CN103010498B - A kind of packing scale of band dedusting function - Google Patents
A kind of packing scale of band dedusting function Download PDFInfo
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- CN103010498B CN103010498B CN201210579684.6A CN201210579684A CN103010498B CN 103010498 B CN103010498 B CN 103010498B CN 201210579684 A CN201210579684 A CN 201210579684A CN 103010498 B CN103010498 B CN 103010498B
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- stationary hopper
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- soft cloth
- sackholder
- cloth bag
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Abstract
A kind of packing scale of band dedusting function, including frame and powder weighing device, powder weighing device is contained in frame, feature is: described powder weighing device includes stationary hopper, LOAD CELLS, sackholder, belt conveyor, cleaner unit, the inwall of stationary hopper is equipped with soft cloth bag, and the outside of the discharging opening of stationary hopper is provided with a circle rubber ferrule, and one end of LOAD CELLS is connected with frame, the other end is connected with sackholder, and the trachea of cleaner unit is connected with soft cloth bag.This device substantially reduces the error caused due to sizing in packaging process, and not only precision is high, and dust have also been obtained preferably control, preferably resolves packing scale weighing precision and the problem of working site bad environments.
Description
Technical field
The present invention relates to a kind of packing scale, particularly relate to a kind of elimination sizing impact on weighing precision, packing scale of band dedusting function from principle.
Background technology
Existing powder weighing packing scale is as shown in Figure 1, after display instrument sets the weight of single bag, powder drops into bucket 3 from finished product bin by spiral feed opening 1, on the top of bucket 3, LOAD CELLS 2 is installed, being fixed in the frame on side, LOAD CELLS 2 feeds back to control system bucket 3, sackholder 4, TBW value with packaging bag 5 three of material in real time, calculates through program, remove bucket 3 and the weight of sackholder 4, the weight of remaining packaging bag 5；When in packaging bag, the actual weight of powder is equal to setting weight, spiral feed opening 1 stops charging, and packaging bag 5 departs from from sackholder 4, falls on belt conveyor 6, enters next process.
Existing powder weighing device is when reality is applied, owing to the water content of some powder is higher, powder is when falling in bucket 3, have certain impulsive force, partial material is caused to be bonded on the inwall of bucket 3, when LOAD CELLS 2 monitor bucket 3, sackholder 4, with material packaging bag 5 three TBW value equal to set gravimetric value time, stop blanking.In packaging process, owing between sackholder 4 and bucket 3, sealing is poor, powder has dust when falling into packaging bag 5 and flies out, and have partial material to be again bonded on the inwall of bucket 3, so the powder actually entering packaging bag is fewer than standard volume, and instrument shows and reaches standard volume, thus result in bigger error.In follow-up packaging process, the powder being bonded on bucket 3 inwall is cumulative, can fall into suddenly in packaging bag 5 sometime, it is possible to makes the actual weight of packaging bag more than standard weights, causes the inaccurate of weighing.
Summary of the invention
In order to solve packing scale weighing precision and the problem of working site bad environments, we have proposed the packing scale of a kind of band dedusting function, this device substantially reduces the error caused due to sizing in packaging process, and not only precision is high, and dust have also been obtained preferably control.
For achieving the above object, the technical solution used in the present invention is:
A kind of packing scale of band dedusting function, including frame and powder weighing device, powder weighing device is contained in frame, feature is: described powder weighing device includes stationary hopper, LOAD CELLS, sackholder, belt conveyor, cleaner unit, the inwall of stationary hopper is equipped with soft cloth bag, and the outside of the discharging opening of stationary hopper is provided with a circle rubber ferrule, and one end of LOAD CELLS is connected with frame, the other end is connected with sackholder, and the trachea of cleaner unit is connected with soft cloth bag.
Being connected to have between the charging aperture of stationary hopper and frame and be flexible coupling, the one end that is flexible coupling is fixed on the outer wall of stationary hopper, and the other end is fixed in frame.
The invention have the advantage that
This device substantially reduces the error caused due to sizing in packaging process, and not only precision is high, and dust have also been obtained preferably control, preferably resolves packing scale weighing precision and the problem of working site bad environments,
Accompanying drawing explanation
Fig. 1 is the structural representation of tradition powder weighing packing scale.
Fig. 2 is the structural representation of the present invention.
Fig. 3 is the left view of stationary hopper.
Fig. 4 is the top view of stationary hopper.
In accompanying drawing: 1, spiral feed opening；2, LOAD CELLS；3, stationary hopper；4, sackholder；5, packaging bag；6, belt conveyor；7, soft cloth bag；8, it is flexible coupling；9, cleaner unit；10, rubber ferrule.
Detailed description of the invention
The structural representation of the present invention is as shown in Figure 2, after packaging weighting display instrument sets the weight of single bag, material falls in the soft cloth bag 7 of lower section from finished product bin by spiral feed opening 1, and soft cloth bag 7 is attached on the inwall of stationary hopper 3, outlet and the entrance of soft cloth bag 7 are fixed on discharging opening and the charging aperture of stationary hopper 3.Soft cloth bag 7 has certain gap, on the support of stationary hopper 3 side fixed thereon with stationary hopper 3.In packaging process, cleaner unit 9 is felt the pulse by trachea timing and is rushed gases at high pressure and be blown into the gap of soft cloth bag 7 and stationary hopper 3, soft cloth bag 7 is made to produce strong shake, the powder being bonded at its inwall is made to entirely fall in packaging bag 5, and the powder in sackholder 4 and packaging bag 5 can be monitored by LOAD CELLS 2 in real time, when gravimetric value reaches setting value, spiral feed opening 1 stops charging, calculate through program, after removing the weight of sackholder 4, obtain the actual weight of packaging bag 5.Sackholder 4 unclamps, belt conveyor 6 by packaged material transferring to another location.
Being provided above being flexible coupling 8 in packaging bag 5, it makes whole packaging process be in an environment closed, and effectively reduces the excessive of dust.It is provided with at stationary hopper 3 gating location and is flexible coupling 8,8 one end that are flexible coupling are fixed on the outer wall of stationary hopper 3, the other end is fixed in frame, it is fixed on the material at frame with surrounding and forms the space that an approximation is closed, just as an opening bag is closed the outlet of stationary hopper 3 with packaging bag 5 entrance, so, a small amount of dust flown out at sackholder is put into this space, it is to avoid fly away toward other place further.
Having dust in blanking process intermediate package bag 5 and air overflows, the most soft cloth bag 7 can fall dust-filtering.Owing to soft cloth bag 7 is to be formed by weaving by crisscross fine rule, just as spun yarn net, dust is when packaging bag 5 bag mouth flies out the gap entered between soft cloth bag 7 and stationary hopper 3, the dust that granule is bigger would not pass soft cloth bag 7, but be bonded on its inwall, air containing smaller particle dust then can pass through this layer of soft cloth bag 7, cleaner unit 9 collect filtration treatment again.Air after filtration then can be processed by cleaner unit 9 collection by soft cloth bag 7.High voltage pulse gas can be produced in cleaner unit 9, in the space closed, the switching with air-breathing of blowing is realized by the commutation of the electromagnetic valve of cleaner unit 9, during toward gap air-breathing between stationary hopper 3 and soft cloth bag 7, soft cloth bag 7 can be compressed, during air blowing, soft cloth bag 7 can expand, when the most quickly blowing with air-breathing, soft cloth bag 7 will be made to shake, so that the powder being bonded at soft cloth bag 7 inwall falls.In packaging process, when the air containing smaller particle dust is by soft cloth bag 7, aspiratory action implemented by cleaner unit 9, and these gases containing dust are drawn into the inside of cleaner unit 9, again processes by physically or chemically changing realization.
Outside the discharging opening of stationary hopper 3 (as shown in Figure 3), being provided with a circle rubber ferrule 10, in packaging process, sackholder 4 can be tightly pressed against bag mouth in rubber ferrule 10, rubber ferrule 10 there is preferable elasticity, make the sealing property of packaging process be further improved.
Rubber ferrule 10 is connected with the bottom outer wall of stationary hopper 3, and rubber ferrule 10 is made for rubber.Rubber ferrule 10 is fixed on hopper and does not interferes with weighing result, because rubber ferrule 10 is fixed on stationary hopper 3, and stationary hopper 3 is fixed in frame, they will not be weighed by LOAD CELLS 2, and only weighs the material in sackholder 4 and packaging bag 5.
In practical operation, owing to sackholder 4 and rubber ferrule 10 accompany packaging bag 5, rubber ferrule 10 can provide pulling force upwards to packaging bag 5.The present invention can deduct this pulling force when practical operation.Therefore, the pulling force of rubber ferrule 10 does not interferes with the accuracy of weighing of meausring apparatus of the present invention.
The present invention has a following invention effect:
(1) by high voltage pulse gas, soft cloth bag 7 is shaken before packaging every time, make the powder of stick on top entirely fall in packaging bag 5, make to weigh every time all there is higher precision；
(2) LOAD CELLS 2 does not weigh soft cloth bag 7 and the weight of stationary hopper 3 being stained with powder, and only weighs sackholder 4 and the weight of packaging bag 5, has been inherently eliminated the sizing impact on weighing precision；
(3) being flexible coupling 8 and rubber ferrule 10 owing to being provided with in packaging process, dust will not be excessive, and site environment is good.
Embodiment described above is only to be described the preferred embodiment of the present invention; not design and protection domain to the present invention are defined; on the premise of without departing from design concept of the present invention; various modification that in this area, technical scheme is made by ordinary skill technical staff and improvement, all should fall into protection scope of the present invention.
Claims (2)
1. the packing scale of a band dedusting function, including frame and powder weighing device, powder weighing device is contained in frame, it is characterized in that: described powder weighing device includes stationary hopper (3), LOAD CELLS (2), sackholder (4), belt conveyor (6), cleaner unit (9), the inwall of stationary hopper (3) is equipped with soft cloth bag (7), the outside of the discharging opening of stationary hopper (3) is provided with a circle rubber ferrule (10), one end of LOAD CELLS (2) is connected with frame, the other end is connected with sackholder (4), the trachea of cleaner unit (9) is connected with soft cloth bag (7).
The packing scale of a kind of band dedusting function the most according to claim 1, it is characterized in that: being connected between charging aperture and the frame of described stationary hopper (3) has be flexible coupling (8), (8) one end that is flexible coupling is fixed on the outer wall of stationary hopper (3), and the other end is fixed in frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210579684.6A CN103010498B (en) | 2012-12-28 | 2012-12-28 | A kind of packing scale of band dedusting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210579684.6A CN103010498B (en) | 2012-12-28 | 2012-12-28 | A kind of packing scale of band dedusting function |
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| CN103010498A CN103010498A (en) | 2013-04-03 |
| CN103010498B true CN103010498B (en) | 2016-08-03 |
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| CN103332307A (en) * | 2013-07-09 | 2013-10-02 | 江苏绿天源系统工程有限公司 | Air exhausting and bag placing synchronous on-line device of packing scale and implement method |
| CN103879574A (en) * | 2014-04-06 | 2014-06-25 | 赵东顺 | Dust-free weighing device of packaging scale |
| CN103863592B (en) * | 2014-04-06 | 2016-03-23 | 赵东顺 | A kind of high-precision weighing device |
| CN105600194A (en) * | 2016-02-19 | 2016-05-25 | 郭玉 | Anti-bridging device of flour stock bin |
| CN107117336A (en) * | 2017-06-14 | 2017-09-01 | 浙江独尊新型建材有限公司 | The weight filling apparatus such as miberal powder |
| CN107719764A (en) * | 2017-11-20 | 2018-02-23 | 咸丰隆态生物科技有限公司 | A kind of biomass fertilizers sack-filling device |
| CN112278344B (en) * | 2020-09-30 | 2022-04-15 | 安徽金泰农药化工有限公司 | Protection device of discharging pipe for production of powdery pesticide |
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Address after: No.9, Changjiang 2nd Road, economic development zone, Shizhong District, Zaozhuang City, Shandong Province 277100 Patentee after: 3D Hanjie Machinery (Shandong) Co.,Ltd. Address before: 277100 North Ring Road, Qicun Industrial Park, Shizhong District, Zaozhuang City, Shandong Province Patentee before: ZAOZHUANG SUNWEIGH TECHNOLOGY Co.,Ltd. |