CN1952625B - Weight metering device with build-in load sensor - Google Patents
Weight metering device with build-in load sensor Download PDFInfo
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- CN1952625B CN1952625B CN200510116376XA CN200510116376A CN1952625B CN 1952625 B CN1952625 B CN 1952625B CN 200510116376X A CN200510116376X A CN 200510116376XA CN 200510116376 A CN200510116376 A CN 200510116376A CN 1952625 B CN1952625 B CN 1952625B
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- 230000005484 gravity Effects 0.000 claims description 12
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- 239000008187 granular material Substances 0.000 description 3
- 239000004482 other powder Substances 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000002596 correlated effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011343 solid material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
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- 239000007858 starting material Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
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- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
Abstract
A weight metering device built in with a load transducer which measures the weight of material stored in the storage box is disclosed, the storage box has the material intake. The material storage box includes a supporting rack which is combined with the material storage box only, the supporting arm which cuts through the box in non-contact condition and is fixed at the outside of the box, the load transducer is mounted between said supporting rack and said supporting arm to support the said supporting rack directly.
Description
Technical field
The present invention is relevant to have set up in the Weight metering device of discharger at the material container, desirable material (for example, powder and granular materials such as synthetic resin starting material) drop in the above-mentioned material container and when storing, the weight metering device with build-in load sensor that can correctly measure the weight of the above-mentioned material that drops into.
Background technology
As everyone knows, as the weight transducer that the weight of various materials (solid material, fluent material and powder and granular material etc.) is measured, common working load sensor.
It is existing that what have not only is stored in powder body materials such as tobacco leaf in the material container as the Weight metering device that uses this load cell, but also by its general assembly (TW) of metering, with the weight (for example, with reference to patent documentation 1) of measuring above-mentioned powder body material.
In addition, as the part of the mixing arrangement that has used weight sensor, the disclosure of the Invention that has the Weight metering device of the material container of suspention shape with material input port being supported with above-mentioned weight sensor (for example, with reference to patent documentation 2).
[patent documentation 1] spy opens 2000-46636 number
[patent documentation 2] spy opens flat 2-253835 number
Summary of the invention
The problem that needs solution
But there is following problem in these Weight metering devices.
At first, for metering is stored in the weight of the powder body material in the material container, there is so-called problem that can only batch processing in the former Weight metering device.
That is to say, after the weight that is stored in the powder body material in the material container measured, in order to carry out the weight metering of other powder body materials, need replace to the other materials container of having stored other powder body material to the above-mentioned material container after the metering, perhaps the above-mentioned material container after the metering is taken off from Weight metering device, the above-mentioned powder body material of storing is discharged, again to wherein dropping into other powder body material and weight being measured.
, this device exists at every turn when the weight of powder body material is measured, and needs above-mentioned time of cost and time, problem that simultaneously can not continuous measurement powder body material weight.
On the other hand, latter's Weight metering device, in the material container, owing to set up the discharge gate that the material of storing is discharged, so there are not the problems referred to above.
But, this Weight metering device, the material container is supported owing to being arranged on the outside suspender suspention in its top, so be to be the structure that fulcrum is supported with the outside away from the material container of material container center of gravity.
For this reason, the error when being easy to generate material container weight metering, the problem that existence can not be correctly measured the weight of the material of storing.
In addition, because above-mentioned suspender etc. are attached to the outside of material container,, be located at the problem that the load cell on the material container is damaged easily outward so when situations such as carrying Weight metering device, also exist owing to vibrate unexpectedly and impact.
The present invention is a purpose to solve this problem, near the center of gravity in the usefulness load cell support material container, so that the weight metering device with build-in load sensor that can correctly measure the weight that drops into material or discharge material to be provided.
Solve the means of problem
To achieve these goals, the present invention has adopted the means of following several parts.
The weight metering device with build-in load sensor that part 1 of the present invention is relevant, it is characterized in that, in the material container that possesses, has the material input port, and in the Weight metering device that the weight that is stored in the material in this material container is measured, to have the load that is located in the above-mentioned material container in order only combining and to hold frame with the above-mentioned material container, holding the supporting arm that runs through above-mentioned container under the non-contacting state of frame and be fixed in two outsides of this case and support with above-mentioned load, being provided in above-mentioned load holds between frame and the above-mentioned supporting arm and directly supports above-mentioned load to hold the load cell of frame.
In this device, supporting arm, in order not bear the load of Weight metering device, with the non-contacting state of above-mentioned Weight metering device under be fixed and be supported in the outside of Weight metering device, appropriate location at this supporting arm has set load cell, because what adopt is to be located at the structure that the load in the material container is held frame with this load cell support, the gross load of Weight metering device is applied on the interior load cell of material container.
Make this structure, owing to can be located at load cell on the nearer position of Weight metering device center of gravity, so can correctly measure with very high precision to the weight of the material that dropped into.
In addition, load cell is owing to be incorporated in the material container, so needn't worry to damage under the situation during carrying etc.
The weight metering device with build-in load sensor that part 2 of the present invention is relevant is characterized in that in part 1 of the present invention, the above-mentioned material container has been set up the discharger that the material that is stored in this material container is discharged.
In this device,, can discharge the material of being stored with discharger owing to set up the discharger that the material that is stored in this material container is discharged.In addition, the weight of the material that is dropped into, since irrelevant with the weight that is discharged from the device discharge, so all right corresponding batch processing mode or weightless compensation way is any, drops into continuously and discharge continuously, thereby improved operating efficiency.
The weight metering device with build-in load sensor of the present invention's the 3rd part correlation, in any one of part 1 of the present invention or part 2, above-mentioned load gripping arm is provided with the roof portion of tip shape in the upper end.
In this device, the load in the material container is held on the frame, owing to be provided with the roof portion of tip shape in the upper end, is overstocking when this load is held frame so can prevent the material that is dropped into.
For this reason, can more correctly measure the weight of the material that is dropped into.
The weight metering device with build-in load sensor of the present invention's the 4th part correlation, in any one of part 1 of the present invention～the 3rd part, above-mentioned load is held frame, be to carry out the perpendicular configuration body at interior Z-axis, wherein under the approximate center of this structure, set above-mentioned load cell with the center of gravity that comprises above-mentioned Weight metering device.
In this device, above-mentioned load is held frame, owing to be to carry out the perpendicular configuration body at interior Z-axis with the center of gravity that comprises above-mentioned Weight metering device, and under the approximate center of this structure, set above-mentioned load cell, formed yi word pattern, desirable shape such as cross so can hold frame to load.
The accompanying drawing simple declaration
Fig. 1 is the simple overall stereographic map of the part section state of weight metering device with build-in load sensor A one embodiment that is correlated with of expression the present invention.
Fig. 2 is a longitudinal diagram of seeing the state of Fig. 1 from the side.
Fig. 3 carries out the local simple sectional view that amplifies to Fig. 1, major part shown in Figure 2, and Fig. 3 (a) is the major part sectional view of the state seen with the equidirectional side of Fig. 2; Fig. 3 (b) is the major part sectional view of the state seen from the front.
Symbol description
The A weight metering device with build-in load sensor
The G center of gravity
The O Z-axis
The Z material
1 material container
11 material input ports
12 dischargers
2 loads are held frame
21 roof portions
3 load cells
4 supporting arms
Embodiment
Below, the present invention is described with reference to the accompanying drawings.
Fig. 1 is the simple overall stereographic map of the part section state of weight metering device with build-in load sensor A one embodiment that is correlated with of expression the present invention; Fig. 2 is a longitudinal diagram of seeing the state of Fig. 1 from the side; Fig. 3 carries out the local simple sectional view that amplifies to Fig. 1, major part shown in Figure 2, and Fig. 3 (a) is the major part sectional view of the state seen with the equidirectional side of Fig. 2, and Fig. 3 (b) is the major part sectional view of the state seen from the front.
This weight metering device with build-in load sensor A, towards below the upper end of the material container 1 that dwindles offered material input port 11, set up the discharger 12 that the material Z that is stored in the material container 1 is discharged in its lower end side simultaneously.
Here, material Z can be the material Z that can be discharged by discharger 12, for solid material, fluid material, fluent material etc. any also harmless, in the present embodiment, use is to comprise powder, plastochondria, small thin slice, staple fibre sheet etc. at interior resin powder and granular material.
In addition, discharger 12, though what use is to utilize the rotating screw sheet 12a with driving mechanism, the material Z that is stored in the material container 1 is discharged to this material container 1 device outward continuously, but also can be the discharger 12 beyond it, so long as can be discharged to the outer device of this material container 1, be to discharge continuously or quantitatively discharge all harmless being stored in material Z in the material container 1.
In addition, though be closed, wish as depicted in figs. 1 and 2 the lower end of material container 1, sets in advance discharger 12 maintenances and use or suitably discharge the cap to be opened/closed 13 that material Z uses.
In this material container 1, be provided with the load that only combines and hold frame 2 with this material container 1.
Specifically, form opening 14 on the relative sidewall of material container 1, the two ends of on this opening 14 load being held frame 2 are fixed with methods such as welding, thereby only combine with material container 1.
To hold frame 2 also can be sheet material to load, but in the present embodiment, by using downward opening C type channel-section steel material, thereby can improve its intensity.
In addition, in the upper end that load is held frame 2, shown in Fig. 1, Fig. 3 (a), be provided with the roof portion 21 of tip shape.By the roof portion of this tip shape is set, can prevent that the 11 material Z that drop into overstock in the upper end that load is held frame 2 from the material input port.
In addition, the load is here held frame 2, though run through an above-mentioned C type channel-section steel material in the material container 1 and be arranged to a word shape, when this material container 1 is big, then can also many loads for example arranged side by side holds frame 2 or do crosswise combination etc. with raising intensity.
No matter be that is a kind of just, load is held frame 2, preferably with respect to the center of gravity G that comprises weight metering device with build-in load sensor A at interior Z-axis O, for quadrature and be provided in structure on the horizontal direction, the load in being formed on this structure will set the load cell of narrating later 3 under holding the approximate center of frame 2.
Then, supporting arm 4, with the non-contacting state of weight metering device with build-in load sensor A, its two ends are fixed and are supported in the outside,
Specifically, supporting arm 4, hold frame 2 separated by a certain interval setting with load, can constitute by the parallel tabular body of rod or opening C type channel-section steel material same as described above up, this supporting arm 4 to run through the inside of material container 1 with the non-contacting state of case, keep the gap outstanding from opening 1414 separately, and the two ends of its teat are being fixed for surrounding on the frame member 5 that weight metering device with build-in load sensor A frame gets up with welding or method such as bolt, so just can with the non-contacting state of weight metering device with build-in load sensor A by the support that has nothing to do.
And, the ideal position of supporting arm 4 that should be irrelevant, specifically, on Z-axis O near weight metering device with build-in load sensor A center of gravity G, disposed the metering portion (not shown) of load cell 3, so can only support load to hold the approximate center of frame 2 with this load cell 3.In addition, load cell and load are held when producing the gap between frame 2 or the supporting arm 4, and the liner that this gap of landfill is used also can be set.
In this weight metering device with build-in load sensor A, supporting arm 4, in order directly not bear the load of weight metering device with build-in load sensor A, to be set up with the non-contacting state of weight metering device with build-in load sensor A, near the center of gravity G on this supporting arm 4, set load cell 3, only support load to hold frame 2 with this load cell 3.
That is to say, weight metering device with build-in load sensor A, because be the so-called half unsettled state that plays, so its gross load is only directly born by load cell 3, load cell 3 can measure the general assembly (TW) of weight metering device with build-in load sensor A.
The weight metering device with build-in load sensor A of Gou Chenging like this, the following action.
At first, before material Z was dropped in the material container 1,3 of load cells bore the load (not having material) of weight metering device with build-in load sensor A, and load at this moment is preset as weight 0 (zero).
Then, from material input port 11 material Z is dropped in the material container 1, the load of material Z in material container 1 that this is dropped into held frame 2 and fallen, and is stored in this material container 1.
For this reason, by the weight of the material Z that dropped into, owing to be added on the weight metering device with build-in load sensor A, so measure with the weight of 3 pairs of these additions of load cell, then the weight of the material Z that can be dropped into quilt is measured.
In addition, load cell 3, owing to be arranged near the Z-axis O of the center of gravity G of weight metering device with build-in load sensor A, so material Z that is dropped into, even in the left or right deviation that produces, weight metering device with build-in load sensor A, on one side also can keep left and right balance, Yi Bian carry out correct and high-precision metering.
On the other hand, after the material Z that is dropped into has stored right quantity,, then can discharge the material Z in the material container 1 continuously if drive discharger 12.
And, the weight of the material Z that is discharged from, owing to deduct,, then can measure the weight of the material Z that is discharged from so measure with 3 pairs of these weight of subtracting each other of load cell with above-mentioned opposite general assembly (TW) from weight metering device with build-in load sensor A.
Like this, the present invention, owing to not only can drop into and discharge continuously the material Z of desired weight continuously, and can correctly measure its weight, so can improve operating efficiency.
Utilize possibility on the industry
The present invention, the weight metering device with build-in load sensor as can be correctly the weight of the material that is put into or discharges being measured can be used effectively.
Claims (5)
1. a weight metering device with build-in load sensor is characterized in that, has the material input port in the material container that possesses, and in the Weight metering device that the weight that is stored in the material in this material container is measured, has,
A) load that is located in the above-mentioned material container in order only to combine with the above-mentioned material container is held frame,
B) holding the supporting arm that runs through above-mentioned container under the non-contacting state of frame and be fixed and support with above-mentioned load in two outsides of this case,
C) being provided in above-mentioned load holds between frame and the above-mentioned supporting arm and directly supports above-mentioned load to hold the load cell of frame.
2. weight metering device with build-in load sensor as claimed in claim 1 is characterized in that, the above-mentioned material container has been set up the discharger that the material that is stored in this material container is discharged.
3. weight metering device with build-in load sensor as claimed in claim 1 or 2 is characterized in that above-mentioned load is held frame, is provided with the roof portion of tip shape.
4. weight metering device with build-in load sensor as claimed in claim 1 or 2, above-mentioned load is held frame, be to carry out quadrature and be configured in the horizontal direction structure at interior Z-axis, wherein under the approximate center of this structure, set above-mentioned load cell with the center of gravity that comprises above-mentioned Weight metering device.
5. weight metering device with build-in load sensor as claimed in claim 3, above-mentioned load is held frame, be to carry out quadrature and be configured in the horizontal direction structure at interior Z-axis, wherein under the approximate center of this structure, set above-mentioned load cell with the center of gravity that comprises above-mentioned Weight metering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510116376XA CN1952625B (en) | 2005-10-21 | 2005-10-21 | Weight metering device with build-in load sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200510116376XA CN1952625B (en) | 2005-10-21 | 2005-10-21 | Weight metering device with build-in load sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1952625A CN1952625A (en) | 2007-04-25 |
| CN1952625B true CN1952625B (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200510116376XA Active CN1952625B (en) | 2005-10-21 | 2005-10-21 | Weight metering device with build-in load sensor |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202597U (en) * | 1986-04-15 | 1987-08-26 | 谭天佑 | Upright displacement impact type dectronic balance |
| US5753868A (en) * | 1993-04-15 | 1998-05-19 | Maschinenfabrik Gustav Eirich | Method and apparatus for gravimetric dosing and mixing of at least two components |
| US6472615B1 (en) * | 2000-09-08 | 2002-10-29 | Gustafson, Llc | Bulk flow measurement system |
-
2005
- 2005-10-21 CN CN200510116376XA patent/CN1952625B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86202597U (en) * | 1986-04-15 | 1987-08-26 | 谭天佑 | Upright displacement impact type dectronic balance |
| US5753868A (en) * | 1993-04-15 | 1998-05-19 | Maschinenfabrik Gustav Eirich | Method and apparatus for gravimetric dosing and mixing of at least two components |
| US6472615B1 (en) * | 2000-09-08 | 2002-10-29 | Gustafson, Llc | Bulk flow measurement system |
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| Publication number | Publication date |
|---|---|
| CN1952625A (en) | 2007-04-25 |
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