CN214788310U - High-precision quick fine-adjustment servo hydraulic cylinder - Google Patents
High-precision quick fine-adjustment servo hydraulic cylinder Download PDFInfo
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- CN214788310U CN214788310U CN202120765223.2U CN202120765223U CN214788310U CN 214788310 U CN214788310 U CN 214788310U CN 202120765223 U CN202120765223 U CN 202120765223U CN 214788310 U CN214788310 U CN 214788310U
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Abstract
The utility model belongs to the technical field of the technique and specifically relates to a high accuracy quick fine setting servo hydraulic cylinder, including cylinder, piston rod and end cover, first hydraulic fluid port has been seted up to the outer wall of cylinder, the second hydraulic fluid port has been seted up to the outer wall of cylinder, the cavity has been seted up to the one end of cylinder, the installation cavity has been seted up to the one end of piston rod, the inner wall swing joint of installation cavity has sealed piece, the inner wall swing joint of installation cavity has high accuracy displacement sensing device, the one end swing joint of cylinder has sealed lid, the inner wall swing joint of cavity has the piston piece, one side of piston piece is seted up flutedly. The combined sealing type structure design is adopted, the friction force is small, the system response is fast, the sealing performance is good, high pressure is guaranteed, internal leakage is prevented, meanwhile, the stroke of the piston rod and the frequency and precision of reciprocating motion are controlled by the high-precision displacement sensor, the positioning precision can be controlled, the sealing performance between the piston block and the cylinder barrel is effectively guaranteed for a long time, and the service life of the servo hydraulic cylinder is prolonged.
Description
Technical Field
The utility model relates to a pneumatic cylinder technical field, concretely relates to servo pneumatic cylinder is finely tuned fast to high accuracy.
Background
The hydraulic cylinder is a hydraulic actuating element which can convert hydraulic energy into mechanical energy and can make linear reciprocating motion or swinging motion, and is simple in structure and reliable in operation, when it is used for implementing reciprocating motion, it can remove speed-reducing device, and has no transmission gap, and its motion is stable, so that it can be extensively used in various mechanical hydraulic systems.
However, the existing high-precision quick fine-adjustment servo hydraulic cylinder has the following defects:
1. the existing servo hydraulic cylinder has the defects of large friction force, poor sealing property, high pressure maintaining, easy internal leakage and low positioning precision due to the defect of the sealing design of the piston rod end;
2. meanwhile, the servo hydraulic cylinder has the advantages that the service life of the servo hydraulic cylinder is shortened due to the fact that the sealing performance between the piston and the inner wall of the cylinder body is insufficient, and the cost is increased due to the fact that the servo hydraulic cylinder is used for a long time.
SUMMERY OF THE UTILITY MODEL
For solving the problem that provides in the above-mentioned background art, the utility model provides a servo pneumatic cylinder is finely tuned fast to high accuracy has that frictional force is little, the system response is fast, the leakproofness is good and protect high pressure to prevent the characteristics of internal leakage.
In order to achieve the above object, the utility model provides a following technical scheme: a high-precision quick fine-adjustment servo hydraulic cylinder comprises a cylinder barrel, a piston rod and an end cover, wherein a first oil port is formed in the outer wall of the cylinder barrel, a second oil port is formed in the outer wall of the cylinder barrel, a cavity is formed in one end of the cylinder barrel, and an installation cavity is formed in one end of the piston rod;
the inner wall swing joint of installation cavity has sealed piece, the inner wall swing joint of installation cavity has high accuracy displacement sensing device, the one end swing joint of cylinder has sealed lid, the inner wall swing joint of cavity has the piston piece, one side of piston piece is seted up flutedly, one side swing joint of end cover has the protection casing.
In order to facilitate installation, the top of the protective cover is movably connected with a bolt, the protective cover is movably connected with the end cover through the bolt, and the shape and the size of the protective cover are matched with those of the end cover.
In order to play the leakproofness, the outer wall fixedly connected with sealing ring of piston piece, and the sealing ring is the rubber seal ring.
In order to achieve the sealing performance, one side of the end cover is fixedly connected with a sealing ring, and the sealing ring is a rubber sealing ring.
In order to facilitate installation, one side of the sealing cover is movably connected with a bolt, and the sealing cover is movably connected with the cylinder barrel through the bolt.
In order to facilitate installation, a mounting groove is formed in one side of the end cover, a bolt is movably connected to the inner wall of the mounting groove, and the end cover is movably connected with the cylinder barrel through the bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the high-precision displacement sensing device penetrates through the mounting cavity and is mounted in the piston rod, so that one end of the high-precision displacement sensing device is fixed on the cylinder barrel, the other end of the high-precision displacement sensing device extends into the piston rod, the high-precision displacement sensing device is mounted in a sealing mode through the sealing block and the sealing cover, the combined sealing type structural design is adopted, the friction force is small, the system response is fast, the sealing performance is good, high pressure is maintained, internal leakage is prevented, and meanwhile, the high-precision displacement sensor is adopted to control the stroke of the piston rod and the frequency and precision of reciprocating motion, so that the positioning precision can be controlled;
2. meanwhile, the piston block is attached to the inner wall of the cylinder barrel in a moving process inside the cylinder barrel in a high-precision mode through the sealing ring, the sealing performance between the piston block and the inner wall of the cylinder barrel is effectively improved, the working precision of the servo hydraulic cylinder is greatly improved, the abrasion resistance is good, the sealing performance between the piston block and the cylinder barrel is effectively guaranteed for a long time, and the service life of the servo hydraulic cylinder is prolonged.
In conclusion, the high-precision quick fine-adjustment servo hydraulic cylinder has the characteristics of small friction force, quick system response, good sealing performance, high pressure protection and internal leakage prevention.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
FIG. 1 is an overall structure diagram of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a block diagram of the piston according to the present invention.
In the figure, 1, a cylinder barrel; 2. a first oil port; 3. a second oil port; 4. a cavity; 5. a piston rod; 6. a mounting cavity; 7. a sealing block; 8. a high-precision displacement sensing device; 9. a sealing cover; 10. a piston block; 11. a groove; 12. a seal ring; 13. a seal ring; 14. an end cap; 15. a shield.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-3, the present invention provides the following technical solutions: a high-precision quick fine-adjustment servo hydraulic cylinder comprises a cylinder barrel 1, a piston rod 5 and an end cover 14, wherein a first oil port 2 is formed in the outer wall of the cylinder barrel 1, a second oil port 3 is formed in the outer wall of the cylinder barrel 1, a cavity 4 is formed in one end of the cylinder barrel 1, and an installation cavity 6 is formed in one end of the piston rod 5;
the inner wall swing joint of installation cavity 6 has sealed piece 7, and the inner wall swing joint of installation cavity 6 has high accuracy displacement sensing device 8, and high accuracy displacement sensing device 8 is digital laser displacement sensor, and the one end swing joint of cylinder 1 has sealed lid 9, and the inner wall swing joint of cavity 4 has piston block 10, and recess 11 has been seted up to one side of piston block 10, and one side swing joint of end cover 14 has protection casing 15.
In this embodiment: the high-precision displacement sensing device 8 penetrates through the mounting cavity 6 to be mounted in the piston rod 5, so that one end of the high-precision displacement sensing device 8 is fixed on the cylinder barrel 1, the other end of the high-precision displacement sensing device extends into the piston rod 5, the high-precision displacement sensing device is mounted in a sealing mode through the sealing block 7 and the sealing cover 9, a combined sealing type structure design is adopted, the friction force is small, the system response is fast, the sealing performance is good, high pressure is guaranteed, internal leakage is prevented, meanwhile, the stroke and the reciprocating motion frequency and precision of the piston rod 5 are controlled through the high-precision displacement sensor, and the positioning precision can be controlled;
meanwhile, the piston block 10 is attached to the inner wall of the cylinder barrel 1 at the inner part of the cylinder barrel 1 in a moving process, the sealing ring 12 is attached to the inner wall of the cylinder barrel 1 at high precision, the sealing performance between the piston block 10 and the inner wall of the cylinder barrel 1 is effectively improved, the working precision of the servo hydraulic cylinder is greatly improved, the wear resistance is good, the sealing performance between the piston block 10 and the cylinder barrel 1 is effectively guaranteed for a long time, and the service life of the servo hydraulic cylinder is prolonged.
As a technical optimization scheme of the utility model, the person of facilitating the use installs fixedly protection casing 15 and end cover 14, plays effectual guard action simultaneously.
In this embodiment: the top of the protection cover 15 is movably connected with a bolt, the protection cover 15 is movably connected with the end cover 14 through the bolt, and the shape and the size of the protection cover 15 are matched with those of the end cover 14.
As the utility model discloses a technical optimization scheme can improve the leakproofness when using greatly, improves frictional force simultaneously, and rubber indicates the high elasticity polymer material that has reversible deformation, is rich in elasticity at the room temperature, can produce great deformation under very little exogenic action, can the reconversion after detaching external force.
In this embodiment: the outer wall of the piston block 10 is fixedly connected with a sealing ring 12, and the sealing ring 12 is a rubber sealing ring.
As the utility model discloses a technical optimization scheme can improve the leakproofness when using greatly, improves frictional force simultaneously, and rubber indicates the high elasticity polymer material that has reversible deformation, is rich in elasticity at the room temperature, can produce great deformation under very little exogenic action, can the reconversion after detaching external force.
In this embodiment: one side of the end cover 14 is fixedly connected with a sealing ring 13, and the sealing ring 13 is a rubber sealing ring.
As a technical optimization scheme of the utility model, convenient to use person installs sealed lid 9 and cylinder 1, and convenient to use person dismantles it simultaneously.
In this embodiment: one side of the sealing cover 9 is movably connected with a bolt, and the sealing cover 9 is movably connected with the cylinder barrel 1 through the bolt.
As a technical optimization scheme of the utility model, convenient to use person fixes end cover 14 and cylinder 1, and the convenience is dismantled it simultaneously.
In this embodiment: an installation groove is formed in one side of the end cover 14, a bolt is movably connected to the inner wall of the installation groove, and the end cover 14 is movably connected with the cylinder barrel 1 through the bolt.
The utility model discloses a theory of operation and use flow: pass the installation cavity 6 through with high accuracy displacement sensing device 8 and install in piston rod 5, make the one end of high accuracy displacement sensing device 8 be fixed in on cylinder 1, the other end stretches into in the piston rod 5, seal installation is being sealed through sealed 7 and sealed lid 9, piston block 10 is at the inside removal in-process of cylinder 1 simultaneously, sealing ring 12 and the laminating of 1 inner wall high accuracy of cylinder, the effectual leakproofness that improves between piston block 10 and the 1 inner wall of cylinder, adopt the structural design of combination seal form, the frictional force is little, the system response is fast, the leakproofness is good and protect high pressure to prevent internal leakage, adopt high accuracy displacement sensor control piston rod 5's stroke and reciprocating motion's frequency and precision simultaneously, can be with positioning accuracy control.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a servo pneumatic cylinder is finely tuned fast to high accuracy, includes cylinder (1), piston rod (5) and end cover (14), its characterized in that: a first oil port (2) is formed in the outer wall of the cylinder barrel (1), a second oil port (3) is formed in the outer wall of the cylinder barrel (1), a cavity (4) is formed in one end of the cylinder barrel (1), and an installation cavity (6) is formed in one end of the piston rod (5);
the inner wall swing joint of installation cavity (6) has sealed piece (7), the inner wall swing joint of installation cavity (6) has high accuracy displacement sensing device (8), the one end swing joint of cylinder (1) has sealed lid (9), the inner wall swing joint of cavity (4) has piston block (10), one side of piston block (10) is seted up flutedly (11), one side swing joint of end cover (14) has protection casing (15).
2. A high precision fast fine tuning servo hydraulic cylinder as claimed in claim 1, wherein: the top swing joint of protection casing (15) has the bolt, and protection casing (15) pass through bolt and end cover (14) swing joint, and the shape size of protection casing (15) all matches each other with the shape size of end cover (14).
3. A high precision fast fine tuning servo hydraulic cylinder as claimed in claim 1, wherein: the outer wall of the piston block (10) is fixedly connected with a sealing ring (12), and the sealing ring (12) is a rubber sealing ring.
4. A high precision fast fine tuning servo hydraulic cylinder as claimed in claim 1, wherein: one side of the end cover (14) is fixedly connected with a sealing ring (13), and the sealing ring (13) is a rubber sealing ring.
5. A high precision fast fine tuning servo hydraulic cylinder as claimed in claim 1, wherein: one side of the sealing cover (9) is movably connected with a bolt, and the sealing cover (9) is movably connected with the cylinder barrel (1) through the bolt.
6. A high precision fast fine tuning servo hydraulic cylinder as claimed in claim 1, wherein: the mounting groove is formed in one side of the end cover (14), the inner wall of the mounting groove is movably connected with a bolt, and the end cover (14) is movably connected with the cylinder barrel (1) through the bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765223.2U CN214788310U (en) | 2021-04-14 | 2021-04-14 | High-precision quick fine-adjustment servo hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120765223.2U CN214788310U (en) | 2021-04-14 | 2021-04-14 | High-precision quick fine-adjustment servo hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214788310U true CN214788310U (en) | 2021-11-19 |
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ID=78687014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120765223.2U Active CN214788310U (en) | 2021-04-14 | 2021-04-14 | High-precision quick fine-adjustment servo hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214788310U (en) |
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2021
- 2021-04-14 CN CN202120765223.2U patent/CN214788310U/en active Active
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