CN204264916U - Accurate weighing continuous conveying device - Google Patents
Accurate weighing continuous conveying device Download PDFInfo
- Publication number
- CN204264916U CN204264916U CN201420751318.9U CN201420751318U CN204264916U CN 204264916 U CN204264916 U CN 204264916U CN 201420751318 U CN201420751318 U CN 201420751318U CN 204264916 U CN204264916 U CN 204264916U
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- hopper
- weighing
- conveying device
- cutting plate
- continuous conveying
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Abstract
A kind of accurate weighing continuous conveying device, comprising a distributing device, being provided with the cutting plate for switching to different discharging opening feedings in distributing device, and cutting plate is connected with driving the actuating device of cutting plate action by transmission device; Multiple hopper of weighing is positioned at below distributing device, and corresponding with the discharging opening of distributing device.Described cutting plate is arranged on the connecting portion between each discharging opening by rotating shaft.A kind of accurate weighing continuous conveying device that the utility model provides, by adopting above-mentioned structure, realizes accurate weighing, continuous feeding, whole device is less by external environment condition disturbance, and weighing precision is directly determined by the precision of LOAD CELLS, can reach total weight 0.05%.And structure is simple, cost is lower, is suitable for needing accurate dosing in production line balance and the occasion of continuous feeding.
Description
Technical field
The utility model relates to feedway field, particularly a kind of accurate weighing continuous conveying device.
Background technology
In the field needing continous batching, such as raw-food material batching, forage compounding, composite chemical fertilizer are prepared burden, for making the feed proportioning of glass magnesium plate, and for making the feed proportioning of quartz plate, usually accurate weighing is needed, existing continuous weighing apparatus, the monolateral suspension of many employings belt-like scale weighs structure, and Problems existing is that precision is poor, and usual error is about 5% of total weight.Also there is the accurate weighing hopper adopting multi-point support, but because the finite capacity of hopper, be difficult to realize material continus convergence.
Chinese patent 2008800064684 provides a kind of hopper, hopper unit and combined metering device, disclose the combination of feed hopper and weigh-hatching plant, can realize weighing comparatively accurately, but in this device, need for each weigh-hatching plant provides a feed hopper, structure is comparatively complicated, and the employing of this weigh-hatching plant is that cantilever weighs mode, error is relatively large, and the actuating device that weigh-hatching plant bottom gate is opened is arranged in frame, also can affect the levels of precision of weighing.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of accurate weighing continuous conveying device, under continus convergence operating mode, realizes accurate weighing with lower cost.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of accurate weighing continuous conveying device,
Comprising a distributing device, being provided with the cutting plate for switching to different discharging opening feedings in distributing device, cutting plate is connected with driving the actuating device of cutting plate action by transmission device;
Multiple hopper of weighing is positioned at below distributing device, and corresponding with the discharging opening of distributing device.
Described cutting plate is arranged on the connecting portion between each discharging opening by rotating shaft.
Rotating shaft end head is installed with drive wheel, and drive wheel is connected with flower wheel by flexible drive parts, and linear drive apparatus is connected with flexible drive parts.
Rotating shaft end head is installed with the connecting rod vertical with rotating shaft, linear drive apparatus and rod hinge connection.
Stock guide is provided with in the below of point hopper inside of distributing device.
Described cutting plate cross-sectional plane is the shape of medial recess, and the cross-sectional plane of stock guide is also the shape of corresponding medial recess.
Described hopper of weighing is bearing in frame respectively by multiple LOAD CELLS.
The cross-sectional plane of described hopper of weighing is for semicircle.
The discharge gate of multiple hopper of weighing is adjacent to each other.
Discharge gate is provided with the proportion adjustment gate of adjustable aperture size, and described proportion adjustment gate installation is being weighed on hopper.
A kind of accurate weighing continuous conveying device that the utility model provides, by adopting above-mentioned structure, realizes accurate weighing, continuous feeding, whole device is less by external environment condition disturbance, and weighing precision is directly determined by the precision of LOAD CELLS, can reach total weight 0.05%.And structure is simple, cost is lower, is suitable for needing accurate dosing in production line balance and the occasion of continuous feeding.Especially be applicable to matching with the screw feeder charging of adjustable speed, to improve the precision of automatic proportioning.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is continuous feeding schematic flow sheet of the present utility model.
Fig. 2 is the A-A sectional structure schematic diagram in Fig. 1.
Fig. 3 is the main TV structure schematic diagram of another embodiment of the utility model.
Fig. 4 is the lateral plan of Fig. 3.
Fig. 5 is the B-B sectional structure schematic diagram in Fig. 4.
Fig. 6 is the partial enlarged drawing adopting flexible drive parts drive configuration in the utility model.
In figure: distributing device 1, point hopper 101, stock guide 102, cutting plate 103, drive wheel 104, flower wheel 105, drives cylinder 106, flexible drive parts 107, first discharging opening 108, second discharging opening 109, rotating shaft 110, first weighs hopper 2, LOAD CELLS 21, gate 22, first discharge gate 23, second discharge gate 23', second weighs hopper 2', batching feedway 3, feed conveying device 4, frame 5.
Detailed description of the invention
Embodiment 1:
As in Fig. 1,3,4, a kind of accurate weighing continuous conveying device, comprising a distributing device 1, being provided with the cutting plate 103 for switching to different discharging opening feedings in distributing device 1, cutting plate 103 is connected with driving the actuating device of cutting plate 103 action by transmission device;
Multiple hopper of weighing is positioned at below distributing device, and corresponding with the discharging opening of distributing device 1.Structure thus, by distributing device 1 to each hopper feed in turn of weighing, then each weigh hopper after accurate weighing by subtractive way continuously to batching feedway 3 continuously accurate feeding.Thus realize the accurate weighing continus convergence of material.
Described cutting plate 103 is arranged on the connecting portion between each discharging opening by rotating shaft 110.As shown in Fig. 1,3,4, cutting plate 103 is fixedly connected with rotating shaft 110, and rotating shaft 110 is bearing on point hopper 101 by bearing.Structure thus, being convenient to cutting plate 103 by rotating, switching the direction of tilt of cutting plate 103, thus alternately to the first discharging opening 108 and the second discharging opening 109 feed.
Preferred structure is as in Fig. 6, and rotating shaft 110 termination is installed with drive wheel 104, and drive wheel 104 is connected with flower wheel 105 by flexible drive parts 107, and linear drive apparatus is connected with flexible drive parts 107.Flexible drive parts 107 in this example is belt, cog belt or chain, and corresponding drive wheel 104 and flower wheel 105 are belt pulley, gear or sprocket wheel.Linear drive apparatus is then linear electric motors, cylinder, hydraulic actuating cylinder.Preferred cylinder in this example.In this example, by chain drive or belt gear, by driving the straight-line motion of cylinder 106 to be converted to rotary motion, especially in switching process, the characteristic that flexible drive parts 107 has buffering is avoided damaging parts.As in Fig. 6, when driving the piston rod of cylinder 106 to stretch out, driving flexible drive parts 107 to left movement, thus driving driving wheel 104 left-hand revolution, rotating shaft 110 left-hand revolution corresponding to cutting plate 103, thus completing the switching of cutting plate 103.Preferred further, drive the two ends in cylinder 106 cylinder to be rod chamber, namely drive the piston rod of cylinder 106 all to run through whole cylinder body in the course of the work, structure thus, guarantee that speed when cutting plate 103 switches to both sides is identical, thus improve weighing precision.
Optional structure is: rotating shaft 110 termination is installed with the connecting rod vertical with rotating shaft 110, linear drive apparatus and rod hinge connection.But in the structure shown here, cutting plate 103 rotate to be variable-speed motion, the impact of the symmetrical heavy burder bucket of stream can be affected, thus affect weighing precision.And adopting driving cylinder 106 to drive the reciprocating mode of flexible drive parts 107, then cutting plate 103 is uniform movement.Cutting plate 103 can be avoided because of variable-speed motion to make the symmetrical heavy burder bucket shape of stream become temporary impact, thus the accuracy rate that impact weighs.
In preferred scheme, as in Fig. 1,4, be provided with stock guide 102 in the below of point hopper 101 inside of distributing device 1.Stock guide 102 in this example is arranged on the both sides at point hopper 101 and the first discharging opening 108 and the second discharging opening 109 connecting portion.Structure thus, avoids the gap between cutting plate 103 and point hopper 101 to cause material from leakage, thus makes weighing inaccurate.In the utility model, the advantage of distributing device 1 is that switching controls is convenient, without leaking material, thus being beneficial to measurement accurately, requiring low to parts size precision.
Further in preferred scheme, described cutting plate 103 cross-sectional plane is the shape of medial recess, such as circular arc, " V " shape, " U " shape or rectangle, and the cross-sectional plane of stock guide 102 is also the shape of corresponding medial recess.Structure thus, in Flow of Goods and Materials, material concentrates on the axis of cutting plate 103, thus reduces the seal request between cutting plate 103 and the housing of distributing device 1.
As in Fig. 1 ~ 4, described hopper of weighing is bearing in frame 5 respectively by multiple LOAD CELLS.Be provided with stay bearing plate at the outer wall of hopper of weighing, be also provided with reinforced rib between the outer wall of stay bearing plate and hopper of weighing, frame 5 is provided with backing plate, LOAD CELLS 21 is arranged between stay bearing plate and backing plate.Preferably, the periphery between stay bearing plate and backing plate is also provided with flexible protective cover, with the pollution protecting LOAD CELLS 21 to avoid being subject to dust.
Structure thus, adopt the cumulative mode of integration to obtain total weight during metering, avoid force transmission mechanism, such as cantilever mechanism or leverage weighing precision impact.
Preferred scheme is as in Fig. 2, and the cross-sectional plane of described hopper of weighing is for semicircle.Structure thus, the discharge gate being convenient to make to weigh hopper is adjacent to each other.
The discharge gate of multiple hopper of weighing is adjacent to each other.Structure thus, makes two materials of weighing in hopper drop on identical position on batching feedway 3 as far as possible, to realize continuous print accurate dosing with the raw material carried on batching feedway 3.
Preferred scheme is as in Fig. 1,3, and discharge gate is provided with the proportion adjustment gate of adjustable aperture size, and described proportion adjustment gate installation is being weighed on hopper.Structure thus, realizes the accurate discharge automatically controlled.
Embodiment 2:
On the basis of embodiment 1, a kind of accurate weighing continuous conveying device as shown in Fig. 1,2,6, is provided with feed conveying device 4 above distributing device 1, described feed conveying device 4 comprises belt feeder, screw feeder, elevator bucket or burying scraper.
In distributing device 1, top is a point hopper 101, and bottom is respectively equipped with the first discharging opening 108 and the second discharging opening 109, and cutting plate 103 is arranged on the connecting portion between each discharging opening by rotating shaft 110, as shown in Figure 1.Rotating shaft 110 termination is installed with drive wheel 104, and drive wheel 104 is connected with flower wheel 105 by flexible drive parts 107, drives cylinder 106 to be connected with flexible drive parts 107.
Stock guide 102 is provided with in the below of point hopper 101 inside of distributing device 1.Stock guide 102 is arranged on the both sides at point hopper 101 and the first discharging opening 108 and the second discharging opening 109 connecting portion.Described cutting plate 103 cross-sectional plane is the shape of medial recess.The cross-sectional plane of stock guide 102 is also the shape of corresponding medial recess.
Below the first discharging opening 108 and the second discharging opening 109, be respectively equipped with the first hopper 2 and second of weighing to weigh hopper 2', first the hopper 2 and second hopper 2' that weighs that weighs is bearing in frame 5 respectively by multiple LOAD CELLS 21, in this example, the first hopper 2 and second hopper 2' level cross-sectionn of weighing of weighing becomes semicircle, as shown in Figure 2, first the hopper 2 and second hopper 2' that weighs that weighs is combined into a circle.The weigh second discharge gate 23' of hopper 2' of first first discharge gate 23 and second of weighing hopper 2 is adjacent to each other, more close with the position making material drop on batching feedway 3.Thus make the batching in continuous conveying process more accurate.
In this example, first the hopper 2 and second hopper 2' that weighs that weighs is arranged in the both sides of batching feedway 3, and correspondingly the first discharging opening 108 of distributing device 1 and the second discharging opening 109 are also the both sides being positioned at batching feedway 3, as shown in fig. 1, this structure is comparatively simple, is easy to realize.
Use as in Fig. 1, feed conveying device 4 is fed in point hopper 101, now cutting plate 103 tilts to the right, stock guide 102 and the cutting plate 103 in a material process point hopper 101, left side export from the second discharging opening 109, entering into second weighs in hopper 2', and the gravimetric value signal being sent to control setup when LOAD CELLS 21 reaches preset value.The piston rod of cylinder 106 is driven to retract, drive flexible drive parts 107 left-hand revolution left, the corresponding left-hand revolution of drive wheel 104, cutting plate 103 is driven to be tilted to the left, material now exports from point stock guide 102 of hopper 101 through right side, cutting plate 103, first discharging opening 108, entering into first weighs in hopper 2, first LOAD CELLS 21 of weighing below hopper 2 starts to obtain weight signal and is sent to control setup, until after weight signal reaches setting value, feed conveying device 4 stops feed, cutting plate 103 is switched to the second discharging opening 109.Simultaneously the second gate 22 of weighing below hopper 2' starts, to batching feedway 3 feed, usually on batching feedway 3, to have unclassified stores, weighs and sends into continuous mixing device after material proportion that hopper 2' comes with second and mix.Now weight signal continues to send to control setup by the second LOAD CELLS 21 of weighing hopper 2', by the aperture of automatic control device control door 22, realizes to batching feedway 3 accurate feeding.The weight signal sent when the second LOAD CELLS 21 of weighing hopper 2' reaches default lower limit, now the second material of weighing in hopper 2' is close to emptying, progressively to weigh second the closing gate of hopper 2', progressively open the first gate of weighing hopper 2 simultaneously, make now to remain unchanged to the feed total amount of batching feedway 3, when the second hopper 2' gate of weighing is closed completely, continue to weigh hopper 2' charging to second, so move in circles, realize the accurate weighing continous batching conveying on conveyor line.
Embodiment 3:
On the basis of embodiment 1, a kind of accurate weighing continuous conveying device as shown in Fig. 1,2,6, is provided with feed conveying device 4 above distributing device 1, described feed conveying device 4 comprises belt feeder, screw feeder, elevator bucket or burying scraper.
In distributing device 1, top is a point hopper 101, and bottom is respectively equipped with the first discharging opening 108 and the second discharging opening 109, and cutting plate 103 is arranged on the connecting portion between each discharging opening by rotating shaft 110, as shown in Figure 1.Rotating shaft 110 termination is installed with drive wheel 104, and drive wheel 104 is connected with flower wheel 105 by flexible drive parts 107, drives cylinder 106 to be connected with flexible drive parts 107.
Stock guide 102 is provided with in the below of point hopper 101 inside of distributing device 1.Stock guide 102 is arranged on the both sides of point hopper 101 and the first discharging opening 108 and the second discharging opening 109 connecting portion.Described cutting plate 103 cross-sectional plane is the shape of medial recess.The cross-sectional plane of stock guide 102 is also the shape of corresponding medial recess.
Below the first discharging opening 108 and the second discharging opening 109, be respectively equipped with the first hopper 2 and second of weighing to weigh hopper 2', first the hopper 2 and second hopper 2' that weighs that weighs is bearing in frame 5 respectively by multiple LOAD CELLS 21, in this example, the first hopper 2 and second hopper 2' level cross-sectionn of weighing of weighing becomes semicircle, as shown in Figure 2, first the hopper 2 and second hopper 2' that weighs that weighs is combined into a circle.The weigh second discharge gate 23' of hopper 2' of first first discharge gate 23 and second of weighing hopper 2 is adjacent to each other, more close with the position making material drop on batching feedway 3.Thus make the batching in continuous conveying process more accurate.
In the scheme of further optimization, in this example, the first discharging opening 108 of distributing device 1 and the second discharging opening 109 are provided with the dash plate 111 along batching feedway 3 direction, the dash plate 111 of the first discharging opening 108 and the second discharging opening 109 is respectively towards front and the rear of batching feedway 3, by dash plate 111, stream is turned at this place, to reduce the impact of the symmetrical heavy burder bucket of material.
In this example, first weigh hopper 2 and second weigh hopper 2' be arranged in along batching feedway 3 fore-and-aft direction, as shown in Fig. 3 ~ 5.Structure thus, adapts to the occasion of particular/special requirement, such as, require that material must drop on the occasion in the middle of batching feedway 3.
The using method of this example is identical with enforcement 2.
The above embodiments are only optimal technical scheme of the present utility model; and should not be considered as restriction of the present utility model; the technical scheme that protection domain of the present utility model should be recorded with claim, the equivalents comprising technical characteristic in the technical scheme of claim record is protection domain.Namely the equivalent replacement within the scope of this improves, also within protection domain of the present utility model.
Claims (10)
1. an accurate weighing continuous conveying device, it is characterized in that: comprise a distributing device (1), be provided with the cutting plate (103) for switching to different discharging opening feedings in distributing device (1), cutting plate (103) is connected with driving the actuating device of cutting plate (103) action by transmission device; Multiple hopper of weighing is positioned at below distributing device, and corresponding with the discharging opening of distributing device (1).
2. a kind of accurate weighing continuous conveying device according to claim 1, is characterized in that: described cutting plate (103) is arranged on the connecting portion between each discharging opening by rotating shaft (110).
3. a kind of accurate weighing continuous conveying device according to claim 2, it is characterized in that: rotating shaft (110) termination is installed with drive wheel (104), drive wheel (104) is connected with flower wheel (105) by flexible drive parts (107), and linear drive apparatus is connected with flexible drive parts (107).
4. a kind of accurate weighing continuous conveying device according to claim 2, is characterized in that: rotating shaft (110) termination is installed with connecting rod, linear drive apparatus and the rod hinge connection vertical with rotating shaft (110).
5. a kind of accurate weighing continuous conveying device according to claim 2, is characterized in that: the below inner at point hopper (101) of distributing device (1) is provided with stock guide (102).
6. a kind of accurate weighing continuous conveying device according to claim 5, is characterized in that: described cutting plate (103) cross-sectional plane is the shape of medial recess, and the cross-sectional plane of stock guide (102) is also the shape of corresponding medial recess.
7. a kind of accurate weighing continuous conveying device according to claim 1, is characterized in that: described hopper of weighing is bearing in frame (5) respectively by multiple LOAD CELLS.
8. a kind of accurate weighing continuous conveying device according to claim 1, is characterized in that: the cross-sectional plane of described hopper of weighing is for semicircle.
9. a kind of accurate weighing continuous conveying device according to claim 1 or 8, is characterized in that: the discharge gate of multiple hopper of weighing is adjacent to each other.
10. a kind of accurate weighing continuous conveying device according to claim 1, it is characterized in that: discharge gate is provided with the proportion adjustment gate of adjustable aperture size, described proportion adjustment gate installation is being weighed on hopper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751318.9U CN204264916U (en) | 2014-12-04 | 2014-12-04 | Accurate weighing continuous conveying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420751318.9U CN204264916U (en) | 2014-12-04 | 2014-12-04 | Accurate weighing continuous conveying device |
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| Publication Number | Publication Date |
|---|---|
| CN204264916U true CN204264916U (en) | 2015-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420751318.9U Withdrawn - After Issue CN204264916U (en) | 2014-12-04 | 2014-12-04 | Accurate weighing continuous conveying device |
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| CN (1) | CN204264916U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444222A (en) * | 2014-12-04 | 2015-03-25 | 长江大学 | Device for precisely weighing and continuously transporting |
| CN106546307A (en) * | 2016-10-26 | 2017-03-29 | 武汉理工大学 | A kind of discontinuous powder metering equipment |
| CN110155669A (en) * | 2019-05-30 | 2019-08-23 | 南京杰科丰环保技术装备研究院有限公司 | A kind of mobile feeding-distribution device of adjustable type |
-
2014
- 2014-12-04 CN CN201420751318.9U patent/CN204264916U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104444222A (en) * | 2014-12-04 | 2015-03-25 | 长江大学 | Device for precisely weighing and continuously transporting |
| CN106546307A (en) * | 2016-10-26 | 2017-03-29 | 武汉理工大学 | A kind of discontinuous powder metering equipment |
| CN106546307B (en) * | 2016-10-26 | 2019-01-18 | 武汉理工大学 | A kind of discontinuous powder metering equipment |
| CN110155669A (en) * | 2019-05-30 | 2019-08-23 | 南京杰科丰环保技术装备研究院有限公司 | A kind of mobile feeding-distribution device of adjustable type |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150415 Effective date of abandoning: 20161012 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |