CN216829551U - Hydraulic cylinder and locking tool for inner and outer locking rings of hydraulic cylinder - Google Patents
Hydraulic cylinder and locking tool for inner and outer locking rings of hydraulic cylinder Download PDFInfo
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- CN216829551U CN216829551U CN202220225862.4U CN202220225862U CN216829551U CN 216829551 U CN216829551 U CN 216829551U CN 202220225862 U CN202220225862 U CN 202220225862U CN 216829551 U CN216829551 U CN 216829551U
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Abstract
The utility model relates to an inside and outside locking ring locking frock of pneumatic cylinder and pneumatic cylinder solves traditional oil blanket locking frock and exists and align inaccurately at the material loading, locking ring screw dislocation scheduling problem, influences product quality's problem. The utility model discloses a pneumatic cylinder is locked respectively internally high-pressure oil blanket, outer high-pressure oil blanket and outer low pressure oil blanket with interior lock ring and outer lock ring. The utility model discloses an inside and outside locking ring locking frock of pneumatic cylinder is equipped with the locking station in the frame, locking station lower part is equipped with the pneumatic cylinder positioning seat, but locking station upper portion is equipped with the interior lock ring rotary mechanism and the outer lock ring rotary mechanism of translation, lift, and locking station top is equipped with the moment of torsion rifle that can just reverse, the fixed first vertical guide rail that supplies the moment of torsion rifle to go up and down that is equipped with in the frame. The hydraulic cylinder of the utility model has good sealing effect; the locking tool adopts a torque gun to simultaneously complete the locking of the inner locking ring and the outer locking ring, the torque gun can rotate forward and backward, the torque gun rotates reversely and aligns before locking, and the dislocation of threads during locking is avoided.
Description
Technical Field
The utility model belongs to automobile parts and processingequipment field thereof relates to an inside and outside locking ring locking frock of pneumatic cylinder and pneumatic cylinder.
Background
The use working condition of automobile parts is complicated, and most of automobile parts have higher leakproofness requirement. The hydraulic cylinder is a component housed in the hydraulic actuator and is moved by a piston for pumping oil to the clutch. The hydraulic cavity of the hydraulic cylinder is provided with an oil seal to meet the sealing requirement, and the oil seal needs to be locked by a locking device. Locking device's locking effect direct relation to the reliability of oil blanket, traditional oil blanket locking frock exists the material loading and aligns not accurately, and locking ring screw thread dislocation scheduling problem influences product quality.
Disclosure of Invention
The utility model aims to solve traditional oil blanket locking frock and exist and align inaccurately at the material loading, locking ring screw thread dislocation scheduling problem influences product quality's problem, provides a inside and outside locking ring locking frock of pneumatic cylinder and pneumatic cylinder, guarantees structure safety through multiple oil blanket to a negative pressure is adsorbed, the upset mode of recognizing the cap improves the alignment condition of locking ring in the course of working, guarantee oil blanket stable in quality.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a hydraulic cylinder, includes the cylinder body, is equipped with annular hydraulic pressure chamber in the cylinder body, and hydraulic pressure chamber front end opening sets up cylindric piston, be equipped with interior high pressure oil blanket between hydraulic pressure intracavity wall and the piston inner wall, interior high pressure oil blanket front end pressure is equipped with interior lock ring, and hydraulic pressure intracavity wall front end sets up the external screw thread with interior lock ring threaded connection, from the back to setting gradually outer high pressure oil blanket, clamping ring, outer low pressure oil blanket between hydraulic pressure chamber outer wall and the piston outer wall, and outer low pressure oil blanket front end pressure is equipped with outer lock ring, and hydraulic pressure chamber outer wall front end is provided with the internal thread with outer lock ring threaded connection.
The device uses the inner high-pressure oil seal to form the hydraulic cavity seal at the inner side of the piston, and uses the outer high-pressure oil seal and the outer low-pressure oil seal as the hydraulic cavity seal at the outer side of the piston. And the oil seal is locked by the inner locking ring and the outer locking ring respectively.
Preferably, the inner high-pressure oil seal, the outer high-pressure oil seal and the outer low-pressure oil seal are all herringbone, and herringbone openings of the inner high-pressure oil seal, the outer high-pressure oil seal and the outer low-pressure oil are all arranged towards the back. Interior high pressure oil blanket, outer high pressure oil blanket and outer low pressure oil blanket are herringbone structure, and the pressure in hydraulic pressure intracavity portion becomes and to establish the laminating on the piston surface with the stabilizer blade pressure of chevron shape, and interior pressure is big more, and sealed laminating power is also big more, forms the auto-lock effect.
Preferably, the inner locking ring and the outer locking ring are both plastic pieces.
The utility model provides an inside and outside locking ring locking frock of pneumatic cylinder, is applicable to above-mentioned pneumatic cylinder, which comprises a frame, be equipped with the locking station in the frame, locking station lower part is equipped with the pneumatic cylinder positioning seat, but locking station upper portion is equipped with translation, lift interior lock ring rotary mechanism and outer lock ring rotary mechanism, and locking station top is equipped with the moment of torsion rifle that can just reverse, the fixed first vertical guide rail that supplies the moment of torsion rifle to go up and down that is equipped with in the frame. The device can complete the screwing of the inner locking ring and the outer locking ring by using a torque gun through the translation switching of the inner locking ring rotating mechanism and the outer locking ring rotating mechanism. The torque gun has a positive and negative rotation function, and the direct positive rotation screwing possibly has the defects that the threads are not aligned, so that the torque is too large in the screwing process, and the sliding thread is even blocked; through the reversal, carry out one between inside and outside locking ring and the pneumatic cylinder screw thread and recognize the cap process, the corotation is turned round tightly afterwards, guarantees fully to cooperate between the screw thread, prevents to produce the crackle and influences product quality. The torque gun lifting, the translation and lifting of the inner locking ring rotating mechanism and the outer locking ring rotating mechanism can be driven by an air cylinder or an electric cylinder.
Preferably, the locking station is provided with a transverse sliding rail, a sliding plate is arranged on the transverse sliding rail in a sliding mode, a second vertical guide rail is arranged on the sliding plate, a sliding seat is arranged on the second vertical guide rail, and the inner locking ring tool and the outer locking ring tool are arranged on the sliding seat.
As another preferred mode, the locking station is provided with a second vertical guide rail, a sliding plate is arranged on the second vertical guide rail in a sliding mode, a transverse sliding rail is arranged on the sliding plate, a sliding seat is arranged on the transverse sliding rail, and the inner locking ring tool and the outer locking ring tool are arranged on the sliding seat. The transverse sliding rail and the second vertical sliding rail form a cross translation and lifting system, and the mutual installation sequence of the transverse sliding rail and the second vertical sliding rail can be exchanged without influencing the use.
Preferably, the inner locking ring rotating mechanism comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head butted with the torque gun, and the lower end of the rotating part drives the inner locking ring to rotate; the outer locking ring rotating mechanism comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head in butt joint with the torque gun, and the lower end of the rotating part drives the outer locking ring to rotate.
Preferably, the lower end faces of the shells of the inner locking ring rotating mechanism and the outer locking ring rotating mechanism are provided with negative pressure adsorption holes, and the negative pressure adsorption holes are connected with a negative pressure pump through air pipes. The inner locking ring rotating mechanism and the outer locking ring rotating mechanism are positioned by negative pressure adsorption, the inner locking ring and the outer locking ring cannot be damaged, and meanwhile, the consistency of the material loading position can be ensured during manual material loading.
Preferably, the bottom of the rack is provided with a turntable capable of rotating for 360 degrees, the turntable is provided with a feeding station and a locking station at an interval of 180 degrees, and the feeding station and the locking station have the same structure and rotate for 180 degrees for mutual conversion. The feeding station and the locking station are switched in a rotating mode, and production efficiency is improved.
Preferably, a pressing and fixing tool for pressing the hydraulic cylinder is arranged on the outer side of the locking station. Certain vibration can be generated when the locking station is screwed down, so that the pressing and fixing tool is adopted to press the hydraulic cylinder. The pressing and fixing tool does not rotate along with the turntable.
The hydraulic cylinder of the utility model has good sealing effect; the locking tool for the inner and outer locking rings of the hydraulic cylinder adopts a torque gun to simultaneously complete locking of the inner and outer locking rings, the torque gun can rotate forward and backward, the torque gun rotates reversely and aligns before locking, thread dislocation is avoided during locking, cracks are prevented from influencing product quality, feeding positioning of the inner and outer locking rings is completed by negative pressure adsorption, and the tool is free of damage to products and good in feeding consistency.
Drawings
The present invention will be further explained with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a hydraulic cylinder according to the present invention.
Fig. 2 is an exploded schematic view of a hydraulic cylinder according to the present invention.
Fig. 3 is the structural schematic diagram of the locking tool for the inner and outer locking rings of the hydraulic cylinder of the present invention.
Fig. 4 is a schematic structural diagram of the locking station in fig. 3 according to the present invention.
In the figure: 1. the hydraulic cylinder comprises a cylinder body, 2, a hydraulic cavity, 3, an inner high-pressure oil seal, 4, an inner locking ring, 5, an outer high-pressure oil seal, 6, a compression ring, 7, an outer low-pressure oil seal, 8, an outer locking ring, 9, an O-shaped ring, 10, a rack, 11, a rotary table, 12, a locking station, 13, a loading station, 14, a torque gun, 15, a first vertical slide rail, 16, a pressing fixing tool, 17, a first lifting cylinder, 18, a hydraulic cylinder positioning seat, 19, an inner locking ring rotating mechanism, 20, an outer locking ring rotating mechanism, 21, a rotary head, 22, a transverse slide rail, 23, a sliding plate, 24, a sliding seat, 25 and a second lifting cylinder.
Detailed Description
The present invention will be further described with reference to the following specific embodiments and accompanying drawings.
Example 1: a hydraulic cylinder, as shown in fig. 1 and 2. This device includes cylinder body 1, is equipped with annular hydraulic pressure chamber 2 in the cylinder body, and hydraulic pressure chamber front end opening sets up cylindric piston, and the piston is packed into after the installation of the inside and outside locking ring of pneumatic cylinder is accomplished, consequently does not draw in this embodiment picture, be equipped with interior high pressure oil blanket 3 between 2 inner walls in hydraulic pressure chamber and the piston inner wall, interior high pressure oil blanket front end is pressed and is equipped with interior locking ring 4, and hydraulic pressure intracavity wall front end sets up the external screw thread with interior locking ring threaded connection, from the back to setting gradually outer high pressure oil blanket 5, clamping ring 6, outer low pressure oil blanket 7 between 2 outer walls in hydraulic pressure chamber and the piston outer wall, and outer low pressure oil blanket front end is pressed and is equipped with outer locking ring 8, and hydraulic pressure intracavity wall front end is provided with the internal thread with outer locking ring threaded connection. The outer wall of the pressure ring 6 is also provided with an O-shaped ring 9. The inner high-pressure oil seal 3, the outer high-pressure oil seal 5 and the outer low-pressure oil seal 7 are all herringbone, and herringbone openings of the inner high-pressure oil seal, the outer high-pressure oil seal and the outer low-pressure oil are all arranged towards the back. The inner locking ring and the outer locking ring are plastic parts.
The inner locking ring and the outer locking ring lock the oil seal. Interior high pressure oil blanket, outer high pressure oil blanket and outer low pressure oil blanket are herringbone structure, and the pressure in hydraulic pressure intracavity portion becomes and to establish the laminating on the piston surface with the stabilizer blade pressure of chevron shape, and interior pressure is big more, and sealed laminating power is also big more, forms the auto-lock effect.
Example 2: a locking tool for inner and outer locking rings of a hydraulic cylinder is used for completing installation of the inner and outer locking rings of the hydraulic cylinder in embodiment 1, and is shown in figures 3 and 4. The device comprises a frame 10, wherein a rotary table 11 capable of rotating 360 degrees is arranged at the bottom of the frame, a feeding station 13 and a locking station 12 are arranged on the rotary table at an interval of 180 degrees, and the feeding station 13 and the locking station 12 are identical in structure and rotate 180 degrees for mutual conversion.
As shown in fig. 4, a hydraulic cylinder positioning seat 18 is arranged at the lower part of the locking station 12, an inner locking ring rotating mechanism 19 and an outer locking ring rotating mechanism 20 which can move horizontally and lift are arranged at the upper part of the locking station, a torque gun 14 which can rotate forward and backward is arranged above the locking station 12, a first vertical guide rail 15 for lifting the torque gun is fixedly arranged on the rack, and the torque gun is driven to lift through a first lifting cylinder 17. And a pressing and fixing tool 16 for pressing the hydraulic cylinder is arranged on the outer side of the locking station. The locking station 12 is provided with a transverse slide rail 22, a slide plate 23 is arranged on the transverse slide rail in a sliding manner, a second vertical guide rail is arranged on the slide plate, a slide seat 24 is arranged on the second vertical guide rail, and an inner locking ring tool and an outer locking ring tool are arranged on the slide seat 24. The slide is driven to move up and down by a second lifting cylinder 25.
The inner locking ring rotating mechanism 19 comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head 21 butted with the torque gun, and the lower end of the rotating part drives the inner locking ring to rotate; the outer locking ring rotating mechanism 20 comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head 21 butted with the torque gun, and the lower end of the rotating part drives the outer locking ring to rotate. The lower end faces of the shells of the inner locking ring rotating mechanism and the outer locking ring rotating mechanism are provided with negative pressure adsorption holes, and the negative pressure adsorption holes are connected with a negative pressure pump through air pipes.
Through the translation switching of interior lock ring rotary mechanism and outer lock ring rotary mechanism, can accomplish the screwing up of interior lock ring and outer lock ring with a moment of torsion rifle. The torque gun has a positive and negative rotation function, a torque peak value is preset, and direct positive rotation screwing possibly has no alignment between threads, so that the torque is too large in the screwing process, and a sliding wire is even blocked; through the reversal, carry out one between inside and outside locking ring and the pneumatic cylinder screw thread and recognize the cap process, the corotation is turned round tightly afterwards, guarantees fully to cooperate between the screw thread, prevents to produce the crackle and influences product quality. The torque gun tightening mode is divided into three stages: and in the processes of cap identification and tightening, the set peak torque is reached, and finally, the tight contact between the inner and outer locking rings and the hydraulic cylinder is determined through the peak torque. The inner locking ring rotating mechanism and the outer locking ring rotating mechanism are positioned by negative pressure adsorption, the inner locking ring and the outer locking ring cannot be damaged, and meanwhile, the consistency of the material loading position can be ensured during manual material loading. The feeding station and the locking station are switched in a rotating mode, and production efficiency is improved.
Claims (10)
1. The utility model provides a hydraulic cylinder, includes the cylinder body, is equipped with annular hydraulic pressure chamber in the cylinder body, and hydraulic pressure chamber front end opening sets up cylindric piston, its characterized in that: be equipped with interior high pressure oil blanket between hydraulic pressure intracavity wall and the piston inner wall, interior high pressure oil blanket front end is pressed and is equipped with interior lock ring, and hydraulic pressure intracavity wall front end sets up the external screw thread with interior lock ring threaded connection, from the back to setting gradually outer high pressure oil blanket, clamping ring, outer low pressure oil blanket between hydraulic pressure intracavity wall and the piston outer wall, and outer low pressure oil blanket front end is pressed and is equipped with outer lock ring, and hydraulic pressure intracavity wall front end is provided with the internal thread with outer lock ring threaded connection.
2. A hydraulic cylinder according to claim 1, wherein: the inner high-pressure oil seal, the outer high-pressure oil seal and the outer low-pressure oil seal are all herringbone, and herringbone openings of the inner high-pressure oil seal, the outer high-pressure oil seal and the outer low-pressure oil are all arranged towards the back.
3. A hydraulic cylinder according to claim 1, wherein: the inner locking ring and the outer locking ring are both plastic parts.
4. A locking frock of locking ring inside and outside pneumatic cylinder, be applicable to the pneumatic cylinder of any one of claims 1-3, including the frame, its characterized in that: the improved torque gun locking device is characterized in that a locking station is arranged on the frame, a hydraulic cylinder positioning seat is arranged on the lower portion of the locking station, an inner locking ring rotating mechanism and an outer locking ring rotating mechanism which can move horizontally and lift are arranged on the upper portion of the locking station, a torque gun which can rotate forward and backward is arranged above the locking station, and a first vertical guide rail for lifting the torque gun is fixedly arranged on the frame.
5. The locking tool for the inner and outer locking rings of the hydraulic cylinder according to claim 4, wherein: the locking station is provided with a transverse sliding rail, a sliding plate is arranged on the transverse sliding rail in a sliding mode, a second vertical guide rail is arranged on the sliding plate, a sliding seat is arranged on the second vertical guide rail, and an inner locking ring tool and an outer locking ring tool are arranged on the sliding seat.
6. The locking tool for the inner and outer locking rings of the hydraulic cylinder according to claim 4, wherein: the locking station is provided with a second vertical guide rail, a sliding plate is arranged on the second vertical guide rail in a sliding mode, a transverse sliding rail is arranged on the sliding plate, a sliding seat is arranged on the transverse sliding rail, and an inner locking ring tool and an outer locking ring tool are arranged on the sliding seat.
7. The locking tool for the inner and outer locking rings of the hydraulic cylinder according to claim 4, 5 or 6, characterized in that: the inner locking ring rotating mechanism comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head butted with the torque gun, and the lower end of the rotating part drives the inner locking ring to rotate; the outer locking ring rotating mechanism comprises a shell and a rotating part driven by the torque gun, the upper end of the rotating part is a rotating head in butt joint with the torque gun, and the lower end of the rotating part drives the outer locking ring to rotate.
8. The locking tool for the inner and outer locking rings of the hydraulic cylinder according to claim 7, characterized in that: the lower end faces of the shells of the inner locking ring rotating mechanism and the outer locking ring rotating mechanism are provided with negative pressure adsorption holes, and the negative pressure adsorption holes are connected with a negative pressure pump through air pipes.
9. The tool for locking the inner and outer locking rings of the hydraulic cylinder according to claim 4, 5 or 6, characterized in that: the rotary table capable of rotating 360 degrees is arranged at the bottom of the rack, the feeding station and the locking station are arranged on the rotary table at an interval of 180 degrees, and the feeding station and the locking station are identical in structure and rotate 180 degrees for mutual conversion.
10. The locking tool for the inner and outer locking rings of the hydraulic cylinder according to claim 4, 5 or 6, characterized in that: and a pressing and fixing tool for pressing the hydraulic cylinder is arranged on the outer side of the locking station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225862.4U CN216829551U (en) | 2022-01-27 | 2022-01-27 | Hydraulic cylinder and locking tool for inner and outer locking rings of hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220225862.4U CN216829551U (en) | 2022-01-27 | 2022-01-27 | Hydraulic cylinder and locking tool for inner and outer locking rings of hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216829551U true CN216829551U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220225862.4U Active CN216829551U (en) | 2022-01-27 | 2022-01-27 | Hydraulic cylinder and locking tool for inner and outer locking rings of hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216829551U (en) |
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2022
- 2022-01-27 CN CN202220225862.4U patent/CN216829551U/en active Active
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