CN208223611U - The check weighing scale rejected with belt - Google Patents
The check weighing scale rejected with belt Download PDFInfo
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- CN208223611U CN208223611U CN201820892052.8U CN201820892052U CN208223611U CN 208223611 U CN208223611 U CN 208223611U CN 201820892052 U CN201820892052 U CN 201820892052U CN 208223611 U CN208223611 U CN 208223611U
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Abstract
A kind of check weighing scale rejected with belt, it includes rack and the dynamic weighing unit and control cabinet that are fixed on the rack, dynamic weighing unit is made of weighing sensor and the weighing platform connecting with weighing sensor carrying force side, the fixing end of weighing sensor is fixed on the rack, it is characterized in that further including rejecting belt conveyor, rejecting belt conveyor and weighing sensor are electrically connected with control cabinet, the angle of the projection of the discharging direction of dynamic weighing unit and the qualified product discharging direction of rejecting belt conveyor in the horizontal plane is P, 45 °≤P≤135 °, the discharging open height of dynamic weighing unit is higher than the belt of rejecting belt conveyor.
Description
Technical field
This application involves automatic weighting fields, more particularly to for the check weighing removal equipment of the object with thin edges.
Background technique
In the productions such as food, drug, health care product, chemical product, electronics hardware or packaging process, it is often necessary to packaged
Article carries out automation weight check by production standard and metrological legislation, and many situations use check weighing scale.
Current check weighing scale is all made of feeding unit material, weighing unit, culling unit, and head and the tail closely connect each other,
In one line, the qualified product being weighed in object moves along a straight line during entire weighing is with rejecting to be set into subsequent conveying
Standby or qualified product basket, rejected product are removed the two sides of conveyor belt.Rejecting mechanism cannot be on dynamic weighing unit directly
Installation, rejecting movement cannot directly carry out on dynamic weighing unit, otherwise, the meeting subsequent weighing accuracy of severe jamming, or even damage
Bad weighing sensor.Generally, culling unit all by independently of weighing sensor belt conveyor and rejecting mechanism (scraper plate pushes away
Bar, gas nozzle, turnover panel etc.) composition, qualified products are forward with the belt of culling unit, and substandard product, which is removed, rejects belt
Side.
Many articles have multiple thin edges, and the bagged products that such as three edge sealing packing machines or four edge sealing packing machines produce have three
A or four thin soft edges, there are four thin soft edges for the tool such as facial mask, eye sticker, plaster, and more pills or capsule are by aluminium foil and modeling
There are four the thin hard edges with product bottom surface in the same plane for the medicine plate tool that material pressing is packaged into.
For with thin edges product check weighing reject, the prior art because feeding unit material, weighing unit, culling unit that
This head and the tail closely connects, in one line, has the disadvantage that
1, culling unit is made of belt conveyor and rejecting mechanism, the manufacture of the rejecting mechanisms such as push rod, turnover panel, scraper plate,
Maintenance cost is high；Gas nozzle can blow object disorderly fly, air-blowing noise is very big, it is also necessary to configure gas source.
2, the recoil of the rejecting mechanisms such as push rod, scraper plate movement influences weighing precision by rack, and air-blowing passes through air shadow
Ring weighing precision.
3, weighing precision may be seriously affected when executing rejecting movement due to scraper plate, push rod, gas nozzle, turnover panel etc., they
Need to be mounted on the rear portion for the separate weighing platform for rejecting belt far from weighing platform, these result in rejecting and are transported with belt of belt conveyor
The length of line direction will be much larger than the width of belt；So weighing unit is connect with culling unit head and the tail, occupancy is directly resulted in
Linear space is larger.
4, the adaptability of rejecting mechanism is bad, and the product with thin edges is in scraper plate, the push rod for being rotated or being moved along a straight line
When rejecting, thin edges are easy to be sandwiched between scraper plate or push rod and conveyor belt, cause to reject operation failure, while usually band
Carry out the damage of product, belt；Gas nozzle turns over turnover panel usually misalignment object, is unsuitable for very light, cracking object；Under double plate
The quick object of upper surface because inertia can not short distance fall.
Utility model content
In view of the deficiency of the prior art, the application proposes a kind of check weighing scale rejected with belt, before abandoning completely
State the rejecting mechanisms such as scraper plate, push rod, gas nozzle, turnover panel, allow execute rejecting task belt conveyor Belt Conveying direction and scale
The angle of the projection of platform discharging direction in the horizontal plane is 45 ° -135 °, so that object is obtained two on the contrary by the positive and negative rotation of belt
Export direction, allow a belt conveyor can complete the object received from weighing platform alone and complete qualified product with not
The conveying of qualified product with separate.
The utility model is as follows: a kind of check weighing scale rejected with belt, it includes rack and is fixed on the rack
Dynamic weighing unit and control cabinet, dynamic weighing unit connect by weighing sensor and with weighing sensor carrying force side
Weighing platform composition, the fixing end of weighing sensor are fixed on the rack, it is characterized in that further including rejecting belt conveyor, are rejected and are used
Belt conveyor and weighing sensor are electrically connected with control cabinet, the discharging direction and rejecting Belt Conveying of dynamic weighing unit
The angle of the projection of the qualified product discharging direction of machine in the horizontal plane is P, 45 °≤P≤135 °, the discharging of dynamic weighing unit
Open height is higher than the belt of rejecting belt conveyor.
The conveying task of positive and negative both direction is realized in rejecting with belt conveyor under the control of control cabinet；Though it is qualified with
No, the trend of object is no longer parallel to the discharging direction of dynamic weighing unit after weighing, weight value it is qualified in rejecting belt
Walked on conveyer along qualified product direction, weight value it is underproof on rejecting belt conveyor along rejected product direction
It walks, the both ends of rejecting belt conveyor must there are the spaces for placing splicing frame or the subsequent conveying apparatus of placement；Dynamically
Height at the correspondence object drop point for the belt that the discharging open height of weighing unit is higher than rejecting belt conveyor；Difference in height palpus
Rejecting belt conveyor can be moved on to from the thrust of weighing platform or itself potential energy and motional inertia unobstructedly by ensuring that object is relied on
On, it also must ensure to prevent the belt lower surface of the relatively thin edges insertion rejecting belt conveyor of object.
The characteristics of the utility model in addition, for convenience of rejecting belt conveyor can fast speed belt animal body it is mobile, reject and use
The belt upper surface of belt conveyor is evenly equipped with equidistant Turbogrid plates along strap circumference, and the distance between Turbogrid plates, which are greater than, to be weighed
The full-size of object, the height of Turbogrid plates is greater than the height for being weighed object or belt upper surface setting glue, grid are convex
It rises.
It is equipped with striker plate in the side of the separate weighing platform of rejecting belt conveyor, prevents object from going out belt.
The weighing platform of dynamic weighing unit is made of belt conveyor.
The belt conveyor of dynamic weighing unit and rejecting are arranged horizontally with belt conveyor.
It there also is provided feeding slideway before the feeding end of the weighing platform of dynamic weighing unit.
Feeding slideway is comb structure close to weighing platform part, and comb point makes fine bulk material drain to feeding sliding towards weighing platform
It is gone below road, bulk cargo is greatly decreased and is flushed on weighing platform, reduce the influence to weighing precision.
The weighing platform front end of dynamic weighing unit is provided with photoelectric detection system, photoelectric detection system is electrically connected with control cabinet
It connects.If object lateral dimensions compare the narrower width of smooth slideway, multiple light can be set in the width direction of feeding slideway
Electric detection means, it is ensured that 100% is detected when object passes through.
Photoelectric detection system detects object, issues weighing ready signal to control cabinet, control cabinet is true according to belt speed
At the time of arriving rejecting belt conveyor on earnest body.Rejecting belt conveyor is according to the weight value and qualified product standard of object
Weight range determines the direction of transfer of belt, namely determine the rotation direction of belt driving motor, realizes weight sorting with this；
The time that the belt speed setting of rejecting belt conveyor need to ensure object to move out rejecting belt should be less than weighing process
In former and later two objects time interval.
Rejecting is fixed on the rack with belt conveyor.
The weighing platform of dynamic weighing unit is slide plate.
Slide plate is inclined relative to horizontal arrangement, and belt conveyor is used close to rejecting in the lower end of slide plate.Object is from slideway
It weighs and glides simultaneously, finally slide on the belt of rejecting belt conveyor.
The beneficial effects of the utility model are: the discharging direction of dynamic weighing unit and the rejecting qualification of belt conveyor
The angle of the projection of product discharging direction in the horizontal plane is P, and 45 °≤P≤135 °, rejecting is no longer first with weighing platform with belt conveyor
Tail is connected, is in one line, and the belt of rejecting belt conveyor can compare existing skill by rotating forward, inverting come go-no-go object
Art, the utility model occur following the utility model has the advantages that no longer needing the rejecting mechanisms such as scraper plate, push rod, gas nozzle, turnover panel, manufacture, dimension
Protect at low cost, use cost is low, is not required to gas source, no aerodynamic noise.Due to reject belt it is very light, compared to scraper plate, push rod, gas nozzle,
Turnover panel, rotary inertia very little, the more not no linear inertia momentum of rejecting mechanism, so, reject the driving electricity with belt conveyor
The positive and negative rotation switching torque of machine is very small to rack impact, greatly reduces the large inertias rejecting mechanism pair such as scraper plate, push rod, turnover panel
The influence of rack and weighing sensor reduces the recoil of gas nozzle and the influence by air to weighing platform, and weighing precision is more
It is high.Live occupied space is substantially saved, and the total length of check weighing scale substantially reduces, and is suitable for various small space situations.It can pack
Machine discharge port lower part is mounted directly the utility model device, or even connects material unit and can save, and object falls directly on inclination
Feeding device on.Reject the more adaptable of various objects, equipment dependability is higher: the product with thin edges will not be pressed from both sides
Between scraper plate or push rod and conveyor belt, causes to reject operation failure, more will not therefore bring the damage of product, belt.It allows
The Belt Conveying poor direction of belt conveyor makes object obtain two opposite outlets against weighing platform, by the positive and negative rotation of belt
One belt conveyor can be completed the object received from weighing platform alone and complete qualified product and rejected product in direction
Separation conveying.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the embodiment 1 for the check weighing scale rejected with belt.Fig. 2 is to be rejected in Fig. 1 with belt
Check weighing scale front view.Fig. 3 is the left view of Fig. 2.Fig. 4 is the top view of Fig. 2.Fig. 5 be the utility model embodiment 2 just
View.Fig. 6 is the top view of Fig. 5.
In figure: 1- weighing platform, 2-, which is rejected, uses belt conveyor, 3- weighing sensor, 4- rack, 5- striker plate, 6- control cabinet,
7- feeding slideway, 8- photoelectric detection system, 9- object, 10- slide plate, 11- Turbogrid plates.Arrow A is the discharging of dynamic weighing unit
Direction；Arrow B is qualified product discharging direction；Arrow C is rejected product discharging direction, P be arrow A and arrow B in the horizontal plane
Projection angle.
Specific embodiment
Embodiment 1: see Fig. 1-4, a kind of check weighing scale rejected with belt, it includes rack 4 and is fixed in rack 4
Dynamic weighing unit and control cabinet 6, dynamic weighing unit are connect by weighing sensor 6 and with the carrying of weighing sensor 6 force side
Weighing platform 4 form, it further includes rejecting belt conveyor 2 that the fixing end of weighing sensor 3, which is fixed in rack 4, rejecting use skin
Band conveyer 2 and weighing sensor 3 are electrically connected with control cabinet 6, and the discharging direction of dynamic weighing unit and rejecting are defeated with belt
The angle for sending the projection of the qualified product discharging direction of machine 2 in the horizontal plane is P, and 45 °≤P≤135 °, dynamic weighing unit goes out
Material mouth height is higher than the belt of rejecting belt conveyor 2.
The conveying task of positive and negative both direction is realized in rejecting with belt conveyor 2 under the control of control cabinet 6；No matter qualified
Whether, the trend of object 9 is no longer parallel to the discharging direction of dynamic weighing unit after weighing, weight value it is qualified in rejecting skin
Band conveyer 2 on walked along qualified product direction, weight value it is underproof rejecting on belt conveyor 2 along rejected product side
To walking, the both ends of rejecting belt conveyor 2 must there are the spaces for placing splicing frame or the subsequent conveying apparatus of placement；It is dynamic
The discharging open height of state weighing unit is higher than the height at the correspondence object drop point of the rejecting belt of belt conveyor 2；Highly
Difference must ensure that thrust or itself potential energy and motional inertia of the dependence of object 9 from weighing platform 1 can move on to rejecting belt unobstructedly
On conveyer 2, it also must ensure to prevent the belt lower surface of the relatively thin edges insertion rejecting belt conveyor 2 of object.
See that Fig. 4, arrow A are the discharging direction of dynamic weighing unit, i.e., the traffic direction of object 9 on weighing platform 1；Arrow B is
Qualified product discharging direction, that is, object 9 is in traffic direction of the rejecting on belt conveyor 2 when weight value qualification；Arrow C is not
Qualified product discharging direction, that is, object 9 is in traffic direction of the rejecting on belt conveyor 2 when weight is unqualified；P be arrow A with
The angle of the projection of arrow B in the horizontal plane, that is, the discharging direction of dynamic weighing unit and the conjunction of rejecting belt conveyor 2
The angle of the projection of lattice product discharging direction in the horizontal plane；
The discharging direction A of dynamic weighing unit and rejecting use the qualified product discharging direction of belt conveyor 2 in the horizontal plane
The angle of projection be P, 45 °≤P≤135 °, in the present embodiment, P=90 °；The trend of object 9 changes after weighing, weight
Magnitude is qualified to be walked on belt conveyor 2 along the direction B in rejecting, and weight value is underproof in rejecting belt conveyor 2
On walked along the direction C, the both ends of rejecting belt conveyor 2 must there are place splicing frame or the subsequent conveying apparatus of placement
Space；The discharging open height of dynamic weighing unit is higher than at the correspondence object drop point of the rejecting belt of belt conveyor 2
Highly, difference in height must ensure that thrust or itself potential energy and motional inertia of the dependence of object 9 from weighing platform 1 can move on to unobstructedly
Reject the belt lower surface with the relatively thin edges insertion rejecting belt conveyor 2 that on belt conveyor 2, must also prevent object 9.
For convenience of rejecting belt conveyor 2 can fast speed belt animal body it is mobile, it is convex that glue, grid is arranged in belt upper surface
It rises, or carries out other surface treatments for increasing coefficient of friction.
It is equipped with striker plate 5 in the side of the separate weighing platform 1 of rejecting belt conveyor 2, prevents object 9 from going out belt.
The weighing platform 1 of dynamic weighing unit is made of belt conveyor.The belt conveyor of dynamic weighing unit and rejecting are used
Belt conveyor 2 is arranged horizontally.
The arranged in front at the feeding end of the weighing platform 1 of dynamic weighing unit has feeding slideway 7.Feeding slideway 7 is close to weighing platform 1
It is divided into comb structure, comb point drains to fine bulk material below feeding slideway 7 and go towards weighing platform, and bulk cargo punching is greatly decreased
Onto weighing platform 1, the influence to weighing precision is reduced.
1 front end of weighing platform of dynamic weighing unit is provided with photoelectric detection system 8, and photoelectric detection system 8 is electrically connected with control cabinet 6
It connects.If 9 lateral dimension of object compares the narrower width of smooth slideway 7, can be arranged in the width direction of feeding slideway 7 multiple
Photoelectric detection system 8, it is ensured that can be detected when object 9 leaves feeding slideway 7 with 100%.
Photoelectric detection system 8 detects object 9, issues weighing ready signal to control cabinet 6, control cabinet 6 is according to belt speed
At the time of arriving rejecting belt conveyor 2 on the determining object 9 of degree.Rejecting is with belt conveyor 2 according to the weight value and conjunction of object 9
Lattice product standard weights range determines the direction of transfer of belt, namely determines the rotation direction of belt driving motor.General setting: edge
The direction arrow B is set as qualified product direction, and the direction arrow C is rejected product direction.That is, rejecting is with belt conveyor 2 according to weight
Magnitude determines the rotation direction of belt, if qualified, drive belt keeps object 9 mobile to the direction B, if unqualified, makes object 9
It is mobile to the direction C.The belt speed of rejecting belt conveyor 2 is arranged it is ensured that object 9 is moved out rejecting Belt Conveying
The time of machine 2 should be less than the time interval of former and later two objects in weighing process.Rejecting belt conveyor 2 is fixed on rack 4
On.
For the long 90mm wide for the vertical particles packing machine production of three bandings that Tianjin San Qiao package packing machine Co., Ltd produces
The small pack 9 of the plastics of 60mm weight 6g, 80 packets of speed/minute, discharge open height 310mm, the pan feeding of the feeding slideway 7 of the present embodiment
Open height is 305mm, long 150mm wide 150mm, comb length 40mm, 2 photoelectric detection systems 8, the Belt Conveying of weighing unit
1 width 120mm long 250mm of machine, belt speed 30m/ minutes, the belt conveyor of weighing unit and rejecting were equal with belt conveyor 2
It is arranged horizontally, rejects and use 2 width 120mm long 250mm of belt conveyor, highly than the low 10mm of the belt conveyor of weighing unit 1,
The discharging direction angle of the belt conveyor 1 in the qualified product direction and weighing unit of rejecting belt conveyor 2 is 90 °, is rejected
Striker plate 5, height 30mm, belt speed 50 are equipped with the side of the belt conveyor 1 of the separate weighing unit of belt conveyor 2
M/min, the SCW-PLAC6000 check weighing scale control module that control cabinet 6 is produced using Shandong SeTAQ Instruments Co., Ltd. can be with
Control the belt positive and negative rotation of rejecting belt conveyor 2.As a result, weighing precision reaches 0.03g, qualified product is along the arrow side B
To movement, rejected product is moved along arrow C, is rejected accuracy and is reached 100%.And the scheme of the prior art is the skin of culling unit
Band conveyor lengths at least 400mm, the rejecting mechanisms such as scraper plate, push rod, gas nozzle, turnover panel are necessarily mounted at the later half of 400mm length
Portion, weighing precision only have 0.05g, and since three sides of object 9 are soft thin edges, scraper plate, push rod are often because material folding causes to reject
Failure, and turnover panel and air-blowing cause weighing precision sometimes worse and usually blow inaccurate.
Embodiment 2: a kind of check weighing scale rejected with belt is shown in that Figures 5 and 6, place same as Example 1 repeat no more, no
It is with place, the weighing platform of dynamic weighing unit is slide plate 10.
Slide plate 10 tilts horizontal plane, and the close rejecting of slide plate 10 is lower end with the end of belt conveyor 2.
Object 9 weighs and glides simultaneously from slide plate 10, finally slides on the belt of rejecting belt conveyor 2.It rejects
Equidistant Turbogrid plates 11 are evenly equipped with along strap circumference with the belt upper surface of belt conveyor 2, the height of Turbogrid plates 11 is greater than object
The height of body 9, the width of Turbogrid plates 11 are greater than the full-size of object 9, and the spacing between Turbogrid plates 11 is greater than 9 objects most
Large scale, object 9 are fallen between two adjacent Turbogrid plates, are rejected and are pushed object with Turbogrid plates 11 when 2 positive and negative rotation of belt conveyor
Body 9 is mobile.
Claims (9)
1. a kind of check weighing scale rejected with belt, it includes rack and the dynamic weighing unit being fixed on the rack and control
Cabinet, dynamic weighing unit are made of weighing sensor and the weighing platform connecting with weighing sensor carrying force side, weighing sensor
Fixing end be fixed on the rack, it is characterized in that further include rejecting belt conveyor, reject and passed with belt conveyor and weighing
Sensor is electrically connected with control cabinet, the discharging direction of dynamic weighing unit and the qualified product discharging direction of rejecting belt conveyor
The angle of projection in the horizontal plane is P, and 45 °≤P≤135 °, the discharging open height of dynamic weighing unit is higher than rejecting skin
Belt with conveyer.
2. the check weighing scale according to claim 1 rejected with belt, it is characterized in that in the separate of rejecting belt conveyor
The side of weighing platform is equipped with striker plate.
3. the check weighing scale according to claim 1 rejected with belt, it is characterized in that the weighing platform of dynamic weighing unit is by belt
Conveying mechanism is at the belt conveyor of dynamic weighing unit and rejecting are arranged horizontally with belt conveyor.
4. the check weighing scale according to claim 1 rejected with belt, it is characterized in that the feeding of the weighing platform of dynamic weighing unit
It there also is provided feeding slideway before end.
5. the check weighing scale according to claim 4 rejected with belt, it is characterized in that feeding slideway is comb close to weighing platform part
Sub- shape structure, comb point is towards weighing platform.
6. the check weighing scale according to claim 1 rejected with belt, it is characterized in that the weighing platform front end of dynamic weighing unit is set
It is equipped at least one photoelectric detection system, photoelectric detection system is electrically connected with control cabinet.
7. the check weighing scale according to claim 1 rejected with belt, it is characterized in that the weighing platform of dynamic weighing unit is slide plate.
8. the check weighing scale according to claim 7 rejected with belt, it is characterized in that slide plate is inclined relative to horizontal arrangement,
Belt conveyor is used close to rejecting in the lower end of slide plate.
9. the check weighing scale according to claim 1 rejected with belt, it is characterized in that rejecting is fixed on machine with belt conveyor
On frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892052.8U CN208223611U (en) | 2018-06-11 | 2018-06-11 | The check weighing scale rejected with belt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892052.8U CN208223611U (en) | 2018-06-11 | 2018-06-11 | The check weighing scale rejected with belt |
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| Publication Number | Publication Date |
|---|---|
| CN208223611U true CN208223611U (en) | 2018-12-11 |
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ID=64504981
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820892052.8U Active CN208223611U (en) | 2018-06-11 | 2018-06-11 | The check weighing scale rejected with belt |
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| Country | Link |
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| CN (1) | CN208223611U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499912A (en) * | 2018-12-29 | 2019-03-22 | 上海多科电子科技有限公司 | Weight detector and weight detecting select method |
| CN110575967A (en) * | 2019-09-12 | 2019-12-17 | 美力厨具设备有限公司 | Automatic weight detecting and screening machine capable of weakening impact force |
| CN111174879A (en) * | 2020-02-24 | 2020-05-19 | 上海群町智能科技有限公司 | Small product weighing device |
-
2018
- 2018-06-11 CN CN201820892052.8U patent/CN208223611U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109499912A (en) * | 2018-12-29 | 2019-03-22 | 上海多科电子科技有限公司 | Weight detector and weight detecting select method |
| CN110575967A (en) * | 2019-09-12 | 2019-12-17 | 美力厨具设备有限公司 | Automatic weight detecting and screening machine capable of weakening impact force |
| CN111174879A (en) * | 2020-02-24 | 2020-05-19 | 上海群町智能科技有限公司 | Small product weighing device |
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