CN214723882U - Rotary tool for disassembling and assembling thin type oil cylinder front end cover - Google Patents
Rotary tool for disassembling and assembling thin type oil cylinder front end cover Download PDFInfo
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- CN214723882U CN214723882U CN202120926417.6U CN202120926417U CN214723882U CN 214723882 U CN214723882 U CN 214723882U CN 202120926417 U CN202120926417 U CN 202120926417U CN 214723882 U CN214723882 U CN 214723882U
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- end cover
- positioning ribs
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Abstract
The utility model discloses a rotary tool for dismounting a thin oil cylinder front end cover, which comprises a sleeve, wherein an inner cavity which is sleeved with an oil cylinder push rod gap is arranged inside the sleeve; positioning ribs are welded on the outer peripheral surface of the sleeve, the positioning ribs are matched with the axial position and the aperture size of a connecting hole in the front end cover of the oil cylinder, and the positioning ribs extend out of the bottom of the sleeve in a direction parallel to the sleeve; and a hexagonal nut is welded at the top of the sleeve. The utility model is suitable for a dismantlement of the slim hydro-cylinder of casting core shooting machine upper core box, this frock simple structure part is small in quantity, convenient operation, very big improvement the efficiency of work, also reduced workman's intensity of labour simultaneously.
Description
Technical Field
The utility model relates to a machine parts assembles technical field, specifically is a rotatory frock of slim hydro-cylinder front end housing of dismouting.
Background
The oil cylinder is an actuating element for converting hydraulic energy into mechanical energy. The core-box core-pulling mechanism on the casting core-shooting machine is often applied to an oil cylinder. The cylinder generally comprises a cylinder barrel, a cylinder cover, a piston rod, a sealing device, a buffering device, an exhaust device and the like. Because some sealing elements in the oil cylinder are easy to damage after working for a period of time, the front end cover of the oil cylinder needs to be detached to replace the sealing elements which are easy to damage in the oil cylinder. Generally, an oil cylinder on a core shooting machine is suitable for structural requirements of a core box and a casting part, an end cover is designed to be lighter, thinner and more sunken, the area of stress points around the front end cover of the oil cylinder is extremely small, calipers are used for dismounting the front end cover of the oil cylinder, dismounting efficiency is low and nonstandard, and the oil cylinder can only be scrapped due to dismounting problems, so that the tool convenient for dismounting the upper cover of the oil cylinder is needed.
The patent number "CN 203831326U" discloses a dismounting device for an upper cover of an oil cylinder, wherein the oil cylinder comprises a cylinder body and the upper cover, the cylinder body is provided with a mounting hole, the dismounting device comprises a base and a vertical limiting plate on the base, and a plurality of positioning holes matched and connected with the mounting hole are arranged on the base and the limiting plate; the cylinder body is characterized by further comprising a rotary table, a through hole capable of allowing the piston rod to penetrate is formed in the middle of the rotary table in the axial direction, at least two threaded through holes formed in the position, close to the edge, of the rotary table, threaded connecting holes are formed in the upper cover of the cylinder body and are connected with the threaded connecting holes in a matched mode through bolts or screws, and rotating arms are arranged on the outer peripheral face of the rotary table.
Above-mentioned current hydro-cylinder upper cover extracting tool has following defect:
1. the threaded hole on the rotary table is matched with the threaded hole of the oil cylinder cover at the same time, and the machining precision requirement is high;
2. during disassembly, a blind hole needs to be aligned with a threaded hole of the oil cylinder cover for a threaded hole on the turntable, and an operation blind area can be formed;
3. the existing oil cylinder upper cover disassembling tool has the disadvantages of more parts, more mounting steps, inconvenience in operation and easiness in damaging an oil cylinder push rod.
The information disclosed in the background section above is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
The problem to prior art exists, the utility model provides a rotatory frock of slim hydro-cylinder front end housing of dismouting is applicable to the dismantlement of the slim hydro-cylinder of casting core shooting machine upper core box, and this frock simple structure part is small in quantity, and convenient operation, very big improvement the efficiency of work, also reduced workman's intensity of labour simultaneously.
In order to realize the purpose of the utility model, the technical scheme of the utility model is as follows:
a rotary tool for dismounting a front end cover of a thin oil cylinder comprises a sleeve, wherein an inner cavity which is in clearance sleeve joint with an oil cylinder push rod is arranged inside the sleeve; positioning ribs are welded on the outer peripheral surface of the sleeve, the positioning ribs are matched with the axial position and the aperture size of a connecting hole in the front end cover of the oil cylinder, and the positioning ribs extend out of the bottom of the sleeve in a direction parallel to the sleeve; and a hexagonal nut is welded at the top of the sleeve.
Specifically, the length of the positioning ribs extending out of the bottom of the sleeve is 5-10 cm.
Specifically, the number of the positioning ribs is 4, and an included angle between two adjacent positioning ribs is 90 degrees.
Specifically, the diameter of the positioning rib is 2-6 cm.
Specifically, the length of the sleeve is more than or equal to 30 cm.
The utility model has the advantages that:
the utility model has the advantages that the sleeve is sleeved with the oil cylinder push rod, the welding positioning ribs are inserted into the connecting holes on the front end cover of the oil cylinder on the outer peripheral surface of the sleeve, the sleeve can be quickly disassembled only by twisting the hexagon nut at the top of the sleeve when in use, the tool is only a part, the installation steps are few, the structure is simple, and great convenience is brought to maintenance; compared with the disassembling tool for the upper cover of the oil cylinder in the prior art, the disassembling tool for the upper cover of the oil cylinder can be cooperatively welded with the front end cover of the oil cylinder, is low in precision requirement, can also be used for quickly performing precision adjustment operation through a visible region, has no operation blind area, has the characteristic of convenience in operation, improves the working efficiency, and has a popularization prospect in the disassembling application of the thin oil cylinder of the upper core box of the casting core shooter.
Drawings
Fig. 1 is a schematic structural view of the rotary tool for disassembling and assembling the thin front end cover of the oil cylinder of the present invention.
Fig. 2 is a schematic view of the rotary tool for disassembling and assembling the front end cover of the thin cylinder of the present invention.
In the figure, 1-sleeve, 2-positioning rib, 3-hexagon nut, 4-oil cylinder push rod, 5-oil cylinder front end cover and 6-connecting hole.
Detailed Description
The technical contents, the objects to be achieved, and the effects of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model provides a rotary tool for disassembling and assembling a thin type oil cylinder front end cover, which comprises a whole welded by a sleeve 1, a positioning rib 2 and a hexagon nut 3.
The sleeve 1 is internally provided with an inner cavity and is used for being in clearance sleeve joint with the oil cylinder push rod 4;
the positioning rib 2 is welded on the outer peripheral surface of the sleeve 1, the axial position and the aperture size of the positioning rib 2 are matched with those of a connecting hole 6 on the front end cover 5 of the oil cylinder, and the positioning rib 2 extends out of the bottom of the sleeve 1 in a direction parallel to the sleeve 1 and is used for being inserted into the connecting hole 6 on the front end cover 5 of the oil cylinder;
the hexagonal nut 3 is welded at the top of the sleeve 1 and used for enabling the whole tool to rotate under stress.
The utility model discloses a use method as follows: referring to fig. 2, the oil cylinder to be disassembled can be fixed on the bench, when in use, the sleeve 1 is sleeved with the oil cylinder push rod 4, the welding positioning ribs 2 are inserted into the connecting holes 6 on the oil cylinder front end cover 5 on the outer peripheral surface of the sleeve 1, and the oil cylinder front end cover 5 can be disassembled quickly by only twisting the hexagon nut 3 on the top of the sleeve 1.
The tool of the embodiment is only one part, has the characteristics of few installation steps and simple structure, and brings great convenience to maintenance; compare the dismantlement frock of prior art's hydro-cylinder upper cover, the processing of this frock can cooperate with hydro-cylinder front end housing 5 to join in marriage the welding, insert location rib 2 in connecting hole 6 location, the sleeve pipe 1 of selecting suitable length and internal diameter inserts hydro-cylinder push rod 4, location rib 2 can join in marriage with sleeve pipe 1 and weld, the required precision is low, also can carry out the precision adjustment operation fast through visible region, there is not the operation blind area, has convenient operation's characteristics, the efficiency of work is improved, the dismantlement of the thin hydro-cylinder of core box on the casting core shooting machine is used and is had the popularization prospect.
As a preferred technical scheme of the embodiment, the number of the positioning ribs 2 is 4, an included angle between two adjacent positioning ribs 2 is 90 °, axial contact area is increased for the front end cover 5 of the oil cylinder through the 4 positioning ribs 2, and area of a stress point is correspondingly increased; the length of the positioning ribs 2 extending out of the bottom of the sleeve 1 is 8cm, so that the deformation of the positioning ribs 2 caused by insufficient or overlong stress area due to too short length is avoided; the diameter of the positioning rib 2 is 4cm, and the length of the sleeve 1 is 43cm, so that the positioning rib is matched with a thin oil cylinder of an upper core box of a casting core shooter.
Although the invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that modifications and improvements can be made thereto. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (5)
1. A rotary tool for dismounting a front end cover of a thin oil cylinder comprises a sleeve (1), wherein an inner cavity which is in clearance sleeve joint with an oil cylinder push rod (4) is formed in the sleeve (1); the method is characterized in that: the positioning device is characterized in that positioning ribs (2) are welded on the outer peripheral surface of the sleeve (1), the axial positions and the pore sizes of the positioning ribs (2) and connecting holes (6) in an oil cylinder front end cover (5) are matched, and the positioning ribs (2) extend out of the bottom of the sleeve (1) in a direction parallel to the sleeve (1); the top of the sleeve (1) is also welded with a hexagonal nut (3).
2. The rotary tool for disassembling and assembling the front end cover of the thin oil cylinder according to claim 1, and is characterized in that: the length of the positioning ribs (2) extending out of the bottom of the sleeve (1) is 5-10 cm.
3. The rotary tool for disassembling and assembling the front end cover of the thin oil cylinder according to claim 1, and is characterized in that: the number of the positioning ribs (2) is 4, and the included angle between every two adjacent positioning ribs (2) is 90 degrees.
4. The rotary tool for disassembling and assembling the front end cover of the thin oil cylinder according to claim 1, and is characterized in that: the diameter of the positioning ribs (2) is 2-6 cm.
5. The rotary tool for disassembling and assembling the front end cover of the thin oil cylinder according to claim 1, and is characterized in that: the length of the sleeve (1) is more than or equal to 30 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926417.6U CN214723882U (en) | 2021-04-30 | 2021-04-30 | Rotary tool for disassembling and assembling thin type oil cylinder front end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120926417.6U CN214723882U (en) | 2021-04-30 | 2021-04-30 | Rotary tool for disassembling and assembling thin type oil cylinder front end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214723882U true CN214723882U (en) | 2021-11-16 |
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ID=78615952
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120926417.6U Active CN214723882U (en) | 2021-04-30 | 2021-04-30 | Rotary tool for disassembling and assembling thin type oil cylinder front end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214723882U (en) |
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2021
- 2021-04-30 CN CN202120926417.6U patent/CN214723882U/en active Active
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