CN109202147B - Split fork type box structure - Google Patents
Split fork type box structure Download PDFInfo
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- CN109202147B CN109202147B CN201810266351.5A CN201810266351A CN109202147B CN 109202147 B CN109202147 B CN 109202147B CN 201810266351 A CN201810266351 A CN 201810266351A CN 109202147 B CN109202147 B CN 109202147B
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- side plate
- cavity
- plate unit
- mounting hole
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
- B23C9/005—Details or accessories so far as specially adapted to milling machines or cutter milling heads
Abstract
The invention relates to a split fork type box structure for a direct-drive double-swing-angle milling head. The split fork type box body structure comprises two side plate units and a top seat unit, the top seat unit comprises an upper circular structure and a lower structure, the two side plate units are symmetrically installed on the square bottom surface of the lower structure at intervals, and the circular end surface of the upper circular structure is used for installing a turntable bearing with a C swing angle; the side plate unit is of a U-shaped box structure, the upper portion of the side plate unit is a hollow cavity, the middle portion of the side plate unit is provided with a wiring channel, the lower portion of the side plate unit is designed to be a cavity mounting hole, the cavity mounting hole is a through hole which is axially arranged along the thickness direction of the side plate unit, the cavity mounting hole is used for mounting an A swing angle torque motor, and the wiring channel is used for connecting the hollow cavity and the cavity mounting hole. Through the components of a whole that can function independently fork type box structure that two curb plate unit structures and footstock unit are constituteed, the components of a whole that can function independently structure is convenient for process assembly for overall structure obtains better optimization, has guaranteed the geometric accuracy of main shaft and pivot angle simultaneously, has extensive market perspective.
Description
Technical Field
The invention relates to the field of machine tool equipment, in particular to a split fork type box structure for a direct-drive double-swing-angle milling head.
Background
The five-axis linkage machining tool is popular in application in important industrial departments such as aviation, aerospace, war industry, power generation equipment and the like due to the characteristic that the five-axis linkage machining tool can realize the forming machining of a complex curved surface, and the direct-drive double-swing-angle milling head is a key functional part researched and developed for meeting the requirements of a high-speed precise five-axis machining tool.
The core component of the direct-drive double-swing-angle milling head is an A swing-angle box body which plays a role in starting and stopping, and the direct-drive double-swing-angle milling head is complex in structure and has the characteristics of high bearing capacity, high precision, large swing angle range and the like. The A swing angle box body of the existing swing angle head adopts an integrally cast structural part, so that the casting and machining precision is difficult to guarantee, and the cost is high. If the split structural member is adopted, the complexity can be simplified, and due to the simplification of the complexity, the split structural member can adopt a pre-stretched plate, so that the strength is good, the casting defect is avoided, the processing is easy, and the assembly is convenient. Meanwhile, the A swing angle box body can be assembled in a split mode, so that the spindle seat can be integrally designed, the installation of the spindle can be simplified, the geometric precision of the spindle and the swing angle is guaranteed, and the rigidity of the spindle is increased.
Therefore, the inventor provides a split fork type box structure for a direct-drive double-swing-angle milling head.
Disclosure of Invention
The invention provides a split fork type box body structure for a direct-drive double-swing-angle milling head, which is convenient to process and assemble, can simplify the installation of a main shaft, ensures the geometric precision of the main shaft and a swing angle, and simultaneously increases the rigidity of the main shaft.
The embodiment of the invention provides a split fork type box structure which is used for directly driving a double-swing-angle milling head. The structure comprises a side plate unit which is of a U-shaped box body structure, wherein the upper part of the side plate unit is a hollow cavity, the middle part of the side plate unit is provided with a wiring channel, the lower part of the side plate unit is designed to be a cavity mounting hole, the cavity mounting hole is a through hole axially along the thickness direction of the side plate unit, the cavity mounting hole is used for mounting an A swing angle torque motor, and the wiring channel is used for connecting the hollow cavity and the cavity mounting hole;
the footstock unit comprises an upper circular structure and a lower structure, wherein the two side plate units are symmetrically installed on the square bottom surface of the lower structure at intervals, and the circular end surface of the upper circular structure is used for installing a turntable bearing with a C swing angle.
In a first possible implementation manner, the edge of the cavity mounting hole is a flange ring, and the flange ring is used for mounting the swing angle bearing seat a and the swing angle torque motor a.
With reference to the foregoing possible implementation manner, in a second possible implementation manner, the cavity mounting hole is a diameter-variable hole in the side plate thickness direction, the cavity mounting hole is a large-diameter hole on the opposite side of the two side plate units, and the cavity mounting hole is a small-diameter hole on the opposite side of the two side plate units.
With reference to the foregoing possible implementation manners, in a third possible implementation manner, the upper end surface of the side plate unit is a mounting plane, the mounting plane is provided with a plurality of first mounting holes, a plurality of second mounting holes corresponding to the square bottom surface of the top seat unit mounted on the side plate unit are provided, and the first mounting holes are connected to the second mounting holes through fasteners.
In combination with the above possible implementations, in a fourth possible implementation, the fastener is a screw and/or a taper pin.
With reference to the foregoing possible implementation manner, in a fifth possible implementation manner, an open slot is formed in the middle of the upper end surface of the side plate unit, and the plurality of first mounting holes are arranged at intervals along an edge plane of the open slot.
With reference to the foregoing possible implementation manners, in a sixth possible implementation manner, an inner ring cavity is formed in the upper circle structure of the top seat unit, and the inner ring cavity is used for installing a C swing angle turntable bearing and the C swing angle torque motor rotor seat.
With reference to the above possible implementation manners, in a seventh possible implementation manner, the square bottom surface of the lower structure of the top seat unit is a cavity structure provided with an i-shaped spacer rib.
With reference to the foregoing possible implementation manners, in an eighth possible implementation manner, a window for routing is disposed on the square bottom surface of the lower structure.
With reference to the foregoing possible implementation manners, in a ninth possible implementation manner, the upper circular structure and the lower structure are detachably connected to form an integral structure of the top seat unit through the partition rib and the frame.
In summary, the split fork type box structure provided by the embodiment of the invention is used for directly driving the A swing angle box body in the double swing angle milling head by adopting the split fork type box structure consisting of the two side plate unit structures and the top seat unit, so that the processing and assembling difficulty is reduced, the requirements of an aviation system can be met, and the split fork type box structure can be widely applied to the industries such as aerospace, ships, wind power, high-speed rail and automobiles, and has a wide application prospect.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic diagram of a split-fork type box structure according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the side panel unit of fig. 1.
Fig. 3 is a schematic structural view of the top mount unit in fig. 1.
Fig. 4 is a schematic bottom view of the top mount unit of fig. 3.
In the figure:
1: a side plate unit; 11: a hollow cavity; 12: a wire path; 13: a concave cavity mounting hole; 14: a flange ring;
2: a top seat unit; 21: an inner ring cavity; 22: separating ribs; 23: and (6) windowing.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
In the description of the present invention, it should be noted that unless otherwise specified, the terms "above", "below", and the like, indicate orientations or positional relationships only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "mounted," "disposed," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Fig. 1 is a schematic diagram of a split-fork type box structure according to an embodiment of the present invention.
As shown in fig. 1, the split fork type box structure of the direct-drive double-swing-angle milling head of the invention comprises two side plate units 1 and a top seat unit 2, wherein the side plate unit 1 is a U-shaped box structure, the upper part of the side plate unit 1 is a hollow cavity 11, the middle part is provided with a wiring channel 12, the lower part is designed to be a cavity mounting hole 13, the cavity mounting hole is a through hole axially along the thickness direction of the side plate unit 1, the cavity mounting hole 13 is used for mounting an a swing angle torque motor, and the wiring channel 12 is used for connecting the hollow cavity 11 and the cavity mounting hole 13; the footstock unit 2 comprises an upper circular structure and a lower structure, the two side plate units 1 are symmetrically installed on the square bottom surface of the lower structure at intervals, and the circular end surface of the upper circular structure is used for installing a turntable bearing with a C swing angle.
The A swing angle box body of the swing angle head is formed by assembling a split fork type box body structure comprising two side plate units 1 and a top seat unit 2, compared with an integral casting structural part in the prior art, the split structure is adopted, the complexity of processing can be simplified, moreover, the split part can be made of pre-stretched plates, the strength is good, the casting defect is avoided, the processing is easy, and the assembly is convenient. Meanwhile, the A swing angle box body can be assembled in a split mode, so that the spindle seat can be designed integrally, the installation of the spindle is simplified, the precision of the spindle and the swing angle is guaranteed, and the rigidity of the spindle is increased.
Fig. 2 is a schematic structural view of the side panel unit of fig. 1.
Referring to fig. 1 and 2, the edge of the cavity mounting hole 13 in the side plate unit 1 is a flange ring 14, and the flange ring 14 is used for mounting an a swing angle torque motor and an a swing angle bearing seat. The flange ring 14 is mounted on the bearing seat, so that the corresponding torque motor is mounted in the cavity mounting hole 13. Specifically, the bearing seat is connected through an inner ring threaded hole on the flange ring 14, an outer ring threaded hole on the flange ring 14 is connected with the torque motor, and the connecting fastener can be a screw matched with the threaded hole.
The hollow cavity 11, the routing channel 12 and the cavity mounting hole 13 of the side plate unit are designed under the condition of ensuring the shape and the size of a fork-shaped structure, wherein the routing channel 12 is used for connecting the hollow cavity 11 and the cavity mounting hole 13, so that a torque motor cable, a main shaft cable and the like can conveniently enter the hollow cavity 11 from the cavity mounting hole 13, and the hollow cavity 11 is a hollow cavity under the condition of ensuring the wall thickness and the cavity shape. The design of the cavity mechanism greatly reduces the whole weight of the side plate unit under the condition of ensuring the rigidity, and meanwhile. The cavity is also used for butting the cable and the hydraulic pipe joint to form sufficient placing space.
It should be noted that the cavity mounting holes 13 of the present invention are diameter-variable holes in the thickness direction of the side plates, the cavity mounting holes 13 are large-diameter holes on the opposite sides of the two side plate units 1, the cavity mounting holes 13 are small-diameter holes on the opposite sides of the two side plate units 1, and the corresponding swing-angle-a torque motor is mounted through the diameter-variable cavity mounting holes 13 on the two side plate units 1, so that the motor is placed in the cavity of the side plate, and the side plate also plays a role of an outer protection cover for the motor.
Preferably, the upper end surface of the side plate unit 1 is a mounting plane, the mounting plane is provided with a plurality of first mounting holes, the square bottom surface of the top seat unit 2 mounted on the side plate unit 1 is provided with a plurality of corresponding second mounting holes, the first mounting holes and the second mounting holes are connected through fasteners, and the detachable assembly and mounting of the two side plate units 1 and the top seat unit 2 are realized through the fasteners and the mounting holes.
The middle of the upper end face of the side plate unit 1 is provided with an open slot, a hollow cavity 11 is formed by the inward open slot of the box body structure, a plurality of first mounting holes are arranged at intervals along the edge plane of the open slot, and the first mounting holes are matched with corresponding connecting fasteners.
Fig. 3 is a schematic structural view of the top seat unit of fig. 1, and fig. 4 is a schematic bottom view of the top seat unit of fig. 3.
Referring to fig. 1, 3 and 4, the upper circular structure of the top seat unit 2 is provided with an inner annular cavity 21, and the inner annular cavity 21 is used for installing a C swing angle turntable bearing and a C swing angle torque motor rotor seat. The square bottom surface of the lower structure of the top seat unit 2 is a cavity structure provided with an I-shaped spacer bar 22, and the square bottom surface of the lower structure is provided with a windowing 23 for wiring. The upper round structure and the lower structure are detachably connected into an integral structure of the top seat unit 2 through the partition ribs 22 and the frame. Cables and hydraulic pipes required by the equipment in the embodiment of the invention can be respectively led into the hollow cavity 11 from the left window 23 and the right window 23, then are led to the wiring channel 12, and enter the cavity in the cavity mounting hole 13 from the wiring channel 12, and the spindle is mounted in the cavity mounting hole 13 and can be communicated with the electric spindle through the spindle seat. The electric spindle can be connected with the hydraulic pipe through the cable and the hydraulic pipe to the upper port of the split fork-shaped box body structure.
It should be noted that the top seat unit 2 of the present invention is designed to be a top-round and bottom-round structure according to the connection requirement with the side plate unit 1 and the C pivot angle, and referring to fig. 3 and 4, the top-round structure is used for connecting with the C pivot angle turntable bearing. An inner ring cavity 21 is formed in the upper circular structure, the weight is reduced, meanwhile, the installation space of a torque motor rotor seat of the C swing angle turntable bearing is reserved, and the lower structure is used for being connected with the two side plate units 1. The I-shaped separation rib 22 is arranged in the cavity of the lower structure, the separation rib 22 does not affect wiring of the windowing 23 while enhancing rigidity of the lower structure, the upper and lower circular structures are connected into a whole tightly through the separation rib 22 and a frame of the lower structure, the wiring pipe is not affected, and integral rigidity of the top seat unit 2 is guaranteed.
It should be noted that the split fork type box structure for the direct-drive double-swing-angle milling head can meet the design requirements of the whole structure through finite element analysis, and a finite element analysis model is shown in figure 4.
In summary, the split fork type box body structure formed by the two side plate unit structures and the top seat unit is used for directly driving the A swing angle box body in the double swing angle milling head, so that the installation of the A swing angle motor, the A swing angle bearing seat and other corresponding elements of the A swing angle can be realized, and the connection of related elements such as the C swing angle can also be met. Meanwhile, the design of the split fork type structure is also beneficial to the functions of processing, assembling, debugging and the like. The split fork-shaped box body structure optimizes the existing complex integral casting structural part, avoids the problems of casting defects and difficulty in ensuring the machining precision caused by casting, greatly reduces the machining cost of casting molds and the like, and is convenient to machine and assemble, so that the spindle seat obtains a better integrated design structure.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. A split fork type box structure is used for a direct-drive double-swing-angle milling head and is characterized by comprising two side plate units and a top seat unit, wherein the top seat unit comprises an upper round structure and a lower round structure, the two side plate units are symmetrically installed on the square bottom surface of the lower round structure at intervals, and the round end surface of the upper round structure is used for installing a turntable bearing with a C swing angle; the side plate unit is of a U-shaped box body structure, the upper part of the side plate unit is a hollow cavity, the middle part of the side plate unit is provided with a wiring channel, the lower part of the side plate unit is designed to be a cavity mounting hole, the cavity mounting hole is a through hole axially along the thickness direction of the side plate unit, the cavity mounting hole is used for mounting an A swing angle torque motor, and the wiring channel is used for connecting the hollow cavity and the cavity mounting hole; the concave cavity mounting hole is a diameter-variable hole in the thickness direction of the side plate, the concave cavity mounting hole is a large-diameter hole on the opposite side of the two side plate units, and the concave cavity mounting hole is a small-diameter hole on the opposite side of the two side plate units;
the square bottom surface of the lower structure of the top seat unit is a cavity structure provided with an I-shaped spacer rib;
go up the circle structure with the below structure passes through separate muscle and frame detachably connect for the integrative structure of footstock unit.
2. The split fork-type box structure of claim 1, wherein the edge of the cavity mounting hole is a flange ring, and the flange ring is used for mounting an A swing angle bearing seat and the A swing angle torque motor.
3. The split fork-type box structure according to claim 1, wherein the upper end surface of the side plate unit is a mounting plane, the mounting plane has a plurality of first mounting holes, the square bottom surface of the top seat unit mounted on the side plate unit has a plurality of corresponding second mounting holes, and the first mounting holes are connected to the second mounting holes by fasteners.
4. The split yoke style box structure as claimed in claim 3, wherein the fastener is a screw and/or a taper pin.
5. The split fork-type box structure according to claim 3, wherein an open groove is formed in the middle of the upper end surface of the side plate unit, and the plurality of first mounting holes are arranged at intervals along an edge plane of the open groove.
6. The split fork-type box structure according to claim 1, wherein an inner ring cavity is formed in an upper circular structure of the top seat unit, and the inner ring cavity is used for mounting a C swing angle turntable bearing and the C swing angle torque motor rotor seat.
7. The split fork-type box structure of claim 6, wherein the square bottom surface of the lower structure is provided with a window for routing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266351.5A CN109202147B (en) | 2018-03-28 | 2018-03-28 | Split fork type box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810266351.5A CN109202147B (en) | 2018-03-28 | 2018-03-28 | Split fork type box structure |
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| Publication Number | Publication Date |
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| CN109202147A CN109202147A (en) | 2019-01-15 |
| CN109202147B true CN109202147B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810266351.5A Active CN109202147B (en) | 2018-03-28 | 2018-03-28 | Split fork type box structure |
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| CN (1) | CN109202147B (en) |
Citations (1)
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| JPH03178709A (en) * | 1989-12-02 | 1991-08-02 | Kikukawa Tekkosho:Kk | Multi-spindle working machine |
| CN100475437C (en) * | 2007-01-15 | 2009-04-08 | 大连光洋科技工程有限公司 | Double pendulum milling head of AC permanent magnetic synchronization external-rotor-type force moment motor drive |
| CN101428395B (en) * | 2008-12-04 | 2010-06-02 | 大连理工大学 | AC permanent magnet disc type torque motor drived large-torque double-pendulum milling head |
| CN102009219A (en) * | 2010-10-14 | 2011-04-13 | 沈阳机床（集团）设计研究院有限公司 | A-axis automatic switching type A/C axis double pivot angle numerical controlled universal milling head |
| CN201862839U (en) * | 2010-10-14 | 2011-06-15 | 沈阳机床（集团）设计研究院有限公司 | Joint type A/C shaft bi-rotary numerical control universal milling head |
| CN102091947A (en) * | 2010-12-28 | 2011-06-15 | 齐齐哈尔二机床(集团)有限责任公司 | Accessory type double pendulum angle milling head driven by alternating-current permanent-magnet synchronous inner rotor torque motor |
| CN202622342U (en) * | 2012-04-25 | 2012-12-26 | 北京信息科技大学 | Direct-driven cutter head |
| CN104493277A (en) * | 2014-12-18 | 2015-04-08 | 济南二机床集团有限公司 | Electric spindle type torque motor driven A/C double tilt angle numerical control universal milling head |
| CN105081437B (en) * | 2015-09-07 | 2017-09-22 | 燕山大学 | Planetary gear type transmission A/C double pendulum angle milling heads |
| CN205464368U (en) * | 2016-03-30 | 2016-08-17 | 宜兴市融兴铸造有限公司 | AB pivot angle head spindle carrier is milled at high -speed longmen |
| CN205949941U (en) * | 2016-07-11 | 2017-02-15 | 科德数控股份有限公司 | Double pendulum cutter head based on inner rotor torque motors |
| CN207077239U (en) * | 2017-07-05 | 2018-03-09 | 宁波海天精工股份有限公司 | A kind of sleeping plus A yaws of torque motor driving |
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2018
- 2018-03-28 CN CN201810266351.5A patent/CN109202147B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205096606U (en) * | 2015-11-19 | 2016-03-23 | 中国航空工业集团公司北京航空制造工程研究所 | Corner stop gear and high -speed AC pivot angle cutter head of high -speed AC pivot angle cutter head |
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