CN204308215U - A kind of supporting construction of main shaft swivel joint - Google Patents
A kind of supporting construction of main shaft swivel joint Download PDFInfo
- Publication number
- CN204308215U CN204308215U CN201420783794.9U CN201420783794U CN204308215U CN 204308215 U CN204308215 U CN 204308215U CN 201420783794 U CN201420783794 U CN 201420783794U CN 204308215 U CN204308215 U CN 204308215U
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- China
- Prior art keywords
- swivel joint
- sliding axle
- main shaft
- axle
- ball bearing
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Abstract
The utility model discloses a kind of supporting construction of main shaft swivel joint, its rotary support mechanism comprises sliding axle, turning set and be set in the pair of horns contact ball bearing in outside of sliding axle, turning set is fixed on the inner ring of angular contact ball bearing, the inner side of turning set offers keyway, sliding axle is provided with driving key, the length of keyway is greater than transmission key length, the outer ring of angular contact ball bearing is compressed by gland, the other end is locked by locking nut, one end of sliding axle is connected with connecting axle, the other end of sliding axle is connected with swivel joint through gland, the inside of connecting axle offers the first central light aperture, the inside of sliding axle offers the second central light aperture, second central light aperture is connected with swivel joint, swivel joint, sliding axle, connecting axle, broaching tool bar and main shaft are coaxially arranged.The utility model can reduce the vibration in swivel joint high-speed rotation, and can share the certain oscillating load power of swivel joint, extends the service life of swivel joint.
Description
Technical field
The utility model relates to the supporting construction of main shaft in high-speed cutting manufacture field, specifically a kind of supporting construction of main shaft swivel joint.
Background technology
Add man-hour carrying out deep hole etc., because the external refrigeration cutting fluid on machine tool cannot be ejected into the inside of machining hole, processing cooling effect can not be reached, and then the temperature of cutting position sharply rises, and affects cutting ability and cutter life.And central water outlet main shaft is cooled by central water outlet, cold namely, can meet the cooling requirement of deep hole machining, main shaft loads onto cutter when carrying out machining, cooling fluid from the inner process of main shaft, from point of a knife ejection, cooling cutter and workpiece.Possess the main shaft of central water outlet function, because main shaft is in High Rotation Speed state man-hour adding, and cooling fluid is before leading to main shaft inside, and its transfer pipeline is non-rotating part, and swivel joint is a kind of part realizing two states and connect.Swivel joint be usually installed on main shaft tail and with the intracavity inter-connection of the connecting axle be connected on main shaft, and main shaft is loose, the knife striking cylinder of folder cutter is placed in main shaft tail too, and structurally, knife striking cylinder needs more near main shaft, so the position of swivel joint needs naturally relatively away from main shaft.Due to away from main shaft, the axiality made between swivel joint and main shaft is produced deviation by the processing cumulative errors of part, and under high-speed rotation, swivel joint will produce larger vibration, causes the swivel joint life-span to decline.
Summary of the invention
Technical problem to be solved in the utility model is: for the deficiencies in the prior art, a kind of supporting construction of main shaft swivel joint is provided, this supporting construction can reduce the vibration in swivel joint high-speed rotation, and the oscillating load power that swivel joint is certain can be shared, extend the service life of swivel joint.
The utility model solves the problems of the technologies described above adopted technical scheme: a kind of supporting construction of main shaft swivel joint, comprise the tubular pedestal of rotary support mechanism and both ends open, rear-end of spindle is fixed in one end of described pedestal, the rear end of main shaft and broaching tool bar is stretched in described pedestal, knife striking cylinder piston is installed in described pedestal, described knife striking cylinder piston is near described broaching tool bar, the port of the other end of described pedestal is provided with gland, described rotary support mechanism comprises the sliding axle of the other end being arranged on described pedestal, turning set and pair of horns contact ball bearing, described pair of horns contact ball bearing is set in the outside of described sliding axle, described turning set is fixed on the inner ring of described pair of horns contact ball bearing, described turning set is connected with described slip axle key, the inner side of described turning set offers keyway, described sliding axle is provided with driving key, the length of described keyway is greater than described transmission key length, the outer ring of described pair of horns contact ball bearing is compressed by described gland, the other end of described pair of horns contact ball bearing is locked by locking nut, described locking nut is arranged on described pedestal, described broaching tool bar is connected with a connecting axle, one end of described sliding axle is connected with described connecting axle, the other end of described sliding axle is connected with swivel joint through described gland, the inside of described connecting axle offers the first central light aperture for transmitting cooling fluid, the inside of described sliding axle offers the second central light aperture be connected with the first described central light aperture, the second described central light aperture is connected with described swivel joint, described swivel joint, described sliding axle, described connecting axle, described broaching tool bar and described main shaft are coaxially arranged.
Add man-hour, knife striking cylinder piston is movable under the effect of knife striking cylinder, and then promotion broaching tool bar moves forward and backward, and drive connecting axle to move while the movement of broaching tool bar, connecting axle drives sliding axle along keyway slide anteroposterior again, realizes the function that slides axially of sliding axle.In addition, sliding axle is connected with turning set by driving key, by driving key transmitting torque, can realize the synchronous axial system function with main shaft.Swivel joint, sliding axle, connecting axle, broaching tool bar and main shaft are coaxially arranged, and can reduce the vibration in swivel joint high-speed rotation.The utility model can also share the certain oscillating load power of swivel joint, extends the service life of swivel joint.
The rear end of described sliding axle is provided with sealed waterproof mechanism.Because swivel joint connects high-pressure coolant usually, easily leak, therefore can play the effect preventing cooling fluid from leaking after the rear end of sliding axle arranges sealed waterproof mechanism.
Described sealed waterproof mechanism comprises water deflector cover, described water deflector cover is threaded with the rear end of described sliding axle, described water deflector cover compresses locking by holding screw, described holding screw is located on the sidewall of described water deflector cover, described water deflector cover offers towards the annular groove of described gland, described gland is wholely set the annular boss stretching to described annular groove, described annular groove and described annular boss form labyrinth waterproof structure.Annular groove and annular boss form labyrinth waterproof structure can be played and seal and waterproof effect preferably.
First sealing ring is installed between described sliding axle and described water deflector cover, the second sealing ring is installed between described sliding axle and described connecting axle.On the basis of labyrinth waterproof structure, the first sealing ring and the second sealing ring can play further water-tight effect.
Described pedestal comprises base seat support, end cap and fixed support, rear-end of spindle is fixed on by screw in one end of described base seat support, described knife striking cylinder piston is arranged in described base seat support, described end cap is by the other end of screw fastening in described base seat support, described fixed support is bolted and is installed on described end cap, described support bracket fastened endoporus coordinates with described end cover clearance feels relieved, and described rotary support mechanism is arranged on described support bracket fastened rear end.Pedestal is split as multiple part, is convenient to processing and installs, being conducive to the axiality guaranteeing swivel joint and rear-end of spindle.
Between described pair of horns contact ball bearing, bearing spacer is installed.Spacer is for adjusting the pretightning force of two angular contact ball bearings.
Compared with prior art, the utility model has the advantage of: the supporting construction of main shaft swivel joint disclosed in the utility model, for the support of the swivel joint far away with main shaft mounting distance, the vibration in swivel joint high-speed rotation can be reduced, and the oscillating load power that swivel joint is certain can be shared, extend the service life of swivel joint.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment supporting construction;
Fig. 2 is A place enlarged drawing in Fig. 1.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
The supporting construction of main shaft swivel joint as shown in the figure, comprise the tubular pedestal of rotary support mechanism and both ends open, pedestal comprises base seat support 11, end cap 12 and fixed support 13, rear-end of spindle is fixed on by screw in one end of base seat support 11, the rear end of main shaft 3 and broaching tool bar 31 is stretched in base seat support 11, knife striking cylinder piston 32 to be arranged in base seat support 11 and near broaching tool bar 31, end cap 12 is by the other end of screw fastening in base seat support 11, fixed support 13 is bolted and is installed on end cap 12, endoporus and end cap 12 matched in clearance of fixed support 13 are felt relieved, the port of the rear end of fixed support 13 is provided with gland 14, rotary support mechanism is arranged on the rear end of fixed support 13.
Rotary support mechanism comprises the sliding axle 21 of the rear end being arranged on fixed support 13, turning set 22 and pair of horns contact ball bearing 23, bearing spacer 24 is installed between pair of horns contact ball bearing 23, pair of horns contact ball bearing 23 is set in the outside of sliding axle 21, turning set 22 is fixed on the inner ring of pair of horns contact ball bearing 23, turning set 22 is connected with sliding axle 21 key, the inner side of turning set 22 offers keyway 25, sliding axle 21 is connected by screw driving key 26, the length of keyway 25 is greater than the length of driving key 26, the outer ring of pair of horns contact ball bearing 23 is compressed by gland 14, the other end of pair of horns contact ball bearing 23 is locked by locking nut 27, locking nut 27 is arranged on fixed support 13, broaching tool bar 31 is connected with a connecting axle 33, one end of sliding axle 21 is connected with connecting axle 33, the other end of sliding axle 21 is connected with swivel joint 4 through gland 14, the inside of connecting axle 33 offers the first central light aperture 34 for transmitting cooling fluid, the inside of sliding axle 21 offers the second central light aperture 28 be connected with the first central light aperture 34, second central light aperture 28 is connected with swivel joint 4, swivel joint 4, sliding axle 21, connecting axle 33, broaching tool bar 31 and main shaft 3 are coaxially arranged.
The rear end of sliding axle 21 is provided with sealed waterproof mechanism, sealing proof mechanism of water comprises water deflector cover 51, water deflector cover 51 is threaded with the rear end of sliding axle 21, first sealing ring 52 is installed between sliding axle 21 and water deflector cover 51, second sealing ring 29 is installed between sliding axle 21 and connecting axle 33, water deflector cover 51 compresses locking by holding screw 53, holding screw 53 is located on the sidewall of water deflector cover 51, water deflector cover 51 offer towards the annular groove 54 of gland 14, gland 14 is wholely set the annular boss 15 stretching to annular groove 54, annular groove 54 and annular boss 15 form labyrinth waterproof structure.
Claims (6)
1. the supporting construction of a main shaft swivel joint, it is characterized in that the tubular pedestal comprising rotary support mechanism and both ends open, rear-end of spindle is fixed in one end of described pedestal, the rear end of main shaft and broaching tool bar is stretched in described pedestal, knife striking cylinder piston is installed in described pedestal, described knife striking cylinder piston is near described broaching tool bar, the port of the other end of described pedestal is provided with gland, described rotary support mechanism comprises the sliding axle of the other end being arranged on described pedestal, turning set and pair of horns contact ball bearing, described pair of horns contact ball bearing is set in the outside of described sliding axle, described turning set is fixed on the inner ring of described pair of horns contact ball bearing, described turning set is connected with described slip axle key, the inner side of described turning set offers keyway, described sliding axle is provided with driving key, the length of described keyway is greater than described transmission key length, the outer ring of described pair of horns contact ball bearing is compressed by described gland, the other end of described pair of horns contact ball bearing is locked by locking nut, described locking nut is arranged on described pedestal, described broaching tool bar is connected with a connecting axle, one end of described sliding axle is connected with described connecting axle, the other end of described sliding axle is connected with swivel joint through described gland, the inside of described connecting axle offers the first central light aperture for transmitting cooling fluid, the inside of described sliding axle offers the second central light aperture be connected with the first described central light aperture, the second described central light aperture is connected with described swivel joint, described swivel joint, described sliding axle, described connecting axle, described broaching tool bar and described main shaft are coaxially arranged.
2. the supporting construction of a kind of main shaft swivel joint according to claim 1, is characterized in that the rear end of described sliding axle is provided with sealed waterproof mechanism.
3. the supporting construction of a kind of main shaft swivel joint according to claim 2, it is characterized in that described sealed waterproof mechanism comprises water deflector cover, described water deflector cover is threaded with the rear end of described sliding axle, described water deflector cover compresses locking by holding screw, described holding screw is located on the sidewall of described water deflector cover, described water deflector cover offers towards the annular groove of described gland, described gland is wholely set the annular boss stretching to described annular groove, described annular groove and described annular boss form labyrinth waterproof structure.
4. the supporting construction of a kind of main shaft swivel joint according to claim 3, is characterized in that being provided with the first sealing ring between described sliding axle and described water deflector cover, is provided with the second sealing ring between described sliding axle and described connecting axle.
5. the supporting construction of a kind of main shaft swivel joint according to any one of claim 1-4, it is characterized in that described pedestal comprises base seat support, end cap and fixed support, rear-end of spindle is fixed on by screw in one end of described base seat support, described knife striking cylinder piston is arranged in described base seat support, described end cap is by the other end of screw fastening in described base seat support, described fixed support is bolted and is installed on described end cap, described support bracket fastened endoporus coordinates with described end cover clearance feels relieved, described rotary support mechanism is arranged on described support bracket fastened rear end.
6. the supporting construction of a kind of main shaft swivel joint according to any one of claim 1-4, is characterized in that being provided with bearing spacer between described pair of horns contact ball bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420783794.9U CN204308215U (en) | 2014-12-11 | 2014-12-11 | A kind of supporting construction of main shaft swivel joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420783794.9U CN204308215U (en) | 2014-12-11 | 2014-12-11 | A kind of supporting construction of main shaft swivel joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204308215U true CN204308215U (en) | 2015-05-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420783794.9U Withdrawn - After Issue CN204308215U (en) | 2014-12-11 | 2014-12-11 | A kind of supporting construction of main shaft swivel joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204308215U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078302A (en) * | 2016-08-18 | 2016-11-09 | 北京超同步伺服股份有限公司 | Electronic knife striking cylinder and the encoder for electronic knife striking cylinder |
| CN107932322A (en) * | 2017-12-06 | 2018-04-20 | 贵州西南工具(集团)有限公司 | A kind of large torque grinding machine spindle water-mist-proof method and structure |
| CN109500411A (en) * | 2017-09-14 | 2019-03-22 | 弗朗茨凯斯勒股份有限公司 | For having the electro spindle of integrated cooling and rotation feed-through module lathe |
| CN110153447A (en) * | 2019-04-29 | 2019-08-23 | 宁波海天精工股份有限公司 | A kind of direct-connected main-shaft core water flowing out structure of vertical machining centre |
| CN110187466A (en) * | 2019-04-20 | 2019-08-30 | 长沙麓邦光电科技有限公司 | Mirror holder and mirror holder lock |
-
2014
- 2014-12-11 CN CN201420783794.9U patent/CN204308215U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078302A (en) * | 2016-08-18 | 2016-11-09 | 北京超同步伺服股份有限公司 | Electronic knife striking cylinder and the encoder for electronic knife striking cylinder |
| CN109500411A (en) * | 2017-09-14 | 2019-03-22 | 弗朗茨凯斯勒股份有限公司 | For having the electro spindle of integrated cooling and rotation feed-through module lathe |
| CN107932322A (en) * | 2017-12-06 | 2018-04-20 | 贵州西南工具(集团)有限公司 | A kind of large torque grinding machine spindle water-mist-proof method and structure |
| CN107932322B (en) * | 2017-12-06 | 2023-11-07 | 贵州西南工具(集团)有限公司 | Method and structure for preventing main shaft of large-torque grinding machine from being fogged |
| CN110187466A (en) * | 2019-04-20 | 2019-08-30 | 长沙麓邦光电科技有限公司 | Mirror holder and mirror holder lock |
| CN110153447A (en) * | 2019-04-29 | 2019-08-23 | 宁波海天精工股份有限公司 | A kind of direct-connected main-shaft core water flowing out structure of vertical machining centre |
| CN110153447B (en) * | 2019-04-29 | 2024-02-02 | 宁波海天精工股份有限公司 | Vertical machining center directly links formula main shaft center play water structure |
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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: 20150506 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20150506 Effective date of abandoning: 20230627 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |