CN108946170A - The delivery method of powder and granular material and the conveying device of powder and granular material - Google Patents

The delivery method of powder and granular material and the conveying device of powder and granular material Download PDF

Info

Publication number
CN108946170A
CN108946170A CN201810374137.1A CN201810374137A CN108946170A CN 108946170 A CN108946170 A CN 108946170A CN 201810374137 A CN201810374137 A CN 201810374137A CN 108946170 A CN108946170 A CN 108946170A
Authority
CN
China
Prior art keywords
conveying
powder
granular material
horizontal
trap portion
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.)
Granted
Application number
CN201810374137.1A
Other languages
Chinese (zh)
Other versions
CN108946170B (en
Inventor
助川义纪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MATSUI CO Ltd
Original Assignee
MATSUI CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by MATSUI CO Ltd filed Critical MATSUI CO Ltd
Publication of CN108946170A publication Critical patent/CN108946170A/en
Application granted granted Critical
Publication of CN108946170B publication Critical patent/CN108946170B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/04—Conveying materials in bulk pneumatically through pipes or tubes; Air slides
    • 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
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • 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
    • B65G53/00—Conveying materials in bulk through troughs, pipes or tubes by floating the materials or by flow of gas, liquid or foam
    • B65G53/34—Details
    • B65G53/66—Use of indicator or control devices, e.g. for controlling gas pressure, for controlling proportions of material and gas, for indicating or preventing jamming of material
    • 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
    • B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
    • B65G69/20—Auxiliary treatments, e.g. aerating, heating, humidifying, deaerating, cooling, de-watering or drying, during loading or unloading; Loading or unloading in a fluid medium other than air

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Transport Of Granular Materials (AREA)
  • Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
  • Drying Of Solid Materials (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Abstract

A kind of delivery method of powder and granular material, the powder and granular material of delivery source (10) is switched to multiple trap portions (30A~30E) and carries out air delivery, beginning condition is conveyed as defined in meeting in the state of if the accumulation level of the powder and granular material of any one trap portion in above-mentioned multiple trap portions is lower than the 1st horizontal (LV1), then make to convey air-source (20) movement and convey powder and granular material to the trap portion of preferential conveying target, if there is the trap portion of the inferior-defective conveying target horizontal lower than the 1st in the state of meeting above-mentioned conveying beginning condition, target will be then conveyed to be switched to the trap portion of inferior-defective conveying target and convey.

Description

The delivery method of powder and granular material and the conveying device of powder and granular material
Technical field
The present invention relates to by powder and granular material from the powder and granular material of delivery source to trap portion air delivery delivery method And the conveying device of powder and granular material.
Background technique
Conventionally, there is known by the powder and granular material of delivery source to be disposed in it is multiple supply targets respective trap portion air The conveying device of the powder and granular material of conveying.
For example, being disclosed a kind of by the resin particle being stored in bulk material holding vessel use in following patent documents 1 Attract bellows to the pneumatic conveyor for receiving hopper to convey being installed on multiple forming machines.It is open in the patent document 1 It is a kind of to be connected to from the main connection line being connected on bulk material holding vessel via branch's connection line of switching valve branch It is each that the air on hopper, after each top connection for receiving hopper will separate in bag filter with resin particle is received to attract Airline, in each airline be equipped with open and close valve pneumatic conveyor.In addition, the pneumatic conveyor is to pass through base In the detection for the leveler being located on each receiving hopper operate switching valve and open and close valve, according to each receivings hopper supply resin Grain or the structure for stopping supply.
In addition, in the patent document 1, disclose be made into bulk material storage unit be connected in series via connecting tube it is more A hopper connects the pneumatic conveyor for attracting the structure of bellows on last hopper via bag filter.This is pneumatic defeated Sending device is structure below: if the leveler of some hopper in multiple hoppers detects threshold level, making to attract wind Case movement, when each hopper being connected in the way for detecting the hopper of the threshold level is successively full of with resin particle, It detects that the hopper of threshold level is full of with resin particle, makes that bellows is attracted to stop if leveler detects upper limit level Only.
Patent document 1: Japanese Unexamined Patent Publication 11-139561 bulletin
But in the former pneumatic conveyor documented by the above patent document 1, due to the detection based on leveler According to receiving hopper to carry out pneumatic conveying, so thering is conveying number to become more trends, therefore, it is possible to attract bellows by continually Open and close is easy that the useless times such as rise time continually occur.In addition, if delivery source is to accumulate powder and granular material And dry drying device, then ambient atmos easily flow into drying device whenever conveying, if powder and granular material is sudden and violent It is exposed in ambient atmos, it is likely that moisture absorption or oxidation occurs.
In addition, in the pneumatic conveyor of the latter documented by above patent document 1, due to needing that inspection will be connected to Each hopper measured in the way of the hopper of threshold level is successively full of with resin particle, so in the hopper for detecting threshold level Middle generating material is insufficient (feed is insufficient) or in away from the closer hopper of delivery source because just by resin particle whenever conveying Full of so there is the trend of the residence time long life in hopper.
Summary of the invention
The present invention made in view of above-mentioned actual conditions, it is therefore an objective to be provided and a kind of be subtracted can be realized conveying number While few, can be realized powder and granular material in trap portion residence time shortening powder and granular material delivery method and The conveying device of powder and granular material.
In order to achieve the above object, the delivery method of powder and granular material for the present invention is by the bulk material of delivery source Material switches to multiple trap portions and the delivery method of the powder and granular material that carries out air delivery, which is characterized in that if upper The accumulation level of the powder and granular material of any one trap portion in multiple trap portions is stated lower than satisfaction regulation in the state of the 1st level Conveying start condition, then make to convey air-source movement and convey powder and granular material to the trap portion of preferential conveying target, if There is the trap portion of the inferior-defective conveying target horizontal lower than the 1st in the state of meeting above-mentioned conveying beginning condition, then will convey mesh Mark is switched to the trap portion of inferior-defective conveying target and conveys.
In addition, in order to achieve the above object, the conveying device of powder and granular material for the present invention is by the powder of delivery source Plastochondria material switches to multiple trap portions and the conveying device of the powder and granular material that carries out air delivery, which is characterized in that has: 1st horizontal test section, as above-mentioned multiple trap portions it is respective in powder and granular material accumulation it is horizontal and detect the 1st horizontal； Beginning condition test section is conveyed, the satisfaction of conveying beginning condition as defined in detection in the state of being lower than 1 level；Control Portion executes control as follows, if horizontal lower than the 1st in the accumulation level for detecting some trap portion in above-mentioned multiple trap portions In the state of detect that above-mentioned conveying starts the satisfaction of condition, then make to convey air-source movement, make powder and granular material to preferential defeated The trap portion of target is sent to convey, if detecting the inferior-defective horizontal lower than the 1st in the state of meeting above-mentioned conveying beginning condition The trap portion of (secondly) conveying target will then convey target and be switched to the trap portion of inferior-defective conveying target and convey.
Invention effect
The delivery method of powder and granular material according to the present invention, and the conveying of powder and granular material for the present invention is filled It sets and is made into structure as described above, while can be realized the reduction of conveying number, can be realized the bulk material in trap portion The shortening of the residence time of material.
Detailed description of the invention
Fig. 1 is to show schematically the present invention used in the delivery method of the powder and granular material of one embodiment of the present invention An embodiment powder and granular material conveying device an example outline system construction drawing.
Fig. 2 is the outline stream for being schematically illustrated at an example for the elemental motion (delivery method) being performed in the conveying device Cheng Tu.
Fig. 3 (a-1)~Fig. 3 (b-5) is that the part of an example for the trap portion for showing schematically that the conveying device has is cutd open Disconnected outline longitudinal section view.
Fig. 4 (c-1)~Fig. 4 (d-5) is that the part of an example for the trap portion for showing schematically that the conveying device has is cutd open Disconnected outline longitudinal section view.
Fig. 5 (e-1)~Fig. 5 (f-5) is that the part of an example for the trap portion for showing schematically that the conveying device has is cutd open Disconnected outline longitudinal section view.
Fig. 6 (g-1)~Fig. 6 (h-5) is that the part of an example for the trap portion for showing schematically that the conveying device has is cutd open Disconnected outline longitudinal section view.
Fig. 7 is an example for showing schematically the delivery method of powder and granular material of another embodiment for the present invention General flowchart.
Label declaration
The conveying device of 1 powder and granular material
10 drying devices (delivery source)
20 conveying air-sources
30A~30E trap portion
33A~33E upper horizontal meter (the 1st horizontal test section)
34A~34E lower horizontal meter (conveying beginning condition test section)
36 control units (conveying beginning condition test section)
39A~39E traps leveler (the 1st horizontal test section)
LV1 the 1st is horizontal
LV2 the 2nd is horizontal
The 1st time of t1
Specific embodiment
Hereinafter, the embodiments of the present invention will be described with reference to the drawings.
In addition, using solid line to show schematically the pipeline in the path passed through as conveying air and powder and granular material in Fig. 1 (piping) etc..
In addition, showing schematically the detection and opening and closing, ON/OFF of each equipment in the general flowchart in Fig. 2 and Fig. 7 Deng.
FIG. 1 to FIG. 6 is to show schematically an example and bulk material material of the delivery method of powder and granular material of the 1st embodiment The figure of an example of the conveying device of material.
The delivery method of the powder and granular material of present embodiment is to be filled using the conveying of the powder and granular material of present embodiment Set the structure of 1 execution.In addition, the delivery method of the powder and granular material in relation to present embodiment is also able to use other conveying devices To execute.
The conveying device 1 of the powder and granular material to switch the powder and granular material of delivery source 10 to multiple as shown in Figure 1, catch Collection portion 30A~30E and the structure for carrying out air delivery.The powder and granular material trapped in these multiple trap portion 30A~30E It is supplied to supply target 6A~6E.In addition, in the present embodiment, for can be by the powder and granular material of material source 2 to conveying The structure that source 10 conveys.
Here, above-mentioned powder and granular material refers to powder/plastochondria shape material, but including microlamellar or staple fiber piece Shape/strip material etc..
In addition, as above-mentioned material, or the synthetic resin materials such as resin particle or resin fibre piece, metal material Material as material, semiconductor material, wood materials, drug material, food material etc..
In addition, natural material can be enumerated as powder and granular material, such as in the case where shaping forming synthetic resin product Expect (virgin materials) or comminution of material, base material, various added materials etc..In addition, as powder and granular material, it also can be made and include The structure of the reinforcing fiber of glass fibre or carbon fiber etc..
Delivery source 10 is made into the drying device 10 that powder and granular material is dry in the present embodiment.The drying device 10 Have accumulate powder and granular material in hopper shape reservoir 11, by reservoir 11 powder and granular material heat heating source 12 and the vacuum pump 13 as vacuum occurring source that will be depressurized in reservoir 11.That is, drying device 10 is one side by reservoir 11 Interior decompression is heated and the decompression type drying device that powder and granular material is dry on one side.
Heating source 12 is the heater 12 being arranged in a manner of along the outer peripheral surface of reservoir 11, for via reservoir 11 The heating source for the heat transfer type that side peripheral wall heats powder and granular material indirectly.In addition, the central portion of the vertical view in reservoir 11, Equipped with vertically extend, the cylindrical body of built-in having heaters 12.It has been made into the internal perisporium and cylindrical body in reservoir 11 On outer peripheral surface, the circumferentially spaced structure for being equipped at intervals with multiple thermofins outstanding on along radial direction.In addition, It can be in structure of the peripheral side of reservoir 11 equipped with thermal insulator etc..In addition, as by the powder and granular material in reservoir 11 The heating source 12 of heating, also can replace such mode or herein on be made into will by heater etc. heat after gas vector product The heat gas supply unit supplied in portion 11 is deposited, furthermore also can be made various structures.
Vacuum pump 13 is connected in reservoir 11 via vacuum attraction pipeline.In legend, illustrate in reservoir 11 Top be connected to the example of vacuum attraction pipeline.Filter is equipped in the suction side of the vacuum pump 13.It is real by the vacuum pump 13 Decompression state in existing reservoir 11 refers to the vacuum state for becoming the pressure state forced down than atmosphere in reservoir 11, but The importing etc. for the gas that can also be imported and solidification (bridge formation) of the powder and granular material in reservoir 11 in order to prevent, and face The pressure in reservoir 11 is set to when property to become atmospheric pressure or more.
As the vacuum pump 13, for example, can also using be able to carry out depressurize so that arrival vacuum degree in reservoir 11 at For 20kPa (abs)~left and right 4kPa (abs) pump.
In addition, in vacuum attraction pipeline, equipped with atmospheric open valve 14 or for detect the pressure sensor of vacuum degree or The pressure gauge etc. of Instrument for Pressure etc..Other vacuum such as injector device are used alternatively, it is also possible to replace vacuum pump 13 Occurring source.
In addition, being equipped with and being opened and closed when putting into (supply) powder and granular material to reservoir 11 in the upper end side of reservoir 11 The investment valve 16 as material throw-in part.The investment valve 16 is arranged on investment pipe and general set on the upper end side of reservoir 11 Between the delivery source trap portion 17 of powder and granular material trapping from material source 2.The investment valve 16 is that will throw in the lockout condition Enter the structure that pipe (reservoir 11) and delivery source trap portion 17 airtightly separate.On the other hand, it is configured to, if making the investment valve 16 is open, then the powder and granular material being captured in delivery source trap portion 17 is put into via investment pipe into reservoir 11.Make For such investment valve 16, it is also possible to have under the effect of the driving portions such as cylinder in a manner of transversal pipeline relative to pipeline The slide damper of the valve body for the plate slided on axis direction orthogonal direction can also use various structures in addition to this.
In addition, being equipped with delivery source leveler 15 in reservoir 11.In the present embodiment, it has been made into the delivery source water Flat meter 15 is located at the structure for putting into pipe for being connected with the upper end side of reservoir 11 and being arranged.In addition, illustrating the delivery source water It is horizontal and detect the example of the flat upper limit level meter of full water that flat meter 15 is made into the accumulation as the powder and granular material in reservoir 11. That is, constituting are as follows: the detection for having material of the delivery source leveler 15 becomes the triggering letter for stopping the conveying to reservoir 11 Number.It alternatively, it is also possible to replace such mode, and is that delivery source leveler 15 is made into detection material requirements level as accumulation The mode of horizontal requirement (lower limit) leveler of the accumulation of the powder and granular material in portion 11.It is set in this case as well, it is possible to be made into It sets the flat other levelers of detection full water or carries out conveying to reservoir 11 until by conveying as defined in preset The structure etc. of time.
Delivery source trap portion 17 has been made into the structure that will be trapped from the powder and granular material of 2 air delivery of material source.At this On delivery source trap portion 17, it is connected to be connected to the material conveying pipe 3 of material source 2 and is connected to the work of conveying air-source 20 For the delivery source lateral line 4 of air pipe line.In the present embodiment, will when by the powder and granular material of material source 2 to drying device Driven conveying air-source 20 and by the bulk material as the drying device 10 of delivery source when 10 air deliveries (primary conveying) Material, which switches driven conveying air-source 20 when carrying out air delivery (second-pumping) to multiple trap portion 30A~30E, to be done At common conveying air-source.That is, primary conveying and second-pumping can be executed with single conveying air-source 20 by being made into Structure.In addition, being made into makes the Attractive side of the conveying air-source 20 be communicated to delivery source lateral line 4 with by the powder of material source 2 Plastochondria material attracts the structure of conveying.
In addition, in delivery source trap portion 17, equipped with by via material conveying pipe 3 by the powder and granular material of air delivery With the separation units such as filter of conveying air separation.
If the powder and granular material trapped in the delivery source trap portion 17 makes to put into valve 16 as open state, lead to Self weight is crossed to fall and accumulated into reservoir 11.
As material source 2, or material tank, by the weigh-hatching plant of powder and granular material metering or by a variety of bulk materials The cooperation hopper etc. that material is cooperated with regulated proportion.In addition it is also possible to by the interim product in the downstream side for being located at these various hoppers Portion is deposited as material source 2.Furthermore, however it is not limited to be connected to material conveying pipe 3 on single material source 2 and by single powder The mode that plastochondria material is conveyed towards reservoir 11 also can be made to be connected to and accumulate the multiple of different powder and granular materials respectively On material source 2, the mode that a variety of powder and granular materials can be conveyed towards reservoir 11 etc..
In addition, being equipped with conduct being connected on the discharge pipe 18 that is arranged with the lower end side of the reservoir 11 of drying device 10 The dump valve 19 of material exhausting portion.As such dump valve 19, above-mentioned same slide damper also can be made, but in this reality It applies in mode, has been made into the valve for having and sliding and will be discharged atretostomia along pipeline axis direction under above-mentioned same driving portion effect The promotion baffle of body.In addition it is also possible to be made into relative to the discharge pipe 18 made axially along up and down direction via bending section with The end of the pipeline of horizontal or skewed setting is equipped with the structure for being discharged the outlet of valve body opening and closing of valve 19.In addition, It can be made in the downstream side of the valve body of dump valve 19 equipped with the material conveying pipe that will be communicated to multiple trap portion 30A~30E 21 and be communicated to conveying air-source 20 air pipe line 28 connect interconnecting piece structure.The dump valve 19, which has been made into, to be latched The structure for airtightly separating the interconnecting piece of reservoir 11 and downstream side under state.Alternatively, it is also possible to for so that dump valve 19 It opens, make to convey the structure for needing importing conveying auxiliary air when conveying powder and granular material in the state that air-source 20 acts.This Outside, the material exhausting portion being discharged as the powder and granular material for the drying device 10 that will be used as delivery source, can also adopt in addition to this With various structures.
The supply target 6A~6E for the powder and granular material becomeing trapped in multiple trap portion 30A~30E is in this embodiment party It is forming machine 6A~6E in formula.
These forming machines 6A~6E is for example also possible to injection machine etc., and in the present embodiment, illustrating respectively to catch Collection portion 30A~30E is placed directly onto the example on each forming machine 6A~6E.It is alternatively, it is also possible to replace such mode Towards the mode etc. of the further air delivery of forming machine 6A~6E.In addition, as supply forming machine 6A~6E of target and unlimited In the injection machine for shaping forming synthetic resin product, it is also possible to the injection machine of other materials, or can also be with It is other forming machines such as extrusion moulding machine or compressing forming machine of various materials.In addition, as each trap portion 30A Supply target 6A~6E of~30E, however it is not limited to forming machine, the loading hopper or drying device, cooperation being also possible on forming machine Device etc..
In addition, the conveying device 1 of powder and granular material have the multiple trap portion 30A~30E of detection it is respective in be used as powder The 1st horizontal test section 33A~33E of the 1st horizontal horizontal LV1 of the accumulation of plastochondria material, in the state for being lower than the 1st horizontal LV1 The conveying of the satisfaction of conveying beginning condition as defined in lower detection starts condition test section 34A~34E and has to execute aftermentioned rule The control panel 35 of the control unit 36 of fixed conveying control.
Multiple trap portion 30A~30E are in the present embodiment by the 1st trap portion 30A, the 2nd trap portion 30B, the 3rd trap portion 30C, the 4th trap portion 30D and the 5th trap portion 30E are constituted.1st trap portion 30A is arranged on the 1st forming as supply target On machine 6A.2nd trap portion 30B is arranged on the 2nd forming machine 6B as supply target.3rd trap portion 30C is arranged on work On the 3rd forming machine 6C to supply target.4th trap portion 30D is arranged on the 4th forming machine 6D as supply target.5th Trap portion 30E is arranged on the 5th forming machine 6E as supply target.
These multiple trap portion 30A~30E are also equipped with the accumulation function temporarily accumulated other than the function of trapping Energy.In addition, these multiple trap portion 30A~30E can also have both standby dust remove function or mixed function.
In addition, in the present embodiment, these multiple trap portion 30A~30E may be mutual same structure.Separately Outside, it also can replace such mode, and these multiple trap portion 30A~30E be made into mutually different structure, such as basis Processing capacity (the processing (consumption) of powder and granular material per unit time of forming machine 6A~6E as respective supply target Amount) and it is different capacity etc..
These trap portions 30A~30E has the main body that will be trapped from the powder and granular material of 10 air delivery of drying device Portion 31A~31E and reservoir 32A~the 32E for accumulating the powder and granular material trapped in these main parts 31A~31E.
Main part 31A~31E is made into hopper shape.On these main parts 31A~31E, it is connected to be communicated to dry dress It sets 10 transfer pipeline 23A~23E and is communicated to air pipe line 24A~24E of conveying air-source 20.In addition, in these main bodys On portion 31A~31E, same as above-mentioned delivery source trap portion 17, being equipped with will be via each transfer pipeline 23A~23E and by air The powder and granular material of conveying and the separation unit of conveying air separation.In addition, being caught as these main parts 31A~31E and delivery source The separation unit in collection portion 17, or make powder and granular material from the construction of conveying air separation by so-called cyclone type.In addition, Also the structures such as the dump valve being blocked when air delivery is arranged in the lower end side of these main parts 31A~31E be can be made.
Transfer pipeline 23A~23E in the present embodiment, is conveyed from the material for the discharge side for being connected to drying device 10 Pipeline 21 is via 22 branch of branch portion.The branch portion 22, which has, is connected to a plurality of (being 5 in the present embodiment) transfer pipeline 23A~23E it is respective on downstream side interconnecting piece 22a~22e and the upstream side that is connected on single material conveying pipe 21 Interconnecting piece 22f.That is, the branch portion 22 has to branch into from single upstream side interconnecting piece 22f a plurality of (is in the present embodiment 5) downstream side interconnecting piece 22a~22e.The branch portion 22 is to connect to downstream side not to be switched the structure of the switchings such as valve Some interconnecting piece of generation suction function in socket part 22a~22e carries out the structure of the conveying of powder and granular material.That is, dry dress The powder and granular material for setting 10 is communicated to the defeated of conveying air-source 20 towards in transfer pipeline 23A~23E via branch portion 22 Send Pipeline transport.
Air pipe line 24A~24E is empty in single conveying via the connection of conveying target switching valve 25 in the present embodiment On gas source 20.
Conveying target switching valve 25 has respective with a plurality of (being 5 in the present embodiment) air pipe line 24A~24E Upstream side interconnecting piece 25a~25e of connection and the downstream being connect with the single air-source lateral line 27 of conveying 20 side of air-source Side interconnecting piece 25f.In addition, under being equipped in the conveying target switching valve 25 and having and will be located at upstream side interconnecting piece 25a~25e Swim switching valve 26A~26E of the valve body of the downstream side opening opening and closing of side.These switching valves 26A~26E as described above, can also Think the structure for making valve body slides by driving portions such as cylinders.
If some switching valve (such as the 1st switching valve 26A) in these switching valves 26A~26E is set as out, by other Switching valve (the 2nd switching valve 26E of switching valve 26B~the 5th) be set as closing, then in air pipe line 24A~24E be set as out The corresponding air pipe line of switching valve (the 1st air pipe line 24A) is connected to air-source lateral line 27.On the other hand, be set as closing The corresponding air pipe line of switching valve (the 2nd air pipe line 24E of air pipe line 24B~the 5th) and air-source lateral line 27 separated. In addition, the mode as switching conveying target, also can replace the mode of the single conveying target switching valve 25 of such setting And it is made into the structure equipped with multiple switching valves.Collaborate in this case as well, it is possible to be made into to single air-source lateral line 27 The substantially same merging part of above-mentioned branch portion 22 etc. structure.In addition it is also possible to instead of in this way in air pipe line 24A~24E Side be equipped with conveying target switching valve 25 mode or herein on be set as the side transfer pipeline 23A~23E be equipped be used to switch it is defeated Send the mode of valve of target etc..
Air-source lateral line 27 and the delivery source lateral line 4 being connected on above-mentioned delivery source trap portion 17 are via conveying air Switching valve 5 is communicated to the air pipe line 28 for being equipped with conveying air-source 20.Conveying air switching valve 5, which has, is connected to conveying source The primary side interconnecting piece 5a of pipeline 4, it is connected to the secondary side interconnecting piece 5b of air-source lateral line 27 and is connected to air pipe line 28 Downstream side interconnecting piece 5c.In addition, in conveying air switching valve 5, if primary side interconnecting piece will be located at equipped with that will be made into The valve body for the structure that side locking in the downstream side opening in the downstream side of 5a and secondary side interconnecting piece 5b then makes another party open The driving portion of the cylinder of driving etc..Become if making the valve body of the conveying air switching valve 5 by the downstream of primary side interconnecting piece 5a The state (if being switched to secondary side) of side opening locking, becomes the state for capableing of second-pumping.On the other hand, if by defeated The valve body of air switching valve 5 is sent to be set as the state by the downstream side opening locking of secondary side interconnecting piece 5b (if be switched to primary Side), then become the state that can once convey.
In the upstream side of the conveying air-source 20 of air pipe line 28, the foreign matter or dust for including in air will be conveyed by being equipped with The filter 29 of equal capture.The structure of cyclone filter is additionally provided in the upstream side of the filter 29 alternatively, it is also possible to be made into.
Conveying air-source 20 has been made into the conveying air switching valve 5 for being connected to the upstream side that suction side is air pipe line 28 Side, exhaust end are connected to the attraction bellows of 19 side of dump valve as the downstream side of air pipe line 28.In addition, in order to should The revolving speed for conveying the drive motor of air-source 20 is changed according to the type etc. with caliber or powder and granular material, also be can be made and is equipped with The structure of inverter etc..
In addition, as conveying air, however it is not limited to which atmosphere is also possible to the oxygen of the dry air being dehumidified or nitrogen, argon etc. The lower inert gas of containing ratio.Sky will be conveyed in this case as well, it is possible to be made into and be equipped in the circulating path of conveying air The structure of the drying machine of gas dehumidifying or the seperation film for generating nitrogen etc. etc., or by dry air or inert gas from other roads Radial circulation path supplies such mode etc..
Reservoir 32A~32E of multiple trap portion 30A~30E is made into tubular in the present embodiment.In addition, can also In such a way that replacement is such, and part or all in these multiple reservoir 32A~32E is made into hopper shape.
The outlet of the lower end of these reservoirs 32A~32E is connected to each forming machine 6A~6E, to be communicated to as confession To the input port of each forming machine 6A~6E of target.In addition, the powder in these reservoirs 32A~32E will be accumulated in by being made into The structure that body material is supplied to each forming machine 6A~6E with aerial drainage shape.That is, being made into in each forming machine 6A~6E medium silt The structure of body material (consumption) processed and the horizontal decline of accumulation in each reservoir 32A~32E (each trap portion 30A~30E). The discharge being quantitatively discharged towards each forming machine 6A~6E is equipped in the lower end of each reservoir 32A~32E alternatively, it is also possible to be made into The structure in portion etc..
In addition, in the present embodiment, respective upper be equipped with that also can be made in these reservoirs 32A~32E detects the 1st The structure of upper horizontal meter 33A~33E as the 1st horizontal test section of horizontal LV1.
These upper horizontal meter 33A~33E match as shown in Fig. 3 (a-1)~Fig. 3 (a-5) to be set as, as each accumulation The accumulation of portion 32A~32E is horizontal and detects the 1st horizontal LV1 at up and down direction position on the way.In legend, illustrate these Upper horizontal meter 33A~33E matches the 1st horizontal LV1 for being set as detecting the up and down direction substantially central portion of each reservoir 32A~32E Example.
In addition, in the present embodiment, be configured to, these reservoirs 32A~32E it is respective in, start as conveying Condition test section (detection it is aftermentioned 2nd conveying beginning condition the 2nd conveying beginning condition test section) and be equipped with detection the 1st water of ratio Lower horizontal meter 34A~34E as the 2nd horizontal test section of the 2nd flat LV1 low horizontal LV2.
Lower horizontal meter 34A~34E, which matches, to be set as, and the accumulation as each reservoir 32A~32E is horizontal and detects and compares upper and lower To the 2nd horizontal LV2 of central portion side on the lower.In legend, illustrates and these lower horizontal meter 34A~34E are arranged To detect the 2nd horizontal LV2 of the height and position of the lower end side substantially 1/6 away from each reservoir 32A~32E in the up-down direction Example.As long as in addition, being than being examined by upper horizontal meter 33A~33E by the 2nd horizontal LV2 that lower horizontal meter 34A~34E is detected The position of upper horizontal meter 33A~33E and lower horizontal meter 34A~34E is arranged in the 1st horizontal LV1 surveyed low level It is not limited to position as legend.For example, it is also possible to more against the top than legend to detect for setting upper horizontal meter 33A~33E Lower horizontal meter 34A~34E is arranged to detect the level of the up and down direction substantially central portion of each reservoir 32A~32E in side position Mode etc., in addition to this, also can be set in various height and positions.
In addition, these upper horizontal meter 33A~33E and lower horizontal meter 34A~34E are non-contact in the present embodiment Formula sensor.As such noncontacting proximity sensor, it is also possible to induction or electrostatic capacitance, ultrasonic type, light The sensors such as electric-type.In addition, as upper horizontal meter 33A~33E and lower horizontal meter 34A~34E, however it is not limited to contactless Sensor is also possible to the touch sensors such as pedal or oscillatory type.The is detected respectively in addition it is also possible to replace being equipped in this way The mode of the upper horizontal meter 33A~33E and lower horizontal meter 34A~34E of 1 horizontal LV1 and the 2nd horizontal LV2, and using can Detect single ultrasonic level meter or microwave level gauge, the electrostatic capacitance continuous horizontal of the 1st horizontal LV1 and the 2nd horizontal LV2 Multistages (multistage) leveler or the continuous horizontal meters such as meter.
In addition, illustrating in legend by the horizontal LV2 difference of the 1st horizontal LV1 and the 2nd in each reservoir 32A~32E It is set as the example of roughly the same horizontal (height and position), but may be different levels.In addition it is also possible to be configured to, it can The change of the accumulation capacity from the 2nd horizontal LV2 to the 1st horizontal LV1 is carried out according to the processing capacity of each forming machine 6A~6E, so that Accumulate the processed processing of powder and granular material until the 1st horizontal LV1 from the 2nd horizontal LV2 in each reservoir 32A~32E Time is mutually roughly the same (or integral multiple of some processing time).For example, it is also possible to which upper horizontal can be changed by being made into Count the structure of the height and position of a two or side of 33A~33E and lower horizontal meter 34A~34E.
Control panel 35 has: control unit 36 is made of CPU etc.；Display operation unit 37 is connected to via signal wire etc. On the control unit 36, it is configured to set, input or show the display unit and operation portion of various settings etc.；Storage unit 38 saves There are the setting condition for being set, inputting by the operation of the display operation unit 37 or input value, for executing aftermentioned each mode Deng various programs, preset various operation conditions, the various tables of data such as control program etc., and by structures such as various memories At.In addition, the control panel 35 also can be set in the conveying device 1 of the powder and granular material, it is also possible to setting and is constituting packet In some equipment for including the transportation system of the conveying device 1 of the powder and granular material.In addition, the control panel 35 also can be set at this The suitable position of the conveying device 1 of powder and granular material, also can be set in the place left from it.In legend, illustrating makes Control panel 35 is adjacent to drying device 10 and the example of setting.
Control unit 36 is also configured to, and has the timing unit such as clock timer or arithmetic processing section etc., via signal wire Etc. each equipment (heater 12, vacuum pump 13, atmospheric open valve 14, investment valve 16 and the discharge for being connected to above-mentioned drying device 10 Valve 19) or conveying air-source 20, conveying air switching valve 5, the conveying device for conveying the powder and granular materials such as target switching valve 25 In each equipment required for 1 movement and control them.In addition, the control unit 36 be also connected to via signal wire etc. it is above-mentioned defeated It send on the various detection devices such as source leveler 15 or upper horizontal meter 33A~33E, lower horizontal meter 34A~34E.In addition, control Portion 36 can also be also connected in the material sensors or discharge unit of material source 2 as needed.
The control unit 36 is configured to, and executes control below: if detecting certain in multiple trap portion 30A~30E The accumulation level of a trap portion detects the defined satisfaction for conveying beginning condition in the state of being lower than the 1st horizontal LV1, then makes defeated It send air-source 20 to act and makes powder and granular material to the trap portion conveying of preferential conveying target, if conveying beginning condition meeting In the state of detect LV1 horizontal lower than the 1st inferior-defective conveying target trap portion, then will conveying target be switched to inferior-defective conveying The trap portion of target and convey.In addition, in the present embodiment, control unit 36 is configured to, control below is executed: if examining The accumulation level for measuring some trap portion in multiple trap portion 30A~30E is low lower than detecting in the state of the 1st horizontal LV1 In the 2nd horizontal LV2, then makes to convey the movement of air-source 20, make powder and granular material to the preferential conveying mesh for being lower than the 2nd horizontal LV2 Target trap portion conveying, if detected in the state that the trap portion of preferentially conveying target is lower than 2 horizontal LV2 lower than the 1st The trap portion of the inferior-defective conveying target of horizontal LV1 will then convey target and be switched to the trap portion of inferior-defective conveying target and convey.
In addition, control unit 36 is configured to, control below is executed: if in detecting multiple trap portion 30A~30E The accumulation level of the powder and granular material of some trap portion is lower than in the state of the 1st horizontal LV1, detects preset quantity The accumulation level of trap portion is lower than the 1st horizontal LV1, then is determined as meeting (the aftermentioned 1st conveying beginning article of conveying beginning condition Part), the trap portion for making powder and granular material be lower than the 1st horizontal LV1 to these conveys.That is, control unit 36 is also as the 1st conveying of detection 1st conveying beginning condition test section of beginning condition functions.
Hereinafter, illustrating the conveying as the powder and granular material in the present embodiment for being made into above structure referring to Fig. 2~Fig. 6 Specific an example of the delivery method of the powder and granular material of an example of the elemental motion executed in device 1.In addition, movement below Example is executed by the control of control unit 36.It, can also on-off action to each valve or each equipment in addition, in the following examples ON/OFF movement setting delay time, or sequentially carry out each valve on-off action and each equipment ON/OFF movement.
Firstly, as shown in Fig. 2, include powder and granular material conveying device 1 system (formation system) started just In preparation stage phase, if drying device 10 is dummy status or material requirements state, execute the powder and granular material of material source 2 The transport model conveyed to drying device 10.In the present embodiment, if from the delivery source leveler of drying device 10 15 outputs material requirements signal (no fret signal) (if there is material (full) blackout), then execute a transport model.? In transport model, dump valve 19 is set as closing, atmospheric open valve 14 and investment valve 16 are set as out, air-source will be conveyed 20 are set as starting (ON) state.In addition, being set as delivery source lateral line 4 in a transport model and air pipe line 28 connecting Logical, conveying air switching valve 5 is switched to primary side so that air-source lateral line 27 and air pipe line 28 become the shape separated The state of state.
The powder and granular material of material source 2 is (primary by 17 air delivery of delivery source trap portion towards drying device 10 as a result, Conveying), in delivery source trap portion 17 with conveying air separation, and to drying device 10 put into.
In addition, in a transport model, or the vacuum pump 13 of drying device 10 is stopped (OFF), heating The state that device 12 is started.In addition, switching valve 26A~26E of conveying target switching valve 25 is set in a transport model For closed state.
In addition, becoming in the early stage in the transport model of preparation stage from the 1st water for constituting each trap portion 30A~30E Upper horizontal meter 33A~33E of flat test section and the lower horizontal meter 34A~34E for constituting the 2nd horizontal test section output material It is required that the state (accumulating the horizontal state for being lower than the 2nd horizontal LV2) of signal (no fret signal) is (also referring to Fig. 3 (a-1)~Fig. 3 (a-5)).In addition, each forming machine 6A~6E is to stop or shape to stop shape in the early stage in the transport model of preparation stage State.
Also, the execution that a transport model is carried out in the preparation stage in the early stage, if from the delivery source of drying device 10 The output of leveler 15 has material (full water is flat) signal, then is transferred to the mode of being dried under reduced pressure from a transport model.It is dry in the decompression In dry mode, atmospheric open valve 14 and investment valve 16 are closed, and conveying air-source 20 is stopped, and vacuum pump 13 is set as starting shape State.In addition, being dried under reduced pressure in mode at this as following state, air-source lateral line 27 is connected to air pipe line 28, is conveyed Air switching valve 5 is to be switched to secondary side so that delivery source lateral line 4 and air pipe line 28 become the state separated.By This, the powder and granular material in drying device 10 is heated drying in the state of decompression.In addition, so in this way when in decompression state Under when being dried, gas (purgative gas can also be imported into drying device 10 for the air in displacement drying device 10 Body) or in order to prevent the so-called arch formation of powder and granular material and into drying device 10 import assign impact gas.This Outside, switching when the second-pumping mode that the switching to secondary side of conveying air switching valve 5 can also be stated after execution.
Also, if the powder and granular material in drying device 10 is dried, from the upper horizontal of each trap portion 30A~30E It counts 33A~33E and lower horizontal meter 34A~34E and exports material requirements signal, then execute second-pumping mode.In initial stage standard In the second-pumping mode in standby stage, in the case where each trap portion 30A~30E is dummy status, mesh will can also be successively conveyed Mark is switched to each trap portion 30A~30E and executes air delivery (second-pumping).In addition, in the second-pumping mode, for row Valve 19 and atmospheric open valve 14 are opened out, vacuum pump 13 is stopped, convey the state that air-source 20 is started.In addition, this is first The second-pumping mode of preparation stage phase can also be opened and closed by that will convey each switching valve 26A~26E of target switching valve 25, be pressed It is carried out in the proper sequence according to trap portion 30A~30E.In legend, illustrate with the 1st trap portion 30A, the 2nd trap portion 30B, The example of the sequence of 3rd trap portion 30C, the 4th trap portion 30D and the 5th trap portion 30E execution second-pumping.
When by the powder and granular material of drying device 10 to the 1st trap portion 30A air delivery, the 1st switching valve 26A is beaten It opens, other switching valve 26B~26E is closed.The powder and granular material of drying device 10 is defeated to the 2nd trap portion 30B air When sending, the 2nd switching valve 26B is opened, other switching valves 26A, 26C~26E is closed.When by the bulk material of drying device 10 When material is to the 3rd trap portion 30C air delivery, the 3rd switching valve 26C is opened, by other switching valve 26A, 26B, 26D, 26E It closes.When by the powder and granular material of drying device 10 to the 4th trap portion 30D air delivery, the 4th switching valve 26D is opened, it will Other switching valve 26A~26C, 26E are closed.When by the powder and granular material of drying device 10 to the 5th trap portion 30E air delivery When, the 5th switching valve 26E is opened, other switching valve 26A~26D are closed.In addition, when executing the second-pumping mode, Conveying air-source 20 is not stopped and is action state.
By executing the second-pumping mode, become the shape that powder and granular material is accumulated in each trap portion 30A~30E State becomes the material requirements signal of the upper horizontal meter 33A~33E and lower horizontal meter 34A~34E of each trap portion 30A~30E (the having material) state to disappear (also referring to Fig. 3 (b-1)~Fig. 3 (b-5)).
In addition, may be substantially same according to the amount (conveying capacity) of these trap portions 30A~30E conveying powder and granular material Amount, but also can be set to according to accumulation capacity of the processing capacity of each forming machine 6A~6E or each trap portion 30A~30E etc. without Same amount.In addition, according to the conveying capacity of the powder and granular material of these trap portions 30A~30E also can be set to each trap portion 30A~ The 2 times or more of the accumulation capacity from the 2nd horizontal LV2 to the 1st horizontal LV1 in 30E.In addition, according to these trap portions 30A~ The adjustment of the conveying capacity of the powder and granular material of 30E can also be by adjusting the time for keeping each switching valve 26A~26E open (when opening Between) come carry out.In addition, initial preparatory stage (for example, the accumulation level of the powder and granular material of each trap portion 30A~30E is lower than the The state of 2 horizontal LV2) under second-pumping mode execute when conveying capacity may be than in aftermentioned constant phase run Conveying capacity amount when second-pumping mode executes is big.
If executing second-pumping mode as described above, under the accumulation of the powder and granular material of drying device 10 is horizontal Drop, becomes the shape that material requirements signal (no fret signal) (having material (full) blackout) is outputed from delivery source leveler 15 State.Therefore, in the present embodiment, it has been made into the structure that a transport model is transferred to if second-pumping mode terminates. That is, each switching valve 26A~26E and dump valve 19 of conveying target switching valve 25 are closed, investment valve 16 is opened, and conveys air Switching valve 5 is switched to primary side.In addition, conveying air-source 20 is when being a transport model from second-pumping mode shifts It is not stopped and is action state.That is, in the present embodiment, to connect in the state of movement conveying air-source 20 and not stopping The structure of second-pumping mode and a transport model is carried out continuously.
In addition, if having material (full water flat) signal from the output of the delivery source leveler 15 of drying device 10, then with it is above-mentioned Equally, a transport model is moved to end, and is transferred to the mode of being dried under reduced pressure.
In addition, if having accumulated powder and granular material in each trap portion 30A~30E, then each forming machine 6A~6E is started, It is appropriately performed the forming preparatory process such as cleaning or examination movement, becomes the steady motion period that process is successively formed.If Accumulation by the powder and granular material of each trap portion 30A~30E of the execution of the forming process in each forming machine 6A~6E is horizontal Decline, and meet defined conveying beginning condition, then execute second-pumping mode.
In the present embodiment, it constitutes are as follows: if the bulk material of some trap portion in multiple trap portion 30A~30E The accumulation level of material is lower than in the state of the 1st horizontal LV1, the accumulation of the powder and granular material of the trap portion of preset quantity Level is lower than the 1st horizontal LV1, then meets conveying beginning condition (the 1st conveying beginning condition).Furthermore it constitutes are as follows: if multiple The accumulation level of the powder and granular material of some trap portion in trap portion 30A~30E is lower than in the state of the 1st horizontal LV1, any The accumulation level of the powder and granular material of a trap portion is not less than the 2nd horizontal LV2, the powder of the trap portion of preset quantity The accumulation level of body material is lower than the 1st horizontal LV1, then meets the 1st conveying beginning condition.
Furthermore it constitutes are as follows: by being lower than in the trap portion of the accumulation level of powder and granular material lower than the 1st horizontal LV1 at first Trap portion of the trap portion as preferential conveying target, using other trap portions as the trap portion of inferior-defective conveying target, to excellent After the trap portion execution second-pumping for first conveying target, target is conveyed to the trap portion switching of inferior-defective conveying target and is executed secondary Conveying.In addition, for multiple inferior-defectives are conveyed with the trap portion of target with the structure of the sequentially-fed lower than the 1st horizontal LV1.In addition, Also it can replace such mode, and be the order for having preset the sequence of batching products of the trap portion to multiple inferior-defectives conveying target Deng.
Furthermore it constitutes are as follows: in the state that the accumulation level of the powder and granular material of some trap portion is lower than 1 horizontal LV1, If the accumulation level of the powder and granular material of remaining whole trap portion is lower than the 1st horizontal LV1, meet the 1st conveying beginning article Part.That is, the quantity of preset trap portion is set as 4.In addition, the quantity of preset trap portion is not limited to remaining Whole (4), also can be set to quantity appropriate.
In legend, illustrate that the accumulation level in the powder and granular material of the 5th trap portion 30E is lower than the shape of the 1st horizontal LV1 Start two under state, if the accumulation level of the powder and granular material of remaining whole trap portion 30A~30D is lower than the 1st horizontal LV1 The example of secondary transport model (also referring to Fig. 4).In addition, in legend, the powder and granular material in the 5th trap portion 30E is illustrated After accumulation level is lower than the 1st horizontal LV1, if the bulk material of the 4th trap portion 30D, the 1st trap portion 30A and the 2nd trap portion 30B The accumulation level of the horizontal successively powder and granular material lower than the 1st horizontal LV1, the 3rd trap portion 30C of the accumulation of material is lower than the 1st water Flat LV1 then starts the example of second-pumping mode.Powder and granular material is being delivered as preferentially to convey mesh in addition, illustrating After 5th trap portion 30E of target trap portion, to as inferior-defective conveying target trap portion other trap portion 30A~30D Convey the example of powder and granular material.In addition, illustrate to inferior-defective conveying target trap portion with lower than the 1st horizontal LV1 sequence, I.e. with the sequentially-fed powder and granular material of the 4th trap portion 30D, the 1st trap portion 30A, the 2nd trap portion 30B and the 3rd trap portion 30C Example.If carrying out the execution of second-pumping mode in this way, holding for a transport model is continuously carried out as described above Row, if a transport model terminates, is changed into the mode of being dried under reduced pressure.
In addition, in the present embodiment, constituting are as follows: the bulk material of some trap portion in multiple trap portion 30A~30E The accumulation level of material is lower than in the state of the 1st horizontal LV1, if the accumulation level of powder and granular material is lower than LV1 more horizontal than the 1st The 2nd low horizontal LV2 then meets conveying beginning condition (the 2nd conveying beginning condition).Furthermore it constitutes are as follows: in multiple trap portion 30A The accumulation level of the powder and granular material of some trap portion in~30E is lower than in the state of the 1st horizontal LV1, if preset Quantity (being remaining 4 in the present embodiment) trap portion powder and granular material accumulation level it is horizontal not less than the 1st The accumulation level of the powder and granular material of the trap portion of LV1, LV1 horizontal lower than the 1st is lower than the 2nd horizontal LV2, then meets the 2nd conveying Beginning condition.
Furthermore it constitutes are as follows: using the horizontal trap portion lower than the 2nd horizontal LV2 of the accumulation of powder and granular material as preferential conveying mesh Target trap portion, in the horizontal state for being lower than the 2nd horizontal LV2 of accumulation of the powder and granular material of the trap portion of the preferential conveying target Under, using the horizontal trap portion lower than the 1st horizontal LV1 of the accumulation of powder and granular material as the trap portion of inferior-defective conveying target, right After the trap portion of preferential conveying target executes second-pumping, target will be conveyed and be switched to the trap portion of inferior-defective conveying target and execute Second-pumping.In addition, being made into as described above to the trap portion of multiple inferior-defectives conveying target with suitable lower than the 1st horizontal LV1 The structure of sequence conveying.Alternatively, it is also possible to replace such mode, and as described above, by catching to multiple inferior-defectives conveying target The sequence of batching products in collection portion is set as preset order etc..
In legend, illustrate the accumulation level of the powder and granular material of the 5th trap portion 30E lower than the 2nd horizontal LV2, should 5th trap portion 30E starts the example of second-pumping mode as the preferential trap portion for conveying target (also referring to Fig. 5).In addition, It illustrates in the state that the accumulation level of the powder and granular material of the 5th trap portion 30E is lower than 2 horizontal LV2, to powder and granular material The horizontal trap portion as inferior-defective conveying target lower than the 1st horizontal LV1 of accumulation the 1st trap portion 30A and the 4th trap portion 30D successively conveys the example of powder and granular material.In addition, illustrating other trap portions (the 2nd trap portion 30B and in legend 3 trap portion 30C) powder and granular material the horizontal example for being higher than the 1st horizontal LV1 of accumulation.It constitutes are as follows: in the second-pumping mould In formula, for the 2nd trap portion 30B and the 3rd trap portion 30C not less than the 1st horizontal LV1 without conveying.
In addition, illustrating that the 3rd forming machine 6C of the supply target as the 3rd trap portion 30C is secondary defeated from this in legend Send the example being stopped before the beginning of mode.
If carrying out the execution of second-pumping mode in this way, as described above, a transport model is continuously carried out It executes, if a transport model terminates, is changed into the mode of being dried under reduced pressure.In legend, illustrates and be dried under reduced pressure mould at this The 5th of 1st forming machine 6A of the supply target in formula, as the 1st trap portion 30A and the supply target as the 5th trap portion 30E The example that forming machine 6E is provisionally stopped.
In addition, illustrating with each forming machine (in legend, forming machine) other than the 3rd forming machine 6C of stopping 6A Forming in~6E, as the powder and granular material of the 2nd trap portion 30B of some trap portion accumulation level it is horizontal lower than the 2nd LV2, start the example of second-pumping mode (also referring to figure using the 2nd trap portion 30B as the trap portion of preferential conveying target 6).In addition, illustrating in the state that the accumulation level of the powder and granular material of the 2nd trap portion 30B is lower than 2 horizontal LV2, being right 5th trap portion 30E of the horizontal trap portion as inferior-defective conveying target lower than the 1st horizontal LV1 of the accumulation of powder and granular material and 4th trap portion 30D successively conveys the example of powder and granular material.In addition, illustrating (the 1st trapping of other trap portions in legend Portion 30A and the 3rd trap portion 30C) powder and granular material the horizontal example for being higher than the 1st horizontal LV1 of accumulation.It constitutes are as follows: at this Knot in second-pumping mode, for the 1st trap portion 30A and the 3rd trap portion 30C not less than the 1st horizontal LV1 without conveying Structure.If carrying out the execution of second-pumping mode in this way, the execution of a transport model is continuously carried out as described above, such as Transport model of fruit terminates, and is transferred to the mode of being dried under reduced pressure, equally carries out the execution of each mode later.
Second-pumping mode alternatively, it is also possible to carry out the above-mentioned satisfaction by the 1st conveying beginning condition executes When conveying capacity and conveying capacity when being executed by the second-pumping mode that carries out of satisfaction of the 2nd conveying beginning condition be set as Different amounts.For example, it is also possible to defeated when the second-pumping mode carried out by the satisfaction of the 1st conveying beginning condition is executed The conveying capacity that the amount of sending is set as when executing than the second-pumping mode carried out by the satisfaction of the 2nd conveying beginning condition is a small amount of.This Outside, the conveying capacity than the trap portion to inferior-defective conveying target will can also be set as to the conveying capacity of the trap portion of preferential conveying target Amount is big.
According to the delivery method of the powder and granular material in relation to present embodiment, in addition, the bulk material in relation to present embodiment The conveying device 1 of material can realize trapping while realizing the reduction of conveying number by being made into structure as described above The shortening of the residence time of powder and granular material in portion 30A~30E.
It constitutes are as follows: if defeated as defined in meeting in the state that the accumulation level of some trap portion is lower than 1 horizontal LV1 Beginning condition is sent, then makes to convey the movement of air-source 20 and convey powder and granular material to the trap portion of preferential conveying target, if Meet the trap portion for thering is the inferior-defective of LV1 horizontal lower than the 1st to convey target in the state of conveying beginning condition, then cuts conveying target It is changed to the trap portion of inferior-defective conveying target and is conveyed.Therefore, if lower than the 1st horizontal LV1 and then meeting defined conveying Beginning condition is then preferentially conveyed to the trap portion of preferential conveying target, so enabling to be difficult to happen conveying target Material insufficient (feed is insufficient) etc..
In addition, if terminating to the conveying of the trap portion of preferential conveying target, then continuously carry out conveying target to inferior-defective Trap portion conveying, so with according to trap portion be based on leveler carry out conveying compared to can make convey number reduction.As a result, It can reduce conveying air-source 20 situation such by continually open and close.And as in the present embodiment will as a result, In the case that delivery source is set as drying device 10, the number that ambient atmos can be made to flow into drying device 10 is reduced.Especially It is that, in the case where being made into drying device 10 of decompression type as in the present embodiment, decompression state can be made to be destroyed (vacuum Destroy) frequency reduce, can efficiently be dried in drying device 10.
In addition, even if when terminating in this way to the conveying of preferential conveying target and being conveyed to others conveying targets, if LV1 horizontal lower than the 1st is then also without conveying, so carrying out conveying such knot with the trap portion whenever conveying to the upstream side Structure is compared, and can be realized the shortening of the residence time in each trap portion 30A~30E.It also can be realized each trap portion 30A as a result, The miniaturization of~30E.
In addition, in the present embodiment, constitute are as follows: if the accumulation level of the trap portion of preset quantity is lower than the 1 horizontal LV1 then meets conveying beginning condition (the 1st conveying beginning condition).Thus, it is possible to the regulation for being lower than the 1st horizontal LV1 The trap portion of quantity is conveyed.It can also be made into the structure for being not provided with the leveler of the 2nd horizontal LV2 of detection as a result,.
In addition, in the present embodiment, being configured to, if the accumulation level of powder and granular material is lower than lower than the 1st horizontal LV1 The 2nd horizontal LV2, then meet conveying beginning condition (the 2nd conveying beginning condition).Thus, it is possible to using the 2nd horizontal LV2 as under Limit horizontally toward preferentially conveying target conveying.As a result, with as being illustrated in aftermentioned 2nd embodiment will conveying start article Part be set below after the 1st horizontal LV1 it is defined compared by the structure of time, face in the supply target of forming machine 6A~6E etc. When stop in that case of, can also detect reliablely, which becomes lower than the 1st horizontal LV1 horizontal conveying, starts article Part is able to suppress the situation such as material excessive (excessive feed).In addition it is also possible to following situation be considered, if by defeated Send beginning condition be set as defined in by the time, then within lower than the stipulated time after the 1st horizontal LV1 other trap portions powder The accumulation of body material descends horizontally into the level for needing powder and granular material, becomes material deficiency, but according to above structure, can press down Make the insufficient generation of such material.
Then, the conveying referring to Fig. 7 to the powder and granular material of the 2nd embodiment as another embodiment of the present invention An example of method is illustrated.
In addition, being mainly illustrated to the difference with the first embodiment described above, about same as above-mentioned action example Movement is illustrated to omit or briefly illustrate.
In the present embodiment, it constitutes are as follows: the powder and granular material of some trap portion in multiple trap portion 30A~30E Accumulation level lower than after the 1st horizontal LV1, if the trapping of preset quantity not by defined 1st time t1 The accumulation level of the powder and granular material in portion is lower than the 1st horizontal LV1, then meets conveying beginning condition (the 3rd conveying beginning condition).Make For the 3rd conveying beginning condition test section for detecting such 3rd conveying beginning condition, control unit also can be set to as described above 36。
In addition, in the present embodiment, constituting are as follows: if after the accumulation level of powder and granular material is lower than the 1st horizontal LV1 By defined 1st time t1, then meet conveying beginning condition (the 4th conveying beginning condition).Furthermore it constitutes are as follows: in bulk material material After the accumulation level of material is lower than the 1st horizontal LV1, if the accumulation of the powder and granular material of the trap portion of preset quantity is horizontal LV1 horizontal not less than the 1st and pass through defined 1st time t1, then meet the 4th conveying beginning condition.In other words, in this embodiment party In formula, be if lower than after the 1st horizontal LV1 by defined 1st time t1, if be speculatively determined as being lower than the 2nd water The mode of flat LV2.
As the 4th conveying beginning condition test section of the such 4th conveying beginning condition of detection, also can be set to has meter When portion (timer) control unit 36.In addition, defined 1st time t1 can also hold according to the accumulation of each trap portion 30A~30E Amount and the processing capacity etc. of each forming machine 6A~6E and be set as reasonable time, to avoid material deficiency.
In addition, the conveying of the powder and granular material used in the delivery method of the powder and granular material in relation to present embodiment fills Setting for 1 (referring to Fig.1) also may be constructed are as follows: instead of the 1st horizontal LV1 of detection is arranged on each trap portion 30A~30E (referring to Fig.1) And the 2nd horizontal LV2 upper horizontal meter 33A~33E and lower horizontal meter 34A~34E mode, and be provided as detection the 1st Trapping leveler 39A~39E of the 1st horizontal test section of horizontal LV1.
In addition, in the present embodiment, also as described above, in the preparation stage in the early stage, executing defeated to drying device 10 Send powder and granular material a transport model or by the powder and granular material in drying device 10 it is dry be dried under reduced pressure mode, to The second-pumping mode of each trap portion 30A~30E conveying powder and granular material is accumulated to the execution by the second-pumping mode Drying device 10 after level decline conveys a transport model of powder and granular material.In addition, if to each trap portion 30A~ 30E convey powder and granular material, then in each forming machine 6A~6E of the supply target as each trap portion 30A~30E progress at Shape, the accumulation level decline of the powder and granular material of each trap portion 30A~30E.
Also, with above-mentioned substantially same, composition are as follows: if in some trap portion (being the 5th trap portion 30E in legend) The accumulation level of powder and granular material is lower than after the 1st horizontal LV1 without passing through defined 1st time t1, and remaining whole is caught The accumulation level of the powder and granular material in collection portion (being the 1st trap portion 30D of trap portion 30A~the 4th in legend) is horizontal lower than the 1st LV1 then starts second-pumping mode.In addition, if the second-pumping mode terminates, then as described above, one is continuously carried out The execution of secondary transport model is changed into the mode of being dried under reduced pressure if a transport model terminates.
In addition, constituting are as follows: some trap portion in multiple trap portion 30A~30E (in legend, the 5th trap portion 30E) Powder and granular material accumulation level lower than after the 1st horizontal LV1, if without preset quantity trap portion (in this reality Applying is remaining whole trap portion in mode) the accumulation level of powder and granular material passed through for the 1st time lower than the 1st horizontal LV1 T1 then will be less than trapping of the trap portion (being the 5th trap portion 30E in legend) of the 1st horizontal LV1 as preferential conveying target Portion and execute second-pumping.Furthermore it constitutes are as follows: in the state of have passed through the 1st time t1, conveying target is switched to bulk material The trap portion of the horizontal inferior-defective conveying target lower than the 1st horizontal LV1 of the accumulation of material (is the 1st trap portion 30A and the in legend 4 trap portion 30D) and execute second-pumping.If carrying out the execution of second-pumping mode in this way, as described above, continuously Carry out the execution of a transport model, if a transport model terminates, be changed into the mode of being dried under reduced pressure, later on similarly, into The execution of each mode of row.
In the delivery method of the powder and granular material for the present embodiment for being made into structure as described above, also function to it is upper State the substantially same effect of the 1st embodiment.
In addition, in the present embodiment, constituting are as follows: if after the accumulation level of powder and granular material is lower than the 1st horizontal LV1 By defined 1st time t1, then meet conveying beginning condition (the 4th conveying beginning condition).Thus, it also can be made and be not provided with The structure that the leveler of the 2nd horizontal LV2 can also be detected other than the 1st horizontal LV1 can be realized the simple of apparatus structure Change.
In addition, in the respective embodiments described above, illustrating the 1st horizontal test section as the 1st horizontal LV1 of detection and being equipped with Output requires upper horizontal meter 33A~33E of signal or traps the example of leveler 39A~39E, but is not limited to such side Formula.Also can be set to mode below: being used as upper horizontal meter 33A~33E or trapping leveler 39A~39E output makes The leveler of the brimmer signal of the trigger signal stopped being conveyed, if by the stipulated time from the full detection by the leveler, It is then determined as lower than the 1st horizontal LV1.That is, also can replace the mode for directly detecting the 1st horizontal LV1 with leveler, and it is made into If from the detection carried out by leveler by the stipulated time, if be speculatively determined as mode lower than the 1st horizontal LV1. In this case as well, it is possible to suitably set the stipulated time according to the processing capacity etc. of each forming machine 6A~6E.In addition, in this situation Under, can also there will be the control unit 36 of timing unit (timer) to constitute the 1st horizontal test section.
In addition, starting condition as the conveying for executing second-pumping mode, the 1st is instantiated in the first embodiment described above Beginning condition and the 2nd conveying beginning condition are conveyed, the 3rd conveying beginning condition is instantiated in the 2nd embodiment and the 4th conveying is opened Beginning condition, but may be in these the 1st conveying conveying beginning conditions of beginning conditions~4 at least some, can also be Others conveying beginning condition.
In addition, as delivery source 10, however it is not limited to the drying device 10 of decompression type as described above, or other Drying device, furthermore, however it is not limited to drying device, or the various delivery sources such as adapting device or material tank.
In addition, in the above-described embodiment, indicating the single material from the discharge side for being connected to delivery source 10 is defeated Send pipeline 21 via branch portion 22 branch into multiple a plurality of transfer pipeline 23A~23E be connected to each trap portion 30A~ Example on 30E, but it is not limited to such mode.For example, it is also possible to which being made into makes to be connected to each trap portion 30A~30E On transfer pipeline 23A~23E be respectively communicated with delivery source 10 discharge side structure etc..Furthermore, however it is not limited to which legend is such Have the structure of 5 trap portion 30A~30E, as long as having the structure of 2 or more trap portions.In addition, conduct Convey air-source 20, however it is not limited to which the attraction bellows that powder and granular material is attracted to conveying are also possible to powder and granular material force feed Compressed air source etc..As the delivery method of the powder and granular material in relation to the respective embodiments described above and the conveying of powder and granular material Device 1, however it is not limited to which above structure is able to carry out various deformations in addition to this.

Claims (5)

1. a kind of delivery method of powder and granular material, the powder and granular material of delivery source is switched to multiple trap portions and carries out air Conveying, which is characterized in that
If the accumulation of the powder and granular material of any one trap portion in above-mentioned multiple trap portions is horizontal lower than the 1st horizontal shape Beginning condition is conveyed as defined in meeting under state, then makes to convey air-source movement and convey powder to the trap portion of preferential conveying target Body material, if there is catching for the inferior-defective conveying target horizontal lower than the 1st in the state of meeting above-mentioned conveying beginning condition Collection portion will then convey target and be switched to the trap portion of inferior-defective conveying target and convey.
2. the delivery method of powder and granular material as described in claim 1, which is characterized in that
If the accumulation of powder and granular material is horizontal lower than the 2nd low level more horizontal than the above-mentioned 1st, meets above-mentioned conveying and start item Part.
3. the delivery method of powder and granular material as described in claim 1, which is characterized in that
If met above-mentioned defeated after the accumulation level of powder and granular material is lower than above-mentioned 1st level by defined 1st time Send beginning condition.
4. the delivery method of powder and granular material according to any one of claims 1 to 3, which is characterized in that
If the accumulation level of the trap portion of preset quantity is horizontal lower than the above-mentioned 1st, meets above-mentioned conveying and start item Part.
5. a kind of conveying device of powder and granular material, the powder and granular material of delivery source is switched to multiple trap portions and carries out air Conveying, which is characterized in that have:
1st horizontal test section, as above-mentioned multiple trap portions it is respective in powder and granular material accumulation it is horizontal and detect the 1st water It is flat；
Beginning condition test section is conveyed, the satisfaction of conveying beginning condition as defined in detection in the state of being lower than 1 level；With And
Control unit executes control as follows, if horizontal in the accumulation for detecting any one trap portion in above-mentioned multiple trap portions Lower than detecting that above-mentioned conveying starts the satisfaction of condition in the state of the 1st level, then makes to convey air-source movement, make bulk material material The trap portion conveying to preferential conveying target is expected, if detected in the state of meeting above-mentioned conveying beginning condition lower than the The trap portion of 1 horizontal inferior-defective conveying target will then convey target and be switched to the trap portion of inferior-defective conveying target and convey.
CN201810374137.1A 2017-05-24 2018-04-24 Method and apparatus for conveying powder material Active CN108946170B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2017102282A JP6829883B2 (en) 2017-05-24 2017-05-24 Transportation method of powder and granular material and transportation equipment of powder and granular material
JP2017-102282 2017-05-24

Publications (2)

Publication Number Publication Date
CN108946170A true CN108946170A (en) 2018-12-07
CN108946170B CN108946170B (en) 2022-05-24

Family

ID=64499067

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810374137.1A Active CN108946170B (en) 2017-05-24 2018-04-24 Method and apparatus for conveying powder material

Country Status (2)

Country Link
JP (1) JP6829883B2 (en)
CN (1) CN108946170B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110697422A (en) * 2019-10-30 2020-01-17 苏州克劳丽化妆品有限公司 Particle vacuum suction control method and device and vacuum suction system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040929A (en) * 1989-11-30 1991-08-20 Fuller Company Loading system for particulate materials
DE4108209A1 (en) * 1990-03-26 1991-10-02 Greiz Plasttechnik Filling hoppers with different powders - by using automatic control system with vacuum pipelines, various storage silos and valves, to fill hoppers with filling level regulators
CN2832755Y (en) * 2005-10-26 2006-11-01 青岛高校软控股份有限公司 Dispensing and transporting device capable of carrying out remote weighing
CN102410377A (en) * 2010-09-17 2012-04-11 株式会社松井制作所 A discharge apparatus for powdered or granular material and a transport system for the material provided with the discharge apparatus
CN202326147U (en) * 2011-11-30 2012-07-11 中联重科股份有限公司 Concrete pumping machine and material level control device thereof
CN104495414A (en) * 2014-12-10 2015-04-08 天地科技股份有限公司 Mass flow multi-coal rapid storehouse feeding system and method for multiple buffer storehouses
CN205132552U (en) * 2015-11-17 2016-04-06 河南城建学院 Automatic charging system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040929A (en) * 1989-11-30 1991-08-20 Fuller Company Loading system for particulate materials
DE4108209A1 (en) * 1990-03-26 1991-10-02 Greiz Plasttechnik Filling hoppers with different powders - by using automatic control system with vacuum pipelines, various storage silos and valves, to fill hoppers with filling level regulators
CN2832755Y (en) * 2005-10-26 2006-11-01 青岛高校软控股份有限公司 Dispensing and transporting device capable of carrying out remote weighing
CN102410377A (en) * 2010-09-17 2012-04-11 株式会社松井制作所 A discharge apparatus for powdered or granular material and a transport system for the material provided with the discharge apparatus
CN202326147U (en) * 2011-11-30 2012-07-11 中联重科股份有限公司 Concrete pumping machine and material level control device thereof
CN104495414A (en) * 2014-12-10 2015-04-08 天地科技股份有限公司 Mass flow multi-coal rapid storehouse feeding system and method for multiple buffer storehouses
CN205132552U (en) * 2015-11-17 2016-04-06 河南城建学院 Automatic charging system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110697422A (en) * 2019-10-30 2020-01-17 苏州克劳丽化妆品有限公司 Particle vacuum suction control method and device and vacuum suction system
CN110697422B (en) * 2019-10-30 2021-01-29 苏州克劳丽化妆品有限公司 Particle vacuum suction control method and device and vacuum suction system

Also Published As

Publication number Publication date
JP2018197148A (en) 2018-12-13
CN108946170B (en) 2022-05-24
JP6829883B2 (en) 2021-02-17

Similar Documents

Publication Publication Date Title
US7318459B2 (en) Method and apparatus for conveying flexible fabrics using dual side outlets
CZ2015437A3 (en) A drying chamber, a drying unit, a dryer of recycled material and a method of drying a wet abrasive
CN102410377B (en) The discharger of powder and granular material and possess its transporting system of powder and granular material
KR20140137323A (en) Pneumatic transport system of granular material and control method of such system
TW200936473A (en) Method and apparatus in pneumatic material conveying system
TW200934712A (en) Method in pneumatic material conveying system and a pneumatic material conveying system
EP1818111A2 (en) Device and plant for removing dust from granular materials
CN108946170A (en) The delivery method of powder and granular material and the conveying device of powder and granular material
CN104828264A (en) Powdery chemical material metering device
RU2727355C2 (en) Method, plant and system for treatment of wastes
CN106174679B (en) A kind of efficient separation material-returning device
CN206985167U (en) A kind of mixing air-transport system for rice husk removal of impurities
PL385298A1 (en) System of the equipment for transport of bar-like elements in the production installation of the tobacco industry
CN108584340A (en) Grain is cleared up and the automatic integral system that puts in storage of classifying
KR101406388B1 (en) Apparatus for measuring water content of coal
CN207859185U (en) A kind of concrete material batch bin with gravity measure device
JP6349225B2 (en) Material transport supply apparatus and material transport supply method
CN105947247A (en) Power weighing and packaging system for chemical engineering
CN208616335U (en) A kind of granular material feeding system
CN105972949A (en) Circular dehumidification drying system
US3635002A (en) Garbage disposal unit
CN207779062U (en) A kind of drying machine
JP2012240246A (en) Granular material supply system
JPS58500440A (en) Conveyance device
TWI682842B (en) Heating device and control method of heating device

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