CN220311778U - Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box - Google Patents
Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box Download PDFInfo
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- CN220311778U CN220311778U CN202321928682.3U CN202321928682U CN220311778U CN 220311778 U CN220311778 U CN 220311778U CN 202321928682 U CN202321928682 U CN 202321928682U CN 220311778 U CN220311778 U CN 220311778U
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- oil distribution
- hollow piston
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 48
- 230000013011 mating Effects 0.000 description 6
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model discloses a connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box, which comprises a cylinder body, the oil distribution disc and a hollow piston, wherein one end of the hollow piston is movably connected in the cylinder body, and the other end of the hollow piston is connected with the oil distribution disc through a plurality of bearings; the end part of the hollow piston, which is positioned in the oil distribution disc, is fixedly provided with a pull tube connecting assembly, the pull tube connecting assembly comprises an inner positioning connecting disc and an outer locking connecting disc, the inner positioning connecting disc is fixedly connected with the end part of the hollow piston, and the inner positioning connecting disc is fixedly connected with the outer locking connecting disc; a pull tube connecting screw hole is formed in the outer locking connecting disc; the internal positioning connecting disc is in sealing connection with the oil distribution disc and the hollow piston. The connecting structure designed by the utility model is convenient for disassembling the pull pipe and the hollow piston, ensures the stability of connection, prolongs the service life, and ensures the sealing effect of connection on the joint of the two ends of the oil distribution disc.
Description
Technical Field
The utility model relates to the technical field of lathes, in particular to a connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box.
Background
The lathe is mainly used for turning a rotating workpiece by a turning tool, a rotary oil cylinder in the existing lathe spindle box is in relative rotation connection with an oil distribution disc through a hollow piston, a cylinder body of the rotary oil cylinder is connected with a spindle, a belt pulley is arranged on the spindle, a chuck is arranged at one end of the spindle, a tube drawing spindle penetrates through the spindle, one end of the tube drawing spindle stretches into a hollow piston rod and is connected with the hollow piston rod, the other end of the tube drawing spindle is connected with the chuck, the hollow piston rod drives the chuck to clamp through the tube drawing, and the workpiece is simultaneously rotated by the spindle to drive the chuck to rotate.
Because current connected mode is dismantling when needs draw tube and piston, need dismantle the connection between cylinder body and the main shaft and just can realize, consequently chinese patent (CN 207494571U) discloses a kind of rotary cylinder that is used for lathe headstock, including cylinder body (4), cylinder body (4) are equipped with mating end (4 b) and are used for installing end (4 a) that are connected with main shaft (1) of lathe headstock, cylinder body (4) in be equipped with movable piston (8), its characterized in that, one end of piston (8) be equipped with convex mating portion (8 a), mating portion (8 a) stretch out and be connected with mounting disc (11) at mating portion (8 a) tip detachable outside mating end (4 b), draw tube (2) of lathe headstock can pass mating portion (8 a) and mounting disc (11) in proper order and form detachable connection with mounting disc (11). The connection and the disassembly between the pull tube and the piston are realized through the design of the mounting disc (11), and although the connection and the disassembly of the pull tube and the piston are convenient to a certain extent, the connection reliability is low and the damage is easy to occur, so that the improvement is needed.
Disclosure of Invention
The utility model aims to solve the problems in the background art and provides a connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box.
In order to solve the technical problems, the technical scheme of the utility model is as follows: the connecting structure comprises a cylinder body, an oil distribution disc and a hollow piston, wherein one end of the hollow piston is movably connected in the cylinder body, and the other end of the hollow piston is connected with the oil distribution disc through a plurality of bearings; the end part of the hollow piston in the oil distribution disc is fixedly provided with a pull tube connecting assembly, the pull tube connecting assembly comprises an inner positioning connecting disc and an outer locking connecting disc, a plurality of corresponding plug connecting holes are respectively formed in the end parts of the inner positioning connecting disc and the hollow piston, the inner positioning connecting disc and the hollow piston are fixedly connected through plug connecting holes and plug bolts, and the inner positioning connecting disc and the outer locking connecting disc are fixedly connected; a pull tube connecting screw hole is formed in the outer locking connecting disc, and a pull tube in the lathe spindle box passes through the hollow piston and the inner positioning connecting disc and is connected with the pull tube connecting screw hole in the outer locking connecting disc; the positioning connecting disc is connected with the oil distribution disc and the hollow piston in a sealing way.
In the connecting structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, the positioning connecting disc comprises a positioning connecting part and a sealing connecting part, a positioning connecting groove is arranged in the outer locking connecting disc, and a plurality of inner disc fixing screw holes and outer disc fixing screw holes which are correspondingly communicated with the positioning connecting groove are formed in the circumferential side surface of the outer locking connecting disc; the positioning connecting part of the positioning connecting disc is correspondingly positioned in the positioning connecting groove, and an inner disc jacking bolt and an outer disc jacking bolt which are jacked and fixed on the positioning connecting part are connected in the inner disc fixing screw hole and the outer disc fixing screw hole, and the sealing connecting part of the positioning connecting disc is in sealing connection with the oil distribution disc and the hollow piston.
In the connection structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, a plurality of shaft fixing screw holes which are correspondingly communicated with the pull tube connecting screw holes are further formed in the circumferential side face of the outer locking connecting disc, and pull tube jacking bolts for jacking the pull tubes are connected in the shaft fixing screw holes.
In the connecting structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, a piston positioning groove is formed in the end face, corresponding to the hollow piston, of the positioning connecting disc, a disc plug sealing groove is formed in the piston positioning groove, and a sealing ring is arranged in the disc plug sealing groove.
In the connection structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, two end sides of the oil distribution disc are respectively connected with positioning end covers, a plug cover sealing disc corresponding to one end cover is arranged on the hollow piston, a plurality of disc cover sealing grooves are respectively arranged between the sealing connection part of the positioning connecting disc and the positioning end cover and between the plug cover sealing disc and the positioning end cover, and sealing rings are arranged in the disc cover sealing grooves.
In the connecting structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, the auxiliary sealing boss is arranged on the sealing connecting part of the positioning connecting disc, and the auxiliary sealing boss and the side face of the positioning end cover are positioned.
In the connecting structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, a plurality of disc cover sealing grooves corresponding to the sealing connecting part and the positioning end cover and the plug cover sealing disc and the positioning end cover are arranged in a staggered mode.
In the connecting structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box, the sealing connecting part and the corresponding part of the positioning end cover are respectively provided with a Y-shaped sealing ring.
The utility model has the following beneficial effects:
according to the utility model, the hollow piston is connected with the pulling pipe through the pulling pipe connecting assembly, when the pulling pipe is detached from the hollow piston, the convenient detachment can be realized through the pulling pipe connecting assembly, the inner positioning connecting disc and the outer locking connecting disc in the pulling pipe connecting assembly are respectively fixedly connected with the hollow piston and the pulling pipe, and meanwhile, the fixed connecting structure is designed between the inner positioning connecting disc and the outer locking connecting disc, so that the pulling pipe is conveniently detached from the hollow piston, the connection stability is ensured, and the service life is prolonged.
Meanwhile, a sealing connection structure is arranged among the pull pipe connection assembly, the hollow piston and the oil distribution disc, the connection stability is improved, meanwhile, the designed sealing connection structure ensures the sealing effect of connection at the connection positions of the two ends of the oil distribution disc, and therefore lubricating oil entering the hollow piston from the oil distribution disc can be lubricated through a plurality of bearings between the hollow piston and the oil distribution disc, friction is reduced, and service life is prolonged.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a cross-sectional view of the present utility model;
fig. 3 is an enlarged view of a portion a of fig. 2;
fig. 4 is an enlarged view of a portion B of fig. 2.
Detailed Description
The utility model is further elucidated with reference to the drawings.
Referring to fig. 1 to 4, the utility model provides a connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box, which comprises a cylinder body 1, the oil distribution disc 2 and a hollow piston 3, wherein one end of the hollow piston 3 is movably connected in the cylinder body 1, and the other end of the hollow piston is connected with the oil distribution disc 2 through a plurality of bearings 4.
The end part of the hollow piston 3 in the oil distribution disc 2 is fixedly provided with a pull tube connecting assembly, the pull tube connecting assembly comprises an inner positioning connecting disc 5 and an outer locking connecting disc 6, a plurality of corresponding disc plug connecting holes 7 are respectively formed in the end parts of the inner positioning connecting disc 5 and the hollow piston 3, and the inner positioning connecting disc and the hollow piston 3 are fixedly connected through disc plug connecting holes 7 by disc plug bolts 8.
The positioning connecting disc 5 and the outer locking connecting disc 6 are fixedly connected, the positioning connecting disc 5 comprises a positioning connecting part 11 and a sealing connecting part 12, a positioning connecting groove 13 is arranged in the outer locking connecting disc 6, and a plurality of inner and outer disc fixing screw holes 14 which are correspondingly communicated with the positioning connecting groove 13 are formed in the circumferential side surface of the outer locking connecting disc 6; the positioning connecting part 11 of the positioning connecting disc 5 is correspondingly positioned in the positioning connecting groove 13, and an inner disc and outer disc jacking bolt 15 jacking the positioning connecting part 11 is connected in the inner disc and outer disc fixing screw hole 14.
A tube drawing connecting screw hole 9 is formed in the outer locking connecting disc 6, and a tube drawing 10 in a lathe spindle box passes through the hollow piston 3 and the inner positioning connecting disc 5 and then is connected with the tube drawing connecting screw hole 9 in the outer locking connecting disc 6; the circumference side surface of the outer locking connecting disc 6 is also provided with a plurality of disc shaft fixing screw holes 16 which are correspondingly communicated with the pull tube connecting screw holes 9, and pull tube jacking bolts 17 which jack the pull tubes 10 are connected in the disc shaft fixing screw holes 16.
The pull tube connecting component is used for fixedly connecting the middle positioning connecting disc 5 with the outer locking connecting disc 6, the middle positioning connecting disc 5 is fixedly connected with the hollow piston 3, the outer locking connecting disc 6 is fixedly connected with the pull tube 10, the pull tube connecting component not only realizes the stable connection between the hollow piston 3 and the pull tube 10, but also facilitates the disassembly between the hollow piston 3 and the pull tube 10.
The inner positioning connecting disc 5 is in sealing connection with the oil distribution disc 2 and the hollow piston 3, wherein a sealing connection part 12 of the inner positioning connecting disc 5 is in sealing connection with the oil distribution disc 2 and the hollow piston 3, a piston positioning groove 18 is formed in the end face, which is correspondingly connected with the hollow piston 3, of the inner positioning connecting disc 5, a disc plug sealing groove 19 is formed in the piston positioning groove 18, a sealing ring 20 is arranged on the disc plug sealing groove 19, positioning end covers 21 are respectively connected to two end sides of the oil distribution disc 2, a plug sealing disc 22 corresponding to one of the hollow piston 3 is arranged on the hollow piston 3, a plurality of disc cover sealing grooves 23 are respectively formed between the sealing connection part 12 of the inner positioning connecting disc 5 and the positioning end cover 21, and between the plug sealing disc 22 and the positioning end cover 21, and the sealing ring 20 is arranged in the disc cover sealing groove 23.
The sealing connection structure is respectively arranged between the inner positioning connecting disc 5 and the end part of the hollow piston 3 and between the inner positioning connecting disc and the positioning end cover 21 at one end of the oil distribution disc 2, and between the plug cover sealing disc 22 on the hollow piston and the positioning end cover 21 at the other end of the oil distribution disc, so that the tightness of connection at the two ends of the oil distribution disc 2 is fully ensured, and lubricating oil entering the hollow piston from the oil distribution disc can be lubricated through a plurality of bearings between the hollow piston and the oil distribution disc, thereby reducing friction and prolonging service life.
Further, in order to ensure the connection positioning effect of the positioning connection disc 5, an auxiliary sealing boss 24 is arranged on the sealing connection part 12 of the positioning connection disc 5, and the auxiliary sealing boss 24 and the side surface of the positioning end cover 21 are positioned.
Further, the multi-channel disc cover sealing grooves 23 corresponding to the sealing connection part 12 and the positioning end cover 21 and the plug cover sealing disc 22 and the positioning end cover 21 are arranged in a staggered mode, the sealing rings 20 installed on the multi-channel disc cover sealing grooves 23 are arranged in a staggered mode to form staggered fit sealing, and meanwhile Y-shaped sealing rings 25 are respectively arranged at the corresponding positions of the sealing connection part 12 and the positioning end cover 21, so that sealing effect is further guaranteed.
The above describes the connection structure between the rotary oil cylinder and the oil distribution disc on the lathe spindle box provided by the embodiment of the utility model in detail, and specific examples are applied to describe the principle and the implementation mode of the utility model, and the description of the above embodiment is only used for helping to understand the technical scheme disclosed by the utility model; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present utility model, the present description should not be construed as limiting the present utility model in view of the above.
Claims (8)
1. The connecting structure comprises a cylinder body (1), an oil distribution disc (2) and a hollow piston (3), wherein one end of the hollow piston (3) is movably connected in the cylinder body (1), and the other end of the hollow piston is connected with the oil distribution disc (2) through a plurality of bearings (4); the method is characterized in that: the end part of the hollow piston (3) positioned in the oil distribution disc (2) is fixedly provided with a tube pulling connecting assembly, the tube pulling connecting assembly comprises a positioning connecting disc (5) and an outer locking connecting disc (6), a plurality of corresponding plug connecting holes (7) are respectively formed in the end parts of the positioning connecting disc (5) and the hollow piston (3), the positioning connecting disc and the hollow piston are fixedly connected through disc plug connecting holes (7) by disc plug bolts (8), and the positioning connecting disc (5) and the outer locking connecting disc (6) are fixedly connected; a tube pulling connection screw hole (9) is formed in the outer locking connecting disc (6), and a tube pulling tube (10) in the lathe spindle box passes through the hollow piston (3) and the inner positioning connecting disc (5) and then is connected with the tube pulling connection screw hole (9) in the outer locking connecting disc (6); the positioning connecting disc (5) is connected with the oil distribution disc (2) and the hollow piston (3) in a sealing way.
2. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 1, which is characterized in that: the inner positioning connecting disc (5) comprises a positioning connecting part (11) and a sealing connecting part (12), a positioning connecting groove (13) is formed in the outer locking connecting disc (6), and a plurality of inner disc fixing screw holes (14) which are correspondingly communicated with the positioning connecting groove (13) are formed in the circumferential side surface of the outer locking connecting disc (6); the positioning connecting part (11) of the positioning connecting disc (5) is correspondingly positioned in the positioning connecting groove (13), and an inner disc jacking bolt (15) jacking the positioning connecting part (11) is connected in the inner disc and outer disc fixing screw hole (14), and the sealing connecting part (12) of the positioning connecting disc (5) is in sealing connection with the oil distribution disc (2) and the hollow piston (3).
3. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 2, which is characterized in that: the outer locking connecting disc (6) is characterized in that a plurality of disc shaft fixing screw holes (16) which are correspondingly communicated with the pull tube connecting screw holes (9) are further formed in the circumferential side face of the outer locking connecting disc, and pull tube jacking bolts (17) which jack the pull tubes (10) are connected in the disc shaft fixing screw holes (16).
4. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 1 or 2, characterized in that: the end face of the positioning connecting disc (5) correspondingly connected with the hollow piston (3) is provided with a piston positioning groove (18), a disc plug sealing groove (19) is arranged in the piston positioning groove (18), and the disc plug sealing groove (19) is provided with a sealing ring (20).
5. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 1 or 2, characterized in that: the oil distribution disc is characterized in that positioning end covers (21) are respectively connected to two end sides of the oil distribution disc (2), a plug cover sealing disc (22) corresponding to one end cover is arranged on the hollow piston (3), a plurality of disc cover sealing grooves (23) are respectively arranged between the sealing connecting part (12) of the positioning connecting disc (5) and the positioning end cover (21) and between the plug cover sealing disc (22) and the positioning end cover (21), and sealing rings (20) are arranged in the disc cover sealing grooves (23).
6. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 5, wherein: an auxiliary sealing boss (24) is arranged on the sealing connection part (12) of the positioning connecting disc (5), and the auxiliary sealing boss (24) and the side face of the positioning end cover (21) are positioned.
7. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 5, wherein: and a plurality of disc cover sealing grooves (23) corresponding to the sealing connection part (12) and the positioning end cover (21) and the plug cover sealing disc (22) and the positioning end cover (21) are arranged in a staggered mode.
8. The connecting structure between a rotary oil cylinder and an oil distribution disc on a lathe spindle box according to claim 7, wherein: and Y-shaped sealing rings (25) are respectively arranged at the corresponding positions of the sealing connection part (12) and the positioning end cover (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928682.3U CN220311778U (en) | 2023-07-21 | 2023-07-21 | Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321928682.3U CN220311778U (en) | 2023-07-21 | 2023-07-21 | Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220311778U true CN220311778U (en) | 2024-01-09 |
Family
ID=89415809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321928682.3U Active CN220311778U (en) | 2023-07-21 | 2023-07-21 | Connection structure between rotary oil cylinder and oil distribution disc on lathe spindle box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220311778U (en) |
-
2023
- 2023-07-21 CN CN202321928682.3U patent/CN220311778U/en active Active
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