CN203638124U - High-speed quantitative packing balance - Google Patents
High-speed quantitative packing balance Download PDFInfo
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- CN203638124U CN203638124U CN201320754854.XU CN201320754854U CN203638124U CN 203638124 U CN203638124 U CN 203638124U CN 201320754854 U CN201320754854 U CN 201320754854U CN 203638124 U CN203638124 U CN 203638124U
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- feeding device
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- balance
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Abstract
The utility model relates to a packing balance, in particular to a high-speed quantitative packing balance which is characterized in that a large feeding device is separated from a small feeding device; the balance is composed of the set of large feeding device, the set of small feeding device, a material collector and a control unit; the large feeding device comprises a large feeding gate which is driven to open and close by a first motor, and a large feeding metering hopper equipped with a first weighing sensor; the small feeding device comprises a small feeding pipe adopting volumetric feeding and driven by a second motor to rotate and supplement material; the material collector comprises a collection hopper arranged below the large feeding device and the small feeding device; the control unit is used for connecting and controlling the first motor, the second motor, a first weighling sensor, the collection hopper, acquiring the weight value measured by the weighling sensor, and calculating material supplement capability value according to target weight value. The high-speed quantitative packing balance eliminates the error of parable number packing precision, caused by material segregation, meanwhile, the speed of a single-hopper balance is improved to about 30 package/minute by using a large feeding weighling and small feeding volume method, and the basic requirements of production line capacity are met.
Description
Technical field
The utility model relates to packing scale, particularly a kind of high-speed quantitative packing scale.
Background technology
By the packaging production line of grain number packing, the material unit weight obtaining according to sampling, is converted into target weight by target grain number, uses ration package scale to carry out packing.Consider 2 packing (pouch dress sack) speed of the speed of wrapping machine and follow-up workshop section, take 8000 (3kg left and right) corn seeds as example, General Requirements package speed 20 bags to 40 bags/point.
Existing ration package scale is fed to stable discharging from large reinforced, little, is all to complete in the weighing hopper with LOAD CELLS, and general 6 seconds to 10 seconds of process need, so monobucket ration package scale maximum speed is in 10 bags/point left and right.Therefore for meeting line capacity requirement, need to adopt multibuchet scale (4 buckets or 6 bucket scales).
The feeder process of multibuchet scale is such, and there is a storage bin top of each weighing hopper, and packaged material enters in storage bin by the inlet point on storage bin top, and the bottom of storage bin has a discharging opening to connect with the inlet point of weighing hopper.Material falls into storage bin from storage bin inlet point, and in the process falling at heap, particle size distribution produces segregation for the first time; In packaging process, the material of storage bin enters weighing hopper, and due to funneling effect, distribution of particles produces segregation for the second time.Twice segregation causes the material particles size in each weighing hopper uneven, and its difference size is relevant with storage bin planform, inlet point position and feed mode, and is not easy to control.Take corn seed as example, through repeatedly actual test, when between weighing hopper, weight is identical, grain is counted error 1% to 2%.Take 6000 as example, between the each weighing hopper of synchronization multibuchet scale, every bag of grain number can differ 60 to 120.Even if online sampling unit grain is resurveyed accurately again, final packing every bag of average particle number is out still 6100 left and right.Many to 100 left and right.
In sum, the problem of prior art is, must use multibuchet scale, and the segregation of multibuchet scale has brought the error of target grain number in order to meet the requirements of speed.
Utility model content
The purpose of this utility model is to provide a kind of high-speed quantitative packing scale, mainly solve the existing problem of above-mentioned prior art, what its used that monobucket scale solved that material segregation causes counts the error of packing precision by grain, using feeds in raw material greatly simultaneously weighs, the method for little reinforced volume, make the speed of monobucket scale bring up to 30 bags/point left and right, met the basic demand of line capacity.
For achieving the above object, the utility model is to realize like this.
A kind of high-speed quantitative packing scale, is characterized in that: will feed in raw material greatly and little reinforced separating, it is made up of a set of large feeding device, a set of little feeding device, material collecting device and control unit; Wherein: this large feeding device comprises by the large reinforced gate of the first motor driven opening/closing, the large reinforced weighing hopper of the first LOAD CELLS is installed; This little feeding device comprises the little reinforced pipe by the second motor driving rotation feed supplement that adopts volumetry reinforced; This material collecting device comprises the set bucket that is arranged on large feeding device and little feeding device below; This control unit is used for connecting controls the first motor, the second motor, the first LOAD CELLS, set bucket, obtains the gravimetric value that LOAD CELLS records, and calculates feed supplement value according to target weight value.
Described high-speed quantitative packing scale, is characterized in that: the using method of this high-speed quantitative packing scale is:
Large reinforced gate is driven by the first motor, according to the product weight of putting in large reinforced weighing hopper, controls the angle that large reinforced gate is opened, and realizes high-precision input of short time; Large feeding quantity is measured and is obtained by the first LOAD CELLS;
Little reinforced pipe is driven by the second motor, adopts volumetry reinforced, is the value that target weight value deducts large feeding quantity according to each feed supplement amount, determines that little reinforced pipe rotates how many angles to carry out feed supplement;
Large feed in raw material and stablize after, reinforced greatly weighing hopper struggles against discharge of materials to set in, the gate that then feeds in raw material greatly starts the process that next time feeds intake greatly immediately; When large reinforced weighing hopper starts blowing, little reinforced pipe is directly put into feed supplement in set bucket.
Compared with prior art, because the utility model device only has a charge door, do not have the material segregation between bucket and bucket, every bag of average grain numbers of giving can greatly reduce more on existing basis; Due to little reinforced employing volumetry and be furnished with set bucket, whole metering cycle depends on large charging rate.The large reinforced servomotor control that adopts in the utility model, charging rate is fast and steadily, reproducible precision is high.A metering cycle can be controlled within 2 seconds.Maximum speed can reach 30 bags/point.Substantially meet line capacity requirement; Due to each little reinforced magnitude of recruitment seldom and substantially in a very little scope, change, although little reinforced employing volumetry, overall measuring accuracy decline is limited.The relatively deviation of 100 left and right with multibuchet hopper and between struggling against, measuring accuracy error is negligible.The precision of counting packing by grain significantly improves.In addition, with respect to multibuchet scale, monobucket scale is simple in structure, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model one preferred embodiment.
In figure: the reinforced greatly gate of 1-; 2-the first LOAD CELLS; The reinforced greatly weighing hopper of 3-; The little reinforced pipe of 4-; 5-gathers bucket.
The specific embodiment
Refer to Fig. 1, it is the structural representation of a kind of high-speed quantitative packing scale one preferred embodiment of the utility model.As shown in the figure: it is made up of a set of large feeding device, a set of little feeding device, material collecting device and control unit.Wherein: this large feeding device comprises by the large reinforced gate 1 of the first motor driven opening/closing, the large reinforced weighing hopper 3 of the first LOAD CELLS 2 is installed; This little feeding device comprises the little reinforced pipe 4 by the second motor driving rotation feed supplement that adopts volumetry reinforced; This material collecting device comprises the set bucket 5 that is arranged on large feeding device and little feeding device below; This control unit is used for connecting controls the first motor, the second motor, the first LOAD CELLS 2, set bucket 5, obtains the gravimetric value that LOAD CELLS records and calculates feed supplement value according to target weight value.
In the present embodiment, the switching angle of reinforced greatly gate, by driven by servomotor, realizes electrodeless control; Also can adopt air cylinder driven; In the present embodiment, pipe of little reinforced employing, by the drive and control of electric machine anglec of rotation, carries out positive displacement and feeds in raw material; In order to improve little reinforced feed supplement precision, also can adopt many pipes simultaneously or part feed supplement, can complete in a short period of time reinforcedly, can improve again charging precision, improve by reducing velocity of rotation the accuracy that produces material; According to material difference, also can adopt the volume feed supplement of alternate manner.Such as pressing the vibration feed supplement of certain hour; By the spiral feed supplement rotating to an angle.
The described little reinforced pipe 4 by the second motor driving rotation feed supplement is technology known in the art, and its structure and effect are disclosed in Japanese Patent Publication (Unexamined Patent 8-226845), therefore repeat no more.
The using method of this high-speed quantitative packing scale is:
Large reinforced gate 1 is driven by the first motor, according to the product weight of putting in large reinforced weighing hopper 3, controls the angle that large reinforced gate 1 is opened, and realizes high-precision input of short time; Large feeding quantity is measured acquisition by the first LOAD CELLS 2;
Little reinforced pipe 4 is driven by the second motor, adopts volumetry reinforced, is the value that target weight value deducts large feeding quantity according to each feed supplement amount, determines that little reinforced pipe 4 rotates how many angles to carry out feed supplement;
Large feed in raw material and stablize after, reinforced greatly weighing hopper 3 struggles against discharge of materials in 5 to set, the gate 1 that then feeds in raw material greatly starts the process that next time feeds intake greatly immediately; When large reinforced weighing hopper 3 starts blowing, little reinforced pipe 4 is directly put into feed supplement in set bucket 5.
By using said structure, we find, such scheme proposes can replace multibuchet scale of the prior art with monobucket scale, all materials of discharging from the discharging opening of storage bin bottom enter a unique charge door of packing scale, and elimination material particles skewness causes the segregation of material between hopper.Through test, the monobucket scale in said mechanism is with four bucket scales of the prior art under same top magazine feed condition, and final packing every bag of average particle number is out 6050 left and right, and grain number error can reduce 50%.
As mentioned above, just can realize the basic utility model object of the utility model by said structure.
Be only preferred embodiment of the present utility model in sum, be not used for limiting practical range of the present utility model.Be that all equivalences of doing according to the content of the utility model claim change and modify, all should be technology category of the present utility model.
Claims (1)
1. a high-speed quantitative packing scale, is characterized in that: will feed in raw material greatly and little reinforced separating, it is made up of a set of large feeding device, a set of little feeding device, material collecting device and control unit; Wherein: this large feeding device comprises by the large reinforced gate (1) of the first motor driven opening/closing, the large reinforced weighing hopper (3) of the first LOAD CELLS (2) is installed; This little feeding device comprises the little reinforced pipe (4) that is driven rotation feed supplement by the second motor; This material collecting device comprises the set bucket (5) that is arranged on large feeding device and little feeding device below; This control unit is used for connecting controls the first motor, the second motor, the first LOAD CELLS (2), set bucket (5), obtains the gravimetric value that LOAD CELLS records, and calculates feed supplement value according to target weight value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754854.XU CN203638124U (en) | 2013-11-26 | 2013-11-26 | High-speed quantitative packing balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320754854.XU CN203638124U (en) | 2013-11-26 | 2013-11-26 | High-speed quantitative packing balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203638124U true CN203638124U (en) | 2014-06-11 |
Family
ID=50869391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320754854.XU Expired - Fee Related CN203638124U (en) | 2013-11-26 | 2013-11-26 | High-speed quantitative packing balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203638124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587737A (en) * | 2013-11-26 | 2014-02-19 | 上海大和衡器有限公司 | High-speed rationed packing scale |
-
2013
- 2013-11-26 CN CN201320754854.XU patent/CN203638124U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587737A (en) * | 2013-11-26 | 2014-02-19 | 上海大和衡器有限公司 | High-speed rationed packing scale |
| CN103587737B (en) * | 2013-11-26 | 2015-11-18 | 上海大和衡器有限公司 | A kind of high-speed quantitative packing scale |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20201126 |