CN211028413U

CN211028413U - Harmonic reducer gear optical processing machine tool

Info

Publication number: CN211028413U
Application number: CN201921578584.5U
Authority: CN
Inventors: 陈灿华; 马新全; 赖锦康; 许新生; 张艳菁
Original assignee: World Precision Manufacturing Dongguan Co Ltd
Current assignee: World Precision Manufacturing Dongguan Co Ltd
Priority date: 2019-09-20
Filing date: 2019-09-20
Publication date: 2020-07-17
Anticipated expiration: 2029-09-20

Abstract

The utility model discloses a harmonic reduction gear optical machining machine tool, it includes work platform, the fine setting module, coolant liquid holding case, coolant liquid circulating device, the cutter, anchor clamps and install in work platform's air supporting revolving stage and cutter moving mechanism, the fine setting module is installed on the air supporting revolving stage, coolant liquid holding case and anchor clamps are all installed in the output of fine setting module, and place coolant liquid holding case in the anchor clamps, it is rotatory to borrow the work piece on the rotatory drive anchor clamps of air supporting revolving stage, the cutter is installed in cutter moving mechanism's output, borrow the relative position between the work piece on removal adjustment cutter and the anchor clamps of fine setting module, the cutter removes the work piece on the anchor clamps with milling under cutter moving mechanism's drive, coolant liquid circulating device and coolant liquid holding case intercommunication and continuously let in cooling liquid cooling but the cutter. The utility model discloses a harmonic reducer gear optical machining machine tool can improve manufacturing accuracy, improve manufacturing efficiency, antifriction increase of service life, improve reliability and reduce cost.

Description

Harmonic reducer gear optical processing machine tool

Technical Field

The utility model relates to a harmonic reduction gear production field especially relates to a harmonic reduction gear optical machining machine tool.

Background

Under the background of intense competition between international industrial 4.0 and national industrial manufacturing 2025, domestic precision machining enterprises and automatic equipment research and development enterprises are increasingly researching and developing harmonic reducers, wherein the machining of a flexible gear and a rigid gear of the harmonic reducer is one of key technologies, the difficulty is high, the investment is high, the risk is high, and for the machining of small-modulus ultrahigh-precision gears, the manufacturing of the gears is usually realized by importing a small-modulus ultraprecise hobbing machine, a gear shaping machine, a full-series hobbing cutter and a slotting cutter, an ultraprecise tooling fixture, a gear grinding machine and the like, but the import difficulty greatly restricts the research and development of the harmonic reducer.

The key difficulty in processing the flexible gear and the rigid gear of the harmonic reducer is as follows: the size is various (5, 8, 11, 14, 17, 20, 25, 32, 40.), the reduction ratio is various (30, 50, 80, 100, 120, 160), the tooth profile change is large (an involute tooth profile, a P tooth profile, an S tooth profile and a circular arc tooth profile …), the modulus is from 0.1 to 0.8, the number of teeth is from 60 to 300, the size precision requirement is less than 1 mu m, and the surface roughness is less than 0.2 mu m, so the problems of how to improve the manufacturing precision, the manufacturing efficiency, the service life, the reliability, the friction reduction cost and the like become the key for processing the harmonic reducer, however, the existing production technology cannot meet the existing production requirement.

Therefore, a harmonic reducer gear optical processing machine tool is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a harmonic reducer gear optical machining machine tool, it can improve manufacturing accuracy, improve manufacturing efficiency, antifriction and prolong life, improve reliability and reduce cost.

In order to achieve the above object, the present invention provides a harmonic reducer gear optical processing machine tool, which comprises a working platform, a fine adjustment module, a coolant liquid holding box, a coolant liquid circulating device, a cutter, a clamp for clamping a workpiece, an air-floating rotary table and a cutter moving mechanism, wherein the fine adjustment module is installed on the air-floating rotary table, the coolant liquid holding box and the clamp are both installed at the output end of the fine adjustment module, the clamp is arranged in the coolant liquid holding box, the rotation of the air-floating rotary table drives the workpiece on the clamp to rotate, the cutter is installed at the output end of the cutter moving mechanism, the relative position between the cutter and the workpiece on the clamp is adjusted by the movement of the fine adjustment module, the cutter moves under the driving of the cutter moving mechanism to mill the workpiece on the clamp, and the cooling liquid circulating device is communicated with the cooling liquid accommodating box and is introduced with cooling liquid to cool the cutter.

Preferably, the tool moving mechanism includes an X-axis air-floating type feeding module and a Z-axis air-floating type feeding module, the X-axis air-floating type feeding module is mounted on the working platform, the Z-axis air-floating type feeding module is mounted at an output end of the X-axis air-floating type feeding module, the Z-axis air-floating type feeding module moves along the X-axis direction of the working platform under the driving of the X-axis air-floating type feeding module, the tool is mounted at an output end of the Z-axis air-floating type feeding module, and the tool moves along the Z-axis direction of the working platform under the driving of the Z-axis air-floating type feeding module.

Specifically, the X-axis air-floating type feeding module comprises a first driver, a first moving seat, a first air-floating guide rail and a first encoder electrically connected with the first driver, the first air-floating guide rail and the first driver are installed on the working platform, the first moving seat is slidably arranged on the first air-floating guide rail and the first moving seat is further installed at the output end of the first driver, the first moving seat is connected with the Z-axis air-floating type feeding module, and the first driver drives the first moving seat to move along the X-axis direction of the working platform so as to drive the Z-axis air-floating type feeding module to move along the X-axis direction of the working platform.

Specifically, Z axle air supporting formula feeds the module include second driver, second removal seat, second air supporting guide rail and with second driver electric connection's second encoder, second air supporting guide rail and second driver install in first removal seat, the second is removed the seat and is located with sliding the second air supporting guide rail just the second removes the seat still install in the output of second driver, the second remove the seat with the cutter is connected, the second driver is through ordering about the second removes the seat and follows work platform's Z axle direction removes in order to drive the cutter is followed work platform's Z axle direction removes.

Preferably, the tool is a diamond tool.

Preferably, the fine adjustment module comprises a sliding bottom plate, a mounting plate, an X-axis micrometer fine adjuster and a Y-axis micrometer fine adjuster, the sliding bottom plate is arranged on the air-floatation rotating platform in a sliding manner along the X-axis direction of the working platform, the X-axis micrometer fine adjuster is arranged on the air-floatation rotating platform, the sliding bottom plate is arranged at the output end of the X-axis micrometer fine adjuster, the position of the sliding bottom plate is adjusted by the extension and contraction of the X-axis micrometer fine adjuster, the mounting plate is arranged on the sliding bottom plate in a sliding manner along the Y-axis direction of the working platform, the Y-axis micrometer fine adjuster is arranged on the sliding bottom plate, and the mounting plate is arranged at the output end of the Y-axis micrometer fine adjuster, the position of the mounting plate is adjusted by the stretching of the Y-axis micrometer fine adjuster, and the clamp is arranged on the mounting plate.

Preferably, the coolant circulating device includes a coolant pump station, a liquid inlet pipe, a liquid return pipe and a hydraulic pump disposed in the liquid inlet pipe, one end of the liquid inlet pipe is communicated with the coolant pump station, the other end of the liquid inlet pipe extends into the coolant accommodating box and has a nozzle for spraying coolant, one end of the liquid return pipe is communicated with the bottom of the coolant accommodating box, and the other end of the liquid return pipe is communicated with the coolant pump station.

Preferably, the cooling liquid accommodating box comprises a cooling liquid box body, a first cover plate and a second cover plate, a cooling liquid tank for storing cooling liquid is arranged in the cooling liquid box body, the first cover plate and the second cover plate are both pivoted with the cooling liquid box body, the first cover plate and the second cover plate cover the notch of the cooling liquid tank, and the first cover plate is provided with a through hole for the cutter to extend into.

Preferably, the working platform is a marble platform.

Preferably, the harmonic reducer gear optical processing machine tool further comprises an air-floating shock absorption seat, and the air-floating shock absorption seat is installed at the bottom of the working platform.

Compared with the prior art, the utility model discloses a harmonic reduction gear optical machining machine tool is through will finely tune the module, coolant liquid holding case, coolant liquid circulating device, air supporting revolving stage and cutter moving mechanism combine together, finely tune the module and install on the air supporting revolving stage, coolant liquid holding case is installed in the output of finely tuning the module, place coolant liquid holding case in the anchor clamps in, borrow the relative position between the work piece on removal adjustment cutter and the anchor clamps of finely tuning the module, thereby realize the tool setting process before processing, the setting of finely tuning the module can realize the accurate positioning calibration of work piece, and then improve the accuracy of processing; the rotation of the air-floating rotating platform drives the workpiece on the clamp to rotate, so that the workpiece rotates by one tooth angle to realize the rapid switching of machining between teeth, and the high-precision circumferential separation of tooth numbers can be realized by utilizing the characteristic of small friction of the air-floating rotating platform, so that the machining accuracy is improved; the cutter is arranged at the output end of the cutter moving mechanism, the cutter moves under the driving of the cutter moving mechanism to mill a workpiece, the cutter moving mechanism can enable the cutter to realize high-speed feeding, high dimensional accuracy and low surface roughness are realized, and the cutter and a machining area are continuously cooled by matching with the upper cooling liquid circulating device, so that the thermal influence of the cutter during milling is reduced, the machining condition of optical cold machining is met, and the service life and the precision of the cutter can be effectively protected. To sum up, the utility model discloses a harmonic reducer ware gear optical machining machine tool can realize a plurality of processes such as tool setting, milling, intertooth switch and cooling protection automatically to can improve manufacturing accuracy, improve manufacturing efficiency, antifriction and prolong life, improve reliability and reduce cost.

Drawings

Fig. 1 is a schematic perspective view of the harmonic reducer gear optical processing machine tool of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the harmonic reducer gear optical processing machine of the present invention after hiding the housing and the display.

Fig. 3 is a schematic plan view of the harmonic reducer gear finishing machine of fig. 2, cut in a longitudinal direction.

Fig. 4 is a partially enlarged view of a portion a in fig. 3.

Fig. 5 is a schematic view of the cooling liquid circulation structure of the harmonic reducer gear optical processing machine tool of the present invention.

Fig. 6 is a schematic perspective view of a fine adjustment module in the harmonic reducer gear optical processing machine tool of the present invention.

Fig. 7 is a schematic plan view of the projection of fig. 6 in the direction indicated by the arrow C.

Detailed Description

In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

Referring to fig. 1 to 3, the present invention provides a harmonic reducer gear optical processing machine tool 100, which can be used for processing the gears of cup-shaped and hat-shaped harmonic reducers, wherein the harmonic reducer gear optical processing machine tool 100 comprises a working platform 1, an air-floating rotary table 2, a fine-tuning module 3, a cooling liquid accommodating box 4, a cooling liquid circulating device 5, a cutter 6, a cutter moving mechanism 7, an air-floating shock-absorbing seat 8, a cabinet 9, a display 10 and a clamp 11 for clamping a workpiece, wherein the working platform 1 is a marble platform, but not limited thereto, the air-floating shock-absorbing seat 8 is supported on the cabinet 9, the air-floating shock-absorbing seat 8 is mounted at the bottom of the working platform 1, the air-floating shock-absorbing seat 8 is respectively supported at four corners of the marble platform, thereby reducing machine tool vibration, ground disorder and vibration error to the lowest, so as to reduce the precision influence on the manufacture of, thereby improving the overall accuracy of workpiece processing, a bracket assembly 1a for mounting an air-floating rotary table 2 is arranged on a working platform 1, the air-floating rotary table 2 is mounted on the working platform 1 through the bracket assembly 1a, a fine-tuning module 3 is mounted on the air-floating rotary table 2, the output end of the fine-tuning module 3 is provided with a mounting flange 31, a cooling liquid accommodating box 4 is mounted at the output end of the fine-tuning module 3 through the mounting flange 31, a clamp 11 is arranged in the cooling liquid accommodating box 4, the clamp 11 is mounted at the output end of the fine-tuning module 3 through the mounting flange 31, the cooling liquid accommodating box 4 can be used for accommodating cooling liquid, as the clamp 11 is arranged in the cooling liquid accommodating box 4, when the cooling liquid accommodating box 4 is filled with cooling liquid, the clamp 11 is partially soaked in the cooling liquid, the rotation of the fine-tuning module 3 is linked by the rotation of the air-floating rotary, in other words, the workpiece on the clamp 11 is driven to rotate by the rotation of the air floatation rotating table 2, so that the workpiece rotates by the angle of one tooth to realize the switching of machining between teeth, an ultrahigh precision rotary encoder is arranged in the air floatation rotating table 2, and the arrangement of the air floatation rotating table 2 can realize high-precision tooth number circumferential separation, so that the machining precision is improved, and the rotation of the cutter 6 reaches micron-sized ultrahigh precision indexing by utilizing the characteristics of high speed and high precision of the air floatation rotating table 2; the cutter moving mechanism 7 is arranged on the working platform 1, the cutter 6 is arranged at the output end of the cutter moving mechanism 7, the cutter 6 also extends into the cooling liquid containing box 4, the fine adjustment module 3 drives the cooling liquid containing box 4 and the clamp 11 in the cooling liquid containing box 4 to move slightly, in other words, the relative position between the cutter 6 and a workpiece on the clamp 11 can be adjusted by the movement of the fine adjustment module 3, so that the tool setting procedure before processing is realized, the setting of the fine adjustment module 3 can realize the accurate positioning and calibration of the workpiece, further the processing accuracy is improved, the cutter 6 moves under the driving of the cutter moving mechanism 7 to mill the workpiece, the cooling liquid circulating device 5 is communicated with the cooling liquid containing box 4 and continuously leads in the cooling liquid to cool the cutter 6, the cutter moving mechanism 7 can realize high-speed feeding of the cutter 6, and realize high dimensional accuracy and low surface roughness, the cooling liquid circulating device 5 is matched to cool the cutter 6 and the processing area continuously, so that the heat influence of the cutter 6 during milling is reduced to meet the processing condition of optical cold processing, and the service life and the precision of the cutter 6 can be effectively protected; the cutter 6 is a diamond cutter, the cutter 6 is made into a profile modeling tooth shape in advance, the cutter 6 adopts diamond, when the cutter 6 feeds micrometer machining amount every time, the cutting force to the machined part is very small, even if the workpiece adopts the clamp 11 with lower precision, the deformation of the final machining surface of the workpiece is still very small, the surface roughness is low, so that the surface of the machined tooth of the workpiece achieves the lens effect, the grinding treatment is not needed, the surface hardness can reach HRC 60-65, the wear resistance and the service life of the gear are greatly improved, the harmonic reducer gear optical machining tool 100 of the utility model combines the fine adjustment module 3, the cooling liquid containing box 4, the cooling liquid circulating device 5, the air floatation rotating platform 2, the cutter 6 and the cutter moving mechanism 7 together, and the gear of the cup-shaped and silk hat-shaped harmonic reducers can be machined by adopting the optical cold machining process, the machining deformation caused by milling and grinding is reduced to be extremely low, and the surface of the machined part reaches a mirror surface, so that the ultra-high precision machining requirement of the harmonic reducer gear is met. Preferably, the clamp 11 is a three-jaw chuck assembly, but is not limited thereto.

More specifically, the following:

referring to fig. 2 to 4, the tool moving mechanism 7 includes an X-axis air-floating type feeding module 71 and a Z-axis air-floating type feeding module 72, the X-axis air-floating type feeding module 71 is installed on the working platform 1, the Z-axis air-floating type feeding module 72 is installed at an output end of the X-axis air-floating type feeding module 71, the Z-axis air-floating type feeding module 72 moves along the X-axis direction of the working platform 1 under the driving of the X-axis air-floating type feeding module 71 (the directions of the X-axis, the Y-axis, and the Z-axis are shown in fig. 2), the tool 6 is installed at an output end of the Z-axis air-floating type feeding module 72, the tool 6 moves along the Z-axis direction of the working platform 1 under the driving of the Z-axis air-floating type feeding module 72, thereby realizing the movement of the tool 6 along the X-axis and Z-axis directions of the working platform 1, during milling, the X-axis, and then, the Z-axis air-floating type feeding module 72 drives the cutter 6 to feed a tooth-shaped length stroke along the Z-axis direction of the working platform 1, so that a tooth is milled, and because the X-axis air-floating type feeding module 71 and the Z-axis air-floating type feeding module 72 are both air-floating devices, the feeding accuracy of the cutter 6 can reach micron-sized feeding by utilizing the characteristics of high speed and high accuracy of the X-axis air-floating type feeding module 71 and the Z-axis air-floating type feeding module 72, so that the tooth surface processed by the workpiece can reach the lens effect, and the grinding treatment is not needed to reach the standard of an optical cold processing technology. Specifically, the X-axis air-floating feed module 71 includes a first actuator 711, a first moving seat 712, a first air-floating guide 713, and a first encoder (not shown), where the first encoder is electrically connected to the first actuator 711, so as to implement high-precision operation of the first actuator 711, the first air-floating guide 713 and the first actuator 711 are installed on the work platform 1, the first moving seat 712 is slidably disposed on the first air-floating guide 713 along the X-axis direction of the work platform 1, the first moving seat 712 is further installed at an output end of the first actuator 711, the first moving seat 712 is connected to the Z-axis air-floating feed module 72 through a screw, the first actuator 711 drives the first moving seat 712 to move along the X-axis direction of the work platform 1, so as to drive the Z-axis air-floating feed module 72 to move along the X-axis direction of the work platform 1, and the first air-floating guide 713 can effectively reduce friction force applied to the first moving seat 712 during movement, thereby improving the positional accuracy of the first movable base 712, and further achieving a higher accuracy of the feeding motion of the tool 6 in the X-axis direction. The Z-axis air floating feed module 72 includes a second driver 721, a second moving seat 722, a second air floating guide 723 and a second encoder, the second encoder is electrically connected to the second driver 721 to realize high precision operation of the second driver 721, the second air floating guide 723 and the second driver 721 are installed on the first moving seat 712, the second moving seat 722 is slidably installed on the second air floating guide 723 along the Z-axis direction of the working platform 1, the second moving seat 722 is also installed at the output end of the second driver 721, the second moving seat 722 is in threaded connection with the tool 6, the second driver 721 drives the second moving seat 722 to move along the Z-axis direction of the working platform 1 to drive the tool 6 to move along the Z-axis direction of the working platform 1, the second air floating guide 723 can effectively reduce the friction force applied when the second moving seat 722 moves, thereby improving the position accuracy of the second moving seat 722, thereby achieving a high accuracy of the feeding motion of the tool 6 in the Z-axis direction.

Referring to fig. 6 to 7, the fine adjustment module 3 includes a sliding bottom plate 32, a mounting plate 33, an X-axis micrometer fine adjuster 34 and a Y-axis micrometer fine adjuster 35, the sliding bottom plate 32 is slidably mounted on the air-floating rotary table 2 along the X-axis direction of the working platform 1, the X-axis micrometer fine adjuster 34 is mounted on the air-floating rotary table 2 in a threaded connection manner, the sliding bottom plate 32 is mounted at the output end of the X-axis micrometer fine adjuster 34, the position of the sliding bottom plate 32 is adjusted by the extension and contraction of the X-axis micrometer fine adjuster 34, the mounting plate 33 is slidably mounted on the sliding bottom plate 32 along the Y-axis direction of the working platform 1, the Y-axis micrometer fine adjuster 35 is mounted on the sliding bottom plate 32 in a threaded connection manner, the mounting plate 33 is mounted at the output end of the Y-axis micrometer fine adjuster 35, the position of the mounting plate 33 is adjusted by the extension and contraction of the Y-axis micrometer fine adjuster 35, and the, the cooling liquid containing box 4 and the clamp 11 are both installed on the installation plate 33 through the installation flange 31, in the process of tool setting and debugging, due to the arrangement of the X-axis micrometer vernier regulator 34 and the Y-axis micrometer vernier regulator 35, the position deviation between the tool 6 and a workpiece in the X-axis direction and the Y-axis direction can be accurately checked by using a micrometer gauge, the micrometer-level X-axis micrometer vernier regulator 34 and the micrometer-level Y-axis micrometer vernier regulator 35 are adjusted according to the deviation, and the requirement of fine machining positioning precision is met according to micrometer-level fine adjustment. Specifically, the sliding bottom plate 32 extends to the X-axis micrometer fine-tuning device 34 to form a connecting block 321, the connecting block 321 is a bump structure, the connecting block 321 is connected with the output end of the X-axis micrometer fine-tuning device 34, the connecting block 321 moves under the driving of the X-axis micrometer fine-tuning device 34 to drive the sliding bottom plate 32 to slide, the mounting plate 33 extends to the Y-axis micrometer fine-tuning device 35 to form a fixing block 331, the fixing block 331 is a bump structure, the fixing block 331 is connected with the output end of the Y-axis micrometer fine-tuning device 35, the fixing block 331 moves under the driving of the X-axis micrometer fine-tuning device 34 to drive the mounting plate 33 to slide, in other words, the X-axis micrometer fine-tuning device 34 and the Y-axis micrometer fine-tuning device 35 drive the mounting plate 33 to move together, and therefore.

Referring to fig. 2 and 5, the cooling liquid circulating device 5 includes a cooling liquid pump station 51, a liquid inlet pipe 52, a liquid return pipe 53 and a hydraulic pump 54, the cooling liquid is used for taking away heat, the cooling liquid pump station 51 is disposed at one side of the cabinet 9, the cooling liquid pump station 51 stores cooling liquid, the cooling liquid pump station 51 is used for supplying, recovering and filtering the cooling liquid, the cooling liquid is composed of purified water and antioxidant, a filtering device (not shown) is disposed in the cooling liquid pump station 51 to realize continuous recycling of the cooling liquid, the hydraulic pump 54 is disposed in the liquid inlet pipe 52, one end of the liquid inlet pipe 52 is communicated with the cooling liquid pump station 51, the other end of the liquid inlet pipe 52 extends into the cooling liquid containing box 4 and has a nozzle 56 for spraying the cooling liquid, the cooling liquid is pumped out from the cooling liquid pump station 51 by the hydraulic pump 54, and the cooling liquid is sprayed to the processing areas of the tool 6 and the workpiece by the, cooling is realized; one end of the liquid return pipe 53 is communicated with the bottom of the cooling liquid accommodating box 4, the other end of the liquid return pipe 53 is communicated with the cooling liquid pump station 51, the electromagnetic valve 55 is arranged at the liquid return pipe 53, when the liquid stored in the cooling liquid accommodating box 4 reaches a certain threshold value, the liquid return pipe 53 is communicated, the liquid in the cooling liquid accommodating box 4 is recycled to the cooling liquid pump station 51 through the liquid return pipe 53, and when the cooling liquid pump station works, the cooling liquid is continuously introduced into a processing area, so that stable cooling is realized (the flow path of the cooling liquid is in the direction indicated by an arrow B in fig. 5).

Referring to fig. 2 and 4, the cooling liquid accommodating box 4 includes a cooling liquid box 41, a first cover plate 42 and a second cover plate 43, a cooling liquid slot 411 for storing cooling liquid is formed in the cooling liquid box 41, the clamp 11 is located in the cooling liquid slot 411, the first cover plate 42 and the second cover plate 43 are both pivoted with the cooling liquid box 41, the first cover plate 42 and the second cover plate 43 cover the slot opening of the cooling liquid slot 411 together, the first cover plate 42 is provided with a through hole 421 into which the cutter 6 can extend, because the first cover plate 42 and the second cover plate 43 are pivoted with the cooling liquid box 41, the rotation of the first cover plate 42 and the second cover plate 43 is realized, when the cooling liquid box is in operation, the first cover plate 42 and the second cover plate 43 cover the cooling liquid slot 411, thereby effectively avoiding the influence of the external environment on the processing, and a producer can open the cooling liquid box 41 by using the rotation of the first cover plate 42 and the second cover plate 43, thereby observing the condition of the cooling liquid slot 411 or performing tool setting, simple structure and convenient use.

The working principle of the harmonic reducer gear finishing machine 100 of the present invention will be described in detail with reference to fig. 1 to 7, as follows:

installing a workpiece on a clamp 11, starting tool setting and debugging, adjusting the position of a mounting plate 33 by means of the expansion of an X-axis micrometer fine adjuster 34 and the expansion of a Y-axis micrometer fine adjuster 35, indirectly adjusting the relative position between the tool 6 and the workpiece to complete a tool setting process, pumping cooling liquid out of a cooling liquid pump station 51 by a hydraulic pump 54, continuously spraying the cooling liquid to the machining areas of the tool 6 and the workpiece by a nozzle 56 through a liquid inlet pipe 52, and cooling; the X-axis air-floating type feeding module 71 drives the cutter 6 to feed a tiny feeding amount along the X-axis direction of the working platform 1, then the Z-axis air-floating type feeding module 72 drives the cutter 6 to feed a tooth-shaped length stroke along the Z-axis direction of the working platform 1, so that a tooth is milled, the rotation of the air-floating rotary table 2 drives the workpiece on the clamp 11 to rotate, so that the workpiece rotates by the angle of one tooth, the fast switching of machining between the teeth is realized, the rest is done, until all the teeth are milled at high speed and high precision in the sequence, until all the machining tasks are finished, the cutter 6 is withdrawn, and the finished product is taken out.

By combining the fine adjustment module 3, the cooling liquid containing box 4, the cooling liquid circulating device 5, the air floatation rotary table 2 and the cutter moving mechanism 7 together, the fine adjustment module 3 is installed on the air floatation rotary table 2, the cooling liquid containing box 4 is installed at the output end of the fine adjustment module 3, the clamp 11 is internally arranged in the cooling liquid containing box 4, the relative position between the cutter 6 and a workpiece on the clamp 11 is adjusted by means of the movement of the fine adjustment module 3, so that the tool setting process before machining is realized, the fine adjustment module 3 can realize the accurate positioning and calibration of the workpiece, and further the machining accuracy is improved; the rotation of the air-floating rotating platform 2 drives the workpiece on the clamp 11 to rotate, so that the workpiece rotates by one tooth angle to realize the rapid switching of machining between teeth, and the high-precision circumferential separation of the number of teeth can be realized by utilizing the characteristic of small friction of the air-floating rotating platform 2, so that the machining accuracy is improved; the cutter 6 is arranged at the output end of the cutter moving mechanism 7, the cutter 6 moves under the driving of the cutter moving mechanism 7 to mill a workpiece, the cutter moving mechanism 7 can enable the cutter 6 to realize high-speed feeding, high dimensional accuracy and low surface roughness are realized, and the cutter 6 and a machining area are continuously cooled by matching with the upper cooling liquid circulating device 5, so that the thermal influence of the cutter 6 during milling is reduced, the machining condition of optical cold machining is met, and the service life and the precision of the cutter 6 can be effectively protected. To sum up, the utility model discloses a harmonic reducer ware gear optical machining machine tool 100 can realize a plurality of processes such as tool setting, milling, intertooth switch and cooling protection automatically to can improve manufacturing accuracy, improve manufacturing efficiency, antifriction and prolong life, improve the reliability and reduce cost.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, therefore, the invention is not limited thereto.

Claims

1. A harmonic reducer gear optical processing machine tool is characterized by comprising a working platform, a fine adjustment module, a cooling liquid containing box, a cooling liquid circulating device, a cutter, a fixture for clamping a workpiece, an air floatation rotating platform and a cutter moving mechanism which are arranged on the working platform, wherein the fine adjustment module is arranged on the air floatation rotating platform, the cooling liquid containing box and the fixture are both arranged at the output end of the fine adjustment module, the fixture is internally arranged in the cooling liquid containing box, the rotation of the air floatation rotating platform drives the workpiece on the fixture to rotate, the cutter is arranged at the output end of the cutter moving mechanism, the relative position between the cutter and the workpiece on the fixture is adjusted by the movement of the fine adjustment module, the cutter moves under the drive of the cutter moving mechanism to mill the workpiece on the fixture, and the cooling liquid circulating device is communicated with the cooling liquid accommodating box and is introduced with cooling liquid to cool the cutter.

2. The harmonic reducer gear optical processing machine tool according to claim 1, wherein the tool moving mechanism includes an X-axis air-floating type feed module and a Z-axis air-floating type feed module, the X-axis air-floating type feed module is mounted to the work platform, the Z-axis air-floating type feed module is mounted to an output end of the X-axis air-floating type feed module, the Z-axis air-floating type feed module moves in an X-axis direction of the work platform under the driving of the X-axis air-floating type feed module, the tool is mounted to an output end of the Z-axis air-floating type feed module, and the tool moves in a Z-axis direction of the work platform under the driving of the Z-axis air-floating type feed module.

3. The harmonic reducer gear optical machining tool according to claim 2, wherein the X-axis air-floating type feeding module comprises a first driver, a first movable seat, a first air-floating guide rail and a first encoder electrically connected to the first driver, the first air-floating guide rail and the first driver are mounted on the working platform, the first movable seat is slidably disposed on the first air-floating guide rail and is further mounted at an output end of the first driver, the first movable seat is connected to the Z-axis air-floating type feeding module, and the first driver drives the Z-axis air-floating type feeding module to move along an X-axis direction of the working platform by driving the first movable seat to move along the X-axis direction of the working platform.

4. The harmonic reducer gear optical machining tool of claim 3, wherein the Z-axis air-floating type feeding module comprises a second driver, a second movable seat, a second air-floating guide rail and a second encoder electrically connected to the second driver, the second air-floating guide rail and the second driver are mounted on the first movable seat, the second movable seat is slidably disposed on the second air-floating guide rail and is further mounted on an output end of the second driver, the second movable seat is connected to the tool, and the second driver drives the tool to move along the Z-axis direction of the working platform by driving the second movable seat to move along the Z-axis direction of the working platform.

5. The harmonic reducer gear optical machine tool of claim 1 wherein the tool is a diamond tool.

6. The harmonic reducer gear optical processing machine tool according to claim 1, wherein the fine adjustment module comprises a sliding bottom plate, a mounting plate, an X-axis micrometer fine adjuster and a Y-axis micrometer fine adjuster, the sliding bottom plate is slidably mounted on the air-floating rotary table along the X-axis direction of the working platform, the X-axis micrometer fine adjuster is mounted on the air-floating rotary table, the sliding bottom plate is mounted at the output end of the X-axis micrometer fine adjuster, the position of the sliding bottom plate is adjusted by the extension and contraction of the X-axis micrometer fine adjuster, the mounting plate is slidably mounted on the sliding bottom plate along the Y-axis direction of the working platform, the Y-axis micrometer fine adjuster is mounted on the sliding bottom plate, the mounting plate is mounted at the output end of the Y-axis micrometer fine adjuster, and the position of the mounting plate is adjusted by the extension and contraction of the Y-axis micrometer fine adjuster, the clamp is mounted on the mounting plate.

7. The harmonic reducer gear optical processing machine tool according to claim 1, wherein the coolant circulating device includes a coolant pump station, a liquid inlet pipe, a liquid return pipe, and a hydraulic pump disposed in the liquid inlet pipe, one end of the liquid inlet pipe communicates with the coolant pump station, the other end of the liquid inlet pipe extends into the coolant accommodating box and has a nozzle for spraying coolant, one end of the liquid return pipe communicates with the bottom of the coolant accommodating box, and the other end of the liquid return pipe communicates with the coolant pump station.

8. The harmonic reducer gear optical machining tool according to claim 1, wherein the coolant accommodating box includes a coolant box body, a first cover plate and a second cover plate, a coolant tank for storing coolant is formed in the coolant box body, the first cover plate and the second cover plate are both pivotally connected to the coolant box body, the first cover plate and the second cover plate cover a notch of the coolant tank, and the first cover plate is formed with a through hole into which the cutter can extend.

9. The harmonic reducer gear finishing machine of claim 1 wherein the work platform is a marble platform.

10. The harmonic reducer gear optical finishing machine of claim 1 further comprising an air bearing shock mount mounted to the bottom of the work platform.