an X-axis linear rail, an X-axis lead screw and an X-axis servo motor 12; the X-axis supporting plate 15 is arranged on the Z-axis line rail 11, the X-axis supporting plate 15 is in transmission connection with the Z-axis screw rod 10, the X-axis servo motor 12 is arranged on the X-axis supporting plate 15, the X-axis screw rod is in power connection with the X-axis servo motor 12, and the X-axis line rail is arranged on the X-axis supporting plate 15 on two sides of the X-axis screw rod.
The A-axis rotating mechanism comprises a swing angle box body 2, a swing angle tool fleeing base, an A-axis servo motor 16 and an A-axis speed reducer 14; the swing angle box body 2 is arranged on the X-axis linear rail, the swing angle box body 2 is in transmission connection with the X-axis lead screw, the A-axis servo motor 16 and the A-axis speed reducer 14 are both arranged in the swing angle box body 2, and the A-axis servo motor 16 is in power connection with the A-axis speed reducer 14; the swing angle tool fleeing seat is arranged at the front end of the swing angle box body 2 and is in power connection with the A-axis speed reducer 14.
The Y-axis mechanism 9 comprises a Y-axis linear rail, a Y-axis lead screw 17, a Y-axis servo motor 18 and a Y-axis sliding block; the Y-axis sliding block is arranged on the swing angle channeling cutter seat, the Y-axis servo motor 18 is arranged on the Y-axis sliding block, the Y-axis screw rod 17 is in power connection with the Y-axis servo motor 18, and the Y-axis rail is arranged on the swing angle channeling cutter seat and located on two sides of the Y-axis screw rod 17.
The B-axis mechanism 1 comprises a B-axis hob cutter frame plate, a hob tailstock part, a B-axis speed reducer and a B-axis motor; b axle hobbing cutter tool rest board with Y axle lead screw 17 power is connected, hobbing cutter tailstock part set up in B axle hobbing cutter tool rest board one end, B axle motor set up in B axle hobbing cutter tool rest board other end, B axle speed reducer with B axle motor power is connected, the power take off end of B axle speed reducer is used for power to connect the hobbing cutter, hobbing cutter tailstock part is used for the tight hobbing cutter in top.
The gear hobbing in the embodiment is mainly used for machining straight spur gears, helical gears, crowned teeth and worm gears. The high-precision gear machining device can be widely applied to the high-efficiency machining of various gears with different precision in the industries of gear machining and the like in gearboxes of motorcycles, instruments, toys, electric tools, fishing gear and small automobiles.
The gear hobbing machine in the embodiment has the advantages of short transmission chain, convenience in installation and high rotating speed, and the tail seat part of the workpiece can automatically advance and retreat.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. A gear hobbing machine is characterized by comprising a machine tool body, a Z-axis displacement mechanism and a C-axis mechanism, wherein the Z-axis displacement mechanism and the C-axis mechanism are arranged on the machine tool body; the Z-axis displacement mechanism is used for driving an X-axis displacement mechanism to perform linear displacement, the X-axis displacement mechanism is used for driving an A-axis rotation mechanism to perform linear displacement, the A-axis rotation mechanism is used for driving a Y-axis mechanism to perform linear displacement, the Y-axis mechanism is used for driving a B-axis mechanism to perform linear displacement, and the B-axis mechanism is used for driving a cutter to rotate.
2. The gear hobbing machine of claim 1, further comprising a tailstock mechanism disposed on the machine tool body for assisting in supporting a workpiece during machining.
3. The gear hobbing machine of claim 1, further comprising a chip removal mechanism disposed on the machine tool body for taking away chips and chip fluid.
4. The gear hobbing machine of claim 1, wherein the Z-axis displacement mechanism includes a Z-axis linear rail, a Z-axis lead screw and a Z-axis servo motor; the Z-axis servo motor is arranged on the machine tool body, the Z-axis lead screw is in power connection with the Z-axis servo motor, and the Z-axis rails are arranged on the machine tool body on two sides of the Z-axis lead screw.
5. The gear hobbing machine of claim 4, wherein the X-axis displacement mechanism comprises an X-axis pallet, an X-axis linear rail, an X-axis lead screw, and an X-axis servo motor; the X-axis supporting plate is arranged on the Z-axis line rail, the X-axis supporting plate is in transmission connection with the Z-axis screw rod, the X-axis servo motor is arranged on the X-axis supporting plate, the X-axis screw rod is in power connection with the X-axis servo motor, and the X-axis line rail is arranged on the X-axis supporting plate on two sides of the X-axis screw rod.
6. The hobbing machine of claim 5, wherein the a-axis rotating mechanism comprises a swing angle box, a swing angle tool changer, an a-axis servo motor and an a-axis reducer; the swing angle box body is arranged on the X-axis linear rail and is in transmission connection with the X-axis lead screw, the A-axis servo motor and the A-axis speed reducer are both arranged in the swing angle box body, and the A-axis servo motor is in power connection with the A-axis speed reducer; the swing angle channeling cutter seat is arranged at the front end of the swing angle box body and is in power connection with the A-axis speed reducer.
7. The gear hobbing machine of claim 6, wherein the Y-axis mechanism includes a Y-axis linear rail, a Y-axis lead screw, a Y-axis servomotor, and a Y-axis slide; the Y-axis sliding block is arranged on the swing angle scurrying tool apron, the Y-axis servo motor is arranged on the Y-axis sliding block, the Y-axis lead screw is in power connection with the Y-axis servo motor, and the Y-axis rail is arranged on the swing angle scurrying tool apron and located on two sides of the Y-axis lead screw.
8. The gear hobbing machine of claim 7, wherein the B-axis mechanism comprises a B-axis hob plate, a hob tailstock component, a B-axis reducer and a B-axis motor; the B axle hobbing cutter tool post with Y axle lead screw power is connected, hobbing cutter tailstock part set up in B axle hobbing cutter tool post board one end, B axle motor set up in B axle hobbing cutter tool post board other end, B axle speed reducer with B axle motor power is connected, the power take off end of B axle speed reducer is used for power to connect the hobbing cutter, hobbing cutter tailstock part is used for the tight hobbing cutter in top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903816.3U CN210172720U (en) | 2019-06-17 | 2019-06-17 | Gear hobbing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920903816.3U CN210172720U (en) | 2019-06-17 | 2019-06-17 | Gear hobbing machine |
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| CN210172720U true CN210172720U (en) | 2020-03-24 |
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| CN201920903816.3U Active CN210172720U (en) | 2019-06-17 | 2019-06-17 | Gear hobbing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170707A (en) * | 2019-06-17 | 2019-08-27 | 中山迈雷特智能装备有限公司 | A kind of gear-hobbing machine |
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2019
- 2019-06-17 CN CN201920903816.3U patent/CN210172720U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110170707A (en) * | 2019-06-17 | 2019-08-27 | 中山迈雷特智能装备有限公司 | A kind of gear-hobbing machine |
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Address after: No. 102, No. 43, Keji West Road, Torch Development Zone, Zhongshan City, Guangdong Province Patentee after: ZHONGSHAN MLTOR INTELLIGENT EQUIPMENT Co.,Ltd. Address before: 1 building, No. 5, splendid Road, Torch Development Zone, Guangdong, Zhongshan 528437, China Patentee before: ZHONGSHAN MLTOR INTELLIGENT EQUIPMENT Co.,Ltd. |
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