CN202729111U - High-precision constant feeder - Google Patents
High-precision constant feeder Download PDFInfo
- Publication number
- CN202729111U CN202729111U CN 201220338826 CN201220338826U CN202729111U CN 202729111 U CN202729111 U CN 202729111U CN 201220338826 CN201220338826 CN 201220338826 CN 201220338826 U CN201220338826 U CN 201220338826U CN 202729111 U CN202729111 U CN 202729111U
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- conveying belt
- load cells
- support
- weighing
- bearing plate
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Abstract
The utility model discloses a high-precision constant feeder which comprises an annular material conveying belt mounted on a bracket and supported by driving rolls and support rolls for rotation, wherein the driving rolls are driven by a motor mounted on the bracket; two weighing sensors matched with the material conveying belt are mounted on the bracket; support plates, which extend horizontally and are matched with the weighing sensors in a pressing manner, are fixed on the bracket; support frames are mounted on the support plates; at least two weighing rolls matched with the upper layer of the material conveying belt in a rolling manner are mounted on the support frames in parallel; gaskets elastically pressed together with bottom surfaces of the support plates are fixedly arranged at the induction ends of the weighing sensors; the weighing sensors are positioned on the bracket on both sides of the material conveying belt respectively; and the three weighing rolls are mounted between the weighing sensors through the support frames above the weighing sensors. The high-precision constant feeder is reasonable in structure, high in measuring accuracy, low in cost, and suitable for various high-precision constant feeding occasions.
Description
Technical field
The utility model relates to a kind of high-precision quantitative feeder.
Background technology
Constant feeder is the special equipment that powder material is carried out quantitative feed, generally uses more in the industries such as building, fertilizer, medicine.Traditional constant feeder generally comprises rack-mount annular material-conveying belt by driven roller and backing roll support rotating, and driven roller also is equipped with LOAD CELLS by rack-mount motor-driven on the support.The principle of work of tradition constant feeder is that under the rotational support of backing roll, motor drives material-conveying belt by driven roller and rotates; When powder material was transported on the material-conveying belt, material will be by material-conveying belt to the LOAD CELLS application of force, and LOAD CELLS just can detect the weight difference of material-conveying belt conveying front and back like this, thereby the weight signal of alleged material is sent out.
The tradition constant feeder is simple in structure, can realize the quantitative feed work of powder material, is widely used in every profession and trade.The tradition constant feeder often can run into the front order mechanism of constant feeder in the course of the work to the unsettled situation of constant feeder feeding, i.e. how for a moment feeding is few in for a moment feeding.At this moment, the material-conveying belt of constant feeder in rotation process, will with send into material what and up and down fluctuation is very not steady, so cause LOAD CELLS to the inaccuracy of material metering easily, also just lost the meaning of dosing.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of rational in infrastructure for above-mentioned deficiency, and measuring accuracy is high, and high-precision quantitative feeder with low cost.
For solving the problems of the technologies described above, this high-precision quantitative feeder comprises rack-mount annular material-conveying belt by driven roller and backing roll support rotating, driven roller is by rack-mount motor-driven, the LOAD CELLS that cooperates with material-conveying belt also is installed on the support, its constructional feature is: be installed with on the support horizontal-extending and with the stay bearing plate of LOAD CELLS by force fit, bracing frame is installed on the stay bearing plate, parallel on the bracing frame at least two rollers of weighing that roll and to cooperate with the material-conveying belt upper strata is installed.
The high-precision quantitative feeder of this structure is to realize that by the multiple roll elastic support structure measuring accuracy is high, and with low cost.
The multiple roll elastic support structure comprises the stay bearing plate that is arranged on the LOAD CELLS top, stay bearing plate and LOAD CELLS are pressed force fit, so when stay bearing plate is subjected to the weight Action of Gravity Field, LOAD CELLS just can detect the size of this weight gravity, has also just played weight action of gravitation on the stay bearing plate of weighing.Stay bearing plate one end and support are fixed together, and the stay bearing plate horizontal-extending, so stay bearing plate when being subject to the Action of Gravity Field of weight downward distortion will occur, help LOAD CELLS to detect delicately this external power signal.Bracing frame is installed on the stay bearing plate, and the bracing frame upper support is equipped with the roller of weighing that rolls and cooperate with material-conveying belt.When material-conveying belt transmitted material, the weight of material will be by the roller of weighing, bracing frame and stay bearing plate to the LOAD CELLS application of force, and like this, LOAD CELLS can calculate the weight of material by the contrast of the weight before and after the material of weighing.The roller quantity of weighing of installing on the bracing frame is at least two, can support material-conveying belt in more Support Position like this, stationarity when not only having improved the material-conveying belt conveying but also the LOAD CELLS that increased are born the area of thrust surface of material-conveying belt application force, the measuring accuracy when helping to improve LOAD CELLS and weighing material.
As improvement, the induction end of LOAD CELLS is installed with the pad that is pressed together with stay bearing plate bottom surface elasticity.
Set firmly the pad of pressing with stay bearing plate elasticity in LOAD CELLS; can transmit or respond to by pad the weight of material; not only do not affect the metering of material, but also can avoid material by the direct compressing of stay bearing plate to LOAD CELLS, help to protect LOAD CELLS.
As further improvement, the quantity of LOAD CELLS is two, lays respectively on the support of material-conveying belt both sides, and the quantity of the roller of weighing is that three and the bracing frame by LOAD CELLS top are installed between two LOAD CELLS.
Two LOAD CELLS both can alleviate the burden of single LOAD CELLS by the weigh weight of roller of bracing frame carrying, and the balance of the roller that helps to weigh, and the material-conveying belt that the roller of weighing like this supports is also just more steady, helps the particularity of measuring.
In sum, adopt the high-precision quantitative feeder of this structure, rational in infrastructure, measuring accuracy is high, and with low cost, is adapted at various high-precision quantitative feed occasions and uses.
Description of drawings
By reference to the accompanying drawings the utility model is described in further details:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the structural representation of roller and LOAD CELLS connection structure of weighing among Fig. 2.
Among the figure: 1 is support, and 2 is driven roller, and 3 is backing roll, and 4 is material-conveying belt, and 5 is LOAD CELLS, and 6 is stay bearing plate, and 7 is bracing frame, and 8 are the roller of weighing, and 9 is pad, and 10 is motor.
The specific embodiment
As Figure 1-3, this high-precision quantitative feeder comprises driven roller 2 and the backing roll 3 that is installed on the support 1, and driven roller 2 and backing roll 3 periphery upper supports are set with annular material-conveying belt 4, and driven roller 2 is driven by the motor 10 that is installed on the support 1.Like this, when driven by motor driven roller 2 rotates, driven roller 2 will cooperate with backing roll 3 driving material-conveying belt 4 to rotate.The LOAD CELLS 5 that cooperates with material-conveying belt 4 is installed on the support 1, be installed with stay bearing plate 6 on the support 1 of LOAD CELLS 5 tops, stay bearing plate 6 bottom surfaces and LOAD CELLS 5 induction end upper surfaces are pressed force fit, so when stay bearing plate 6 is subjected to the weight Action of Gravity Field, LOAD CELLS 5 just can detect the size of this weight gravity, has also just played weight action of gravitation on the stay bearing plate 6 of weighing.
Stay bearing plate 6 is tabular, and stay bearing plate 6 one ends and support 1 are fixed together, and stay bearing plate 6 horizontal-extendings, so stay bearing plate 6 when being subject to the Action of Gravity Field of weight downward distortion will occur, helps LOAD CELLS 5 to detect delicately this external power signal.Bracing frame 7 is installed on the stay bearing plate 6, and bracing frame 7 upper supports are equipped with the roller 8 of weighing that rolls and cooperate with material-conveying belt 4.When material-conveying belt 4 transmitted material, the weight of material will be by the roller 8 of weighing, bracing frame 7 and 6 pairs of LOAD CELLS 5 application of forces of stay bearing plate, and like this, LOAD CELLS 5 can calculate the weight of material by the contrast of the weight before and after the material of weighing.Roller 8 quantity of weighing of installing on the bracing frame 7 are at least two, can support material-conveying belt 4 in more Support Position like this, stationarity when not only having improved material-conveying belt 4 conveying but also the LOAD CELLS 5 that increased are born the area of thrust surface of material-conveying belt 4 application forces, the measuring accuracy when helping to improve LOAD CELLS 5 and weighing material.
The induction end of LOAD CELLS 5 is installed with pad 9, and pad 9 is pressed together with stay bearing plate 6 bottom surface elasticity.Can transmit or respond to by pad 9 like this weight of material, not only not affect the metering of material, but also can avoid material to pass through the direct compressing of 6 pairs of LOAD CELLS 5 of stay bearing plate, help to protect LOAD CELLS 5.
In the present embodiment, the quantity of LOAD CELLS 5 is two, lays respectively on the support 1 of material-conveying belt 4 both sides.The quantity of roller 8 of weighing is three, and the bracing frame 7 of the roller 8 of weighing by LOAD CELLS 5 tops is installed between two LOAD CELLS 5.Like this, both can alleviate the burden of single LOAD CELLS 5, the balance of the roller 8 that helps again to weigh, the material-conveying belt 4 that the roller 8 of weighing supports is also just more steady, helps the particularity of measuring.
Claims (3)
1. high-precision quantitative feeder, comprise and be installed in the upper annular material-conveying belt (4) by driven roller (2) and backing roll (3) support rotating of support (1), driven roller (2) is driven by the motor (10) that is installed on the support (1), the LOAD CELLS (5) that cooperates with material-conveying belt (4) also is installed on the support (1), it is characterized in that: be installed with horizontal-extending on the support (1) and press the stay bearing plate (6) of force fit with LOAD CELLS (5), bracing frame (7) is installed, upper parallel at least two rollers of weighing (8) that roll and cooperate with material-conveying belt (4) upper strata that are equipped with of bracing frame (7) on the stay bearing plate (6).
2. high-precision quantitative feeder as claimed in claim 1, it is characterized in that: the induction end of LOAD CELLS (5) is installed with the pad (9) that is pressed together with stay bearing plate (6) bottom surface elasticity.
3. high-precision quantitative feeder as claimed in claim 1 or 2, it is characterized in that: the quantity of LOAD CELLS (5) is two, lay respectively on the support (1) of material-conveying belt (4) both sides, the quantity of the roller of weighing (8) is that three and the bracing frame (7) by LOAD CELLS (5) top are installed between two LOAD CELLS (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220338826 CN202729111U (en) | 2012-07-13 | 2012-07-13 | High-precision constant feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220338826 CN202729111U (en) | 2012-07-13 | 2012-07-13 | High-precision constant feeder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202729111U true CN202729111U (en) | 2013-02-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220338826 Expired - Fee Related CN202729111U (en) | 2012-07-13 | 2012-07-13 | High-precision constant feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202729111U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151709A (en) * | 2015-10-07 | 2015-12-16 | 中国轻工业长沙工程有限公司 | Integrated automatic-counting roller conveyer line |
| CN105236106A (en) * | 2015-10-25 | 2016-01-13 | 天津利福特电梯部件有限公司 | Elevator encasement production line |
| CN113578779A (en) * | 2021-10-07 | 2021-11-02 | 江苏城邦物联网智能装备有限公司 | Gravity sorting equipment for logistics express packaging boxes |
-
2012
- 2012-07-13 CN CN 201220338826 patent/CN202729111U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105151709A (en) * | 2015-10-07 | 2015-12-16 | 中国轻工业长沙工程有限公司 | Integrated automatic-counting roller conveyer line |
| CN105236106A (en) * | 2015-10-25 | 2016-01-13 | 天津利福特电梯部件有限公司 | Elevator encasement production line |
| CN113578779A (en) * | 2021-10-07 | 2021-11-02 | 江苏城邦物联网智能装备有限公司 | Gravity sorting equipment for logistics express packaging boxes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20130713 |