CN102699353B - Main spindle box for swing head - Google Patents
Main spindle box for swing head Download PDFInfo
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- CN102699353B CN102699353B CN2012102312579A CN201210231257A CN102699353B CN 102699353 B CN102699353 B CN 102699353B CN 2012102312579 A CN2012102312579 A CN 2012102312579A CN 201210231257 A CN201210231257 A CN 201210231257A CN 102699353 B CN102699353 B CN 102699353B
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Abstract
The invention relates to a main spindle box for a swing head. The main spindle box is characterized in that a motor is connected with an installation pad via a screw, the output shaft of the motor is connected with a speed reducer in a matching manner, and the speed reducer is connected to a transmission box body via a screw; a first gear and a third gear are installed on a first shaft and located respectively and then connected via a screw and a spring washer to compose a gear group; a bearing seat is connected with the transmission box body via a screw, an installation support is connected with the transmission box body, and a third bearing is arranged in the bearing seat; and a second gear is connected with a third shaft via a key, and the outer steel ring of a second bearing is matched with the transmission box body to achieve an effect of supporting the third shaft. A flange is installed at the front end of the third shaft and used for locating and installing an electric main spindle; and a second shaft is located and installed at the rear end of the third shaft via a shaft, and the second shaft is connected with the third shaft via a screw and finally connected with an angle encoder. The main spindle box disclosed by the invention is simple and reasonable in structure, avoids the damage of the axial force of oblique teeth on a motor, and can be used for preventing the deformation of the transmission box and ensuring the transmission accuracy.
Description
Technical field
The present invention relates to a kind of swinging head main spindle box, specifically be used for overhead viaduct type five-axle linkage machining tool, the guarantee swinging head can accurately be completed the transmission case structure of swing, belongs to mechanical equipment technical field.
Background technology
Have the high-performance numerical control equipment of five-axle linkage process technology owing to completing complex-curved processing, in industries such as Aero-Space, boats and ships, have broad application prospects.At present, domestic had many Digit Control Machine Tool producers to possess the technology of producing 5-shaft linkage numerical control equipment, and put on display in the large-size numerical control machine exhibition.In these products, the large-scale five-axle linkage main tapping that passes through import or self design that has is completed five-axle linkage processing, the rotating shaft that increases relative X, Y, three basic axles of Z that adopts that has is completed five-axle linkage processing, no matter adopt which kind of method, ensure the precision of five-axle linkage processing, just must control the transmission accuracy of each axle.
Overhead viaduct type five-axle linkage machining tool is to increase the C axle of relative Z axis rotation and the mode that the configuration swinging head increases the A axle of relative X-axis rotation by the configuration panoramic table, realizes the machining functions of five-axle linkage.Wherein, in the design of original spindle swing gap eliminating transmission case, normally adopt the disappear structure of gap transmission and output shaft integral pre-tightening of helical gear.Although the helical gear gap-eliminating structure can effectively be eliminated drive gap, can produce axial force due to helical gear when the transmission, have a strong impact on the service life of motor; And output shaft integral pre-tightening structure acts directly on transmission case body due to pretightning force, causes the transmission case distortion, causes transmission accuracy to be difficult to control.
Summary of the invention
The object of the invention is to overcome above-mentioned weak point, thereby a kind of rational swinging head headstock structure is provided, this headstock structure adopts helical teeth gap transmission that disappears, and can avoid the damage of helical teeth axial force to motor; And can prevent the transmission case distortion, can guarantee transmission accuracy.
According to technical scheme provided by the invention, the swinging head main spindle box comprises transmission case body, the first gear, clutch shaft bearing, the first axle, angular encoder, the second axle, mounting bracket, the 3rd axle, the second bearing, the first spacer ring, the second gear, the second spacer ring, the 3rd bearing, bearing block, blind flange, flange, the 3rd gear and the 3rd spacer ring; Motor is connected with mounting mat by screw, and its output shaft and reductor are connected, and mounting mat and reductor are connected by screw on transmission case body; The first gear and the 3rd gear mesh by end-tooth, connect to form gear train by screw, spring washer behind the first axle location, and wherein spring washer is used for locking; This gear train one end is connected with reductor by screw, the other end is arranged in the dead eye of transmission case body after clutch shaft bearing is installed in.
Bearing block is connected with transmission case body by screw, and mounting bracket is connected with transmission case body, arranges the 3rd bearing in bearing block; Since the middle part of the 3rd axle, the second gear is installed successively to the back-end, the first spacer ring, the second bearing, the 3rd spacer ring, and by locking nut, lock.The second gear is connected by key with the 3rd axle, and the second bearing outer rim coordinates with transmission case body, plays the effect of supporting the 3rd axle.The front end of the 3rd axle is equipped with flange, is used for the location and installation of electric main shaft; There is the second axle the rear end of the 3rd axle by the axle location and installation, and the second axle is connected with the 3rd axle by screw, and final connection angle encoder.
As a further improvement on the present invention, be provided with respectively end-tooth and straight-tooth on the first gear and the 3rd gear, by end-tooth, the first gear and the 3rd gear meshed.
As a further improvement on the present invention, straight-tooth part on the first gear and the 3rd gear is respectively at adjacent two tooth laminatings on the second gear, no matter main shaft rotating, the first gear and the 3rd gear all with the second gear gapless engagement, thereby ensured the gap transmission that disappears of transmission case power shaft.
As a further improvement on the present invention, in the 3rd bearing, steel ring coordinates with the 3rd axle, and the 3rd bearing outer rim compresses by step part in blind flange and bearing block, and in the 3rd bearing, steel ring one end is close to the step part on the 3rd axle, the other end after the second spacer ring is installed, is installed locking nut locking.
Compared with the prior art the present invention has the following advantages:
The present invention is simple and reasonable for structure; Wherein the gap that disappears in gap eliminating transmission case partly adopts the frame mode of processing transmission straight-tooth after end-tooth dislocation engagement, and the method is compared and adopted the helical teeth gap transmission that disappears, and has avoided the damage of helical teeth axial force to motor; This gap eliminating transmission case adopts segmented output shaft pre-pressing structure, compares the structure that adopts the output shaft integral pre-tightening, and this frame mode can prevent the transmission case distortion, guarantees transmission accuracy.
Description of drawings
Fig. 1 is structural representation of the present invention.
The specific embodiment
Following the present invention is further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1, comprise mainly and being formed by transmission case body 3, the first gear 4, clutch shaft bearing 5, the first axle 6, screw 7, spring washer 8, angular encoder 10, the second axle 11, mounting bracket 12, the 3rd axle 13, locking nut 14, the second bearing 15, the first spacer ring 16, the second gear 17, locking nut 18, the second spacer ring 19, the 3rd bearing 20, bearing block 21, blind flange 22, flange 23, the 3rd gear 25 and the 3rd spacer ring 26.
Swinging head main spindle box of the present invention is the spindle swing gap eliminating transmission case technology that adopts my company's independent research, and this swinging head main spindle box partly is comprised of electric main shaft, axle oscillating motor, angular encoder and gap eliminating transmission case etc.
Motor 1 is connected with mounting mat 2 by screw, and its output shaft coordinates with reductor 9, and mounting mat and reductor 9 are connected by screw on transmission case body 3.Gear 4 and the 3rd gear 25 mesh by end-tooth, connect to form gear train by screw 7, spring washer 8 after the first axle 6 location are installed, and wherein spring washer 8 is used for locking; This gear train one end is connected with reductor 9 by screw, the other end is arranged in the dead eye of transmission case body 3 after clutch shaft bearing 5 is installed in.
All be designed with simultaneously end-tooth and straight-tooth on the first gear 4 and the 3rd gear 25, work in-process, at first complete the processing of end-tooth in the first gear 4 and the 3rd gear 25, then by end-tooth, the first gear 4 and the 3rd gear 25 are meshed, and at uniform three tooth flank pad one pads, make the first gear 4 with the 3rd gear 25 is relative turn over certain angle after, reprocessing straight-tooth; When reality is used, take out pad, end-tooth on the first gear 4 and the 3rd gear 25 is directly meshed, so just make relative dislocation of straight-tooth on the first gear 4 and the 3rd gear 25, when with the second gear 17 engagement, so no matter the straight-tooth part on the first gear 4 and the 3rd gear 25 respectively at adjacent two tooth laminatings on the second gear 17, main shaft rotating, the first gear 4 and the 3rd gear 25 all with the second gear 17 tight meshs, thereby ensured the gap transmission that disappears of transmission case power shaft.
Since the middle part of the 3rd axle 13, the second gear 17, the first spacer rings 16, the second bearing 15, the 3rd spacer ring 26 are installed successively to the back-end, and by locking nut 14 lockings.The second gear 17 is connected by key with the 3rd axle 13, and the second bearing 15 outer rims coordinate with transmission case body 3, plays the effect of supporting the 3rd axle 13.The front end of the 3rd axle 13 is equipped with flange 23, is used for the location and installation of electric main shaft 24; The rear end of the 3rd axle 13 has the second axle 11, the second axles 11 to be connected with the 3rd axle 13 by screw by the axle location and installation, and final connection angle encoder 10, and angular encoder 10 is arranged on the second axle 11.
This swinging head main spindle box is when completing wobbling action, and motor 1 passes through reductor 9 driven gear groups rotations, and by the second gear 17 with the gear train engagement, drives the 3rd axles 13, and the electric main shaft 24 that final assurance is arranged on the 3rd axle 13 is completed wobbling action.
Claims (4)
1. a swinging head main spindle box, is characterized in that: comprise transmission case body (3), the first gear (4), clutch shaft bearing (5), the first axle (6), angular encoder (10), the second axle (11), mounting bracket (12), the 3rd axle (13), the second bearing (15), the first spacer ring (16), the second gear (17), the second spacer ring (16), the 3rd bearing (20), bearing block (21), blind flange (22), flange (23), the 3rd gear (25) and the 3rd spacer ring (26); Motor (1) is connected with mounting mat (2) by screw, and its output shaft and reductor (9) are connected, and mounting mat (2) is connected by screw on transmission case body (3) with reductor (9); The first gear (4) connects to form gear train by screw (7), spring washer (8) after being arranged on respectively the upper location of the first axle (6) with the 3rd gear (25), this gear train one end is connected with reductor (9) by screw, the other end is arranged in the dead eye of transmission case body (3) after clutch shaft bearing (5) is installed in; Bearing block (21) is connected with transmission case body (3) by screw, mounting bracket (12) is connected with transmission case body (3), arrange the 3rd bearing (20) in bearing block (21), from the middle part of the 3rd axle (13), the second gear (17) is installed successively to the back-end, the first spacer ring (16), the second bearing (15), the 3rd spacer ring (26), and by locking nut (14) locking; The second gear (17) is connected by key with the 3rd axle (13); Front end at the 3rd axle (13) is equipped with flange (23), is used for the location and installation of electric main shaft (24); There is the second axle (11) rear end of the 3rd axle (13) by the axle location and installation, and the second axle (11) is connected with the 3rd axle (13) by screw, and angular encoder (10) is arranged on the second axle (11).
2. a kind of swinging head main spindle box as claimed in claim 1, is characterized in that: be provided with respectively end-tooth and straight-tooth on described the first gear (4) and the 3rd gear (25), by end-tooth, the first gear (4) and the 3rd gear (25) meshed.
3. a kind of swinging head main spindle box as claimed in claim 2, it is characterized in that: described the first gear (4) is fitted with upper adjacent two teeth of the second gear (17) respectively with the straight-tooth part on the 3rd gear (25), no matter main shaft rotating, the first gear (4) and the 3rd gear (25) all with the second gear (17) tight mesh, ensured the gap transmission that disappears of transmission case power shaft.
4. a kind of swinging head main spindle box as claimed in claim 1, it is characterized in that: the interior steel ring of described the 3rd bearing (20) coordinates with the 3rd axle (13); The 3rd bearing (20) outer rim compresses by the middle step part of blind flange (22) and bearing block (21), interior steel ring one end of the 3rd bearing (20) is close to the step part on the 3rd axle (13), the other end after the second spacer ring (19) is installed, is installed locking nut (18) locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102312579A CN102699353B (en) | 2012-07-04 | 2012-07-04 | Main spindle box for swing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102312579A CN102699353B (en) | 2012-07-04 | 2012-07-04 | Main spindle box for swing head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102699353A CN102699353A (en) | 2012-10-03 |
| CN102699353B true CN102699353B (en) | 2013-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102312579A Expired - Fee Related CN102699353B (en) | 2012-07-04 | 2012-07-04 | Main spindle box for swing head |
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| CN (1) | CN102699353B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016119821A1 (en) * | 2016-10-18 | 2018-04-19 | Franz Kessler Gmbh | motor spindle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310737A (en) * | 1989-06-05 | 1991-01-18 | Osaka Kiko Co Ltd | Spindle head for machine tool |
| WO1997010071A1 (en) * | 1995-09-14 | 1997-03-20 | Wenyuan Shao | A composite-machining center |
| CN101700620A (en) * | 2009-11-11 | 2010-05-05 | 南京工业大学 | Large gantry polar-coordinate digital-control milling, hobbing and grinding gear combined machine |
| CN201824027U (en) * | 2010-10-29 | 2011-05-11 | 四川普什宁江机床有限公司 | High-precision cylindrical gear pair capable of controlling transmission clearance |
| CN202684106U (en) * | 2012-07-04 | 2013-01-23 | 无锡桥联数控机床有限公司 | Spindle box of swing head |
-
2012
- 2012-07-04 CN CN2012102312579A patent/CN102699353B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0310737A (en) * | 1989-06-05 | 1991-01-18 | Osaka Kiko Co Ltd | Spindle head for machine tool |
| WO1997010071A1 (en) * | 1995-09-14 | 1997-03-20 | Wenyuan Shao | A composite-machining center |
| CN101700620A (en) * | 2009-11-11 | 2010-05-05 | 南京工业大学 | Large gantry polar-coordinate digital-control milling, hobbing and grinding gear combined machine |
| CN201824027U (en) * | 2010-10-29 | 2011-05-11 | 四川普什宁江机床有限公司 | High-precision cylindrical gear pair capable of controlling transmission clearance |
| CN202684106U (en) * | 2012-07-04 | 2013-01-23 | 无锡桥联数控机床有限公司 | Spindle box of swing head |
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| Publication number | Publication date |
|---|---|
| CN102699353A (en) | 2012-10-03 |
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