CN104843208A - Material weighing device and method - Google Patents
Material weighing device and method Download PDFInfo
- Publication number
- CN104843208A CN104843208A CN201510168339.7A CN201510168339A CN104843208A CN 104843208 A CN104843208 A CN 104843208A CN 201510168339 A CN201510168339 A CN 201510168339A CN 104843208 A CN104843208 A CN 104843208A
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- Prior art keywords
- scale hooper
- button bucket
- weighing
- bucket
- button
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
- B65B1/30—Devices or methods for controlling or determining the quantity or quality or the material fed or filled
- B65B1/32—Devices or methods for controlling or determining the quantity or quality or the material fed or filled by weighing
Abstract
The invention discloses a material weighing device. The material weighing device comprises a rack. A hopper, a weighing hopper, a feeding mechanism and a feeding bin are arranged on the rack. A discharging mechanism is arranged in the weighing hopper and comprises taking-out hoppers and a discharging mechanism body. The multiple taking-out hoppers are different in size and are arranged on tracks with which materials on the feeding mechanism fall on the weighing hopper. The discharging mechanism body controls the materials in the taking-out hoppers to fall into the weighing hopper. According to the material weighing device and a material weighing method, a taking-out method is adopted, and the accurate materials are finally discharged; when the whole device runs, as a low-speed feeding link is removed, the weighing time is greatly saved, and the packaging efficiency is improved; although a discharging device is designed and a part of cost is increased, the material weighing accuracy is greatly improved, the automation degree is high, the indexes of the whole industry are increased, and the large market value is achieved.
Description
Technical field
The present invention relates to a kind of package packing machine field, more specifically relate to a kind of material weighing device and weighing technique.
Background technology
The weighing technique of current chemical industry, feed, food service industry is realized by ration package scale.After ration package scale enters automatic running state, Weighting and Controlling System is opened feeding gate and is started feed, feed is divided into quick feed and feed two kinds at a slow speed, first, after fast feed reaches a setting value, quick feed is stopped to start feed at a slow speed, when weight of material reaches ultimate aim value, close feeding gate and complete weighing process, lower mask body describes in detail with an embodiment, to weigh the material of 25KG, with reference to accompanying drawing 5.
First, make the weight of material reach 24.5KG by quick feeding, stop quick feeding afterwards, start to be transformed into charging at a slow speed, at a slow speed charging be by material with one very slowness speed be delivered in scale hooper, when weight of material reaches expected value 25KG, close feeding gate, complete weighing process, but, under normal circumstances, close to after feeding gate, the weight of material is all be greater than 25KG substantially.
Reason is as follows: this weighing technique measures current weight of material by LOAD CELLS, and after reaching expected value, LOAD CELLS provides signal notice pay-off and stops feeding.The drawback of this method is when the weight of material value of LOAD CELLS measurement reaches ultimate aim value, provides signal notice feed system and stops feed.Stop during this period of time, having material to flow in scale hooper successively when signal is sent to feed system, secondly LOAD CELLS only measures the weight of material of all hopper of dropping, because be continuous-feeding the moment stopped in hopper material be expected value but unsettled material some sent feed system but do not reached and claimed the inside (being in vacant state), these materials finally can drop in scale hooper, therefore final weighing there will be deviation, and precision can be influenced.
In addition, traditional weighing technique due to the speed of charging at a slow speed very low, therefore the time of feed is partially long, causes waste of time, affects the efficiency of whole packaging.
Summary of the invention
The object of the present invention is to provide a kind of weighing precision is high, weighing efficiency is high material weighing device and weighing technique.
For solving the problems of the technologies described above, the invention provides a kind of material weighing device, comprising frame, described frame is provided with:
Hopper, stores material, can be provided with discharge port bottom it;
Scale hooper, is provided with LOAD CELLS in it, is weighed by the material fallen in bucket;
Feeder, the mass transport exported by hopper loading and unloading material mouth is to scale hooper;
Feeding storehouse, by the material blanking in scale hooper;
Discharge mechanism is provided with in described scale hooper, described discharge mechanism comprises button bucket and shedding mechanism, described button bucket is for multiple and not of uniform size, and the described button bucket material arranged on feeder drops on the track of scale hooper, and described shedding mechanism controls the interior material of button bucket and drops down onto in scale hooper.
For the delivery rate of improving material, the present invention improves to be had, and described charging gear is belt driver.
The present invention improves to be had, and described shedding mechanism comprises motor and bracing frame, and described button bucket is rotating to be arranged on bracing frame, and described electric machine control button bucket rotates.
The present invention improves to be had, and described button bucket bottom is removable cover, and shedding mechanism comprises discharging cylinder and bracing frame, and described button bucket is fixed on bracing frame, and discharging cylinder controls the opening and closing of removable cover.
For realizing effective control of whole device, and save the period, the present invention improves to be had, and described frame is also provided with the arithmetical organ controlled frame Shang Ge mechanism, described arithmetical organ is PLC or micro controller system.
The present invention further provides a kind of weighing technique, comprise the following steps:
Step 1, material to be delivered to fast above scale hooper and to fall in scale hooper.
Step 2, button bucket are set to material and fall on the track of scale hooper, fall in the process of scale hooper at material, button bucket is filled up by material, in the real-time symmetrical batch box of inductor of weighing and buckle the weight of material in struggling against and detect, when numerical value arrives expected value, stop feed;
Final weight in scale hooper shows and passes to arithmetical organ by step 3, LOAD CELLS, and final weight is divided into expected value and exceeds value by arithmetical organ.
Step 4, arithmetical organ control not carry out discharging with the button bucket exceeding value equivalent weight material with loading, and the hopper that the unclassified stores in scale hooper carries out discharging or not participates in weighing next time.
The present invention improves to be had, and the discharge method of button bucket is: electric machine control button bucket rotates around center of gravity, and by material removal in the process rotated.
The present invention improves to be had, and the discharge method of button bucket is: button bucket bottom is removable cover, and discharging cylinder controls folding and the closedown of removable cover.
Beneficial effect of the present invention is: material weighing device of the present invention and weighing technique, employing deduction method also final discharging goes out accurate material, whole device operationally owing to eliminating the link of low speed feed, saves the weighing time greatly, improves the efficiency of packaging, although devise discharging device to add a part of cost, but greatly improve the precision of material weighing, degree of automation is high, improve the index of whole industry, there is very large marketable value.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of material weighing device of the present invention;
Accompanying drawing 2 is the structural representation of the scale hooper of material weighing device of the present invention;
Accompanying drawing 3 is the A-A cutaway view of material weighing device of the present invention;
Accompanying drawing 4 is the diagram of circuit of weighing technique of the present invention;
Accompanying drawing 5 is the diagram of circuit of traditional weighing invention;
Accompanying drawing 6 is the diagram of circuit of the specific embodiment of weighing technique of the present invention.
Label declaration: 1-frame; 2-hopper; 3-scale hooper; 4-feeder; 5-feeding storehouse; 6-detains bucket; 7-rotary electric machine; 8-weighs inductor.
Detailed description of the invention
By describing technology contents of the present invention, structural attitude in detail, realized object and effect, accompanying drawing is coordinated to be explained in detail below in conjunction with embodiment.
With reference to accompanying drawing 1 to accompanying drawing 3, the invention provides a kind of material weighing device, comprise frame 1, described frame 1 is provided with:
Hopper 2, stores material, can be provided with discharge port bottom it;
Scale hooper 3, is provided with LOAD CELLS 8 in it, weighed by the material fallen in bucket;
Feeder 4, the mass transport exported by hopper 2 loading and unloading material mouth is to scale hooper 3;
Feeding storehouse 5, by the material blanking in scale hooper 3;
Discharge mechanism is provided with in described scale hooper 3, described discharge mechanism comprises button bucket 6 and shedding mechanism, described button bucket 6 is multiple and not of uniform size, described button bucket 6 material arranged on feeder 4 drops on the track of scale hooper 3, and described shedding mechanism controls material in button bucket 6 and drops down onto in scale hooper 3.
After the discharge port of hopper 2 is opened, material falls to feeder 4 from discharge port, feeder 4 brings into operation, by mass transport to scale hooper 3, in the present embodiment, with reference to accompanying drawing 1, described charging gear is belt driver, concrete, belt driver comprises driving wheel, flower wheel and belt conveyor, belt conveyor is crossed between driving wheel and flower wheel, material drops on belt conveyor, the surface of belt conveyor is frosting, increase the friction force with material, make to drive material fully in belt conveyor, in the process that driving wheel rotates, by belt conveyor, material is delivered to above scale hooper 3, and drop in scale hooper 3, turning to and rotating speed control by driving wheel, realize the quantitative timing conveying of material.
In other embodiments, described feeder 4 is cagem type feeder, can realize quantitative convey materials equally, does not do the concrete structure of concrete restriction feeder 4 in the present embodiment, as long as the quantitative convey materials of energy is to scale hooper 3.
Feeding storehouse 5 is arranged on below scale hooper 3, and control the material blanking in scale hooper 3, concrete, the below of scale hooper 3 is provided with opening, and the door of feeding storehouse 5 seals described opening, and after door is opened, the material in scale hooper 3 drops down luggage bag of going forward side by side.
Discharge mechanism is arranged in scale hooper 3, and is arranged on the top of feeding storehouse 5, and when material falls in the process of scale hooper 3, material can, first through button bucket 6, therefore, when material falls to scale hooper 3, button bucket 6 be a full bucket material.
The effect of shedding mechanism is on scale hooper 3 by the material discharging on button bucket 6, various ways specifically can be adopted to realize, the present invention lists two kinds of enforceable embodiments, in one embodiment, with reference to accompanying drawing 1 to accompanying drawing 3, described shedding mechanism comprises rotary electric machine 7 and bracing frame, described button bucket 6 is rotating to be arranged on bracing frame, rotary electric machine 7 controls button bucket 6 and rotates, when rotary electric machine 7 runs, button bucket 6 rotates around the hinge-point with bracing frame, at this moment just the material in button bucket can be carried out discharging, such as, when button bucket 6 rotates 180 degree, button bucket 6 is opening down, material in button bucket falls on scale hooper 3 due to Action of Gravity Field.
In another embodiment, be removable cover bottom described button bucket 6, shedding mechanism comprises discharging cylinder and bracing frame, and described button bucket 6 is fixed on bracing frame, and discharging cylinder controls the opening and closing of removable cover, concrete, be provided with guide rail bottom button bucket 6, removable cover can at slide on rails, when discharging cylinder operates, the crank motion of piston rod converts the crank motion of removable cover to, achieves the discharging of material in button bucket 6.
Shedding mechanism is not limited to this two kinds of embodiments, and what the present invention protected is that do not limit to and concrete shedding mechanism, other shedding mechanisms are also protection scope of the present invention by the method for the material discharging in button bucket 6.
The quantity of button bucket 6 is provided with multiple, and the size of button bucket 6 also can be customized to different model, (above-mentioned 1KG and 2KG refers to that material can stay the weight of material detained in bucket 6 after flowing through button bucket 6 for the button bucket 6 of such as 1KG, the button bucket 6 of 2KG etc., do not refer to the volume that button bucket 6 inside face surrounds), the quantity of button bucket 6 requires to control according to Accuracy of Packaging, if precision needs to reach about 1g, that button bucket 6 is arranged to the capacity of 1g and below 1g, and number needs will be arranged a lot.
When LOAD CELLS 8 weighs the weight of whole scale hooper 3, the weight of material in hopper 2 is shown together.
In the present embodiment, described frame 1 is also provided with the arithmetical organ that frame 1 Shang Ge mechanism is controlled, described arithmetical organ is PLC or micro controller system, adopt these two kinds of arithmetical organs that the time of calculating is shortened greatly, general at Millisecond, substantially negligible, greatly increase the accuracy rate of discharging.
Material weighing device carrying out practically process of the present invention is as follows: before operation, and frame 1 Nei Ge mechanism is carried out return by arithmetical organ, the start numbers zero of LOAD CELLS 8, and step is as follows afterwards, with reference to accompanying drawing 4.
Step 1, feeder 4 start to start, and the discharge port of hopper 2 is opened, and material falls to feeder 4 from discharge port, and feeder 4 will fall in scale hooper 3 above mass transport to scale hooper 3.
Step 2, button bucket 6 material arranged on feeder 4 drops on the track of scale hooper 3, therefore, fall in the process of scale hooper 3 at material, button bucket 6 is filled up by material, and the weight of material in the real-time symmetrical batch box 3 of inductor of weighing detects, after the numerical value of reality arrives expected value, weigh inductor by signal transmission to arithmetical organ, and arithmetical organ controls feeder 4 and stops feed (material unsettled during stopping successively drop in scale hooper 3).
After step 3, feeder 4 stop, the final weight in scale hooper 3 shows and passes to arithmetical organ by LOAD CELLS 8, and final weight is divided into expected value and exceeds value by arithmetical organ.
Step 4, arithmetical organ control not carry out discharging with the button bucket 6 exceeding value equivalent weight material with loading, and feeding storehouse 5 and other button buckets 6 carry out discharging, and just in time discharging goes out the material with expected value equivalent weight, and the hopper 2 of not discharging participates in weighing next time.
The present invention describes technical scheme of the present invention in detail with a specific embodiment, with reference to accompanying drawing 6, to weigh 25KG material.
First feeder 4 starts to start, material in hopper 2 is carried out quick feed, after the weight detected in scale hooper 3 when inductor of weighing reaches 25KG, feeder 4 decommissions, but, in the process stopped, some materials are had again to fall in scale hooper 3, final weight of material is made to be 25.52KG, the weight of 25.52KG is divided into that expected value 25KG+0.52KG's exceed value by arithmetical organ, at this moment the button bucket 6 that 0.52KG material is loaded in arithmetical organ (as PLC) control does not carry out discharging (certainly, above-mentioned 0.52KG can be the button bucket 6 of 0.5KG+0.02KG, or the button bucket 6 etc. of 0.25KG+0.25KG+0.02KG, the present invention does not do concrete restriction), by the material discharging of other 25KG, obtain the material weighing of final accuracy rate 0.01, and save the time weighed, achieve accurate fast weighing.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification sheets of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a material weighing device, is characterized in that, comprises frame, and described frame is provided with:
Hopper, stores material, can be provided with discharge port bottom it;
Scale hooper, is provided with LOAD CELLS in it, is weighed by the material fallen in bucket;
Feeder, the mass transport exported by hopper loading and unloading material mouth is to scale hooper;
Feeding storehouse, by the material blanking in scale hooper;
Discharge mechanism is provided with in described scale hooper, described discharge mechanism comprises button bucket and shedding mechanism, described button bucket is for multiple and not of uniform size, and the described button bucket material arranged on feeder drops on the track of scale hooper, and described shedding mechanism controls the interior material of button bucket and drops down onto in scale hooper.
2. material weighing device according to claim 1, is characterized in that, described charging gear is belt driver.
3. material weighing device according to claim 1, is characterized in that, described shedding mechanism comprises motor and bracing frame, and described button bucket is rotating to be arranged on bracing frame, and described electric machine control button bucket rotates.
4. material weighing device according to claim 1, is characterized in that, described button bucket bottom is removable cover, and shedding mechanism comprises discharging cylinder and bracing frame, and described button bucket is fixed on bracing frame, and discharging cylinder controls the opening and closing of removable cover.
5. material weighing device according to claim 1, is characterized in that, described frame is also provided with the arithmetical organ controlled frame Shang Ge mechanism, and described arithmetical organ is PLC or micro controller system.
6. a weighing technique, is characterized in that, comprises the following steps:
Step 1, material to be delivered to fast above scale hooper and to fall in scale hooper;
Step 2, button bucket are set to material and fall on the track of scale hooper, fall in the process of scale hooper at material, button bucket is filled up by material, in the real-time symmetrical batch box of inductor of weighing and buckle the weight of material in struggling against and detect, when numerical value arrives expected value, stop feed;
Final weight in scale hooper shows and passes to arithmetical organ by step 3, LOAD CELLS, and final weight is divided into expected value and exceeds value by arithmetical organ;
Step 4, arithmetical organ control not carry out discharging with the button bucket exceeding value equivalent weight material with loading, and the hopper that the unclassified stores in scale hooper carries out discharging or not participates in weighing next time.
7. weighing technique according to claim 1, is characterized in that, the discharge method of button bucket is: electric machine control button bucket rotates around center of gravity, and by material removal in the process rotated.
8. weighing technique according to claim 1, is characterized in that, the discharge method of button bucket is: button bucket bottom is removable cover, and discharging cylinder controls folding and the closedown of removable cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168339.7A CN104843208A (en) | 2015-04-11 | 2015-04-11 | Material weighing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510168339.7A CN104843208A (en) | 2015-04-11 | 2015-04-11 | Material weighing device and method |
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| Publication Number | Publication Date |
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| CN104843208A true CN104843208A (en) | 2015-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510168339.7A Pending CN104843208A (en) | 2015-04-11 | 2015-04-11 | Material weighing device and method |
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| CN (1) | CN104843208A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283913A (en) * | 2017-07-22 | 2017-10-24 | 泰安市泰山九鼎称重系统设备有限公司 | Mould Integral producing apparatus and its method of work are weighed and thrown to quantitative powder |
| CN112606216A (en) * | 2020-12-09 | 2021-04-06 | 厦门天润锦龙建材有限公司 | Discharging device |
| CN113561330A (en) * | 2021-07-19 | 2021-10-29 | 三一汽车制造有限公司 | Quantitative batching method and device and stirring station |
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| CN1451950A (en) * | 2002-04-16 | 2003-10-29 | 大和制衡株式会社 | Powder metering device and method |
| EP1715309A1 (en) * | 2005-04-19 | 2006-10-25 | Librawerk Maschinenfabrik GmbH | Hopper balance |
| CN202018323U (en) * | 2011-03-19 | 2011-10-26 | 汕头市高雄海包装机械有限公司 | Weight measuring scale |
| CN102910302A (en) * | 2012-09-24 | 2013-02-06 | 安徽永成电子机械技术有限公司 | Belt conveying feeding electronic ration package scale |
| CN204623876U (en) * | 2015-04-11 | 2015-09-09 | 李宝建 | Material weighing device |
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2015
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4421185A (en) * | 1980-09-09 | 1983-12-20 | Kabushiki Kaisha Ishida Koki Saisakusho | Combinatorial weighing system |
| CN1451950A (en) * | 2002-04-16 | 2003-10-29 | 大和制衡株式会社 | Powder metering device and method |
| EP1715309A1 (en) * | 2005-04-19 | 2006-10-25 | Librawerk Maschinenfabrik GmbH | Hopper balance |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107283913A (en) * | 2017-07-22 | 2017-10-24 | 泰安市泰山九鼎称重系统设备有限公司 | Mould Integral producing apparatus and its method of work are weighed and thrown to quantitative powder |
| CN107283913B (en) * | 2017-07-22 | 2023-09-29 | 泰安市泰山九鼎称重系统设备有限公司 | Powder quantitative weighing and casting integrated production equipment and working method thereof |
| CN112606216A (en) * | 2020-12-09 | 2021-04-06 | 厦门天润锦龙建材有限公司 | Discharging device |
| CN113561330A (en) * | 2021-07-19 | 2021-10-29 | 三一汽车制造有限公司 | Quantitative batching method and device and stirring station |
| CN113561330B (en) * | 2021-07-19 | 2023-02-28 | 三一汽车制造有限公司 | Quantitative batching method and device and mixing station |
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Application publication date: 20150819 |