CN109941774B - Multi-channel metering machine - Google Patents
Multi-channel metering machine Download PDFInfo
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- CN109941774B CN109941774B CN201910314945.3A CN201910314945A CN109941774B CN 109941774 B CN109941774 B CN 109941774B CN 201910314945 A CN201910314945 A CN 201910314945A CN 109941774 B CN109941774 B CN 109941774B
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Abstract
The invention provides a multi-channel metering machine which comprises a lifting turnover machine for lifting and pouring materials to be weighed into a storage bin, wherein the bottom of the storage bin is provided with a plurality of discharge ports, a roller feeding mechanism is arranged below each discharge port of the storage bin, a metering hopper is arranged below each roller feeding mechanism, a material cup capable of sliding on a transfer mechanism is arranged below a qualified material discharge port of each metering hopper, and a chute is arranged below an unqualified material discharge port of each metering hopper. The weighing and metering device can improve the weighing and metering efficiency, increase the weighing and metering accuracy and simultaneously ensure the safety and environmental protection of the production environment.
Description
Technical Field
The invention relates to material conveying and weighing, in particular to a multi-channel metering machine.
Background
In industrial production, powder processing usually has strict requirements on the weight of powder, and the existing powder processing equipment adopts a conveying device to convey powder to a storage bin, and controls the conveying device to stop running when the required weight of the powder is reached. After the conveying device stops operating, part of powder can continuously move forward for a certain distance due to inertia and continuously fall into the storage bin, so that the actual powder weight in the storage bin and the required powder weight still have deviation after the conveying device stops operating.
The structure of the bin with the spiral conveying structure is mainly that the spiral conveying structure with the spiral blades and driven by a driving mechanism is arranged in the bin, the spiral conveying structure conveys materials to an outlet of the bin through the rotating spiral blades of the spiral conveying structure, and the materials are discharged out of the bin from the outlet. The existing storage bin is only provided with a discharge port, and the spiral blade structure is used for conveying materials in the storage bin to the discharge port. This kind of feed bin that only has a discharge gate, often discharging efficiency is not high, if need improve discharging efficiency and increase a plurality of discharge gates, then how a plurality of discharge gates have realized even quick ejection of compact with the cooperation of auger delivery structure and also the problem that awaits the solution urgently.
In addition, feeding is an important link for packaging, metering and proportioning materials and quantitatively metering materials in the fields of grain and oil, feed, food, beverage, chemical industry, medicine, pesticide and the like. At present, vibration feeding, belt feeding, impeller feeding and spiral feeding are generally adopted in packaging and metering feeding at home and abroad.
The existing impeller feeding mechanism is mainly characterized in that an impeller driven by a driving mechanism is arranged in a storage bin, materials are conveyed to an outlet of the storage bin to be discharged through rotation of the impeller, the driving mechanism is required to be shut down to stop rotation of the impeller once the discharging is finished, the outlet of the storage bin is required to be shut down, the continuous discharging is avoided, and the structure is complex and the operation is also troublesome.
Disclosure of Invention
The invention aims to provide a multi-channel metering machine, which mainly solves the problems in the prior art, can improve the efficiency and the accuracy of weighing and metering, and simultaneously ensures the safety and the environmental protection of the production environment.
In order to achieve the purpose, the invention adopts the technical scheme that:
a multi-channel metering machine is characterized in that: it includes that the material that will wait to weigh promotes and pours into the promotion upset machine of storage silo into, and the bottom of this storage silo has a plurality of discharge gates, and each discharge gate below of this storage silo all sets up a cylinder feed mechanism, and each cylinder feed mechanism below respectively is provided with the weighing hopper, and the qualified material discharge gate below of this weighing hopper is for can carrying the gliding cup on moving the mechanism, and the unqualified material discharge gate below of this weighing hopper has the chute.
The multichannel metering machine is characterized in that: the roller feeding mechanism is driven by the variable frequency motor to feed materials into the weighing hopper below the roller feeding mechanism in a quantitative and accurate manner at a high speed and a low speed.
The multichannel metering machine is characterized in that: the transfer mechanism is a carrier platform which is powered by a servo motor and driven by a guide rail and a slide block.
The multichannel metering machine is characterized in that: an unqualified material box is arranged below the chute, and materials in the unqualified material box are conveyed into the storage bin through the lifting turnover machine.
The multichannel metering machine is characterized in that: the storage bin, the lifting turnover machine, the roller feeding mechanism, the measuring hopper, the material cup, the transfer mechanism and the chute are all arranged in the shell; a first dust removal valve is arranged on the shell between the storage bin and the lifting turnover machine (200), and a second dust removal valve is arranged on the shell near the weighing hopper.
The multichannel metering machine is characterized in that: the storage bin comprises a bin and a spiral conveying structure which is arranged in the bin and is driven by a driving mechanism and provided with a spiral blade; a plurality of discharge ports are distributed at the bottom of the storage bin; the spiral conveying structure comprises inner-layer spiral blades arranged on a main shaft and used for pushing materials to two sides of a storage bin uniformly, and outer-layer spiral blades arranged on the main shaft and used for pushing the materials into discharge ports, wherein the outer edges of the outer-layer spiral blades are close to the bottom of the storage bin.
The multichannel metering machine is characterized in that: the bottom in the storage bin is a circular arc-shaped bottom surface corresponding to the outer edge of the outer layer helical blade.
The multichannel metering machine is characterized in that: each discharge port at the bottom of the storage bin is respectively connected with a discharge channel, each discharge channel is provided with an impeller, and the impeller is driven by a rotary driving mechanism to rotate and is arranged in the discharge channel; this impeller includes the axis of rotation and connects a plurality of blades in the axis of rotation, and this axis of rotation setting is put at discharging channel's central point, and certain blade outwards extends and can seal discharging channel's half from the junction with the axis of rotation, and the opposite side that this axis of rotation corresponds to the junction of this blade also has outwards extends and can seal discharging channel's half blade.
The multichannel metering machine is characterized in that: the two ends of the rotating shaft of the impeller are arranged on the discharging channel in a penetrating mode through the flanging shaft sleeves, one end of the rotating shaft is connected with the locking ring, and the other end of the rotating shaft is connected with the rotary driving mechanism.
The multichannel metering machine is characterized in that: the rotary driving mechanism is a chain wheel mechanism; the chain wheel mechanism comprises a driving chain wheel and a driven chain wheel which are driven by a motor, the driving chain wheel and the driven chain wheel are connected through a chain, and the driven chain wheel is connected to a rotating shaft.
The multichannel metering machine is characterized in that: the chain wheel mechanism is provided with an outer cover, and the driving chain wheel, the driven chain wheel and the chain are all arranged in the outer cover.
In view of the above technical features, the present invention has the following advantages:
1. when the multi-channel metering machine is used, materials are lifted by the lifting turnover machine and poured into the feeding hole of the storage bin through turnover operation; the storage bin uniformly feeds materials into a roller feeding mechanism below through each discharge hole by a special structure described later, and the roller feeding mechanism firstly feeds the materials into a weighing hopper below in a fast, then slow, quantitative and accurate manner under the driving of a variable frequency motor; weighing the added materials by a weighing sensor of the weighing hopper, judging whether the added materials reach the target weight, and stopping feeding when the added materials reach the target weight; after the feeding is stopped, the system judges whether the materials of the weighing hoppers are qualified or not according to the weight fed back by the weighing hoppers; if the materials are qualified, discharging the materials into a material cup below the material cup, and if the materials are not qualified, discharging the materials into a chute. The metering device is particularly suitable for metering mixed powder in the friction material industry, and has the advantages of accurate metering and high production efficiency.
2. When the storage bin is used, the driving mechanism drives the main shaft to rotate, the inner layer helical blade pushes materials falling into the storage bin to two sides of the storage bin uniformly, and the outer layer helical blade pushes the materials into each discharge port to realize multi-outlet uniform discharge, so that the discharge efficiency of the storage bin is improved, and the discharge ports are relatively uniformly discharged.
3. The driving mechanism of the feeding mechanism of the storage bin can drive the impeller to rotate and stop. When the impeller continuously rotates, the material can be fed downwards, and when the impeller is controlled to be positioned at the position by the driving mechanism when a pair of blades (one blade is closed by a half) completely close the discharging channel, the function of sealing and locking the bin is achieved.
Drawings
FIG. 1 is a schematic diagram of the configuration of the multi-channel meter of the present invention.
FIG. 2 is a schematic front view of the storage silo of the present invention.
Fig. 3 is a top view of fig. 2.
Fig. 4 is a left side view of fig. 2.
FIG. 5 is a schematic structural diagram of the feeding mechanism arrangement of the storage silo in the invention.
Fig. 6 is a right side view of fig. 5.
Fig. 7 is a front sectional view of the feeding mechanism.
Fig. 8 is a longitudinal sectional view of fig. 7.
In the figure: 100-storage bin, 200-lifting turnover machine, 300-roller feeding mechanism, 400-weighing hopper, 500-material cup, 600-transfer mechanism, 700-chute, 800-first dust removal valve, 900-second dust removal valve, 1-storage bin, 11-discharge channel, 11, 2-impeller, 21-rotating shaft, 22-blade, 3-flanging shaft sleeve, 4-locking ring, 5-chain wheel mechanism, 51-driving chain wheel, 52-driven chain wheel, 53-chain, 54-outer cover, 6-spindle, 7-inner layer helical blade, 8-outer layer helical blade, 9-spindle driving motor, 1001, 1002-control cabinet.
Detailed Description
The invention will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Referring to fig. 1, the present invention discloses a multi-channel meter. As shown in the figure: it includes and will wait to weigh material promotion and pour into the promotion upset machine 200 of storage silo 100, the bottom of this storage silo 100 has a plurality of discharge gates (four discharge gates are called the four-way, six discharge gates are called the six-channel, analogize in proper order), each discharge gate below of this storage silo 100 all sets up a cylinder feed mechanism 300, each cylinder feed mechanism 300 below respectively is provided with weighing hopper 400, this weighing hopper 400's certified materials discharge gate below is for can moving the gliding cup 500 on moving mechanism 600, this weighing hopper 400's unqualified materials discharge gate below has chute 700.
When the multi-channel metering machine is used, materials are lifted by the lifting turnover machine 200 and poured into the feeding hole of the storage bin 100 through turnover operation; the storage bin 100 uniformly feeds the materials into the lower roller feeding mechanism 300 through each discharge port through a special structure described later, and the roller feeding mechanism 300 is driven by a variable frequency motor to feed the materials into the lower weighing hopper 400 in a quantitative and accurate manner at a high speed and a low speed; the weighing sensor of the weighing hopper 400 weighs the added material and judges whether the weight of the added material reaches the target weight, and the feeding is stopped when the weight of the added material reaches the target weight; after the feeding is stopped, the system judges whether the materials of the weighing hoppers are qualified or not according to the weight fed back by the weighing hoppers; if the materials are qualified, the materials are discharged into the material cup 500 below, and if the materials are not qualified, the materials are discharged into the chute.
In the present invention, the transfer mechanism 600 is powered by a servo motor, and can be moved to the origin, the material cup position, or the material position of the defective material by a stage driven by a guide rail and a slider.
In the invention, an unqualified bin is arranged below the chute 700, and the materials in the unqualified bin are conveyed into the storage bin 100 through the lifting turnover machine 200.
In order to realize the environmental protection of the production environment, the storage bin 100, the lifting turnover machine 200, the roller feeding mechanism 300, the weighing hopper 400, the material cup 500, the transferring mechanism 600 and the chute 700 are all arranged in the shell; a first dust removal valve 800 is provided on the housing between the storage bin 100 and the lift-tipper 200, and a second dust removal valve 900 is provided on the housing near the weighing hopper 400. The two positions are positions where the materials are easy to generate dust, so that the production environment can be effectively protected, and the service life of the equipment is prolonged.
Referring to fig. 2-4, the present invention further discloses a storage bin. As shown in the figure: the spiral conveying device comprises a storage bin 1 and a spiral conveying structure which is arranged in the storage bin 1 and is driven by a driving mechanism (such as a main shaft driving motor 9) and provided with a spiral blade; the method is characterized in that: a plurality of discharge ports are distributed at the bottom of the storage bin 1; this auger delivery structure is including setting up the inlayer helical blade 7 that is used for pushing the material evenly to feed bin both sides on main shaft 6 to and set up the outer helical blade 8 that is used for pushing the material into each discharge gate on main shaft 6, the outer fringe of this outer helical blade 8 is close to the bottom of feed bin 1.
In the present invention, the main shaft 6 may be coupled to a driving structure of a chain wheel and a gear through a main shaft driving motor 9, and the gear is disposed on the main shaft 6.
During the use, actuating mechanism drive main shaft 6 is rotatory, and inner helical blade 7 evenly pushes the material that falls into in feed bin 1 to the feed bin both sides (material pushing direction B in fig. 2), and outer helical blade 8 then pushes the material into each discharge gate and realizes the even ejection of compact of many exports, has improved the discharging efficiency of storage silo, and accomplishes that the relative ejection of compact of each discharge gate is even (material pushing direction C in fig. 2). The reasonable structure is that a feeding port A (blanking point) on the storage bin 1 is arranged above the storage bin 1 and is arranged at the middle position.
In the invention, the bottom in the storage bin 1 is a circular arc bottom surface corresponding to the outer edge of the outer layer helical blade 8, so that materials can be gathered at the lowest part of the arc bottom of the storage bin 1 in a centralized manner, and the discharging is further uniform. The number of the discharge ports can be four channels or six channels, and the discharge ports can be arranged according to actual requirements.
Referring to fig. 5-8, the storage silo of the present invention further discloses a feeding mechanism. As shown in the figure: the discharge ports at the bottom of the storage bin 1 are respectively connected with a discharge channel 11, and a set of feeding mechanism is arranged in each discharge channel 11. The impeller 2 is driven by a rotary driving mechanism to rotate and is arranged in the discharging channel 11; the impeller 2 comprises a rotating shaft 21 and a plurality of blades 22 connected to the rotating shaft 21, the rotating shaft 21 is arranged at the center of the discharging channel 11, one blade extends outwards from the joint of the rotating shaft 21 and can seal one half of the discharging channel 11, and the other side of the rotating shaft 21 corresponding to the joint of the blade is also provided with the blade which extends outwards and can seal the other half of the discharging channel 11. That is, if the inner cross-section of the discharge channel 11 is a rectangle, the profile of one vane is slightly smaller than half of the rectangular cross-section.
In order to ensure the impeller 2 to rotate stably, particularly the rotating shaft 21 runs stably without generating axial and radial displacement, both ends of the rotating shaft 21 of the impeller 2 are arranged on the discharging channel 11 through the flanging shaft sleeve 3, one end of the rotating shaft 21 is connected with the locking ring 4, and the other end is connected with the rotary driving mechanism.
The rotary driving mechanism is a chain wheel mechanism 5; the sprocket mechanism 5 includes a driving sprocket 51 and a driven sprocket 52 driven by a motor, the driving sprocket 51 and the driven sprocket 52 are externally connected by a chain 53, and the driven sprocket 52 is connected to the rotating shaft 21.
In order to protect the sprocket mechanism 5 and prolong the service life of the sprocket mechanism 5, the sprocket mechanism 5 has a housing 54, and the drive sprocket 51, the driven sprocket 52, and the chain 53 are disposed in the housing 54.
When in use, the chain wheel mechanism 5 can drive the impeller 2 to rotate and stop through the motor. When the impeller 2 rotates continuously, the material can be fed downwards, and when the impeller 2 is controlled by a motor to be positioned at the position when a pair of blades 22 (one blade is closed by half) completely close the discharging channel 11, the function of sealing the bin and locking the material is achieved.
In the present invention, all the electric components can be controlled by the control cabinets 1001 and 1002 provided below the housings.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A multi-channel metering machine is characterized in that: the device comprises a lifting turnover machine (200) for lifting and pouring materials to be weighed into a storage bin (100), wherein a plurality of discharge holes are formed in the bottom of the storage bin (100), a roller feeding mechanism (300) is arranged below each discharge hole of the storage bin (100), a metering hopper (400) is arranged below each roller feeding mechanism (300), a material cup (500) capable of sliding on a transfer mechanism (600) is arranged below a qualified material discharge hole of the metering hopper (400), and a chute (700) is arranged below an unqualified material discharge hole of the metering hopper (400);
the storage bin (100) comprises a bin (1) and a spiral conveying structure which is arranged in the bin (1) and is driven by a driving mechanism and provided with a spiral blade; a plurality of discharge ports are distributed at the bottom of the storage bin (1); the spiral conveying structure comprises inner-layer spiral blades (7) which are arranged on a main shaft (6) and used for pushing materials to two sides of a storage bin uniformly, outer-layer spiral blades (8) which are arranged on the main shaft (6) and used for pushing the materials into discharge holes, and the outer edges of the outer-layer spiral blades (8) are close to the bottom of the storage bin (1).
2. The multi-channel meter of claim 1, wherein: the roller feeding mechanism (300) is driven by a variable frequency motor to feed materials into a metering hopper (400) below the roller feeding mechanism in a quantitative and accurate manner after the roller feeding mechanism is driven by the variable frequency motor to rotate at a high speed and then at a low speed.
3. The multi-channel meter of claim 1, wherein: the transfer mechanism (600) is a stage driven by a guide rail and a slider, and is powered by a servo motor.
4. The multi-channel meter of claim 1, wherein: an unqualified bin is arranged below the chute (700), and the materials in the unqualified bin are conveyed into the storage bin (100) through the lifting turnover machine (200).
5. The multi-channel meter of claim 1, wherein: the storage bin (100), the lifting turnover machine (200), the roller feeding mechanism (300), the metering hopper (400), the material cup (500), the transfer mechanism (600) and the chute (700) are all arranged in the shell; a first dust removal valve (800) is arranged on the shell between the storage bin (100) and the lifting turnover machine (200), and a second dust removal valve (900) is arranged on the shell near the weighing hopper (400).
6. The multi-channel meter of claim 1, wherein: the inner bottom of the storage bin (1) is a circular arc-shaped bottom surface corresponding to the outer edge of the outer layer helical blade (8).
7. The multi-channel meter of claim 1, wherein: each discharge port at the bottom of the storage bin (1) is respectively connected with a discharge channel (11), each discharge channel (11) is provided with an impeller (2), and the impeller (2) is driven by a rotary driving mechanism to rotate and is arranged in the discharge channel (11); the impeller (2) comprises a rotating shaft (21) and a plurality of blades (22) connected to the rotating shaft (21), the rotating shaft (21) is arranged at the center of the discharging channel (11), one blade extends outwards from the joint of the rotating shaft (21) and can seal one half of the discharging channel (11), and the other side, corresponding to the joint of the blade, of the rotating shaft (21) is also provided with the blades which extend outwards and can seal the other half of the discharging channel (11).
8. The multi-channel meter of claim 7, wherein: both ends of a rotating shaft (21) of the impeller (2) are arranged on the discharging channel (11) in a penetrating way through the flanging shaft sleeve (3), one end of the rotating shaft (21) is connected with the locking ring (4), and the other end of the rotating shaft is connected with the rotary driving mechanism.
9. The multi-channel meter of claim 8, wherein: the rotary driving mechanism is a chain wheel mechanism (5); the chain wheel mechanism (5) comprises a driving chain wheel (51) and a driven chain wheel (52) which are driven by a motor, the driving chain wheel (51) and the driven chain wheel (52) are externally connected through a chain (53), and the driven chain wheel (52) is connected to the rotating shaft (21).
10. The multi-channel meter of claim 9, wherein: the sprocket mechanism (5) has a housing (54), and the drive sprocket (51), the driven sprocket (52), and the chain (53) are all disposed in the housing (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910314945.3A CN109941774B (en) | 2019-04-18 | 2019-04-18 | Multi-channel metering machine |
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| CN201910314945.3A CN109941774B (en) | 2019-04-18 | 2019-04-18 | Multi-channel metering machine |
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| CN109941774B true CN109941774B (en) | 2021-06-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110239976A (en) * | 2019-07-01 | 2019-09-17 | 中国华电科工集团有限公司 | A kind of arc track ship loader |
| CN112849971A (en) * | 2021-01-05 | 2021-05-28 | 苏州高精特专信息科技有限公司 | Multichannel material lifting machine |
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