CN111532803B - Closed type weighing, blanking and feeding device and using method thereof - Google Patents
Closed type weighing, blanking and feeding device and using method thereof Download PDFInfo
- Publication number
- CN111532803B CN111532803B CN202010367013.8A CN202010367013A CN111532803B CN 111532803 B CN111532803 B CN 111532803B CN 202010367013 A CN202010367013 A CN 202010367013A CN 111532803 B CN111532803 B CN 111532803B
- Authority
- CN
- China
- Prior art keywords
- valve
- weighing
- bin
- cavity
- conveying
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/005—Control arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
- B65G65/46—Devices for emptying otherwise than from the top using screw conveyors
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a closed type weighing, blanking and feeding device and a using method thereof, and belongs to the technical field of blanking and feeding devices. The method comprises the following steps: the storage bin, install the first valve of feed bin bottom, set up the below of feed bin and with the weigh bin that the feed bin is linked together, install the second valve of the bottom of weigh bin sets up the first pipeline of weigh bin below is installed first pipeline keeps away from the third valve of the bottom of weigh bin one end sets up the second pipeline of the below of third valve, and install first pipeline and the inside transport assembly of second pipeline. The invention realizes the sealing performance of the blanking conveying device, avoids the influence of dust of the external environment on the purity of the material in the weighing and conveying processes, realizes the simultaneous conveying and weighing through the mutual adjustment between the valves at different nodes and the multi-layer conveying assemblies, and improves the efficiency.
Description
Technical Field
The invention belongs to the technical field of blanking and feeding devices, and particularly relates to a closed type weighing blanking and feeding device and a using method thereof.
Background
At present, the powder conveying method is widely applied to the fields of rubber, chemical industry, energy, food and the like, specific products can be light dry powder such as metal powder, ceramic powder, alumina, albumen powder, flour and the like, and bulk powder materials are often required to be stirred and mixed. At present, the manual operation mode is mostly adopted for carrying out, the labor intensity of operators is high, time and labor are wasted, the metering error is large, and the dust pollution is also accompanied.
The conveying and metering of powder and granular materials mainly comprises two metering devices of a volume type and a weight type according to metering principles, and the continuous region according to conveying and metering mainly comprises two types of a batch type and a continuous type.
Therefore, the conveyance of powder and granular materials has begun to become mechanized, and a powder conveyance device has appeared, and a weight sensor for weighing the mass of the powder has been provided, but most conveyance devices are not sealed, and dust enters the external environment, and contamination occurs. And need directly carry after every weighing, wait to carry out the second again after the transport is accomplished and weigh, so repeated cause conveying efficiency low.
Disclosure of Invention
The invention provides a closed type weighing, blanking and feeding device and a using method thereof, aiming at solving the technical problems in the background technology.
The invention is realized by adopting the following technical scheme: a closed weigh-blanking feed device comprising:
the device comprises a storage bin, a first valve arranged at the bottom of the storage bin, a weighing bin arranged below the storage bin and communicated with the storage bin, a second valve arranged at the bottom of the weighing bin, a first conveying pipeline arranged below the weighing bin, a third valve arranged at the bottom of one end, far away from the weighing bin, of the first conveying pipeline, a second conveying pipeline arranged below the third valve, and conveying assemblies arranged inside the first conveying pipeline and the second conveying pipeline;
the second valve is located inside the first delivery conduit and the third valve is located inside the second delivery conduit.
In a further embodiment, the weigh bin comprises: the device comprises a connecting wall fixedly connected with the storage bin, a discharge hopper clamped on the connecting wall, connecting lugs uniformly fixed on the outer circumferential surface of the top of the discharge hopper, and a weighing sensor used for connecting the connecting lugs with the storage bin;
when no material exists in the weighing bin, the weight detected by the weighing sensor is the weight of the discharge hopper; when the weighing bin is internally filled with materials, the second valve is in a closed state, the discharging hopper moves downwards relative to the connecting wall under the action of the powder, and the weight detected by the weighing sensor is the total weight of the discharging hopper and the materials.
In a further embodiment, the second valve and the third valve are identical in structure, the second valve comprising: the valve comprises a valve body, triangular blades which are hinged to the lower surface of the valve body at equal intervals, a rotating rod with one end hinged to one vertex angle of the triangular blades, and a rotating ring hinged to the other end of the rotating rod;
the rotation of the rotating ring is used for controlling the opening and closing state of the triangular blade, when the triangular blade is in the opening state, one end of the rotating rod, which is hinged with the triangular blade, is pushed out of the rotating ring, and the triangular blade does not cover the interior of the valve body at the moment; when the triangular blades are in a closed state, the rotating rods are overlapped with the rotating rings, and the ends, which are not hinged, of the triangular blades are in mutual contact to form a closed state.
In a further embodiment, the triangular vane comprises a first contact surface, a second contact surface and a third contact surface, the first contact surface being an inwardly concave arc and the second contact surface being an outwardly convex arc; the first contact surface is provided with an outward boss along the length direction of the first contact surface, and the second contact surface is provided with an inward groove along the length direction of the second contact surface;
when the triangular blade is in a closed state, the first contact surface is in contact with the adjacent second contact surface, and the third contact surface forms a complete circle; the boss and the groove are mutually clamped.
In a further embodiment, the conveying assembly comprises a rotating motor, a rotating rod connected to an output shaft of the rotating motor in a transmission mode, and a spiral blade arranged along the axial direction of the rotating rod.
In a further embodiment, a transition bin is arranged between the stock bin and the weighing bin, and the transition bin is divided into: a dispersion chamber and a spray chamber;
the dispersion chamber is provided with the dispersion subassembly in inside, the inside in spraying the chamber is provided with sprays the subassembly, the dispersion subassembly with it connects in to spray the subassembly transmission the transmission subassembly.
In a further embodiment, the dispersion assembly comprises:
the first rotating shaft is axially arranged along the dispersion cavity, and the impeller groups are arranged on the first rotating shaft; the interval between the impeller groups meets the following conditions: the interval between the adjacent impeller sets is gradually reduced from one end far away from the spraying cavity and is finally distributed in an equidistant way;
the spray assembly comprises: the impeller sets are fixed on the second rotating shaft at equal intervals along the second rotating shaft which is arranged in the axial direction of the spraying cavity;
the transmission assembly includes: the worm gear is tightly sleeved on the transmission shaft, the driving motor is fixed on the transition bin, and the worm is in transmission connection with an output shaft of the driving motor;
the worm wheel is in transmission connection with the worm.
In a further embodiment, the impeller assembly comprises: the blades are distributed along the radial direction of the rotating shaft and are arc-shaped;
the fixed ends of the adjacent blades have no gap, and the movable ends of the adjacent blades have gaps; the vertical section of the blade is triangular.
In a further embodiment, a heating cavity is arranged between the dispersion cavity and the injection cavity, and a plurality of spindle-shaped heating pipes are arranged in the heating cavity at equal intervals along the axial direction of the heating cavity; and two ends of the heating pipe are respectively communicated with the dispersion cavity and the injection cavity.
A use method of a closed type weighing, blanking and feeding device specifically comprises the following steps:
step one, when the materials do not need to be weighed and conveyed, the first valve, the second valve and the third valve are all in a closed state;
and step two, when the materials need to be weighed and conveyed, firstly, the driving motor is started, the worm which is in transmission connection with the driving motor drives the worm wheel which is in transmission connection with the driving motor to rotate, and the transmission shaft which is in transmission connection with the worm wheel drives the connecting shaft to rotate. The connecting shaft is fixedly connected with the first rotating shaft and the second rotating shaft, so that the first rotating shaft and the second rotating shaft rotate, namely the impeller sets in the dispersion cavity and the injection cavity rotate to generate air flow;
opening a first valve, enabling the materials to pass through a dispersion cavity, a heating cavity and an injection cavity in a transition bin, wherein an injection assembly is arranged in the injection cavity, the dispersion assembly and the injection assembly can simultaneously generate air flow, the powder is sucked into a discharge hopper from a storage bin and is accumulated in the discharge hopper, and the dispersion assembly is also used for crushing the powder;
step four, in the step three, the material passes through the heating cavity, namely the powder is absorbed into the spindle-shaped heating pipe for heating and dehumidification after being dispersed by the dispersion cavity;
step five, simultaneously, the materials accumulated in the discharge hopper are provided with downward pressure of the hopper under the action of gravity, so that the weighing sensor senses the total weight of the discharge hopper and the materials, and the weight of the discharge hopper is removed to be the weight of the powder in the discharge hopper;
step six, when the weight displayed by the weighing sensor is the required weight, closing the first valve and the driving motor, opening the second valve and the rotating motor at the first conveying pipeline, conveying the materials through the helical blades, and enabling the materials in the first conveying pipeline to enter the second conveying pipeline through the second valve;
step seven, when the first conveying pipeline is used for conveying and powder does not exist in the discharge hopper, namely, the weight detected by the weighing sensor is the weight of the discharge hopper, the steps two to five are repeated, and when powder does not exist in the first conveying pipeline, the step six is executed, namely, the conveying and the weighing are ensured to be carried out simultaneously;
and step eight, in the step seven, the third valve is used for controlling the conveying rhythm between the first conveying pipeline and the second conveying pipeline so as to prevent the weight superposition of different times of conveying powder.
The invention has the beneficial effects that: the invention realizes the sealing performance of the blanking conveying device, avoids the influence of dust of the external environment on the purity of the material in the weighing and conveying processes, realizes the simultaneous conveying and weighing through the mutual adjustment between the valves at different nodes and the multi-layer conveying assemblies, and improves the efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a closed weighing, blanking and feeding device of the invention.
Fig. 2 is a partial sectional view of a closed weighing, blanking and feeding device of the invention.
Fig. 3 is a schematic structural view of the weigh bin of the present invention.
Fig. 4 is a first schematic structural diagram of the first valve of the present invention.
Fig. 5 is a second schematic structural diagram of the first valve of the present invention.
Fig. 6 is a schematic structural view of a triangular blade in the present invention.
Fig. 7 is a schematic structural diagram of a transition bin in the present invention.
FIG. 8 is a cross-sectional view of a transition bin of the present invention.
Fig. 9 is a schematic view of the structure of the impeller assembly of the present invention.
Each of fig. 1 to 9 is labeled as: the device comprises a storage bin 1, a first valve 2, a weighing bin 3, a second valve 4, a first conveying pipeline 5, a third valve 6, a second conveying pipeline 7, a transition bin 8, a valve body 201, a triangular blade 202, a rotary sheet 203, a rotary ring 204, a first contact surface 205, a second contact surface 206, a third contact surface 207, a connecting wall 301, a discharge hopper 302, a connecting lug 303, a weighing sensor 304, a rotary rod 501, a spiral blade 502, a rotary motor 503, a dispersion cavity 801, an injection cavity 802, an impeller group 804, a blade 805, a connecting shaft 806, a heating cavity 807 and a heating pipe 808.
Detailed Description
The invention is further described with reference to the following description of the drawings and specific embodiments.
The inventor finds out through practice that: the following problems generally exist in the existing distributing and discharging conveying mechanism: firstly, weigh and leave the clearance between the transport, lead to inside dust or the dust fly into the device through the clearance in the external environment, not only influenced the concentration of powder but also influenced the precision of weighing. Meanwhile, the powder is weighed once every time the powder is conveyed in sequence, and the next wave of the powder cannot be weighed before the powder is conveyed, so that the influence on the quality of the powder of the previous wave is avoided, and the efficiency is very low.
Therefore, the inventor develops a closed type weighing, blanking and feeding device and a using method thereof.
Example 1
As shown in fig. 1, a closed type weighing, blanking and feeding device sequentially comprises from top to bottom: a silo 1, a weighing silo 3, a first conveying pipe 5 and a second conveying pipe 7. A first valve 2 is arranged between the stock bin 1 and the weighing bin 3, and the first valve 2 is used for controlling the discharge of materials in the stock bin 1. And a second valve 4 is arranged between the weighing bin 3 and the first conveying pipeline 5 and is used for controlling the discharge condition of the materials in the weighing bin 3. A third valve 6 is arranged between the first conveying pipeline 5 and the second conveying pipeline 7, and the third valve 6 is used for controlling the discharge of the materials in the first conveying pipeline 5.
The first valve 2 is used for connecting the storage bin 1 and the weighing bin 3, so that the sealing performance between the storage bin 1 and the weighing bin 3 is guaranteed, and the third valve 6 is used for connecting the first conveying pipeline 5 and the second conveying pipeline 7, so that the sealing performance between the first conveying pipeline 5 and the second conveying pipeline 7 is guaranteed.
And the weighing compartment 3 is shown in fig. 3, said weighing compartment 3 comprising: the discharge hopper comprises a connecting wall 301 fixedly connected with the first valve 2, a discharge hopper 302 clamped on the connecting wall 301 (the clamping realizes movable and sealing connection through interference fit), a connecting lug 303 uniformly fixed on the outer circumferential surface of the top of the discharge hopper 302, and a weighing sensor 304 used for connecting the connecting lug 303 with the stock bin 1;
when no material exists in the weighing bin 3, the weight detected by the weighing sensor 304 is the weight of the discharging hopper 302; when the weighing bin 3 contains materials, the second valve 4 is in a closed state, the discharge hopper 302 moves downward relative to the connecting wall 301 under the action of the powder, and the weight detected by the weighing sensor 304 is the total weight of the discharge hopper 302 and the materials.
According to the above description, the weighing compartment 3 is operated with the bottom outlet hopper 302 moving up and down, so that the second valve 4 of the weighing compartment 3 is not tightly connected to the first conveying pipe 5.
Therefore, in order to ensure the sealing performance between the weighing bin 3 and the first conveying pipeline 5, the bottom of the discharge hopper 302 is firstly set to be a cylinder, the second valve 4 is arranged at the bottom end of the cylinder, a sealing ring is arranged at the joint of the first conveying pipeline 5 and the second valve 4, the second valve 4 is positioned below the sealing ring, when the discharge hopper 302 moves up and down, the lowest position which can be reached by the second valve 4 is flush with the highest position of the conveying assembly, the highest position which can be reached by the second valve 4 is in contact with the bottom surface of the sealing ring, the cylinder is ensured to move up and down in the sealing ring but is not in contact with each other, and the measuring precision of the weighing sensor 304 is prevented from being influenced.
A closed connection between the weigh bin 3 and the first conveying pipe 5 is thus achieved.
The conveying assembly comprises a rotating motor 503, a rotating rod 501 in transmission connection with an output shaft of the rotating motor 503, and a helical blade 502 arranged along the axial direction of the rotating rod 501.
The workflow of this embodiment is as follows: step one, when materials do not need to be weighed and conveyed, the first valve 2, the second valve 4 and the third valve 6 are all in a closed state;
step two, when the materials need to be weighed and conveyed, the first valve 2 is firstly opened, the materials in the discharging hopper 302 give downward pressure to the hopper 302 under the action of gravity, so that the weighing sensor 304 senses the total weight of the discharging hopper 302 and the materials, and the weight of the discharging hopper 302 after being removed is the weight of the powder in the discharging hopper 302;
step three, when the weight displayed by the weighing sensor 304 is the required weight, closing the first valve 2 and the driving motor, opening the second valve 4 and the rotating motor 503 at the first conveying pipeline 5, conveying the material through the helical blade 502, and allowing the material in the first conveying pipeline 5 to enter the second conveying pipeline 7 through the second valve 4;
step four, when the first conveying pipeline 5 is in conveying and powder does not exist in the discharge hopper 302, namely, at the moment, the weight detected by the weighing sensor 304 is the weight of the discharge hopper 302, the step two is repeated, and when powder does not exist in the first conveying pipeline 5, the step three is executed, namely, the conveying and the weighing are ensured to be carried out simultaneously;
and step five, in the step four, the third valve 6 is used for controlling the conveying rhythm between the first conveying pipeline 5 and the second conveying pipeline 7 so as to prevent the weight superposition of different conveyed powder materials.
Example 2
In example 1, it can be easily seen that the material is weighed to realize the primary transmission and the secondary transmission, and in order to realize the complementary interference of the primary transmission and the secondary transmission, the second valve 4 and the third valve 6 are arranged to realize the mutual restriction. But the loss of material all can be produced to current valve when the blowing, and partial material remains on the valve promptly, especially through the powder after weighing, will lead to the material weight after carrying to reduce, has great error.
Therefore, the inventor designs a valve which is matched with the valve and does not influence the weight of the material. First, the first valve 2, the second valve 4, and the third valve 6 have the same structure. Here, the first valve 2 is exemplified as shown in fig. 4 to 5. The valve includes: the valve comprises a valve body 201, triangular blades 202 which are hinged to the lower surface of the valve body 201 at equal intervals, a rotating sheet 203 with one end hinged to one vertex angle of the triangular blades 202, and a rotating ring 204 hinged to the other end of a rotating rod 501.
The working principle of the first valve 2 is as follows: the rotation of the rotating ring 204 is used for controlling the opening and closing state of the triangular blade 202, when the triangular blade 202 is in the opening state, one end of the rotating sheet 203, which is hinged with the triangular blade 202, is pushed out of the rotating ring 204, and at this time, the triangular blade 202 does not cover the interior of the valve body 201; when the triangular blade 202 is in a closed state, the rotating piece 203 is overlapped with the rotating ring 204, and the non-hinged ends of the triangular blade 202 are contacted with each other to form a closed state.
The valve is arranged to prevent weight deviation caused by material loss, so that when the triangular blade 202 is in a closed state, the triangular blade 202 is further improved to prevent material from seeping out of gaps. As shown in fig. 6, the triangular blade 202 includes a first contact surface 205, a second contact surface 206 and a third contact surface 207, the first contact surface 205 is an inward concave arc shape, and the second contact surface 206 is an outward convex arc shape; the first contact surface 205 is provided with an outward projection along its length and the second contact surface 206 is provided with an inward recess (not shown) along its length. When the triangular blade 202 is in a closed state, the sealing connection is realized through the clamping connection of the boss and the groove, and the problem that powder leaks out from a gap is solved.
The valve of this structure's setting has avoided when the ejection of compact at every turn, and the problem that the material stayed on the valve has especially increased the precision at the in-process that the material after having weighed was carried.
And the valve body 201 of the second valve 4 is coaxially connected with the cylinder at the bottom of the discharge hopper 302, and the inner diameters are equal, and the top of the valve body 201 of the third valve 6 is directly connected with the bottom of the first conveying pipeline 5 in an arc shape, so that the possibility that powder materials are not accumulated at the connection position is ensured.
Example 3
The improvement of the tightness and the valve in the embodiment 1 and the embodiment 2 realizes the transportation of the materials without loss after weighing and quality guarantee, but the general material can also influence the weighing of the weighing bin 3 if the material is placed in the bin 1 for too long time or is wet or even agglomerated.
Because if the weighing bin 3 directly weighs the moist material, then in the process of conveying, the moist material can volatilize because the work of conveying component leads to the inside air current of conveying pipe to produce, and then actual material weight is different with the quality that weighing bin 3 obtained, and moist material when passing through conveying pipe, still can take place to bond and lead to the material can not be transported completely, and the weight appears the deviation again.
Therefore, the inventor wants to pre-treat the materials by scattering and drying before weighing, so as to avoid errors caused by moisture in the later period.
A transition bin 8 is arranged between the stock bin 1 and the weighing bin 3. As shown in fig. 7 to 9, the transition bin 8 is divided into: a dispersion chamber 801 and an ejection chamber 802; the dispersion chamber 801 is located at one end of the storage bin 1 close to the dispersion chamber, and the injection chamber 802 is located at one end of the storage bin 1 far away from the dispersion chamber. The dispersing cavity 801 is internally provided with a dispersing assembly, the spraying cavity 802 is internally provided with a spraying assembly, and the dispersing assembly and the spraying assembly can simultaneously generate air flow to suck and spray powder from the storage bin. And the dispersion assembly is also used for crushing powder.
Specifically, the dispersion assembly includes: the first rotating shaft is arranged inside the dispersing cavity 801 along the axial direction of the dispersing cavity 801, a plurality of impeller groups 804 are arranged on the first rotating shaft in parallel, and the distance between every two adjacent impeller groups 804 meets the following conditions: the spacing between adjacent sets of impellers 804 is progressively smaller starting at the end remote from the injection chamber 802 and eventually equidistant, as shown in fig. 8. The adjacent distance of the impeller groups 804 in the dispersion assembly is set to disperse the powder.
Because the powder is placed in the storage bin for a long time or the powder is partially agglomerated due to the damp weather, before the powder reaches the spraying cavity 802, powder particles are firstly crushed by the impeller group 804 which is close to the storage bin and has larger space, and then the powder is sprayed out along the direction of the storage bin 1 and flows to the weighing bin 3.
The spray assembly comprises: a second rotating shaft mounted axially along the spray chamber 802, and sets of impellers 804 equidistantly mounted on the second rotating shaft. The impeller group 804 in the spraying assembly is used for generating airflow to drive the powder to rotate and to be thrown out along the direction of the impellers in the impeller group 804, so that the spraying effect is achieved.
The spray assembly is identical in construction to the impeller assembly 804 of the dispersion assembly, as shown in fig. 9. Impeller set 804 includes: a plurality of blades 805 radially distributed along the axis of rotation, the blades 805 being arcuate.
In order to increase the air flow inside the dispersion chamber 801 and the ejection chamber 802, there is no gap between the fixed ends of the adjacent blades 805 and a gap is left between the movable ends of the adjacent blades 805.
The mechanism requires that powder particles are dispersed and directly sprayed in a short time, so that the time of powder passing through the bin 1 is extremely short, the requirement on crushing strength is high, and therefore, the vertical section of the blade 805 is triangular and plays a role in cutting by a blade, and the blade 805 can be made of stainless steel metal.
The transmission assembly includes: the connecting shaft 806 penetrates through the first rotating shaft and the second rotating shaft, the transmission shaft is fixedly connected to one end, far away from the spraying assembly, of the connecting shaft 806, the worm wheel is tightly sleeved on the transmission shaft, the driving motor is fixed on the joint body, and the worm is in transmission connection with the output shaft of the driving motor; the worm wheel is in transmission connection with the worm.
The working principle of the embodiment is as follows: before injection is required, the valve of the storage bin is opened, then the driving motor is started, the worm in transmission connection with the driving motor drives the worm wheel in transmission connection with the worm wheel to rotate, and the transmission shaft in transmission connection with the worm wheel drives the connecting shaft 806 to rotate. Because the connecting shaft 806 is fixedly connected with the first rotating shaft and the second rotating shaft, the first rotating shaft and the second rotating shaft rotate, that is, the impeller sets 804 in the dispersion cavity 801 and the ejection cavity 802 rotate to generate air flow, and the powder is ejected out from the storage bin through the dispersion cavity 801 and the ejection cavity 802 in sequence under the action of the air flow, and in the process, the impeller sets 804 in the dispersion cavity 801 also have the function of crushing.
Meanwhile, the inventor arranges a heating cavity 807 between the dispersion cavity 801 and the injection cavity 802, and a plurality of spindle-shaped heating pipes 808 are equidistantly arranged in the heating cavity 807 along the axial direction; two ends of the heating pipe 808 are respectively communicated with the dispersion cavity 801 and the injection cavity 802. Because of there is certain distance between transition bin 8 and the play hopper 302, the air current that transition bin 8 took place can not take place in going out the hopper 302, can not influence the weighing of weigh bin 3 promptly.
That is, after the powder material is dispersed in the dispersion chamber 801, the powder material is sucked into the spindle-shaped heating pipe 808 for heating and dehumidification, and then enters the injection chamber 802 for injection, the heating pipe 808 here can be the existing heating pipe 808, and the technical effect can be achieved by heating after the heating.
The use method of the closed type weighing, blanking and feeding device is characterized by comprising the following steps:
step one, when materials do not need to be weighed and conveyed, the first valve 2, the second valve 4 and the third valve 6 are all in a closed state;
and step two, when the materials need to be weighed and conveyed, firstly, the driving motor is started, the worm which is in transmission connection with the driving motor drives the worm wheel which is in transmission connection with the driving motor to rotate, and the transmission shaft which is in transmission connection with the worm wheel drives the connecting shaft 806 to rotate. Because the connecting shaft 806 is fixedly connected with the first rotating shaft and the second rotating shaft, the first rotating shaft and the second rotating shaft rotate, namely the impeller assembly 804 in the dispersion cavity 801 and the injection cavity 802 rotate to generate air flow;
step three, opening a first valve 2, enabling materials to pass through a dispersing cavity 801, a heating cavity 807 and an injection cavity 802 in a transition bin, wherein an injection assembly is arranged in the injection cavity 802, the dispersing assembly and the injection assembly can simultaneously generate air flow, powder is sucked into the discharge hopper 302 from the storage bin 1 and is accumulated in the discharge hopper 302, and the dispersing assembly is also used for crushing the powder;
step four, in the step three, the material passes through the heating cavity 807, namely the powder material is absorbed into the spindle-shaped heating pipe 808 for heating and dehumidification after being dispersed through the dispersion cavity 801;
step five, the materials stacked in the discharging hopper 302 are provided with downward pressure of the hopper 302 under the action of gravity, so that the weighing sensor 304 senses the total weight of the discharging hopper 302 and the materials, and the removed weight of the discharging hopper 302 is the weight of the powder in the discharging hopper 302;
step six, when the weight displayed by the weighing sensor 304 is the required weight, closing the first valve 2 and the driving motor, opening the second valve 4 and the rotating motor 503 at the first conveying pipeline 5, conveying the material through the helical blade 502, and allowing the material in the first conveying pipeline 5 to enter the second conveying pipeline 7 through the second valve 4;
step seven, when the first conveying pipeline 5 is in conveying and powder does not exist in the discharge hopper 302, namely, at the moment, the weight detected by the weighing sensor 304 is the weight of the discharge hopper 302, the steps two to five are repeated, and when powder does not exist in the first conveying pipeline 5, the step six is executed, namely, the conveying and the weighing are ensured to be carried out simultaneously;
step eight, in step seven, the third valve 6 is used for controlling the conveying rhythm between the first conveying pipeline 5 and the second conveying pipeline 7, so as to prevent the weight superposition of different conveyed powder materials.
Claims (8)
1. The utility model provides a closed weigh unloading feeder device which characterized in that includes:
the device comprises a storage bin, a first valve arranged at the bottom of the storage bin, a weighing bin arranged below the storage bin and communicated with the storage bin, a second valve arranged at the bottom of the weighing bin, a first conveying pipeline arranged below the weighing bin, a third valve arranged at the bottom of one end, far away from the weighing bin, of the first conveying pipeline, a second conveying pipeline arranged below the third valve, and conveying assemblies arranged inside the first conveying pipeline and the second conveying pipeline;
the second valve is located inside the first delivery conduit, the third valve is located inside the second delivery conduit, and the third valve is located at the end of the delivery assembly of the first delivery conduit;
the feed bin with be provided with the transition storehouse between the weigh bin, the transition storehouse divide into: a dispersion chamber and a spray chamber;
a dispersing assembly is arranged in the dispersing cavity, a spraying assembly is arranged in the spraying cavity, and the dispersing assembly and the spraying assembly are in transmission connection with a transmission assembly;
the dispersion assembly includes:
the first rotating shaft is axially arranged along the dispersion cavity, and the impeller groups are arranged on the first rotating shaft; the interval between the impeller groups meets the following conditions: the interval between the adjacent impeller sets is gradually reduced from one end far away from the spraying cavity and is finally distributed in an equidistant way;
the spray assembly comprises: the impeller sets are fixed on the second rotating shaft at equal intervals along the second rotating shaft which is arranged in the axial direction of the spraying cavity;
the transmission assembly includes: the worm gear is tightly sleeved on the transmission shaft, the driving motor is fixed on the transition bin, and the worm is in transmission connection with an output shaft of the driving motor;
the worm wheel is in transmission connection with the worm.
2. A closed weighing and blanking feeding device according to claim 1, wherein said weighing compartment comprises: the device comprises a connecting wall fixedly connected with the first valve, a discharge hopper clamped on the connecting wall, connecting lugs uniformly fixed on the outer circumferential surface of the top of the discharge hopper, and a weighing sensor used for connecting the connecting lugs with the storage bin;
when no material exists in the weighing bin, the weight detected by the weighing sensor is the weight of the discharge hopper; when the weighing bin is internally filled with materials, the second valve is in a closed state, the discharging hopper moves downwards relative to the connecting wall under the action of the powder, and the weight detected by the weighing sensor is the total weight of the discharging hopper and the materials.
3. A closed-type weighing and feeding device as claimed in claim 1, wherein said first valve, said second valve and said third valve are of the same construction, said first valve comprising: the valve comprises a valve body, triangular blades hinged to the lower surface of the valve body at equal intervals, a rotating sheet with one end hinged to one vertex angle of the triangular blades, and a rotating ring hinged to the other end of the rotating sheet;
the rotation of the rotating ring is used for controlling the opening and closing state of the triangular blades, when the triangular blades are in the opening state, one end of the rotating sheet, which is hinged with the triangular blades, is pushed out of the rotating ring, and the triangular blades do not cover the interior of the valve body at the moment; when the triangular blades are in a closed state, the rotating sheets are overlapped with the rotating ring, and the ends of the triangular blades which are not hinged at the moment are contacted with each other to form a closed state.
4. A closed-type weighing and feeding device according to claim 3, wherein the triangular blade comprises a first contact surface, a second contact surface and a third contact surface, the first contact surface is in the shape of an inward concave arc, and the second contact surface is in the shape of an outward convex arc; the first contact surface is provided with an outward boss along the length direction of the first contact surface, and the second contact surface is provided with an inward groove along the length direction of the second contact surface;
when the triangular blade is in a closed state, the first contact surface is in contact with the adjacent second contact surface, and the third contact surface forms a complete circle; the boss and the groove are mutually clamped.
5. The closed type weighing and blanking feeding device as claimed in claim 1, wherein the conveying assembly comprises a rotating motor, a rotating rod in transmission connection with an output shaft of the rotating motor, and a helical blade axially arranged along the rotating rod.
6. A closed-type weighing, blanking and feeding device according to claim 1, wherein said impeller assembly comprises: the blades are distributed along the radial direction of the rotating shaft and are arc-shaped;
the fixed ends of the adjacent blades have no gap, and the movable ends of the adjacent blades have gaps; the vertical section of the blade is triangular.
7. The closed type weighing, blanking and feeding device as claimed in claim 1, wherein a heating cavity is arranged between the dispersion cavity and the injection cavity, and a plurality of spindle-shaped heating pipes are arranged in the heating cavity at equal intervals along the axial direction of the heating cavity; and two ends of the heating pipe are respectively communicated with the dispersion cavity and the injection cavity.
8. The use method of the closed type weighing, blanking and feeding device as claimed in any one of claims 1 to 7 is characterized by comprising the following steps:
step one, when the materials do not need to be weighed and conveyed, the first valve, the second valve and the third valve are all in a closed state;
when the materials need to be weighed and conveyed, firstly, a driving motor is started, a worm which is connected with the driving motor in a transmission mode drives a worm wheel which is driven by the worm to rotate, a transmission shaft which is connected with the worm wheel in a transmission mode drives a connecting shaft to rotate, and the connecting shaft is fixedly connected with a first rotating shaft and a second rotating shaft, so that the first rotating shaft and the second rotating shaft rotate, namely impeller sets in a dispersion cavity and an injection cavity rotate to generate air flow;
opening a first valve, enabling the materials to pass through a dispersion cavity, a heating cavity and an injection cavity in a transition bin, wherein an injection assembly is arranged in the injection cavity, the dispersion assembly and the injection assembly can simultaneously generate air flow, the powder is sucked into a discharge hopper from a storage bin and is accumulated in the discharge hopper, and the dispersion assembly is also used for crushing the powder;
step four, in the step three, the material passes through the heating cavity, namely the powder is absorbed into the spindle-shaped heating pipe for heating and dehumidification after being dispersed by the dispersion cavity;
step five, simultaneously, the materials accumulated in the discharge hopper are provided with downward pressure of the hopper under the action of gravity, so that the weighing sensor senses the total weight of the discharge hopper and the materials, and the weight of the discharge hopper is removed to be the weight of the powder in the discharge hopper;
step six, when the weight displayed by the weighing sensor is the required weight, closing the first valve and the driving motor, opening the second valve and the rotating motor at the first conveying pipeline, conveying the materials through the helical blades, and enabling the materials in the first conveying pipeline to enter the second conveying pipeline through the second valve;
step seven, when the first conveying pipeline is used for conveying and powder does not exist in the discharge hopper, namely, the weight detected by the weighing sensor is the weight of the discharge hopper, the steps two to five are repeated, and when powder does not exist in the first conveying pipeline, the step six is executed, namely, the conveying and the weighing are ensured to be carried out simultaneously;
and step eight, in the step seven, the third valve is used for controlling the conveying rhythm between the first conveying pipeline and the second conveying pipeline so as to prevent the weight superposition of different times of conveying powder.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010367013.8A CN111532803B (en) | 2020-04-30 | 2020-04-30 | Closed type weighing, blanking and feeding device and using method thereof |
| PCT/CN2020/089512 WO2021217709A1 (en) | 2020-04-30 | 2020-05-10 | Closed weighing, discharging and feeding device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010367013.8A CN111532803B (en) | 2020-04-30 | 2020-04-30 | Closed type weighing, blanking and feeding device and using method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111532803A CN111532803A (en) | 2020-08-14 |
| CN111532803B true CN111532803B (en) | 2021-04-13 |
Family
ID=71967661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010367013.8A Active CN111532803B (en) | 2020-04-30 | 2020-04-30 | Closed type weighing, blanking and feeding device and using method thereof |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111532803B (en) |
| WO (1) | WO2021217709A1 (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212173848U (en) * | 2020-04-30 | 2020-12-18 | 南京韬恒工业科技有限公司 | Powder unloader |
| CN112093085B (en) * | 2020-09-30 | 2022-09-16 | 马鞍山瑞恒精密制造有限公司 | Fully-sealed quantitative feeding type conveying system and using method |
| CN114084703A (en) * | 2021-12-25 | 2022-02-25 | 枣庄市东博矿山机械设备有限公司 | Powder tiling cloth machine for marble processing |
| CN114433478B (en) * | 2022-01-27 | 2023-04-07 | 山东通和海洋科技有限公司 | Clam is bred and uses size classification equipment |
| CN114394342A (en) * | 2022-02-09 | 2022-04-26 | 安阳嘉和机械有限公司 | Graphite cathode material crucible automatic charging system |
| CN115077237B (en) * | 2022-07-08 | 2023-04-28 | 合肥工业大学 | Quantitative split charging device for grain dryer |
| CN115319914B (en) * | 2022-08-11 | 2023-07-25 | 中国天楹股份有限公司 | Impact type fiber feeding system and method for gravity energy storage |
| CN115626497A (en) * | 2022-11-11 | 2023-01-20 | 北新建材(陕西)有限公司 | Anti-bridging starch adding device and method |
| CN116177228B (en) * | 2023-03-15 | 2023-09-29 | 湖南可达粉粒输送环保科技有限公司 | Discharging device for pneumatic conveying |
| CN116769592B (en) * | 2023-06-12 | 2024-03-08 | 湖北健肽生物科技有限公司 | Biological enzyme throwing device for collagen peptide processing |
| CN116573244B (en) * | 2023-07-14 | 2023-09-05 | 兴化格林生物制品有限公司 | Stevia rebaudiana dry leaf packing plant |
| CN117246696B (en) * | 2023-11-01 | 2024-05-14 | 内蒙古霍煤鸿骏铝电有限责任公司 | Totally-enclosed material metering conveyor |
| CN117429660B (en) * | 2023-12-20 | 2024-03-19 | 河南云瀚实业有限公司 | Particulate matter packing proportioning device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822866A (en) * | 1971-09-15 | 1974-07-09 | Daester Fairtec Ag | Feeding, weighing and mixing apparatus |
| CN2632039Y (en) * | 2003-07-15 | 2004-08-11 | 宋斌 | Disc material feeder for concrete mixer station |
| JP2012041103A (en) * | 2010-08-13 | 2012-03-01 | Aishin Nano Technologies Co Ltd | Fixed quantity feeder device of powder |
| CN103381892A (en) * | 2013-07-05 | 2013-11-06 | 杭州萧山华东化工设备有限公司 | Full-automatic weighing and packaging system and control method thereof |
| CN203450638U (en) * | 2013-09-10 | 2014-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Powder metering and conveying system |
| CN208185482U (en) * | 2018-04-23 | 2018-12-04 | 芜湖市华邦流体科技有限公司 | A kind of novel butterfly valve |
| CN110328136A (en) * | 2019-05-29 | 2019-10-15 | 徐州市金鑫科技有限公司 | A kind of device and its working method of automatic carry out iron casting inoculant screening and transport |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3600228A1 (en) * | 1986-01-07 | 1987-07-16 | Kloeckner Becorit Ind | Pneumatic conveying device for dam-building materials |
| CN202358638U (en) * | 2011-11-07 | 2012-08-01 | 攀钢集团攀枝花钢铁研究院有限公司 | Metering and conveying system of powder lot |
| JP5033274B1 (en) * | 2011-11-08 | 2012-09-26 | 株式会社サンテック | Processed material delivery device |
| CN206915382U (en) * | 2017-06-08 | 2018-01-23 | 江西中氟化工有限公司 | Fluorspar Powder blanking device |
| CN108298213A (en) * | 2018-02-08 | 2018-07-20 | 北京昊蓬机电设备有限公司 | A kind of coal bunker |
-
2020
- 2020-04-30 CN CN202010367013.8A patent/CN111532803B/en active Active
- 2020-05-10 WO PCT/CN2020/089512 patent/WO2021217709A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3822866A (en) * | 1971-09-15 | 1974-07-09 | Daester Fairtec Ag | Feeding, weighing and mixing apparatus |
| CN2632039Y (en) * | 2003-07-15 | 2004-08-11 | 宋斌 | Disc material feeder for concrete mixer station |
| JP2012041103A (en) * | 2010-08-13 | 2012-03-01 | Aishin Nano Technologies Co Ltd | Fixed quantity feeder device of powder |
| CN103381892A (en) * | 2013-07-05 | 2013-11-06 | 杭州萧山华东化工设备有限公司 | Full-automatic weighing and packaging system and control method thereof |
| CN203450638U (en) * | 2013-09-10 | 2014-02-26 | 攀钢集团攀枝花钢铁研究院有限公司 | Powder metering and conveying system |
| CN208185482U (en) * | 2018-04-23 | 2018-12-04 | 芜湖市华邦流体科技有限公司 | A kind of novel butterfly valve |
| CN110328136A (en) * | 2019-05-29 | 2019-10-15 | 徐州市金鑫科技有限公司 | A kind of device and its working method of automatic carry out iron casting inoculant screening and transport |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021217709A1 (en) | 2021-11-04 |
| CN111532803A (en) | 2020-08-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111532803B (en) | Closed type weighing, blanking and feeding device and using method thereof | |
| CN104279839B (en) | Combination drying all-in-one and Mixture drying method | |
| JP3272564B2 (en) | Screw conveyor with automatic air cleaning device for powder and granular material transport | |
| CN109999713A (en) | A kind of automation charging device | |
| CN106628184A (en) | Dusting device and flying dusting device | |
| CN107238284A (en) | A kind of use rotary furnace prepares the process units of egg-shell meal | |
| CN107253619A (en) | A kind of urea feed arrangement | |
| CN202054399U (en) | Screw type cinder valve | |
| CN215400675U (en) | Arch breaking device and material storage and conveying and batching system easy to agglomerate | |
| CN208000026U (en) | A kind of dehumidifier | |
| JP2001348115A (en) | Powder and grain screw conveyor with automatic air washer | |
| CN212831518U (en) | Powder conveying screw device based on gas | |
| CN211870303U (en) | Pneumatic stirring screw feeding machine | |
| CN209601686U (en) | A kind of automatic movement system of material | |
| CN207963429U (en) | The material seal apparatus of screw(-type) feeder in a kind of flash distillation dryer | |
| CN208812502U (en) | The feeding device of four layers of coextrusion casting film device | |
| CN202481703U (en) | Novel screw conveyor | |
| CN218955413U (en) | Automatic drying and conveying system for bran | |
| CN220071866U (en) | Coal and biomass mixed transportation device | |
| US3522972A (en) | Granular material separator and conveyor | |
| CN212173848U (en) | Powder unloader | |
| CN221051015U (en) | Dual-purpose interface star feeder | |
| CN201567080U (en) | Continuous type quantitative feeder for grain elevator | |
| CN105860587B (en) | Calcium carbonate powder surface modifying apparatus | |
| CN210214103U (en) | A equipment for powder is dry and screening |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |