CN208454007U - A flour conveying and metering system - Google Patents

Abstract

The utility model discloses a kind of conveying of flour and metering systems, comprising: feeding device, conveying pipeline, air blower, dump skip, at least one dough mixing machine and PLC controller；Feeding device is suitable for temporary flour and flour can be transported in conveying pipeline, and feeding device is equipped with the inlet for being suitable for connecting with conveying pipeline；One end of conveying pipeline is connect with air blower, and the other end of conveying pipeline is connect with dump skip, and for air blower for the flour pressure in conveying pipeline to be blown into dump skip, dump skip is located at the top of feeding device；The discharge port of dump skip is equipped with valve, and the bottom of dump skip is equipped with pressure sensor, and dough mixing machine is located at the lower section of the dump skip, and dough mixing machine is connect by distribution pipe with dump skip；PLC controller is electrically connected with air blower, valve and pressure sensor, pressure sensor is suitable for weighing to the flour in dump skip, PLC controller is used to control air blower and continues powder supply to dump skip or suspend closing or opening to dump skip powder supply and control valve.

Description

A kind of conveying of flour and metering system

Technical field

The utility model relates to flour transportation art more particularly to a kind of conveying of flour and metering systems.

Background technique

It based on current flour conveying is mainly transported with manpower, or is conveyed using open type conveyor belt, this kind of mode It is easy to produce secondary pollution, and it is not easy to control to convey metering；Artificial powder supply exists a large amount of in terms of food safety and working efficiency Drawback, such as artificial powder supply low efficiency, large labor intensity are at high cost etc..

Utility model content

For overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of conveyings of flour with metering is System has the characteristics that automatic weighing and reduces labor intensity.

The purpose of this utility model adopts the following technical scheme that realization:

A kind of conveying of flour and metering system, comprising: feeding device, conveying pipeline, sieve air blower, dump skip, at least one Dough mixing machine and PLC controller；

The feeding device is suitable for temporary flour and can be transported to flour in the conveying pipeline, and the feeding device is set There is the inlet for being suitable for connecting with the conveying pipeline；One end of the conveying pipeline is connect with the air blower, the conveying pipeline The other end is connect with the dump skip, and the air blower is used to for the flour in the conveying pipeline being blown into the dump skip, The dump skip is located at the top of the feeding device；

The discharge port of the dump skip is equipped with valve, and the bottom of the dump skip is equipped with pressure sensor, it is described and Face machine is located at the lower section of the dump skip, and the dough mixing machine is connect by distribution pipe with the dump skip；

The PLC controller is electrically connected with the air blower, valve and pressure sensor, the pressure sensor be suitable for pair Flour in the dump skip is weighed, and the PLC controller is persistently supplied for controlling the air blower to the dump skip Powder perhaps suspends closing or opening to the dump skip powder supply and the control valve.

Further, the feeding device includes feed bin and removal of impurities hopper, and the feed bin is fixed on the support frame, institute State removal of impurities hopper discharge port be located at the feed bin feed inlet top, it is described removal of impurities hopper discharge port configured with sieves Net, the removal of impurities hopper is by spring supporting in the upper surface of the feed bin.

Further, it is connected with the first cloth bag between the discharge port of the removal of impurities hopper and the feed inlet of the feed bin, First cloth bag is made of antistatic terylene needled felt material.

Further, the inner cavity of the feed bin is equipped with the helix transporting device, and the helix transporting device is used for Flour in the feed bin is pushed to the discharge port of the feed bin, the helix transporting device includes screw motor and spiral shell Component is revolved, the screw assembly is located at the inner cavity of the blanking bin feed bin, and the screw assembly includes shaft and is wrapped in institute State the helical blade in shaft, the connection synchronous with the shaft of the output shaft of the screw motor.

Further, the discharge port of the feed bin is connected with the second cloth bag, and second cloth bag uses antistatic terylene Needle felt material is made；

The discharge port of second cloth bag is connected with variable diameter hopper, and the discharge port of the variable diameter hopper is connected with the feed Device, the discharge port of the loader are connected with feeding hopper, and the discharge port of the feeding hopper forms the inlet.

Further, the conveying pipeline includes that the first bend pipe, vertical pipe, the second bend pipe, first level pipe and second are horizontal Pipe, the inlet are communicated with the first level pipe, the charging of the discharge end of the first level pipe and first bend pipe End connection, the discharge end of first bend pipe connect with the feed end of the vertical pipe, the discharge end of the vertical pipe with it is described The feed end of second horizontal tube connects, and the discharge end of second horizontal tube is communicated with the feed inlet of the dump skip；

Further include snorkel, described snorkel one end is connect with the air blower, the other end of the snorkel with it is described The connection of first level pipe.

Further, the inner wall sleeve of the dump skip is equipped with third cloth bag, and the third cloth bag is pierced by antistatic terylene needle Felt material is made.

Further, the distribution pipe includes supervisor and is in charge of, it is described be in charge of be in charge of including first and second is in charge of, it is described Dough mixing machine includes the first dough mixing machine and the second dough mixing machine, and the discharge port sealing of the feed inlet of the supervisor and the dump skip connects It connecing, the discharge port of the supervisor is equipped with reversing arrangement, and the feed inlet that the discharge port of the supervisor is in charge of with described first communicates, The feed inlet that the discharge end of the supervisor is in charge of with described second communicates, the described first discharge port being in charge of and described first and face The feed inlet of machine connects, and the described second discharge port being in charge of is connect with the feed inlet of second dough mixing machine.

Further, the reversing arrangement is T-piece splitting valve component, and the T-piece splitting valve component is described for controlling First feed inlet being in charge of or the second feed inlet for being in charge of turn on or off；

Pneumatic butterfly valve is installed, the Pneumatic butterfly valve is suitable for controlling the charging of the supervisor on the feed inlet of the supervisor The open and close of mouth.

Further, the 4th cloth is connected between the described first discharge port being in charge of and the feed inlet of first dough mixing machine Bag, is connected with the 5th cloth bag, the 4th cloth between the described second discharge port being in charge of and the feed inlet of second dough mixing machine Bag and the 5th cloth bag are all made of antistatic terylene needled felt material and are made.

Compared with prior art, the utility model has the beneficial effects that:

A kind of flour conveying provided by the utility model and metering system, air blower will be in feeding devices by conveying pipeline Flour is blown into dump skip, through pressure sensor to flour carry out weighing and then by distribution pipe enter in dough mixing machine into Capable and face.Since pressure sensor and air blower are electrically connected with PLC controller, PLC controller can control air blower continue to Powder supply or pause powder supply, make the flour in dump skip reach defined weight in dump skip, to realize to the accurate of flour Metering.In addition, conveying flour using conveying pipeline, on the one hand it can guarantee that the flour external world by dust pollution, does not guarantee flour matter Amount and safety, on the other hand realize the automation of conveying, can substantially reduce labor intensity and save the cost.

Detailed description of the invention

Fig. 1 is the right view of a kind of flour conveying and metering system provided by the embodiment of the utility model；

Fig. 2 is the main view of Fig. 1 device；

Fig. 3 is the top view of Fig. 1 device.

In figure: 100, air blower；200, feed bin；400, dump skip；500, pressure sensor；600, clean hopper； 601, shield；602, spring；700, loader；800, feeding hopper；900, variable diameter hopper；1, the first cloth bag；2, screw motor； 3, shaft；4, helical blade；5, the second cloth bag；6, conveying pipeline；60, first level pipe；61, the first bend pipe；62, vertical pipe；63, Second bend pipe；64, the second horizontal tube；7, snorkel；8, it is responsible for；9, first is in charge of；10, second is in charge of；11, the first dough mixing machine； 12, the second dough mixing machine；13, Pneumatic butterfly valve；14, reversing arrangement；15, the 4th cloth bag；16, the 5th cloth bag；17, melt pit；18, melt pit Lid；19, maintenance door；20, ladder；21, visible observation pipe；22, mounting rack；23, support frame.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model, it should be noted that Under the premise of not colliding, it can be formed in any combination between various embodiments described below or between each technical characteristic new Embodiment.

As shown in Figure 1-3, being a kind of flour conveying provided by the embodiment of the utility model and metering system, comprising: feed Device, conveying pipeline 6, air blower 100, dump skip 400, at least one dough mixing machine and PLC controller (not shown).Wherein, Feeding device is suitable for temporary flour and can be transported to flour in conveying pipeline 6, and feeding device, which is equipped with, to be suitable for connecting with conveying pipeline 6 Inlet, one end of conveying pipeline 6 connect with air blower 100, and the other end of conveying pipeline 6 is connect with dump skip 400, air blower 100 for the flour in conveying pipeline 6 to be blown into dump skip 400, and the discharge port of dump skip 400 is equipped with valve, dump skip 400 bottom is equipped with pressure sensor 500, and dough mixing machine is located at the lower section of dump skip 400, and dough mixing machine passes through distribution pipe and discharging 400 connection of bucket；PLC controller is electrically connected with air blower 100, valve and pressure sensor 500, pressure sensor 500 be suitable for pair Flour in dump skip 400 is weighed, and PLC controller is lasting to 400 powder supply of dump skip or temporary for controlling air blower 100 Stop the closing or opening to 400 powder supply of dump skip and control valve.

The course of work of the present embodiment is as described below: firstly, temporarily store flour using feeding device, backward conveying pipeline Flour is conveyed in 6, air blower 100 is needed to open before flour enters in conveying pipeline 6, and air blower 100 is with certain pressure Air indentation conveying pipeline 6 in, flour enters in conveying pipeline 6 from the inlet of feeding device, shape after air is mixed with flour It is conveyed at suspended state along conveying pipeline 6, the flour come out from conveying pipeline 6 enters in dump skip 400, from going out for conveying pipeline 6 The flour that material mouth ejects due to itself gravity and be deposited in dump skip 400, gas then by dump skip 400 top arrange Out, wherein dump skip 400 is fixed on mounting rack 22, and aspect dump skip 400 conveys flour to dough mixing machine.Enter dump skip Flour in 400 weighs to its flour by pressure sensor 500.Wherein, PLC controller receives pressure sensor 500 The inductive signal of sending, when inductive signal does not match with the preset weight of PLC controller, PLC controller is to air blower 100 Control signal is issued, air blower 100 is made to continue to operate powder supply, when the inductive signal and PLC controller of the sending of pressure sensor 500 When preset weight matches, PLC controller to air blower 100 issue control signal to stop to 400 powder supply of dump skip, this When, PLC controller control valve is opened, and so that the flour in dump skip 400 is entered dough mixing machine, can be precisely controlled dump skip in this way The weight of flour in 400, to reach requirement of the dough mixing machine to flour weight.

The present embodiment weighs to flour by pressure sensor 500, and by PLC controller to air blower 100 Start and stop loop control is carried out to want flour weight to reach each dough mixing machine to control the flour weight in dump skip 400 It asks, has the effect of accurate measurement.In addition, the present embodiment conveys flour using conveying pipeline 6, on the one hand it can guarantee outside flour Boundary by dust pollution, does not guarantee Food Quality and Safety, on the other hand can reduce labor intensity and save the cost.

As preferred embodiment, feeding device includes removal of impurities hopper 600 and feed bin 200, wherein feed bin 200 It is fixed on support frame 23, feed bin 200 is for temporarily storing flour, wherein support frame 23 is fixed in melt pit 17, melt pit 17 Configured with melt pit lid 18, enter in melt pit 17 in order to facilitate staff, melt pit 17 is additionally provided with maintenance door 19 and ladder 20；Removal of impurities The discharge port of hopper 600 is located at the top of the feed inlet of feed bin 200, and the discharge port of removal of impurities hopper 600 is configured with sieve, removal of impurities Hopper 600 is supported on the upper surface of feed bin 200 by spring 602.Flour is sent into before feed bin 200, through the hopper 600 that cleans It is screened, some impurity are removed, guarantees the quality of flour.In addition, the axial pressure that removal of impurities hopper 600 passes through spring 602 Vibration screening is realized in contracting, can guarantee the uninterrupted blanking of flour, guarantees flour not fracture.It is appreciated that the vibration of spring 602 can To pass through motor control.Preferably, the removal of impurities hopper 600 of the present embodiment is also equipped with shield 601, and external dust is avoided to pollute Flour is further ensured that the quality of flour.

Specifically, it in order to make flour not agglomerate, cleans and connects between the discharge port of hopper 600 and the feed inlet of feed bin 200 It is connected to the first cloth bag 1, wherein the first cloth bag 1 can be fixed it by clip, and the first cloth bag 1 uses antistatic terylene Needle felt material is made.The flour come out from removal of impurities hopper 600 enters in feed bin 200 through the first cloth bag 1, due to the first cloth bag 1, using made of antistatic terylene needled felt material, can prevent flour from agglomerating because of electrostatic interaction, to guarantee to enter feed Flour in storehouse 200 keeps the state of powdery.

As preferred embodiment, the present embodiment shows a kind of specific embodiment of feed bin 200, feed bin 200 inner cavity is equipped with helix transporting device, and helix transporting device is used to the flour in feed bin 200 being pushed to feed bin 200 discharge port, helix transporting device include screw motor 2 and screw assembly, and screw assembly is located at the inner cavity of feed bin 200, Screw assembly includes shaft 3 and the helical blade being wrapped in shaft 34, the connection synchronous with shaft 3 of the output shaft of screw motor 2. Flour enters in feed bin 200 through the first cloth bag 1 temporarily to be stored, and then starts screw motor 2, due to screw motor 2 Output shaft is synchronous connection with shaft 3, therefore screw motor 2 can control screw assembly, make helical blade 4 with turn Axis 3 rotates, so that flour be driven smoothly to promote towards the direction of the discharge port of feed bin 200, steadily feeding may be implemented, Flour is prevented to be deposited in feed bin 200.Furthermore it is possible to by the rotational speed regulation of the output shaft to screw motor 2, to adjust fortune Flour amount is sent, provides a stable parameter for subsequent and face.

Preferably, the discharge port of feed bin 200 is connected with the second cloth bag 5, and the second cloth bag 5 uses antistatic terylene needled felt Material is made, and can carry out secondary antistatic process to flour, so that flour is kept powdery state, so as not to agglomerate.

Preferably, the discharge port of the second cloth bag 5 is connected with variable diameter hopper 900, and the discharge port of variable diameter hopper 900 connects feed Device 700, the discharge port of loader 700 are connected with feeding hopper 800, and the discharge port of feeding hopper 800 forms inlet.Flour is from second Cloth bag 5 enters in variable diameter hopper 900 after coming out, and variable diameter hopper 900 can reduce air velocity, reduces noise, improves system Transportation performance.After flour comes out from variable diameter hopper 900, into loader 700, the loader 700 of the present embodiment is preferably leaf Wheeled loader 700 has multiple impellers, and flour is flowed into the upper leaf film trap of impeller by the discharge port of variable diameter hopper 900, when When blade groove turns to lower position, flour enters in feeding hopper 800 under Gravitative Loads, and this loader 700 is not only airtight Property is fabulous, and can be avoided the high pressure in conveying pipeline 6 is leaked to inside feed bin 200, influences the conveying of flour；It can also quantitatively supply Material, wherein feed quantity can be by the revolving speed of adjusting impeller, to control the amount into flour in feeding hopper 800.In addition, feeding The discharge port of bucket 800 is connected to conveying pipeline 6, i.e., above-mentioned inlet, by the way that feeding hopper 800 is arranged, can be guaranteed uniformly to defeated It is fed in expects pipe 6.

Preferably, present embodiment illustrates a kind of specific embodiment of conveying pipeline 6, conveying pipeline 6 include the first bend pipe 61, Vertical pipe 62, the second bend pipe 63, first level pipe 60 and the second horizontal tube 64, wherein inlet is communicated with first level pipe 60, The discharge end of first level pipe 60 is connect with the feed end of the first bend pipe 61, the discharge end of the first bend pipe 61 and vertical pipe 62 into Expect end connection, the discharge end of vertical pipe 62 connect with the feed end of the second horizontal tube 64, the discharge end of the second horizontal tube 64 with unload The feed inlet of hopper 400 communicates；It further include snorkel 7,7 one end of snorkel is connect with air blower 100, the other end of snorkel 7 It is connect with first level pipe 60.Start air blower 100, the air that air blower 100 extrudes enters in conveying pipeline 6 from snorkel 7, so After being mixed with from air from the flour that the discharge port of feeding hopper 800 comes out afterwards, successively by first level pipe 60, the first bend pipe 61, vertical pipe 62, the second bend pipe 63 and the second horizontal tube 64, finally enter dump skip 400 from the discharge end of the second horizontal tube 64 In.By setting first level pipe 60, the first bend pipe 61, vertical pipe 62, the second bend pipe 63 and the second horizontal tube 64, make flour from Feeding device is transported to during dump skip 400 all in the safety in pipeline, being further ensured that flour.

Preferably, in order to increase leakproofness, the pipeline of adjacent connection is fitted with gasket.In addition, first level pipe 60 Discharge end and the first bend pipe 61 feed end between connection in addition to be configured with gasket, also by nut, plain cushion, spring washer and Hexagon-headed bolt cooperates, and keeps connection reliable.In order to be observed that the delivery situation of flour in conveying pipeline 6, in vertical pipe 62 are provided with one section of visible observation pipe 21 at the first bend pipe 61.

It preferably, further include the snorkel 7 for being suitable for connecting with first level pipe 60, the air that air blower 100 extrudes passes through Snorkel 7 enters conveying pipeline 6.Wherein, the connection of the inlet end of the outlet side of snorkel 7 and first level pipe 60 passes through sealing Pad, nut, plain cushion, spring washer and hexagon-headed bolt cooperate, and keep connection reliable.

Preferably, the inner wall sleeve of dump skip 400 is equipped with third cloth bag, and the third cloth bag is by antistatic terylene needled felt material Material is made.It further prevents flour from agglomerating, guarantees that entering the flour of dough mixing machine is all powdery, improves the quality with face.

Preferably, distribution pipe includes that supervisor 8 and is in charge of, and is in charge of and is in charge of 9 including first and second is in charge of 10, dough mixing machine includes First dough mixing machine 11 and the second dough mixing machine 12, in the present embodiment, we select to carry out using two dough mixing machines and face, still In actual use, it can be needed according to actual production using multiple dough mixing machines；The feed inlet and dump skip of supervisor 8 400 discharge port is tightly connected, and the discharge port for being responsible for 8 is equipped with reversing arrangement 14, and the discharge port and first for being responsible for 8 are in charge of 9 Feed inlet communicates, and is responsible for 8 discharge end and is in charge of 10 feed inlet with second communicating, and first is in charge of 9 discharge port and first and face The feed inlet of machine 11 connects, and the second discharge port for being in charge of 10 is connect with the feed inlet of the second dough mixing machine 12.Face in dump skip 400 Powder after pressure sensor 500 is weighed and reaches preset weight demands, open by PLC controller control valve, enters flour In supervisor 8, the opening direction of the discharge end of 14 couples of reversing arrangement supervisors 8 is switched over, when reversing arrangement 14 turns to second point When the feed end of pipe 10, the second feed inlet for being in charge of 10 is blocked and cannot feed, and first is in charge of 9 feed inlet and supervisor 8 Discharge port connection, at this point, flour enters the progress of the first dough mixing machine 11 and face.Similarly, it is in charge of 9 when reversing arrangement 14 turns to first Feed end when, the first feed inlet for being in charge of 9 is blocked and cannot feed, second be in charge of 10 feed inlet and supervisor 8 discharging Mouth connection, at this point, flour enters the progress of the second dough mixing machine 12 and face.It can according to need the rotation of switching reversing arrangement 14, this In reversing arrangement 14 can be reversal valve or other components with commutation function.

Specifically, above-mentioned reversing arrangement 14 is T-piece splitting valve component, and T-piece splitting valve component is for controlling first point The feed inlet of pipe 9 second is in charge of 10 feed inlet and is turned on or off.Wherein, T-piece splitting valve component include valve body, Valve plate, valve shaft, crank mechanism and driving mechanism, driving mechanism drive crank mechanism movement to drive valve plate and valve shaft towards first It is in charge of 9 feed inlet or second is in charge of 10 feed inlet and does and move repeatedly.Here driving mechanism can be pneumatic or electricity It is dynamic, as long as crank mechanism can be driven to move, when crank mechanism drive valve plate and valve shaft to first be in charge of 9 feed inlet fortune Dynamic, the first feed inlet for being in charge of 9 is obstructed by valve plate, and flour is in charge of 10 feed inlet from second and enters the second dough mixing machine 12；Work as song Handle mechanism drives valve plate and valve shaft to be in charge of 10 feed inlet to second and moves, and the second feed inlet for being in charge of 10 is obstructed by valve plate, face Powder from first be in charge of 9 feed inlet enter the first dough mixing machine 11.Certainly, for the automation of control, T-piece splitting valve here The driving mechanism of component is electrically connected with PLC controller.

Preferably, be responsible on 8 feed inlet and Pneumatic butterfly valve 13 be installed, Pneumatic butterfly valve 13 be suitable for control be responsible for 8 into The open and close of material mouth.Pneumatic butterfly valve 13 is made of pneumatic actuator and butterfly valve, and the circle of butterfly valve is driven by pneumatic actuator Shape dish plate does opening and closing, its main cutting and throttling action on pipeline.After the flour in dump skip 400 falls into supervisor 8, lead to Crossing Pneumatic butterfly valve 13 closes the feed inlet of supervisor 8, and extra flour is avoided to enter, and guarantees and weight needed for face.Certainly, this In pneumatic actuator can be electrically connected with PLC controller, with improve operation automation.

Preferably, first is in charge of between 9 discharge port and the feed inlet of the first dough mixing machine 11 and is connected with the 4th cloth bag 15, and Two are in charge of between 10 discharge port and the feed inlet of the second dough mixing machine 12 and are connected with the 5th cloth bag 16, the 4th cloth bag 15 and the 5th cloth Bag 16 is all made of antistatic terylene needled felt material and is made.In this way, by the 4th cloth bag 15 of setting and the 5th cloth bag 16, it can be right Flour into dough mixing machine carries out secondary antistatic process, prevents flour from agglomerating, and guarantees that entering the flour of dough mixing machine is all powdery, Further increase the quality with face.

Above embodiment is only preferred embodiments of the present invention, cannot be protected with this to limit the utility model Range, the variation of any unsubstantiality that those skilled in the art is done on the basis of the utility model and replacement belong to In the utility model range claimed.

Claims (10)

1. a kind of conveying of flour and metering system characterized by comprising feeding device, conveying pipeline, air blower, dump skip, extremely A few dough mixing machine and PLC controller；

The feeding device is suitable for temporary flour and can be transported to flour in the conveying pipeline, and the feeding device is equipped with suitable In the inlet being connect with the conveying pipeline；One end of the conveying pipeline is connect with the air blower, the conveying pipeline it is another End is connect with the dump skip, and the air blower is described for the flour in the conveying pipeline to be blown into the dump skip Dump skip is located at the top of the feeding device；

The discharge port of the dump skip is equipped with valve, and the bottom of the dump skip is equipped with pressure sensor, the dough mixing machine Positioned at the lower section of the dump skip, the dough mixing machine is connect by distribution pipe with the dump skip；

The PLC controller is electrically connected with the air blower, valve and pressure sensor, and the pressure sensor is suitable for described Flour in dump skip is weighed, the PLC controller for control the air blower to the dump skip continue powder supply or Person suspends to the dump skip powder supply, and the closing or opening of the control valve.

2. flour as described in claim 1 conveying and metering system, which is characterized in that the feeding device include feed bin and Clean hopper, and the feed bin is fixed on the support frame, and the discharge port of the removal of impurities hopper is located at the feed inlet of the feed bin Top, it is described removal of impurities hopper discharge port be configured with sieve, the removal of impurities hopper pass through spring supporting in the feed bin Upper surface.

3. flour conveying as claimed in claim 2 and metering system, which is characterized in that the discharge port of the removal of impurities hopper and institute It states and is connected with the first cloth bag between the feed inlet of feed bin, first cloth bag is made of antistatic terylene needled felt material.

4. flour conveying as claimed in claim 2 and metering system, which is characterized in that the inner cavity of the feed bin is equipped with spiral shell Conveying device is revolved, the helix transporting device is used to for the flour in the feed bin being pushed to the discharge port of the feed bin, The helix transporting device includes screw motor and screw assembly, and the screw assembly is located at the inner cavity of the feed bin, described Screw assembly includes shaft and the helical blade that is wrapped in the shaft, and the output shaft of the screw motor and the shaft are same Step connection.

5. flour conveying as claimed in claim 4 and metering system, which is characterized in that the discharge port of the feed bin is connected with Second cloth bag, second cloth bag are made of antistatic terylene needled felt material；

The discharge port of second cloth bag is connected with variable diameter hopper, and the discharge port of the variable diameter hopper is connected with loader, described The discharge port of loader is connected with feeding hopper, and the discharge port of the feeding hopper forms the inlet.

6. flour as described in claim 1 conveying and metering system, which is characterized in that the conveying pipeline include the first bend pipe, Vertical pipe, the second bend pipe, first level pipe and the second horizontal tube, the inlet are communicated with the first level pipe, and described The discharge end of one horizontal tube is connect with the feed end of first bend pipe, discharge end and the vertical pipe of first bend pipe Feed end connection, the discharge end of the vertical pipe are connect with the feed end of second horizontal tube, and second horizontal tube goes out Material end is communicated with the feed inlet of the dump skip；

It further include snorkel, described snorkel one end is connect with the air blower, the other end of the snorkel and described first Horizontal tube connection.

7. flour as described in claim 1 conveying and metering system, which is characterized in that the inner wall sleeve of the dump skip is equipped with the Three cloth bags, the third cloth bag are made of antistatic terylene needled felt material.

8. flour conveying as described in claim 1 and metering system, which is characterized in that the distribution pipe includes supervisor and divides Pipe, it is described be in charge of be in charge of including first and second is in charge of, the dough mixing machine includes the first dough mixing machine and the second dough mixing machine, the master The discharge port of the feed inlet of pipe and the dump skip is tightly connected, and the discharge port of the supervisor is equipped with reversing arrangement, the master The feed inlet that the discharge port of pipe is in charge of with described first communicates, the feed inlet phase that the discharge end of the supervisor is in charge of with described second Logical, the described first discharge port being in charge of is connect with the feed inlet of first dough mixing machine, the described second discharge port being in charge of and institute State the feed inlet connection of the second dough mixing machine.

9. flour conveying as claimed in claim 8 and metering system, which is characterized in that the reversing arrangement is T-piece splitting valve Component, the T-piece splitting valve component are used to control the opening of the feed inlet that described first is in charge of or the feed inlet that second is in charge of Or it closes；

Pneumatic butterfly valve is installed, the Pneumatic butterfly valve is suitable for controlling the feed inlet of the supervisor on the feed inlet of the supervisor It opens and closes.

10. flour as claimed in claim 8 conveying and metering system, which is characterized in that the described first discharge port being in charge of with The 4th cloth bag, the described second discharge port being in charge of and second dough mixing machine are connected between the feed inlet of first dough mixing machine Feed inlet between be connected with the 5th cloth bag, the 4th cloth bag and the 5th cloth bag are all made of antistatic terylene needled felt material system At.