CN216954800U - Continuous feeding metering system - Google Patents

Abstract

The utility model belongs to the technical field of material transmission control equipment, and particularly relates to a continuous feeding metering system which comprises two sets of feeding metering mechanisms arranged in a main rack side by side and a buffer bin arranged above the two sets of feeding metering mechanisms; each set of feeding metering mechanism comprises a discharge port communicated with the buffer bin, a discharge door used for realizing the conduction or the closure of the discharge port, and a hopper arranged below the discharge port and used for receiving materials; the hopper is provided with a weighing module for measuring the weight of the materials in the hopper, and the hopper is provided with a discharge door for discharging. The continuous feeding metering system can solve the application occasions that bulk materials needing to be accurately metered are conveyed and cannot be weighed, such as bulk material shipping and bulk material loading trains. The material can utilize two sets of weighing control mechanical mechanisms to work alternately in the high-speed conveying process to realize the uninterrupted metering and conveying of the fluid material.

Description

Continuous feeding metering system

Technical Field

The utility model belongs to the technical field of material transmission control equipment, and particularly relates to a continuous feeding metering system.

Background

The uninterrupted precise metering equipment for high-speed powder material conveying needs to adapt to the flow characteristics of most materials, particularly the caking materials are easy to be bonded and arched, so that a control channel through which the materials pass is blocked due to material bonding retardation and cannot work. Therefore, the control mechanism of the continuous feeding and metering equipment for the cohesive materials can meet the requirements that the problems that the machine fails to work, the material is easy to fluctuate greatly in the conveying process in the accurate metering process and the like due to the fact that the mechanism is instantaneously closed due to poor flowability of the cohesive materials, and the cohesive arching is blocked are solved.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a continuous feeding metering system and a control method thereof, which will not cause large fluctuation in the material conveying process during the precise metering process, thereby avoiding the problem of adverse effect on the production process and equipment.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: a continuous feeding metering system comprises two sets of feeding metering mechanisms arranged in a main rack side by side and a buffer bin arranged above the two sets of feeding metering mechanisms; each set of feeding metering mechanism comprises a discharge port communicated with the buffer bin, a discharge door used for realizing the conduction or the closure of the discharge port, and a hopper arranged below the discharge port and used for receiving materials; the hopper is provided with a weighing module for measuring the weight of the materials in the hopper, and the hopper is provided with a discharge door for discharging.

Furthermore, the continuous feeding metering system also comprises a central controller, the weighing module is connected with the central controller through signals, the weight of the materials in the hopper of the feeding metering mechanism is transmitted to the central controller, and the central controller controls the opening and closing of the discharging door and the discharging door.

Furthermore, the weighing module sends weighing signals to weighing controllers of respective feeding and metering mechanisms, the two weighing controllers are in signal connection with the central controller and transmit data, and the two weighing controllers, the central controller and the touch screen are arranged in the equipment main control box.

Further, the discharge gate passes through the rotatable setting of bin gate axle and is in discharge gate department, bin gate hub connection has drive arrangement, and drive arrangement drive bin gate axle drives the discharge gate rotation, and the control discharge gate is opened and close.

Furthermore, the edge of the discharge door, which is opened and closed by contacting with the discharge port, is set to be a convex arc-shaped structure, the end part of the discharge port is matched with the shape of the discharge door, when the discharge door is closed, the end part of the discharge port is sealed by the arc-shaped structure of the discharge door, the rotating track of the discharge door is matched with the arc-shaped structure of the discharge door, and the discharge door keeps a contact matching state with the discharge port in the rotating process; the rotating direction of the discharge door arc-shaped structure is cut along with the flowing direction of the material at the discharge port.

Furthermore, each discharge door is driven by a set of independent driving device, each driving device comprises a driving rocker, a connecting rod, a slow feeding cylinder and a fast feeding cylinder, one end of each driving rocker is fixedly connected with the corresponding feed door shaft, and the other end of each driving rocker rotates under the action of driving force, so that the feed door shafts and the discharge doors fixedly connected with the feed door shafts are driven to rotate; one end of the connecting rod is hinged with a shell of the buffer bin, the other end of the connecting rod is hinged with a telescopic rod of the slow feeding cylinder, a cylinder seat of the slow feeding cylinder is hinged with the shell of the buffer bin, a telescopic rod of the fast feeding cylinder is hinged with the middle part of the connecting rod, and a cylinder seat of the fast feeding cylinder is hinged with one end of the driving rocker, which is acted by driving force; the telescopic rod of the slow feeding cylinder is contracted and/or the telescopic rod of the fast feeding cylinder is extended, and the discharge door is opened; the telescopic rod of the slow feeding cylinder extends and/or the telescopic rod of the fast feeding cylinder contracts, and the discharging door is closed.

Furthermore, the discharge ports of the two feeding metering mechanisms are symmetrically arranged at the bottom of the buffer bin, the side walls of the two discharge ports are obliquely arranged, and an angle formed between the two discharge ports is an acute angle; the buffer bin is formed by enclosing a plurality of inclined side walls, and the sectional area of the buffer bin is sequentially reduced from top to bottom; and a flow control groove is arranged on the discharge door.

Furthermore, the top of the hopper is arranged in an open manner and is used for receiving the materials conveyed by the discharge port, the discharge door is arranged at the bottom of the hopper, and the materials fall under the action of gravity after the discharge door is opened; the discharge door is of a split structure, two opposite-door structure semi-discharge doors are connected to two sides of the bottom end of the hopper through hinges, the discharge door is connected with the discharge cylinder, and the discharge door is opened or closed through telescopic control of the discharge cylinder.

Furthermore, the discharging cylinder is installed in the hopper, the end part of a telescopic rod of the discharging cylinder is vertically provided with a balance rod, two ends of the balance rod are respectively hinged with a discharging rod, and the other ends of the two discharging rods are respectively hinged with the two half discharging doors; the telescopic link extension of the cylinder of unloading, two half unload the bin gate and open from the centre and unload, the telescopic link shrink of the cylinder of unloading, two half unload the bin gate and seal hopper bottom.

Further, the weighing modules are arranged on the upper portions of the hoppers, a plurality of weighing modules are evenly arranged on the upper portion of each hopper, the weighing modules are arranged between the hoppers and the main frame, the weighing modules are weighing sensors, and the weighing sensors transmit weighing signals to the weighing processor.

The control method of the continuous feeding metering system, the system begins to work, a group of feeding metering mechanisms starts, the weighing module of the group of feeding metering mechanisms transmits the weight signal of the material in the hopper to the central controller for processing, when the weight is far smaller than the set value, the central controller outputs a fast feeding signal, the discharge door is fully opened for high-speed blanking, when the weight is close to the set value, the central controller outputs a slow feeding signal, a part of the discharge door is closed, the blanking speed is slowed down, when the weight reaches the set value, the central controller closes the fast feeding signal and the slow feeding signal, the discharge door is fully closed, the blanking is stopped, the central controller simultaneously outputs a discharging signal, and the discharge door is opened for discharging; and simultaneously the other group of feeding metering mechanisms is started.

Furthermore, the weighing module transmits a weight signal of the material in the hopper to the weighing processor, the weighing processor transmits the weight signal to the central processing unit, the central processing unit calculates the weight of the material to be conveyed in real time, then the real-time result is displayed, transmitted and recorded, and the central processing unit controls the slow feeding cylinder, the fast feeding cylinder and the discharging cylinder to act according to the weight of the material; and after the hopper of the feeding metering mechanism finishes discharging, the discharging door is closed, and then the hopper is automatically peeled and reset to enter a waiting state.

The utility model has the beneficial effects that: the continuous feeding metering system can solve the application occasions that bulk materials needing to be accurately metered are conveyed and cannot be weighed, such as bulk material shipping and bulk material loading trains. The material can utilize two sets of weighing control mechanical mechanisms to work alternately in the high-speed conveying process to realize the uninterrupted metering and conveying of the fluid material.

Drawings

FIG. 1 is a schematic diagram of a continuous feed metering system;

FIG. 2 is a view showing a closing state of the discharge door;

FIG. 3 is a view showing the fast feeding state of the group A of discharge doors;

FIG. 4 is a control schematic diagram of a continuous feed metering system;

in the figure: 1. buffer bin, 2, main frame, 3, discharge gate, 4, discharge door, 5, hopper, 6, weighing sensor, 7, discharge door, 8, bin gate axle, 9, drive rocker, 10, connecting rod, 11, slow feeding cylinder, 12, fast feeding cylinder, 13, discharge cylinder, 14, balancing pole, 15, discharge rod.

Detailed Description

In order to make the structure and function of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention.

Referring to fig. 1-4, a continuous feed metering system comprises two sets of feed metering mechanisms arranged in a main frame 2 side by side and a buffer bin 1 arranged above the two sets of feed metering mechanisms; each set of feeding metering mechanism comprises a discharge port 3 communicated with the buffer bin, a discharge door 4 used for realizing the conduction or the closure of the discharge port, and a hopper 5 arranged below the discharge port and used for receiving materials; the hopper is provided with a weighing module for measuring the weight of the materials in the hopper, and the hopper 5 is provided with a discharge door 7 for discharging.

Based on the technical scheme, it needs to be explained that the buffer bin 1 is used for storing fluid materials and discharging the fluid materials through the discharge ports, the buffer bin 1 mainly plays a role of circulating the materials, the materials can not be accumulated in the buffer bin any more, under the condition of continuous and uninterrupted high-speed weighing of the materials, two sets of parallel discharge ports are adopted for blanking, a hopper and a weighing module for weighing and metering the materials are arranged below each set of discharge ports, when the A set of discharge ports are used for rapidly blanking, the B set of discharge ports are in a closed state, the A set of weighing module below the A set of discharge ports is used for weighing and metering the A set of hopper, after a preset value is reached, the A set of discharge ports complete blanking, a material door is closed, the A set of weighing device is used for discharging, and after automatic zero clearing, the A set of discharge ports enters a waiting state; at the moment, the discharge port of the group B is communicated, the material door is opened to carry out quick blanking, the weighing device of the group B below the discharge port of the group B carries out weighing and metering on the material output by the discharge port of the group B, and the materials are in a circulating state all the time through the reciprocating circulation and the alternate operation, so that the working efficiency is greatly improved.

Further, the continuous feeding metering system also comprises a central controller, the weighing module is connected with the central controller through signals, the weight of the materials in the hopper of the feeding metering mechanism is transmitted to the central controller, and the central controller controls the opening and closing of the discharging door 4 and the discharging door 7.

In one embodiment, the weighing module sends weighing signals to weighing controllers of respective feeding and metering mechanisms, the two weighing controllers are in signal connection with a central controller and transmit data, and the two weighing controllers, the central controller and the touch screen are arranged in the equipment main control box.

In one embodiment, the discharging door 7 is rotatably arranged at the discharging port 3 through a charging door shaft 8, the charging door shaft 8 is connected with a driving device, and the driving device drives the charging door shaft 8 to drive the discharging door 7 to rotate so as to control the opening and closing of the discharging port; the edge of the discharge door 7, which is opened and closed in contact with the discharge port 3, is set to be an outward-convex arc-shaped structure, the end part of the discharge port is matched with the shape of the discharge door, when the discharge door 7 is closed, the end part of the discharge port 3 is sealed by the arc-shaped structure of the discharge door, the rotation track of the discharge door is matched with the arc-shaped structure of the discharge door, and the discharge door is kept in a contact matching state with the discharge port in the rotation process; the rotating direction of the arc-shaped structure of the discharge door 7 is cut along with the flowing direction of the material at the discharge port 3.

Based on above-mentioned technical scheme, need explain that because each edge of discharge gate 3 and the discharge door of arc structure and the 7 motion trails cooperation of discharge door are sealed, therefore each edge of discharge gate is located not co-altitude, and the discharge door is opened, and when the discharge gate switches on, the discharge gate is first switched on from the one side that the discharge gate vertical position is minimum, and the discharge door is first rotatory the edge that leaves the discharge gate minimum promptly.

The control mechanism for high-speed cohesive material large-flow continuous weighing and metering needs to be capable of meeting the requirements that under the working condition of large flow and uninterrupted flow, the channel of each control mechanism through which the material flows is absolutely smooth, the average flowing speed is higher than the material conveying requirement, and the control channel through which the material passes is blocked due to material adhesion retardation so as not to work and cause machine failure because the mechanism is instantly closed due to poor cohesive material fluidity.

The uninterrupted precise metering equipment for high-speed material conveying has the advantages that the designed control mechanism has the material door and the material channel matched with the material door, when the material door is opened, the material is completely suspended in the channel and does not contact with any contact surface, the control material door has a shearing and crushing effect on material agglomeration in the closing process, and simultaneously has an extrusion effect when the control material door is closed completely, so that the material door with the design characteristics can be opened and closed freely under the condition that the material door is completely blocked by the material on a feed inlet, and the technical requirement of high-speed cohesive material continuous weighing and metering on the metering equipment can be met. Under the working condition of large flow and uninterrupted flow, the control action of each mechanism can be in place, and the phenomenon of blocking due to the uninterrupted falling of materials can be avoided.

The two discharge ports with the same specification are arranged in the buffer bin for storing materials, and are alternately discharged, so that the device is applied to the measurement and transportation process of materials in batches and in specifications, the continuous discharging measurement of high-speed materials can be realized, the time is saved, and the efficiency is improved. Meanwhile, the discharge port is continuously replaced, so that the problem that smooth discharging is difficult to achieve due to the fact that materials in the buffer bin are stacked and tamped can be solved.

In one embodiment, the material door shaft 8 is rotatably connected to the shell of the buffer bin, the material door shaft 8 is parallel to the axial direction of the arc-shaped structure of the material discharging door 7, and the material door shaft 8 is fixedly connected with the material discharging door 7 and drives the material discharging door to rotate synchronously.

Based on above-mentioned technical scheme, need to explain that discharge door 7 comprises the support frame that is used for the evagination arc of shutoff discharge gate and connects the arc, and the support frame is drawn back to the center by the arc both sides gradually and is close to, and both sides support frame forms the line of intersect, and material door axle 8 is connected in the line of intersect position, drives the evagination arc through both sides support frame and rotates.

Furthermore, each discharge door 7 is driven by a set of independent driving device, the driving device comprises a driving rocker 9, a connecting rod 10, a slow feeding cylinder 11 and a fast feeding cylinder 12, one end of the driving rocker 9 is fixedly connected with the material door shaft 8, and the other end of the driving rocker 9 rotates under the action of driving force, so that the material door shaft 8 and the discharge door 7 fixedly connected with the material door shaft are driven to rotate; one end of the connecting rod 10 is hinged with the shell of the buffer bin 1, the other end of the connecting rod 10 is hinged with the telescopic rod of the slow feeding cylinder 11, the cylinder seat of the slow feeding cylinder 11 is hinged with the shell of the buffer bin 1, the telescopic rod of the fast feeding cylinder 12 is hinged with the middle part of the connecting rod 10, and the cylinder seat of the fast feeding cylinder 12 is hinged with one end of the driving rocker 9, which is acted by driving force; the telescopic rod of the slow feeding cylinder 11 is contracted and/or the telescopic rod of the fast feeding cylinder 12 is extended, and the discharging door 7 is opened; the telescopic rod of the slow feeding cylinder 11 extends and/or the telescopic rod of the fast feeding cylinder 12 contracts, and the discharging door 7 is closed.

Based on the technical scheme, it needs to be explained that when the device is stopped, the discharge door 7 is closed, when a command for rapid blanking is received, the discharge door 7 is completely opened, the telescopic rod of the rapid feeding cylinder 12 extends to drive the driving rocker 9 to rotate to a limit position, at the moment, the slow feeding cylinder 11 is in a retraction state, the discharge door 7 is completely opened, and rapid blanking is performed; when the circulated materials gradually approach the preset value of the single feeding metering mechanism, the telescopic rod of the fast feeding air cylinder 12 is contracted, most of the discharging door 7 is closed, and the slow feeding state is realized.

The slow feeding cylinder 11 and the fast feeding cylinder 12 in this embodiment may be replaced by other telescopic mechanisms capable of realizing corresponding functions in the common knowledge, such as a hydraulic cylinder or an electric telescopic rod having a corresponding telescopic driving function.

In one embodiment, the discharge ports 3 of the two feeding and metering mechanisms are symmetrically arranged at the bottom of the buffer bin 1, the side walls of the two discharge ports 3 are obliquely arranged, and an angle formed between the two discharge ports 3 is an acute angle; ensure that two discharge gates 3 all are in 1 bottoms of buffer bin and form smooth unloading passageway with the space of buffer bin 1, avoid forming the material and pile up. The two discharge ports 3 are symmetrically arranged, so that the same opening degree of the discharge door 7 is ensured, and the flow of the two discharge ports 3 is the same.

In one embodiment, the buffer bin 1 is formed by enclosing a plurality of inclined side walls, and the sectional area of the buffer bin 1 is reduced from top to bottom in sequence. The buffer bin 1 is a cone with a wide upper part and a narrow lower part, and is arranged in an open manner from top to bottom, so that the materials can be conveniently circulated.

In one embodiment, the discharging door is provided with a flow control groove (not shown) on one side of the discharging door 7 which forms an opening channel with the discharging port 3 firstly during the rotating process, and the flow control groove rotates to the outside of the discharging port 3 when the discharging door is in a completely closed state.

Based on above-mentioned technical scheme, when the material was close the predetermined value in the hopper 5, discharge door 7 closed gradually, the initial time material passed through discharge door and the common unloading of flow control groove, one side edge coincidence of unloading is first to discharge door edge and discharge gate, the material carries out the unloading through flow control groove alone, after the material reaches the predetermined value in the hopper, continue rotatory discharge door, the discharge gate is crossed to the flow control groove, get into the discharge gate and lead the below of one side edge of unloading, the discharge gate is totally enclosed with the discharge gate.

In one embodiment, the top of the hopper 5 is open and is used for receiving the materials conveyed by the discharge port 3, the discharge door 7 is arranged at the bottom of the hopper 5, and the materials fall down under the action of gravity after the discharge door 7 is opened; the discharging door 7 is of a split structure, two half discharging doors with a split door structure are connected to two sides of the bottom end of the hopper 5 through hinges, the discharging door 7 is connected with the discharging cylinder 13, and the opening or closing of the discharging door 7 is controlled through the expansion and contraction of the discharging cylinder 13; the discharging cylinder 13 is arranged in the hopper 5, the end part of the telescopic rod of the discharging cylinder 13 is vertically provided with a balance rod 14, two ends of the balance rod 14 are respectively hinged with a discharging rod 15, and the other ends of the two discharging rods 15 are respectively hinged with two half discharging doors; the telescopic link of the cylinder 13 of unloading extends, and two half discharge doors are opened from the centre and are unloaded, and the telescopic link of the cylinder 13 of unloading contracts, and two half discharge doors are closed hopper bottom.

In one embodiment, the weighing modules are arranged on the upper portions of the hoppers 5, three weighing modules are uniformly arranged on each hopper upper portion, the weighing modules are arranged between the hoppers 5 and the main frame 2, the weighing modules are weighing sensors 6, and the weighing sensors 6 transmit weighing signals to the weighing processor. In this embodiment, the load cell employs an MMSS-550 weighing module, which is a mterler-toledo.

The upper part of the device is provided with a feeding control mechanism which comprises a discharge port 3, a buffer bin assembly 1, a group A discharge door, a group B discharge door, a group A discharge door driving mechanism, a group B discharge door driving mechanism and the like, wherein the group A discharge doors work alternately to meet the requirement of uninterrupted metering, and meanwhile, the driving mechanisms of the discharge doors can adjust the feeding speed under the control of a weighing controller to achieve the effect of accurate metering.

The lower part of the equipment is a weighing and metering part which is divided into a hopper A and a hopper B, the lower part of each hopper is a discharge door, the middle part of each hopper is a discharge cylinder and a related mechanical structure for controlling the opening and closing of the discharge door, and the upper part of each hopper is provided with three weighing modules respectively.

The weighing module is arranged between the hopper 5 and the main frame 2, weighing signals are sent to respective weighing controllers, and electric control parts such as two weighing controllers, a central controller and a touch screen are arranged in the equipment main control box. The whole equipment is shown in figure 1. In this embodiment, tollgate B520 is selected for the weighing controller. It should be noted that the weighing instrument in fig. 4 is a weighing controller, that is, a weighing controller with a function display and a weight display.

The control system of the uninterrupted precise metering equipment for high-speed material conveying utilizes two sets of weighing control mechanical mechanisms to work alternately to realize uninterrupted metering and conveying of fluid materials. Each set of weighing mechanism is uniformly commanded by the central controller.

Weighing module of each pay-off metering mechanism passes to weighing controller with the weight signal of 5 the inside materials in hopper and handles, when weight is less than the setting value far away, central controller exports fast feeding signal, discharge door 4 opens high-speed unloading entirely, when weight is close to the setting value, central controller exports slow feeding signal, discharge door 4 closes partly, unloading speed slows down, when weight reaches the setting value, central controller closes fast slow feeding signal, discharge door 4 closes totally and stops the unloading, central controller exports the signal of unloading simultaneously, the cylinder 13 telescopic link of unloading stretches out, discharge door 7 is opened and is unloaded.

Based on the technical scheme, it needs to be noted that the set value of the weight when the slow feeding signal is started to be output has no specific standard, and the set value needs to be debugged according to the combination error of the material flow rate during field debugging, so that the accuracy can be achieved.

The specific working process is as follows: when the machine is in a stopped state, all the discharge doors 4 and the discharge doors 7 are in a fully closed state, the machine is ready to enter a working state, and the state of the discharge doors 4 is as shown in fig. 2.

After the start button equipment is pressed down to operate, assuming that the A group feeding metering mechanism is started firstly, at this time, the A weighing controller outputs a fast feeding signal, the telescopic rod of the fast feeding cylinder 12 extends out, the slow feeding cylinder 11 is in a retraction state, the A group discharging door 4 is completely opened, the material enters the A group hopper 5 at a high speed, and the B group discharging door is in a completely closed state, as shown in fig. 3.

When the weight of the materials in the group A hopper is close to the set value of the single scale, the weighing controller A closes the fast feeding signal, the fast feeding cylinder 12 retracts, and most of the discharging doors 4 are closed to be in a slow feeding state. When the feeding metering mechanism for renting the materials at a low speed finishes metering, the weighing controller A outputs a discharging signal, the discharging cylinder 13 of the scale A extends out, the discharging door 7 is opened to discharge the materials, the discharging door 7 is closed after the weighing of the scale A finishes discharging, then the scale A can automatically peel and clear to enter a waiting state, and the scale B is opened to enter a working state at the moment.

Otherwise, after the start key device is pressed to operate, the B group feeding metering mechanism is supposed to be started first, and the process is repeated, but the A group feeding metering mechanism and the B group feeding metering mechanism are exchanged. The uninterrupted accurate metering in the high-speed material conveying process is realized in such a way. The weighing results of each set of weighing modules are sent to the central controller in turn, the central controller calculates the weight of the material conveyed in real time, and then the real-time results are displayed, transmitted and recorded.

In one embodiment, the weighing module transmits a weight signal of the material in the hopper to the weighing processor, the weighing processor transmits the weight signal to the central processor, the central controller calculates the weight of the material to be conveyed in real time, then the real-time result is displayed, transmitted and recorded, and the central processor controls the slow feeding air cylinder, the fast feeding air cylinder and the discharging air cylinder to act according to the weight of the material.

The discharge door 3 of the continuous feeding metering system has the characteristics that materials are completely suspended in the channel and do not contact with any contact surface, and the control material door has a shearing and crushing effect on material caking in the closing process and has an extrusion effect when being close to complete closing, so that the device has the advantages that a discharge port can be freely opened and closed under the condition of being completely blocked by the materials, the materials are fast-forwarded and fast-forwarded in the machine, and the technical requirement that the high-speed adhesive materials are afraid of being adhered and blocked in a cache bin and the channel of the material door during continuous weighing and metering is met.

The continuous feeding metering system has the capability of simultaneously feeding and discharging materials, so that an overlarge buffer bin is not needed, the size and the weight of the equipment are greatly reduced, auxiliary equipment and difficulty required by the type of equipment for continuously and accurately metering by high-speed conveying are greatly reduced, and the equipment is more easily suitable for the environments of large-scale operation such as bulk cargo shipment, bulk cargo loading trains and the like. For example, when a bulk train is used, 60 tons of goods need to be filled in one carriage in 15 minutes, namely four tons of goods are filled in one minute, a common double-material-bin system needs to be provided with two material bins capable of containing several tons of goods, the volume and the weight cannot be accepted at all, the height needs to be matched with type equipment such as a lifting machine due to the fact that the height needs to be very high, most importantly, some adhesive materials are blocked in the large material bins and cannot be conveyed, equipment manufactured by the technical principle can well meet the requirement that one carriage with 60 tons needs to be filled in 15 minutes, the volume and the weight are reasonable, and other auxiliary equipment is not needed.

The above list is only the preferred embodiment of the present invention. It is obvious that the utility model is not limited to the above embodiments, but that many variations are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the present invention are to be considered within the scope of the utility model.

Claims (10)

1. A continuous feeding metering system is characterized in that: the device comprises two sets of feeding metering mechanisms arranged in a main rack side by side and a buffer bin arranged above the two sets of feeding metering mechanisms; the feeding metering mechanism comprises a discharge port communicated with the buffer bin, a discharge door used for realizing the conduction or the closure of the discharge port, and a hopper arranged below the discharge port and used for receiving materials; the hopper is provided with a weighing module for measuring the weight of the materials in the hopper, and the hopper is provided with a discharge door for discharging.

2. The continuous feed metering system of claim 1, wherein: the weighing module is connected with the central controller through signals, the weight of materials in the hopper of the feeding metering mechanism is transmitted to the central controller, and the central controller controls the opening and closing of the discharging door and the discharging door.

3. The continuous feed metering system of claim 2, wherein: the weighing module sends weighing signals into weighing controllers of respective feeding metering mechanisms, the two weighing controllers are in signal connection with the central controller and transmit data, and the two weighing controllers, the central controller and the touch screen are arranged in the equipment main control box.

4. A continuous feed metering system as set forth in claim 1 or 2 wherein: the discharge gate passes through the rotatable setting of bin gate axle and is in discharge gate department, the bin gate hub connection has drive arrangement, and drive arrangement drive bin gate axle drives the discharge gate rotation, and the control discharge gate is opened and close.

5. The continuous feed metering system of claim 4, wherein: each discharge door is driven by a set of independent driving device, the driving device comprises a driving rocker, a connecting rod, a slow feeding cylinder and a fast feeding cylinder, one end of the driving rocker is fixedly connected with the material door shaft, and the other end of the driving rocker is rotated under the action of driving force, so that the material door shaft and the discharge door fixedly connected with the material door shaft are driven to rotate; one end of the connecting rod is hinged with a shell of the buffer bin, the other end of the connecting rod is hinged with a telescopic rod of the slow feeding cylinder, a cylinder seat of the slow feeding cylinder is hinged with the shell of the buffer bin, a telescopic rod of the fast feeding cylinder is hinged with the middle part of the connecting rod, and a cylinder seat of the fast feeding cylinder is hinged with one end of the driving rocker, which is acted by driving force; the telescopic rod of the slow feeding cylinder is contracted and/or the telescopic rod of the fast feeding cylinder is extended, and the discharge door is opened; the telescopic rod of the slow feeding cylinder extends and/or the telescopic rod of the fast feeding cylinder contracts, and the discharging door is closed.

6. The continuous feed metering system of claim 4, wherein: the discharge ports of the two feeding metering mechanisms are symmetrically arranged at the bottom of the buffer bin, the side walls of the two discharge ports are obliquely arranged, and an angle formed between the two discharge ports is an acute angle; the buffer bin is formed by enclosing a plurality of inclined side walls, and the sectional area of the buffer bin is sequentially reduced from top to bottom; and a flow control groove is arranged on the discharge door.

7. A continuous feed metering system as claimed in claim 1 or 2, wherein: the top of the hopper is arranged in an open manner and is used for receiving materials conveyed by the discharge port, the discharge door is arranged at the bottom of the hopper, and the materials fall down under the action of gravity after the discharge door is opened; the discharge door is of a split structure, two opposite-door structure semi-discharge doors are connected to two sides of the bottom end of the hopper through hinges, the discharge door is connected with the discharge cylinder, and the discharge door is opened or closed through telescopic control of the discharge cylinder.

8. The continuous feed metering system of claim 7, wherein: the discharging cylinder is installed in the hopper, the end part of a telescopic rod of the discharging cylinder is vertically provided with a balance rod, two ends of the balance rod are respectively hinged with a discharging rod, and the other ends of the two discharging rods are respectively hinged with two half discharging doors; the telescopic link extension of the cylinder of unloading, two half discharge doors are opened from the centre and are unloaded, and the telescopic link of the cylinder of unloading contracts, and two half discharge doors seal the hopper bottom.

9. A continuous feed metering system as set forth in claim 1 or 2 wherein: the edge of the discharge door, which is in contact with the discharge port to be opened and closed, is set to be a convex arc-shaped structure, the end part of the discharge port is matched with the shape of the discharge door, when the discharge door is closed, the end part of the discharge port is sealed by the arc-shaped structure of the discharge door, the rotation track of the discharge door is matched with the arc-shaped structure of the discharge door, and the discharge door is kept in a contact matching state with the discharge port in the rotation process; the rotating direction of the arc-shaped structure of the discharge door is cut along with the flowing direction of the material at the discharge port.

10. A continuous feed metering system as claimed in claim 1 or 2, wherein: the weighing module sets up on hopper upper portion, and every hopper upper portion evenly is provided with a plurality of weighing modules, and weighing module sets up between hopper and main frame, weighing module is weighing sensor, and weighing sensor transmits the signal of weighing for the weighing processor.

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