CN202684106U - Spindle box of swing head - Google Patents
Spindle box of swing head Download PDFInfo
- Publication number
- CN202684106U CN202684106U CN 201220321781 CN201220321781U CN202684106U CN 202684106 U CN202684106 U CN 202684106U CN 201220321781 CN201220321781 CN 201220321781 CN 201220321781 U CN201220321781 U CN 201220321781U CN 202684106 U CN202684106 U CN 202684106U
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- gear
- axle
- bearing
- shaft
- screw
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Abstract
The utility model relates to a spindle box of a swing head. A motor is connected with a mounting pad through a screw; an output shaft of the spindle box is in fit connection with a reducer that is connected with a transmission box body through a screw; a first gear and a third gear are respectively mounted on a first shaft and located, then connected together through a screw and a spring washer to form a gear set; a bearing seat is connected with the transmission box body through a screw; a mounting bracket is connected with the transmission box body; a third bearing is arranged in the bearing seat; a second gear is in key connection with a third shaft; an outer steel ring of a second bearing is fit with the transmission box body to support the third shaft; a flange is mounted at the front end of the third shaft for locating and fixing the electric spindle; a second shaft is mounted on the rear end of the third shaft through shaft location; and the second shaft is connected with the third shaft through a screw, and finally connected with an angle coder. The spindle box is simple and reasonable in structure, avoids damage to the motor due to the helical tooth axial force, can prevent deformation of the transmission case, and can ensure the transmission precision.
Description
Technical field
The utility model relates to a kind of swinging head main spindle box, specifically is used for overhead viaduct type five-axle linkage machining tool, and the guarantee swinging head can accurately be finished 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 can finish complex-curved processing, have broad application prospects in industries such as Aero-Space, boats and ships.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 finished five-axle linkage processing, the rotating shaft that increases relative X, Y, Z three basic axle that then adopts that has is finished 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 crack transmission and output shaft integral pre-tightening of helical gear.Although the helical gear gap-eliminating structure can effectively be eliminated drive gap, because helical gear can produce axial force when transmission, have a strong impact on the service life of motor; And output shaft integral pre-tightening structure causes the transmission case distortion because pretightning force acts directly on the transmission case body, causes transmission accuracy to be difficult to control.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned weak point, thereby a kind of rational swinging head headstock structure is provided, and this headstock structure adopts helical teeth crack transmission that disappears, and can avoid the helical teeth axial force to the damage of motor; And can prevent the transmission case distortion, can guarantee transmission accuracy.
According to the technical scheme that the utility model provides, 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, and the other end is arranged in the dead eye of transmission case body after clutch shaft bearing is installed.
Bearing block is connected with transmission case body by screw, and mounting bracket is connected with transmission case body, arranges the 3rd bearing in the 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 lock by locking nut.The second gear is connected by key with the 3rd axle, and the second bearing outer rim cooperates 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 further improvement of the utility model, 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 are meshed.
As further improvement of the utility model, straight-tooth part on the first gear and the 3rd gear is fitted respectively at adjacent two teeth on the second gear, no matter main shaft rotating, the first gear and the 3rd gear all with the engagement of the second gear gapless, thereby ensured the crack transmission that disappears of transmission case power shaft.
As further improvement of the utility model, steel ring cooperates with the 3rd axle in the 3rd bearing, the 3rd bearing outer rim compresses by step part in blind flange and the bearing block, steel ring one end is close to the step part on the 3rd axle in the 3rd bearing, the other end is installed locking nut locking after the second spacer ring is installed.
Compared with the prior art the utility model has the following advantages:
The utility model is simple and reasonable for structure; Wherein the crack part of disappearing in the gap eliminating transmission case adopts the frame mode of processing transmission straight-tooth after the end-tooth dislocation engagement, and the method is compared and adopted the helical teeth crack 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 the utility model structural representation.
The specific embodiment
Following the utility model is further described in connection with the embodiment in the 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.
The utility model swinging head main spindle box 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 cooperates 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 connect to form gear train by screw 7, spring washer 8 by the end-tooth engagement after the first axle 6 location are installed, wherein spring washer 8 is used for locking; This gear train one end is connected with reductor 9 by screw, and the other end is arranged in the dead eye of transmission case body 3 after clutch shaft bearing 5 is installed.
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 finish 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 pads, one pad, after making that the first gear 4 is relative with the 3rd gear 25 and turning over certain angle, the 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 so that relative dislocation of straight-tooth on the first gear 4 and the 3rd gear 25, when with 17 engagement of the second gear, so no matter the straight-tooth part on the first gear 4 and the 3rd gear 25 fits main shaft rotating respectively at adjacent two teeth on the second gear 17, the first gear 4 and the 3rd gear 25 all with the second gear 17 tight meshs, thereby ensured the crack 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 cooperate 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 installed on the second axle 11.
This swinging head main spindle box is when finishing wobbling action, and motor 1 rotates by reductor 9 driven gear groups, and drives the 3rd axle 13 by the second gear 17 with the gear train engagement, and the final electric main shaft 24 that is installed on the 3rd axle 13 that guarantees is finished 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) is installed in respectively to install with the 3rd gear (25) and connects to form gear train by screw (7), spring washer (5) after the first axle (6) is upward located, this gear train one end is connected with reductor (9) by screw, and the other end is arranged in the dead eye of transmission case body (3) after clutch shaft bearing (5) is installed; Bearing block (21) is connected with transmission case body (3) by screw, mounting bracket (12) be connected with transmission case body (3), arrange the 3rd bearing (20) in the 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 lockings; The second gear (17) is connected by key with 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 installed 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 1, it is characterized in that: described the first gear (4) is fitted respectively at upper adjacent two teeth of the second gear (17) 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 crack 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) cooperates 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 is installed locking nut (18) locking after the second spacer ring (19) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321781 CN202684106U (en) | 2012-07-04 | 2012-07-04 | Spindle box of swing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220321781 CN202684106U (en) | 2012-07-04 | 2012-07-04 | Spindle box of swing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202684106U true CN202684106U (en) | 2013-01-23 |
Family
ID=47539777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220321781 Withdrawn - After Issue CN202684106U (en) | 2012-07-04 | 2012-07-04 | Spindle box of swing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202684106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699353A (en) * | 2012-07-04 | 2012-10-03 | 无锡桥联数控机床有限公司 | Main spindle box for swing head |
| CN108772715A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of single pendulum direct-drive type AC yaws |
-
2012
- 2012-07-04 CN CN 201220321781 patent/CN202684106U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102699353A (en) * | 2012-07-04 | 2012-10-03 | 无锡桥联数控机床有限公司 | Main spindle box for swing head |
| CN102699353B (en) * | 2012-07-04 | 2013-11-13 | 无锡桥联数控机床有限公司 | Main spindle box for swing head |
| CN108772715A (en) * | 2018-08-01 | 2018-11-09 | 宁波海天精工股份有限公司 | A kind of single pendulum direct-drive type AC yaws |
| CN108772715B (en) * | 2018-08-01 | 2023-09-08 | 宁波海天精工股份有限公司 | Simple pendulum direct drive type AC pendulum head |
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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: 20130123 Effective date of abandoning: 20131113 |
|
| RGAV | Abandon patent right to avoid regrant |