CN114770194B - Equipment and method for mirror image milling of grid features on outer side of large rotary conical thin-walled part - Google Patents

Abstract

The invention discloses a large-scale rotary conical thin-wall part outside grid characteristic mirror image milling device and a method, wherein the large-scale rotary conical thin-wall part outside grid characteristic mirror image milling device comprises: an annular base; the annular rotary table is rotatably arranged on the annular base; the machining positioning assembly comprises a machining base, a machining radial movable platform, a machining inclined movable platform and a machining parallel positioning device; the processing device is arranged on the processing parallel positioning device; the support positioning assembly comprises a support base, a support inclined movable platform and a support parallel positioning device; the support piece is arranged on the support parallel positioning device. The large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment has the advantages of being strong in adaptability, high in operation flexibility, high in processing precision and the like.

Description

Mirror milling processing equipment and method for large-scale rotary conical thin-walled parts with external grid features

technical field

The present invention relates to the technical field of large-scale spacecraft parts processing, in particular, to a mirror image milling processing equipment for the outer grid features of large rotary conical thin-walled parts and the mirror image of the outer grid features of the large rotary conical thin-walled parts Control method of milling equipment.

Background technique

The high-end manufacturing industry represented by aviation and aerospace embodies the core competitiveness and major needs of national science and technology. Large-scale rotary conical thin-walled structural parts are the end covers or bottom covers of launch vehicle fuel tanks and spacecraft cabins. These parts have the characteristics of large size, weak rigidity, and complex processing features. , quality consistency, processing efficiency and precision, etc. have posed severe challenges to the performance of basic processing equipment.

The processing of large-scale rotary tapered thin-walled parts in the related technology is processed by large-scale special-purpose machine tools, and resource conflicts occur from time to time, which seriously affects the development progress of model tasks. Deformation occurs, and the processing accuracy is difficult to guarantee.

Contents of the invention

The present invention aims to solve at least one of the technical problems existing in the prior art. For this reason, the present invention proposes a mirror image milling processing equipment for the outer grid features of large-scale rotary tapered thin-walled parts, which has strong adaptability and high operating flexibility , High processing precision and so on.

The invention also proposes a control method for the mirror image milling processing equipment for the outer grid feature of the large rotary conical thin-walled part.

In order to achieve the above purpose, according to the embodiment of the first aspect of the present invention, a mirror image milling equipment for the outer grid feature of the large-scale rotary conical thin-walled part is proposed, and the outer grid feature of the large rotary conical thin-walled part is mirror image The milling processing equipment includes: an annular base; an annular turntable, the annular turntable is rotatably arranged on the annular base, the annular turntable is suitable for setting parts to be processed and the annular turntable is suitable for driving the to-be-processed The processing parts rotate together; the processing positioning assembly includes a processing base, a processing radial moving platform, a processing inclined platform, a processing inclined moving platform and a processing parallel positioning device, and the processing base is arranged on the circular turntable The radial outer side of the processing base is provided with a processing radial track oriented radially along the annular turntable, the processing radial moving platform is slidably arranged on the processing radial track, and the processing The tilting platform is installed on the radially moving platform for processing, and the tilting track for processing is provided on the tilting platform along the radial direction of the annular turntable from outside to inside, and the tilting moving platform for processing is slidably arranged on On the inclined processing track, the processing parallel positioning device is arranged on the processing inclined moving platform; the processing device, the processing device is installed on the processing parallel positioning device; the supporting positioning assembly, the supporting positioning assembly includes Supporting base, supporting tilting moving platform and supporting parallel positioning device, the supporting base is arranged on the radial inner side of the circular turntable, and the supporting base is provided with an upward slope along the radial direction of the circular turntable from outside to inside. Extended supporting inclined track, the supporting inclined moving platform is slidably arranged on the supporting inclined moving platform, the supporting parallel positioning device is installed on the supporting inclined moving platform; supporting member, the supporting member is installed on the supporting inclined moving platform The above-mentioned supporting parallel positioning device.

According to the embodiment of the present invention, the mirror image milling processing equipment for the outer mesh feature of large-scale rotary tapered thin-walled parts has the advantages of strong adaptability, high operation flexibility, and high processing accuracy.

In addition, according to the above-mentioned embodiment of the present invention, the mirror image milling equipment for the outer grid feature of large-scale rotary conical thin-walled parts can also have the following additional technical features:

According to an embodiment of the present invention, the processing positioning assembly further includes a processing radial driving device for driving the processing radial moving platform, a processing tilting driving device for driving the processing inclined moving platform, the support The positioning assembly also includes a supporting and tilting driving device for driving the supporting and tilting moving platform, and a turntable driving device for driving the circular turntable is provided on the circular base.

According to an embodiment of the present invention, the machining radial driving device includes a machining radial driving screw and a machining radial driving motor, the machining radial driving motor is installed on the machining base, and the machining radial The driving screw is in transmission connection with the machining radial drive motor, and the machining radial driving screw is threadedly matched with the nut of the machining radial moving platform; the machining tilt driving device includes a machining tilt driving screw and a machining tilt Drive motor, the processing tilt driving motor is installed on the processing tilt platform, the processing tilt driving screw is in transmission connection with the processing tilt driving motor, the processing tilt driving screw is connected with the processing tilt moving platform The nuts are screwed together; the support and tilt drive device includes a support and tilt drive lead screw and a support and tilt drive motor, the support and tilt drive motor is installed on the support base, and the support and tilt drive screw is connected with the support and tilt drive Motor transmission connection, the supporting tilting driving lead screw is threadedly matched with the nut supporting the tilting moving platform; the turntable driving device includes a turntable motor, a gear and a ring gear, and the ring gear is arranged on the annular base, The turntable motor is arranged on the annular turntable, and the gear is in transmission connection with the turntable motor and meshes with the ring gear.

According to an embodiment of the present invention, the processing parallel positioning device includes a processing parallel positioning bracket and a plurality of processing branch chains, the processing branch chains are respectively connected to the processing parallel positioning bracket and the processing device, and the processing parallel positioning The positioning bracket is connected with the processing inclined moving platform; the supporting parallel positioning device includes a supporting parallel positioning bracket and a plurality of supporting branch chains, and the supporting branch chains are respectively connected with the supporting parallel positioning bracket and the support member. The supporting parallel positioning bracket is connected with the supporting inclined moving platform.

According to an embodiment of the present invention, the processing branch chain includes a processing hollow motor and a processing ball screw, the processing hollow motor is connected with the processing ball screw and drives the processing through the rotation of the processing hollow motor. The ball screw rotates along the central axis and moves axially, the processing hollow motor is connected to the processing parallel positioning bracket through the first processing hinge, and the processing ball screw is connected to the processing device through the second processing hinge, There are five processing branches, four of the five second processing hinges are double-rotation pair hinges and one is a single-rotation pair hinge, and all five of the first processing hinges are double-rotation pair hinges; or The processing branch chain includes a processing branch chain track, a processing branch chain slider, a processing branch chain connecting rod and a processing slider motor, the processing branch chain track is connected with the processing parallel positioning bracket, and the processing branch chain slider It is slidably arranged on the track of the processing branch chain, the motor of the processing slider is in transmission connection with the slider of the processing branch chain, and one end of the connecting rod of the processing branch chain is connected to the processing branch chain through the first processing hinge. The slider is connected and the other end is connected with the processing device through a second processing hinge; or the processing branch chain includes a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, and the processing telescopic rod is movably arranged in the axial direction In the processing electric cylinder, the processing telescopic motor is arranged on the processing electric cylinder and connected to the processing telescopic rod, and the processing electric cylinder is connected to the processing parallel positioning bracket through the first processing hinge, so The processing telescopic rod is connected with the processing device through a second processing hinge.

According to an embodiment of the present invention, the support branch chain includes a support hollow motor and a support ball screw, and the support hollow motor is connected to the support ball screw and drives the support through the rotation of the support hollow motor. The ball screw rotates along the central axis and moves axially, the supporting hollow motor is connected with the supporting parallel positioning bracket through the first supporting hinge, and the supporting ball screw is connected with the supporting member through the second supporting hinge, There are three support branches and the first support hinges are single-rotation joint hinges and the second support hinges are double-rotation joint hinges, or there are five support branches and the five second support hinges are Four of the supporting hinges are double-rotating pair hinges and one is a single-rotating pair hinge, and the five first supporting hinges are all double-rotating pair hinges; or the supporting branch chains include supporting branch chain tracks, supporting branch chain sliding Block, support branch chain connecting rod and support slider motor, the support branch chain track is connected with the support parallel positioning bracket, the support branch chain slider is slidably arranged on the support branch chain track, the The support slider motor is in transmission connection with the support branch chain slider, one end of the support branch chain link is connected to the support branch chain slider through the first support hinge and the other end is connected to the support branch chain slider through the second support hinge. The supporting branch chains are three and the three first supporting hinges are all single-rotation joint hinges and the three second supporting hinges are all ball hinges; or the supporting branch chains include supporting electric cylinders , a supporting telescopic rod and a supporting telescopic motor, the supporting telescopic rod is movably arranged in the supporting electric cylinder along the axial direction, and the supporting telescopic motor is arranged on the supporting electric cylinder and is transmitted with the supporting telescopic rod The supporting electric cylinder is connected with the supporting parallel positioning bracket through the first supporting hinge, and the supporting telescopic rod is connected with the supporting member through the second supporting hinge.

According to an embodiment of the present invention, the support tilting moving platform is provided with a supporting chord-direction track extending along the chord direction of the circular turntable, and a supporting chord-direction moving platform is slidably fitted on the support chord-direction track, The supporting parallel positioning device is arranged on the supporting chord-direction moving platform, and the supporting chord-direction driving device for driving the supporting chord-direction moving platform is provided on the supporting inclined moving platform, and the supporting chord-direction driving device includes A supporting chord-direction driving motor and a supporting chord-direction driving screw, the supporting chord-direction driving motor is arranged on the support tilting moving platform, and the supporting chord-direction driving screw is transmission-connected with the supporting chord-direction driving motor, so The supporting chord-direction driving lead screw is threadedly engaged with the nut supporting the chord-direction moving platform.

According to an embodiment of the present invention, the processing vertical moving platform is provided with a processing vertical track oriented in the vertical direction, and the processing vertical moving platform is slidably fitted on the processing vertical track, and the processing The inclined platform is installed on the processing vertical moving platform, and the processing radial moving platform is provided with a processing vertical driving device for driving the processing vertical moving platform, and the processing vertical driving device includes a processing vertical a driving motor and a machining vertical driving screw, the machining vertical driving motor is arranged on the machining radial moving platform, the machining vertical driving screw is connected in transmission with the machining vertical driving motor, and the machining The vertical driving lead screw is threadedly engaged with the nut of the processing vertical moving platform.

According to an embodiment of the present invention, the processing inclined platform is reversibly arranged on the processing vertical moving platform and the rotation axis is perpendicular to the radial direction of the circular turntable, and the processing vertical moving platform is provided with an overturning drive device for driving the tilting of the processing inclined platform, the overturning drive device includes an overturning drive motor, an overturning drive screw and an overturning drive nut, the overturning drive motor is reversibly arranged on the processing vertical moving platform, The turning driving screw is connected to the turning driving motor and threadedly engaged with the turning driving nut, and the turning driving nut is reversibly arranged on the inclined processing platform.

According to the embodiment of the second aspect of the present invention, a method for controlling the mirror image milling processing equipment for the outer grid feature of the large rotary conical thin-walled part according to the embodiment of the first aspect of the present invention is proposed, including the following steps:

S1. Install the part to be processed on the circular turntable;

S2. Drive the processing device through the processing positioning component, and position the processing device at the grid feature to be processed of the part to be processed;

S3. Drive the support member through the support positioning assembly, and position the support member at a position coincident with the axis of the processing device;

S4. Drive the processing device through the processing parallel positioning device to complete the processing of one grid feature, and drive the support member through the support positioning assembly to always adhere to the inner surface of the part to be processed and keep the The axis of the support member coincides with the axis of the processing device;

S5. Drive the processing device to withdraw the knife through the processing positioning component, and drive the support member to withdraw the knife through the support positioning component;

S6. Drive the processing device to move along the generatrix of the part to be processed by driving the tilting platform for processing, and position the processing device at another grid feature in the direction of the generatrix of the part to be processed;

S7. Steps S4-S6 are repeated until the processing of all grid features in the direction of the generatrix is completed;

S8. Rotate the annular turntable, and repeat steps S4-S6 until the processing of all grid features on the next bus is completed;

S9. Step S8 is repeated until the processing of all grid features on the part to be processed is completed.

According to the control method of the mirror image milling equipment for the grid feature of the outer side of the large rotary conical thin-walled part according to the embodiment of the present invention, by using the outer side of the large rotary conical thin-walled part according to the embodiment of the first aspect of the present invention Grid feature mirror milling processing equipment has the advantages of strong adaptability, high operating flexibility, and high processing accuracy.

Additional aspects and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and understandable from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic diagram of the structure of the mirror image milling equipment for the outer grid feature of a large rotary conical thin-walled part according to a specific embodiment of the present invention.

Fig. 2 is a schematic diagram of the structure of the mirror image milling equipment for the outer mesh feature of a large rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 3 is a structural schematic diagram of the processing positioning assembly of the mirror image milling processing equipment for the outer grid feature of a large rotary conical thin-walled part according to a specific embodiment of the present invention.

Fig. 4 is a schematic structural view of the processing positioning assembly of the mirror image milling processing equipment for the outer grid feature of a large rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 5 is a structural schematic diagram of the processing parallel positioning device of the processing positioning assembly of the mirror image milling processing equipment for the external grid feature of a large rotary conical thin-walled part according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of the processing branch chain of the processing parallel positioning device of the processing positioning assembly of the mirror milling processing equipment for the external grid feature of the large rotary conical thin-walled part according to the embodiment of the present invention.

Fig. 7 is a structural schematic diagram of the ring base and the ring turntable of the mirror image milling equipment for the outer grid feature of a large rotary conical thin-walled part according to an embodiment of the present invention.

Fig. 8 is a structural schematic diagram of the support and positioning assembly of the mirror image milling equipment for the outer grid feature of a large rotary conical thin-walled part according to a specific embodiment of the present invention.

Fig. 9 is a structural schematic diagram of the support and positioning assembly of the mirror image milling equipment for the outer grid feature of a large-scale rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 10 is a structural schematic diagram of the support and positioning assembly of the mirror image milling equipment for the outer grid feature of a large rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 11 is a structural schematic diagram of the supporting parallel positioning device of the supporting positioning assembly of the mirror milling processing equipment for the external mesh feature of the large rotary conical thin-walled part according to a specific embodiment of the present invention.

Fig. 12 is a structural schematic diagram of the supporting parallel positioning device of the supporting and positioning assembly of the mirror image milling equipment for the external grid feature of a large rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 13 is a structural schematic diagram of the support parallel positioning device of the support positioning assembly of the mirror image milling processing equipment for the outer mesh feature of a large rotary conical thin-walled part according to another specific embodiment of the present invention.

Fig. 14 is a flow chart of the control method of the mirror image milling equipment for the outer grid feature of the large rotary conical thin-walled part according to the embodiment of the present invention.

Reference signs: large-scale rotary conical thin-walled parts with outer grid features mirror image milling processing equipment 1, ring base 100, ring gear 110, ring turntable 200, turntable motor 210, gear 220, processing positioning assembly 300, processing base 310, machining radial track 311, machining radial driving motor 312, machining radial driving screw 313, machining radial moving platform 320, machining vertical track 321, machining vertical driving motor 322, machining vertical driving screw 323 , processing inclined platform 330, processing inclined track 331, processing inclined driving motor 332, processing inclined moving platform 340, processing parallel positioning device 350, processing parallel positioning bracket 351, processing branch chain 352, processing hollow motor 3521, processing ball screw 3522 , the first processing hinge 353, the second processing hinge 354, the processing vertical moving platform 360, the turning drive motor 371, the turning driving screw 372, the processing device 400, the supporting positioning assembly 500, the supporting base 510, the supporting inclined rail 511, Supporting inclined moving platform 520, supporting chord-direction track 521, supporting chord-direction moving platform 530, supporting parallel positioning device 540, supporting parallel positioning bracket 541, supporting branch chain 542, supporting branch chain track 5421, supporting branch chain slider 5422, supporting Branch chain link 5423 , supporting hollow motor 5424 , supporting ball screw 5425 , first supporting hinge 543 , second supporting hinge 544 , supporting member 600 , supporting member hinge 610 , and part 2 to be processed.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship indicated by "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device or element Must be in a particular orientation, be constructed in a particular orientation, and operate in a particular orientation, and therefore should not be construed as limiting the invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention in specific situations.

The following describes the mirror image milling equipment 1 for the outer grid feature of a large rotary conical thin-walled part according to an embodiment of the present invention with reference to the accompanying drawings.

As shown in FIGS. 1-14 , the mirror image milling processing equipment 1 for large-scale rotary tapered thin-walled parts with outer grid features according to the embodiment of the present invention includes an annular base 100 , an annular turntable 200 , a processing positioning assembly 300 , and a processing device 400 , the support positioning assembly 500 and the support member 600 .

The ring turret 200 is rotatably arranged on the ring base 100 , the ring turret 200 is suitable for setting the parts 2 to be processed and the ring turret 200 is suitable for driving the parts 2 to rotate together.

The processing positioning assembly 300 includes a processing base 310, a processing radial moving platform 320, a processing inclined platform 330, a processing inclined moving platform 340 and a processing parallel positioning device 350. The seat 310 is provided with a processing radial track 311 oriented radially along the annular turntable 200, the processing radial moving platform 320 is slidably arranged on the processing radial track 311, and the processing inclined platform 330 is installed on the processing radial moving platform 320 The processing inclined platform 330 is provided with a processing inclined track 331 extending from the outside to the inside along the radial direction of the annular turntable 200. The processing inclined moving platform 340 is slidably arranged on the processing inclined track 331, and the processing parallel positioning device 350 is arranged on the processing Tilt moving platform 340.

The processing device 400 is installed on the processing parallel positioning device 350 .

The support and positioning assembly 500 includes a support base 510, a support tilting moving platform 520 and a support parallel positioning device 540. The support base 510 is arranged on the radial inner side of the ring turntable 200. The support tilting track 511 is extended from outside to inside, the support tilting moving platform 520 is slidably arranged on the supporting tilting track 511 , and the supporting parallel positioning device 540 is installed on the supporting tilting moving platform 520 .

The supporting member 600 is installed on the supporting parallel positioning device 540 .

According to the embodiment of the present invention, the mirror image milling processing equipment 1 for the outer grid feature of large-scale rotary tapered thin-walled parts can drive the parts 2 to be processed to rotate through the rotation of the ring-shaped turntable 200 on the ring-shaped base 100, so that the parts to be processed can be rotated. The position of the generatrix that needs to be processed for part 2 is adjusted to the processing device 400 . Through the radial movement of the machining radial movable platform 320, the position of the machining device 400 in the radial direction of the workpiece 2 to be machined can be adjusted. The position of the processing device 400 on the generatrix of the part 2 to be processed can be adjusted through the tilting movement of the processing inclined moving platform 340 . Fine position adjustment of the processing device 400 in multiple degrees of freedom can be realized by processing the parallel positioning device 350 . By supporting the tilting movement of the tilting platform 520, the position of the support member 600 on the generatrix of the part 2 to be processed can be adjusted. Fine adjustment of the support member 600 in multiple degrees of freedom can be realized by supporting the parallel positioning device 540 .

Therefore, during the processing of the processing device 400, the axis of the support 600 can be kept coincident with the axis of the processing device 400, so that the support 600 can be used to support the processing position of the processing device 400, and avoid thin-walled parts to be processed. 2 deformed.

Moreover, by using a multi-axis parallel positioning device to realize the positioning of the processing device 400 and the support member 600, compared with the processing method in the related art, the mirror image milling processing equipment 1 for the outer grid feature of the large rotary tapered thin-walled part has a higher The adaptability of the working space and environment improves the flexibility of processing operations, facilitates the overall in-situ processing of large and complex components, facilitates the processing accuracy, and alleviates resource conflicts.

In addition, by setting the annular base 100 and the annular turntable 200, it can be suitable for setting rotary parts on the annular turntable 200, so that the mirror image milling processing equipment 1 for the outer grid feature of large rotary conical thin-walled parts can be applied to the rotary In addition, the parts to be processed can be driven by the rotation of the ring turntable 200, and the parts can be quickly rotated to the position to be processed without moving the processing positioning device 300 and the support positioning device 500 as a whole, which is convenient for improving large-scale rotary tapered thin The processing efficiency of the mirror image milling processing equipment 1 for the grid feature on the outside of the wall.

Therefore, according to the embodiment of the present invention, the mirror image milling processing equipment 1 for the outer grid feature of large-scale rotary conical thin-walled parts has the advantages of strong adaptability, high operating flexibility, and high processing accuracy.

The following describes the mirror image milling equipment 1 for the outer mesh feature of a large rotary conical thin-walled part according to a specific embodiment of the present invention with reference to the accompanying drawings.

In some specific embodiments of the present invention, as shown in FIGS. 1-14 , according to the embodiment of the present invention, the mirror image milling processing equipment 1 for the outer grid feature of a large-scale rotary tapered thin-walled part includes an annular base 100 and an annular turntable. 200 , a processing positioning assembly 300 , a processing device 400 , a supporting positioning assembly 500 and a support 600 .

Specifically, as shown in FIG. 1-FIG. 4 and FIG. 7, the processing positioning assembly 300 also includes a processing radial driving device for driving the processing radial moving platform 320, and a processing tilting driving device for driving the processing inclined moving platform 340. , the support and positioning assembly 500 further includes a support and tilt driving device for driving the support and tilt moving platform 520 , and a turntable driving device for driving the annular turntable 200 is provided on the ring base 100 . This can facilitate the driving of the radial moving platform 320, the inclined moving platform 340, the supporting inclined moving platform 520 and the circular turntable 200, and facilitate the precise control of the positions of the processing device 400, the support 600 and the parts 2 to be processed.

More specifically, as shown in Figures 1-4, the machining radial driving device includes a machining radial driving screw 313 and a machining radial driving motor 312, and the machining radial driving motor 312 is installed on the machining base 310 , the machining radial driving screw 313 is in transmission connection with the machining radial driving motor 312 , and the machining radial driving screw 313 is threadedly matched with the nut thread of the machining radial moving platform 320 .

The processing tilt driving device includes a processing tilt driving screw and a processing tilt driving motor 332, and the processing tilt driving motor 332 is installed on the processing tilt platform 330, and the processing tilt driving screw is connected to the processing tilt driving motor 332. The machining inclined driving screw is threadedly matched with the nut thread of the machining inclined moving platform 340 .

The support and tilt drive device includes a support and tilt drive screw and a support and tilt drive motor, the support and tilt drive motor is installed on the support base 510, and the support and tilt drive screw is in transmission connection with the support and tilt drive motor, so The supporting tilting driving lead screw is threadedly engaged with the nut supporting the tilting moving platform 520.

In this way, the rotation of the motor-driven lead screw can be converted into the movement of the movable platform in the axial direction of the lead screw through the threaded cooperation between the lead screw and the nut of the moving platform, thereby realizing the machining of the radial moving platform 320, the processing of the tilting moving platform 340 and the support. The drive of tilting moving platform 520.

As shown in Figure 7, described turntable driving device comprises turntable motor 210, gear 220 and ring gear 110, and ring gear 110 is arranged on the annular base 100, and turntable motor 210 is located on the ring turntable 200, and gear 220 and turntable motor 210 It is transmission-connected and meshed with the ring gear 110 . Specifically, there may be a plurality of turntable motors 210 arranged at intervals along the circumferential direction of the ring-shaped turntable 200 , and there may be a plurality of gears 220 which are in one-to-one transmission connection with the plurality of turntable motors 210 . In this way, the rotation of the gear 220 driven by the motor can be converted into the rotation of the ring gear 110 through the meshing of the gear 220 and the ring gear 110 , thereby realizing the driving of the ring turntable 200 .

Advantageously, as shown in Figures 1-6, the processing parallel positioning device 350 includes a processing parallel positioning bracket 351 and a plurality of processing branch chains 352, and the processing branch chains 352 are respectively connected with the processing parallel positioning bracket 351 and the processing device 400, and the processing parallel positioning The positioning bracket 351 is connected with the processing inclined moving platform 340 . Specifically, the processing parallel positioning device 350 is a five-axis parallel positioning device. In other words, the processing branches 352 are five. In order to ensure the positioning flexibility and accuracy of the processing device 400 .

As shown in Figures 8-13, the supporting parallel positioning device 540 includes a supporting parallel positioning bracket 541 and a plurality of supporting branch chains 542, the supporting branch chains 542 are respectively connected with the supporting parallel positioning bracket 541 and the support member 600, and the supporting parallel positioning bracket 541 It is connected with the supporting inclined moving platform 520. Specifically, the supporting parallel positioning device 540 is a three-axis parallel positioning device or a five-axis parallel positioning device. In other words, there are three or five supporting branch chains 542 .

In this way, a bracket can be used to connect multiple branch chains, which facilitates the multi-axis parallel positioning of the processing device 400 and the support member 600 .

In some embodiments, as shown in FIGS. 1-6 , the processing branch chain 352 includes a processing hollow motor 3521 and a processing ball screw 3522, and the processing hollow motor 3521 is connected to the processing ball screw 3522 and passes through the processing hollow motor 3521. The rotation drives the processing ball screw 3522 to rotate along the central axis and move axially, the processing hollow motor 3521 is connected to the processing parallel positioning bracket 351 through the first processing hinge 353, and the processing ball screw 3522 is connected to the processing device 400 through the second processing hinge 354 connected.

In some other embodiments, the processing branch chain includes a processing branch chain track, a processing branch chain slider, a processing branch chain connecting rod and a processing slider motor, and the processing branch chain track is connected with the processing parallel positioning bracket, The processing branch chain slider is slidably arranged on the processing branch chain track, the processing slider motor is in transmission connection with the processing branch chain slider, and one end of the processing branch chain connecting rod passes through the first processing branch chain. The hinge is connected with the processing branch chain slider and the other end is connected with the processing device through the second processing hinge. Specifically, the processing slider motor may be connected to the processing branch chain slider through a screw threaded with the processing branch chain slider.

In some other embodiments, the processing branch chain includes a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, the processing telescopic rod is movably arranged in the processing electric cylinder along the axial direction, and the processing telescopic motor It is installed on the processing electric cylinder and is connected with the transmission of the processing telescopic rod. The processing electric cylinder is connected to the processing parallel positioning bracket through the first processing hinge, and the processing telescopic rod is connected to the processing parallel positioning bracket through the second processing hinge. The processing unit is connected.

In this way, multi-axis driving of the processing device 400 can be realized.

Specifically, the first processing hinge 353 and the second processing hinge 354 can choose a single-rotation pair hinge, a double-rotation pair hinge or a ball hinge according to actual needs.

Here, it is preferred that the processing parallel positioning device 350 includes a processing parallel positioning bracket 351 and five processing branch chains 352 , and the processing branch chains 352 include processing a ball screw 3522 and a processing hollow motor 3521 . Four of the five second processing hinges 354 are double-rotation pair hinges and one is a single-rotation pair hinge, and the five first processing hinges 353 are all double-rotation pair hinges.

In some embodiments, as shown in FIGS. 9 , 10 , 12 and 13 , the supporting branch chain 542 includes a supporting hollow motor 5424 and a supporting ball screw 5425 , and the supporting hollow motor 5424 is in drive connection with the supporting ball screw 5425 . The rotation of the supporting hollow motor 5424 drives the supporting ball screw 5425 to rotate along the central axis and move axially. The hinge 544 is connected to the support 600 . Specifically, in some embodiments, as shown in FIG. 9 and FIG. 12 , there may be three supporting branch chains 542, the first supporting hinges 543 are all single-rotation pair hinges, and the second supporting hinges 544 are all double-rotating pair hinges. Hinge. In some other embodiments, as shown in FIGS. 10 and 13 , there may be five supporting branch chains 542, the five first supporting hinges 543 are all double-rotating joint hinges, and four of the five second supporting hinges 544 are Double swivel joint hinge and one single swivel joint hinge.

In some other embodiments, as shown in Fig. 8 and Fig. 11, the support branch chain 542 includes a support branch chain track 5421, a support branch chain slider 5422, a support branch chain connecting rod 5423 and a support slider motor, and the support branch chain track 5421 is connected with the support parallel positioning bracket 541, the support branch chain slider 5422 is slidably arranged on the support branch chain track 5421, the support slider motor is connected with the support branch chain slider 5422 in transmission, and the support branch chain connecting rod 5423 One end is connected to the support branch chain slider 5422 through the first support hinge 543 and the other end is connected to the support member 600 through the second support hinge 544 . Specifically, the motor of the supporting slider can be transmission-connected with the supporting branched slider 5422 through a lead screw threadedly engaged with the supporting branched slider 5422 . Specifically, there are three supporting branch chains 542 , the three first supporting hinges 543 are all single-rotation joint hinges and the three second supporting hinges 544 are all ball hinges.

In some other embodiments, the support branch chain includes a support electric cylinder, a support telescopic rod and a support telescopic motor, the support telescopic rod is movably arranged in the support electric cylinder along the axial direction, and the support telescopic motor It is installed on the support electric cylinder and connected with the transmission of the support telescopic rod. The support electric cylinder is connected with the support parallel positioning bracket through the first support hinge, and the support telescopic rod is connected with the support telescopic rod through the second support hinge. The supports are connected.

In this way, multi-axis driving of the support member 600 can be realized.

Specifically, the first support hinge 543 and the second support hinge 544 can be selected as a single-rotation pair hinge, a double-rotation pair hinge or a ball hinge according to actual needs.

Fig. 8 and Fig. 9 show the mirror image milling processing equipment 1 for the outer grid feature of a large-scale rotary conical thin-walled part according to some examples of the present invention. As shown in Fig. 8 and Fig. 9, a support chord direction rail 521 extending along the chord direction of the annular turntable 200 is provided on the support tilting moving platform 520, and a support chord direction moving platform 530 is slidably fitted on the support chord direction rail 521, The supporting parallel positioning device 540 is arranged on the supporting chord-direction moving platform 530, and the supporting chord-direction driving device for driving the supporting chord-direction moving platform 530 is provided on the supporting inclined moving platform 520, and the supporting chord-direction driving device includes a support chord-direction driving device The motor and the supporting chord-direction drive lead screw, the support chord-direction drive motor is arranged on the support tilting moving platform 520, the support chord-direction drive screw is connected with the support chord-direction drive motor, the support chord-direction drive The lead screw is threadedly engaged with the nut supporting the chord-direction moving platform 530 . In this way, the movement of the support chord-direction moving platform 530 can drive the support member 600 to move along the chord direction of the part 2 to be processed, thereby further improving the degree of freedom of position adjustment of the support member 600 .

Fig. 2 and Fig. 4 show the mirror image milling equipment 1 for the external grid feature of a large-scale rotary conical thin-walled part according to some examples of the present invention. As shown in Figures 2 and 4, the machining radial moving platform 320 is provided with a machining vertical track 321 oriented in the vertical direction, and the machining vertical track 321 is slidably matched with a machining vertical moving platform 360, and the machining is inclined. The platform 330 is installed on the processing vertical moving platform 360, and the processing radial moving platform 320 is provided with a processing vertical driving device for driving the processing vertical moving platform 360, and the processing vertical driving device includes a processing vertical driving motor 322 And processing vertical driving screw 323, processing vertical driving motor 322 is located at processing radial moving platform 320, and processing vertical driving screw 323 is connected with processing vertical driving motor 322, and processing vertical driving screw 323 is connected with processing The nuts of the vertical moving platform 360 are threadedly fitted. In this way, the movement of the vertical moving platform 360 can drive the processing device 400 to move in the vertical direction, further improving the degree of freedom of position adjustment of the processing device 400 .

Specifically, as shown in Fig. 2 and Fig. 4, the processing inclined platform 330 is reversibly arranged on the processing vertical moving platform 360 and the rotation axis is perpendicular to the radial direction of the ring turntable 200, and the processing vertical moving platform 360 is provided with The overturn driving device that drives the processing inclined platform 330 to turn over, the overturn drive device includes an overturn drive motor 371, an overturn drive screw 372 and an overturn drive nut. The driving screw 372 is in transmission connection with the turning driving motor 371 and is threadedly engaged with the turning driving nut, and the turning driving nut is reversibly arranged on the processing inclined platform 330 . In this way, the tilting angle of the processing tilting platform 330 can be adjusted by turning over the processing tilting platform 330, so that the angle of the processing tilting platform 330 can more easily match the busbar of the part 2 to be processed, and further improve the degree of freedom of position adjustment of the processing device 400.

Specifically, the support member 600 may have a plurality of support protrusions.

The following describes the control method of the mirror image milling equipment 1 for the external grid feature of large-scale rotary conical thin-walled parts according to the above-mentioned embodiments of the present invention, including the following steps:

S1. Install the part to be processed on the circular turntable;

S2. Drive the processing device through the processing positioning component, and position the processing device at the grid feature to be processed of the part to be processed;

S3. Drive the support member through the support positioning assembly, and position the support member at a position coincident with the axis of the processing device;

S4. Drive the processing device through the processing parallel positioning device to complete the processing of one grid feature, and drive the support member through the support positioning assembly to always adhere to the inner surface of the part to be processed and keep the The axis of the support member coincides with the axis of the processing device;

S5. Drive the processing device to withdraw the knife through the processing positioning component, and drive the support member to withdraw the knife through the support positioning component;

S6. Drive the processing device to move along the generatrix of the part to be processed by driving the tilting platform for processing, and position the processing device at another grid feature in the direction of the generatrix of the part to be processed;

S7. Steps S4-S6 are repeated until the processing of all grid features in the direction of the generatrix is completed;

S8. Rotate the annular turntable, and repeat steps S4-S6 until the processing of all grid features on the next bus is completed;

S9. Step S8 is repeated until the processing of all grid features on the part to be processed is completed.

According to the control method of the mirror image milling processing equipment 1 for the outer grid feature of the large rotary conical thin-walled part according to the embodiment of the present invention, by using the mirror image milling of the outer grid feature of the large rotary tapered thin-walled part according to the above-mentioned embodiment of the present invention Processing equipment 1 has the advantages of strong adaptability, high operating flexibility, and high processing precision.

Other configurations and operations of the mirror image milling equipment 1 for the outer grid feature of large-scale rotary conical thin-walled parts according to the embodiment of the present invention are known to those skilled in the art, and will not be described in detail here.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation A specific feature, structure, material, or characteristic described by an embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the invention is defined by the claims and their equivalents.

Claims (10)

1. The utility model provides a large-scale gyration class toper thin wall spare outside net characteristic mirror image milling equipment which characterized in that includes:

an annular base;

the annular rotary table is rotatably arranged on the annular base, is suitable for being provided with a part to be processed and is suitable for driving the part to be processed to rotate together;

the machining positioning assembly comprises a machining base, a machining radial moving platform, a machining inclined moving platform and a machining parallel positioning device, wherein the machining base is arranged on the radial outer side of the annular rotary table, a machining radial track oriented along the radial direction of the annular rotary table is arranged on the machining base, the machining radial moving platform is slidably arranged on the machining radial track, the machining inclined platform is arranged on the machining radial moving platform, a machining inclined track extending obliquely from outside to inside to top along the radial direction of the annular rotary table is arranged on the machining inclined platform, the machining inclined moving platform is slidably arranged on the machining inclined track, and the machining parallel positioning device is arranged on the machining inclined moving platform;

The processing device is arranged on the processing parallel positioning device;

the support positioning assembly comprises a support base, a support inclined movable platform and a support parallel positioning device, wherein the support base is arranged on the radial inner side of the annular turntable, a support inclined track which extends obliquely from outside to inside to top along the radial direction of the annular turntable is arranged on the support base, the support inclined movable platform is slidably arranged on the support inclined track, and the support parallel positioning device is arranged on the support inclined movable platform;

and the support piece is arranged on the support parallel positioning device.

2. The large-scale rotary conical thin-walled part outer grid feature mirror image milling equipment according to claim 1, wherein the machining positioning assembly further comprises a machining radial driving device for driving the machining radial moving platform and a machining inclined driving device for driving the machining inclined moving platform, the support positioning assembly further comprises a support inclined driving device for driving the support inclined moving platform, and the annular base is provided with a rotary table driving device for driving the annular rotary table.

3. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 2, wherein the machining radial driving device comprises a machining radial driving screw rod and a machining radial driving motor, the machining radial driving motor is arranged on the machining base, the machining radial driving screw rod is in transmission connection with the machining radial driving motor, and the machining radial driving screw rod is in threaded fit with a nut of the machining radial moving platform;

the machining tilting driving device comprises a machining tilting driving screw rod and a machining tilting driving motor, wherein the machining tilting driving motor is arranged on the machining tilting platform, the machining tilting driving screw rod is in transmission connection with the machining tilting driving motor, and the machining tilting driving screw rod is in threaded fit with a nut of the machining tilting moving platform;

the support tilt driving device comprises a support tilt driving screw rod and a support tilt driving motor, the support tilt driving motor is arranged on the support base, the support tilt driving screw rod is in transmission connection with the support tilt driving motor, and the support tilt driving screw rod is in threaded fit with a nut of the support tilt moving platform;

The rotary table driving device comprises a rotary table motor, a gear and a gear ring, wherein the gear ring is arranged on the annular base, the rotary table motor is arranged on the annular rotary table, and the gear is in transmission connection with the rotary table motor and meshed with the gear ring.

4. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 1, wherein the machining parallel positioning device comprises a machining parallel positioning bracket and a plurality of machining branched chains, wherein the machining branched chains are respectively connected with the machining parallel positioning bracket and the machining device, and the machining parallel positioning bracket is connected with the machining inclined movable platform;

the support parallel positioning device comprises a support parallel positioning bracket and a plurality of support branched chains, wherein the support branched chains are respectively connected with the support parallel positioning bracket and the support piece, and the support parallel positioning bracket is connected with the support tilting platform.

5. The large-scale rotary conical thin-walled part outer grid characteristic mirror image milling equipment according to claim 4, wherein the machining branched chain comprises a machining hollow motor and a machining ball screw, the machining hollow motor is in transmission connection with the machining ball screw and drives the machining ball screw to rotate along a central axis and move axially through rotation of the machining hollow motor, the machining hollow motor is connected with the machining parallel positioning support through a first machining hinge, the machining ball screw is connected with the machining device through a second machining hinge, the number of the machining branched chain is five, four of the five second machining hinges are double revolute pair hinges and one of the two second machining hinges is a single revolute pair hinge, and the five first machining hinges are double revolute pair hinges;

Or the processing branched chain comprises a processing branched chain track, a processing branched chain sliding block, a processing branched chain connecting rod and a processing branched chain motor, wherein the processing branched chain track is connected with the processing parallel positioning bracket, the processing branched chain sliding block is slidably arranged on the processing branched chain track, the processing branched chain motor is in transmission connection with the processing branched chain sliding block, one end of the processing branched chain connecting rod is connected with the processing branched chain sliding block through a first processing hinge, and the other end of the processing branched chain connecting rod is connected with the processing device through a second processing hinge;

or the processing branched chain comprises a processing electric cylinder, a processing telescopic rod and a processing telescopic motor, wherein the processing telescopic rod is movably arranged in the processing electric cylinder along the axial direction, the processing telescopic motor is arranged on the processing electric cylinder and is in transmission connection with the processing telescopic rod, the processing electric cylinder is connected with the processing parallel positioning bracket through a first processing hinge, and the processing telescopic rod is connected with the processing device through a second processing hinge.

6. The large-scale rotary tapered thin-wall piece outer grid feature mirror milling equipment according to claim 4, wherein the supporting branched chains comprise supporting hollow motors and supporting ball screws, the supporting hollow motors are in transmission connection with the supporting ball screws and drive the supporting ball screws to rotate along a central axis and move axially through rotation of the supporting hollow motors, the supporting hollow motors are connected with the supporting parallel positioning brackets through first supporting hinges, the supporting ball screws are connected with the supporting pieces through second supporting hinges, the number of the supporting branched chains is three, the number of the first supporting hinges is five, the number of the second supporting branched chains is five, the number of the second supporting hinges is four, the number of the second supporting branched chains is one, and the number of the first supporting hinges is two.

Or the supporting branched chain comprises a supporting branched chain track, a supporting branched chain sliding block, a supporting branched chain connecting rod and a supporting branched chain motor, wherein the supporting branched chain track is connected with the supporting parallel positioning bracket, the supporting branched chain sliding block is slidably arranged on the supporting branched chain track, the supporting branched chain motor is in transmission connection with the supporting branched chain sliding block, one end of the supporting branched chain connecting rod is connected with the supporting branched chain sliding block through a first supporting hinge, the other end of the supporting branched chain connecting rod is connected with the supporting piece through a second supporting hinge, the number of the supporting branched chain is three, the number of the first supporting hinges is three, and the number of the second supporting hinges is three;

or the support branched chain comprises a support electric cylinder, a support telescopic rod and a support telescopic motor, wherein the support telescopic rod is movably arranged in the support electric cylinder along the axial direction, the support telescopic motor is arranged on the support electric cylinder and is in transmission connection with the support telescopic rod, the support electric cylinder is connected with the support parallel positioning support through a first support hinge, and the support telescopic rod is connected with the support piece through a second support hinge.

7. The large-scale rotary conical thin-wall part outer grid characteristic mirror image milling equipment according to claim 1, wherein a support chord direction track extending along the chord direction of the annular turntable is arranged on the support inclined movable platform, the support chord direction track is slidably matched with a support chord direction movable platform, the support parallel positioning device is arranged on the support chord direction movable platform, a support chord direction driving device for driving the support chord direction movable platform is arranged on the support inclined movable platform, the support chord direction driving device comprises a support chord direction driving motor and a support chord direction driving screw rod, the support chord direction driving motor is arranged on the support inclined movable platform, the support chord direction driving screw rod is in transmission connection with the support chord direction driving motor, and the support chord direction driving screw rod is in threaded fit with a nut of the support chord direction movable platform.

8. The large-scale gyration type conical thin-walled part outside grid characteristic mirror image milling equipment according to claim 1, wherein a machining vertical track oriented along a vertical direction is arranged on the machining radial moving platform, a machining vertical moving platform is slidably matched on the machining vertical track, the machining inclined platform is installed on the machining vertical moving platform, a machining vertical driving device for driving the machining vertical moving platform is arranged on the machining radial moving platform, the machining vertical driving device comprises a machining vertical driving motor and a machining vertical driving screw rod, the machining vertical driving motor is arranged on the machining radial moving platform, the machining vertical driving screw rod is in transmission connection with the machining vertical driving motor, and the machining vertical driving screw rod is in threaded fit with a nut of the machining vertical moving platform.

9. The large-scale rotary conical thin-walled workpiece outer grid characteristic mirror image milling equipment according to claim 8, wherein the machining tilting platform is arranged on the machining vertical moving platform in a reversible manner, the rotation axis of the machining tilting platform is perpendicular to the radial direction of the annular turntable, a turnover driving device for driving the machining tilting platform to turn over is arranged on the machining vertical moving platform, the turnover driving device comprises a turnover driving motor, a turnover driving screw rod and a turnover driving nut, the turnover driving motor is arranged on the machining vertical moving platform in a reversible manner, the turnover driving screw rod is in transmission connection with the turnover driving motor and in threaded fit with the turnover driving nut, and the turnover driving nut is arranged on the machining tilting platform in a reversible manner.

10. A control method of large-scale rotary cone-like thin-walled part outer grid characteristic mirror image milling equipment according to any one of claims 1 to 9, comprising the steps of:

s1, mounting the part to be processed on the annular rotary table;

s2, driving the processing device through the processing positioning assembly, and positioning the processing device at the grid feature to be processed of the part to be processed;

s3, driving the supporting piece through the supporting and positioning assembly to position the supporting piece at a position coincident with the axis of the processing device;

s4, driving the processing device to complete processing of the grid features through the processing parallel positioning device, driving the supporting piece to be always attached to the inner surface of the part to be processed through the supporting and positioning assembly, and keeping the axis of the supporting piece coincident with the axis of the processing device;

s5, driving the machining device to retract through the machining positioning assembly, and driving the supporting piece to retract through the supporting positioning assembly;

s6, driving the machining device to move along the bus of the part to be machined by driving the machining inclined moving platform, and positioning the machining device at another grid feature in the bus direction of the part to be machined;

S7, repeating the steps S4-S6 until the processing of all grid features in the bus direction is completed;

s8, rotating the annular turntable, and repeating the steps S4-S6 until the processing of all grid features on the next bus is completed;

s9, repeating the step S8 until the processing of all grid features on the part to be processed is completed.