CN210789393U

CN210789393U - Miniature five-axis numerical control milling machine with harmonic reducer and indexing turntable type structure

Info

Publication number: CN210789393U
Application number: CN201921906284.5U
Authority: CN
Inventors: 王平章; 姚光明; 刘渝
Original assignee: Xihua University
Current assignee: Xihua University
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-19
Anticipated expiration: 2029-11-07

Abstract

The utility model provides a miniature five-axis numerical control milling machine of harmonic speed reducer ware and graduation carousel formula structure, including X axle, Y axle, the three sharp axle of Z axle, utilize the A axle of servo motor drive harmonic speed reducer ware control to and two revolving axles of C axle of servo motor drive graduation carousel control. The revolving shaft adopts a harmonic reducer with the reduction ratio of 1:120, and the reduction ratio is 1:60, a numerical control indexing type turntable. The machine tool with the structure can be concentrated to be very small, and can be used as a practical prototype for college students and even numerical control enthusiasts to learn numerical control machine tools under the condition of meeting economy. The utility model discloses a core is two revolving axles that realize five-axis machine tool through harmonic speed reducer ware and graduation carousel formula's structure to reached the assembly volume of concentrated lathe, improved the precision of lathe pivot, other lathe of the same type have had very big improvement on the market, specifically reflect the cost of making, area, precision, life, aspects such as maintenance cost.

Description

Miniature five-axis numerical control milling machine with harmonic reducer and indexing turntable type structure

Technical Field

The utility model relates to a machine tool technology that mechanical design made and automatic professional field is relevant, specificly relates to a miniature five-axis numerically controlled fraise machine of harmonic speed reducer ware and graduation carousel formula structure.

Background

The numerically controlled machine tool is also called digital control machine tool, and is one kind of automatic machine tool with program control system. The numerical control technology, also called numerical control, is a technology for automatically controlling a certain working process by adopting a numerical control method, and mainly faces to industries such as machinery, dies, electronics, electricity, light industry and the like. Numerical control technology and numerical control equipment are important foundations of manufacturing industry modernization, and the development of the numerical control technology and the numerical control equipment directly influences the economic development and the comprehensive national strength of a country and is related to the strategic position of the country.

All industrially developed countries in the world take important measures to develop own numerical control technology and industry thereof. In China, the development of numerical control technology and equipment is highly emphasized, and great progress is made. However, many problems exist in the aspects of numerical control technology research and industrial development in China, and the situation is particularly prominent in the aspect of technical innovation capability. The numerical control machine tool is well known with higher adaptability of a processing object, high processing precision, high automation degree and high efficiency, and the five-axis numerical control machine tool is a symbolic product of the numerical control machine tool manufacturing technology and is a technology with the largest difficulty and the widest application range in the numerical control technology. The five-axis machining technology is internationally used as a national industrialization level mark. The machine tool integrates computer control, high-performance servo drive and precision machining technologies, is applied to efficient, precise and automatic machining of complex curved surfaces, and is used for generating machine tools with various configurations, such as an aerospace five-axis machining center, a high-precision five-axis mold machine tool and the like.

Disclosure of Invention

Through the contrast with prior art and condition, the utility model aims at providing a miniature five-axis numerically controlled fraise machine of harmonic reduction gear and graduation carousel formula structure.

According to the utility model provides a pair of miniature five-axis numerical control milling machine of harmonic speed reducer ware and graduation carousel formula structure, including x axle lathe bed main part, the guide rail, Y axle lathe bed main part, X axle servo motor, A axle servo motor fixing base, the harmonic speed reducer ware, cradle formula workstation, C axle servo motor, lathe electricity main shaft, Z axle servo motor, Z axle lathe bed main part, the shaft coupling, the slider, lathe electricity main shaft fixing base, ball , cradle formula workstation pivot supporting seat, the pivot, silk supporting seat, take the rotary table in T type groove, the rectangle workstation, the bolt, the nut is vice, numerical control graduation formula carousel, Y axle servo motor, the numerical control milling machine handle of a knife.

The guide rails are connected to the bed body of each shaft through bolts, and the sliding blocks are matched with the guide rails to form a moving pair.

The X-axis is integrally connected with the slide block and the ball screw through the rectangular workbench and the nut pair respectively.

Preferably, the Z-axis lathe body is connected with the Y-axis lathe body through bolts, and the electric spindle of the machine tool is fixed on the sliding block through bolts and a fixing seat of the electric spindle of the machine tool.

Preferably, the harmonic reducer is arranged in a fixed seat of the A-axis servo motor in a universal mode through a bearing, the input end of the harmonic reducer is connected with the A-axis servo motor through a coupler, and the input end of the harmonic reducer is fixedly connected with the cradle type workbench.

Preferably, the left end of the cradle type workbench is matched with the rotating shaft supporting seat of the cradle type workbench through a shaft pin to form a rotating pair, and the rotating shaft supporting seat of the cradle type workbench is fixed on the rectangular workbench through a bolt.

Preferably, the input end of the numerical control indexing type turntable is directly matched and connected with the C-axis servo and integrally fixed on the cradle type workbench through bolts, and the rotary workbench with the T-shaped groove is fixed on the numerical control indexing type turntable through bolts.

Preferably, the axes of the A axis, the C axis and the Y axis are two by two perpendicular to each other and intersect at a point.

Preferably, the reduction ratio of the harmonic reducer is 1: 120.

Preferably, the speed reduction ratio of the numerical control indexing type turntable is 1: 60.

Preferably, the pin holes on the multi-bit supporting seat of the rotating shaft of the cradle type workbench are provided with openings for automatically contracting and adjusting the matched shaft pins.

Preferably, the structure of the rotating shaft A is realized by a harmonic reducer, and the structure of the rotating shaft C is realized by a numerical control indexing type turntable.

Compared with the prior art, the utility model discloses following effect has:

1. the utility model discloses a harmonic speed reducer ware's speed reduction principle and high precision graduation realize the function of A axle, adopt the speed reduction principle and the high precision graduation of numerical control graduation formula carousel to realize the function of C axle, adopt these two kinds of improvements to improve the quality and the precision stability that the lathe was at the anti vibration of operation in-process and processed product greatly.

2. The utility model discloses because two rotation axes have adopted harmonic speed reducer ware and the numerical control graduation formula carousel of high accuracy for the A axle of lathe and the occupation space of C axle have obtained the concentration of height, have improved the compactedness of lathe structure, have reduced the quantity of other lathe common parts, have improved the precision of assembly, have improved the leakproofness and the life of lathe.

3. The utility model provides a structure type has reduced the manufacturing cost of this type of lathe, and comparatively practical, easily pushes away the factory and has great commercial value.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading the detailed description of the non-limiting embodiments with reference to the following drawings, in which fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7 are respectively a schematic structural view of the invention, viewed from different perspectives, in which fig. 1 is a schematic overall assembly view, fig. 2 is a front view, fig. 3 is a right side view, fig. 4 is a rear view, fig. 5 is a left side view, fig. 6 is a top view and fig. 7 is an isometric view.

The 1 is an X-axis lathe bed main body.

And 2 is a guide rail.

And 3 is a Y-axis lathe bed main body.

And 4, an X-axis servo motor.

And 5 is an A-axis servo motor.

And 6 is an A-axis servo motor fixing seat.

And 7, a harmonic reducer.

And 8 is a cradle type workbench.

And 9 is a C-axis servo motor.

10 is the electric main shaft of the machine tool.

And 11 is a Z-axis servo motor.

And 12 is a Z-axis lathe bed main body.

And 13 is a coupler.

And 14 is a sliding block.

15 is a machine tool electric spindle fixing seat.

16 is a ball screw.

17 is a cradle type worktable rotating shaft supporting seat.

And 18 is a shaft pin.

19 is a screw rod supporting seat.

20 is a rotary workbench with a T-shaped groove.

21 is a rectangular table.

22 are bolts.

And 23, a nut pair.

24 is a numerical control indexing type turntable.

And 25 is a Y-axis servo motor.

26 is a numerical control milling machine tool shank.

Detailed Description

The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that it is well within the skill of the art

The ordinary technicians can also make appropriate deformation and improvement without departing from the concept and main design structure of the wood utility model, and the deformation and the improvement belong to the protection scope of the wood utility model.

In this embodiment, the present invention provides a miniature five-axis numerical control milling machine with a harmonic reducer and indexing turntable structure, which comprises an X-axis bed body 1, a guide rail 2, a Y-axis bed body 3, an X-axis servomotor 4, an a-axis servomotor 5, an a-axis servomotor holder 6, a harmonic reducer 7, a cradle-type worktable 8, a C-axis servomotor 9, a machine tool electric spindle 10, a Z-axis servomotor 11, a Z-axis bed body 12, a coupler 13, a slider 14, a machine tool electric spindle holder 15, a ball screw 16, a cradle-type worktable pivot holder 17, a shaft pin 18, a screw holder 19, a rotary worktable 20 with a T-shaped groove, a rectangular worktable 21, a bolt 22, a nut pair 23, a numerical control indexing turntable 24, a Y-axis servomotor 25, and a numerical control milling machine tool shank 26, wherein the guide rail 2 is connected to the Y-axis bed body 1 through a bolt, the slide block 14 and the guide rail 2 are matched to form a moving pair, and the ball screw 16 is fixed on the Y-axis lathe bed main body through a screw support seat 19.

The X-axis whole body is respectively connected with the sliding block 14 and the ball screw 16 through a rectangular workbench 21 and a nut pair 23, the Z-axis lathe bed main body 12 is connected with the Y-axis lathe bed main body 3 through a bolt, and the electric spindle 10 of the machine tool is fixed on the sliding block 14 through a bolt and a machine tool electric spindle fixing seat 15.

The harmonic reducer 7 is arranged in the A-axis servo motor fixing seat 6 through being matched with a bearing, the input end of the harmonic reducer 7 is connected with the A-axis servo motor 5 through a coupler 13, the input end of the harmonic reducer 7 is fixedly connected with the cradle type workbench 8, the left end of the cradle type workbench 8 is matched with a cradle type workbench rotating shaft supporting seat 17 through a shaft pin 18 to form a revolute pair, the cradle type workbench rotating shaft supporting seat 17 is fixed on a rectangular workbench 21 through a bolt, the input end of a numerical control indexing type turntable 24 is directly matched and connected with the C-axis servo motor 9 and integrally fixed on the cradle type workbench 8 through a bolt, and a rotary workbench 20 with a T-shaped groove is fixed on the numerical control indexing type turntable 24 through a bolt.

When needs use the utility model provides a pair of during miniature five-axis numerically controlled fraise machine of harmonic reduction gear and graduation carousel formula structure, only need purchase above-mentioned spare part from the market, size customization according to concrete needs the utility model provides a pair of miniature five-axis numerically controlled fraise machine of harmonic reduction gear and graduation carousel formula structure can.

The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the above-described fixed embodiments, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the essence of the present invention.

Claims

1. A miniature five-axis numerical control milling machine with a harmonic reducer and indexing turntable type structure is characterized by comprising an X-axis machine body (1), a guide rail (2), a Y-axis machine body (3), an X-axis servo motor (4), an A-axis servo motor (5), an A-axis servo motor fixing seat (6), a harmonic reducer (7), a cradle type workbench (8), a C-axis servo motor (9), a machine tool electric spindle (10), a Z-axis servo motor (11), a Z-axis machine body (12), a coupler (13), a sliding block (14), a machine tool electric spindle fixing seat (15), a ball screw (16), a cradle type workbench rotating shaft supporting seat (17), a shaft pin (18), a screw rod supporting seat (19), a rotary type workbench (20) with a T-shaped groove, a rectangular workbench (21), a bolt (22), a nut pair (23) and a numerical control indexing turntable (24), a Y-axis servo motor (25) and a numerical control milling machine tool holder (26), wherein the guide rail (2) is connected on the Y-axis bed body (3) through a bolt, the slide block (14) and the guide rail (2) are matched to form a moving pair, the ball screw (16) is fixed on the Y-axis bed body through a screw support seat (19), the whole X-axis is respectively connected with the slide block (14) and the ball screw (16) through a rectangular workbench (21) and a nut pair (23), the Z-axis bed body (12) is connected with the Y-axis bed body (3) through a bolt, a machine tool electric main shaft (10) is fixed on the slide block (14) through a bolt and a machine tool electric main shaft fixing seat (15), the harmonic reducer (7) is arranged in the A-axis servo motor fixing seat (6) through a bearing, and the input end of the harmonic reducer (7) is connected with the A-axis servo motor (5) through a, the input end of the harmonic reducer (7) is fixedly connected with a cradle type workbench (8), the left end of the cradle type workbench (8) is matched with a cradle type workbench rotating shaft supporting seat (17) through a shaft pin (18) to form a revolute pair, the cradle type workbench rotating shaft supporting seat (17) is fixed on a rectangular workbench (21) through a bolt, the input end of a numerical control indexing type turntable (24) is directly matched and connected with a C-axis servo motor (9) in a matching mode and is integrally fixed on the cradle type workbench (8) through a bolt, and a rotary workbench (20) with a T-shaped groove is fixed on the numerical control indexing type turntable (24) through a bolt.

2. The miniature five-axis numerical control milling machine with the harmonic reducer and the indexing turntable type structure as claimed in claim 1, wherein the axes of the A axis, the C axis and the Y axis are perpendicular to each other in pairs and intersect at a point.

3. The miniature five-axis numerical control milling machine with the harmonic reducer and the indexing turntable type structure as claimed in claim 1, wherein the reduction ratio of the harmonic reducer (7) is 1: 120.

4. The miniature five-axis numerical control milling machine with the harmonic reducer and the indexing rotary table type structure as claimed in claim 1, wherein the reduction ratio of the numerical control indexing rotary table (24) is 1: 60.

5. The miniature five-axis numerically controlled milling machine with the harmonic reducer and the indexing turntable type structure as claimed in claim 1, wherein the pin hole on the rotating shaft support seat (17) of the cradle type workbench is provided with an opening for automatically contracting and adjusting the shaft pin (18) matched with the opening.

6. The miniature five-axis numerical control milling machine with the harmonic reducer and indexing rotary table type structure as claimed in claim 1, wherein the structure of the rotating shaft A shaft is realized by adopting a harmonic reducer (7), and the structure of the rotating shaft C shaft is realized by adopting a numerical control indexing rotary table (24).