CN110116910A - Vacuum charging device for various materials mixing - Google Patents
Vacuum charging device for various materials mixing Download PDFInfo
- Publication number
- CN110116910A CN110116910A CN201910530243.9A CN201910530243A CN110116910A CN 110116910 A CN110116910 A CN 110116910A CN 201910530243 A CN201910530243 A CN 201910530243A CN 110116910 A CN110116910 A CN 110116910A
- Authority
- CN
- China
- Prior art keywords
- mixing bunker
- feeding
- mixing
- feeding bin
- bin
- 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
- 239000000463 material Substances 0.000 title claims abstract description 55
- 230000000694 effects Effects 0.000 claims abstract description 11
- 238000005303 weighing Methods 0.000 claims description 15
- 238000001914 filtration Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 3
- 239000004615 ingredient Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/181—Preventing generation of dust or dirt; Sieves; Filters
- B01F35/187—Preventing generation of dust or dirt; Sieves; Filters using filters in mixers, e.g. during venting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/20—Measuring; Control or regulation
- B01F35/21—Measuring
- B01F35/211—Measuring of the operational parameters
- B01F35/2117—Weight
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/714—Feed mechanisms for feeding predetermined amounts
- B01F35/7141—Feed mechanisms for feeding predetermined amounts using measuring chambers moving between a loading and unloading position, e.g. reciprocating feed frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/718—Feed mechanisms characterised by the means for feeding the components to the mixer using vacuum, under pressure in a closed receptacle or circuit system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
- B01F35/71805—Feed mechanisms characterised by the means for feeding the components to the mixer using valves, gates, orifices or openings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
- B01F35/7547—Discharge mechanisms characterised by the means for discharging the components from the mixer using valves, gates, orifices or openings
-
- 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
- B65G53/36—Arrangements of containers
Abstract
The invention discloses a kind of vacuum charging devices for various materials mixing, including feeding bin and mixing bunker, feeding bin setting at least two, and each feeding bin is connected to mixing bunker, and the material in feeding bin can be delivered in mixing bunker under external force, feeding bin includes feeding port, feeding port is connected to by pipeline with material bin, Pneumatic butterfly valve is provided between feeding port and pipeline, vacuum motor is also connected on feeding bin, it is connected to inside vacuum motor and feeding bin, and can provide feeding bin the power required in feeding.The amount of conveying material is controlled by Pneumatic butterfly valve, and then enters mixing bunker, is mixed evenly in mixing bunker, then mixed material is delivered in process equipment, that is, achieve the effect that efficient conveying multi-component masses are produced and processed.
Description
Technical field
The present invention relates to vacuum feeding apparatus fields, more particularly to a kind of compound vacuum for various materials mixing
Feeding device.
Background technique
In actual production process, the material for generally requiring various ingredients is cooperated, and ability final production goes out product,
And the material of various ingredients is during transportation since respective ratio is different, so the mode for mostly using classification to convey greatly, i.e.,
It is conveyed by one pack system material, then proportional arrangement is carried out by operator, eventually entered into production equipment, complete production.But
Although being that this means of transportation is also feasible, inefficiency is not able to satisfy growing production requirement.
Therefore the invention patent inventor, when multi-component masses conveying aiming at the problem that inefficiency, it is intended to which invention is efficient
For various materials mixing vacuum charging device.
Summary of the invention
To overcome disadvantages mentioned above, the purpose of the present invention is to provide the vacuum charging devices mixed for various materials.
In order to reach the goals above, the technical solution adopted by the present invention is that: it is a kind of for various materials mixing vacuum
Expect device, including feeding bin and mixing bunker, the feeding bin setting at least two, and each feeding bin connects with mixing bunker
It is logical, and the material in the feeding bin can be delivered in mixing bunker under external force, the feeding bin includes feeding port, institute
It states feeding port and is connected to material bin by pipeline, be provided with Pneumatic butterfly valve between the feeding port and pipeline, on the feeding bin
It is also connected with vacuum motor, is connected to inside the vacuum motor and feeding bin, and it is required in feeding to provide the feeding bin
Power.
Preferably, feeding motor is also added in the position that the feeding bin is connected to mixing bunker, and the feeding motor setting exists
Close to the side of feeding bin, and material can be pushed in mixing bunker by the feeding motor.Feeding motor is i.e. in the preceding paragraph is fallen
The external force of description.
Preferably, the mixing bunker by weighing sensor be arranged on mounting rack, and the weighing sensor be arranged to
It is three few, and be evenly distributed on around the mixing bunker, the weighing sensor is capable of measuring the quality of mixing bunker, and data are passed
Transport to terminal.It is fixed on ground or other facilities by mounting rack, and three weighing sensors are uniformly arranged, that is, is spaced 120
Degree setting, it is accurate when weighing to guarantee.
Preferably, it is additionally provided with air filtering core on the mixing bunker, is connected to inside the air filtering core and mixing bunker, and energy
To provide air inside the mixing bunker.Guarantee the air pressure balance inside mixing bunker, to keep material natural under the effect of gravity
It falls.
Preferably, it is additionally provided with pneumatic hammer on the mixing bunker, is connected to inside the pneumatic hammer and mixing bunker, and can be to institute
State mixing bunker acting.The main function of pneumatic hammer is to realize mixed effect, i.e., mixes various materials in mixing bunker.
Preferably, the mixing bunker is vertically arranged, and the upper end is connect with the feeding bin, and the material in the mixing bunker exists
Energy free-falling is to the discharge port of lower end under gravity, and the discharge port connects Pneumatic butterfly valve, and the Pneumatic butterfly valve is another
Side connects discharge nozzle, and the discharge nozzle is connect with production equipment, and at least two air filtering cores are arranged on the discharge nozzle, and
Two air filtering cores are located at the two sides of the mixing bunker Yu discharge nozzle link position.While guaranteeing material conveying, put down
Weigh its air pressure inside, guarantees the efficiency of conveying, while valve is arranged in the position of some or certain several air filtering cores, can control
Transfer efficiency.
Preferably, the pipeline is L-type or T-type.If convey same material, multiple pipelines can be gone here and there
Connection, that is, achieve the effect that while conveying.
Preferably, movable door is additionally provided on the feeding bin, the door is hinged on feeding bin, and the storehouse
Handle is also set up on door.By movable door, when breaking down inside feeding bin, worker can timely be repaired,
Certain most common problem is the problem of material blocks, this problem can be solved perfectly by opening door.
The present invention is to be controlled by Pneumatic butterfly valve respectively for the beneficial effect of the vacuum charging device of various materials mixing
Component conveys the amount of material, and then enters mixing bunker, is mixed evenly in mixing bunker, then conveys mixed material
Into process equipment, that is, achieve the effect that efficient conveying multi-component masses are produced and processed.
Detailed description of the invention
Fig. 1 is the overall structure diagram of vacuum feeding component.
Fig. 2 is the structural schematic diagram of feeding bin.
Fig. 3 is the structural schematic diagram of mixing bunker.
In figure:
1- feeding bin；2- mixing bunker；3- feeding motor；
11- feeding port；12- pipeline；13- Pneumatic butterfly valve；14- vacuum motor；15- door；16- handle；
21- weighing sensor；22- air filtering core；23- pneumatic hammer；24- discharge port；25- discharge nozzle.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Referring to shown in attached drawing 1-3, the vacuum charging device for various materials mixing in the present embodiment, including feeding bin
1 and mixing bunker 2, the setting of feeding bin 1 at least two, and each feeding bin 1 is connected to mixing bunker 2, and can be under external force
Material in feeding bin 1 is delivered in mixing bunker 2, the position that feeding bin 1 is connected to mixing bunker 2 sets feeding motor 3, feeding electricity
Machine 3 is positioned close to the side of feeding bin 1, and material can be pushed in mixing bunker 2 by feeding motor 3, and feeding motor 3 describes
External force.
Referring to attached drawing 2, feeding bin 1 includes feeding port 11, and feeding port 11 is connected to by pipeline 12 with material bin, feeding port 11
It is provided with Pneumatic butterfly valve 13 between pipeline 12, vacuum motor 14, vacuum motor 14 and feeding bin 1 are also connected on feeding bin 1
Inside connection, and can provide feeding bin 1 power required in feeding, pipeline 12 is L-type or T-type, if conveying same object
When material, multiple pipelines 12 can be connected, that is, achieve the effect that while conveying；Movable storehouse is additionally provided on feeding bin 1
Door 15, door 15 is hinged on feeding bin 1, and handle 16 is also set up on door 15, by movable door 15, when feeding bin 1
When inside is broken down, worker can timely be repaired, and certain most common problem is the problem of material blocks, and be led to
This problem can be solved perfectly by crossing opening door 15.
Referring to attached drawing 3, mixing bunker 2 is arranged on mounting rack by weighing sensor 21, and the setting of weighing sensor 21 is extremely
It is three few, and be evenly distributed on around mixing bunker 2, weighing sensor 21 is capable of measuring the quality of mixing bunker 2, and sends data to
Terminal.It is fixed on ground or other facilities by mounting rack, and three weighing sensors 21 are uniformly arranged, that is, is spaced 120 degree
Setting, it is accurate when weighing to guarantee；It is additionally provided with air filtering core 22 on mixing bunker 2, connects inside air filtering core 22 and mixing bunker 2
It is logical, and can guarantee the air pressure balance inside mixing bunker 2, to make material under the effect of gravity to provide air inside mixing bunker 2
Naturally it falls；It is additionally provided with pneumatic hammer 23 on mixing bunker 2, is connected to inside pneumatic hammer 23 and mixing bunker 2, and mixing bunker 2 can be done
Function, the main function of pneumatic hammer 23 are to realize mixed effect, i.e., mix various materials in mixing bunker 2；
Meanwhile mixing bunker 2 is vertically arranged, the upper end is connect with feeding bin 1, and the material in mixing bunker 2 is under the effect of gravity
Energy free-falling is to the discharge port 24 of lower end, and discharge port 24 connects Pneumatic butterfly valve 13, and the other side of Pneumatic butterfly valve 13 connects out
Expects pipe 25, discharge nozzle 25 are connect with production equipment, and at least two air filtering cores 22 are arranged on discharge nozzle 25, and two air filters
Core 22 is located at the two sides of mixing bunker 2 Yu 25 link position of discharge nozzle, while guaranteeing material conveying, balances its air pressure inside,
Guarantee the efficiency of conveying, while valve is set in the position of some or certain several air filtering cores 22, can control transfer efficiency.
Overall mentality of designing: the amount of each component conveying material is controlled by Pneumatic butterfly valve 13, naturally it is also possible to be added
Computer control is controlled the open amount of Pneumatic butterfly valve 13 by program, and then enters mixing bunker 2, is mixed and is stirred in mixing bunker 2
It mixes uniformly, then mixed material is delivered in process equipment, that is, reaches efficient conveying multi-component masses and is given birth to
Produce the effect of processing.
Basic operating procedure:
1. basic equipment to be fixed on to the gating location of process equipment by mounting rack；
2. adjusting the Pneumatic butterfly valve 13 of feeding bin 1, and then start vacuum motor 14, so that material is entered feeding bin 1, this step
The content of material component is mainly adjusted according to proportion；
3. starting feeding motor 3, the material in feeding bin 1 is delivered in mixing bunker 2, restarts pneumatic hammer 23, to object
Material is stirred, and is delivered to 25 position of discharge nozzle from discharge port 24 after stirring, until at process equipment；
4. simultaneously, mixing bunker 2 is to be connected with weighing sensor 21, can weigh upon mixing once, it is also real in discharging
When test, the amount of material in you can get it process equipment.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention
The equivalent change or modification that essence is done, should be covered by the scope of protection of the present invention.
Claims (8)
1. a kind of vacuum charging device for various materials mixing, including feeding bin (1) and mixing bunker (2), the feeding bin
(1) be arranged at least two, and each feeding bin (1) is connected to mixing bunker (2), and can under external force will be described on
Material in feed bin (1) is delivered in mixing bunker (2), and the feeding bin (1) includes feeding port (11), and the feeding port (11) is logical
It crosses pipeline (12) to be connected to material bin, it is characterised in that: be provided with Pneumatic butterfly valve between the feeding port (11) and pipeline (12)
(13), it is also connected with vacuum motor (14) on the feeding bin (1), is connected to inside the vacuum motor (14) and feeding bin (1),
And it can provide the feeding bin (1) power required in feeding.
2. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the feeding bin
(1) position being connected to mixing bunker (2) is also added feeding motor (3), and the feeding motor (3) is positioned close to feeding bin (1)
Side, and material can be pushed in mixing bunker (2) by the feeding motor (3).
3. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the mixing bunker
(2) it is arranged on mounting rack by weighing sensor (21), and the weighing sensor (21) setting at least three, and is uniformly divided
For cloth around the mixing bunker (2), the weighing sensor (21) is capable of measuring the quality of mixing bunker (2), and sends data to
Terminal.
4. according to the vacuum charging device described in claim 1 for various materials mixing, it is characterised in that: the mixing bunker
(2) it is additionally provided with air filtering core (22), is connected to inside the air filtering core (22) and mixing bunker (2), and can be the mixing on
Air is provided inside storehouse (2).
5. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the mixing bunker
(2) it is additionally provided with pneumatic hammer (23), is connected to inside the pneumatic hammer (23) and mixing bunker (2), and can be to the mixing bunker (2) on
Acting.
6. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the mixing bunker
(2) it is vertically arranged, the upper end is connect with the feeding bin (1), and the material in the mixing bunker (2) under the effect of gravity can be free
The discharge port (24) of lower end is fallen to, the discharge port (24) connects Pneumatic butterfly valve (13), and the Pneumatic butterfly valve (13) is another
Side connects discharge nozzle (25), and the discharge nozzle (25) connect with production equipment, and is arranged at least two on the discharge nozzle (25)
A air filtering core (22), and two air filtering cores (22) are located at the mixing bunker (2) and discharge nozzle (25) connection position
The two sides set.
7. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the pipeline
It (12) is L-type or T-type.
8. the vacuum charging device according to claim 1 for various materials mixing, it is characterised in that: the feeding bin
(1) it is additionally provided on movable door (15), the door (15) is hinged on feeding bin (1), and on the door (15) also
It is arranged handle (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530243.9A CN110116910A (en) | 2019-06-19 | 2019-06-19 | Vacuum charging device for various materials mixing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910530243.9A CN110116910A (en) | 2019-06-19 | 2019-06-19 | Vacuum charging device for various materials mixing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110116910A true CN110116910A (en) | 2019-08-13 |
Family
ID=67524300
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910530243.9A Pending CN110116910A (en) | 2019-06-19 | 2019-06-19 | Vacuum charging device for various materials mixing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110116910A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476635A (en) * | 2021-12-13 | 2022-05-13 | 立之力机械(广州)股份有限公司 | Automatic production line for power battery raw materials |
| CN114534573A (en) * | 2022-03-01 | 2022-05-27 | 丰曦工业装备(山东省)有限公司 | Pneumatic conveyor |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203184B1 (en) * | 1997-06-13 | 2001-03-20 | Vervant Limited | Blender |
| CN204865676U (en) * | 2015-04-28 | 2015-12-16 | 中科翔（天津）科技有限公司 | Wet material blendor with pneumatic -power hammer |
| CN206082225U (en) * | 2016-08-31 | 2017-04-12 | 北京迦南莱米特科技有限公司 | Material mixing equipment |
| US20170320029A1 (en) * | 2014-11-20 | 2017-11-09 | O.E.D.A. Liand Holdings (2006) Ltd. | Multi-channel gravimetric batch blender |
| CN107961721A (en) * | 2017-11-28 | 2018-04-27 | 宁夏共享机床辅机有限公司 | A kind of powder intelligence feeding matches mixing arrangement |
| CN208791200U (en) * | 2018-09-05 | 2019-04-26 | 江西佳霖炭业科技有限公司 | A kind of active carbon vacuum compression moulding pug mill |
| CN208964090U (en) * | 2018-08-09 | 2019-06-11 | 河北凡度机械科技有限公司 | A kind of novel powder conveying tonifying Qi accelerator |
| CN210236425U (en) * | 2019-06-19 | 2020-04-03 | 江苏鑫邦诚环保科技有限公司 | Vacuum feeding device for mixing multiple materials |
-
2019
- 2019-06-19 CN CN201910530243.9A patent/CN110116910A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6203184B1 (en) * | 1997-06-13 | 2001-03-20 | Vervant Limited | Blender |
| US20170320029A1 (en) * | 2014-11-20 | 2017-11-09 | O.E.D.A. Liand Holdings (2006) Ltd. | Multi-channel gravimetric batch blender |
| CN204865676U (en) * | 2015-04-28 | 2015-12-16 | 中科翔（天津）科技有限公司 | Wet material blendor with pneumatic -power hammer |
| CN206082225U (en) * | 2016-08-31 | 2017-04-12 | 北京迦南莱米特科技有限公司 | Material mixing equipment |
| CN107961721A (en) * | 2017-11-28 | 2018-04-27 | 宁夏共享机床辅机有限公司 | A kind of powder intelligence feeding matches mixing arrangement |
| CN208964090U (en) * | 2018-08-09 | 2019-06-11 | 河北凡度机械科技有限公司 | A kind of novel powder conveying tonifying Qi accelerator |
| CN208791200U (en) * | 2018-09-05 | 2019-04-26 | 江西佳霖炭业科技有限公司 | A kind of active carbon vacuum compression moulding pug mill |
| CN210236425U (en) * | 2019-06-19 | 2020-04-03 | 江苏鑫邦诚环保科技有限公司 | Vacuum feeding device for mixing multiple materials |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114476635A (en) * | 2021-12-13 | 2022-05-13 | 立之力机械(广州)股份有限公司 | Automatic production line for power battery raw materials |
| CN114534573A (en) * | 2022-03-01 | 2022-05-27 | 丰曦工业装备(山东省)有限公司 | Pneumatic conveyor |
| CN114534573B (en) * | 2022-03-01 | 2023-06-20 | 丰曦工业装备(山东省)有限公司 | Pneumatic conveyor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190813 |
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| RJ01 | Rejection of invention patent application after publication |