CN108931286B - Weighing and storing device for powdery material - Google Patents
Weighing and storing device for powdery material Download PDFInfo
- Publication number
- CN108931286B CN108931286B CN201811227605.9A CN201811227605A CN108931286B CN 108931286 B CN108931286 B CN 108931286B CN 201811227605 A CN201811227605 A CN 201811227605A CN 108931286 B CN108931286 B CN 108931286B
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- Prior art keywords
- weighing
- fan
- hopper
- fixed
- valve
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- 238000005303 weighing Methods 0.000 title claims abstract description 104
- 239000000463 material Substances 0.000 title claims abstract description 45
- 239000002994 raw material Substances 0.000 claims abstract description 37
- 238000003860 storage Methods 0.000 claims abstract description 22
- 238000007599 discharging Methods 0.000 claims abstract description 7
- 239000000843 powder Substances 0.000 claims description 8
- 238000007664 blowing Methods 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000012760 heat stabilizer Substances 0.000 description 3
- IHBCFWWEZXPPLG-UHFFFAOYSA-N [Ca].[Zn] Chemical compound [Ca].[Zn] IHBCFWWEZXPPLG-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000012856 weighed raw material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
- G01G17/06—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes having means for controlling the supply or discharge
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a weighing and storing device for powdery materials, which comprises a raw material storage hopper, a first weighing hopper, a buffer channel, a first fan, a conveying pipe, a second weighing hopper, a second fan, a top cover and a controller, wherein a plurality of second weighing hoppers are fixed at the bottom end of the top cover, a steering valve is arranged at one side of the top cover, a first valve opening and a second valve opening are respectively arranged on the steering valve, the second valve opening is communicated with the upper part of the raw material storage hopper through the conveying pipe, the second fan is positioned at the top end of a storage hopper cover of the raw material storage hopper, a vibration discharging device is arranged at the outlet of the lower end of the raw material storage hopper, the outlet of the vibration discharging device is positioned above the inlet of the first weighing hopper, the outlet of the first weighing hopper is positioned above the buffer channel, the first fan is arranged at one side of the lower end of the buffer channel, and the other side of the lower end of the buffer channel is communicated with the first valve opening through the conveying pipe, and the weighing speed is high and the weighing precision is high.
Description
[ field of technology ]
The invention relates to the technical field of material conveying, in particular to the technical field of a weighing and storing device for powdery materials.
[ background Art ]
The PVC industry in China rapidly develops to provide good market guarantee and wide development space for the development of the heat stabilizer industry, and simultaneously, higher requirements are also provided for the heat stabilizer industry. According to the development planning of the plastic industry in China, the demand of the heat stabilizer in 2015 reaches about 54 ten thousand tons.
The production of the calcium zinc organic stabilizer does not involve chemical reaction, and the process flow can be divided into 4 steps: weighing, mixing, granulating and packaging the raw materials. The raw materials are required to be weighed according to the formula requirement, and the raw materials are poured into a stirring tank according to different weight proportions. The raw materials of the calcium-zinc stabilizer are powdery, the existing powdery materials are conveyed by gas conveying, spiral conveying, conveying belt conveying and the like, and the gas conveying is gradually increased along with the improvement of environmental protection requirements, but the online weighing is difficult in the gas conveying, and the defects of low weighing speed and low weighing precision exist. And manual weighing is time-consuming and labor-consuming, the weighing error is large, and the weighing production efficiency is low. In addition, dust is very easy to generate in the weighing and conveying processes of raw materials, so that not only can the loss of materials be caused, but also the health of workers can be influenced.
[ invention ]
The invention aims to solve the problems in the prior art, and provides a weighing and storing device for powdery materials, which can pre-weigh materials by a first weighing hopper, convey the materials with the weight larger than required into a second weighing hopper by a first fan, and screen out the materials closest to a target value by arranging and combining the materials in different second weighing hoppers, so that the weighing speed is high and the weighing precision is high.
In order to achieve the above purpose, the invention provides a weighing and storing device for powdery materials, which comprises a raw material storage hopper, a first weighing hopper, a buffer channel, a first fan, a conveying pipe, a second weighing hopper, a second fan, a top cover and a controller, wherein a plurality of second weighing hoppers are fixed at the bottom end of the top cover, the controller is fixed at the outer side of the second weighing hopper, a steering valve is arranged at one side of the top cover, a first valve opening and a second valve opening are respectively arranged on the steering valve, the second valve opening is communicated with the upper part of the raw material storage hopper through the conveying pipe, the second fan is positioned at the top end of a storage hopper cover of the raw material storage hopper, a vibration discharging device is arranged at the outlet of the lower end of the raw material storage hopper, the outlet of the vibration discharging device is positioned above the inlet of the first weighing hopper, the outlet of the first weighing hopper is positioned above the buffer channel, the first fan is arranged at one side of the lower end of the buffer channel, and the other side of the lower end of the buffer channel is communicated with the first valve opening through the conveying pipe.
Preferably, a first cylinder is fixed on the outer wall of the first weighing hopper, a first material door shaft is fixed at the opening of the bottom end of the first weighing hopper in a rotating mode through a first shaft support, a first material door is fixed on the first material door shaft, the other end of a telescopic rod of the first cylinder is hinged to the first material door, and a plurality of first weighing sensors are further fixed on the outer wall of the first weighing hopper.
Preferably, a second cylinder is fixed on the outer wall of the second weighing hopper, a second material door shaft is fixed at the opening of the bottom end of the second weighing hopper through a second shaft bracket in a rotating mode, a second material door is fixed on the second material door shaft, the other end of a telescopic rod of the second cylinder is hinged to the second material door, and a second weighing sensor is further fixed on the outer wall of the first weighing hopper.
Preferably, a buffer valve is arranged on the top inlet of the buffer channel.
Preferably, the first fan is an air blowing fan, and the second fan is an air extracting fan.
Preferably, the steering valve is located at one side of the top surface of the top cover.
Preferably, the vibration discharger, the first weighing sensor, the first air cylinder, the buffer valve, the first fan, the steering valve, the second weighing sensor, the second air cylinder and the second fan are all electrically connected with the controller.
The invention has the beneficial effects that: according to the invention, the first weighing hopper is used for pre-weighing, the first fan is used for conveying raw materials with the weight larger than the required weight into the second weighing hopper, and the raw materials in different second weighing hoppers are arranged and combined, so that the raw material combination closest to the target value is screened out, and the weighing speed and the weighing precision are high.
The features and advantages of the present invention will be described in detail by way of example with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a front view of a powder material weighing and storing device according to the present invention.
In the figure: 1-raw material storage hopper, 11-storage hopper cover, 12-vibration discharger, 2-first weighing hopper, 21-first weighing sensor, 22-first cylinder, 23-first material gate, 3-buffer channel, 31-buffer valve, 4-first fan, 5-conveying pipe, 6-second weighing hopper, 61-second weighing sensor, 62-second cylinder, 63-second material gate, 7-second fan, 8-top cover, 81-steering valve, 811-first valve gate, 812-second valve gate, 9-controller.
[ detailed description ] of the invention
Referring to fig. 1, the weighing and storing device for powdery materials comprises a raw material storage hopper 1, a first weighing hopper 2, a buffer channel 3, a first fan 4, a conveying pipe 5, a second weighing hopper 6, a second fan 7, a top cover 8 and a controller 9, wherein a plurality of second weighing hoppers 6 are fixed at the bottom end of the top cover 8, the controller 9 is fixed at the outer side of the second weighing hopper 6, a steering valve 81 is arranged at one side of the top cover 8, a first valve 811 and a second valve opening 812 are respectively arranged on the steering valve 81, the second valve opening 812 is communicated with the upper part of the raw material storage hopper 1 through the conveying pipe 5, the second fan 7 is positioned at the top end of a raw material storage hopper cover 11, a vibrator 12 is arranged at the lower end outlet of the raw material storage hopper 1, the outlet of the vibrator 12 is positioned above the inlet of the first weighing hopper 2, the outlet of the first weighing hopper 2 is positioned above the buffer channel 3, a steering valve 81 is arranged at one side of the first fan 4, a first valve opening is fixedly arranged at the other side of the first hopper 3 through a first valve opening 2, a first cylinder 2 is rotatably arranged at the other side of the first valve opening 2, a first cylinder 2 is rotatably and is fixedly connected with the other end of the first valve opening 2 through a first valve opening 2, a first cylinder 2 is rotatably arranged at the other side of the first valve opening 2, a first cylinder 2 is rotatably and is fixedly connected with the first cylinder 2 through the first valve opening, a first cylinder 2 is rotatably and is rotatably arranged at the other end, the first cylinder is rotatably and is rotatably positioned at the inlet, the second material door shaft is fixedly provided with a second material door 63, the other end of the telescopic rod of the second air cylinder 62 is hinged to the second material door 63, the outer wall of the first weighing hopper 2 is fixedly provided with a second weighing sensor 61, a buffer valve 31 is arranged at the top inlet of the buffer channel 3, the first fan 4 is an air blowing fan, the second fan 7 is an air extraction fan, the steering valve 81 is positioned on one side of the top surface of the top cover 8, and the vibration discharging device 12, the first weighing sensor 21, the first air cylinder 22, the buffer valve 31, the first fan 4, the steering valve 81, the second weighing sensor 61, the second air cylinder 62 and the second fan 7 are all electrically connected with the controller 9.
The working process of the invention comprises the following steps:
in the working process of the weighing and storing device for powdery materials, a raw material storage hopper 1 adds raw materials into a first weighing hopper 2 through a vibration discharger 12. When the weight of the raw materials in the first weighing hopper 2 reaches a preset value, the first weighing sensor 21 sends an electric signal to the controller 9, so that the vibration discharger 12 stops working, the buffer valve 31 at the top of the buffer channel 3 is opened, and the first cylinder 22 drives the first material door 23 to be opened, so that the pre-weighed raw materials fall into the buffer channel 3 from the first weighing hopper 2. The damper valve 31 is then closed, the steering valve 81 opens the first valve port 811 and closes the second valve port 812, and the first fan 4 operates to blow the raw material into the top cover 8 through the delivery pipe 5. The raw material horizontally entering the top cover 8 falls into a different second weighing hopper 6 due to the different particle sizes. The controller 9 screens out a plurality of second weighing hoppers 6 by calculation, analysis and combination so that the total weight of the raw materials in the selected second weighing hoppers 6 is closest to the target value. Then, the second cylinder 62 of the selected second weighing hopper 6 drives the second gate 63 to open, so that the calculated raw material falls into the stirring tank. When it is necessary to clean the second weighing hopper 6, the first valve port 811 is closed and the second valve port 812 is opened by the steering valve 81, and the second fan 7 is operated to suck and recover the raw material into the raw material hopper 1 through the conveying pipe 5.
According to the invention, the first weighing hopper is used for pre-weighing, the first fan is used for conveying raw materials with the weight larger than the required weight into the second weighing hopper, and the raw materials in different second weighing hoppers are arranged and combined, so that the raw material combination closest to the target value is screened out, and the weighing speed and the weighing precision are high.
The above embodiments are illustrative of the present invention, and not limiting, and any simple modifications of the present invention fall within the scope of the present invention.
Claims (7)
1. A powder material weighing and storing device, which is characterized in that: the device comprises a raw material storage hopper (1), a first weighing hopper (2), a buffer channel (3), a first fan (4), a conveying pipe (5), a second weighing hopper (6), a second fan (7), a top cover (8) and a controller (9), wherein a plurality of second weighing hoppers (6) are fixed at the bottom end of the top cover (8), the controller (9) is fixed at the outer side of the second weighing hopper (6), a steering valve (81) is arranged at one side of the top cover (8), a first valve opening (811) and a second valve opening (812) are respectively arranged on the steering valve (81), the second valve opening (812) is communicated with the upper part of the raw material storage hopper (1) through the conveying pipe (5), the second fan (7) is positioned at the top end of a storage hopper cover (11) of the raw material storage hopper (1), a vibration discharging device (12) is arranged at the outlet of the lower end of the raw material storage hopper (1), the outlet of the vibration discharging device (12) is positioned above the first weighing hopper (2), the outlet of the first fan (3) is positioned above the buffer channel (4) at one side of the buffer channel (3), the other side of the lower end of the buffer channel (3) is communicated with a first valve opening (811) through a conveying pipe (5).
2. A powder material weighing and storing device according to claim 1, wherein: the automatic weighing device is characterized in that a first air cylinder (22) is fixed on the outer wall of the first weighing hopper (2), a first material door shaft is fixed at the opening of the bottom end of the first weighing hopper (2) through a first shaft support in a rotating mode, a first material door (23) is fixed on the first material door shaft, the other end of a telescopic rod of the first air cylinder (22) is hinged to the first material door (23), and a plurality of first weighing sensors (21) are further fixed on the outer wall of the first weighing hopper (2).
3. A powder material weighing and storing device according to claim 1, wherein: the second weighing hopper (6) is characterized in that a second cylinder (62) is fixed on the outer wall of the second weighing hopper (6), a second material door shaft is fixed at the opening of the bottom end of the second weighing hopper (6) through a second shaft bracket in a rotating mode, a second material door (63) is fixed on the second material door shaft, the other end of a telescopic rod of the second cylinder (62) is hinged to the second material door (63), and a second weighing sensor (61) is further fixed on the outer wall of the first weighing hopper (2).
4. A powder material weighing and storing device according to claim 1, wherein: a buffer valve (31) is arranged on the top inlet of the buffer channel (3).
5. A powder material weighing and storing device according to claim 1, wherein: the first fan (4) is a blowing fan, and the second fan (7) is an air extraction fan.
6. A powder material weighing and storing device according to claim 1, wherein: the steering valve (81) is positioned on one side of the top surface of the top cover (8).
7. A powder material weighing and storing device according to claim 1, wherein: the vibration discharger (12), the first weighing sensor (21), the first air cylinder (22), the buffer valve (31), the first fan (4), the steering valve (81), the second weighing sensor (61), the second air cylinder (62) and the second fan (7) are all electrically connected with the controller (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227605.9A CN108931286B (en) | 2018-10-22 | 2018-10-22 | Weighing and storing device for powdery material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811227605.9A CN108931286B (en) | 2018-10-22 | 2018-10-22 | Weighing and storing device for powdery material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108931286A CN108931286A (en) | 2018-12-04 |
| CN108931286B true CN108931286B (en) | 2023-12-12 |
Family
ID=64443813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811227605.9A Active CN108931286B (en) | 2018-10-22 | 2018-10-22 | Weighing and storing device for powdery material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108931286B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2204558A1 (en) * | 1972-10-27 | 1974-05-24 | Gonard Andre | Automatic distribution of plastics to processing machines - using pressure tight hoppers and a vacuum distribution manifold |
| US5184892A (en) * | 1990-07-27 | 1993-02-09 | Pfister Gmbh | System and method for continuous gravimetric metering, pneumatic conveying and/or mixing of pourable materials |
| CN201552687U (en) * | 2009-12-04 | 2010-08-18 | 川田机械制造(上海)有限公司 | Weight reduction type conveying and metering device |
| CN204508222U (en) * | 2015-01-19 | 2015-07-29 | 郑州佑飞机电科技有限公司 | A kind of filler pneumatic conveying gathering-device |
| CN205775724U (en) * | 2016-06-04 | 2016-12-07 | 江阴泰富沥青有限公司 | Colophonium weighing and burden induction system |
| CN107043024A (en) * | 2017-05-04 | 2017-08-15 | 宜宾天原集团股份有限公司 | A kind of polyvinyl chloride resin powder delivery system |
-
2018
- 2018-10-22 CN CN201811227605.9A patent/CN108931286B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2204558A1 (en) * | 1972-10-27 | 1974-05-24 | Gonard Andre | Automatic distribution of plastics to processing machines - using pressure tight hoppers and a vacuum distribution manifold |
| US5184892A (en) * | 1990-07-27 | 1993-02-09 | Pfister Gmbh | System and method for continuous gravimetric metering, pneumatic conveying and/or mixing of pourable materials |
| CN201552687U (en) * | 2009-12-04 | 2010-08-18 | 川田机械制造(上海)有限公司 | Weight reduction type conveying and metering device |
| CN204508222U (en) * | 2015-01-19 | 2015-07-29 | 郑州佑飞机电科技有限公司 | A kind of filler pneumatic conveying gathering-device |
| CN205775724U (en) * | 2016-06-04 | 2016-12-07 | 江阴泰富沥青有限公司 | Colophonium weighing and burden induction system |
| CN107043024A (en) * | 2017-05-04 | 2017-08-15 | 宜宾天原集团股份有限公司 | A kind of polyvinyl chloride resin powder delivery system |
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| Publication number | Publication date |
|---|---|
| CN108931286A (en) | 2018-12-04 |
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