CN215789392U - Fixing device for oil cylinder machining - Google Patents
Fixing device for oil cylinder machining Download PDFInfo
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- CN215789392U CN215789392U CN202122182129.7U CN202122182129U CN215789392U CN 215789392 U CN215789392 U CN 215789392U CN 202122182129 U CN202122182129 U CN 202122182129U CN 215789392 U CN215789392 U CN 215789392U
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- oil cylinder
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- positioning plate
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Abstract
A fixing device for machining an oil cylinder is characterized in that an annular convex edge is arranged on an opening of the oil cylinder, fixing holes are distributed on the convex edge at equal intervals, a circular positioning plate is detachably covered on the opening, a positioning through hole is formed in a positioning plate body corresponding to the fixing hole, the positioning plate and the convex edge are fixed together through a bolt penetrating through the positioning through hole and the corresponding fixing hole, a positioning concave part is arranged at the central position of the positioning plate, and a second positioning concave part is arranged at the central position of the other end of the oil cylinder opposite to the opening of the oil cylinder. The utility model has the advantages that: the opening of the oil cylinder is sealed by the positioning plate, so that when the outer surface of the oil cylinder is machined, the positioning concave part of the positioning plate and the second positioning concave part at the other end of the oil cylinder can provide a fulcrum to position the oil cylinder, the machining of the oil cylinder is facilitated, and the machining requirement of the outer surface of the oil cylinder with high precision is met; the positioning plate can be taken down after the surface of the oil cylinder is processed, the normal use of the oil cylinder is not influenced, and the use is very convenient.
Description
Technical Field
The utility model relates to the technical field of oil cylinder manufacturing, in particular to a fixing device for oil cylinder processing.
Background
The current chinese utility model patent of application number CN201320224557.4 entitled "hydro-cylinder hydraulic lock fixing base" discloses a hydro-cylinder hydraulic lock fixing base, including the fixing base, the mounting panel that has the hydraulic lock is welded to the left downside at the fixing base, has two gaskets in the welding of the right downside opening part of fixing base. The oil cylinder hydraulic lock fixing seat is adopted, the hydraulic lock is fixed on the fixing seat through bolts, the oil cylinder hydraulic lock can be freely folded and assembled, the maintenance of the oil cylinder and the hydraulic lock can be facilitated in the future, the time is saved, the production efficiency is improved, and the problem that the oil cylinder leaks oil due to deformation and breakage caused by stress of an oil pipe when the oil cylinder works because the oil pipe of the oil cylinder is pulled by the hydraulic lock not fixedly is effectively solved; the device has the characteristics of simple structure, convenient operation and stable performance. However, after the fixed seat fixes the oil cylinder, the surface of the oil cylinder at the fixed position is difficult to treat, and the use is not ideal, so the structure of the fixed seat needs to be further improved.
Disclosure of Invention
The technical problem to be solved by the utility model is to provide a fixing device for oil cylinder processing, which is convenient to position and can avoid influencing the processing of the outer surface of a cylinder body, aiming at the current situation of the prior art.
The technical scheme adopted by the utility model for solving the technical problems is as follows: this a fixing device for hydro-cylinder processing, its characterized in that: the opening of the oil cylinder is provided with an annular convex edge, fixing holes are distributed on the convex edge at equal intervals, a circular positioning plate is detachably covered on the opening, a positioning through hole is arranged on a positioning plate body corresponding to the fixing hole, the positioning plate and the convex edge are fixed together by a bolt penetrating through the positioning through hole and the corresponding fixing hole, a positioning concave part is arranged at the central position of the positioning plate, and a second positioning concave part is arranged at the central position of the other end of the oil cylinder opposite to the opening of the oil cylinder.
As an improvement, a through hole of the plate body capable of adjusting the gravity center position of the positioning plate to make the gravity center position of the positioning plate coincide with the positioning concave portion may be preferably provided on the positioning plate.
In a further development, the plate body passage openings can preferably be arranged at intervals on a circumference around the second positioning recess.
In a further development, the outer edge of the positioning plate can preferably lie on the same circumference as the outer edge of the flange.
As an improvement, the oil cylinder can preferably consist of a cylindrical body and a conical body, the convex edge is arranged on an opening at one end of the cylindrical body, and the end part of the conical body is a plane which can facilitate the positioning of the oil cylinder.
In a further improvement, a protection plate may be preferably connected to an end of the cone, and the second positioning protrusion may be located at a central position of the protection plate.
In a further improvement, the connection part of the conical body and the cylindrical body can be preferably a concave arc-shaped surface.
In a further improvement, an annular groove can be preferably arranged on the outer surface of the cylindrical body close to the joint of the conical body and the cylindrical body, a sealing ring is sleeved in the annular groove, and the top surface of the sealing ring is higher than the outer surface of the cylindrical body.
In a further improvement, the number of the annular grooves is preferably three to six, and the annular grooves are arranged at intervals along the axial direction of the cylindrical body
In a further development, the sealing rings can preferably be U-shaped sealing rings with notches, the notches of adjacent U-shaped sealing rings being staggered.
Compared with the prior art, the utility model has the advantages that: the opening of the oil cylinder is sealed by the positioning plate, so that when the outer surface of the oil cylinder is machined, the positioning concave part of the positioning plate and the second positioning concave part at the other end of the oil cylinder can provide a fulcrum to position the oil cylinder, the machining of the oil cylinder is facilitated, and the machining requirement of the outer surface of the oil cylinder with high precision is met; the positioning plate can be taken down after the surface of the oil cylinder is processed, the normal use of the oil cylinder is not influenced, and the use is very convenient.
Drawings
FIG. 1 is a perspective view of an embodiment of the present invention;
FIG. 2 is a perspective view of FIG. 1 at another angle;
FIG. 3 is a front perspective view of FIG. 1;
FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;
FIG. 5 is an exploded view of the structure of FIG. 1;
fig. 6 is a further exploded view of the structure of fig. 5.
Detailed Description
The utility model is described in further detail below with reference to the accompanying examples.
As shown in fig. 1 to 6, in the fixing device for oil cylinder processing of the present embodiment, an annular flange 14 is disposed on an opening 13 of the oil cylinder, fixing holes 141 are equally spaced on the flange 14, a circular positioning plate 3 is detachably covered on the opening 13, a positioning through hole 31 is disposed on a plate body of the positioning plate 3 corresponding to the fixing hole 141, the positioning plate 3 and the flange 14 are fixed together by a bolt passing through the positioning through hole 31 and the corresponding fixing hole 141, a positioning concave portion 32 is disposed at a central position of the positioning plate 3, and a second positioning concave portion 15 is disposed at a central position of the other end of the oil cylinder opposite to the opening 13 of the oil cylinder. The positioning plate 3 is provided with a plate body through hole 33 capable of adjusting the position of the center of gravity of the positioning plate 3 so that the position of the center of gravity of the positioning plate 3 coincides with the positioning recess 32. Plate body through holes 33 are provided at intervals on the circumference around the second positioning recess 15. The outer edge of the positioning plate 3 and the outer edge of the convex edge 14 are positioned on the same circumference.
The oil cylinder consists of a cylindrical body 1 and a conical body 2, a convex edge 11 is arranged on an opening at one end of the cylindrical body 1, and the end part of the conical body 2 is a plane which can facilitate the positioning of the oil cylinder. A shielding plate 22 is connected to an end of the cone 2, and the second positioning protrusion 15 is located at a central position of the shielding plate 22. The connection part of the conical body 2 and the cylindrical body 1 is a concave arc-shaped surface 21. An annular groove 11 is arranged on the outer surface of the cylindrical body 1 close to the joint of the conical body 2 and the cylindrical body 1, a sealing ring 12 is sleeved in the annular groove 11, and the top surface of the sealing ring 12 is higher than the outer surface of the cylindrical body 1. Three to six annular grooves 11 are provided, and the annular grooves 11 are arranged at intervals along the axial direction of the cylindrical body 1. Seal ring 12 is a notched U-shaped seal ring with notches 121 of adjacent U-shaped seal rings staggered.
The working principle is as follows: the positioning concave part of the positioning plate and the second positioning concave part at the other end of the oil cylinder can be used as the rotation center of the oil cylinder, so that the positioning and the processing of the oil cylinder are facilitated. One end opening of the oil cylinder is sealed through the positioning plate, so that the oil cylinder can be positioned, and the surface treatment of the oil cylinder is facilitated.
Claims (10)
1. The utility model provides a fixing device for hydro-cylinder processing which characterized in that: the oil cylinder positioning structure is characterized in that an annular convex edge (14) is arranged on an opening (13) of the oil cylinder, fixing holes (141) are distributed on the convex edge (14) at equal intervals, a circular positioning plate (3) is detachably covered on the opening (13), a positioning through hole (31) is arranged on a plate body of the positioning plate (3) corresponding to the fixing hole (141), the positioning plate (3) and the convex edge (14) are fixed together through the positioning through hole (31) and a bolt corresponding to the fixing hole (141), a positioning concave part (32) is arranged at the central position of the positioning plate (3), and a second positioning concave part (15) is arranged at the central position of the other end of the oil cylinder opposite to the opening (13) of the oil cylinder.
2. The fixture according to claim 1, wherein: the positioning plate (3) is provided with a plate body through hole (33) which can adjust the gravity center position of the positioning plate (3) to ensure that the gravity center position of the positioning plate (3) is superposed with the positioning concave part (32).
3. The fixture according to claim 2, wherein: the plate body through holes (33) are arranged at intervals on the circumference surrounding the second positioning concave part (15).
4. The fixture according to claim 1, wherein: the outer edge of the positioning plate (3) and the outer edge of the convex edge (14) are positioned on the same circumference.
5. A fixation device as claimed in any one of claims 1 to 4, wherein: the oil cylinder is composed of a cylindrical body (1) and a conical body (2), the convex edge (11) is arranged on an opening at one end of the cylindrical body (1), and the end part of the conical body (2) is a plane which can facilitate the positioning of the oil cylinder.
6. The fixture according to claim 5, wherein: a protection plate (22) is connected to the end of the conical body (2), and the second positioning convex portion (15) is located at the center of the protection plate (22).
7. The fixture according to claim 5, wherein: the connection part of the conical body (2) and the cylindrical body (1) is an inward concave arc surface (21).
8. The fixture according to claim 5, wherein: an annular groove (11) is formed in the outer surface of the cylindrical body (1) close to the joint of the conical body (2) and the cylindrical body (1), a sealing ring (12) is sleeved in the annular groove (11), and the top surface of the sealing ring (12) is higher than the outer surface of the cylindrical body (1).
9. The fixture according to claim 8, wherein: three to six annular grooves (11) are arranged, and the annular grooves (11) are axially arranged at intervals along the cylindrical body (1).
10. The fixture according to claim 9, wherein: the sealing rings (12) are U-shaped sealing rings with notches, and the notches (121) of the adjacent U-shaped sealing rings are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182129.7U CN215789392U (en) | 2021-09-09 | 2021-09-09 | Fixing device for oil cylinder machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122182129.7U CN215789392U (en) | 2021-09-09 | 2021-09-09 | Fixing device for oil cylinder machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215789392U true CN215789392U (en) | 2022-02-11 |
Family
ID=80158245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122182129.7U Active CN215789392U (en) | 2021-09-09 | 2021-09-09 | Fixing device for oil cylinder machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215789392U (en) |
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2021
- 2021-09-09 CN CN202122182129.7U patent/CN215789392U/en active Active
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