CN111644640A - Be applied to turning attachment's rotatory oil separating mechanism - Google Patents
Be applied to turning attachment's rotatory oil separating mechanism Download PDFInfo
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- CN111644640A CN111644640A CN202010487346.4A CN202010487346A CN111644640A CN 111644640 A CN111644640 A CN 111644640A CN 202010487346 A CN202010487346 A CN 202010487346A CN 111644640 A CN111644640 A CN 111644640A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B25/00—Accessories or auxiliary equipment for turning-machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/0009—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts
- B23Q1/0018—Energy-transferring means or control lines for movable machine parts; Control panels or boxes; Control parts comprising hydraulic means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/12—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for securing to a spindle in general
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- Mechanical Engineering (AREA)
- Sliding-Contact Bearings (AREA)
Abstract
The invention discloses a rotary oil distribution mechanism applied to a lathe fixture, which comprises an oil distributor body, an oil distributor rotating shaft, an oil distribution shaft and a transition flange, the oil distributor comprises a main shaft fixing flange and a connecting disc, an oil distributor body is sleeved on the outer side of an oil distributor rotating shaft, a lathe main shaft is sleeved on the outer side of an oil distributor rotating shaft, the main shaft fixing flange is sleeved and fixed on the outer side of the lathe main shaft, the oil distributor rotating shaft, a transition flange and the main shaft fixing flange are sequentially and fixedly connected, the front end and the rear end of the oil distributor shaft are respectively and fixedly connected with the connecting disc and the transition flange, the connecting disc is fixed at the front end of the lathe main shaft, a plurality of oil inlet holes are formed in the side wall of the oil distributor body, each oil inlet hole is communicated with one oil way, a rotary joint interface is formed in the rear end of the oil distributor rotating shaft, and each oil way and a central air way sequentially. The mechanism has the advantages of stable and reliable structure, high assembly precision and good dynamic balance, and can avoid vibration of the oil distributing shaft in the machining process of the lathe.
Description
Technical Field
The invention relates to an oil separating shaft structure, in particular to a rotary oil separating mechanism applied to a lathe fixture.
Background
The oil distributing shaft is a common element in the machining field and is used for supplying hydraulic oil to relevant parts or workpieces. The existing oil distribution shaft mostly adopts a simple structure, a steel pipe is inserted into a pre-opened pore channel and serves as an oil conveying pipe, and the problems that the machining precision is not high, the steel pipe is easy to deform in the installation process, the steel pipe is easy to vibrate in the high-speed rotation process of the oil distribution shaft, the dynamic balance of the oil distribution shaft is poor, and oil leakage is easy to occur are solved.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: aiming at the defects of the prior art, the rotary oil distribution mechanism applied to the lathe fixture is stable and reliable in structure, high in assembly precision and good in dynamic balance.
The technical scheme adopted by the invention for solving the technical problems is as follows: a rotary oil distribution mechanism applied to a lathe fixture comprises an oil distributor body, an oil distributor rotating shaft, an oil distribution shaft, a transition flange, a main shaft fixing flange and a connecting disc which are transversely and coaxially arranged, wherein the oil distributor body is sleeved on the outer side of the oil distributor rotating shaft, a front bearing and a rear bearing are arranged between the oil distributor rotating shaft and the oil distributor body, the rear end of the oil distributor body is coaxially fixed with a gland, the gland compresses the outer ring of the rear bearing, the outer side of the oil distribution shaft is coaxially sleeved with a lathe main shaft, the main shaft fixing flange is coaxially sleeved and fixed on the outer side of the lathe main shaft, the oil distributor rotating shaft, the transition flange and the main shaft fixing flange are sequentially and fixedly connected, the front end and the rear end of the oil distribution shaft are respectively fixedly connected with the connecting disc and the transition flange, and the front end of the lathe main shaft is coaxially fixed with the connecting disc, the connecting disc is used for fixedly connecting a lathe fixture, a plurality of oil inlet holes are formed in the side wall of the oil distributor body, each oil inlet hole is communicated with one oil circuit, each oil circuit sequentially penetrates through the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc to be communicated with an oil inlet of the lathe fixture, a rotary joint interface is formed in the rear end of the oil distributor rotating shaft and communicated with a central air circuit, and the central air circuit sequentially penetrates through the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc to be communicated with an air inlet of the lathe fixture.
After the rotary oil distribution mechanism is assembled, a rotary joint is connected to a rotary joint interface at the rear end of a rotating shaft of the oil distributor, the front end of a connecting disc is fixedly connected with a lathe fixture clamped with a workpiece, after the rotary oil distribution mechanism is ready, hydraulic oil is introduced into a plurality of oil passages through a plurality of oil inlet holes, and pressure gas is introduced into a central gas passage through the rotary joint, so that the workpiece can be machined. In the machining process, the oil distributor body and the rotary joint are fixed, the oil distributor rotating shaft, the transition flange, the oil distributor and the main shaft fixing flange rotate along with the lathe main shaft, and hydraulic oil enters a multi-path oil path and enters a lathe fixture through the oil distributor rotating shaft, the transition flange, the oil distributor shaft and the connecting disc in sequence; the air flow enters the central air passage and then enters the lathe fixture through the rotating shaft of the oil separator, the transition flange, the oil separating shaft and the connecting disc. The rotary oil distribution mechanism can simultaneously introduce a plurality of oil paths and a gas path into a lathe fixture, has stable and reliable structure, high assembly precision and good dynamic balance, and can avoid the vibration of an oil distribution shaft in the process of machining a lathe.
Preferably, the outer surface of the oil separator rotating shaft is provided with a plurality of ring grooves, each ring groove is arranged around the circumferential direction of the oil separator rotating shaft, the plurality of ring grooves are arranged along the axial direction of the oil separator rotating shaft at intervals, and each ring groove is communicated with one oil inlet hole and one oil way. The design of the annular groove is beneficial to introducing hydraulic oil into an oil path, and ensures that each oil inlet is always communicated with each oil path in the rotating process of the rotating shaft of the oil separator.
Further, the internal surface of the oil distributor body be equipped with annular first oil trap and second oil trap, first oil trap and second oil trap encircle respectively the circumferencial direction setting of oil distributor body, first oil trap be located the front side of a plurality of annulars and be close to the front bearing, the second oil trap be located the rear side of a plurality of annulars and be close to the rear bearing, the bottom of the lateral wall of oil distributor body seted up connecting hole and draining hole, the connecting hole follow the axial setting of oil distributor body, the front end and the rear end of connecting hole respectively with first oil trap with the second oil trap communicate with each other, draining hole with the connecting hole communicate with each other. In the process of high-speed rotation of the lathe spindle, when oil permeates into a contact surface between the oil distributor body and the rotating shaft of the oil distributor, the first oil collecting tank and the second oil collecting tank can provide a buffer space to play a role in collecting the oil, the collected oil flows into the connecting hole and is discharged from the oil drainage port, and adverse effects caused by the fact that the oil enters the front bearing and the rear bearing are avoided.
Furthermore, the outer surface of the oil separator rotating shaft is provided with a plurality of annular first drainage grooves and a plurality of annular second drainage grooves, the plurality of first drainage grooves are over against the first oil collecting groove and are sequentially arranged along the axial direction of the oil separator rotating shaft, the plurality of second drainage grooves are over against the second oil collecting groove and are sequentially arranged along the axial direction of the oil separator rotating shaft, each first drainage groove and each second drainage groove are respectively arranged around the circumferential direction of the oil separator rotating shaft, the cross section of each first drainage groove is in a V shape formed by a first straight edge and a first inclined edge when viewed from the cross section of each first drainage groove, the first straight edge is close to the front bearing, and the first inclined edge is inclined to the front end of the oil separator rotating shaft; and when viewed from the cross section of each second drainage groove, the cross section of each second drainage groove is V-shaped formed by a second straight edge and a second oblique edge, the second straight edge is close to the rear bearing, and the second oblique edge is oblique to the rear end of the oil separator rotating shaft. The design of the first drainage groove is beneficial to preventing the oil which permeates into the contact surface between the oil distributor body and the oil distributor rotating shaft from flowing to the front bearing as much as possible, and similarly, the design of the first drainage groove is beneficial to preventing the oil which permeates into the contact surface between the oil distributor body and the oil distributor rotating shaft from flowing to the rear bearing as much as possible, so that the front bearing and the rear bearing are well protected.
Preferably, each oil path comprises a first oil hole, a second oil hole, a third oil hole and a fourth oil hole which are sequentially communicated and coaxially arranged and are finish-machined, and the first oil hole, the second oil hole, the third oil hole and the fourth oil hole are respectively formed along the axial direction of the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc; the central gas circuit comprises a first central gas hole, a second central gas hole, a third central gas hole and a fourth central gas hole which are sequentially communicated and coaxially arranged and are finely processed, and the first central gas hole, the second central gas hole, the third central gas hole and the fourth central gas hole are respectively formed along the axial direction of the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc.
Furthermore, a plurality of first sealing rings are arranged between the oil distributor rotating shaft and the transition flange in a pressing mode, a first sealing ring is arranged at the joint of each first oil hole and each second oil hole, and a first sealing ring is arranged at the joint of the first central air hole and the second central air hole; a plurality of second sealing rings are arranged between the transition flange and the oil distributing shaft in a pressing mode, and one second sealing ring is arranged at the joint of each second oil hole and each third oil hole; a plurality of third sealing rings are arranged between the oil distribution shaft and the connecting disc in a pressing mode, and one third sealing ring is arranged at the joint of each third oil hole and each fourth oil hole; the front end of the connecting disc is provided with a plurality of fourth sealing rings, and the front end of each fourth oil hole and the front end of each fourth central air hole are respectively provided with one fourth sealing ring. By adopting the design of the end face seal, the sealing effect on a plurality of oil paths and one air path can be ensured, and the oil leakage and the air leakage of the mechanism can be effectively prevented.
Furthermore, a first centering hole which is concave backwards is coaxially formed in the front end of the oil distributor rotating shaft, a first positioning boss is integrally and coaxially arranged at the rear end of the transition flange, and a spigot of the first positioning boss is centered in the first centering hole; a second centering hole which is concave backwards is coaxially formed in the front end of the transition flange, a second positioning boss is integrally and coaxially arranged at the rear end of the oil distribution shaft, a spigot of the second positioning boss is centered in the second centering hole, and a fifth sealing ring is tightly pressed between the outer surface of the second positioning boss and the inner wall of the second centering hole; the rear end of the connecting disc is coaxially provided with a forward concave third centering hole, the front end of the oil distribution shaft is integrally and coaxially provided with a third positioning boss, a spigot of the third positioning boss is centered in the third centering hole, and a sixth sealing ring is tightly pressed between the outer surface of the third positioning boss and the inner wall of the third centering hole. The design of the multi-spigot centering and sealing ring can further improve the assembly precision and the coaxiality of the mechanism, ensure the sealing effect on the central gas circuit and the dynamic balance of the mechanism, and ensure the stability and reliability in working.
Furthermore, a fourth centering hole which is concave backwards is coaxially formed in the front end of the transition flange, and a rear end spigot of the lathe spindle is centered in the fourth centering hole; the rear end of the connecting disc is coaxially provided with a centering taper hole which is concave forwards, the front end of the lathe spindle is integrally provided with a positioning frustum, and the conical surface of the positioning frustum is centered in the centering taper hole. The centering mode of combining the spigot centering and the conical surface centering can ensure the assembly precision of the lathe spindle, ensure the coaxiality of the connecting disc and the lathe fixture and ensure that a plurality of oil and a plurality of gas smoothly flow into the lathe fixture from the connecting disc.
Preferably, the oil separator rotating shaft, the transition flange and the main shaft fixing flange are fixedly connected through a plurality of screws in sequence, the front end and the rear end of the oil separating shaft are respectively fixedly connected with the connecting disc and the transition flange through a plurality of screws, and the lathe main shaft is fixedly connected with the connecting disc through a plurality of screws.
Furthermore, an adjusting gasket is arranged between the transition flange and the main shaft fixing flange in a pressing mode, the adjusting gasket is formed by splicing a plurality of adjusting gaskets, and each screw for connecting the transition flange and the main shaft fixing flange penetrates through the plurality of adjusting gaskets. The adjusting washer is used for adjusting the relative positions of the transition flange, the main shaft fixing flange and the oil distributing shaft, and the assembling precision is guaranteed. The adjusting gasket is designed to be formed by splicing a plurality of adjusting gaskets, so that the on-site assembly and the disassembly in the adjusting process are facilitated, and the mechanism assembly efficiency is improved.
Compared with the prior art, the invention has the advantages that: after the rotary oil distribution mechanism is assembled, a rotary joint is connected to a rotary joint interface at the rear end of a rotating shaft of the oil distributor, the front end of a connecting disc is fixedly connected with a lathe fixture clamped with a workpiece, after the rotary oil distribution mechanism is ready, hydraulic oil is introduced into a plurality of oil passages through a plurality of oil inlet holes, and pressure gas is introduced into a central gas passage through the rotary joint, so that the workpiece can be machined. In the machining process, the oil distributor body and the rotary joint are fixed, the oil distributor rotating shaft, the transition flange, the oil distributor and the main shaft fixing flange rotate along with the lathe main shaft, and hydraulic oil enters a multi-path oil path and enters a lathe fixture through the oil distributor rotating shaft, the transition flange, the oil distributor shaft and the connecting disc in sequence; the air flow enters the central air passage and then enters the lathe fixture through the rotating shaft of the oil separator, the transition flange, the oil separating shaft and the connecting disc. The rotary oil distribution mechanism can simultaneously introduce a plurality of oil paths and a gas path into a lathe fixture, has stable and reliable structure, high assembly precision and good dynamic balance, and can avoid the vibration of an oil distribution shaft in the process of machining a lathe.
Drawings
FIG. 1 is a front view of a rotary oil distribution mechanism in an embodiment;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of FIG. 2 at D;
FIG. 4 is an enlarged view of FIG. 2 at E;
FIG. 5 is an enlarged view at F of FIG. 2;
FIG. 6 is an enlarged view of FIG. 2 at G;
FIG. 7 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 8 is a cross-sectional view taken along line C-C of fig. 1.
Detailed Description
The invention is described in further detail below with reference to the accompanying examples.
The rotary oil distribution mechanism applied to a lathe fixture of embodiment 1 includes, as shown in the figure, an oil distributor 1, an oil distributor rotating shaft 2, an oil distribution shaft 3, a transition flange 4, a spindle fixing flange 51 and a connecting disc 6, which are horizontally and coaxially arranged, the oil distributor 1 is sleeved outside the oil distributor rotating shaft 2, a front bearing 21 and a rear bearing 22 are installed between the oil distributor rotating shaft 2 and the oil distributor 1, a gland 7 is coaxially fixed at the rear end of the oil distributor 1, the gland 7 compresses the outer ring of the rear bearing 22, a lathe spindle 5 is coaxially sleeved outside the oil distribution shaft 3, the spindle fixing flange 51 is coaxially sleeved and fixed outside the lathe spindle 5, the oil distributor rotating shaft 2, the transition flange 4 and the spindle fixing flange 51 are sequentially and fixedly connected, the front end and the rear end of the oil distribution shaft 3 are respectively fixedly connected with the connecting disc 6 and the transition flange 4, the front end of the lathe spindle 5 is coaxially fixed with the connecting disc 6, the connecting disc 6 is used for fixedly connecting a lathe fixture (not shown in the figure), four oil inlet holes 10 are formed in the side wall of the oil distributor body 1, each oil inlet hole 10 is communicated with one oil path, each oil path sequentially penetrates through the oil distributor rotating shaft 2, the transition flange 4, the oil distribution shaft 3 and the connecting disc 6 to be communicated with an oil inlet of the lathe fixture, a rotary joint interface 23 is formed in the rear end of the oil distributor rotating shaft 2 and communicated with a central air path, and the central air path sequentially penetrates through the oil distributor rotating shaft 2, the transition flange 4, the oil distribution shaft 3 and the connecting disc 6 to be communicated with an air inlet of the lathe fixture.
In embodiment 1, four ring grooves 24 are formed in the outer surface of the oil separator rotating shaft 2, each ring groove 24 is arranged around the circumference of the oil separator rotating shaft 2, the four ring grooves 24 are arranged at intervals along the axial direction of the oil separator rotating shaft 2, and each ring groove 24 is communicated with one oil inlet 10 and one oil path.
In embodiment 1, each oil path includes a first oil hole 81, a second oil hole 82, a third oil hole 83 and a fourth oil hole 84 which are sequentially communicated and coaxially arranged and are finish-machined, and the first oil hole 81, the second oil hole 82, the third oil hole 83 and the fourth oil hole 84 are respectively arranged along the axial direction of the oil separator rotating shaft 2, the transition flange 4, the oil separating shaft 3 and the connecting disc 6; the central gas path comprises a first central gas hole 91, a second central gas hole 92, a third central gas hole 93 and a fourth central gas hole 94 which are sequentially communicated and coaxially arranged and are finely machined, and the first central gas hole 91, the second central gas hole 92, the third central gas hole 93 and the fourth central gas hole 94 are respectively formed along the axial direction of the oil distributor rotating shaft 2, the transition flange 4, the oil distribution shaft 3 and the connecting disc 6. Five first sealing rings 25 are arranged between the oil separator rotating shaft 2 and the transition flange 4 in a pressing mode, a first sealing ring 25 is arranged at the joint of each first oil hole 81 and each second oil hole 82, and a first sealing ring 25 is arranged at the joint of the first central air hole 91 and the second central air hole 92; four second sealing rings 41 are arranged between the transition flange 4 and the oil distributing shaft 3 in a pressing mode, and one second sealing ring 41 is arranged at the joint of each second oil hole 82 and each third oil hole 83; four third sealing rings 61 are arranged between the oil distributing shaft 3 and the connecting disc 6 in a pressing mode, and one third sealing ring 61 is arranged at the joint of each third oil hole 83 and each fourth oil hole 84; the front end of the connecting disc 6 is provided with five fourth sealing rings 62, and the front end of each fourth oil hole 84 and the front end of the fourth central air hole 94 are respectively provided with one fourth sealing ring 62.
In the embodiment 1, the front end of the oil separator rotating shaft 2 is coaxially provided with a first centering hole 26 which is concave backwards, the rear end of the transition flange 4 is integrally and coaxially provided with a first positioning boss 42, and a spigot of the first positioning boss 42 is centered in the first centering hole 26; a second centering hole 43 which is concave backwards is coaxially formed in the front end of the transition flange 4, a second positioning boss 31 is integrally and coaxially arranged at the rear end of the oil distribution shaft 3, a spigot of the second positioning boss 31 is centered in the second centering hole 43, and a fifth sealing ring 32 is tightly pressed between the outer surface of the second positioning boss 31 and the inner wall of the second centering hole 43; a third centering hole 63 which is concave forwards is coaxially formed in the rear end of the connecting disc 6, a third positioning boss 33 is integrally and coaxially arranged at the front end of the oil distribution shaft 3, a spigot of the third positioning boss 33 is centered in the third centering hole 63, and a sixth sealing ring 34 is tightly pressed between the outer surface of the third positioning boss 33 and the inner wall of the third centering hole 63; a fourth centering hole 44 which is concave backwards is coaxially formed in the front end of the transition flange 4, and a rear end spigot of the lathe spindle 5 is centered in the fourth centering hole 44; the rear end of the connecting disc 6 is coaxially provided with a centering taper hole 64 which is concave forwards, the front end of the lathe spindle 5 is integrally provided with a positioning frustum 52, and the conical surface of the positioning frustum 52 is centered in the centering taper hole 64.
In embodiment 1, the oil separator rotating shaft 2, the transition flange 4 and the main shaft fixing flange 51 are fixedly connected with each other sequentially through a plurality of screws, the front end and the rear end of the oil separating shaft 3 are fixedly connected with the connecting disc 6 and the transition flange 4 respectively through a plurality of screws, and the lathe main shaft 5 is fixedly connected with the connecting disc 6 through a plurality of screws. An adjusting gasket is tightly pressed between the transition flange 4 and the main shaft fixing flange 51, the adjusting gasket is formed by splicing four adjusting gaskets 45, and each screw for connecting the transition flange 4 and the main shaft fixing flange 51 penetrates through the four adjusting gaskets 45.
The rotary oil distribution mechanism applied to a lathe fixture in embodiment 2 is different from embodiment 1 in that, in embodiment 2, an inner surface of an oil distributor body 1 is provided with a first oil collecting groove 11 and a second oil collecting groove 12 which are annular, the first oil collecting groove 11 and the second oil collecting groove 12 are respectively arranged around the circumferential direction of the oil distributor body 1, the first oil collecting groove 11 is positioned on the front side of four ring grooves 24 and close to a front bearing 21, the second oil collecting groove 12 is positioned on the rear side of the four ring grooves 24 and close to a rear bearing 22, the bottom of the side wall of the oil distributor body 1 is provided with a connecting hole 13 and an oil drainage hole 14, the connecting hole 13 is arranged along the axial direction of the oil distributor body 1, the front end and the rear end of the connecting hole 13 are respectively communicated with the first oil collecting groove 11 and the second oil collecting groove 12, and the oil drainage hole 14 is communicated with the; the outer surface of the oil separator rotating shaft 2 is provided with three annular first drainage grooves 27 and three annular second drainage grooves 28, the three first drainage grooves 27 are opposite to the first oil collecting groove 11 and are sequentially arranged along the axial direction of the oil separator rotating shaft 2, the three second drainage grooves 28 are opposite to the second oil collecting groove 12 and are sequentially arranged along the axial direction of the oil separator rotating shaft 2, each first drainage groove 27 and each second drainage groove 28 are respectively arranged around the circumferential direction of the oil separator rotating shaft 2, the cross section of each first drainage groove 27 is V-shaped formed by a first straight edge 271 and a first inclined edge 272 when viewed from the cross section of each first drainage groove 27, the first straight edge 271 is close to the front bearing 21, and the first inclined edge 272 inclines to the front end of the oil separator rotating shaft 2; the cross section of each second drainage groove 28 is V-shaped, as viewed from the cross section of each second drainage groove 28, with a second straight side 281 and a second sloping side 282, the second straight side 281 being adjacent to the rear bearing 22 and the second sloping side 282 sloping towards the rear end of the oil separator rotation shaft 2.
The rotary oil distribution mechanism can ensure the coaxiality of elements such as the transition flange 4, the oil distribution shaft 3, the connecting disc 6, the lathe spindle 5 and the like to the maximum extent, ensure the assembly precision and the dynamic balance of the mechanism, ensure the sealing effect on four oil paths and one air path, and prevent oil leakage and gas leakage.
After the rotary oil distribution mechanism is assembled, a rotary joint (not shown in the figure) is connected to a rotary joint interface 23 at the rear end of the rotating shaft 2 of the oil distributor, the front end of the connecting disc 6 is fixedly connected with a lathe fixture clamped with a workpiece, after the rotary joint is ready, hydraulic oil is introduced to four oil paths through the four oil inlet holes 10, and pressure gas is introduced to a central air path through the rotary joint, so that the workpiece can be machined. In the machining process, the oil distributor body 1 and the rotary joint are fixed, the oil distributor rotating shaft 2, the transition flange 4, the oil distributor and the main shaft fixing flange 51 rotate together with the lathe main shaft 5, and hydraulic oil enters a four-way oil way and enters a lathe fixture through the oil distributor rotating shaft 2, the transition flange 4, the oil distributing shaft 3 and the connecting disc 6 in sequence; the air flow enters a central air passage and then enters a lathe fixture through an oil separator rotating shaft 2, a transition flange 4, an oil separating shaft 3 and a connecting disc 6.
Claims (10)
1. A rotary oil distribution mechanism applied to a lathe fixture is characterized by comprising an oil distributor body, an oil distributor rotating shaft, an oil distribution shaft, a transition flange, a main shaft fixing flange and a connecting disc which are transversely and coaxially arranged, wherein the oil distributor body is sleeved outside the oil distributor rotating shaft, a front bearing and a rear bearing are arranged between the oil distributor rotating shaft and the oil distributor body, a gland is coaxially fixed at the rear end of the oil distributor body and tightly presses the outer ring of the rear bearing, a lathe main shaft is coaxially sleeved outside the oil distribution shaft, the main shaft fixing flange is coaxially sleeved and fixed outside the lathe main shaft, the oil distributor rotating shaft, the transition flange and the main shaft fixing flange are sequentially and fixedly connected, and the front end and the rear end of the oil distribution shaft are respectively and fixedly connected with the connecting disc and the transition flange, the front end of the lathe spindle is coaxially fixed with a connecting disc, the connecting disc is used for being fixedly connected with a lathe fixture, the side wall of the oil distributor body is provided with a plurality of oil inlet holes, each oil inlet hole is communicated with one oil way, each oil way sequentially penetrates through the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc to be communicated with an oil inlet of the lathe fixture, the rear end of the oil distributor rotating shaft is provided with a rotary joint interface, the rotary joint interface is communicated with a central air way, and the central air way sequentially penetrates through the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc to be communicated with an air inlet of the lathe fixture.
2. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 1, wherein a plurality of ring grooves are formed in the outer surface of the rotating shaft of the oil distributor, each ring groove is arranged around the circumference of the rotating shaft of the oil distributor, the ring grooves are arranged at intervals along the axial direction of the rotating shaft of the oil distributor, and each ring groove is communicated with one oil inlet and one oil passage.
3. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 2, wherein the inner surface of the oil distributor body is provided with a first oil collecting groove and a second oil collecting groove which are annular, the first oil collecting groove and the second oil collecting groove are respectively arranged around the circumferential direction of the oil distributor body, the first oil collecting groove is positioned at the front sides of the plurality of ring grooves and close to the front bearing, the second oil collecting groove is positioned at the rear sides of the plurality of ring grooves and close to the rear bearing, the bottom of the side wall of the oil distributor body is provided with a connecting hole and an oil drainage hole, the connecting hole is arranged along the axial direction of the oil distributor body, the front end and the rear end of the connecting hole are respectively communicated with the first oil collecting groove and the second oil collecting groove, and the oil drainage hole is communicated with the connecting hole.
4. The rotary oil distribution mechanism applied to the lathe fixture according to claim 3, wherein the outer surface of the oil distributor rotating shaft is provided with a plurality of annular first drainage grooves and a plurality of annular second drainage grooves, the plurality of first drainage grooves are opposite to the first oil collecting groove and are sequentially arranged along the axial direction of the oil distributor rotating shaft, the plurality of second drainage grooves are opposite to the second oil collecting groove and are sequentially arranged along the axial direction of the oil distributor rotating shaft, each first drainage groove and each second drainage groove are respectively arranged around the circumferential direction of the oil distributor rotating shaft, and the cross section of each first drainage groove is a V-shape formed by a first straight edge and a first oblique edge when viewed from the cross section of each first drainage groove, the first straight edge is close to the front bearing, and the first inclined edge inclines to the front end of the oil separator rotating shaft; and when viewed from the cross section of each second drainage groove, the cross section of each second drainage groove is V-shaped formed by a second straight edge and a second oblique edge, the second straight edge is close to the rear bearing, and the second oblique edge is oblique to the rear end of the oil separator rotating shaft.
5. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 2, wherein each oil path comprises a first oil hole, a second oil hole, a third oil hole and a fourth oil hole which are sequentially communicated and coaxially arranged and are precisely machined, and the first oil hole, the second oil hole, the third oil hole and the fourth oil hole are respectively formed along the axial direction of the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc; the central gas circuit comprises a first central gas hole, a second central gas hole, a third central gas hole and a fourth central gas hole which are sequentially communicated and coaxially arranged and are finely processed, and the first central gas hole, the second central gas hole, the third central gas hole and the fourth central gas hole are respectively formed along the axial direction of the oil distributor rotating shaft, the transition flange, the oil distribution shaft and the connecting disc.
6. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 5, wherein a plurality of first sealing rings are arranged between the oil distributor rotating shaft and the transition flange in a pressing manner, one first sealing ring is arranged at the joint of each first oil hole and each second oil hole, and one first sealing ring is arranged at the joint of each first central air hole and each second central air hole; a plurality of second sealing rings are arranged between the transition flange and the oil distributing shaft in a pressing mode, and one second sealing ring is arranged at the joint of each second oil hole and each third oil hole; a plurality of third sealing rings are arranged between the oil distribution shaft and the connecting disc in a pressing mode, and one third sealing ring is arranged at the joint of each third oil hole and each fourth oil hole; the front end of the connecting disc is provided with a plurality of fourth sealing rings, and the front end of each fourth oil hole and the front end of each fourth central air hole are respectively provided with one fourth sealing ring.
7. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 5, wherein a first centering hole which is concave backwards is coaxially formed at the front end of the rotating shaft of the oil distributor, a first positioning boss is integrally and coaxially arranged at the rear end of the transition flange, and a spigot of the first positioning boss is centered in the first centering hole; a second centering hole which is concave backwards is coaxially formed in the front end of the transition flange, a second positioning boss is integrally and coaxially arranged at the rear end of the oil distribution shaft, a spigot of the second positioning boss is centered in the second centering hole, and a fifth sealing ring is tightly pressed between the outer surface of the second positioning boss and the inner wall of the second centering hole; the rear end of the connecting disc is coaxially provided with a forward concave third centering hole, the front end of the oil distribution shaft is integrally and coaxially provided with a third positioning boss, a spigot of the third positioning boss is centered in the third centering hole, and a sixth sealing ring is tightly pressed between the outer surface of the third positioning boss and the inner wall of the third centering hole.
8. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 5, wherein a fourth centering hole which is concave backwards is coaxially formed at the front end of the transition flange, and a rear end spigot of the lathe spindle is centered in the fourth centering hole; the rear end of the connecting disc is coaxially provided with a centering taper hole which is concave forwards, the front end of the lathe spindle is integrally provided with a positioning frustum, and the conical surface of the positioning frustum is centered in the centering taper hole.
9. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 1, wherein the oil distributor rotating shaft, the transition flange and the main shaft fixing flange are fixedly connected with each other sequentially through a plurality of screws, the front end and the rear end of the oil distribution shaft are fixedly connected with the connecting disc and the transition flange respectively through a plurality of screws, and the lathe main shaft is fixedly connected with the connecting disc through a plurality of screws.
10. The rotary oil distribution mechanism applied to the lathe fixture as claimed in claim 9, wherein an adjusting washer is pressed between the transition flange and the main shaft fixing flange, the adjusting washer is formed by splicing a plurality of adjusting washers, and each screw for connecting the transition flange and the main shaft fixing flange is inserted into the plurality of adjusting washers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487346.4A CN111644640A (en) | 2020-06-02 | 2020-06-02 | Be applied to turning attachment's rotatory oil separating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010487346.4A CN111644640A (en) | 2020-06-02 | 2020-06-02 | Be applied to turning attachment's rotatory oil separating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111644640A true CN111644640A (en) | 2020-09-11 |
Family
ID=72348217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010487346.4A Pending CN111644640A (en) | 2020-06-02 | 2020-06-02 | Be applied to turning attachment's rotatory oil separating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111644640A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025395A (en) * | 2020-09-14 | 2020-12-04 | 深圳市爱贝科精密机械有限公司 | Front end air seal mechanism of lathe spindle |
| CN114290183A (en) * | 2021-12-28 | 2022-04-08 | 保定向阳航空精密机械有限公司 | Hydraulic automatic polishing mechanism |
| CN115431054A (en) * | 2022-08-31 | 2022-12-06 | 东莞市巨冈机械工业有限公司 | Machine tool workbench and double-workbench machine tool |
-
2020
- 2020-06-02 CN CN202010487346.4A patent/CN111644640A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112025395A (en) * | 2020-09-14 | 2020-12-04 | 深圳市爱贝科精密机械有限公司 | Front end air seal mechanism of lathe spindle |
| CN114290183A (en) * | 2021-12-28 | 2022-04-08 | 保定向阳航空精密机械有限公司 | Hydraulic automatic polishing mechanism |
| CN115431054A (en) * | 2022-08-31 | 2022-12-06 | 东莞市巨冈机械工业有限公司 | Machine tool workbench and double-workbench machine tool |
| CN115431054B (en) * | 2022-08-31 | 2024-04-02 | 东莞市巨冈机械工业有限公司 | Machine tool workbench and double-workbench machine tool |
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