CN2911619Y - The controller of powdered granule shape material Weighing device charging valve - Google Patents
The controller of powdered granule shape material Weighing device charging valve Download PDFInfo
- Publication number
- CN2911619Y CN2911619Y CN 200620047342 CN200620047342U CN2911619Y CN 2911619 Y CN2911619 Y CN 2911619Y CN 200620047342 CN200620047342 CN 200620047342 CN 200620047342 U CN200620047342 U CN 200620047342U CN 2911619 Y CN2911619 Y CN 2911619Y
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- Prior art keywords
- piston
- electromagnetic valve
- valve group
- valve
- weighing device
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Abstract
The utility model discloses the controller of a kind of powdery, particulate material Weighing device charging valve, relates to the Weighing technical field; Be used to solve the technical matters that metering speed is fast, precision is high of Weighing device; The controller of this charging valve comprises: the cylinder of band buffer structure, the valve valve plate that connects piston rod, advance and retreat electromagnetic valve group, the inductive switch that enabling signal takes place, the vibration electromagnetic valve group that is used for the control piston high dither are connected with source of the gas and gas circuit, and the vibration control circuit that is used to control the vibration electromagnetic valve group, it can make the vibration electromagnetic valve group ceaselessly close unlatching, thereby make piston and valve valve plate produce high dither, and then material is carried out fast accurately Weighing; So the utlity model has Weighing speed simple in structure fast (dither flows powder fast), the precision height, weighing precision is adjustable, is convenient to the characteristics of fast assembling-disassembling and cleaning.
Description
Technical field
The utility model relates to the Weighing technology, particularly relates to the precision Control Technology of the charging valve of a kind of powdery, particulate material Weighing device.
Background technology
In the Weighing device of powdered granule shape material, screw rod commonly used and positive displacement Weighing device structure are complicated now, and Weighing speed is slow, and precision is low, and weighing precision is difficult to regulate, and is difficult for fast assembling-disassembling and cleaning.
The utility model content
At the defective that exists in the above-mentioned prior art, technical problem to be solved in the utility model provide a kind of have simple in structure, Weighing speed is fast, precision is high, weighing precision is adjustable, be convenient to the controller of the powdered granule shape material Weighing device charging valve of fast assembling-disassembling and cleaning.
In order to solve the problems of the technologies described above, the controller of a kind of powdery provided by the utility model, particulate material Weighing device charging valve comprises:
The cylinder of one band buffer structure comprises cylinder block, piston, piston rod;
One valve valve plate connects the piston rod outer end, is used to control the charging of Weighing device;
It is characterized in that, also comprise:
One advance and retreat solenoid valve (group), gas circuit connects the air intake opening of rod chamber (ante-chamber) and rodless cavity (back cavity) respectively, is used for the advance and retreat and the shake of control piston, can control the air inlet simultaneously of rod chamber and rodless cavity, makes piston-advance or shake;
One shake enabling signal generating means is used for the desired location that induction piston arrives the cylinder buffering zone, produces the enabling signal of high dither;
One vibration electromagnetic valve group is used for the high dither of control piston;
One vibration control circuit is electrically connected inductive switch, vibration electromagnetic valve group respectively, is used for control vibration electromagnetic valve group; After the enabling signal of receiving shake enabling signal generating means, can control the vibration electromagnetic valve group and ceaselessly close unlatching, make piston produce high dither; After receiving the shutdown signal of electronic load cell, make the vibration electromagnetic valve group recover often to open, the high dither of piston is stopped, continuing to promote piston forward, valve is closed fully;
One source of the gas through the air intake opening of vibration electromagnetic valve group gas circuit connection rod chamber (ante-chamber), connects the air intake opening of rodless cavities (back cavity) again through advance and retreat solenoid valve (group) gas circuit, be used to make piston advance and retreat and shake.
Further, described shake enabling signal generating means is an inductive switch, is located at the cylinder body outside in cylinder block rod chamber (ante-chamber) buffer area, and adjustable positions is whole, and described piston is embedded with magnetic rings.
Further, described vibration electromagnetic valve group is made up of at least one solenoid valve.
Utilize the controller of the powdered granule shape material Weighing device charging valve that the utility model provides, owing to can make cylinder piston produce dither and then make the valve valve plate produce dither, so can carry out fast accurately Weighing to material; Owing to can pass through the initial position of regulating piston or valve plate, or change the cylinder buffering stroke, so the openings of sizes during with the high dither of realization control valve is the precision of scalable Weighing.Compare with screw rod and positive displacement Weighing mode now commonly used, it is fast to the utlity model has Weighing speed simple in structure, the precision height, and weighing precision is adjustable, is convenient to the characteristics of fast assembling-disassembling and cleaning.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment Weighing device inlet valve door controller.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model is described in further detail, but present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar variation thereof all should be listed protection domain of the present utility model in.
Referring to shown in Figure 1, the controller of a kind of powdered granule shape material Weighing device charging valve that the utility model embodiment is provided comprises
The cylinder 1 of one band buffer structure comprises cylinder block, is embedded with piston 12, the piston rod 13 of magnetic rings 11;
One valve valve plate (not shown) connects piston rod outer end 131, is used to control the charging of Weighing device;
One advance and retreat solenoid valves (group) 2, gas circuit connects rod chamber (ante-chamber) air intake opening 14 and rodless cavity (back cavity) air intake opening 15 respectively, is used for the advance and retreat of control piston, can control the air inlet simultaneously of rod chamber and rodless cavity, makes piston-advance or shake;
One inductive switch 3 is located at the cylinder body outside in cylinder block rod chamber (ante-chamber) buffer area, and adjustable positions is whole, is used for the position that induction piston 12 arrives the cylinder buffering zone, produces the enabling signal of high dither;
One vibration electromagnetic valve group 4 is often opened at ordinary times, is used for the high dither of control piston;
One vibration control circuit (not shown) is electrically connected inductive switch 3, vibration electromagnetic valve group 4 respectively, is used for control vibration electromagnetic valve group 4; After the enabling signal of receiving inductive switch 3, ceaselessly close each solenoid valve of opening in the vibration electromagnetic valve group 4 in turn, make piston produce high dither; After receiving the shutdown signal of electronic load cell, make the vibration electromagnetic valve group recover often to open, the high dither of piston 12 is stopped, continuing to promote piston 12 forward, valve is closed fully;
One source of the gas 5 through the air intake opening 14 of vibration electromagnetic valve group 4 connection rod chambers (ante-chamber), connects the air intake opening 15 of rodless cavities (back cavity) again through advance and retreat solenoid valve (group) 2 gas circuits, be used to promote the advance and retreat of piston 12.
The control principle of the controller of a kind of powdered granule shape material Weighing device charging valve that the utility model embodiment is provided: the air cylinder driven valve valve plate with the band buffer structure is made straight line or the plane rotatablely moves, during thick the metering, advance and retreat solenoid valves (group) 2 cut out, piston 12 in the cylinder retreats valve is opened fully, the big flow of object of being weighed enters gravimetric tank, when accurate measurement begins, vibration electromagnetic valve group 4 is often opened, advance and retreat solenoid valve (group) 2 is open-minded, chamber, cylinder 1 front and back has pressure air to enter simultaneously, utilize the pressure differential between rod chamber (ante-chamber) and the rodless cavity (back cavity), make piston 12 (left side of Fig. 1) driving forward, the valve valve plate is moved to closing direction, before valve will soon be closed fully, be that piston 12 enters cylinder buffering zone (chamber) 16 o'clock, at this moment the magnetic rings 11 of piston 12 makes inductive switch 3 produce enabling signal, drive vibration control circuit, vibration electromagnetic valve group 4 is ceaselessly closed again opens, the solenoid valve that promptly vibrates in the electromagnetic valve group 4 cuts out unlatching more respectively in turn, make between pressure gas source 5 and the cylinder and ceaselessly connect and close (solenoid valve 2 of at this moment advancing and retreat is still opened), and cylinder buffering chamber 16 regional gas bounce-backs (apart from about 1-10mm), make piston 12 do the front and back high dither, and then make valve under the very little situation of opening, the valve plate that connects piston rod 13 is done high dither, the material trace is flowed fast, reach the weighing of setting up to the material that flows into gravimetric tank, after electronic load cell sends shutdown signal, close vibration control circuit, make vibration electromagnetic valve group 4 recover often to open, continue to promote forward piston 12, valve is closed fully, to realize accurately Weighing fast.S is a buffer distance among Fig. 1.
In embodiment of the present utility model, the vibration electromagnetic valve group can be a solenoid valve, also can be one group of solenoid valve of (three to five) more than, so not only can improve vibration frequency but also can prolong serviceable life of solenoid valve; Pass through the initial position of regulating piston or valve plate in addition, or change the cylinder buffering stroke, the openings of sizes in the time of can realizing the control valve high dither can the accommodometer accuracy of measurement.
In embodiment of the present utility model, can make the enabling signal of induction switch producing high dither with the magnetic rings on the piston, also can produce the enabling signal of high dither with the stop means shake-up limit switch of connection piston rod (outer end), little mode of touching switch.
Claims (3)
1, the controller of a kind of powdery, particulate material Weighing device charging valve comprises:
The cylinder of one band buffer structure comprises cylinder block, piston, piston rod;
One valve valve plate connects the piston rod outer end, is used to control the charging of Weighing device;
It is characterized in that, also comprise:
One advance and retreat electromagnetic valve group, gas circuit connects the air intake opening of rod chamber and rodless cavity respectively, is used for the advance and retreat and the shake of control piston, can control the air inlet simultaneously of rod chamber and rodless cavity, makes piston-advance or shake;
One shake enabling signal generating means is used for the desired location that induction piston arrives the cylinder buffering zone, produces the enabling signal of high dither;
One vibration electromagnetic valve group is used for the high dither of control piston;
One vibration control circuit is electrically connected inductive switch, vibration electromagnetic valve group respectively, can control the vibration electromagnetic valve group and ceaselessly close unlatching, makes piston produce high dither;
One source of the gas through the air intake opening of vibration electromagnetic valve group gas circuit connection rod chamber, connects the air intake opening of rodless cavity again through advance and retreat solenoid valve gas circuit, be used to make piston advance and retreat and shake.
2, the controller of Weighing device charging valve according to claim 1 is characterized in that, described shake enabling signal generating means is an inductive switch, is located at the cylinder body outside in the cylinder buffering zone, and adjustable positions is whole, and described piston is embedded with magnetic rings.
3, the controller of Weighing device charging valve according to claim 1 is characterized in that, described vibration electromagnetic valve group is made up of at least one solenoid valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047342 CN2911619Y (en) | 2006-10-31 | 2006-10-31 | The controller of powdered granule shape material Weighing device charging valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620047342 CN2911619Y (en) | 2006-10-31 | 2006-10-31 | The controller of powdered granule shape material Weighing device charging valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2911619Y true CN2911619Y (en) | 2007-06-13 |
Family
ID=38133486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620047342 Expired - Fee Related CN2911619Y (en) | 2006-10-31 | 2006-10-31 | The controller of powdered granule shape material Weighing device charging valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2911619Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625252B (en) * | 2008-05-22 | 2014-01-01 | 梅特勒-托利多公开股份有限公司 | Method and device for filling target containers |
-
2006
- 2006-10-31 CN CN 200620047342 patent/CN2911619Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101625252B (en) * | 2008-05-22 | 2014-01-01 | 梅特勒-托利多公开股份有限公司 | Method and device for filling target containers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070613 Termination date: 20121031 |