CN109484807B - Totally-enclosed bidirectional powder feeding device - Google Patents
Totally-enclosed bidirectional powder feeding device Download PDFInfo
- Publication number
- CN109484807B CN109484807B CN201811617916.6A CN201811617916A CN109484807B CN 109484807 B CN109484807 B CN 109484807B CN 201811617916 A CN201811617916 A CN 201811617916A CN 109484807 B CN109484807 B CN 109484807B
- Authority
- CN
- China
- Prior art keywords
- shell
- conveying belt
- spiral blade
- opening
- feeding device
- 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.)
- Active
Links
- 239000000843 powder Substances 0.000 title claims abstract description 33
- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 52
- 238000007789 sealing Methods 0.000 claims abstract description 32
- 238000007599 discharging Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 11
- 230000003749 cleanliness Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000005303 weighing Methods 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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—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
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/08—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration the load-carrying surface being formed by a concave or tubular belt, e.g. a belt forming a trough
-
- 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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/30—Screws with a discontinuous helical surface
-
- 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
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/34—Applications of driving gear
-
- 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
- B65G45/00—Lubricating, cleaning, or clearing devices
- B65G45/10—Cleaning 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/34—Devices for discharging articles or materials from conveyor
-
- 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
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding 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
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a totally-enclosed bidirectional powder feeding device, which comprises feeding equipment and sealing conveying equipment, wherein the feeding equipment is positioned above the sealing conveying equipment; the feeding equipment comprises a shell, two ends of the shell are respectively provided with a bearing, a rotary shaft is movably arranged between the two bearings, a material distributing disc is arranged in the middle of the rotary shaft, a left-hand spiral blade is arranged on the rotary shaft on the left side of the material distributing disc, a right-hand spiral blade is arranged on the rotary shaft on the right side of the material distributing disc, and the sealing conveying equipment comprises a sealing shell and a conveying belt. The invention can ensure that the materials on the conveyer belt are even, and the conveyer belt is stable and orderly in blanking, so that the powder materials are prevented from flying, and the powder materials are prevented from flowing back, so that the overall cleanliness of the conveyer is ensured.
Description
Technical Field
The invention relates to the technical field of feeding equipment, in particular to a totally-enclosed bidirectional powder feeding device.
Background
The feeding device is one of the common devices in production, especially in the powder material production process, and is an indispensable device, and mainly comprises the steps of inputting the material onto the conveying device through the screw feeding device, and conveying the material to the next working procedure through the conveying device.
When the traditional feeding equipment is used for feeding powder materials, the following problems exist:
1. because the powder materials are lighter, the powder can fly around easily in the conveying process, and the environment is seriously influenced.
2. Because the feeding equipment is one-way feeding, when the powder materials are conveyed on a conveyor, the powder materials are easy to adsorb and often accumulated in the spiral feeding equipment, so that the feeding of the materials is influenced for a long time.
3. Because powder material is easy to appear powder backward flow in the department of conveying equipment ejection of compact, make powder material fall into on the inside spare part of conveying equipment and influence conveying equipment's normal use.
4. And because the powder material is supplied to the conveying equipment through the screw feeding equipment, when the powder material falls into the conveying belt of the conveying equipment through a single feed opening, the powder material is uneven on the conveying belt, and the quantitative weight stabilization of the next link of the powder material is affected.
Disclosure of Invention
The invention aims to provide a fully-closed bidirectional powder feeding device.
The technical problems to be solved by the invention are realized by adopting the following technical scheme:
the fully-closed bidirectional powder feeding device comprises feeding equipment and sealing conveying equipment, wherein the feeding equipment is positioned above the sealing conveying equipment;
the feeding equipment comprises a shell, wherein two ends of the shell are respectively provided with a bearing, a rotary shaft is movably arranged between the two bearings, a material distributing disc is arranged in the middle of the rotary shaft, a left-hand spiral blade is arranged on the rotary shaft on the left side of the material distributing disc, a right-hand spiral blade is arranged on the rotary shaft on the right side of the material distributing disc, a second discharging opening is arranged on the shell below the left-hand spiral blade, a first discharging opening is arranged on the shell below the right-hand spiral blade, and a hopper is also arranged on the shell above the material distributing disc; one end of the rotating shaft is also connected with a speed reducing motor which is used for driving the rotating shaft to rotate and driving the left-hand spiral blade and the right-hand spiral blade to reversely rotate.
The sealing conveying equipment comprises a sealing shell and a conveying belt, wherein the conveying belt is arranged in the sealing shell, an upper space is reserved above the conveying belt and the sealing shell, a lower space is reserved below the conveying belt, and a discharge hole is formed below the sealing shell at the tail end of the conveying belt.
Further, the sealing shell is composed of six panels, two feeding openings are reserved above the sealing shell, one feeding opening corresponds to the first discharging opening, and the other feeding opening corresponds to the second discharging opening.
Further, the distributing disc is positioned in the middle of the hopper.
Further, the diameter of the left-hand spiral blade is smaller than that of the right-hand spiral blade.
Further, a flexible material stabilizing port is arranged below the first material discharging port and the second material discharging port.
Further, a space is reserved between the lower end of the flexible material stabilizing opening and the lower conveying belt, the space is 5cm, and an opening at the lower end of the flexible material stabilizing opening is parallel to the conveying belt.
Further, the discharge hole is obliquely arranged, and the lower end of the discharge hole is parallel to the horizontal line.
Further, a baffle is arranged on the sealing shell below the tail end of the conveying belt, and a gap is reserved between the baffle and the conveying belt.
Further, a fan is arranged in the lower space at one side of the baffle plate, and an air outlet of the fan is opposite to a gap between the baffle plate and the conveying belt.
Further, the baffle is formed by two panels, one of which is vertically arranged, and the other is obliquely arranged and is consistent with the oblique direction of the discharge hole.
The beneficial effects of the invention are as follows:
1) According to the invention, bidirectional feeding is adopted, and the bidirectional spiral blades are adopted to convey powder materials to conveying equipment, and because the sizes of the bidirectional spiral blades are different, the right spiral blade is used as a main feed, and the left spiral blade is used as an auxiliary feed, the uniformity of the materials on the conveying belt can be ensured;
2) Because the flexible material stabilizing openings are respectively arranged below the first blanking opening and the second blanking opening, and the openings at the lower ends of the flexible material stabilizing openings are parallel to the conveying belt, the stable and orderly blanking is ensured, and the powder materials are prevented from flying;
3) The tail end blanking port of the sealing conveying device is obliquely arranged, and the lower end opening of the blanking port is in a horizontal state, so that the material is prevented from flying when falling into the weighing device;
4) In the invention, a baffle is arranged at the feed opening, a gap is reserved between the baffle and the conveying belt, a fan is arranged at one side of the gap, and the fan blows air, so that powder materials are prevented from flowing back, and the overall cleanliness of the conveying arrangement is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the feeding device of the present invention;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a top view of the seal delivery apparatus of the present invention;
FIG. 5 is a schematic view of a seal housing according to the present invention;
FIG. 6 is a schematic view of the positional relationship between the seal housing and the conveyor belt of the present invention.
Detailed Description
The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.
As shown in fig. 1-6, a totally-enclosed bidirectional powder feeding device comprises a feeding device 1 and a sealing conveying device 2, wherein the feeding device 1 is positioned above the sealing conveying device 2;
the feeding device 1 comprises a shell 100, wherein two ends of the shell 100 are respectively provided with a bearing 101, a rotary shaft 102 is movably arranged between the two bearings 101, a material distributing disc 103 is arranged in the middle of the rotary shaft 102, a left-hand spiral blade 104 is arranged on the rotary shaft 102 on the left side of the material distributing disc 103, a right-hand spiral blade 105 is arranged on the rotary shaft 102 on the right side of the material distributing disc 103, a second discharging opening 106 is arranged on the shell 100 below the left-hand spiral blade 104, a first discharging opening 107 is arranged on the shell 100 below the right-hand spiral blade 105, and a hopper 108 is also arranged on the shell 100 above the material distributing disc 103;
the sealing and conveying equipment 2 comprises a sealing shell 20 and a conveying belt 21, wherein the conveying belt 21 is arranged in the sealing shell 20, an upper space 3 is reserved above the conveying belt 21 and the sealing shell 20, a lower space 4 is reserved below the conveying belt, and a discharge hole 5 is arranged below the sealing shell 20 at the tail end of the conveying belt 21.
The seal housing 20 is formed by six panels, and two feed inlets 200 are reserved above the seal housing 20, wherein one feed inlet 200 corresponds to the first feed inlet 107, and the other feed inlet 200 corresponds to the second feed inlet 106.
The distributing tray 103 is located in the middle of the hopper 108.
The diameter of the left-hand helical blade 104 is smaller than the diameter of the right-hand helical blade 105.
And a flexible material stabilizing port 6 is arranged below the first blanking port 107 and the second blanking port 106.
The lower end of the flexible material stabilizing opening 6 is spaced from the lower conveying belt by 5cm, and the opening of the lower end of the flexible material stabilizing opening 6 is parallel to the conveying belt 21.
The discharge hole 5 is obliquely arranged, and the lower end of the discharge hole 5 is parallel to the horizontal line.
The seal housing 20 below the end of the conveyor belt 21 is also provided with a baffle 7, which mainly prevents powder material from flowing back during blanking, and a gap 8 is left between the baffle 7 and the conveyor belt 21. A fan 9 is also arranged in the lower space 4 at one side of the baffle 7, and an air outlet of the fan 9 is opposite to a gap 8 between the baffle 7 and the conveying belt 21.
The baffle 7 is composed of two panels, one of which is vertically arranged, and the other is obliquely arranged and is consistent with the oblique direction of the discharge hole 5.
One end of the rotating shaft 102 is also connected with a gear motor 109, which is used for driving the rotating shaft 102 to rotate and driving the left-hand spiral blade 104 and the right-hand spiral blade 105 to rotate reversely.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A totally-enclosed bidirectional powder feeding device is characterized in that: the device comprises a feeding device (1) and a sealing conveying device (2), wherein the feeding device (1) is positioned above the sealing conveying device (2);
the feeding equipment (1) comprises a shell (100), wherein two ends of the shell (100) are respectively provided with a bearing (101), a rotating shaft (102) is movably arranged between the two bearings (101), a material distributing disc (103) is arranged in the middle of the rotating shaft (102), a left-hand spiral blade (104) is arranged on the rotating shaft (102) on the left side of the material distributing disc (103), a right-hand spiral blade (105) is arranged on the rotating shaft (102) on the right side of the material distributing disc (103), a second discharging opening (106) is formed in the shell (100) below the left-hand spiral blade (104), a first discharging opening (107) is formed in the shell (100) below the right-hand spiral blade (105), and a hopper (108) is further arranged on the shell (100) above the material distributing disc (103); one end of the rotating shaft (102) is also connected with a gear motor (109) which is used for driving the rotating shaft (102) to rotate and driving the left-hand spiral blade (104) and the right-hand spiral blade (105) to reversely rotate;
the sealing conveying equipment (2) comprises a sealing shell (20) and a conveying belt (21), wherein the conveying belt (21) is arranged in the sealing shell (20), an upper space (3) is reserved above the conveying belt (21) and the sealing shell (20), a lower space (4) is reserved below the conveying belt, and a discharge hole (5) is formed below the sealing shell (20) at the tail end of the conveying belt (21);
the sealing shell (20) positioned below the tail end of the conveying belt (21) is also provided with a baffle (7), and a gap (8) is reserved between the baffle (7) and the conveying belt (21);
a fan (9) is arranged in the lower space (4) at one side of the baffle (7), and an air outlet of the fan (9) is opposite to a gap (8) between the baffle (7) and the conveying belt (21);
the baffle (7) is composed of two panels, one of which is vertically arranged, and the other is obliquely arranged and is consistent with the oblique direction of the discharge hole (5).
2. The totally enclosed bi-directional powder feeding device according to claim 1, wherein: the sealing shell (20) is composed of six panels, two feeding openings (200) are reserved above the sealing shell (20), one feeding opening (200) corresponds to the first discharging opening (107), and the other feeding opening (200) corresponds to the second discharging opening (106).
3. The totally enclosed bi-directional powder feeding device according to claim 1, wherein: the material distributing disc (103) is positioned in the middle of the hopper (108).
4. The totally enclosed bi-directional powder feeding device according to claim 1, wherein: the diameter of the left-hand spiral blade (104) is smaller than that of the right-hand spiral blade (105).
5. The totally enclosed bi-directional powder feeding device according to claim 1, wherein: and a flexible material stabilizing opening (6) is arranged below the first blanking opening (107) and the second blanking opening (106).
6. The totally enclosed bi-directional powder feeder of claim 5, wherein: the lower end of the flexible material stabilizing opening (6) is spaced from the lower conveying belt by 5cm, and the opening at the lower end of the flexible material stabilizing opening (6) is parallel to the conveying belt (21).
7. The totally enclosed bi-directional powder feeding device according to claim 1, wherein: the discharge hole (5) is obliquely arranged, and the lower end of the discharge hole (5) is parallel to the horizontal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617916.6A CN109484807B (en) | 2018-12-28 | 2018-12-28 | Totally-enclosed bidirectional powder feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811617916.6A CN109484807B (en) | 2018-12-28 | 2018-12-28 | Totally-enclosed bidirectional powder feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109484807A CN109484807A (en) | 2019-03-19 |
| CN109484807B true CN109484807B (en) | 2024-02-23 |
Family
ID=65712800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811617916.6A Active CN109484807B (en) | 2018-12-28 | 2018-12-28 | Totally-enclosed bidirectional powder feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109484807B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112844619B (en) * | 2021-01-27 | 2023-09-26 | 濉溪县鲁王制粉有限责任公司 | Auxiliary device for blanking of flour processing plant |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004210520A (en) * | 2003-01-08 | 2004-07-29 | Taisei Kogyo Kk | Pneumatic transportation device for powder |
| CN201211979Y (en) * | 2008-04-28 | 2009-03-25 | 合肥汇龙计量设备有限公司 | Novel feed hopper of speed regulation quantitative feeding weigher |
| CN201334237Y (en) * | 2008-12-19 | 2009-10-28 | 浙江菲达环保科技股份有限公司 | Powder material bidirectional distribution device |
| KR20100024114A (en) * | 2008-08-25 | 2010-03-05 | 글로벌텍 주식회사 | Feeding screw for raw materials |
| CN102963673A (en) * | 2012-11-30 | 2013-03-13 | 无锡杰思物流设备有限公司 | Mixed-type air cushion belt conveyor |
| CN104399668A (en) * | 2014-11-20 | 2015-03-11 | 嘉善杰盛无油轴承有限公司 | Novel powder treating device |
| CN204568671U (en) * | 2015-04-23 | 2015-08-19 | 周小杰 | Metering-type conveyor screw |
| CN107472914A (en) * | 2017-09-15 | 2017-12-15 | 山东司德伯重型装备有限公司 | Lock feeding device |
-
2018
- 2018-12-28 CN CN201811617916.6A patent/CN109484807B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004210520A (en) * | 2003-01-08 | 2004-07-29 | Taisei Kogyo Kk | Pneumatic transportation device for powder |
| CN201211979Y (en) * | 2008-04-28 | 2009-03-25 | 合肥汇龙计量设备有限公司 | Novel feed hopper of speed regulation quantitative feeding weigher |
| KR20100024114A (en) * | 2008-08-25 | 2010-03-05 | 글로벌텍 주식회사 | Feeding screw for raw materials |
| CN201334237Y (en) * | 2008-12-19 | 2009-10-28 | 浙江菲达环保科技股份有限公司 | Powder material bidirectional distribution device |
| CN102963673A (en) * | 2012-11-30 | 2013-03-13 | 无锡杰思物流设备有限公司 | Mixed-type air cushion belt conveyor |
| CN104399668A (en) * | 2014-11-20 | 2015-03-11 | 嘉善杰盛无油轴承有限公司 | Novel powder treating device |
| CN204568671U (en) * | 2015-04-23 | 2015-08-19 | 周小杰 | Metering-type conveyor screw |
| CN107472914A (en) * | 2017-09-15 | 2017-12-15 | 山东司德伯重型装备有限公司 | Lock feeding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109484807A (en) | 2019-03-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2991870A (en) | Materials processing apparatus | |
| CN101830353B (en) | Device for conveying material by a horizontal impeller feeder | |
| CN104528408A (en) | Maize pulp amount-adjusting conveyor | |
| CN210993907U (en) | Powder scattering assembly and solid and liquid mixing equipment using same | |
| CN109484807B (en) | Totally-enclosed bidirectional powder feeding device | |
| CN102658963A (en) | Automatic material guiding type internal screw conveyer | |
| CN218398923U (en) | Combined homogenizing tank | |
| KR101708006B1 (en) | A feed mixeing apparatus | |
| CN209506861U (en) | A kind of totally-enclosed two-way powder charging gear | |
| CN107758284A (en) | A kind of rotatable uniform feed device of conveyor type | |
| CN208531545U (en) | Belt conveyor feed end distribution device | |
| US3085831A (en) | Fine solids transferring device and method | |
| JP2011195248A (en) | Rotary feeder | |
| CN209143021U (en) | A kind of scroll feeder | |
| CN210943984U (en) | Double-roller feeder | |
| CN213621958U (en) | Automatic quantitative dispensing device of raw materials | |
| CN210027997U (en) | Powder feeding mechanism | |
| CN210752186U (en) | Efficient stirring anti-blocking feed hopper | |
| CN211846075U (en) | A high-precision double-shaft auger for batching | |
| CN209254967U (en) | Discharge wheel is used on a kind of air dry sand Recognition Applied in Coal Preparation System | |
| CN221893904U (en) | Multichannel impeller feeder | |
| CN208150329U (en) | A kind of material helix transporting device | |
| CN117842724B (en) | Fly ash feeding device for mineralizer production | |
| CN119330115B (en) | Food material conveying device with screening function | |
| CN204400220U (en) | Maize pulp tune amount conveyer |
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 |