CN106044238A - Automatic vacuum material sucking device for powdery material and using method - Google Patents
Automatic vacuum material sucking device for powdery material and using method Download PDFInfo
- Publication number
- CN106044238A CN106044238A CN201610542980.7A CN201610542980A CN106044238A CN 106044238 A CN106044238 A CN 106044238A CN 201610542980 A CN201610542980 A CN 201610542980A CN 106044238 A CN106044238 A CN 106044238A
- Authority
- CN
- China
- Prior art keywords
- push rod
- electrohydraulic push
- suction tube
- granular material
- mobile section
- 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
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
- B65G53/24—Gas suction systems
-
- 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
- B65G53/40—Feeding or discharging devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/36—Devices for emptying from the top
- B65G65/38—Mechanical devices
-
- 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
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Transport Of Granular Materials (AREA)
- Vacuum Packaging (AREA)
Abstract
The invention relates to an automatic vacuum material sucking device for a powdery material and a using method. The automatic vacuum material sucking device comprises a roots vacuum pump, a vertically-arranged stretchable material sucking pipe and an electric-hydraulic pusher; the material sucking pipe is divided into a static section pipe body and a movable section pipe body, the roots vacuum pump is connected with the static section pipe body, the electric-hydraulic pusher is located on the side portion of the static section pipe body, and the end of the pusher is fixedly connected with the movable section pipe body; the starting point position and the final point position of the work stroke of the electric-hydraulic pusher are provided with an upper limit switch and a lower limit switch correspondingly; an air auxiliary air inlet pipe is installed on the outer side of the movable section pipe body in a sleeving manner; and a pressure transmitter is installed on the pipe wall of the static section pipe body. The using method includes the steps that the roots vacuum pump is started, the electric-hydraulic pusher is started, the movable section pipe body extends into a ton packaging bag to conduct vacuum material sucking, it is determined that the electric-hydraulic pusher extends out, is stopped or retracts back in the material sucking process according to a pressure value monitored by the pressure transmitter until the lower limit switch is triggered, the electric-hydraulic pusher retracts back until the upper limit switch is triggered, and next vacuum material sucking operation is started.
Description
Technical field
The invention belongs to granular material transhipment technical field, particularly relate to a kind of automatization's vacuum for granular material
Device for suction material and using method.
Background technology
At present, in metallurgy industry, in order to preferably complete the transhipment work of granular material, granular material is loaded ton bag
It is transported through more and more universal in Dai.During ton bag filler, powder can be rapidly completed by existing filler equipment
The filling pack of shape material, after destination sent to by packed granular material, just needs to carry out the granular material in ton bag
Discharging, but, the most it not being applicable to the delivery device of ton bag, present stage is all that the mode using artificial broken bag is unloaded
Material, causes discharge process to be wasted time and energy, and the labor intensity of workman is big, owing to ton bag is damaged during broken bag, because of
This cannot be carried out recycling, and which results in resource wastes greatly.Further, during manual cleaning, can be at building ring
Border produces substantial amounts of dust suspension, not only pollutes working environment, also can jeopardize the healthy of staff.
Therefore, needing a kind of brand-new delivery device of design badly, for substituting current manual cleaning, it should possess following effect
Really: can save the input of man power and material, discharge process does not damage a ton bag, makes ton bag can reuse, in discharging
During it can be avoided that the generation of dust suspension, prevent the pollution of working environment, it is ensured that staff's is healthy.
Summary of the invention
The problem existed for prior art, the present invention provides a kind of automatization's vacuum intaking device for granular material
And using method, it is possible to saving man power and material, discharge process does not damage a ton bag, makes ton bag to reuse, is unloading
It can be avoided that the generation of dust suspension during material, prevent the pollution of working environment, it is ensured that staff's is healthy.
To achieve these goals, the present invention adopts the following technical scheme that a kind of automatization's vacuum for granular material
Device for suction material, including Roots vaccum pump, suction tube and Electrohydraulic push rod, described suction tube uses telescopic structure, and suction tube is divided into
Static segment body and mobile section body, suction tube is vertically arranged, and mobile section body is sleeved on static segment body lower end, described sieve
Thatch vacuum pump is connected to static segment body upper end;Described Electrohydraulic push rod is fixedly installed on the static segment body sidepiece of suction tube, and
Electrohydraulic push rod be arranged in parallel with static segment body, and the push rod end of Electrohydraulic push rod is fixedly connected with mobile section body.
Impulse stroke starting point at described Electrohydraulic push rod is provided with upper limit position switch, whole in the impulse stroke of Electrohydraulic push rod
Lower position switch it is provided with at Dian.
Outside the mobile section body of described suction tube, fixed cover is equipped with air auxiliary inlet manifold, at air auxiliary inlet manifold
And form ring-type inlet channel between mobile section body.
The tube wall of the static segment body of described suction tube is provided with pressure transmitter.
The using method of the described automatization's vacuum intaking device for granular material, comprises the steps:
Step one: start Roots vaccum pump, is formed negative pressure in making suction tube, is monitored suction tube by pressure transmitter in real time
Interior force value, Electrohydraulic push rod is in retracted mode, and the ton bag filling granular material is being placed in the mobile section body of suction tube just
Lower section;
Step 2: start Electrohydraulic push rod, Electrohydraulic push rod performs extending action, drives mobile section body and the sky of suction tube
Gas auxiliary inlet manifold moves downwardly together, makes the bottom mouth of pipe of mobile section body stretch in ton bag and move closer to powder
Material, proceeds by vacuum intake;
Step 3: during vacuum intake, Electrohydraulic push rod needs execution to stretch out, stops or retracting action, Electrohydraulic push rod
Stretch out, stop or retracting action need according to pressure transmitter monitoring force value be determined, be used for determining Electrohydraulic push rod
The force value of action executing has two decision-points, is divided into low pressure decision-point and high pressure decision-point, when pressure transmitter monitoring
When force value is less than low pressure decision-point, Electrohydraulic push rod performs extending action, when the force value of pressure transmitter monitoring is sentenced in low pressure
Time between fixed point and high pressure decision-point, Electrohydraulic push rod performs stopping action, when the force value of pressure transmitter monitoring is more than high pressure
During decision-point, Electrohydraulic push rod performs retracting action;
Step 4: after the lower position switch of Electrohydraulic push rod impulse stroke destination county is triggered, the movement of suction tube is described
The Duan Guanti bottom mouth of pipe is moved into bottom ton bag, and the granular material in ton bag has completed vacuum intake, the most electro-hydraulic
Push rod performs stopping action;
Step 5: when, after stopping action executing a period of time of Electrohydraulic push rod, Electrohydraulic push rod starts to perform retracting action again,
Until after the upper limit position switch of Electrohydraulic push rod impulse stroke starting point is triggered, Electrohydraulic push rod re-executes stopping action, now
The mobile section body of suction tube returns to the surface of ton bag;
Step 6: removed by the ton bag being complete discharging, changes the brand-new ton bag filling granular material, starts
Carry out vacuum intake operation next time.
Beneficial effects of the present invention:
The present invention is compared with existing artificial broken bag discharge way, it is possible to effectively saving man power and material, discharge process is not
A ton bag can be damaged, make ton bag to reuse, it can be avoided that the generation of dust suspension in discharge process, prevent work
The pollution of environment, it is ensured that staff's is healthy.
Accompanying drawing explanation
Fig. 1 is that a kind of automatization's vacuum intaking device (when being in upper limit) structure for granular material of the present invention is shown
It is intended to;
Fig. 2 is that a kind of automatization's vacuum intaking device (when being in lower limit) structure for granular material of the present invention is shown
It is intended to;
In figure, 1 Roots vaccum pump, 2 Electrohydraulic push rods, 3 static segment bodys, 4 mobile section bodys, 5 upper limits
Switch, 6 lower position switch, 7 air auxiliary inlet manifolds, 8 ring-type inlet channels, 9 pressure transmitters, 10 tons of bags
Bag.
Detailed description of the invention
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, a kind of automatization's vacuum intaking device for granular material, including Roots vaccum pump 1, suction
Pipe and Electrohydraulic push rod 2, described suction tube uses telescopic structure, and suction tube is divided into static segment body 3 and mobile section body 4, inhales
Material pipe is vertically arranged, and mobile section body 4 is sleeved on static segment body 3 lower end, and described Roots vaccum pump 1 is connected to static segment pipe
Body 3 upper end;Described Electrohydraulic push rod 2 is fixedly installed on static segment body 3 sidepiece of suction tube, and Electrohydraulic push rod 2 and static segment pipe
Body 3 be arranged in parallel, and the push rod end of Electrohydraulic push rod 2 is fixedly connected with mobile section body 4.
In order to set the impulse stroke scope of Electrohydraulic push rod 2, the impulse stroke starting point at described Electrohydraulic push rod 2 is provided with
Upper limit position switch 5, the impulse stroke destination county at Electrohydraulic push rod 2 is provided with lower position switch 6.
For the air amount of carrying out ensured during vacuum intake in ton bag, at the mobile section body 4 of described suction tube
Outside fixed cover, equipped with air auxiliary inlet manifold 7, forms ring-type air inlet between air auxiliary inlet manifold 7 and mobile section body 4
Passage 8.
For the real-time pressure monitored during vacuum intake in suction tube, the static segment body 3 at described suction tube is managed
Pressure transmitter 9 is installed on wall.
The using method of the described automatization's vacuum intaking device for granular material, comprises the steps:
Step one: start Roots vaccum pump 1, forms negative pressure in making suction tube, monitors suction in real time by pressure transmitter 9
Overpressure value, Electrohydraulic push rod 2 is in retracted mode, and the ton bag 10 filling granular material is placed in the mobile section pipe of suction tube
Immediately below body 4;
Step 2: start Electrohydraulic push rod 2, Electrohydraulic push rod 2 performs extending action, drive the mobile section body 4 of suction tube with
And air auxiliary inlet manifold 7 moves downwardly together, in making the mobile section body 4 bottom mouth of pipe stretch into ton bag 10 and move closer to powder
Shape material, proceeds by vacuum intake;
Step 3: during vacuum intake, Electrohydraulic push rod 2 needs execution to stretch out, stops or retracting action, Electrohydraulic push rod
2 stretch out, stop or retracting action needs the force value according to pressure transmitter 9 monitoring to be determined, be used for determining electro-hydraulic pushing away
The force value of bar 2 action executing has two decision-points, is divided into low pressure decision-point (25kPa) and high pressure decision-point (30kPa), when
When the force value of pressure transmitter 9 monitoring is less than low pressure decision-point (25kPa), Electrohydraulic push rod 2 performs extending action, when pressure becomes
When sending force value that device 9 monitors between low pressure decision-point (25kPa) and high pressure decision-point (30kPa), Electrohydraulic push rod 2 performs to stop
Stop is made, and when the force value of pressure transmitter 9 monitoring is more than high pressure decision-point (30kPa), it is dynamic that Electrohydraulic push rod 2 performs retraction
Make;
Step 4: after the lower position switch 6 of Electrohydraulic push rod 2 impulse stroke destination county is triggered, the shifting of suction tube is described
The dynamic section body 4 bottom mouth of pipe is moved into bottom ton bag 10, and the granular material in ton bag 10 has completed vacuum intake, this
Time Electrohydraulic push rod 2 perform stopping action;
Step 5: when (about 20 seconds) after stopping action executing a period of time of Electrohydraulic push rod 2, Electrohydraulic push rod 2 starts again
Perform retracting action, until after the upper limit position switch 5 of the impulse stroke starting point of Electrohydraulic push rod 2 is triggered, Electrohydraulic push rod 2 is again
Performing stopping action, now the mobile section body 4 of suction tube returns to the surface of ton bag 10;
Step 6: removed by the ton bag 10 being complete discharging, changes the brand-new ton bag 10 filling granular material,
Proceed by vacuum intake operation next time.
According to actual production operation needs, it is possible to use vacuum intake process is carried out certainly by PLC, single-chip microcomputer or computer
Dynamicization controls.
Scheme in embodiment is also not used to limit the scope of patent protection of the present invention, all without departing from the present invention do etc.
Effect is implemented or change, is both contained in the scope of the claims of this case.
Claims (5)
1. the automatization's vacuum intaking device for granular material, it is characterised in that: include Roots vaccum pump, suction tube and
Electrohydraulic push rod, described suction tube uses telescopic structure, and suction tube is divided into static segment body and mobile section body, and suction tube is vertical
Arranging, and mobile section body is sleeved on static segment body lower end, described Roots vaccum pump is connected to static segment body upper end;Described
Electrohydraulic push rod is fixedly installed on the static segment body sidepiece of suction tube, and Electrohydraulic push rod be arranged in parallel with static segment body, electro-hydraulic
The push rod end of push rod is fixedly connected with mobile section body.
A kind of automatization's vacuum intaking device for granular material the most according to claim 1, it is characterised in that: in institute
The impulse stroke starting point stating Electrohydraulic push rod is provided with upper limit position switch, under the impulse stroke destination county of Electrohydraulic push rod is provided with
Limit switch.
A kind of automatization's vacuum intaking device for granular material the most according to claim 2, it is characterised in that: in institute
State outside the mobile section body of suction tube fixed cover equipped with air auxiliary inlet manifold, at air auxiliary inlet manifold and mobile section body
Between form ring-type inlet channel.
A kind of automatization's vacuum intaking device for granular material the most according to claim 3, it is characterised in that: in institute
On the tube wall of the static segment body stating suction tube, pressure transmitter is installed.
5. the using method of the automatization's vacuum intaking device for granular material described in claim 4, it is characterised in that bag
Include following steps:
Step one: start Roots vaccum pump, is formed negative pressure in making suction tube, is monitored suction tube in real time by pressure transmitter intrinsic pressure
Force value, Electrohydraulic push rod is in retracted mode, is placed in immediately below the mobile section body of suction tube by the ton bag filling granular material;
Step 2: start Electrohydraulic push rod, Electrohydraulic push rod performs extending action, drives the mobile section body of suction tube and air auxiliary
Help air inlet pipe to move downwardly together, make the bottom mouth of pipe of mobile section body stretch in ton bag and move closer to granular material, open
Begin to carry out vacuum intake;
Step 3: during vacuum intake, Electrohydraulic push rod needs execution to stretch out, stops or retracting action, stretching of Electrohydraulic push rod
Go out, stop or retracting action need according to pressure transmitter monitoring force value be determined, be used for determining Electrohydraulic push rod action
The force value performed has two decision-points, is divided into low pressure decision-point and high pressure decision-point, when the pressure of pressure transmitter monitoring
When value is less than low pressure decision-point, Electrohydraulic push rod performs extending action, when the force value of pressure transmitter monitoring is at low pressure decision-point
And time between high pressure decision-point, Electrohydraulic push rod performs stopping action, when the force value of pressure transmitter monitoring judges more than high pressure
During point, Electrohydraulic push rod performs retracting action;
Step 4: after the lower position switch of Electrohydraulic push rod impulse stroke destination county is triggered, illustrates the mobile section pipe of suction tube
The body bottom mouth of pipe is moved into bottom ton bag, and the granular material in ton bag has completed vacuum intake, now Electrohydraulic push rod
Perform stopping action;
Step 5: when, after stopping action executing a period of time of Electrohydraulic push rod, Electrohydraulic push rod starts to perform retracting action again, until
After the upper limit position switch of Electrohydraulic push rod impulse stroke starting point is triggered, Electrohydraulic push rod re-executes stopping action, now suction
The mobile section body of pipe returns to the surface of ton bag;
Step 6: removed by the ton bag being complete discharging, changes the brand-new ton bag filling granular material, proceeds by
Vacuum intake operation next time.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610542980.7A CN106044238B (en) | 2016-07-12 | 2016-07-12 | A kind of application method of automation vacuum intaking device for granular material |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610542980.7A CN106044238B (en) | 2016-07-12 | 2016-07-12 | A kind of application method of automation vacuum intaking device for granular material |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106044238A true CN106044238A (en) | 2016-10-26 |
CN106044238B CN106044238B (en) | 2018-01-09 |
Family
ID=57185714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610542980.7A Active CN106044238B (en) | 2016-07-12 | 2016-07-12 | A kind of application method of automation vacuum intaking device for granular material |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN106044238B (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106494892A (en) * | 2016-12-13 | 2017-03-15 | 青岛软控机电工程有限公司 | A kind of parcel automatic material-absorbing device and automatic material-absorbing method |
CN111003513A (en) * | 2019-12-25 | 2020-04-14 | 青岛众屹科锐工程技术有限公司 | Suction nozzle electric lifting type device for conveying dust in charging bucket |
CN111301731A (en) * | 2020-04-24 | 2020-06-19 | 山东泰普锂业科技有限公司 | Lithium hydroxide micro-powder vacuum pumping and bag pouring device and using method thereof |
CN112173717A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创环保科技有限责任公司 | Washing fly ash conveying process |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2286772A1 (en) * | 1974-10-03 | 1976-04-30 | Etpm | Pneumatic suction conveyor for bulk material - recycles warm fan exhaust to suction heat to prevent material binding |
CN2480342Y (en) * | 2001-05-17 | 2002-03-06 | 郑州未来粮油机械工程有限公司 | Multifunctional deep grain detecting machine |
CN2892762Y (en) * | 2005-12-19 | 2007-04-25 | 贵阳铝镁设计研究院 | Vertical material suction pipe |
CN201409423Y (en) * | 2009-03-13 | 2010-02-24 | 福建省农业机械化研究所 | Pneumatic tea conveying device |
US20120177451A1 (en) * | 2009-05-20 | 2012-07-12 | Kvalheim Andrew M | Apparatus for extracting and delivering articles in amounts of uniform size |
CN206265871U (en) * | 2016-07-12 | 2017-06-20 | 沈阳鑫博工业技术股份有限公司 | A kind of automation vacuum intaking device for granular material |
-
2016
- 2016-07-12 CN CN201610542980.7A patent/CN106044238B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2286772A1 (en) * | 1974-10-03 | 1976-04-30 | Etpm | Pneumatic suction conveyor for bulk material - recycles warm fan exhaust to suction heat to prevent material binding |
CN2480342Y (en) * | 2001-05-17 | 2002-03-06 | 郑州未来粮油机械工程有限公司 | Multifunctional deep grain detecting machine |
CN2892762Y (en) * | 2005-12-19 | 2007-04-25 | 贵阳铝镁设计研究院 | Vertical material suction pipe |
CN201409423Y (en) * | 2009-03-13 | 2010-02-24 | 福建省农业机械化研究所 | Pneumatic tea conveying device |
US20120177451A1 (en) * | 2009-05-20 | 2012-07-12 | Kvalheim Andrew M | Apparatus for extracting and delivering articles in amounts of uniform size |
CN206265871U (en) * | 2016-07-12 | 2017-06-20 | 沈阳鑫博工业技术股份有限公司 | A kind of automation vacuum intaking device for granular material |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106494892A (en) * | 2016-12-13 | 2017-03-15 | 青岛软控机电工程有限公司 | A kind of parcel automatic material-absorbing device and automatic material-absorbing method |
CN111003513A (en) * | 2019-12-25 | 2020-04-14 | 青岛众屹科锐工程技术有限公司 | Suction nozzle electric lifting type device for conveying dust in charging bucket |
CN111301731A (en) * | 2020-04-24 | 2020-06-19 | 山东泰普锂业科技有限公司 | Lithium hydroxide micro-powder vacuum pumping and bag pouring device and using method thereof |
CN112173717A (en) * | 2020-10-30 | 2021-01-05 | 芜湖海创环保科技有限责任公司 | Washing fly ash conveying process |
CN112173717B (en) * | 2020-10-30 | 2022-09-13 | 芜湖海创环保科技有限责任公司 | Washing fly ash conveying process |
Also Published As
Publication number | Publication date |
---|---|
CN106044238B (en) | 2018-01-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106044238A (en) | Automatic vacuum material sucking device for powdery material and using method | |
CN206326352U (en) | Air valve of inflator inner core assembles device | |
CN207730407U (en) | Oil drum leak detector | |
CN206265871U (en) | A kind of automation vacuum intaking device for granular material | |
CN203295393U (en) | Waste explosive recover device | |
CN103921965A (en) | Valve port packaging machine | |
CN106241146A (en) | A kind of trash compactor | |
CN211996217U (en) | Gas-containing material packaging device with lifting type air exhaust mechanism | |
CN207524034U (en) | A kind of socks packing machine | |
CN207371372U (en) | Carbon black powder automatic weighing-batching system | |
CN206422168U (en) | A kind of cylindrical power battery enters frame machine | |
CN205770467U (en) | A kind of odd test napkin sealed in unit | |
CN202742217U (en) | Shot blasting machine for ingot mold cavity | |
CN212633243U (en) | Quantitative glue injection device | |
CN210334199U (en) | Automatic riveting gun | |
CN114314044A (en) | Automatic charging and filling system for battery material graphitization crucible | |
CN204383876U (en) | One pulls out bag apparatus | |
CN209080923U (en) | A kind of adsorbent equipment applied to machining | |
CN102992034B (en) | Movable container powder and particle material vanning and devanning canning equipment and method utilizing same | |
CN103043354A (en) | Garbage compression equipment | |
CN104803178A (en) | Automatic unloading system for battery powder | |
CN203092357U (en) | Movable barrel type sandblasting machine | |
CN207106950U (en) | A kind of transmitting device when facilitating the corn flour to pack | |
CN204210802U (en) | Automatic bag sheathing device | |
CN206718266U (en) | A kind of automatic material-absorbing device of plastic grain |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |