CN102275740A - Material suction machine and working method thereof - Google Patents
Material suction machine and working method thereof Download PDFInfo
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- CN102275740A CN102275740A CN2011101292889A CN201110129288A CN102275740A CN 102275740 A CN102275740 A CN 102275740A CN 2011101292889 A CN2011101292889 A CN 2011101292889A CN 201110129288 A CN201110129288 A CN 201110129288A CN 102275740 A CN102275740 A CN 102275740A
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Abstract
The invention discloses a material suction machine and a working method thereof. The material suction machine comprises a closed first material container, an air suction pipe, a feed pipe, a second material container and a dust collector, wherein one end of the air suction pipe is connected with the dust collector, and the other end of the air suction pipe is communicated with the inner cavity of the first material container; one end of the feed pipe is communicated with the inner cavity of the first material container, and the other end of the feed pipe is communicated with the inner cavity of the second material container; the lower end of the first material container is a conical funnel with a larger top and a smaller bottom; the bottom end of the conical funnel is provided with a discharge port; a valve closing the first material container is arranged on the discharge port; the discharge port is communicated with the feed port of the host, and located above the feed port of the host; and the material suction machine is also provided with a filter screen which separates the air suction pipe from the inner cavity of the feed pipe and separates the air suction pipe from the material in the first material container, wherein the aperture of the filter screen is less than the diameter of material. The material suction machine disclosed by the invention can be used for completely removing dust and impurity particles smaller than the material in the granular material and realizing continuous conveying of material and ensures long service life of a negative voltage source.
Description
Technical field
The present invention relates to a kind of Material sucking machine and method of work of transporting material, particularly relate to a kind of Material sucking machine and method of work of transporting granular material for main frame such as injection machine, comminutor, hulling machine, wrapping machine etc.
Background technology
Material sucking machine, the principle of utilization bar pressure difference is by the running of negative pressure sources such as blowing engine, vacuum pump, with the air extraction in the leakproof tank, produce negative pressure in the fully enclosed container, the material sucking mouth that connects this leakproof tank one side is drawn into material in the leakproof tank under atmospheric effect.Existing Material sucking machine, because granular material such as injection molding plastic pellet, the cereal that needs shelling or packing or wheat etc., the rice that need pulverize, sesame etc. contain small impurities such as dust, when negative pressure source is worked, the part dust can enter into negative pressure source on the one hand, influence the normal operation of negative pressure source, shorten the life-span of negative pressure source, and stick to the cleaning difficulties such as dust on the negative pressure source; Dust in the material can fly upward everywhere on the other hand, influences working environment; Because existing negative pressure source not have the effect of collecting to small impurities, also has the major part small impurities can stay in the material, influence the operation that also need increase the removal small impurities in the quality of the processed back of material finished product or the subsequent handling, the increase productive costs.
Application number is in 200820136113.4 the utility model patent, a kind of pneumatic suction machine is disclosed, comprise suction tube, control interface and feeding port, suction tube is the hollow cylindrical siphunculus, suction tube top is enclosed with the back up ring, the suction tube top is a feeding port, and the back up ring sidewall is provided with control interface; Control interface links to each other with controller or hand valve; Feeding port is connected with flexible pipe, and flexible pipe leads in the drying hopper.This existing pneumatic suction machine owing to there is not filtering installation, is not removed function to the impurity such as dust in the plastic pellet.On the other hand, the dust in the material can fly upward everywhere, and poor working environment also has the part dust can enter into negative pressure source, influences the normal operation of negative pressure source, shortens the life-span of negative pressure source, and sticks to the cleaning difficulties such as dust on the negative pressure source.
Application number is in 01203175.5 the utility model patent, a kind of Material sucking machine is disclosed, one cavity is arranged, and its underpart is a up big and down small penetrating hopper, and a valve base continues in the bottom of hopper, and cavity has export and import, outlet is communicated with negative pressure source, and the upper limb cover of hopper is with a upper outlet body, and the top of upper outlet body is a gas vent, gas vent extends into a hollow tube in cavity, the hollow tube below is connected with filter; Above filter, the healthy tendency potential source that hollow tube is communicated with by valve again; The import of gas and material is below filter.The gas (normally air) that has powder raw material enters Material sucking machine from import, material is to falling into hopper, export from outlet through clean air behind the filter, powder raw material is filtered device and holds back (and attached on filter), again under the effect of the positive pressure source of pulsing, powder raw material breaks away from filter, falls into the below hopper.This Material sucking machine is mainly used in to the injection machine feeding.Though in the feeding process, part powder raw material that has in the plastic material such as dust etc., understanding some can be adsorbed onto on the filter, but when increasing gradually along with the powder raw material that adsorbs on the filter, on the one hand because stopping of powder raw material can reduce feeding efficient, on the other hand since absorption powder raw material and material all in the same inner chamber of hopper, therefore filter is poor to the adsorption effect of granular material, in the process of transferring raw material, having bigger a part of powder raw material drops during being mixed into raw material from filter, influence the quality of raw material, increase along with the powder raw material that adsorbs on the filter, need stop convey materials and clean the powder raw material that is adsorbed on the filter, therefore can't work for a long time; Also have, when cleaning the powder raw material that is adsorbed on the filter, powder raw material can drop in the hopper, also need clean funnel simultaneously, the cleaning difficulty, and work capacity is big.
Summary of the invention
First technical matters that the present invention will solve is, provides a kind of and can remove totally that the dust in the granular material, the granule foreign littler than material particular diameter etc., material can be carried continuously, the long Material sucking machine of life-span of negative pressure source.
Second technical matters that the present invention will solve be, a kind of method of work that can totally remove the Material sucking machine that the dust in the granular material, the granule foreign littler than material particular diameter etc., material can carry continuously is provided.
A kind of Material sucking machine comprises fully enclosed first container, aspiration channel, the feed pipe that is used for receiving granular material, second container, the aspirator that holds granular material; One end of aspiration channel is connected with aspirator, and the other end is communicated with the inner chamber of first container; One end of feed pipe is communicated with the inner chamber of first container, and the other end is communicated with the inner chamber of second container; The lower end of first container is up big and down small conical hopper, and the bottom of conical hopper is a discharging opening, is provided with on discharging opening the first container fully enclosed valve, and discharging opening is communicated with the inlet point of main frame, and places the top of the inlet point of main frame; Also be provided with aspiration channel and feed pipe inner chamber separate, with the filtering net that the material in the aspiration channel and first container separates, the aperture of filtering net is less than the diameter of material.
First kind of improvement as scheme one, aspiration channel is connected the top of first container, feed pipe is connected on the sidewall of first container, and the top of close first container, filtering net is separated into two spaces up and down fully with first container, the aspiration channel and the first container bonded assembly position are positioned at the top of filtering net, and the feed pipe and the first container bonded assembly position are positioned at the below of filtering net.
As second kind of improvement of scheme one, aspiration channel is connected the top of first container, and feed pipe is connected on the sidewall of first container, and the top of close first container; End at aspiration channel and the first container bonded assembly, one end is provided with filtering net.
First kind of common improvement as scheme one to three also is provided with microcontroller on aspirator, microcontroller comprises the time-controlling arrangement of automatic guidance aspirator circulation energising and outage.
As first kind of improvement of scheme four, microcontroller does not also comprise when having material in second container can send the warning device of warning.
As second kind of improvement of scheme four, also comprise by microprocessor control valve opening and closed valve opening closing device.
As second kind of common improvement of scheme one to three, valve articulates with the bottom of first container is movable by axle, and the free end of valve is towards the bottom of first container.
As the third common improvement of scheme one to three, main frame is injection machine or hulling machine or comminutor or wrapping machine, and the discharging opening of first container is communicated with the inlet point of injection machine or hulling machine or comminutor or wrapping machine, and places the top of inlet point.
A kind of method of work of Material sucking machine, Material sucking machine comprise fully enclosed first container, aspiration channel, the feed pipe that is used for receiving material, second container, the aspirator that holds material; One end of aspiration channel is connected with aspirator, and the other end is communicated with the inner chamber of first container; One end of feed pipe is communicated with the inner chamber of first container, and the other end is communicated with the inner chamber of second container; Bottom at first container is provided with discharging opening, is provided with on discharging opening the first container fully enclosed valve, and discharging opening is communicated with the inlet point of main frame, and places the top of the inlet point of main frame; Also be provided with the filtering net that aspiration channel and feed pipe inner chamber are separated, the material in the aspiration channel and first container is separated; Method of work comprises: feed pipe inserts in the material of second container; When aspirator energising work, pass through aspiration channel, air in first container is discharged rapidly, the while valve closing, produce negative pressure in first container, material under the atmospheric effect in feed pipe enters into first container and be filtered net and be blocked in first container, finish material sent in first container, the impurity in the material passes filtering net and is drawn in the aspirator simultaneously; After the aspirator outage, aspirator stops air draft, and extraneous air enters in first container by feed pipe, and making the inside and outside draught head of first container is zero, stops material being sent in first container; Valve open, material enter into further processing in the main frame under the effect of own wt; So circulation.
As improvement, on aspirator, also be provided with microcontroller, microcontroller comprises the time-controlling arrangement of automatic guidance aspirator circulation energising and outage; Method of work comprises: the demand in the unit time of material is set the circulation energising of time-controlling arrangement of microcontroller and the time gap of outage according to main frame; Aspirator energising, outage periodical duty are by the time-controlling arrangement automatic guidance.
As further improvement, valve articulates with the bottom of first container is movable by axle, and the free end of valve is towards the bottom of first container; Method of work also comprises:
When aspirator energising work because the air in first container is discharged rapidly and the free end of valve towards the bottom of first container, under atmospheric effect, valve rotates valve-off around axially going up; When aspirator outage quit work, aspirator stopped air draft, and extraneous air enters in first container by feed pipe, and making the inside and outside draught head of first container is zero, valve under weight of material and the weight effect of self, valve open.
The invention has the beneficial effects as follows:
First owing to adopt aspirator to come convey materials as negative pressure source, because the intrinsic advantage of aspirator itself, dust in the material can not fly upward everywhere, good work environment, dust can not enter into the normal operation that negative pressure source influences negative pressure source yet, the life-span of negative pressure source is long, and the dust cleaning that is drawn in the aspirator is convenient.Owing to be provided with the filtering net that aspiration channel and feed pipe inner chamber are separated, the material in the aspiration channel and first container is separated, the aperture of filtering net is less than the diameter of material, and employing aspirator, so the dust in the material, the granule foreign littler etc. than material particular diameter, can be drawn in the aspirator by filtering net, because impurity such as dust do not rely on filtering net to adsorb, the air permeability of filtering net is difficult for being stopped by dust, on the one hand simultaneously because the aspirator its specific structure can not reduce feeding efficient because of stopping of dust; On the other hand because the impurity overwhelming majority such as dust adsorbed enter into aspirator, do not place the inner chamber of first container together with material, therefore in the process of convey materials, aspirator can be to the Impurity removals such as dust in the material very clean, and the convey materials long period just need remove the dust in the aspirator etc., during dusting etc., only need the dust in the cleaning aspirator, therefore cleaning is easy, and work capacity is little; Because between inlet scoop and the inlet point filtering net is housed, material can not enter in the aspirator.The lower end of first container is up big and down small conical hopper, and discharging opening is communicated with the inlet point of main frame, and places the top of the inlet point of main frame, and material enters into main frame by gravity, only needs aspirator work just can finish the conveying of material, and is simple in structure.
The secondth, filtering net is installed in the inboard of first container, the area of filtering net is big, impurity such as the dust in the cleaning material effective.
The 3rd is the end that filtering net is installed in aspiration channel and the first container bonded assembly, one end, and filtering net is easy for installation, saves filtering net, cost-cutting.
The 4th is that valve passes through axle and the movable pivot joint in the bottom of first container, and the free end of valve is towards the bottom of first container, and the control of the unlatching closure of valve is controlled by the unlatching energising and the outage of aspirator, and is simple in structure.Maximum angle during valve open generally is not more than 60 °.
The 5th is when aspirator energising work feeding, the valve of first container must be closed just can produce negative pressure in first container, when the aspirator outage stops feeding, the valve of first container must be opened just and the gravity transfer of the material in first container by material self can be arrived in main frame such as injection machine or hulling machine or comminutor or the wrapping machine etc., when the long-time continual work of main frame, need a large amount of materials, time-controlling arrangement by microcontroller, the energising and the outage duration that are interrupted of automatic guidance aspirator circulation as required, automatic feeding to the main frame interruption, in the time of can satisfying the main frame long time continuous working so on the one hand to the demand of material, the container and first container of main frame storage material do not need greatly on the other hand, reduce equipment cost.To what different demands of material, adjust the microcontroller automatic circulation energising of aspirator and the time gap of outage and get final product during for host work.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1.
Fig. 2 is the circuit diagram of the microcontroller of the embodiment of the invention 1.
Fig. 3 is the block diagram of the microcontroller of the embodiment of the invention 1.
Fig. 4 is the structural representation of the embodiment of the invention 2.
The specific embodiment
The present invention is further described below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, a kind of Material sucking machine comprises fully enclosed first container 6, aspiration channel 3, the feed pipe 4 that is used for receiving granular material, second container 9 that holds granular material, aspirator 1, also is provided with microcontroller 2 on aspirator 1.Microcontroller 1 comprises the time-controlling arrangement (not shown) of 1 circulation energising of automatic guidance aspirator and outage, can not send the warning device (not shown) of warning when having material in second container 9.One end of aspiration channel 3 is connected with aspirator 1, and the other end is communicated with the inner chamber of first container 6; One end of feed pipe 4 is communicated with the inner chamber of first container 6, and the other end is communicated with the inner chamber of second container 9 and inserts in the material of second container 9; The lower end of first container 6 is up big and down small conical hopper, the bottom of conical hopper is a discharging opening, be provided with on discharging opening first container, 6 fully enclosed valves 7, valve 7 articulates by the bottom of axle 11 and first container 6 is movable, and the free end of valve 7 is towards the bottom of first container 6.Discharging opening is communicated with the inlet point of main frame 8, and places the top of the inlet point of main frame 8.
Aspiration channel 3 is connected the top of first container 6, feed pipe is connected on the sidewall of first container 6, and the top of close first container 6, also be provided with first container 6 is separated into the filtering net 5 in two spaces up and down fully, aspiration channel 3 and first container, 6 bonded assembly positions are positioned at the top of filtering net 5, and feed pipe 4 and first container, 6 bonded assembly positions are positioned at the below of filtering net 5.The aperture of filtering net 5 is less than the diameter of material.Can control the energising and the outage of aspirator 1 automatic circulation after microcontroller 2 energisings.
As shown in Figure 2, be electrically connected with the master cock of buzzer phone, LED light and the time-controlling arrangement of power supply, power switch button, warning device on microcontroller, microcontroller shows by charactron, and is electrically connected with dust sucting motor by relay.
As Fig. 1, Fig. 2, shown in Figure 3, method of work comprises:
Feed pipe 4 inserts in the material 10 of second container 9; Set the circulation energising of time-controlling arrangement of microcontroller 2 and the time gap of outage according to the demand in the unit time of 8 pairs of materials of main frame; When aspirator 1 energising, by aspiration channel 3 air in first container 6 is discharged rapidly, negative pressure appears in moment in first container 6, and valve 7 rotates up around axle 11 under atmospheric effect, thereby first container 6 is closed.Air in first container 6 behind the valve-off further reduces, the container 6 inside and outside draught heads of winning are increased, feed pipe 4 injects in the material 10, under atmospheric effect, material 10 is in feed pipe 4 enters into first container 6 and be filtered net 5 and be blocked in first container 6, finish a material 10 and send in first container 6, the impurity in the while material passes filtering net 5 and is drawn in the aspirator 1.After aspirator 1 outage, aspirator 1 stops air draft, and extraneous air enters in first container 6 by feed pipe 4, and making first container, 6 inside and outside draught heads is zero, stops material being sent in first container 6; Because the deadweight of valve 7 and material 10 makes valve 7 be rotated down around axle 11, valve 7 is opened, and material 10 enters into and carries out subsequent processing in the main frame 8.The energising of time control module automatic guidance aspirator 1 on-cycle and the outage of microcontroller 2, material 10 carries out subsequent processing with regard to carrying endlessly in the main frame 8.When material in second container 9 is not enough, the autoalarm auto alarm of microcontroller 2.
Embodiment 2
As shown in Figure 4, as different from Example 1, filtering net 21 is installed in the end of aspiration channel 22 and first container, 23 bonded assemblys, one end.Comprise also by microcontroller 24 electric control valves 25 and opening and closed valve opening closing device that the unlatching of valve 25 and closure are controlled by the valve opening closing device.
Method of work comprises:
Feed pipe 26 injects in the material 28.The demand in the unit time of material is set the circulation energising of time-controlling arrangement of microcontroller 24 and the time gap of outage according to main frame.When aspirator is switched on, microcontroller 24 by-pass valve control opening and closing device closure valves, valve 25 is closed first container 23.By aspiration channel 22 air in first container 23 is discharged rapidly, negative pressure appears in moment in first container 23.Air in first container 23 further reduces, the container 23 inside and outside draught heads of winning are increased, under atmospheric effect, material is in feed pipe enters into first container 23 and be filtered net 21 and be blocked in first container 23, finish material is sent in first container 23, the impurity in the while material passes filtering net 21 and is drawn in the aspirator 27.After aspirator 27 outages, aspirator 27 stops air draft, and extraneous air enters in first container 23 by feed pipe 26, and making first container, 23 inside and outside draught heads is zero, stops material being sent in first container 23; Microcontroller 24 by-pass valve control opening and closing devices are opened valve, and material enters into and carries out subsequent processing in the main frame 29.The 27 on-cycles energising of time-controlling arrangement control aspirator and the outage of microcontroller 24, material carries out subsequent processing with regard to carrying endlessly in the main frame 29.When material in second container 30 is not enough, the autoalarm auto alarm of microcontroller 24.
Main frame of the present invention can be injection machine or hulling machine or comminutor or wrapping machine etc., because of there not being special requirement, so not at each embodiment the inside special version.For the material of variable grain shape, the filtering net in replaceable different apertures gets final product.
Claims (10)
1. a Material sucking machine comprises fully enclosed first container, aspiration channel, the feed pipe that is used for receiving granular material, second container that holds granular material, it is characterized in that: also comprise aspirator; One end of aspiration channel is connected with aspirator, and the other end is communicated with the inner chamber of first container; One end of feed pipe is communicated with the inner chamber of first container, and the other end is communicated with the inner chamber of second container; The lower end of first container is up big and down small conical hopper, and the bottom of conical hopper is a discharging opening, is provided with on discharging opening the first container fully enclosed valve, and discharging opening is communicated with the inlet point of main frame, and places the top of the inlet point of main frame; Also be provided with aspiration channel and feed pipe inner chamber separate, with the filtering net that the material in the aspiration channel and first container separates, the aperture of filtering net is less than the diameter of material.
2. a kind of Material sucking machine as claimed in claim 1, it is characterized in that: aspiration channel is connected the top of first container, feed pipe is connected on the sidewall of first container, and the top of close first container, described filtering net is separated into two spaces up and down fully with first container, the aspiration channel and the first container bonded assembly position are positioned at the top of filtering net, and the feed pipe and the first container bonded assembly position are positioned at the below of filtering net.
3. a kind of Material sucking machine as claimed in claim 1 is characterized in that: aspiration channel is connected the top of first container, and feed pipe is connected on the sidewall of first container, and the top of close first container; End at aspiration channel and the first container bonded assembly, one end is provided with described filtering net.
4. as any described a kind of Material sucking machine of claim 1 to 3, it is characterized in that: also be provided with microcontroller on described aspirator, microcontroller comprises the time-controlling arrangement of automatic guidance aspirator circulation energising and outage.
5. a kind of Material sucking machine as claimed in claim 4 is characterized in that: microcontroller does not also comprise when having material in second container can send the warning device of warning.
6. as any described a kind of Material sucking machine of claim 1 to 3, it is characterized in that: valve articulates with the bottom of first container is movable by axle, and the free end of valve is towards the bottom of first container.
7. as any described a kind of Material sucking machine of claim 1 to 3, it is characterized in that: described main frame is injection machine or hulling machine or comminutor or wrapping machine, the discharging opening of first container is communicated with the inlet point of injection machine or hulling machine or comminutor or wrapping machine, and places the top of inlet point.
8. the method for work of a Material sucking machine, Material sucking machine comprises fully enclosed first container, aspiration channel, the feed pipe that is used for receiving material, second container that holds material, it is characterized in that: Material sucking machine also comprises aspirator; One end of aspiration channel is connected with aspirator, and the other end is communicated with the inner chamber of first container; One end of feed pipe is communicated with the inner chamber of first container, and the other end is communicated with the inner chamber of second container; Bottom at first container is provided with discharging opening, is provided with on discharging opening the first container fully enclosed valve, and discharging opening is communicated with the inlet point of main frame, and places the top of the inlet point of main frame; Also be provided with aspiration channel and feed pipe inner chamber separate, with the filtering net that the material in the aspiration channel and first container separates, the aperture of filtering net is less than the diameter of material; Method of work comprises:
Feed pipe inserts in the material of second container; When aspirator energising work, pass through aspiration channel, air in first container is discharged rapidly, valve closing, produce negative pressure in first container, material under the atmospheric effect in feed pipe enters into first container and be filtered net and be blocked in first container, finish material sent in first container, the impurity in the material passes filtering net and is drawn in the aspirator simultaneously; After the aspirator outage, aspirator stops air draft, and extraneous air enters in first container by feed pipe, and making the inside and outside draught head of first container is zero, stops material being sent in first container; Valve open, material enter into further processing in the main frame under the effect of own wt; So circulation.
9. the method for work of a kind of Material sucking machine as claimed in claim 8 is characterized in that: also be provided with microcontroller on aspirator, microcontroller comprises the time-controlling arrangement of automatic guidance aspirator circulation energising and outage; Method of work comprises: the demand in the unit time of material is set the circulation energising of time-controlling arrangement of microcontroller and the time gap of outage according to main frame; Aspirator energising, outage periodical duty are by the time-controlling arrangement automatic guidance.
10. the method for work of a kind of Material sucking machine as claimed in claim 9 is characterized in that: valve is by axle and the movable pivot joint in the bottom of first container, and the free end of valve is towards the bottom of first container; Method of work also comprises:
When aspirator energising work because the air in first container is discharged rapidly and the free end of valve towards the bottom of first container, under atmospheric effect, valve rotates valve-off around axially going up; When aspirator outage quit work, aspirator stopped air draft, and extraneous air enters in first container by feed pipe, and making the inside and outside draught head of first container is zero, valve under weight of material and the weight effect of self, valve open.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101292889A CN102275740A (en) | 2011-05-13 | 2011-05-13 | Material suction machine and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101292889A CN102275740A (en) | 2011-05-13 | 2011-05-13 | Material suction machine and working method thereof |
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| CN102275740A true CN102275740A (en) | 2011-12-14 |
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| CN2011101292889A Pending CN102275740A (en) | 2011-05-13 | 2011-05-13 | Material suction machine and working method thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359489A (en) * | 2013-06-17 | 2013-10-23 | 苏州市佳宏机械有限公司 | Uninterrupted twin-bucket vacuum powder supply system and using method thereof |
| CN104609189A (en) * | 2014-12-08 | 2015-05-13 | 江门市携成机械有限公司 | Vacuum suction machine |
| CN105905459A (en) * | 2016-05-30 | 2016-08-31 | 东莞市恒荣机械设备有限公司 | Hopper structure system |
| CN106217766A (en) * | 2016-08-23 | 2016-12-14 | 柳州煜华科技有限公司 | Injection machine intelligence feeding controls device |
| CN107108133A (en) * | 2014-11-07 | 2017-08-29 | 米米株式会社 | Utilize the cereal transfer device of air |
| CN109089564A (en) * | 2018-07-18 | 2018-12-28 | 安徽省兴源草业有限公司 | It is a kind of for stalk processing wind send drawing-in device |
| CN112368224A (en) * | 2018-05-14 | 2021-02-12 | Fmk创新公司 | Vacuum conveyor for conveying granular and/or powdery material |
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| US6413020B1 (en) * | 1999-04-21 | 2002-07-02 | Alan L. Davison | Vacuum transfer apparatus and process |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103359489A (en) * | 2013-06-17 | 2013-10-23 | 苏州市佳宏机械有限公司 | Uninterrupted twin-bucket vacuum powder supply system and using method thereof |
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| CN107108133A (en) * | 2014-11-07 | 2017-08-29 | 米米株式会社 | Utilize the cereal transfer device of air |
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| CN105905459A (en) * | 2016-05-30 | 2016-08-31 | 东莞市恒荣机械设备有限公司 | Hopper structure system |
| CN106217766A (en) * | 2016-08-23 | 2016-12-14 | 柳州煜华科技有限公司 | Injection machine intelligence feeding controls device |
| CN112368224A (en) * | 2018-05-14 | 2021-02-12 | Fmk创新公司 | Vacuum conveyor for conveying granular and/or powdery material |
| CN109089564A (en) * | 2018-07-18 | 2018-12-28 | 安徽省兴源草业有限公司 | It is a kind of for stalk processing wind send drawing-in device |
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