CN101428691B - Negative pressure backfill control system for powder granule material - Google Patents
Negative pressure backfill control system for powder granule material Download PDFInfo
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- CN101428691B CN101428691B CN2008102447457A CN200810244745A CN101428691B CN 101428691 B CN101428691 B CN 101428691B CN 2008102447457 A CN2008102447457 A CN 2008102447457A CN 200810244745 A CN200810244745 A CN 200810244745A CN 101428691 B CN101428691 B CN 101428691B
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Abstract
A powdered material negative pressure filling control system comprises a vacuum pump (7), a negative-pressure cupping (4), a pressure gage (3) and a negative-pressure filling head (1); a three-way glove valve (2) is connected between the negative-pressure filling head (1) and the negative-pressure cupping (4), and an external leading electromagnetic valve (6) is connected between the vacuum pump (7) and the negative-pressure cupping (4). The invention is characterized in that one end port of the three-way glove valve (2) is connected with the negative-pressure filling head (1), another end port thereof is connected with the negative-pressure cupping (4), and another end port thereof is connected with air (9), thereby realizing the switch between negative-pressure filling baiting and stopping baiting. The work system of the invention is adopted, so that the structure is simple, the filling speed is high, moreover, the filling material powder is not smashed, and the damage to the filling material is reduced.
Description
Technical field
The present invention relates to the automatic packaging machinery field of food, dairy products, cosmetics of everyday use, especially about the negative pressure backfill control system for powder granule material in the filling of full automaticity granular material, packing are produced.
Background technology
In the filling of full automaticity granular material, package production, adopt screw, measuring cup type, plunger tpe etc. for the filling method of powder class material more, the shortcoming of the powder grain material filling system that these are traditional is: 1, mechanism design is complicated; 2, filling is had relatively high expectations to the density uniformity of material, otherwise the filling precision will be very poor; 3, filling is big to the particle destructive rate of frangibility material, has dust to produce during filling, and the environmental pollution influence is bigger.
Summary of the invention
The mechanism design that exists to above filling method is complicated, to defectives such as the grain breakage rate influence of frangibility material are big; The object of the present invention is to provide a kind of negative pressure backfill control system for powder granule material; It is a utilization difference of pressure principle, through the switch operating of two-position-five-way solenoid valve control tee ball valve, makes the negative pressure backfill head connect negative-pressure cup or ambient atmosphere; Switch the subnormal ambient in the filling head, accomplish negative pressure backfill blanking and the switching that stops blanking.
Technical scheme of the present invention realizes in the following manner: a kind of negative pressure backfill control system for powder granule material; Comprise vacuum pump, negative-pressure cup, compression indicator, negative pressure backfill head; Be connected with tee ball valve between described negative pressure backfill head and the negative-pressure cup, be connected with outer guide electromagnetic valve between vacuum pump and the negative-pressure cup, it is characterized in that: a port of described tee ball valve connects the negative pressure backfill head; One port connects negative-pressure cup; Another port and atmosphere through the switching of two-position-five-way solenoid valve control tee ball valve, make the negative pressure backfill head connect negative-pressure cup or ambient atmosphere; Change the subnormal ambient in the negative pressure backfill head, realize negative pressure backfill blanking and the switching that stops blanking.
Above-mentioned negative-pressure cup is divided into upper and lower two parts, and filter cloth is arranged at top, and filter cloth top bonded assembly is a vacuum pump, and the following bonded assembly of filter cloth is a tee ball valve.
Be provided with compression indicator between above-mentioned tee ball valve and the negative-pressure cup, compression indicator is used for setting range of pressure values in the negative-pressure cup, and shows a jar interior negative pressure value.
The value that above-mentioned compression indicator is set is 35kPa～45kPa.
Adopt work system of the present invention, not only simple in structure, filling velocity is fast; And can not make the attal grain breakage, and reducing destruction to attal, a little that enters into negative-pressure cup flies powder; Filter through the filter cloth in the jar; Make dust can't enter into vacuum pump, play the effect of protection vacuum pump, for the client creates bigger economic benefit.
Below in conjunction with accompanying drawing the present invention is done further detailed description.
Description of drawings
Fig. 1 is a structural representation of the present invention.
The specific embodiment
Know that by Fig. 1 negative pressure backfill control system for powder granule material of the present invention comprises vacuum pump 7, negative-pressure cup 4, compression indicator 3, negative pressure backfill head 1; Be connected with tee ball valve 2 between described negative pressure backfill head 1 and the negative-pressure cup 4; A port that is connected with outer guide electromagnetic valve 6, tee ball valve 2 between vacuum pump 7 and the negative-pressure cup 4 connects negative pressure backfill head 1, one port and connects negative-pressure cup 4, and the another port communicates with atmosphere 9; Control the switching of tee ball valve 2 through two-position-five-way solenoid valve 8; Make negative pressure backfill head 1 connect negative-pressure cup 4 or ambient atmosphere 9, change the subnormal ambient in the negative pressure backfill head 1, realize negative pressure backfill blanking and the switching that stops blanking.
Negative-pressure cup 4 is divided into upper and lower two parts, and top is provided with filter cloth 5, and filter cloth 5 top bonded assemblys are vacuum pumps 7, and filter cloth 5 following bonded assemblys are tee ball valves 2.
Be provided with compression indicator 3 between tee ball valve 2 and the negative-pressure cup 4, compression indicator 3 is used for setting range of pressure values in the negative-pressure cup 4, and shows a jar interior negative pressure value.The value that compression indicator is set is 35kPa～45kPa.
When negative pressure backfill control system for powder granule material of the present invention was worked, by the change action of two-position-five-way solenoid valve control tee ball valve, when connecting negative-pressure cup and filling head, negative pressure backfill head internal work environment was a negative pressure, carries out negative pressure backfill; Tee ball valve switches makes the negative pressure backfill head communicate with ambient atmosphere, and subnormal ambient disappears in the filling head, and negative pressure backfill equipment will stop filling.
In addition, there is a little to fly powder in the negative pressure backfill process and can enters into negative-pressure cup, filter, make dust can't enter into vacuum pump, play the effect of protection vacuum pump through the filter cloth in the jar.
(35kPa～45kPa), compression indicator 3 feeds back signal to the PLC controller, and the PLC controller is given outer guide electromagnetic valve 6 signals when the force value of negative-pressure cup is lower than the value that compression indicator sets; The valve conducting connects vacuum pump 7 and negative-pressure cup 4, so 7 pairs of negative-pressure cups 4 of vacuum pump vacuumize; When negative-pressure cup 4 negative pressure value reach the value of setting, vacuum indicator feeds back signal to the PLC controller, and the PLC controller is given outer guide electromagnetic valve 6 signals; Valve cuts out, and vacuumizing of negative-pressure cup 4 stopped.The switching of two-position-five-way solenoid valve 8 control tee ball valves 2, the initial condition of tee ball valve 2 is that ball valve communicates with negative pressure backfill head 1 interface end with atmosphere 9 interface end.Below negative-pressure cup 4 liftings are pressed on negative pressure backfill head 1, negative-pressure cup 4 inner and negative pressure backfill head 1 formation fully enclosed spaces, the PLC controller is given two-position-five-way solenoid valve 8 signals; Tee ball valve 2 inner pasters rotate under the pressurized air thrust, are communicated with atmosphere 9 by the negative pressure backfill head 1 of initial condition, turn to the state that negative-pressure cup 4 communicates with negative pressure backfill head 1; Negative pressure backfill begins, and is how many setting-up times according to filling weight when arriving the loading time of setting, when the negative pressure backfill value is set in 870g; When loading time is set at 500ms～550ms; The PLC controller is given two-position five-way valve 8 signals, and two-position five-way valve 8 switches to another one and connects, and the effect of pressurized air thrust makes tee ball valve 2 inner paster rotations; Close interface with negative-pressure cup 4; Make negative pressure backfill head 1 and atmosphere, the subnormal ambient in the negative pressure backfill head disappears, and filling stops.
Claims (4)
1. negative pressure backfill control system for powder granule material; Comprise vacuum pump (7), negative-pressure cup (4), compression indicator (3), negative pressure backfill head (1); Be connected with tee ball valve (2) between described negative pressure backfill head (1) and the negative-pressure cup (4), be connected with between vacuum pump (7) and the negative-pressure cup (4) between outer guide electromagnetic valve (6), tee ball valve (2) and the negative-pressure cup (4) and be provided with compression indicator (3), it is characterized in that: a port of described tee ball valve (2) connects negative pressure backfill head (1); One port connects negative-pressure cup (4); The another port communicates with atmosphere (9), through the switching of two-position-five-way solenoid valve (8) control tee ball valve (2), makes negative pressure backfill head (1) connect negative-pressure cup (4) or ambient atmosphere (9); Change the subnormal ambient in the negative pressure backfill head (1), realize negative pressure backfill blanking and the switching that stops blanking.
2. a kind of negative pressure backfill control system for powder granule material according to claim 1; It is characterized in that: described negative-pressure cup (4) is divided into upper and lower two parts; Filter cloth (5) is arranged at top, and filter cloth (5) top bonded assembly is vacuum pump (5), and the following bonded assembly of filter cloth (5) is tee ball valve (2).
3. a kind of negative pressure backfill control system for powder granule material according to claim 1 is characterized in that: the setting value of described compression indicator (3) is 35kPa～45kPa.
4. vacuum pump according to claim 1 (7) is the single pump housing, also can be vacuum system or vacuum generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102447457A CN101428691B (en) | 2008-12-15 | 2008-12-15 | Negative pressure backfill control system for powder granule material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102447457A CN101428691B (en) | 2008-12-15 | 2008-12-15 | Negative pressure backfill control system for powder granule material |
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| Publication Number | Publication Date |
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| CN101428691A CN101428691A (en) | 2009-05-13 |
| CN101428691B true CN101428691B (en) | 2012-05-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102447457A Active CN101428691B (en) | 2008-12-15 | 2008-12-15 | Negative pressure backfill control system for powder granule material |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973412B (en) * | 2010-08-16 | 2011-11-09 | 上海嘉迪机械有限公司 | Electric control system of full-automatic vacuum packaging machine |
| CN103482124A (en) * | 2013-08-29 | 2014-01-01 | 苏州国衡机电有限公司 | Material conveyer |
| CN107288844A (en) * | 2016-03-30 | 2017-10-24 | 广东科达洁能股份有限公司 | A kind of crucible vacuum powder tamping instrument |
| CN106394953A (en) * | 2016-06-24 | 2017-02-15 | 湖南千山制药机械股份有限公司 | Vacuum filling system |
| CN109911261B (en) * | 2019-05-08 | 2019-11-19 | 东阳罗素电子科技有限公司 | A kind of negative pressure suction type granule packaging equipment |
| CN112874826B (en) * | 2021-01-11 | 2023-08-18 | 珠海市维启自动化设备有限公司 | Powder feeding device and powder filling system |
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