CN201295781Y - Boring and milling mechanism for spherical inner bores - Google Patents
Boring and milling mechanism for spherical inner bores Download PDFInfo
- Publication number
- CN201295781Y CN201295781Y CNU2008201649137U CN200820164913U CN201295781Y CN 201295781 Y CN201295781 Y CN 201295781Y CN U2008201649137 U CNU2008201649137 U CN U2008201649137U CN 200820164913 U CN200820164913 U CN 200820164913U CN 201295781 Y CN201295781 Y CN 201295781Y
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- main shaft
- knife rest
- milling
- nut
- boring
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Abstract
The utility model discloses a boring and milling mechanism for spherical inner bores. The boring and milling mechanism comprises a main shaft. A main shaft connecting sleeve sleeves the outside of the main shaft; a tool-post disc is arranged at the front end of the main shaft; a tool post is connected in the too-post disc; a linkage mechanism is rotationally connected with the tail end of the tool post; the other end of the linkage mechanism is fixedly connected with a ring sleeve; a feeding mechanism is connected with the tail end of the ring sleeve; and the ring sleeve is axially sleeved on the main shaft connecting sleeve in a sliding manner and is linked and rotated with the main shaft connecting sleeve. The boring and milling mechanism for spherical inner bores can be mounted on rams and main shafts of a common floor-type milling and boring machine and a planer type milling machine to conduct the uniaxial same-diameter cutter feed and has small tool-path error, thereby relatively reducing the error of spherical profile. The utility model adopts the main shaft as a main moving part and the feeding mechanism as an auxiliary moving part, and combines the main shaft with the feeding mechanism, thereby improving the boring efficiency, enabling the spherical surface accuracy to reach standards, expanding the utilization of a machine tool, relieving the production load of a high-accuracy machine tool, and greatly saving the investment in equipment.
Description
Technical field
The utility model relates to a kind of machinery processing apparatus, and a kind of sphere hole boring and milling mechanism on the milling machine especially is installed.
Background technology
In the prior art, special purpose machine tool is all adopted in boring-mill work to the sphere endoporus, because of sphere processing request precision height, feed accurately reaches the control of cutting output, and these are difficult to accomplish for machine tool, require operating personnel that good operating technology and experience are arranged simultaneously, but adopt special purpose machine tool processing, have high input, product cost improves, the development of disadvantaged business enterprise.Also having a kind of is to adopt Digit Control Machine Tool processing, for example, at processing 300MW generator unit, motor side on the model H165 lp outer casing, accent valve end main shaft bearing Internal Spherical Surface bearing shell hole, spherical diameter is φ 985mm, in the process of roughness 0.8um, what adopt at present is the FA-C221 type 3 axis linkage numerical control boring and milling machines processing that Italian INNSA company makes, though employing Digit Control Machine Tool, but the cutter path error of multi-axis numerical control servomotor combined shaping can cause the spherical profile error, causes product working (machining) efficiency and quality to reduce.
Summary of the invention
Problem to be solved in the utility model is exactly a kind of sphere hole boring and milling mechanism, can significantly improve boring precision and production efficient, reduces the production cost.
In order to address the above problem, the utility model is achieved like this: a kind of sphere hole boring and milling mechanism, comprise main shaft, the main shaft outside is with the main shaft adapter sleeve, and front-end of spindle is provided with the knife rest dish, switching has knife rest in the knife rest dish, the switching of knife rest tail end has linkage, and the linkage other end is connected with the annulus cover, and annulus cover rear end connects feed mechanism, described annulus overlaps on the main shaft adapter sleeve that axially is slidingly located in, and rotates with the interlock of main shaft adapter sleeve.
Further, described feed mechanism is the manual drives pair of nut, comprise manual inner nut and fixing outer nut, fixedly the outer nut rear end is fixed on the milling machine ram, manually between inner nut front end face and the annulus cover rear end face plane bearing is installed, manual inner nut front end is provided with bindiny mechanism and is connected with the annulus cover, and the axially-movable of control annulus cover.
Further, described bindiny mechanism is the circular contiguous block of inverted " L " shape, is threaded with manual inner nut front end, and annulus cover rear end is provided with lug boss, lug boss is embedded manually between inner nut and the contiguous block, and and manual inner nut and contiguous block end face between stay the face revolution space.
Further, be provided with wear-resistant block between contiguous block and the lug boss, and be connected with the contiguous block screw.
As preferably, contiguous block is provided with trip bolt with manual inner nut junction, is provided with pad at the trip bolt front end.
As preferably, on the described manual inner nut hand wheel is housed.
Further, main shaft adapter sleeve periphery overlaps on the inner headed face with annulus and axially offers many mutual corresponding guiding keyways, places feather key in the guiding keyway, and feather key and annulus cover are affixed.
Further, described knife rest middle part is provided with bearing pin, and bearing pin and knife rest are structure as a whole and transfer on the knife rest dish, and knife rest front end mounting cutter also is equipped with the cutter fine-tuning nut and the cutter locking nut.
After adopting technique scheme, the utlity model has following advantage: the utility model sphere hole boring and milling mechanism can be installed on the ram and main shaft of common floor-type milling ﹠ boring machine and planer-type milling machine, carry out single shaft with the diameter feed, the cutter path error is little, thereby the spherical profile error reduces relatively; Feed mechanism adopts the drive nut pair, and is easy to operate, and the precision height, improved the efficient of boring and milling greatly; The utility model is easy for installation, and is applied widely, improved the utilization rate of machine tool, alleviates the production load of high precision machine tool, saved the equipment input cost.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the perspective view of the utility model sphere hole boring and milling mechanism;
Fig. 2 is the internal structure schematic diagram of the utility model sphere hole boring and milling mechanism;
Fig. 3 is the enlarged drawing of A part among Fig. 2;
Fig. 4 is the schematic diagram that the utility model sphere hole boring and milling mechanism sphere is shaped;
Fig. 5 finishes the drive principle figure of two-dimentional circular arc spherical surface for the utility model sphere hole boring and milling mechanism.
The specific embodiment
As Fig. 1, the utility model sphere hole boring and milling mechanism shown in Figure 2, comprise main shaft 81, main shaft 81 outsides are with main shaft adapter sleeve 1, main shaft 81 front ends are provided with knife rest dish 2, knife rest 21 is installed in the knife rest dish 2, knife rest 21 is provided with a bearing pin 22 with knife rest 21 integrative-structures, knife rest 21 switchings are on knife rest dish 2, knife rest 21 front end mounting cutters 211 also are equipped with cutter fine-tuning nut 212 and cutter locking nut 213, the inclined-plane that cutter fine-tuning nut 212 afterbodys and cutter afterbody are set to work in coordination, stretching of the rotation control cutter 211 of cutter fine-tuning nut 212, cutter locking nut 213 is used for fixing cutter 211.The switching of knife rest 21 tail ends has linkage 3, the other end of linkage 3 is fixed on the annulus cover 4, annulus cover 4 endwisely slips and is set on the main shaft adapter sleeve 1, main shaft adapter sleeve 1 periphery overlaps with annulus and axially offers many mutual corresponding guiding keyways 11 on 4 inner headed faces, place feather key 41 in the guiding keyway 11 and overlap 4 screws and be connected with annulus, by feather key 41, make main shaft adapter sleeve 1 overlap 4 interlock rotations with annulus.
As shown in Figure 3, the utility model overlaps 4 rear ends at annulus and is provided with a feed mechanism, the preferred manual drives pair of nut that adopts, comprise manual inner nut 5 and fixing outer nut 6, fixedly outer nut 6 rear ends are connected with the ram 8 of milling machine, manual inner nut 5 front ends are provided with bindiny mechanism and are connected with annulus cover 4, described bindiny mechanism is the circular contiguous block 7 of inverted " L " shape, and be threaded with manual inner nut 5 front ends, in order to prevent contiguous block 7 loosening and thread damage in rotation, also be provided with trip bolt 72 in contiguous block 7 and manual inner nut 5 junctions, and be lined with pad 73 at trip bolt 72 front ends, annulus overlaps 4 rear ends lug boss 42 is set, and lug boss 42 is embedded manually between inner nut 5 and the contiguous block 7, and and manual inner nut 5 and contiguous block 7 end faces between reserve revolution space.In order to reduce the friction damage between annulus cover 4 and the contiguous block 7, wear-resistant block 71 is installed between contiguous block 7 and lug boss 42, wear-resistant block 71 is connected with contiguous block 7, and the profile of wear-resistant block and contiguous block 7 correspond to circular or are bulk.
The schematic diagram that is shaped of the utility model sphere hole boring and milling mechanism sphere as shown in Figure 4, knife rest 21 is finished two-dimentional circular arc around bearing pin 22, and knife rest 21 and bearing pin 21 are transferred on the axis of the main shaft 81 of axis and bearing pin 21 axes intersect for one, knife rest 21 is finished rotation around main shaft 81 simultaneously doing making an arc motion, thereby forms the sphere track of cutting tool 211 on the knife rest 21.
Finish the drive principle figure of two-dimentional circular arc spherical surface for the utility model sphere hole boring and milling mechanism as Fig. 5, the motion of making an arc of above-mentioned knife rest 21 is to rely on the linkage that is installed in knife rest 21 afterbodys to finish, linkage 3 other ends connect annulus cover 4, and annulus cover 4 is connected with feed mechanism, in motion process, hand wheel 51 on the rotation manual inner nut 5, manually inner nut 5 and fixedly outer nut 6 generation relative motions, cause fixedly outer nut 6 is fixed on the milling machine ram, therefore manually inner nut 5 travels forward, promote the annulus cover and realize feeding, for output speed that makes feed mechanism and the speed of rotation mutually noninterfere mutually of living main shaft 81, between annulus cover 4 and manual inner nut 5, be provided with plane bearing 9, motion drivening rod mechanism 3 motions of annulus cover 4, make knife rest 21 to rotation counterclockwise, the cutting movement of sphere is finished in the rotation of cooperation main shaft.Manual inner nut 5 circles round, the contiguous block 7 that is positioned at manual inner nut 5 front end bindiny mechanisms drives annulus cover 4 motion backward, the motion drivening rod mechanism 3 of annulus cover 4 clockwise rotates knife rest, cooperate the rotation of main shaft to finish the cutting movement that remains a part of sphere, above-mentioned main axis rotation, for main shaft 81 drives 2 rotations of knife rest dish, the knife rest 21 that is connected successively with knife rest dish 2, linkage 3 and annulus overlap 4 corresponding rotations, then drive 1 rotation of main shaft adapter sleeve, main axis rotation is the main motion of the utility model sphere hole boring and milling mechanism, and feed mechanism rotate to be synkinesia, the two is in conjunction with can effectively improving boring efficient, and the spherical surface precision reaches standard, enlarges machine tool utilization rate, alleviate the production load of high precision machine tool, save the equipment input cost greatly.
Claims (8)
1, a kind of sphere hole boring and milling mechanism, it is characterized in that: comprise main shaft (81), main shaft (81) outside is with main shaft adapter sleeve (1), main shaft (81) front end is provided with knife rest dish (2), switching has knife rest (21) in the knife rest dish (2), the switching of knife rest (21) tail end has linkage (3), linkage (3) other end is connected with annulus cover (4), annulus cover (4) rear end connects feed mechanism, described annulus cover (4) endwisely slips and is set on the main shaft adapter sleeve (1), and rotates with main shaft adapter sleeve (1) interlock.
2, a kind of sphere hole boring and milling mechanism according to claim 1, it is characterized in that: described feed mechanism is the manual drives pair of nut, comprise manual inner nut (5) and fixing outer nut (6), fixedly outer nut (6) rear end connects milling machine ram (8), manually between inner nut (5) front end face and annulus cover (4) rear end face plane bearing (9) is installed, manual inner nut (5) front end is provided with bindiny mechanism and is connected with annulus cover (4), and the axially-movable of control annulus cover (4).
3, a kind of sphere hole boring and milling mechanism according to claim 2, it is characterized in that: described bindiny mechanism is the circular contiguous block of inverted " L " shape (7), be threaded with manual inner nut (5) front end, annulus cover rear end is provided with lug boss (42), lug boss (42) is embedded manually between inner nut (5) and the contiguous block (7), and and manual inner nut (5) and contiguous block (7) end face between reserve revolution space
4, a kind of sphere hole boring and milling mechanism according to claim 3 is characterized in that: be provided with wear-resistant block (71) between contiguous block (7) and the lug boss (42), and be connected with contiguous block (7) screw.
5, according to claim 3 or 4 described a kind of sphere hole boring and milling mechanisms, it is characterized in that: contiguous block (7) is provided with trip bolt (72) with manual inner nut (5) junction, is provided with pad (73) at trip bolt (72) front end.
6, a kind of sphere hole boring and milling mechanism according to claim 2 is characterized in that: hand wheel (51) is housed on the described manual inner nut (4).
7, a kind of sphere hole boring and milling mechanism according to claim 1, it is characterized in that: axially offer many mutual corresponding guiding keyways (11) on main shaft adapter sleeve (1) periphery and annulus cover (4) inner headed face, place feather key (41) in the guiding keyway (11), feather key (41) is affixed with annulus cover (4).
8, a kind of sphere hole boring and milling mechanism according to claim 1, it is characterized in that: described knife rest (21) middle part is provided with bearing pin (22), bearing pin (22) is structure as a whole and transfers on knife rest dish (2) with knife rest (21), and knife rest (2) front end mounting cutter (211) also is provided with cutter fine-tuning nut (212) and locking nut (213).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201649137U CN201295781Y (en) | 2008-09-25 | 2008-09-25 | Boring and milling mechanism for spherical inner bores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201649137U CN201295781Y (en) | 2008-09-25 | 2008-09-25 | Boring and milling mechanism for spherical inner bores |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201295781Y true CN201295781Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201649137U Expired - Lifetime CN201295781Y (en) | 2008-09-25 | 2008-09-25 | Boring and milling mechanism for spherical inner bores |
Country Status (1)
| Country | Link |
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| CN (1) | CN201295781Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391314B (en) * | 2008-09-25 | 2012-09-05 | 湖州机床厂有限公司 | Spherical surface hole boring and milling mechanism |
| CN104533893A (en) * | 2014-11-14 | 2015-04-22 | 常州市盈顺电子有限公司 | Rotating connecting mechanism |
| CN112338228A (en) * | 2020-10-26 | 2021-02-09 | 宜昌船舶柴油机有限公司 | Inner spherical surface boring device and method |
| CN112676772A (en) * | 2020-11-30 | 2021-04-20 | 山东齐鲁电机制造有限公司 | Method for machining spherical coupling hole of generator coupler |
-
2008
- 2008-09-25 CN CNU2008201649137U patent/CN201295781Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391314B (en) * | 2008-09-25 | 2012-09-05 | 湖州机床厂有限公司 | Spherical surface hole boring and milling mechanism |
| CN104533893A (en) * | 2014-11-14 | 2015-04-22 | 常州市盈顺电子有限公司 | Rotating connecting mechanism |
| CN112338228A (en) * | 2020-10-26 | 2021-02-09 | 宜昌船舶柴油机有限公司 | Inner spherical surface boring device and method |
| CN112676772A (en) * | 2020-11-30 | 2021-04-20 | 山东齐鲁电机制造有限公司 | Method for machining spherical coupling hole of generator coupler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20080925 |