CN210343889U - Supercharging device for hydraulic cylinder - Google Patents
Supercharging device for hydraulic cylinder Download PDFInfo
- Publication number
- CN210343889U CN210343889U CN201921422834.6U CN201921422834U CN210343889U CN 210343889 U CN210343889 U CN 210343889U CN 201921422834 U CN201921422834 U CN 201921422834U CN 210343889 U CN210343889 U CN 210343889U
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- cylinder
- piston
- cylinder body
- pressure
- fixedly connected
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- 230000000875 corresponding Effects 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 230000000630 rising Effects 0.000 abstract description 2
- 239000007858 starting material Substances 0.000 abstract description 2
- 230000002093 peripheral Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
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Abstract
The utility model discloses a supercharging device for pneumatic cylinder, which comprises a cylinder body, the inside fixedly connected with pressure cylinder of cylinder body, the inside sliding connection of pressure cylinder has the pressure boost piston, the inside sliding connection of the rear pressure cylinder of pressure boost piston has the piston board, the central department threaded connection of piston board has the threaded rod, the one end fixedly connected with motor cover of cylinder body, the inside center department fixedly connected with torsion motor of motor cover, the central pivot department fixedly connected with threaded rod of torsion motor, the other end fixedly connected with cylinder cap of cylinder body, one side of cylinder body is provided with the hydraulic pressure oil inlet, the rear side of the inside pressure boost piston of pressure boost cylinder is provided with the check valve, the corresponding department of the inner wall check valve of cylinder body is provided with the pressure boost hydraulic fluid port. The utility model discloses a threaded rod drives the piston board and goes up and down, when pressure reachs the critical point, can the starter motor pressure boost once more, and the rising of threaded rod changes in control, and pressure control is more accurate.
Description
Technical Field
The utility model relates to a hydraulic equipment field especially relates to a supercharging device for pneumatic cylinder.
Background
The hydraulic cylinder is a hydraulic actuator which converts hydraulic energy into mechanical energy and performs linear reciprocating motion (or swinging motion). It has simple structure and reliable operation. When it is used to implement reciprocating motion, it can omit 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. The output force of the hydraulic cylinder is in direct proportion to the effective area of the piston and the pressure difference between the two sides of the effective area; the hydraulic cylinder is basically composed of a cylinder barrel and a cylinder cover, a piston and a piston rod, a sealing device, a buffering device and an exhaust device. The damping device and the exhaust device are determined according to specific application occasions, and other devices are necessary.
Most of the existing supercharging devices are used for primary supercharging, and the increased pressure is not easy to control.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a supercharging device for a hydraulic cylinder.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a supercharging device for pneumatic cylinder, includes the cylinder body, the inside fixedly connected with pressure cylinder of cylinder body, the inside sliding connection of pressure cylinder has the pressure boost piston, the inside sliding connection of the rear pressure cylinder of pressure boost piston has the piston board, the central threaded connection of department of piston board has the threaded rod, the one end fixedly connected with motor cover of cylinder body, fixedly connected with torsion motor is located at the inside center of motor cover, the fixedly connected with threaded rod is located in the center pivot of torsion motor, the other end fixedly connected with cylinder cap of cylinder body, one side of cylinder body is provided with the hydraulic pressure oil inlet, the rear side of the inside pressure boost piston of pressure boost cylinder is provided with the check valve, the department of correspondence of the inner wall check valve of cylinder body is provided with the pressure.
As a further description of the above technical solution:
the pressurizing oil port and the check valve are located in the same channel, a spring is arranged on the rear side of the check valve, and a small ball is arranged at the front end of the check valve.
As a further description of the above technical solution:
and a threaded hole corresponding to the threaded rod is formed in the center of the piston plate.
As a further description of the above technical solution:
an oil inlet is formed in the center of the cylinder cover.
As a further description of the above technical solution:
the motor sleeve is fixed at the tail end of the cylinder body through a screw.
As a further description of the above technical solution:
the pressure cylinder is provided with a threaded hole through the periphery, the periphery of the cylinder body is provided with a stepped pin hole corresponding to the cylinder body, and the cylinder body is connected with the pressure cylinder through a clinch screw.
As a further description of the above technical solution:
the pressurizing piston consists of a piston and a straight rod, a notch is formed in the piston, and a sealing ring is arranged at the notch.
The utility model discloses following beneficial effect has:
1. the utility model discloses a threaded rod drives the piston board and goes up and down, when pressure reachs the critical point, can the starter motor pressure boost once more, and the rising of threaded rod changes in control, and pressure control is more accurate.
2. The utility model discloses a set up the check valve, prevent that pressure is too big, the hydraulic oil backward flow.
Drawings
Fig. 1 is a front sectional view of a pressurizing device for a hydraulic cylinder according to the present invention;
fig. 2 is a schematic diagram of a piston plate of a supercharging device for a hydraulic cylinder according to the present invention;
fig. 3 is a cross-sectional view of a booster cylinder of a boosting device for a hydraulic cylinder at a position of a piston plate according to the present invention.
Illustration of the drawings:
1. a cylinder body; 2. a cylinder cover; 3. a booster piston; 4. a torque motor; 5. a threaded rod; 6. a pressure boosting oil port; 7. a check valve; 8. a booster cylinder; 9. a hydraulic oil inlet; 10. a motor cover; 11. a piston plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-3, the present invention provides an embodiment: a supercharging device for a hydraulic cylinder comprises a cylinder body 1, a supercharging cylinder 8 is fixedly connected inside the cylinder body 1, the pressure inside the hydraulic cylinder is increased through the supercharging cylinder 8, a supercharging piston 3 is connected inside the supercharging cylinder 8 in a sliding mode, the pressure inside the hydraulic cylinder is increased through reduction of the pressure inside the hydraulic cylinder by the supercharging piston 3, a piston plate 11 is connected inside the supercharging cylinder 8 behind the supercharging piston 3 in a sliding mode, secondary pressurization is carried out through the piston plate 11, a threaded rod 5 is connected at the center of the piston plate 11 in a threaded mode, pressurization is carried out in a mode that the piston plate 11 is driven by the threaded rod 5, a motor sleeve 10 is fixedly connected to one end of the cylinder body 1 and used for fixing and placing a torsion motor 4, a torsion motor 4 is fixedly connected to the center inside of the motor sleeve 10, the piston plate 11 is driven to push forwards through high torsion of the torsion motor 4, the other end fixedly connected with cylinder cap 2 of cylinder body 1, cylinder cap 2 is a part of pneumatic cylinder, and one side of cylinder body 1 is provided with hydraulic pressure oil inlet 9 for put into hydraulic oil, and the rear side of the inside pressure boost piston 3 of pressure cylinder 8 is provided with check valve 7, prevents the hydraulic oil backward flow, and the department of correspondence of the inner wall check valve 7 of cylinder body 1 is provided with pressure boost hydraulic fluid port 6 for promote pressure boost piston 3.
The pressurizing oil port 6 and the check valve 7 are located in the same channel, a spring is arranged on the rear side of the check valve 7 to pull the small ball, the small ball is prevented from being washed away by hydraulic oil, and the front end of the small ball is a small ball. The center of the piston plate 11 is provided with a threaded hole corresponding to the threaded rod 5 for transmitting power. An oil inlet is formed in the center of the cylinder cover 2 and used for placing hydraulic oil. The motor sleeve 10 is fixed at the tail end of the cylinder body 1 through screws. The pressurizing cylinder 8 is provided with a threaded hole through the peripheral side, the peripheral side of the cylinder body 1 is provided with a stepped pin hole corresponding to the threaded hole, and the cylinder body 1 and the pressurizing cylinder 8 are connected through a set screw. The pressurizing piston 3 consists of a piston and a straight rod, a gap is arranged at the piston, and a sealing ring is arranged at the gap.
The working principle is as follows: go to the oil inlet of 2 bottoms of cylinder cap from hydraulic pressure oil inlet 9 again, inside hydraulic cylinder is input to hydraulic cylinder with hydraulic oil, after the completion, in the pressure cylinder 8 is input to hydraulic oil from pressure boost hydraulic fluid port 6, hydraulic oil promotes pressure boost piston 3 and moves forward, increase the inside pressure of pneumatic cylinder, realize the pressure boost, when pressure boost piston 3 is because pressure can't continue, start torque motor 4, threaded rod 5 drives piston plate 11 and continues to push forward, carry out slow pressure boost, realize the secondary pressurization, prevent the hydraulic oil backward flow through check valve 7, during the decompression, open the oil discharge outlet of check valve 7 opposite face and carry out the oil discharge.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
1. A supercharging device for a hydraulic cylinder, comprising a cylinder body (1), characterized in that: a pressure cylinder (8) is fixedly connected inside the cylinder body (1), a pressure piston (3) is connected inside the pressure cylinder (8) in a sliding manner, a piston plate (11) is connected inside the pressurizing cylinder (8) behind the pressurizing piston (3) in a sliding way, a threaded rod (5) is connected with the center of the piston plate (11) through threads, one end of the cylinder body (1) is fixedly connected with a motor sleeve (10), the inner center of the motor sleeve (10) is fixedly connected with a torsion motor (4), a threaded rod (5) is fixedly connected at the central rotating shaft of the torque motor (4), the other end of the cylinder body (1) is fixedly connected with a cylinder cover (2), one side of the cylinder body (1) is provided with a hydraulic oil inlet (9), a check valve (7) is arranged at the rear side of the internal pressurizing piston (3) of the pressurizing cylinder (8), and a pressurizing oil port (6) is arranged at the corresponding position of the check valve (7) on the inner wall of the cylinder body (1).
2. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: the pressurizing oil port (6) and the check valve (7) are located in the same channel, a spring is arranged on the rear side of the check valve (7), and the front end of the check valve is a small ball.
3. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: and a threaded hole corresponding to the threaded rod (5) is formed in the center of the piston plate (11).
4. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: an oil inlet is formed in the center of the cylinder cover (2).
5. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: the motor sleeve (10) is fixed at the tail end of the cylinder body (1) through a screw.
6. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: the booster cylinder (8) is provided with a threaded hole through the periphery, the periphery of the cylinder body (1) is provided with a stepped pin hole corresponding to the periphery, and the cylinder body (1) is connected with the booster cylinder (8) through a set screw.
7. A supercharging arrangement for a hydraulic cylinder according to claim 1, characterized in that: the supercharging piston (3) consists of a piston and a straight rod, a notch is formed in the piston, and a sealing ring is arranged at the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422834.6U CN210343889U (en) | 2019-08-29 | 2019-08-29 | Supercharging device for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921422834.6U CN210343889U (en) | 2019-08-29 | 2019-08-29 | Supercharging device for hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210343889U true CN210343889U (en) | 2020-04-17 |
Family
ID=70176564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921422834.6U Active CN210343889U (en) | 2019-08-29 | 2019-08-29 | Supercharging device for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210343889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427811A (en) * | 2021-07-03 | 2021-09-24 | 江西乔扬数控设备有限公司 | Closed press with oil return device |
-
2019
- 2019-08-29 CN CN201921422834.6U patent/CN210343889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427811A (en) * | 2021-07-03 | 2021-09-24 | 江西乔扬数控设备有限公司 | Closed press with oil return device |
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