CN109029653A - Check weighing scale with material issuance device - Google Patents
Check weighing scale with material issuance device Download PDFInfo
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- CN109029653A CN109029653A CN201811268800.6A CN201811268800A CN109029653A CN 109029653 A CN109029653 A CN 109029653A CN 201811268800 A CN201811268800 A CN 201811268800A CN 109029653 A CN109029653 A CN 109029653A
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- weighing
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- product
- slide plate
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- 239000000463 material Substances 0.000 title claims abstract description 158
- 238000005303 weighing Methods 0.000 title claims abstract description 150
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000005452 bending Methods 0.000 claims description 11
- 230000001133 acceleration Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003032 molecular docking Methods 0.000 claims description 3
- 239000000047 product Substances 0.000 description 133
- 230000035611 feeding Effects 0.000 description 124
- 238000009434 installation Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000004568 cement Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 206010061307 Neck deformity Diseases 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 239000011111 cardboard Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000033764 rhythmic process Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013569 fruit product Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- -1 health care Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/24—Weighing mechanism control arrangements for automatic feed or discharge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Weight Measurement For Supplying Or Discharging Of Specified Amounts Of Material (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
A kind of check weighing scale with material issuance device, it includes the feeding unit material being from left to right sequentially arranged, weighing unit, it further include control cabinet, weighing unit is made of object mobile platform and weighing sensor connected to it, the upper surface of object mobile platform and the upper surface of feeding unit material are parallel, weighing unit is connect by weighing sensor with rack, feeding unit material is connect with rack, weighing sensor is electrically connected with control cabinet, material issuance device is additionally provided on the left side of feeding unit material, material issuance device includes the second roll shaft and the first roll shaft that roll shaft adjusts bracket and is set on roll shaft adjustment bracket, second roll shaft and the first roll shaft are positioned opposite and parallel to each other, plane where the axis of first roll shaft and the second roll shaft is vertical with the upper surface of feeding unit material, the axis of second roll shaft and the first roll shaft is run perpendicular to the product on feeding unit material upper surface Direction, the second roll shaft connect rotation drive device at least one in the first roll shaft, and rotation drive device is electrically connected with control cabinet.
Description
Technical field
The present invention relates to dynamic weighing detection fields, more particularly to for it is single-row can mutually push there are two mutually opposite
Pair flat surface hard surface object a kind of check weighing scale with material issuance device.
Background technique
The standardized products industry such as food, drug, health care, chemical product, hardware, clothes, books, electronics, much requires to use
Check weighing scale carries out weight detecting, weeds out weight is underproof.
Check weighing scale is generally made of feeding unit material, weighing unit, culling unit.Feeding unit material steadily send detected product
Onto weighing unit, feeding unit material can be belt conveyor, and being also possible to inclined slide plate, (product is on inclined slide plate
Speed is acceleration mode).Weighing unit is made of object mobile platform and weighing sensor connected to it, object mobile platform
It can be belt conveyor, also can connect tilting slide plate.
Single-row product on many product pipelines is end-to-end together, and feeding unit material needs to move by improving product
Dynamic speed, adjacent product pull out spacing (the product speed on weighing unit is generally not less than the product speed on feeding unit material,
Then, spacing of two products on belt conveyor weighing unit or slide plate weighing unit will not be less than them in feeding unit material
On spacing), make their upper weighing platforms respectively one by one, otherwise, two pieces product moves on to meeting on the weighing unit of check weighing scale simultaneously
The weighing results of severe jamming product.
In general, the movement speed of product has upper limit requirement on weighing unit.Because movement will be unable to very much precise fastly,
So if two pieces product connect and the speed of product pipeline also quickly, feeding unit material, which can not just pass through, provides speed-raising
Two pieces product is pulled out enough distances, it will extreme influence weighing accuracy.
Currently, the pipeline of many people's feedings at the different station of pipeline, or, more packaging facilities blankings are aggregated into
Pipeline together, the fast speed of product pipeline, product spacing is without rule.These products convey linear velocity cannot be too
Slowly, otherwise, many places feeding station will will generate product accumulation on the conveyor line without enough blowing space lengths；If produced
Product pipeline is too slow, and product will be very crowded on production pipeline, and artificial loading will generate and place difficulty；Such as fruit product phase end to end
Rhythm of production is even just adapted to, then, since conveying linear velocity is too slow, once generating larger spacing between product, will seriously drag
Prolong rhythm of production.
When using check weighing scale, need there are enough spacing between product.Just because of it is easy to appear phases for the said goods pipeline
The inadequate situation of adjacent product spacing, so, check weighing scale can not be directly used, which greatly limits the use scope of check weighing scale,
Leverage the product quality of these product pipelines.
Summary of the invention
Application scheme is suitable for base box packing product, the upright doll body produced by unified standard, the long column lied down
The harder product such as body, ampuliform object of short neck length body etc., these products possess at least a pair and can be used for by external a pair of of roll shaft
Mobile mutual opposite facing flat external surface or the straight crest line of evagination are clamped, they can also push each other and will not generate stacking.
Technical measures adopted by the present invention are: a kind of check weighing scale with material issuance device, including are from left to right sequentially arranged
Feeding unit material, weighing unit, culling unit, further include control cabinet, weighing unit is by object mobile platform and connected to it
Weighing sensor composition, the upper surface of object mobile platform and the upper surface of feeding unit material are parallel, and weighing unit is passed by weighing
Sensor is connect with rack, and feeding unit material, culling unit are connect with rack, weighing sensor, culling unit respectively with control cabinet
Electrical connection is additionally provided with material issuance device on the left side of feeding unit material, and material issuance device includes roll shaft adjustment bracket and is set to roller
The second roll shaft and the first roll shaft on axial adjustment bracket, the second roll shaft and the first roll shaft are positioned opposite and parallel to each other, the first roller
Plane where the axis of axis and the second roll shaft is vertical with the upper surface of feeding unit material, between the second roll shaft and the first roll shaft between
Away from adjustable, to adapt to the product of different-thickness or the product of different surfaces coefficient of friction, the second roll shaft and the first roll shaft
Axis is perpendicular to the product traffic direction on feeding unit material upper surface；Second roll shaft connect rotation at least one in the first roll shaft
Driving device, rotation drive device are electrically connected with control cabinet；Feeding unit material is charging belt conveyer, and object mobile platform is to claim
Weight belt conveyor, charging belt conveyer, belt of weighing conveyer are also electrically connected with control cabinet respectively.Feeding unit material, weighing
Unit is belt conveyor, their belt speed is v1, belt of weighing conveyer is l in the length of product direction of advance3,
Multiple workers or more packing machines are put into product pipeline the product of unified standard, blowing in the different station of product pipeline
Speed is p, and product is card board package product, product length l2, it does not accumulate up and down each other, but mutual spacing differs, the
The periphery linear velocity of two roll shafts and the first roll shaft is v, and setting v meets: p × l2< v < v1×l2/(l3+l2), through feeding
The speed-raising of unit is pulled open zero spacing of the adjacent product abutted of two pieces on product pipeline on feeding unit material, realizes every
To on weighing unit on a secondary only product, meet the weighing requirement of weighing unit.
The outside of second roll shaft and the first roll shaft is provided with the biggish flexible material of coefficient of friction, adjusts bracket by roll shaft
The spacing for adjusting the second roll shaft and the first roll shaft makes detected product under rotation drive device driving from two roll shaft surfaces
It is lossless between flexible material to prevent product by and the flexible material on rotation drive device two roll shaft surfaces when static
Pass through under the push effect of numerous products (because product pipeline does not stall movable property life) on its left side.Second roll shaft and first
The biggish flexible material of the coefficient of friction on roll shaft surface is plastic cement cylinder or coating, is also possible to a plurality of roll shaft difference that is distributed in and cuts
The ring plastic cement circle in face.
Material issuance device is fixed in rack, can also be fixed on product pipeline.
First roll shaft and the second roll shaft are drive roll, and rotation drive device is motor, that is, the first roll shaft and the second roll shaft
One motor driven of each freedom, motor are electrically connected (motor can also be controlled by other control systems) with control cabinet, the second roll shaft and
The first uniform rubber of the uniform Jacket thickness in roll shaft surface, control cabinet, which controls the second roll shaft and the revolving speed of the first roll shaft, makes its cylinder
The linear velocity of rubber surface is identical；Can also with an active in the first roll shaft and the second roll shaft, one it is passive.
The specific feature of this programme in addition, the axis of the second roll shaft and the first roll shaft is parallel to the upper surface of feeding unit material,
The length of second roll shaft and the first roll shaft is all larger than product width, and the second roll shaft is located at the top of the first roll shaft, feeding unit material
The Upper cylindrical plane tangent of upper surface and the first roll shaft, it is that horizontal axis adjusts bracket that roll shaft, which adjusts bracket, and horizontal axis adjusts bracket packet
The vertical plate composition opposite perpendicular to two pieces of feeding unit material upper surface is included, there is circular hole, the peace of the first roll shaft axis of installation on vertical plate
The strip-shaped hole of the second roll shaft of dress and adjustment, the second roll shaft connect rotation drive device at least one in the first roll shaft, and rotation is driven
Dynamic device is electrically connected with control cabinet.
The specific feature of this programme is in addition, be provided with smooth preceding feeding between the first roll shaft and product pipeline right end
Plate, preceding feeding plate are connect with rack, feeding plate before product can slip over, smoothly from product pipeline enter the second roll shaft and
Between first roll shaft, preceding feeding plate is formed by plate bending, left end tilts to left down.Between first roll shaft and feeding unit material left end
It is provided with smooth rear feeding plate, rear feeding plate is connect with rack, and product can be by rear feeding plate smoothly from the second roll shaft
And first between roll shaft on on feeding unit material, rear feeding plate is formed by plate bending, left end tilts to left down.Preceding feeding plate with
Feeding plate is connect with rack afterwards.
The specific feature of this programme in addition, the axis of the second roll shaft and the first roll shaft perpendicular to feeding unit material upper surface,
The length of second roll shaft and the first roll shaft is all larger than product thickness up and down, and it is that vertical shaft adjusts bracket, vertical shaft tune that roll shaft, which adjusts bracket,
Whole bracket includes two pieces of transverse slats opposing upper and lower for being parallel to feeding unit material upper surface, there is the first roll shaft axis of installation on transverse slat
The strip-shaped hole of circular hole, the second roll shaft of installation and adjustment.
The left side of material issuance device is provided with fromer rail, the product channels that fromer rail is enclosed with product pipeline include
Left part channel and right part channel, left part channel are bell mouth shape grooved passageway, and right part channel is long groove shape, and right part channel is and production
The comparable cross-section smooth passage of product size.
Fromer rail is fixed on the rack, and can also be fixed on product pipeline.
The specific feature of this programme between the second roll shaft and the first roll shaft in addition, be provided with smooth and and feeding unit material
The retainer plate of the same height in upper surface；The channel that fromer rail forms the second roll shaft of product orientation and the first roll shaft, product are produced
The push of product pipeline comes, first upper on retainer plate, then by the second roll shaft and the first roll shaft slight squeeze, roll and shift feeding unit material onto
On, retainer plate is formed by plate bending, left end tilts down.
Rear rail is arranged in the right in the channel of the second roll shaft and the first roll shaft composition, and rear rail is enclosed with feeding unit material
Product channels include left part channel and right part channel, left part channel is bell mouth shape grooved passageway, and right part channel is long groove shape,
Right part channel is and the comparable cross-section smooth passage of product size；Being come out from the channel that the second roll shaft is formed with the first roll shaft
Product orientation feeding unit material, and be moved on weighing unit by unified posture.
Retainer plate, rear rail are connect with rack.
The guide rod or guide plate that fromer rail is arranged symmetrically by a pair form；The guide rod that rear rail is arranged symmetrically by a pair
Or guide plate composition.
A kind of check weighing scale with material issuance device, it includes the feeding unit material being from left to right sequentially arranged, weighing unit, is also wrapped
Control cabinet is included, weighing unit is made of object mobile platform and weighing sensor connected to it, the upper table of object mobile platform
Face is parallel with the upper surface of feeding unit material, and weighing unit is connect by weighing sensor with rack, and feeding unit material is connect with rack,
Weighing sensor is electrically connected with control cabinet, characterized in that is additionally provided with material issuance device, material issuance device packet on the left side of feeding unit material
The second roll shaft and the first roll shaft for including roll shaft adjustment bracket and being set on roll shaft adjustment bracket, the second roll shaft and the first roll shaft
Positioned opposite and parallel to each other, the plane where the axis of the first roll shaft and the second roll shaft is vertical with the upper surface of feeding unit material,
Feeding unit material is feeding slide plate, and object mobile platform is weighing slide plate, and feeding slide plate, weighing slide plate are not necessary to be electrically connected with control cabinet
It connects, feeding slide plate, weighing slide plate, culling unit are successively in tilted layout from left to bottom right, and the bottom surface of feeding slide plate and weighing are slided
The bottom surface of plate is parallel and is α, 5 ° of 55 ° of < α < to horizontal plane inclination angle；Weighing slide plate and feeding slide plate use identical material.
Control cabinet the second roll shaft 4 of control is identical with the periphery linear velocity v of the first roll shaft 9 and meets following two simultaneously
It is required that:
1) p × l2< v < [ ((l3+l2)/T)2-a×(2×l1+l3-l2)+(a×T/2)2?1/2；
2) [ a × l2×l2× [ (2 × l1-l2+l3)-(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×(l3+2×
l2)1/2< v < [ a × l2×l2× [ (2 × l1-l2+l3)+(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×
(l3+2×l2)1/2；
Wherein, a is acceleration of the product on weighing slide plate and feeding slide plate,
A=g × (sin α-μ × cos α), g is acceleration of gravity, μ is coefficient of friction, α of the product to weighing slide plate and feeding slide plate
It is weighing slide plate to the angle of horizontal plane.
T is the minimum weighing time of the accurate weighing of the controller of check weighing scale.
l1For the length of feeding slide plate；l2For the length of product；l3For the length for slide plate of weighing.
The realization product that zero spacing is close together on slide plate material guide mechanism send by two roll shafts rollings and mentions with feeding slide plate
After speed, not in the case where occurring while going up weighing platform of weighing on slide plate, weighing precision is protected.
The specific feature of this programme is in addition, feeding slide plate can be smooth plates, or slightly wider than product is smooth
Flat U slot, left part bottom surface to left down bending, left part both side plate in horn mouth left large and right small, turned right again as cross-section
Groove body；The first roll shaft left side is equipped with slide plate material guide mechanism, and slide plate material guide mechanism right end bottom plate stretches out to the right, close to the first roll shaft
The upper half on the cylindrical surface of roll surface, slide plate material guide mechanism can be smooth plates, or slightly wider than product is smooth flat
Slot.
The specific feature of this programme in addition, the axis of the second roll shaft and the first roll shaft is parallel to the upper surface of feeding slide plate,
The length of second roll shaft and the first roll shaft is all larger than product width, and the second roll shaft is located at the top of the first roll shaft, feeding slide plate
The Upper cylindrical plane tangent of upper surface and the first roll shaft, it is that horizontal axis adjusts bracket that roll shaft, which adjusts bracket, and horizontal axis adjusts bracket packet
The vertical plate composition opposite perpendicular to two pieces of feeding slide plate upper surface is included, there is circular hole, the peace of the first roll shaft axis of installation on vertical plate
The strip-shaped hole of the second roll shaft of dress and adjustment, the second roll shaft connect rotation drive device at least one in the first roll shaft, and rotation is driven
Dynamic device is electrically connected with control cabinet.
In addition, feeding unit material is feeding slide plate, the axis of the second roll shaft and the first roll shaft is vertical for the specific feature of this programme
It is all larger than product or more thickness in the length of the upper surface of feeding slide plate, the second roll shaft and the first roll shaft, roll shaft adjustment bracket is
Vertical shaft adjusts bracket, and vertical shaft adjustment bracket includes two pieces of transverse slat compositions opposing upper and lower for being parallel to feeding slide plate upper surface, horizontal
There are the circular hole of the first roll shaft axis of installation, the strip-shaped hole of the second roll shaft of installation and adjustment on plate, feeding slide plate left part bottom plate becomes
Channel that is narrow, extending across the second roll shaft and the first roll shaft composition, docking skateboard material guide mechanism；Slide plate material guide mechanism is than producing
The slightly wide smooth flat-bottom slot of product；
The specific feature of this programme is in addition, feeding slide plate is feeding slide plate, the only right end bottom plate of the slide plate material guide mechanism of left end
Narrow, extend through the channel that the second roll shaft and the first roll shaft form to the right, docks feeding slide plate, or even become with feeding slide plate 18
Integrally.
The beneficial effect of this programme is to hold rolling by a pair of rolls axle clamp to send product, produces following effect:
1, for harder productions such as base box packing product, the upright doll body produced by unified standard, the long cylinders lied down
The products such as ampuliform object of product, short neck length body, such as Medicine box, books, the long prismatic wooden handle of racket or even cylindric glue,medicinal
Capsule is realized the random product of spacing on original product pipeline by no less than some time interval or space spacing one
A one is sent to the feeding unit material and weighing unit of check weighing scale, solves the problems, such as material issuance, reason material before the check weighing of product, it is ensured that
Product will not simultaneously on on weighing platform, it is ensured that weighing precision and check weighing accuracy.
2, the applicability for greatly extending check weighing scale makes check weighing scale be suitable for various products without the product of regular spacing
The weight detecting of pipeline: such as, the pipeline of many people feeding at the different station of pipeline, for another example, more packaging facilities
The pipeline that blanking gathers.
3, material issuance apparatus structure is simple, high reliablity, at low cost, and reason material effect is good.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the present invention does weighing unit using belt conveyor.Fig. 2 is the vertical cloth of roll shaft of Fig. 1
The structural representation front view set.Fig. 3 is the top view of Fig. 2.Fig. 4 is that the present invention is shown using the structure that tilting slide plate does weighing unit
Meaning front view.Fig. 5 is the top view of Fig. 4.Fig. 6 is the vertically arranged structural schematic diagram of roll shaft of Fig. 5.Fig. 7 is that Fig. 6 replaces slide plate
The structural schematic diagram of material guide mechanism.
In figure, 1- product pipeline, 2- product, feeding plate before 3-, the second roll shaft of 4-, feeding plate after 5-, 6- culling unit,
7- belt of weighing conveyer, 8- charging belt conveyer, the first roll shaft of 9-, 10- retainer plate, 11- fromer rail, 12- rear rail,
13- horizontal axis adjustment bracket, 14- weighing sensor, 15 racks, 16- vertical shaft adjustment bracket, 17- weighing slide plate, 18- feeding slide plate,
19- slide plate material guide mechanism, 28- retainer feeding slide plate, 29- slide plate guide material carrying mechanism, straight arrows are product operation side in figure
To curved arrow is roll shaft direction of rotation in figure.
Specific embodiment
Embodiment 1: a kind of check weighing scale with material issuance device, as shown in Figure 1, including the feed material list being from left to right sequentially arranged
Member, weighing unit, culling unit 6 further include control cabinet, and weighing unit is by object mobile platform and weighing and sensing connected to it
Device 14 forms, and the upper surface of object mobile platform and the upper surface of feeding unit material are parallel, and feeding unit material is charging belt conveyer
8, object mobile platform is belt of weighing conveyer 7, and weighing unit is connect by weighing sensor 14 with rack 15, feed material list
Member, culling unit 6 are connect with rack 15, and weighing sensor 14, culling unit 6 are electrically connected with control cabinet respectively, charging belt
Conveyer 8, belt of weighing conveyer 7 are also electrically connected with control cabinet respectively, are additionally provided on the left side of feeding unit material and are fixed on machine
Material issuance device on frame 15, material issuance device include the second roll shaft 4 that roll shaft adjusts bracket and is set on roll shaft adjustment bracket
With the first roll shaft 9, the second roll shaft 4 and the first roll shaft 9 are positioned opposite and parallel to each other, the axis of the first roll shaft 9 and the second roll shaft 4
The plane at place and the upper surface of feeding unit material are vertical, and the spacing between the second roll shaft 4 and the first roll shaft 9 is adjustable, and second
The axis of roll shaft 4 and the first roll shaft 9 perpendicular on feeding unit material upper surface product traffic direction, be parallel to the upper of feeding unit material
The length of surface, the second roll shaft 4 and the first roll shaft 9 is all larger than 2 width of product, and the second roll shaft 4 is located at the top of the first roll shaft 9,
The Upper cylindrical plane tangent of the upper surface of feeding unit material and the first roll shaft 9, it is that horizontal axis adjusts bracket 13 that roll shaft, which adjusts bracket, is crouched
Axial adjustment bracket 13 includes the vertical plate composition opposite perpendicular to two pieces of feeding unit material upper surface, has the first roll shaft of installation on vertical plate
The strip-shaped hole of the circular holes of 9 axis, the second roll shaft of installation and adjustment 4, the second roll shaft 4 dock rotation at least one in the first roll shaft 9
Rotary driving device, rotation drive device are electrically connected with control cabinet, and the outside of the second roll shaft 4 and the first roll shaft 9 is provided with friction system
The biggish flexible material of number adjusts the spacing that bracket adjusts the second roll shaft 4 and the first roll shaft 9 by roll shaft, makes detected product 2
Rotation drive device driving under between the flexible material on two roll shaft surfaces it is lossless by and rotation drive device it is static
When two roll shaft surfaces flexible material can prevent product 2 its left side numerous products (because product pipeline do not stall it is dynamic
Generate) push effect under pass through.
The biggish flexible material of coefficient of friction on 9 surface of the second roll shaft 4 and the first roll shaft, is plastic cement cylinder or coating, can also
To be a plurality of ring plastic cement circle for being distributed in roll shaft different cross section.
If the second roll shaft 4 and the first roll shaft 9 are driven by independent rotation drive device, or, an active drive, another
One is linked by transmission mechanisms such as gears, and the linear velocity of two roll shaft surfacings must be identical.
Smooth preceding feeding plate 3, preceding feeding plate 3 and rack 15 are provided between 1 right end of first roll shaft 9 and product pipeline
Connection, feeding plate 3 before product 2 can slip over, smoothly from product pipeline 1 enter the second roll shaft 4 and the first roll shaft 9 it
Between, preceding feeding plate 3 is formed by plate bending, left end tilts to left down.Light is provided between first roll shaft 9 and feeding unit material left end
Sliding rear feeding plate 5, rear feeding plate 5 are connect with rack 15, and product 2 can be by rear feeding plate 5 smoothly from 4 He of the second roll shaft
To on feeding unit material between first roll shaft 9, rear feeding plate 5 is formed by plate bending, left end tilts to left down.Preceding feeding plate 3
It is connect with rack 15 with rear feeding plate 5.
In fact, feeding unit material, weighing unit are belt conveyor, their belt speed v1Be 60 ms/min=
1 meter per second, length l of the belt of weighing conveyer 7 in product direction of advance3=200 millimeters, product pipeline 1 is also Belt Conveying
30 ms/min of machine, belt speed, multiple workers are put into unified standard to product pipeline 1 in the different station of product pipeline 1
Product 2, dispensing speed p=120=2/second per minute, product 2 be card board package product, 2 length l of product2=100 millimeters,
It does not accumulate up and down each other, but mutual spacing differs, the first roll shaft 9 and the second roll shaft 4 are drive roll, rotation drive device
For motor, that is, 4 one motor driven of each freedom of the first roll shaft 9 and the second roll shaft, motor are electrically connected that (motor can also with control cabinet
Controlled by other control systems), the uniform rubber of the uniform Jacket thickness of the second roll shaft 4 and 9 surface of the first roll shaft, control cabinet control
Second roll shaft 4 keeps the linear velocity of its periphery rubber consistent with the revolving speed of the first roll shaft 9, is v, and setting v meets: p × l2
< v < v1×l2/(l3+l2), that is, meter per second=15 m/min v=0.25 are arranged, through feeding in 0.2 meter per second < v <, 0.33 meter per second
The speed-raising of unit 8, zero spacing of the adjacent product 2 abutted of two pieces on product pipeline, which is pulled upward to spacing in feeding unit material, is
It 300 millimeters, realizes every time only on a product 2 on weighing unit, meets the weighing requirement of weighing unit.
If the not material issuance device of application scheme, product pipeline 1 directly docks feeding unit material, and product 2 is by product
Pipeline 1 directly on on feeding unit material, if there is the adjacent product 2 for abutting zero spacing of two pieces on product pipeline 1, this two
Part product 2 after the speed-raising of charging belt conveyer 8, only pull open to 100 millimeters by mutual spacing, inevitable while upper to weighing
On unit, weighing mistake is caused.
Embodiment 2: a kind of check weighing scale with material issuance device, place same as Example 1 repeat no more, such as the institute of Fig. 2 and 3
Show, the difference is that, upper surface of the axis of the second roll shaft 4 and the first roll shaft 9 perpendicular to feeding unit material, 4 and of the second roll shaft
The length of first roll shaft 9 is all larger than about 2 thickness of product, and it is that vertical shaft adjusts bracket 16 that roll shaft, which adjusts bracket, and vertical shaft adjusts bracket
16 include two pieces of transverse slats opposing upper and lower for being parallel to feeding unit material upper surface, there is the circle of installation 9 axis of the first roll shaft on transverse slat
Hole, the second roll shaft of installation and adjustment 4 strip-shaped hole, the left side of material issuance device is provided with fromer rail 11, fromer rail 11 and product
The product channels that pipeline 1 is enclosed include left part channel and right part channel, and left part channel is bell mouth shape grooved passageway, right
Portion channel is long groove shape, and right part channel is and the comparable cross-section smooth passage of product size；Fromer rail 11 is fixed on rack 15
On, it can also be fixed on product pipeline 1.Smooth and and feed material list is provided between the second roll shaft 4 and the first roll shaft 9
The retainer plate 10 of first same height in upper surface.Fromer rail 11 is oriented to product 2 in the channel that second roll shaft 4 and the first roll shaft 9 form,
As shown in Fig. 2 and 3, product 2 is come by the push of product pipeline 1, first on on retainer plate 10, then by the second roll shaft 4 and first
9 slight squeeze of roll shaft, rolling are shifted on feeding unit material, and retainer plate 10 is formed by plate bending, left end tilts down；Second roll shaft 4
Rear rail 12, the product channels that rear rail 12 and feeding unit material are enclosed are set with the right in the channel of the first roll shaft 9 composition
Including left part channel and right part channel, left part channel is bell mouth shape grooved passageway, and right part channel is long groove shape, and right part channel is
With the comparable cross-section smooth passage of product size；The product 2 come out from the channel that the second roll shaft 4 and the first roll shaft 9 form
It is oriented to feeding unit material, and is moved on weighing unit by unified posture.Retainer plate 10, rear rail 12 are connect with rack 15.
The guide rod or guide plate that fromer rail 11 is arranged symmetrically by a pair form.Rear rail 12 is led by what a pair was arranged symmetrically
It is formed to bar or guide plate.
Embodiment 3: a kind of check weighing scale with material issuance device, place same as Example 1 repeat no more, and difference exists
In as shown in Figures 4 and 5, feeding unit material is feeding slide plate 18, and object mobile platform is weighing slide plate 17, feeding slide plate 18, weighing
Slide plate 17 is not necessary to be electrically connected with control cabinet, and feeding slide plate 18, weighing slide plate 17, culling unit 6 are successively tilted from left to bottom right
The bottom surface of arrangement, feeding slide plate 18 is parallel with the weighing bottom surface of slide plate 17 and is α, 5 ° of 55 ° of < α <, feeding to horizontal plane inclination angle
Slide plate 18 can be smooth plates, or the smooth flat U slot slightly wider than product 2, left part bottom surface to left down bending,
Left part both side plate is in horn mouth left large and right small, is turned right again as cross-section groove body；First roll shaft, 9 left side is equipped with slide plate material guiding machine
Structure 19,19 right end bottom plate of slide plate material guide mechanism stretches out to the right, close to the first roll shaft 9 roll surface cylindrical surface the upper half, slide plate
Material guide mechanism 19 can be smooth plates, or the smooth flat-bottom slot slightly wider than product 2.Weighing slide plate 17 and feeding slide plate
18 use identical material.
Control cabinet the second roll shaft 4 of control is identical with the linear velocity v of the periphery of the first roll shaft 9 and meets following two simultaneously
A requirement:
1) p × l2< v < [ ((l3+l2)/T)2-a×(2×l1+l3-l2)+(a×T/2)2?1/2；
2) [ a × l2×l2× [ (2 × l1-l2+l3)-(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×(l3+2×
l2)1/2< v < [ a × l2×l2× [ (2 × l1-l2+l3)+(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×
(l3+2×l2)1/2；
Wherein, a is acceleration of the product on weighing slide plate 17 and feeding slide plate 18,
A=g × (sin α-μ × cos α), g is acceleration of gravity, μ is friction system of the product to weighing slide plate 17 and feeding slide plate 18
Number, α are angle of the weighing slide plate 17 to horizontal plane；
T is the minimum weighing time of the accurate weighing of the controller of check weighing scale；
l1For the length of feeding slide plate 18；l2For the length of product 2；l3For the length for slide plate 17 of weighing；
In experiment, g=9.8 meter per seconds/second, μ=0.1, α=30 °, l1=0.2 meter, l2=0.1 meter, l3=0.2 meter；T=0.1 second, p=2/
Second, it is obtained from above-mentioned two formula:
1) 0.2 meter per second < v <, 3.3 meter per second
2) 0.16 meter per second < v <, 0.48 meter per second
Take the meter per second of v=0.3.As a result, the product 2 that zero spacing is close together on slide plate material guide mechanism 19 is by two roll shaft rollings
It send after raising speed with feeding slide plate 18, not in the case where occurring while going up weighing platform of weighing on slide plate 17, weighing precision is protected,
Product 2 is when acceleration on slide plate 17 of weighing passes through and has enough pressure effects with response to weighing sensor 14 and control cabinet
Between.
Embodiment 4: a kind of check weighing scale with material issuance device, place same as Example 3 repeat no more, and difference exists
In as shown in fig. 6, feeding unit material is retainer feeding slide plate 28, the axis of the second roll shaft 4 and the first roll shaft 9 is perpendicular on retainer
Expect that the length of the upper surface of slide plate 28, the second roll shaft 4 and the first roll shaft 9 is all larger than about 2 thickness of product, roll shaft adjusts bracket and is
Vertical shaft adjusts bracket 16, and vertical shaft adjustment bracket 16 includes two pieces of cross opposing upper and lower for being parallel to 28 upper surface of retainer feeding slide plate
Board group is at having the strip-shaped hole of the installation circular hole of 9 axis of the first roll shaft, the second roll shaft of installation and adjustment 4, retainer feeding is sliding on transverse slat
18 structure of feeding slide plate is essentially identical in plate 28 and Fig. 5, and only left part bottom plate narrows, extends across the second roll shaft 4 and
The channel of one roll shaft 9 composition, docking skateboard material guide mechanism 19, slide plate material guide mechanism 19 are the smooth flat-bottom slot slightly wider than product 2.
Embodiment 5: a kind of check weighing scale with material issuance device, place same as Example 4 repeat no more, and difference exists
In as shown in fig. 7, feeding slide plate is the feeding slide plate 18 in Fig. 5, the feed mechanism on the roll shaft left side is slide plate guide material carrying mechanism
29, slide plate guide material carrying mechanism 29 and the slide plate material guide mechanism 19 in Fig. 6 are essentially identical, and difference is slide plate guide material carrying mechanism
29 right end bottom plate narrows, extends through the channel that the second roll shaft 4 and the first roll shaft 9 form to the right, docks feeding slide plate 18, very
Extremely become integral structure with feeding slide plate 18.
Claims (10)
1. a kind of check weighing scale with material issuance device, it includes the feeding unit material being from left to right sequentially arranged, weighing unit, further includes
Control cabinet, weighing unit are made of object mobile platform and weighing sensor connected to it, the upper surface of object mobile platform
Parallel with the upper surface of feeding unit material, weighing unit is connect by weighing sensor with rack, and feeding unit material is connect with rack, is claimed
It retransmits sensor to be electrically connected with control cabinet, characterized in that be additionally provided with material issuance device on the left side of feeding unit material, material issuance device includes
Roll shaft adjustment bracket and the second roll shaft and the first roll shaft being set on roll shaft adjustment bracket, the second roll shaft and the first roll shaft phase
To arrangement and parallel to each other, the plane where the axis of the first roll shaft and the second roll shaft is vertical with the upper surface of feeding unit material, and the
The axis of two roll shafts and the first roll shaft is perpendicular to the product traffic direction on feeding unit material upper surface, the second roll shaft and the first roll shaft
In at least one connection rotation drive device, rotation drive device is electrically connected with control cabinet；
Feeding unit material is charging belt conveyer, and object mobile platform is belt of weighing conveyer, charging belt conveyer, weighing
Belt conveyor is electrically connected with control cabinet respectively；
Control cabinet controls the second roll shaft and the periphery of the first roll shaft is run with identical linear velocity v, and v meets: p × l2< v <
v1×l2/(l3+l2), wherein v1For the belt speed of feeding unit material and weighing unit, l3It is belt of weighing conveyer before product
Into the length in direction, p is the dispensing speed of product pipeline, l2For product length.
2. the check weighing scale according to claim 1 with material issuance device, characterized in that the axis of the second roll shaft and the first roll shaft
It is parallel to the upper surface of feeding unit material, the length of the second roll shaft and the first roll shaft is all larger than product width, and the second roll shaft is located at the
The top of one roll shaft, the Upper cylindrical plane tangent of the upper surface of feeding unit material and the first roll shaft.
3. the check weighing scale according to claim 2 with material issuance device, characterized in that the first roll shaft and product pipeline right end
Between be provided with smooth preceding feeding plate, preceding feeding plate is connect with rack, preceding feeding plate forms by plate bending, left end to left down
Inclination；Smooth rear feeding plate is provided between first roll shaft and feeding unit material left end, rear feeding plate is connect with rack, rear feeding
Plate is formed by plate bending, left end tilts to left down.
4. the check weighing scale according to claim 1 with material issuance device, characterized in that the axis of the second roll shaft and the first roll shaft
Product or more thickness is all larger than perpendicular to the length of the upper surface of feeding unit material, the second roll shaft and the first roll shaft.
5. the check weighing scale according to claim 4 with material issuance device, characterized in that before the left side of material issuance device is provided with
The product channels that guide rail, fromer rail and product pipeline are enclosed include left part channel and right part channel, and left part channel is loudspeaker
Mouth shape grooved passageway, right part channel are long groove shape, and right part channel is and the comparable cross-section smooth passage of product size.
6. the check weighing scale according to claim 4 with material issuance device, characterized in that between the second roll shaft and the first roll shaft
It is provided with the retainer plate of height smooth and same as feeding unit material upper surface, retainer plate is formed by plate bending, left end is downward
Inclination.
7. a kind of check weighing scale with material issuance device, it includes the feeding unit material being from left to right sequentially arranged, weighing unit, further includes
Control cabinet, weighing unit are made of object mobile platform and weighing sensor connected to it, the upper surface of object mobile platform
Parallel with the upper surface of feeding unit material, weighing unit is connect by weighing sensor with rack, and feeding unit material is connect with rack, is claimed
It retransmits sensor to be electrically connected with control cabinet, characterized in that be additionally provided with material issuance device on the left side of feeding unit material, material issuance device includes
Roll shaft adjustment bracket and the second roll shaft and the first roll shaft being set on roll shaft adjustment bracket, the second roll shaft and the first roll shaft phase
To arrangement and parallel to each other, the plane where the axis of the first roll shaft and the second roll shaft is vertical with the upper surface of feeding unit material, and the
The axis of two roll shafts and the first roll shaft is perpendicular to the product traffic direction on feeding unit material upper surface；
Feeding unit material be feeding slide plate, object mobile platform be weighing slide plate, feeding slide plate, weighing slide plate from left to bottom right according to
The bottom surface of secondary inclination arrangement, feeding slide plate is parallel with the weighing bottom surface of slide plate and is α, 5 ° of 55 ° of < α < to horizontal plane inclination angle；
Control cabinet controls the second roll shaft and the periphery of the first roll shaft is run with identical linear velocity v, and v meets following two simultaneously
A requirement:
1) p × l2< v < [ ((l3+l2)/T)2-a×(2×l1+l3-l2)+(a×T/2)2?1/2；
2) [ a × l2×l2× [ (2 × l1-l2+l3)-(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×(l3+2×
l2)1/2< v < [ a × l2×l2× [ (2 × l1-l2+l3)+(4×(l1-l2)×(l1+l3)+l2×l2) 1/22 × l of ]/[3×
(l3+2×l2)1/2；
Wherein, a is acceleration of the product on weighing slide plate and feeding slide plate；
A=g × (sin α-μ × cos α), g is acceleration of gravity, μ is coefficient of friction, α of the product to weighing slide plate and feeding slide plate
It is weighing slide plate to the angle of horizontal plane；
T is the minimum weighing time of the accurate weighing of the controller of check weighing scale；
l1For the length of feeding slide plate；l2For the length of product；l3For the length for slide plate of weighing.
8. the check weighing scale according to claim 7 with material issuance device, characterized in that the axis of the second roll shaft and the first roll shaft
It is parallel to the upper surface of feeding slide plate, the length of the second roll shaft and the first roll shaft is all larger than product width, and the second roll shaft is located at the
The top of one roll shaft, the Upper cylindrical plane tangent of the upper surface of feeding slide plate and the first roll shaft, the second roll shaft and the first roll shaft
In at least one connect rotation drive device, rotation drive device is electrically connected with control cabinet.
9. the check weighing scale according to claim 7 with material issuance device, characterized in that the axis of the second roll shaft and the first roll shaft
Be all larger than product or more thickness perpendicular to the length of the upper surface of feeding slide plate, the second roll shaft and the first roll shaft, the second roll shaft with
At least one docking rotation drive device, rotation drive device are electrically connected with control cabinet in first roll shaft；Feeding slide plate left part
Bottom plate narrows, extends across the channel that the second roll shaft and the first roll shaft form.
10. the check weighing scale according to claim 7 with material issuance device, characterized in that the first roll shaft left end setting slide plate is led
Expect mechanism, slide plate material guide mechanism right end bottom plate narrows, extends through the channel that the second roll shaft and the first roll shaft form to the right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268800.6A CN109029653B (en) | 2018-10-29 | 2018-10-29 | Weight scale with material sending device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811268800.6A CN109029653B (en) | 2018-10-29 | 2018-10-29 | Weight scale with material sending device |
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| CN109029653B CN109029653B (en) | 2024-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811268800.6A Active CN109029653B (en) | 2018-10-29 | 2018-10-29 | Weight scale with material sending device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426110A (en) * | 2019-09-09 | 2019-11-08 | 山东西泰克仪器有限公司 | Slide plate weighing unit |
| CN113466241A (en) * | 2021-06-25 | 2021-10-01 | 滁州沃博自动化科技有限公司 | System for static detection product defects on visual detection belt conveyor |
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| CH528072A (en) * | 1971-01-18 | 1972-09-15 | Kloeckner Humboldt Deutz Ag | Belt conveyor scales, in particular weigh belt feeders |
| CN202471196U (en) * | 2011-12-22 | 2012-10-03 | 广东喜之郎集团有限公司 | Automatic weight checking device for product of multiple variety |
| CN104501923A (en) * | 2015-01-16 | 2015-04-08 | 山东西泰克仪器有限公司 | Check-weigher |
| CN204373752U (en) * | 2015-01-22 | 2015-06-03 | 山东西泰克仪器有限公司 | The checking weight weigh that slideway is weighed |
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| CN206590203U (en) * | 2017-03-14 | 2017-10-27 | 汤小牛 | Lower turning type weight sorts scale |
| CN208721211U (en) * | 2018-10-29 | 2019-04-09 | 山东西泰克仪器有限公司 | Check weighing scale with material issuance device |
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|---|---|---|---|---|
| CH528072A (en) * | 1971-01-18 | 1972-09-15 | Kloeckner Humboldt Deutz Ag | Belt conveyor scales, in particular weigh belt feeders |
| CN202471196U (en) * | 2011-12-22 | 2012-10-03 | 广东喜之郎集团有限公司 | Automatic weight checking device for product of multiple variety |
| CN104501923A (en) * | 2015-01-16 | 2015-04-08 | 山东西泰克仪器有限公司 | Check-weigher |
| CN204373752U (en) * | 2015-01-22 | 2015-06-03 | 山东西泰克仪器有限公司 | The checking weight weigh that slideway is weighed |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110426110A (en) * | 2019-09-09 | 2019-11-08 | 山东西泰克仪器有限公司 | Slide plate weighing unit |
| CN113466241A (en) * | 2021-06-25 | 2021-10-01 | 滁州沃博自动化科技有限公司 | System for static detection product defects on visual detection belt conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109029653B (en) | 2024-08-23 |
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