CN213271118U - Servo reversing valve structure - Google Patents
Servo reversing valve structure Download PDFInfo
- Publication number
- CN213271118U CN213271118U CN202022336586.2U CN202022336586U CN213271118U CN 213271118 U CN213271118 U CN 213271118U CN 202022336586 U CN202022336586 U CN 202022336586U CN 213271118 U CN213271118 U CN 213271118U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- servo
- air
- separation element
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model discloses a servo reversing valve structure, which comprises a base and a valve body, wherein the valve body is fixedly arranged on the base, the valve body comprises a valve casing and a valve core rotatably arranged in the valve casing, and two sides of the valve body are respectively communicated with an air blower and an air suction box through two air pipe connectors; bearings are arranged at two ends of the valve core, and shaft end glands arranged at two ends of the valve core are fixed in the valve body; one end of the valve body is connected with an output shaft of the servo motor through a plum coupling; the valve core is internally provided with a strip-shaped separation element, the separation element divides the valve body in an air suction state into an upper channel and a lower channel, and the separation element also divides the valve body in a pressure relief state into a left air chamber and a right air chamber. The utility model discloses the effectual problem of large-traffic switching-over valve and base stock induced draft belt life hang down of having solved has improved the life of the belt that induced drafts, has reduced the maintenance fault rate, obviously improves production efficiency.
Description
Technical Field
The utility model relates to a switching-over valve technical field specifically is a servo switching-over valve structure.
Background
At present, the bottom paper of the high-speed paper pasting machine on the market is induced to wind, the on-off state of an air blower and an air suction box is realized by controlling the reversing of a large-flow reversing valve through an electromagnetic valve, and the paper can be smoothly sent out. Because the high-speed paper pasting machine is high in production efficiency and mechanical speed, the service life of the large-flow reversing valve is limited, the requirement on the working environment is determined to be higher due to the internal structure of the large-flow valve, paper scraps are arranged at the position of the base paper conveying mechanism, dust is larger, the service life of a pneumatic part is further shortened, and under the condition, the maintenance rate of equipment is increased, and the cost can be increased in the maintenance period. Meanwhile, the action of the reversing valve is not in place due to the influence of the factors of the air source, so that the air path is disconnected prematurely or is disconnected later, and the service life of the air suction belt is shortened.
Therefore, in view of the above situation, there is a need to develop a servo directional valve structure to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a servo switching-over valve structure to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a servo reversing valve structure comprises a base and a valve body, wherein the valve body is fixedly arranged on the base and comprises a valve shell and a valve core rotatably arranged in the valve shell, and two sides of the valve body are respectively communicated with an air blower and an air suction box through two air pipe connectors; bearings are arranged at two ends of the valve core, and shaft end glands arranged at two ends of the valve core are fixed in the valve body; one end of the valve body is connected with an output shaft of the servo motor through a plum coupling; the valve core is internally provided with a strip-shaped separation element, the separation element divides the valve body in an air suction state into an upper channel and a lower channel, and the separation element also divides the valve body in a pressure relief state into a left air chamber and a right air chamber.
As a further aspect of the present invention: and a valve seat cushion plate is arranged between the base and the valve body.
As a further aspect of the present invention: the connecting mode of the plum coupling is flexible connection.
As a further aspect of the present invention: the servo motor is fixedly installed through the servo motor fixing seat, and the servo motor and the valve body are located at the same height.
As a further aspect of the present invention: the other end of the valve body is provided with a detection sleeve, the detection sleeve is connected with a detection switch, and the detection switch is arranged on the valve body through a switch seat.
As a further aspect of the present invention: two sealed pressure relief openings are formed in the two sides, located on the air pipe connector, of the valve body, and a filter screen silencing device is installed on each sealed pressure relief opening.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the effectual problem of large-traffic switching-over valve and base stock induced draft belt life hang down of having solved has improved the life of the belt that induced drafts, has reduced the maintenance fault rate, obviously improves production efficiency, utilizes servo motor control case more accurate simultaneously, makes product quality obtain guaranteeing.
Drawings
Fig. 1 is a schematic structural diagram of a servo directional valve structure.
FIG. 2 is a front cross-sectional view of the suction state of the servo directional valve configuration.
FIG. 3 is a side cross-sectional view of a suction state in the servo directional valve configuration.
FIG. 4 is a front cross-sectional view of a pressure relief condition in the servo directional valve configuration.
FIG. 5 is a side cross-sectional view of a pressure relief condition in the servo directional valve configuration.
In the figure: the device comprises a base 1, a valve body 2, a valve seat backing plate 3, an air pipe connector 4, a servo motor 5, a servo motor fixing seat 6, a plum blossom coupling 7, a shaft end gland 8, a filter screen silencing device 9, a detection switch 10, a switch seat 11, a valve core 12, a detection sleeve 13 and a sealed pressure relief opening 14.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-5, in an embodiment of the present invention, a servo reversing valve structure includes a base 1 and a valve body 2, the valve body 2 is fixedly installed on the base 1, the valve body 2 includes a valve casing and a valve core 12 rotatably installed inside the valve casing, and two sides of the valve body 2 are respectively communicated with an air blower and an air suction box through two air pipe connectors 4; bearings are arranged at two ends of the valve core 12, and shaft end glands 8 arranged at two ends are fixed in the valve body 2; one end of the valve body 2 is connected with an output shaft of the servo motor 5 through a plum coupling 7, and the servo motor 5 drives the valve core 12 to rotate in the valve body 2 when in work;
a strip-shaped separation element is arranged in the valve core 12, the separation element divides the valve body 2 in an air suction state into an upper channel and a lower channel, and the separation element also divides the valve body 2 in a pressure relief state into a left air chamber and a right air chamber;
specifically, in this embodiment, a seat cushion plate 3 is disposed between the base 1 and the valve body 2;
specifically, in this embodiment, the connection mode of the double ring coupler 7 is soft connection, so that the requirement on the accuracy of coaxiality is reduced;
further, in this embodiment, the servo motor 5 is fixedly installed through the servo motor fixing seat 6, and the servo motor 5 and the valve body 2 are located at the same height to meet the precision requirement;
the other end of the valve body 2 is provided with a detection sleeve 13, the detection sleeve 13 is connected with a detection switch 10, and the detection switch 10 is arranged on the valve body 2 through a switch seat 11;
two sealed pressure relief openings 14 are formed in the two sides, located on the air pipe joint 4, of the valve body 2, and a filter screen silencing device is installed on each sealed pressure relief opening 14, so that noise of a working environment is reduced.
The working principle of the servo reversing valve structure is as follows:
the servo motor 5 rotates to drive the valve core 12 to rotate in the valve shell, under normal conditions, a bottom paper belt is in air suction assembly, namely an air suction box opening is communicated with an air blower opening, at the moment, the valve core 12 divides the valve shell into an upper channel and a lower channel, and the two channels are all communicated; when the servo motor 5 rotates 90 degrees, the valve core 12 divides the cavity in the valve body 2 into two independent air chambers, the two sides of the air chamber in the air suction box direction are sealed and pressure relief ports 14 are communicated with the atmosphere to play a role in relieving the pressure of the air suction box, the two sides of the air chamber in the air blower direction are sealed and pressure relief ports 14 are communicated with the atmosphere, namely, an air suction port of the air blower is communicated with the atmosphere, the servo motor 5 continuously rotates for 90 degrees in a reverse direction, the load of the motor is relatively small, and the frequent forward and reverse rotation of the motor is avoided.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (6)
1. A servo reversing valve structure comprises a base (1) and a valve body (2), wherein the valve body (2) is fixedly arranged on the base (1), and is characterized in that the valve body (2) comprises a valve casing and a valve core (12) rotatably arranged in the valve casing, and two sides of the valve body (2) are respectively communicated with an air blower and an air suction box through two air pipe connectors (4); bearings are mounted at two ends of the valve core (12), and shaft end glands (8) arranged at two ends are fixed inside the valve body (2); one end of the valve body (2) is connected with an output shaft of the servo motor (5) through a plum coupling (7); a strip-shaped separation element is arranged in the valve core (12), the separation element divides the valve body (2) in an air suction state into an upper channel and a lower channel, and the separation element also divides the valve body (2) in a pressure relief state into a left air chamber and a right air chamber.
2. A servo valve arrangement according to claim 1, characterized in that a valve seat plate (3) is provided between the base (1) and the valve body (2).
3. A servo reversing valve structure according to claim 2, characterized in that the coupling of the double ring coupling (7) is a soft coupling.
4. A servo directional valve structure according to claim 3, characterized in that the servo motor (5) is fixedly mounted by a servo motor fixing seat (6), and the servo motor (5) and the valve body (2) are at the same height.
5. A servo reversing valve structure according to any one of claims 1-4, characterized in that the other end of the valve body (2) is provided with a detection sleeve (13), the detection sleeve (13) is connected with a detection switch (10), and the detection switch (10) is arranged on the valve body (2) through a switch seat (11).
6. The servo reversing valve structure according to claim 1, wherein two sealing pressure relief ports (14) are formed in the valve body (2) on two sides of the air pipe joint (4), and a filter screen noise reduction device is mounted on each sealing pressure relief port (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336586.2U CN213271118U (en) | 2020-10-20 | 2020-10-20 | Servo reversing valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022336586.2U CN213271118U (en) | 2020-10-20 | 2020-10-20 | Servo reversing valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213271118U true CN213271118U (en) | 2021-05-25 |
Family
ID=75951560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022336586.2U Expired - Fee Related CN213271118U (en) | 2020-10-20 | 2020-10-20 | Servo reversing valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213271118U (en) |
-
2020
- 2020-10-20 CN CN202022336586.2U patent/CN213271118U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213271118U (en) | Servo reversing valve structure | |
| CN101846054B (en) | Electric air pump | |
| CN214947204U (en) | Rotary sealing movable platform | |
| CN105600466A (en) | Automatic pneumatic dredging valve | |
| CN211218706U (en) | Synchronous cooling type electric spindle | |
| CN201679677U (en) | Electric air pump | |
| CN210566887U (en) | Hydraulic and electric universal connector | |
| CN110429755B (en) | Motor rotary swing mechanism | |
| CN212583911U (en) | Low-pressure semi-oilless air compressor cylinder | |
| CN209179956U (en) | BIB beverage pump | |
| CN203584816U (en) | Automatic feeding simple switch for vacuum pump | |
| CN219761660U (en) | Packaging shell of precision type power amplifier | |
| CN218935270U (en) | Vertical mill roller door with zero clearance sealing | |
| CN218913737U (en) | Dish type dynamic and static ring sealing element | |
| CN217996027U (en) | Suction-resistant relay reversing device for tunnel | |
| CN215765618U (en) | Multi-air-duct positive and negative pressure device and sterilizing machine | |
| CN217632973U (en) | Integrated vertical pump for both inside and outside of groove | |
| CN215486923U (en) | Hydraulic driver | |
| CN215719896U (en) | Motor with control valve | |
| CN220957279U (en) | Magnetic type mud pipeline device capable of being quickly disassembled, assembled and commutated | |
| CN208788578U (en) | A kind of robot arm rotating mechanism | |
| CN217683241U (en) | Shaft end sealing structure and dry-mixed mortar mixer | |
| CN216479041U (en) | Pneumatic ball valve convenient to maintain and used for vacuum system | |
| CN213170169U (en) | Three-way material distributor | |
| KR100332083B1 (en) | air-purifier of centrally dust-collected type for textile mill |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210525 Termination date: 20211020 |