CN218542773U - Device for automatically switching operation speed of air cylinder - Google Patents
Device for automatically switching operation speed of air cylinder Download PDFInfo
- Publication number
- CN218542773U CN218542773U CN202221741113.3U CN202221741113U CN218542773U CN 218542773 U CN218542773 U CN 218542773U CN 202221741113 U CN202221741113 U CN 202221741113U CN 218542773 U CN218542773 U CN 218542773U
- Authority
- CN
- China
- Prior art keywords
- port
- cylinder
- control valve
- main control
- position sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a device of cylinder operation speed automatic switch relates to cylinder control technical field. The device for automatically switching the operation speed of the air cylinder comprises the air cylinder; the device also comprises a main control valve, wherein the main control valve is provided with an A1 port, a B1 port, an S1 port, an R1 port and a P1 port; the port B1 is connected with the rear cavity of the cylinder through a pipeline, the port A1 is connected with the front cavity of the cylinder through a pipeline, and the port P1 is connected with an air source; and one side of the three-way joint is connected with the S1 port and the R1 port of the main control valve through two pipelines respectively. The utility model discloses, through having increased an auxiliary control valve on carminative gas circuit, respectively added a position sensor in the position that cylinder both sides are close to the cylinder end cover, the cooperation choke valve, the cylinder operation in-process carries out the speed reduction operation when being close the terminal point, has slowed down striking and vibration, has realized the cylinder and has moved fast and slow speed automatic switching, has guaranteed the normal operating of the output location of cylinder and equipment.
Description
Technical Field
The utility model relates to a cylinder control technology field, concretely relates to device of cylinder operation speed automatic switch-over.
Background
The cylinder is a driving part which moves in a linear reciprocating way, and the linear reciprocating movement of the cylinder is realized mainly by controlling the air source pressure in the cylinder through a control valve in use.
Fig. 1 shows a conventional method for connecting a control valve to a cylinder, specifically: the front cylinder cavity 110 is connected with the port A1 of the main control valve 200, the rear cylinder cavity 120 is connected with the port B1 of the main control valve 200, and the port P1 of the main control valve 200 is connected with an air source.
The working state of the cylinder is as follows: a coil I210 of the main control valve 200 is electrified, a port B1 is ventilated, a port A1 is returned, and a port R1 is exhausted to push a cylinder piston to operate; when the coil II 220 is electrified, the port A1 is ventilated, the port B1 is ventilated, and the port S1 is exhausted to pull the piston of the cylinder to operate.
The connecting method of the air cylinder and the main control valve ensures that the air cylinder can only run at one speed under the influence of the pressure and the flow of the air flow, and when the piston of the air cylinder runs to the end points at two sides in a load state, the impact and the vibration are too large due to inertia, so that the output positioning of the air cylinder and the normal running of equipment are influenced.
Therefore, how to solve the technical problems is a technical problem to be solved in the technical field of cylinder control at present.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the embodiment of the utility model provides a device of cylinder operation speed automatic switch-over to solve the problem that proposes in the above-mentioned background art.
The utility model provides a following technical scheme:
a device for automatically switching the operation speed of a cylinder comprises the cylinder; further comprising:
the main control valve is provided with an A1 port, a B1 port, an S1 port, an R1 port and a P1 port; the port B1 is connected with the rear cavity of the cylinder through a pipeline, the port A1 is connected with the front cavity of the cylinder through a pipeline, and the port P1 is connected with an air source;
one side of the three-way joint is respectively connected with the S1 port and the R1 port of the main control valve through two pipelines;
the auxiliary control valve is provided with an A2 port, a B2 port, an S2 port, an R2 port and a P2 port; the P2 port is connected with the other side of the three-way joint through a pipeline;
the throttle valve is connected to the port B2 of the auxiliary control valve;
the device comprises a position sensor I and a position sensor II, wherein the position sensor I and the position sensor II are respectively arranged at positions close to a front end cover and a rear end cover of the cylinder.
Preferably, the distance between the position sensor I and the front side end cover of the cylinder is 100mm-180mm, and the distance between the position sensor II and the rear side end cover of the cylinder is 100mm-180mm.
Preferably, the main control valve and the auxiliary control valve are three-position five-way electromagnetic valves respectively.
The embodiment of the utility model provides a pair of device of cylinder operation speed automatic switch has following beneficial effect: the utility model discloses, through increased one on carminative gas circuit and assisted the accuse valve, respectively added a position sensor in the position that the cylinder both sides are close to the cylinder end cover to under the cooperation of choke valve, the cylinder operation in-process carries out the speed reduction operation when being close the terminal point, has slowed down striking and vibration, has realized the cylinder and has operated fast slow-speed automatic switch, has guaranteed the normal operating of the output location and the equipment of cylinder.
Drawings
FIG. 1 is a schematic diagram of a conventional method for connecting a control valve to a cylinder;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic structural view of the connection between the main control valve and the pipeline;
fig. 4 is a schematic structural view of the connection between the auxiliary control valve and the pipeline of the present invention.
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 embodiment in the utility model, under the creative work prerequisite, all other embodiments that the skilled person obtained do not make, all belong to the scope of the utility model protection.
See fig. 1-4.
Problem to above-mentioned background art mentions, the embodiment of the utility model provides a device of cylinder operation speed automatic switch to solve above-mentioned technical problem, its technical scheme as follows:
a device for automatically switching the operation speed of a cylinder comprises a cylinder 100; further comprising:
the main control valve 200 is provided with an A1 port, a B1 port, an S1 port, an R1 port and a P1 port; the port B1 is connected with the cylinder rear cavity 120 through a pipeline 300, the port A1 is connected with the cylinder front cavity 110 through a pipeline 300, and the port P1 is connected with an air source;
one side of the three-way joint 360 is connected with the S1 port and the R1 port of the main control valve 200 through two pipelines 300 respectively;
the auxiliary control valve 400 is provided with an A2 port, a B2 port, an S2 port, an R2 port and a P2 port; the port P2 is connected with the other side of the three-way joint 360 through a pipeline 300;
a throttle valve 500, wherein the throttle valve 500 is connected to the port B2 of the auxiliary control valve 400;
the air cylinder comprises a position sensor I710 and a position sensor II 720, wherein the position sensor I710 and the position sensor II 720 are respectively arranged at positions close to a front side end cover of the air cylinder 100 and a rear side end cover of the air cylinder 100.
In this embodiment, the distance between the position sensor i 710 and the front end cover of the cylinder 100 is 100mm-180mm, and the distance between the position sensor ii 720 and the rear end cover of the cylinder 100 is 100mm-180mm.
In this embodiment, the main control valve 200 and the auxiliary control valve 400 are three-position five-way solenoid valves respectively; specifically, the main control valve 200 is a double-coil three-position five-way electromagnetic valve, and the auxiliary control valve 400 is a single-coil three-position five-way electromagnetic valve.
The utility model discloses well cylinder 100's operation control method is as follows:
1. cylinder 100 piston extension: the coil I210 of the main control valve 200 is electrified, the port B1 is ventilated, the port A1 is ventilated, the exhaust gas of the port R1 is quickly discharged through the port A2 of the auxiliary control valve 400, when the piston of the cylinder 100 is pushed to run and is close to the position sensor I710 of the front end cover of the cylinder 100, the coil of the auxiliary control valve 400 is electrified, the exhaust gas of the auxiliary control valve 400 is switched to be discharged through the port B2, the throttle valve 500 arranged on the port B2 controls the exhaust gas quantity, the running speed of the cylinder is slowed down, the cylinder runs quickly in the whole running process and is decelerated when the cylinder approaches the terminal point, the impact and the vibration are slowed down, and the automatic switching of the running speed of the cylinder is realized;
2. retraction of the cylinder 100 piston: a coil I210 of the main control valve 200 is electrified, an A1 port is ventilated, a B1 port is ventilated, exhaust of an S1 port is discharged quickly through an A2 port of the auxiliary control valve 400, when a piston of the cylinder 100 is pulled to run and is close to a position sensor II 720 of a rear end cover of the cylinder 100, a coil of the auxiliary control valve 400 is electrified, the exhaust of the auxiliary control valve 400 is switched to be discharged through the B2 port, a throttle valve 500 arranged on the B2 port controls the exhaust amount and slows down the running speed of the cylinder, so that the cylinder runs quickly in the whole running process, when the cylinder approaches a terminal point, the deceleration running slows down impact and vibration, and the automatic switching of the running speed of the cylinder is realized.
The embodiment of the utility model provides a pair of device of cylinder operation speed automatic switch has following beneficial effect: the utility model discloses, through increased one on carminative gas circuit and assisted the accuse valve, respectively added a position sensor in the position that the cylinder both sides are close to the cylinder end cover to under the cooperation of choke valve, the cylinder operation in-process carries out the speed reduction operation when being close the terminal point, has slowed down striking and vibration, has realized the cylinder and has operated fast slow-speed automatic switch, has guaranteed the normal operating of the output location and the equipment of cylinder.
The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts shown as units may or may not be physical units, and may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
It should be understood that equivalents and modifications may be made thereto by those of ordinary skill in the art, and all such modifications and alterations are intended to fall within the scope of the appended claims.
Claims (3)
1. A device for automatically switching the operation speed of a cylinder comprises the cylinder; it is characterized by also comprising:
the main control valve is provided with an A1 port, a B1 port, an S1 port, an R1 port and a P1 port; the port B1 is connected with the rear cavity of the cylinder through a pipeline, the port A1 is connected with the front cavity of the cylinder through a pipeline, and the port P1 is connected with an air source;
one side of the three-way joint is respectively connected with the S1 port and the R1 port of the main control valve through two pipelines;
the auxiliary control valve is provided with an A2 port, a B2 port, an S2 port, an R2 port and a P2 port; the P2 port is connected with the other side of the three-way joint through a pipeline;
the throttle valve is connected to the port B2 of the auxiliary control valve;
the device comprises a position sensor I and a position sensor II, wherein the position sensor I and the position sensor II are respectively arranged at positions close to a front end cover and a rear end cover of the cylinder.
2. The device for automatically switching the running speed of the cylinder according to claim 1, wherein the distance between the position sensor I and the front side end cover of the cylinder is 100mm-180mm, and the distance between the position sensor II and the rear side end cover of the cylinder is 100mm-180mm.
3. The device for automatically switching the operation speed of the air cylinder according to claim 1, wherein the main control valve and the auxiliary control valve are three-position five-way solenoid valves respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741113.3U CN218542773U (en) | 2022-07-06 | 2022-07-06 | Device for automatically switching operation speed of air cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221741113.3U CN218542773U (en) | 2022-07-06 | 2022-07-06 | Device for automatically switching operation speed of air cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218542773U true CN218542773U (en) | 2023-02-28 |
Family
ID=85267514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221741113.3U Active CN218542773U (en) | 2022-07-06 | 2022-07-06 | Device for automatically switching operation speed of air cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218542773U (en) |
-
2022
- 2022-07-06 CN CN202221741113.3U patent/CN218542773U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1441171A (en) | Controller for hydraulic operation mechanism and its controlling method | |
| CN202064326U (en) | Synchronous split hydraulic hoist | |
| CN102230484A (en) | Integrated continuous gas-driving hydraulic force booster | |
| CN102518609A (en) | High speed punch hydraulic system | |
| CN110700337A (en) | Excavator movable arm energy-saving control system and control method | |
| CN218542773U (en) | Device for automatically switching operation speed of air cylinder | |
| CN102758421A (en) | Synchronous split-type hydraulic hoist | |
| CN211201529U (en) | Gas circuit control device | |
| CN101698251A (en) | Hydraulic pressure control loop system of cutting-to-length pressure plate cylinder | |
| CN101463843A (en) | Gas-saving type gas supercharger with variable actuating pressure | |
| CN211312642U (en) | Excavator movable arm energy-saving control system | |
| CN115095567A (en) | Hydraulic system for leveling cylinder of face shovel hydraulic excavator and control method | |
| CN212803807U (en) | Process control air pressure system and air pressure driving device | |
| CN212671889U (en) | Marine intelligent integrated low-speed diesel engine electric hydrostatic exhaust valve system | |
| CN212003797U (en) | Pneumatic door control module | |
| CN113833701A (en) | Hydraulic system of rotary machine | |
| CN208719043U (en) | A kind of atmospheric control for weaving loom | |
| CN202360484U (en) | Hydraulic system for high-speed punch press | |
| CN215762600U (en) | Pilot buffer system | |
| CN217177020U (en) | Direct-drive hydraulic switching valve and direct-drive hydraulic switching system | |
| CN220850197U (en) | High-load lifting appliance gas circuit control system | |
| CN2510659Y (en) | Unidirectional center-leakage three-position five-way electromagnetic change valve | |
| CN210068634U (en) | Novel full-hydraulic walking machinery opens step device | |
| CN214163897U (en) | Mode locking differential oil way | |
| CN219994035U (en) | Pneumatic control device suitable for large-scale cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |