CN211893717U - Nano-scale powder compact bagging device - Google Patents
Nano-scale powder compact bagging device Download PDFInfo
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- CN211893717U CN211893717U CN202020272625.4U CN202020272625U CN211893717U CN 211893717 U CN211893717 U CN 211893717U CN 202020272625 U CN202020272625 U CN 202020272625U CN 211893717 U CN211893717 U CN 211893717U
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- feeding
- negative pressure
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- spiral
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- 239000000843 powder Substances 0.000 title claims abstract description 34
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 238000005303 weighing Methods 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 21
- 238000007599 discharging Methods 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 claims description 6
- 239000011295 pitch Substances 0.000 claims description 5
- 238000012856 packing Methods 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract 6
- 235000017491 Bambusa tulda Nutrition 0.000 abstract 6
- 241001330002 Bambuseae Species 0.000 abstract 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract 6
- 239000011425 bamboo Substances 0.000 abstract 6
- 230000000740 bleeding effect Effects 0.000 abstract 4
- 238000000605 extraction Methods 0.000 description 16
- 238000004806 packaging method and process Methods 0.000 description 11
- 238000005086 pumping Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000011858 nanopowder Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
A nano-scale powder compact bagging device, which comprises a horizontal screw machine, a vertical screw machine, a bag clamping and weighing mechanism and a lifting frame, electric lift mechanism, the negative pressure air exhaust system, horizontal screw machine includes feeding screw section of thick bamboo, the air exhaust screw section of thick bamboo, ejection of compact screw section of thick bamboo, the air exhaust screw section of thick bamboo is equipped with a plurality of negative pressure chambeies of bleeding, the vacuum in a plurality of negative pressure chambeies of bleeding increases in proper order on the auger delivery direction, vertical screw machine includes the feed spiral, the upper portion of feed spiral is equipped with a feeding section of thick bamboo, the feed cylinder of bleeding is connected to a feeding section of thick bamboo lower extreme, feed cylinder lower extreme connection interior feed cylinder of bleeding, feed cylinder below still is equipped with the lift urceolus, the outside upper end of lift urceolus is equipped with laser range finder, laser range finder's lower extreme connection beam pipe, the middle part that the lift urceolus passed double-. The utility model discloses can take out the air that contains in the nanometer powder and separate, realize the high-speed packing of opening bag of nanometer powder.
Description
Technical Field
The utility model discloses a closely knit sack filling device of nanometer powder belongs to powder packaging machinery field.
Background
Patent application 201910360820.4 discloses an intelligent vertical spiral bagging device, can adapt to the change of material gas content and the change of spiral filling rate automatically, can be applied to the bagging-off of most powder. However, for nano-scale powder, due to the reasons of small particle size, microstructure of the powder and the like, the powder contains a large amount of air and is fluffy, and the powder and the air are mixed together to form a floating state, so that the material flowability is poor. The existing nano-scale powder is packaged in a vacuum valve bag, the powder is sucked into the valve bag by using negative pressure outside the packaging bag, but the bulk density of the powder after being packaged is only about one fifth of that of the common powder, the packaging mode of the vacuum valve bag also has the problems of poor weighing precision, large dust on a packaging site, low packaging speed and the like, and the packaged product has large volume and low density, so that great waste is caused for product storage and transportation.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the existing intelligent vertical spiral bagging device and the vacuum valve bag packing machine can not well package nano-powder, on the premise of adopting the technical scheme of the intelligent vertical spiral bagging device, the utility model provides a nano-powder compact bagging device, which comprises a horizontal spiral machine 1, a vertical spiral machine 2, a bag clamping weighing mechanism 3, a lifting frame 4, an electric lifting mechanism 5 and a negative pressure air pumping system, wherein the horizontal spiral machine 1 comprises a feeding spiral shaft 11, the feeding end of the feeding spiral shaft 11 is provided with a feeding spiral cylinder 12, the discharging end of the feeding spiral shaft 11 is provided with a discharging spiral cylinder 17, an air pumping spiral cylinder 13 is connected between the feeding spiral cylinder 12 and the discharging spiral cylinder 17, the lower part of the feeding spiral cylinder 12 is provided with a feeding negative pressure cavity 121, the feeding negative pressure cavity 121 is communicated with the negative pressure air pumping system, the air pumping spiral cylinder 13 is provided with a plurality of air pumping negative pressure cavities in the spiral conveying direction, each air-extracting negative pressure cavity is provided with a first negative pressure switch 19 and a first electric proportional valve 18, the first electric proportional valve 18 is communicated with a negative pressure air-extracting system, the vacuum degree value of the outlet end of the first electric proportional valve 18 is adjusted by utilizing the vacuum degree value measured by the first negative pressure switch 19, so that the vacuum degree of the air-extracting negative pressure cavity is stabilized at a set value, the vacuum degree values of a plurality of air-extracting negative pressure cavities are sequentially increased in the spiral conveying direction, the side surface of the discharging spiral cylinder 17 is provided with a discharging hole 10 which is inclined downwards, the vertical spiral machine 2 comprises a feeding spiral 23, the upper shaft end of the feeding spiral 23 is connected with a feeding motor 21, the upper part of the feeding spiral 23 is provided with a feeding cylinder 22, the side surface of the feeding cylinder 22 is provided with a feeding hole connected with the discharging hole 10, the lower end of the feeding cylinder 22 is connected with an air-extracting charging cylinder 24, the upper end of the outer side of the lifting outer cylinder 25 is provided with a laser range finder 27, the lower end of the laser range finder 27 is connected with a light beam tube 26, the lower end outlet of the light beam tube 26 is near the outlet of the feeding screw 23, the light beam of the laser range finder 27 irradiates downwards in the light beam tube 26, the lifting outer cylinder 25 passes through the middle part of the bag clamping weighing mechanism 3, the bag clamping weighing mechanism 3 is fixed on the lifting frame 4, the lifting frame 4 is driven by the electric lifting mechanism 5 to realize the up-and-down lifting, a second negative pressure switch 29 and a second electric proportional valve 28 are arranged on the compact negative pressure cavity of the air extraction charging barrel 24, the second electric proportional valve 28 is communicated with a negative pressure air extraction system, the value of the vacuum measured by the second vacuum switch 29 is used to determine whether the material in the feed cylinder 22 is filled too full when the feed motor 21 is overloaded, the vertical screw machine 2, the bag clamping weighing mechanism 3 and the electric lifting mechanism 5 adopt a control method provided by an intelligent vertical screw bagging device.
The feeding screw shaft 11 is provided with a plurality of groups of screw blades with sequentially reduced screw pitches in the conveying direction, and the length of each group of screw blades basically corresponds to the length of the air exhaust negative pressure cavity.
The utility model discloses a theory of operation is:
A. the mixture of the nano-scale powder and the air is positioned in a bin above the feeding spiral cylinder 12, the powder is sucked into a feeding section spiral blade of the feeding spiral shaft 11 by utilizing the negative pressure generated by the feeding negative pressure cavity 121, and then the powder is conveyed forward to the air exhaust spiral cylinder 13 by the feeding spiral shaft 11;
B. the powder material is sequentially subjected to the air extraction action of a plurality of air extraction negative pressure cavities with gradually increased vacuum degrees in the air extraction spiral cylinder 13, so that the gas quantity contained in the powder material is gradually reduced, and when the gas content in the material is changed, the negative pressure change of the air extraction negative pressure cavities can be detected by the first negative pressure switch, so that the outlet end negative pressure of the first electric proportional valve is adjusted; when the gas in the powder is pumped away and the density and the volume of the material become larger, the pitch of the blades on the feeding screw shaft 11 also becomes smaller correspondingly so as to reduce the volume among the screw blades;
C. the powder material after the air is pumped out reaches the discharging spiral cylinder 17, enters the spiral blade of the feeding spiral 23 from the discharging port 10, and is continuously conveyed downwards to pass through the air pumping function of the compact negative pressure cavity of the air pumping charging cylinder 24, so that the air contained in the powder material is completely pumped out, and the requirement of compact packaging is met;
D. during the process of filling the compacted nano-scale powder into a packaging bag, the bagging process of the powder is completed by a material fall constant control method and a self-adaptive material gas content change control method;
E. during the bagging process of the feeding screw 23, if the feeding motor 21 is overloaded and the vacuum value measured by the second negative pressure switch 29 is within the set range, it indicates that the material in the feeding cylinder 22 is filled too fully, and the rotating speed of the feeding screw shaft 11 needs to be reduced.
The utility model has the advantages that:
A. the air-extracting spiral cylinder 13 arranged on the horizontal spiral machine 1 is utilized to extract a large amount of air contained in the nano-scale powder, so that the nano-scale powder meets the density requirement of packaging by using an open bag, and the intelligent vertical spiral bagging device is combined to realize high-speed, high-precision, dust-free and small-volume packaging of the ultrafine powder, and compared with a vacuum valve bag packaging machine, the powder density and the packaging speed are improved by more than 50 percent, and the weighing precision is improved by more than 1 time.
B. The multiple air-extracting negative pressure cavities with sequentially increased vacuum degrees are arranged by the air-extracting spiral cylinder 13, so that the step-by-step air extraction is realized, the air-extracting efficiency is improved, and the overload fault of the spiral motor caused by the material adsorption on the spiral cylinder wall due to single-stage air extraction is avoided;
C. the multiple groups of helical blades with the sequentially reduced screw pitches on the feeding screw shaft 11 corresponding to the length of the air-extracting negative pressure cavity are utilized to ensure that the materials after air extraction cannot be diffused again, and the effect of stably increasing the powder density is achieved.
Drawings
Fig. 1 is a three-dimensional axial view of the present invention.
Fig. 2 is a schematic structural view of the horizontal screw machine 1.
Fig. 3 is a cross-sectional view of the feed screw barrel 12.
Figure 4 is a cross-sectional view of the extraction screw cylinder 13.
Fig. 5 is a schematic view of the structure of the feed screw shaft 11.
Fig. 6 is a three-dimensional isometric view of the vertical screw machine 2.
Detailed Description
The utility model discloses a concrete implementation mode refers to fig. 1 to 6, a nanometer powder compact bagging device, it includes horizontal screw machine 1, vertical screw machine 2, bag clamping weighing mechanism 3, crane 4, electric elevating mechanism 5, negative pressure air exhaust system, horizontal screw machine 1 includes feeding screw axis 11, feeding screw axis 11's feed end is equipped with feeding screw cylinder 12, feeding screw axis 11's discharge end is equipped with discharging screw cylinder 17, be connected with air exhaust screw cylinder 13 between feeding screw cylinder 12 and discharging screw cylinder 17, feeding screw cylinder 12's lower part is equipped with feeding negative pressure chamber 121, feeding negative pressure chamber 121 communicates with negative pressure air exhaust system, screw air exhaust cylinder 13 is equipped with air exhaust negative pressure chamber 14, air exhaust negative pressure chamber 15, air exhaust negative pressure chamber 16 in proper order in spiral conveying direction, each negative pressure chamber all is equipped with first negative pressure switch 19 and first electric proportional valve 18, the first electric proportional valve 18 is communicated with a negative pressure air extraction system, the vacuum degree value of the outlet end of the first electric proportional valve 18 is adjusted by utilizing the vacuum degree value measured by the first negative pressure switch 19, so that the vacuum degree of an air extraction negative pressure cavity is stabilized at a set value, the vacuum degree values of three air extraction negative pressure cavities are sequentially increased in the spiral conveying direction, the side surface of the discharging spiral cylinder 17 is provided with a discharging hole 10 which is inclined downwards, the vertical spiral machine 2 comprises a feeding spiral 23, the upper shaft end of the feeding spiral 23 is connected with a feeding motor 21, the upper part of the feeding spiral 23 is provided with a feeding cylinder 22, the side surface of the feeding cylinder 22 is provided with a feeding hole which is connected with the discharging hole 10, the lower end of the feeding cylinder 22 is connected with an air extraction charging cylinder 24, the lower end of the air extraction charging cylinder 24 is connected with an inner charging cylinder, a lifting outer cylinder 25 is further arranged below the air extraction charging, the lower end outlet of the light beam pipe 26 is near the outlet of the feeding screw 23, the light beam of the laser range finder 27 irradiates downwards in the light beam pipe 26, the lifting outer cylinder 25 passes through the middle part of the bag clamping weighing mechanism 3, the bag clamping weighing mechanism 3 is fixed on the lifting frame 4, the lifting frame 4 is driven by the electric lifting mechanism 5 to realize the up-and-down lifting, a second negative pressure switch 29 and a second electric proportional valve 28 are arranged on a compact negative pressure cavity of the air suction material cylinder 24, the second electric proportional valve 28 is communicated with a negative pressure air suction system, when the feeding motor 21 is overloaded, the vacuum degree value measured by the second negative pressure switch 29 is used for determining whether the material in the feeding cylinder 22 is filled too fully, and the vertical screw machine 2, the bag clamping weighing mechanism 3 and the electric lifting mechanism 5 adopt the control method provided by the intelligent vertical screw bagging device.
The feeding screw shaft 11 is provided with A, B, C three groups of screw blades with successively smaller screw pitches in the conveying direction, and the length of each group of screw blades basically corresponds to the length of the air suction negative pressure cavity.
Claims (2)
1. The utility model provides a closely knit sack filling device of nanometer powder, it includes vertical screw (2), presss from both sides bag weighing machine (3), crane (4), electric lift mechanism (5), negative pressure air exhaust system, its characterized in that: the horizontal screw machine (1) comprises a feeding screw shaft (11), a feeding screw cylinder (12) is arranged at the feeding end of the feeding screw shaft (11), a discharging screw cylinder (17) is arranged at the discharging end of the feeding screw shaft (11), an air exhaust screw cylinder (13) is connected between the feeding screw cylinder (12) and the discharging screw cylinder (17), a feeding negative pressure cavity (121) is arranged at the lower part of the feeding screw cylinder (12), the feeding negative pressure cavity (121) is communicated with a negative pressure air exhaust system, a plurality of air exhaust negative pressure cavities are arranged on the air exhaust screw cylinder (13) in the screw conveying direction, each air exhaust cavity is provided with a first negative pressure switch (19) and a first electric proportional valve (18), the first electric proportional valve (18) is communicated with the negative pressure air exhaust system, the vacuum degree value measured by the first negative pressure switch (19) is used for adjusting the vacuum degree value at the outlet end of the first electric proportional valve (18) so that the vacuum degree of the negative pressure cavity is stabilized at a set value, the vacuum degree values of the plurality of air-extracting negative pressure cavities are sequentially increased in the spiral conveying direction, a discharging port (10) which is inclined downwards is arranged on the side surface of the discharging spiral cylinder (17), the vertical spiral machine (2) comprises a feeding spiral (23), the upper shaft end of the feeding spiral (23) is connected with a feeding motor (21), a feeding cylinder (22) is arranged on the upper part of the feeding spiral (23), a feeding port connected with the discharging port (10) is arranged on the side surface of the feeding cylinder (22), the lower end of the feeding cylinder (22) is connected with an air-extracting material cylinder (24), the lower end of the air-extracting material cylinder (24) is connected with an inner material cylinder, a lifting outer cylinder (25) is further arranged below the air-extracting material cylinder (24), a laser range finder (27) is arranged at the upper end of the outer side of the lifting outer cylinder (25), the lower end of the laser range finder (27) is connected with a beam tube, the laser distance measuring device comprises a laser distance measuring instrument (27), a light beam is irradiated downwards in a light beam tube (26), a lifting outer tube (25) penetrates through the middle of a bag clamping weighing mechanism (3), the bag clamping weighing mechanism (3) is fixed on a lifting frame (4), the lifting frame (4) is driven by an electric lifting mechanism (5) to lift up and down, a second negative pressure switch (29) and a second electric proportional valve (28) are arranged on a compact negative pressure cavity of an air suction charging barrel (24), the second electric proportional valve (28) is communicated with a negative pressure air suction system, when a feeding motor (21) is overloaded, the vacuum degree value measured by the second negative pressure switch (29) is used for determining whether the material in the feeding barrel (22) is filled too fully, and the vertical screw machine (2), the bag clamping weighing mechanism (3) and the electric lifting mechanism (5) adopt a control method provided by an intelligent vertical screw bagging device.
2. The apparatus for densely bagging nanoscale powder according to claim 1, wherein: the feeding screw shaft (11) is provided with a plurality of groups of screw blades with sequentially reduced screw pitches in the conveying direction, and the length of each group of screw blades basically corresponds to the length of the air exhaust negative pressure cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272625.4U CN211893717U (en) | 2020-03-09 | 2020-03-09 | Nano-scale powder compact bagging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020272625.4U CN211893717U (en) | 2020-03-09 | 2020-03-09 | Nano-scale powder compact bagging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211893717U true CN211893717U (en) | 2020-11-10 |
Family
ID=73301289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020272625.4U Withdrawn - After Issue CN211893717U (en) | 2020-03-09 | 2020-03-09 | Nano-scale powder compact bagging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211893717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204477A (en) * | 2020-03-09 | 2020-05-29 | 哈尔滨博实自动化股份有限公司 | Nano-scale powder compact bagging device |
| CN113184236A (en) * | 2021-04-24 | 2021-07-30 | 深圳市创仁科技有限公司 | Rare earth quantitative feeding system |
-
2020
- 2020-03-09 CN CN202020272625.4U patent/CN211893717U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111204477A (en) * | 2020-03-09 | 2020-05-29 | 哈尔滨博实自动化股份有限公司 | Nano-scale powder compact bagging device |
| CN111204477B (en) * | 2020-03-09 | 2024-04-30 | 哈尔滨博实自动化股份有限公司 | Dense bagging device for nanoscale powder |
| CN113184236A (en) * | 2021-04-24 | 2021-07-30 | 深圳市创仁科技有限公司 | Rare earth quantitative feeding system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20201110 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20201110 Effective date of abandoning: 20240430 |