CN105836414A - Feeding system - Google Patents
Feeding system Download PDFInfo
- Publication number
- CN105836414A CN105836414A CN201610316577.2A CN201610316577A CN105836414A CN 105836414 A CN105836414 A CN 105836414A CN 201610316577 A CN201610316577 A CN 201610316577A CN 105836414 A CN105836414 A CN 105836414A
- Authority
- CN
- China
- Prior art keywords
- feeding
- raw material
- feeding belt
- tape spool
- case
- 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.)
- Pending
Links
- 239000002994 raw material Substances 0.000 claims abstract description 55
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 26
- 210000000515 tooth Anatomy 0.000 claims description 20
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims description 2
- 230000009467 reduction Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005266 casting Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B65G41/00—Supporting frames or bases for conveyors as a whole, e.g. transportable conveyor frames
- B65G41/007—Means for moving conveyor frames and control arrangements therefor
- B65G41/008—Means for moving conveyor frames and control arrangements therefor frames mounted on wheels or caterpillar
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/32—Filling devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Feeding And Watering For Cattle Raising And Animal Husbandry (AREA)
Abstract
The invention relates to a feeding system. The feeding system comprises a loading device and a feeding device. The loading device comprises a walking chassis, a rotary disc rotationally arranged on the walking chassis through a rotary shaft, a feeding box with the tail end hinged and installed on the walking chassis through a pin shaft, a screw rod rotationally arranged in the feeding box, and an electric push rod vertically arranged on the rotary disc. The feeding device comprises a device body, bottom supporting legs, belt shaft installing frames, belt shafts, a feeding belt, a transmission belt, a drive device, a material guiding bin and a raw material containing box. A feeding port is formed in the top of the raw material containing box, and a discharging port is formed in the bottom of the raw material containing box. The feeding port communicates with the discharging port through a spiral runner arranged on the inner wall of the raw material containing box. When the feeding system works, noise is low, consumed energy is little, rust and other impurities in raw materials can be adsorbed and filtered out in the feeding process of the device, and the situation that rust and other impurities enter an electric furnace, and many dregs are produced is prevented.
Description
Technical field
The present invention relates to a kind of feed system, belong to casting field of mechanical technique.
Background technology
Electric furnace pay-off is some cast raw material to be joined in electric furnace in casting industry
Carrying out the equipment of melting, the electric furnace pay-off of better performances can reduce in Foundry Production workshop
Production noise, improve the working environment in Foundry Production workshop.
Use in each big Foundry Production workshop of existing stage China is mostly that pneumatic microseism formula adds
Electric furnace is fed by material device, and this feeding device operationally needs device self the most open close
Crossing air pressure to shake, can produce bigger noise, vibrations also can make ground dust splash,
Pollute the working environment in Foundry Production workshop, and owing to cast raw material quality is relatively big, adding
Feeding device self can be caused damage under the vibrations of material device, cause making of this feeding device
Will not be oversize with the life-span, increase the cost of Foundry Production.
Summary of the invention
For above-mentioned technical problem, the present invention proposes a kind of feed system, uses parallel band dynamic formula
Charging, operationally noise is less, and the energy of consuming is less, both economical practicality, and fills
Put and the impurity absorption such as the iron rust in raw material can be filtered out in feeding process, prevent iron rust etc.
Impurity enters in electric furnace and produces more dregs.
In order to realize above-mentioned technical purpose, the invention provides following technical scheme:
A kind of feed system, including: feeding device and pay-off, described feeding device includes:
Walking chassis, it is respectively arranged in the road wheel of walking lower end, chassis four edges, passes through rotating shaft
Rotation is installed on the rotating disk on walking chassis, tail end is installed on walking chassis by hinge
Feeding casing, rotate be installed on the screw rod in box for feeding odd body and be vertically arranged on rotating disk
Electric pushrod, the tail end of described screw rod is in transmission connection in motor, the piston rod of described electric pushrod
Head end and the hinged installation of feeding casing, the tail end of described feeding casing is provided above coupled
Loading hopper, be provided with coupled hopper below its head end；Described rotating disk outer rim is along circle
Circumferential direction is provided with some pointed tooths, forms teeth groove, sliding bar between the pointed tooth that each two is adjacent
Being plugged among walking chassis, the upper end of described slide bar is horizontally fixed with inserted block, described inserted block
Shape and the matching form of teeth groove；Described pay-off includes, apparatus main body, bottom support leg,
Tape spool installing rack, tape spool, feeding belt, transmission band, driving means, guide storehouse and raw material hold
Case, wherein, described apparatus main body bottom is provided with bottom support leg, described device body upper
It is provided with tape spool installing rack, tape spool installing rack is provided with tape spool, tape spool is provided with feeding belt,
Being provided with guide storehouse below the end of feeding belt, tape spool is connected with driving means by transmission band；
Described raw material holds case and is positioned at being fixed on apparatus main body of feeding belt front end, and raw material holds on case
Discharging opening be connected with feeding belt by soft fishplate bar, described feeding belt is filter net type feeding belt, filters
Iron rust absorption magnetic sheet it is provided with on the downside of net formula feeding belt；Described raw material holds the top of case and is provided with
Charging aperture, bottom is provided with discharging opening, former by being arranged between described charging aperture and discharging opening
The screw-shaped flow paths that material holds on chamber interior wall is connected.
As a preferred technical solution of the present invention, described raw material holds case and passes through firm banking
It is fixed on apparatus main body.
As a preferred technical solution of the present invention, described bottom support inboard leg is provided with and adds
Strong connecting cross beam.
As a preferred technical solution of the present invention, bottom described driving means, it is provided with damping
The Steady base of noise reduction.
As a preferred technical solution of the present invention, described guide storehouse is internally provided with buffering
Band.
The present invention is reached to provide the benefit that:
Described feeding device, when needs hold interpolation raw material in case to raw material, promotes the walking end
Dish, moves it to raw material by road wheel and holds at case, is promoted by electric pushrod afterwards and send
Hopper height carries out upgrading to mate raw material and holds the height of charge door above case, finally adjusts
It is positioned at raw material to hopper and holds the surface of case charge door.Raw material is continuously added loading hopper
In, electric motor driven screw rotates, thus is delivered to down through feeding casing by the raw material in loading hopper
At hopper, eventually enter into raw material and hold in case.Owing to workman operates on ground, save time province
Power, improves efficiency.Simultaneously because workman holds the charge door of case away from raw material, thereby, it is ensured that
Personal safety.
Described pay-off uses the charging of parallel band dynamic formula, and operationally noise is less, consumption
The energy taken is less, both economical practicality, and be provided with on this device filter net type feeding belt and
Iron rust absorption magnetic sheet, can filter impurity absorption such as the iron rust in raw material in feeding process
Falling, prevent the impurity such as iron rust from entering in electric furnace and produce more dregs, this apparatus structure is the easiest
Operation, input cost is low, safe and efficient, it is easy to promote.
Accompanying drawing explanation
Fig. 1 is a kind of feed system overall structure schematic diagram described in the embodiment of the present invention；
Fig. 2 is locking system structural representation of the present invention；
Label in figure: 1, walking chassis；2, road wheel；3, rotating shaft；4, rotating disk；5、
Feeding casing；6, screw rod；7, motor；8, bearing pin；9, loading hopper；10, hopper；
11, electric pushrod；12, slide bar；13, inserted block；14, pointed tooth；15, teeth groove；101、
Apparatus main body；102, bottom support leg；103, tape spool installing rack；104, tape spool；105、
Filter net type feeding belt；106, iron rust absorption magnetic sheet；107, transmission band；108, driving means；
109, guide storehouse；110, raw material holds case；111, firm banking；112, soft fishplate bar；113、
Discharging opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are illustrated, it will be appreciated that herein
Described preferred embodiment is merely to illustrate and explains the present invention, is not used to limit this
Bright.
Embodiment: refer to Fig. 1-2, one feed system of the present invention, including: a kind of mobile
Height-adjustable screw rod powder feeder, including: walking chassis 1, be respectively arranged in walking
The road wheel 2 of four edges in lower end, chassis, rotated by rotating shaft 3 and be installed on walking chassis 1
On rotating disk 4, tail end by bearing pin 8 hinged be installed on walking the One On The Chassis feeding casing
5, rotate the screw rod 6 being installed in feeding casing 5 and be vertically arranged on rotating disk 4
Electric pushrod 11, the tail end of screw rod 6 is in transmission connection in motor 7, the piston of electric pushrod 11
Rod head end and the hinged installation of feeding casing 5, the tail end of feeding casing 5 is provided above and its phase
Loading hopper 9 even, is provided with coupled hopper 10 below its head end；Outside described rotating disk
Edge is peripherally disposed some pointed tooths 14, forms tooth between the pointed tooth 14 that each two is adjacent
Groove 15, slide bar 12 slides and is plugged among walking chassis 1, the upper end water of described slide bar 12
The flat inserted block 13 that is fixed with, the shape of described inserted block 13 and the matching form of teeth groove 15；
Described pay-off includes: apparatus main body 101, bottom support leg 102, tape spool installing rack 103,
Tape spool 104, filter net type feeding belt 105, iron rust absorption magnetic sheet 106, transmission band 107, driving
Device 108, guide storehouse 109, raw material hold case 110, firm banking 111, soft fishplate bar 112,
Discharging opening 113, loading hopper 114, scraping wings 115 and handlebar stem 116, described apparatus main body
It is provided with bottom support leg 102 on the downside of in the of 101, on the upside of described apparatus main body 101, is provided with tape spool
Installing rack 103, tape spool installing rack 103 is provided with tape spool 104, tape spool 104 is provided with
Filter net type feeding belt 105, is provided with iron rust absorption magnetic sheet 106 on the downside of filter net type feeding belt 105,
And tape spool 104 is connected with driving means 108 by transmission band 107, described tape spool installing rack
103 right side walls are provided with guide storehouse 109, and described raw material holds case 110 by firm banking 111
It is fixed on apparatus main body 101, and raw material holds case 110 by soft fishplate bar 112 and filter net type
Feeding belt 105 connects, and described raw material holds case 110 right side wall and is provided with discharging opening 113；Institute
Stating raw material to hold the top of case 110 and be provided with charging aperture, bottom is provided with discharging opening 113, institute
State between charging aperture and discharging opening 113 spiral by be arranged at that raw material holds on chamber interior wall
Runner is connected.By arranging screw-shaped flow paths in holding case at raw material, both facilitated raw material to
The most steady blanking, it is less, therefore, to falling that raw material holds kinetic energy when case outlet is discharged from raw material
Raw material to filter net type feeding belt will not produce bigger impulsive force, thus can have it
Effect protection.
Further improve as one feed system of the present invention, in described bottom support leg 102
Side is provided with connecting cross beam, can strengthen the stability of bottom support leg 102, prevents it from occurring
Deformation.
Further improve as one feed system of the present invention, bottom described driving means 108
It is provided with Steady base, driving means 108 preferably can be fixed, prevent it from occurring
Displacement.
Further improving as one feed system of the present invention, described guide storehouse 109 is internal to be set
It is equipped with buffer strip, the raw material falling into electric furnace can be buffered, prevent it from splashing the gold in stove
Belong to liquid.
The course of work of a kind of feed system of the present invention is:
When needs hold interpolation raw material in case to raw material, promote walking chassis 1, by walking
Wheel 2 moves it to raw material and holds at case, promotes feeding casing by electric pushrod 11 afterwards
5 highly carry out upgrading to mate raw material holds the height of charge door above case, finally adjust under
Hopper 10 is positioned at raw material and holds the surface of case charge door.Raw material is continuously added loading hopper 9
In, motor 7 drives screw rod 6 to rotate, thus by the raw material in loading hopper 9 through feeding casing 5
It is delivered to, at hopper 10, eventually enter into raw material and hold in case.Owing to workman is carried out on ground
Operation, time saving and energy saving, improve efficiency.Simultaneously because workman holds the charging of case away from raw material
Mouthful, it is ensured that personal safety.It addition, rotating disk 4 outer rim peripherally disposed have some
Pointed tooth 14, forms teeth groove 15 between the pointed tooth 14 that each two is adjacent, slide bar 12 slides plug-in mounting
Among walking chassis 1, the upper end of slide bar 12 is horizontally fixed with inserted block 13, described inserted block 13
The matching form of shape and teeth groove 15.When needs rotate rotating disk 4, by outside for inserted block 13
Pull so that it is away from teeth groove 15, after rotating disk 4 rotate in place, inwardly promote inserted block 13,
Inserted block 13 is made to insert in teeth groove 15, it is achieved chassis 1 locking of relatively being walked by rotating disk 4 is fixed,
Prevent rotating disk 4 during feeding to reactor from misrouting the dynamic situation generation causing and feeding failed.
The raw material that raw material holds in case enters filter net type feeding belt 105, filter net type feeding by discharging opening
Band 105 is driven by driving means 108, and raw material moves on filter net type feeding belt 105,
Above iron rust absorption magnetic sheet 106 time, iron rust can be adsorbed to iron rust absorption magnetic sheet
On 106, then raw material arrives above electric furnace, is introduced a material in electric furnace by guide storehouse 109
Carry out melting.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, not
For limiting the present invention, although the present invention being described in detail with reference to previous embodiment,
For a person skilled in the art, it still can be to the skill described in foregoing embodiments
Art scheme is modified, or wherein portion of techniques feature is carried out equivalent.All at this
Within bright spirit and principle, any modification, equivalent substitution and improvement etc. made, all should wrap
Within being contained in protection scope of the present invention.
Claims (5)
1. a feed system, it is characterised in that including: feeding device and pay-off,
Described feeding device includes: walking chassis, be respectively arranged in walking four, lower end, chassis edge
Road wheel, the rotating disk being installed on by axis of rotation on walking chassis, tail end cut with scissors by bearing pin
Connect be installed on walking chassis on feeding casing, rotate be installed on the screw rod in box for feeding odd body and
The electric pushrod being vertically arranged on rotating disk, the tail end of described screw rod is in transmission connection in motor, institute
State piston rod head end and the hinged installation of feeding casing, the tail end of described feeding casing of electric pushrod
It is provided above coupled loading hopper, below its head end, is provided with coupled blanking
Bucket；Described rotating disk outer rim is peripherally disposed some pointed tooths, the adjacent pointed tooth of each two it
Between form teeth groove, sliding bar is plugged among walking chassis, and the upper end level of described slide bar is solid
Surely there are inserted block, the shape of described inserted block and the matching form of teeth groove；Described pay-off includes,
Apparatus main body, bottom support leg, tape spool installing rack, tape spool, feeding belt, transmission band, driving
Device, guide storehouse and raw material hold case, and wherein, described apparatus main body bottom is provided with bottom
Support leg, described device body upper is provided with tape spool installing rack, tape spool installing rack is provided with
Axle, tape spool is provided with feeding belt, is provided with guide storehouse below the end of feeding belt, and tape spool leads to
Cross transmission band to be connected with driving means；Described raw material holds case and is positioned at being fixed on of feeding belt front end
On apparatus main body, the discharging opening that raw material holds on case is connected with feeding belt by soft fishplate bar, described
Feeding belt is filter net type feeding belt, is provided with iron rust absorption magnetic sheet on the downside of filter net type feeding belt；Institute
Stating raw material to hold the top of case and be provided with charging aperture, bottom is provided with discharging opening, described charging aperture
With the screw-shaped flow paths holding on chamber interior wall by being arranged at raw material between discharging opening is connected.
Feed system the most according to claim 1, it is characterised in that described raw material is contained
Put case to be fixed on apparatus main body by firm banking.
Feed system the most according to claim 1, it is characterised in that described bottom is propped up
The connecting cross beam strengthened it is provided with inside support leg.
Feed system the most according to claim 1, it is characterised in that described driving fills
Bottom set portion is provided with the Steady base of damping noise reduction.
Feed system the most according to claim 1, it is characterised in that described guide storehouse
It is internally provided with buffer strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316577.2A CN105836414A (en) | 2016-05-12 | 2016-05-12 | Feeding system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610316577.2A CN105836414A (en) | 2016-05-12 | 2016-05-12 | Feeding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105836414A true CN105836414A (en) | 2016-08-10 |
Family
ID=56591796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610316577.2A Pending CN105836414A (en) | 2016-05-12 | 2016-05-12 | Feeding system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105836414A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228376A (en) * | 2017-07-27 | 2017-10-03 | 江苏丰鑫源环保集团有限公司 | A kind of feeding device of heat conducting oil boiler |
| CN110980319A (en) * | 2019-03-29 | 2020-04-10 | 邵阳学院 | A powder feeding device for electrical automation equipment |
| CN112575648A (en) * | 2020-12-08 | 2021-03-30 | 山西路盛达建设工程有限责任公司 | Asphalt concrete material conveying device and asphalt concrete heating method |
| CN112758609A (en) * | 2020-11-30 | 2021-05-07 | 安徽欣奥食品包装科技有限公司 | Conveyor is used in production of plastics lid that stability is good |
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|---|---|---|---|---|
| JP2005104721A (en) * | 2003-09-29 | 2005-04-21 | Masayasu Kamegawa | Screw type refuse storing machine |
| CN201101978Y (en) * | 2007-07-30 | 2008-08-20 | 常承强 | Magnetic trough separator |
| CN203212022U (en) * | 2013-04-18 | 2013-09-25 | 昆山思创耐火材料有限公司 | Automatic feeding device |
| CN203345646U (en) * | 2013-06-28 | 2013-12-18 | 江苏爱斯特能源科技有限公司 | Fodder conveying device |
| CN204911442U (en) * | 2015-09-02 | 2015-12-30 | 山东华诚高科胶粘剂有限公司 | But remove height -adjusting's screw rod powder material loading machine |
| CN204974185U (en) * | 2015-07-17 | 2016-01-20 | 福建省伍重机械制造有限公司 | Portable carborundum miropowder deironing device |
| CN205739244U (en) * | 2016-05-12 | 2016-11-30 | 吴江市正大电热电器有限公司 | A kind of feed system |
-
2016
- 2016-05-12 CN CN201610316577.2A patent/CN105836414A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005104721A (en) * | 2003-09-29 | 2005-04-21 | Masayasu Kamegawa | Screw type refuse storing machine |
| CN201101978Y (en) * | 2007-07-30 | 2008-08-20 | 常承强 | Magnetic trough separator |
| CN203212022U (en) * | 2013-04-18 | 2013-09-25 | 昆山思创耐火材料有限公司 | Automatic feeding device |
| CN203345646U (en) * | 2013-06-28 | 2013-12-18 | 江苏爱斯特能源科技有限公司 | Fodder conveying device |
| CN204974185U (en) * | 2015-07-17 | 2016-01-20 | 福建省伍重机械制造有限公司 | Portable carborundum miropowder deironing device |
| CN204911442U (en) * | 2015-09-02 | 2015-12-30 | 山东华诚高科胶粘剂有限公司 | But remove height -adjusting's screw rod powder material loading machine |
| CN205739244U (en) * | 2016-05-12 | 2016-11-30 | 吴江市正大电热电器有限公司 | A kind of feed system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107228376A (en) * | 2017-07-27 | 2017-10-03 | 江苏丰鑫源环保集团有限公司 | A kind of feeding device of heat conducting oil boiler |
| CN110980319A (en) * | 2019-03-29 | 2020-04-10 | 邵阳学院 | A powder feeding device for electrical automation equipment |
| CN112758609A (en) * | 2020-11-30 | 2021-05-07 | 安徽欣奥食品包装科技有限公司 | Conveyor is used in production of plastics lid that stability is good |
| CN112575648A (en) * | 2020-12-08 | 2021-03-30 | 山西路盛达建设工程有限责任公司 | Asphalt concrete material conveying device and asphalt concrete heating method |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160810 |