CN208203560U - A kind of Miniature precision screw rod metering valve quantitative using special cavity volume - Google Patents
A kind of Miniature precision screw rod metering valve quantitative using special cavity volume Download PDFInfo
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- CN208203560U CN208203560U CN201820563650.0U CN201820563650U CN208203560U CN 208203560 U CN208203560 U CN 208203560U CN 201820563650 U CN201820563650 U CN 201820563650U CN 208203560 U CN208203560 U CN 208203560U
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- feed inlet
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- shaft coupling
- servo motor
- motor
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Abstract
The utility model discloses a kind of Miniature precision screw rod metering valve quantitative using special cavity volume, it is related to a kind of metering valve.The motor shaft of servo motor crosses shaft coupling and one end of flexible axle connects, the other end of flexible axle is connect with rotor, servo motor is fixed on motor mount, the motor shaft of servo motor and the junction of shaft coupling are equipped with locating snap ring, the junction of shaft coupling and flexible axle is equipped with sealing element, shaft coupling periphery is equipped with bearing, rotor outer sheath is equipped with stator, rotor front end is provided with discharge port, stator is fixed on stator seat, stator seat is threadedly coupled with charging seat by locking nut, the charging seat side is connected with rotatable feed inlet, feed inlet is mounted in feed inlet mounting base, the junction of feed inlet mounting base and charging seat is provided with O-ring, exhaust nut is additionally provided on charging seat.The charging of the utility model poppet allows pressure, can accurately control gel quantity, practical, use easy to spread.
Description
Technical field
The utility model relates to a kind of metering valves, and in particular to a kind of miniature essence quantitative using special cavity volume
Close screw rod metering valve.
Background technique
Currently, on the market applied to industrial circle fluid quantitative output device it is many kinds of, but it is generally existing can not essence
The really deficiency of control gel quantity, further, since feed pressure easily causes greatly very much valve discharge port water clock.To solve the above-mentioned problems,
It is particularly necessary to design a kind of Miniature precision screw rod metering valve quantitative using special cavity volume.
Summary of the invention
In view of the shortcomings of the prior art, using special cavity volume the utility model aims to provide a kind of
Quantitative Miniature precision screw rod metering valve, structure is simple, and rationally, the charging of poppet allows pressure for design, can accurately control out
Glue amount, practical, use easy to spread.
To achieve the goals above, the utility model is achieved through the following technical solutions: a kind of use special chamber
The Miniature precision screw rod metering valve of body volume quantitative, including servo motor, shaft coupling, flexible axle, rotor, stator, feed inlet and go out
Material mouth, the motor shaft of servo motor crosses shaft coupling and one end of flexible axle connects, and the other end of flexible axle is connect with rotor, servo motor
It is fixed on motor mount, motor cover, the motor shaft of servo motor and the junction of shaft coupling is installed on the outside of servo motor
Locating snap ring is installed, the junction of shaft coupling and flexible axle is equipped with sealing element, and shaft coupling periphery is equipped with bearing, rotor outer sheath
Equipped with stator, rotor front end is provided with discharge port, and the stator is fixed on stator seat, and stator seat and charging seat pass through locking screw
Box thread connection, the charging seat side are connected with rotatable feed inlet, and feed inlet is mounted in feed inlet mounting base,
The junction of feed inlet mounting base and charging seat is provided with O-ring, and exhaust nut is additionally provided on charging seat.
Preferably, the rotation angle of the feed inlet is 0-360 °, the feed inlet design structure of rotary type, so that
The exhaust work that material enters valve body is more convenient.
Preferably, the screw pitch between the rotor and stator is adjustable, by changing the screw pitch of stator and rotor, promoted
The charging of valve allows pressure.
The utility model has the beneficial effects that the charging of poppet allows pressure, caused by effectivelying prevent feed pressure too big
Valve discharge port dripping problems, and gel quantity can be accurately controlled, it is applicable to the fields such as precise glue dispensing, the encapsulating of strict control glue amount
It closes.
Detailed description of the invention
It is described in detail the utility model with reference to the accompanying drawings and detailed description；
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the face the A-A cross-sectional view in Fig. 2；
Fig. 4 is the top view of Fig. 1.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below
In conjunction with specific embodiment, the utility model is further described.
Referring to Fig.1-4, present embodiment uses following technical scheme: a kind of using quantitative micro- of special cavity volume
Type precision screw rod metering valve, including servo motor 1, shaft coupling 2, flexible axle 3, rotor 4, stator 5, feed inlet 6 and discharge port 7, are watched
The motor shaft for taking motor 1 is crossed shaft coupling 2 and is connect with one end of flexible axle 3, and the other end of flexible axle 3 is connect with rotor 4, servo motor 1
It is fixed on motor mount 8, motor cover 9, the motor shaft of servo motor 1 and the company of shaft coupling 2 is installed on the outside of servo motor 1
The place of connecing is equipped with locating snap ring 10, and shaft coupling 2 and the junction of flexible axle 3 are equipped with sealing element 17, and 2 periphery of shaft coupling is equipped with bearing
11,4 outer sheath of rotor is equipped with stator 5, and 4 front end of rotor is provided with discharge port 7, and the stator 5 is fixed on stator seat 12, stator
Seat 12 is threadedly coupled with charging seat 13 by locking nut 14, and 13 side of charging seat is connected with rotatable feed inlet
6, feed inlet 6 is mounted in feed inlet mounting base 15, and the junction of feed inlet mounting base 15 and charging seat 13 is provided with O-ring
18, exhaust nut 16 is additionally provided on charging seat 13.
It is worth noting that, the rotation angle of the feed inlet 6 is 0-360 °, designed using the feed inlet of rotary type
Structure, so that the exhaust work that material enters valve body is more convenient.
In addition, the screw pitch between the rotor 4 and stator 5 is adjustable, by changing the screw pitch of stator and rotor, mention significantly
The charging of lift valve allows pressure, it is therefore prevented that because of valve discharge port dripping problems caused by feed pressure is too big.
Present embodiment is used as power output source using servo motor 1, is connected by shaft coupling 2, flexible axle 3 and rotor 4
It connects, rotor 4 only makes rotating motion during the work time, cannot generate axial float, and stator 5 is mounted in valve chest, can limit
Its any freedom degree；The sealing of machine assembly rear valve body, the pump housing can bear the pressure of 0-0.6MPa without revealing, and in man-machine interface
Plastic emitting parameter is set, by controlling revolving speed and the position of servo motor to control rubber quality and plastic emitting speed.
Present embodiment can be used alone single branch screw-down valve, can precisely convey various single component fluids, minimum output
Amount is 0.0002ml；Two screw-down valves can also be installed together use by the present apparatus, for conveying various bi-component streams, be passed through
The parameter of control system is changed, i.e., the ratio (1:1~10:1) of two kinds of fluids of changeable output, proportional error can be controlled in 2%
Within, it can be widely used in the bonding agent field of bi-component.
Present embodiment is a kind of metering pump quantitative using special cavity volume, using elaborate servo decelerating motor
Control, using the round servo motor of customization, compared to the more compact exquisiteness of traditional servo motor, after installation, a whole set of valve body is more
It is light and handy beautiful；Valve body is quantitative using special cavity volume, is not influenced by glue viscosity, accurately controls required glue amount,
It can be used for having more fillers, particulate matter glue, be applicable to the occasions such as the precise glue dispensing, encapsulating, oiling of strict control glue amount, have
There is wide market application prospect.
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (4)
1. a kind of Miniature precision screw rod metering valve quantitative using special cavity volume, which is characterized in that including servo motor
(1), shaft coupling (2), flexible axle (3), rotor (4), stator (5), feed inlet (6) and discharge port (7), the motor of servo motor (1)
Axis is crossed shaft coupling (2) and is connect with one end of flexible axle (3), and the other end of flexible axle (3) is connect with rotor (4), and servo motor (1) is fixed
On motor mount (8), it is equipped with motor cover (9) on the outside of servo motor (1), the motor shaft and shaft coupling of servo motor (1)
(2) junction is equipped with locating snap ring (10), and shaft coupling (2) periphery is equipped with bearing (11), and rotor (4) outer sheath is equipped with stator
(5), rotor (4) front end is provided with discharge port (7), and the stator (5) is fixed on stator seat (12), stator seat (12) and charging
Seat (13) is threadedly coupled by locking nut (14), and charging seat (13) side is connected with rotatable feed inlet (6),
Feed inlet (6) is mounted on feed inlet mounting base (15), and exhaust nut (16) is additionally provided on charging seat (13).
2. a kind of Miniature precision screw rod metering valve quantitative using special cavity volume according to claim 1, feature
It is, the junction of the shaft coupling (2) and flexible axle (3) is equipped with sealing element (17).
3. a kind of Miniature precision screw rod metering valve quantitative using special cavity volume according to claim 1, feature
It is, the junction of the feed inlet mounting base (15) and charging seat (13) is provided with O-ring (18).
4. a kind of Miniature precision screw rod metering valve quantitative using special cavity volume according to claim 1, feature
It is, the rotation angle of the feed inlet (6) is 0-360 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563650.0U CN208203560U (en) | 2018-04-19 | 2018-04-19 | A kind of Miniature precision screw rod metering valve quantitative using special cavity volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820563650.0U CN208203560U (en) | 2018-04-19 | 2018-04-19 | A kind of Miniature precision screw rod metering valve quantitative using special cavity volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203560U true CN208203560U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820563650.0U Active CN208203560U (en) | 2018-04-19 | 2018-04-19 | A kind of Miniature precision screw rod metering valve quantitative using special cavity volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203560U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037354A (en) * | 2019-05-20 | 2019-07-23 | 上海大花自动化科技股份有限公司 | A kind of precise quantitative oiling machine |
-
2018
- 2018-04-19 CN CN201820563650.0U patent/CN208203560U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110037354A (en) * | 2019-05-20 | 2019-07-23 | 上海大花自动化科技股份有限公司 | A kind of precise quantitative oiling machine |
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