CN112794206A - Backing plate feeding equipment - Google Patents
Backing plate feeding equipment Download PDFInfo
- Publication number
- CN112794206A CN112794206A CN202011562781.5A CN202011562781A CN112794206A CN 112794206 A CN112794206 A CN 112794206A CN 202011562781 A CN202011562781 A CN 202011562781A CN 112794206 A CN112794206 A CN 112794206A
- Authority
- CN
- China
- Prior art keywords
- assembly
- plate
- frame
- cylinder
- backing plate
- 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
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 229920002635 polyurethane Polymers 0.000 claims description 6
- 239000004814 polyurethane Substances 0.000 claims description 6
- 238000003825 pressing Methods 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010063659 Aversion Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/02—Trolleys or crabs, e.g. operating above runways with operating gear or operator's cabin suspended, or laterally offset, from runway or track
- B66C11/04—Underhung trolleys
-
- 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
- B65G57/00—Stacking of articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
- B66C1/22—Rigid members, e.g. L-shaped members, with parts engaging the under surface of the loads; Crane hooks
- B66C1/28—Duplicate, e.g. pivoted, members engaging the loads from two sides
- B66C1/30—Duplicate, e.g. pivoted, members engaging the loads from two sides and also arranged to grip the sides of the loads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C11/00—Trolleys or crabs, e.g. operating above runways
- B66C11/16—Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C13/00—Other constructional features or details
- B66C13/04—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack
- B66C13/08—Auxiliary devices for controlling movements of suspended loads, or preventing cable slack for depositing loads in desired attitudes or positions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/02—Travelling gear incorporated in or fitted to trolleys or cranes for underhung trolleys or cranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C9/00—Travelling gear incorporated in or fitted to trolleys or cranes
- B66C9/08—Runners; Runner bearings
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- De-Stacking Of Articles (AREA)
Abstract
The invention relates to a base plate feeding device which comprises a rack assembly (1), a walking frame assembly (2), a plate grabbing mechanism (3), a driving shaft assembly (4) and a driven shaft assembly (5); the plate grabbing mechanism (3) is connected with the traveling frame assembly (2), and the driving shaft assembly (4) and the driven shaft assembly (5) give power for traveling of the traveling frame assembly (2) through chain sprockets. The upper backing plate equipment improves the automation degree of a production line, ensures the stability and reliability of the process of loading the backing plate and reduces the labor cost. Replace the mode that traditional sucking disc placed the backing plate, solved traditional automatic backing plate and adopted the sucking disc to absorb the backing plate more, when the backing plate surface is uneven or there is the burr, the sucking disc gas leakage, suction is not enough, causes the backing plate easily and inhales not to get up or the potential safety hazard that drops and bring midway when shifting.
Description
Technical Field
The invention belongs to the technical field of material production and transportation, and relates to a base plate feeding device applied to an artificial board production line.
Background
On the automatic production line of artificial boards, the artificial boards need to be stacked into stacks when being produced. When a stack of plates is stacked together, indentation can appear in the first plate in bottom and the contact of pile board platform, influences the plate quality. Therefore, when the artificial boards are stacked, a backing plate is usually required to be placed in advance below the first bottom plate for protection.
If the backing plate is placed through the manual work, can reduce production line efficiency, increase workman's intensity of labour, increase the cost of labor. Traditional automatic backing plate of going up adopts the sucking disc to absorb the backing plate after place the backing plate and change the aversion, but when the backing plate surface is uneven or have the burr, the sucking disc gas leakage, suction is not enough, causes the backing plate easily and inhales not to get up or drops midway when shifting, has the potential safety hazard, and the mode reliability that adopts the sucking disc to absorb the backing plate is relatively poor.
Disclosure of Invention
The present invention is to solve the above problems and to provide a backing plate apparatus with high reliability.
In order to achieve the purpose, the invention provides a base plate feeding device which comprises a rack assembly, a walking frame assembly, a plate grabbing mechanism, a driving shaft assembly and a driven shaft assembly;
the plate grabbing mechanism is connected with the walking frame assembly, and the driving shaft assembly and the driven shaft assembly provide power for the walking frame assembly to walk through the chain and the chain wheel.
According to one aspect of the invention, the frame assembly is adapted to include a cross member, a support bracket, a bent plate, a drag chain slot, a chain cage, and a striker.
According to one aspect of the invention, the walking frame assembly comprises a frame, a belt wheel, a walking wheel, a guide frame, a hoisting device, a lifting belt and a tightening shaft, wherein the belt wheel, the walking wheel, the guide frame, the hoisting device, the lifting belt and the tightening shaft are arranged on the frame;
the walking frame assembly is connected with the plate grabbing mechanism through a lifting belt;
the walking wheel and the guide wheel walk in the bent plate, and the tightening shaft is connected with the driving shaft assembly through a chain.
According to one aspect of the invention, the hoisting device comprises a gear motor, a universal coupling, a coupling flange, a shaft and a belt flange;
the lifting device provides power for the lifting and descending of the plate grabbing mechanism.
According to one aspect of the invention, the grabbing plate mechanism comprises a frame, a driving device, a guide block, a first pinch roller assembly, a second pinch roller assembly, a tilting cylinder assembly, a grabbing plate assembly, a balancing cylinder assembly and a motor assembly, wherein the driving device is installed on the frame;
the driving device, the inclined cylinder assembly, the balance cylinder assembly and the grabbing plate assembly move one by one and are used for grabbing the base plate.
According to one aspect of the invention, the drive means comprises a timing pulley, a belt bearing, a gear, a drive shaft and a locking ring;
the gear is matched with a rack on the inclined cylinder assembly to drive the inclined cylinder assembly to move.
According to one aspect of the invention, the tilt cylinder assembly comprises a guide rail, a cylinder, a rack bracket and a push plate; the rack bracket is matched with a gear of the driving device, the air cylinder is connected with the push plate, and the push plate is used for pushing the left end of the cushion plate.
According to one aspect of the invention, the gripper plate assembly comprises a second cylinder, a second push plate and a second guide rail;
and the second cylinder is connected with the second push plate and used for pushing the right end of the base plate.
According to one aspect of the invention, the balancing cylinder assembly comprises a third cylinder, a channel steel and a bolt;
the multiple groups of balance cylinder assemblies cooperate to adjust the inclination angle of the plate grabbing mechanism;
the first pinch roller assembly comprises a guide driver, a wheel frame and a polyurethane wheel;
the first pressing wheel assembly is used for pressing the base plate;
according to one aspect of the present invention, the second puck assembly includes a frame, a wheel carriage, an adjustment plate, and a polyurethane wheel.
According to one aspect of the invention, the drive shaft assembly includes a drive shaft, a pedestal bearing, a reduction motor, and a sprocket;
the driving shaft assembly is connected with the walking frame assembly through a chain to provide walking power for the walking frame;
the driven shaft assembly comprises a driven shaft, a second belt seat bearing and a second chain wheel.
The upper backing plate equipment improves the automation degree of a production line, ensures the stability and reliability of the process of loading the backing plate and reduces the labor cost. Replace the mode that traditional sucking disc placed the backing plate, solved traditional automatic backing plate and adopted the sucking disc to absorb the backing plate more, when the backing plate surface is uneven or there is the burr, the sucking disc gas leakage, suction is not enough, causes the backing plate easily and inhales not to get up or the potential safety hazard that drops and bring midway when shifting.
Drawings
Fig. 1 is a schematic view showing the construction of an upper mat device according to the present invention;
fig. 2 schematically shows a perspective view of an upper mat device according to the present invention;
FIG. 3 schematically illustrates a block diagram of a rack assembly according to the present invention;
FIG. 4 is a schematic representation of a block diagram of a walking frame assembly according to the present invention;
fig. 5 shows schematically a construction of a lifting device according to the invention;
FIG. 6 schematically shows a first block diagram of a grab plate mechanism according to the invention;
FIG. 7 schematically illustrates a second configuration of a gripper mechanism according to the invention;
fig. 8 is a schematic representation of a construction of a drive device according to the invention;
FIG. 9 is a schematic representation of a construction of a tilt cylinder assembly according to the present invention;
FIG. 10 schematically illustrates a block diagram of a gripper assembly according to the present invention;
FIG. 11 is a schematic representation of a block diagram of a balancing cylinder assembly according to the present invention;
FIG. 12 is a schematic representation of a block diagram of a first puck assembly in accordance with the present invention;
FIG. 13 is a schematic representation of a block diagram of a second puck assembly in accordance with the present invention;
FIG. 14 is a schematic representation of a construction of a drive axle assembly in accordance with the present invention;
figure 15 schematically shows a block diagram of a driven shaft assembly according to the invention.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
In describing embodiments of the present invention, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship that is based on the orientation or positional relationship shown in the associated drawings, which is for convenience and simplicity of description only, and does not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, the above-described terms should not be construed as limiting the present invention.
The present invention is described in detail below with reference to the drawings and the specific embodiments, which are not repeated herein, but the embodiments of the present invention are not limited to the following embodiments.
Referring to fig. 1 and 2, the present invention provides a tie plate apparatus, which includes a frame assembly 1, a walking frame assembly 2, a plate grasping mechanism 3, a driving shaft assembly 4 and a driven shaft assembly 5; the plate grabbing mechanism 3 is connected with the traveling frame assembly 2, and the driving shaft assembly 4 and the driven shaft assembly 5 give power for the traveling of the traveling frame assembly 2 through chain sprockets.
The upper backing plate equipment improves the automation degree of a production line, ensures the stability and reliability of the process of loading the backing plate and reduces the labor cost. Replace the mode that traditional sucking disc placed the backing plate, solved traditional automatic backing plate and adopted the sucking disc to absorb the backing plate more, when the backing plate surface is uneven or there is the burr, the sucking disc gas leakage, suction is not enough, causes the backing plate easily and inhales not to get up or the potential safety hazard that drops and bring midway when shifting.
The respective components of the upper mat device of the present invention will be described in detail below. As shown in fig. 3, the frame assembly 1 includes a beam 11, a support frame 12, a bent plate 13, a drag chain slot 14, a chain cage 15, and a striker 16. As shown in fig. 4, the walking frame assembly 2 includes a frame 21, a pulley 22 mounted on the frame 21, a walking wheel 23, a guide pulley 24, a guide frame 25, a lifting device 26, a lifting belt 27, and a takeup shaft 28. The traveling frame assembly 2 is connected with the plate grabbing mechanism 3 through a lifting belt 27, the traveling wheels 23 and the guide wheels 24 travel in the bent plate 13, and the tightening shaft 28 is connected with the driving shaft assembly 4 through a chain.
As shown in fig. 5, the lifting device 26 includes a reduction motor 261, a universal joint 262, a joint flange 263, a shaft 264, and a belt flange 265; the lifting device 26 provides power for the lifting and descending of the plate grabbing mechanism 3.
As shown in fig. 6 and 7, the plate-grasping mechanism 3 includes a frame 31, a driving device 32 mounted on the frame 31, a guide block 33, a first pinch roller assembly 34, a second pinch roller assembly 35, a tilt cylinder assembly 36, a plate-grasping assembly 37, a balance cylinder assembly 38, and a motor assembly 39. The drive 32, the tilt cylinder assembly 36, the balance cylinder assembly 38, and the grab plate assembly 37 move one by one for grabbing the tie plate.
As shown in fig. 8, the driving device 32 includes a timing pulley 321, a belt bearing 322, a gear 323, a driving shaft 324, and a locking ring 325; the gear 323 cooperates with a gear rack on the tilt cylinder assembly 36 to drive the motion of the tilt cylinder assembly 36.
As shown in fig. 9, tilt cylinder assembly 36 includes a guide rail 361, a cylinder 362, a rack bracket 363, and a push plate 364; the rack bracket 363 is engaged with the gear 323 of the driving device 32, and the air cylinder 362 is connected with a push plate 364, and the push plate 364 is used to push the left end of the pad.
As shown in fig. 10, the grasping plate assembly 37 includes a second cylinder 371, a second pushing plate 372, and a second guide rail 373; the second cylinder 371 is connected with the second push plate 372 and used for pushing the right end of the backing plate.
As shown in fig. 11-13, the balancing cylinder assembly 38 includes a third cylinder 381, a channel 382, and a bolt 383. The multiple groups of balance cylinder assemblies 38 cooperate to adjust the inclination angle of the plate grabbing mechanism 3; the first pinch roller assembly 34 comprises a guide driver 341, a wheel frame 342 and a polyurethane wheel; the first pinch roller assembly 34 is used for pressing a backing plate; second pinch roller assembly 35 includes a bracket 351, a wheel frame 352, an adjustment plate 353, and a polyurethane wheel.
As shown in fig. 14-15, the drive shaft assembly 4 of the present invention includes a drive shaft 41, a pedestal bearing 42, a reduction motor 43, and a sprocket 44. The driving shaft assembly 4 is connected with the walking frame assembly 2 through a chain 44 to provide power for walking of the walking frame. The driven shaft assembly 5 includes a driven shaft 51, a second belt bearing 52, and a second sprocket 53.
The above description is only one embodiment of the present invention, and is not intended to limit the present invention, and it is apparent to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The upper base plate equipment is characterized by comprising a rack assembly (1), a walking frame assembly (2), a plate grabbing mechanism (3), a driving shaft assembly (4) and a driven shaft assembly (5);
the plate grabbing mechanism (3) is connected with the traveling frame assembly (2), and the driving shaft assembly (4) and the driven shaft assembly (5) give power for traveling of the traveling frame assembly (2) through chain sprockets.
2. Upper mat device according to claim 1, characterized in that the frame assembly (1) comprises a cross beam (11), a support frame (12), a bent plate (13), a towline slot (14), a chain cage (15) and a striker (16).
3. Upper mat device according to claim 2, characterized in that the walking frame assembly (2) comprises a frame (21), a pulley (22) mounted on the frame (21), a walking wheel (23), a guide wheel (24), a guide frame (25), a lifting device (26), a lifting belt (27) and a tightening shaft (28);
the walking frame assembly (2) is connected with the plate grabbing mechanism (3) through a lifting belt (27);
the walking wheels (23) and the guide wheels (24) walk in the bent plate (13), and the tightening shaft (28) is connected with the driving shaft assembly (4) through a chain.
4. Upper mat device according to claim 3, characterized in that the hoisting means (26) comprise a gear motor (261), a universal joint (262), a joint flange (263), a shaft (264) and a belt flange (265);
the lifting device (26) provides power for the lifting and descending of the plate grabbing mechanism (3).
5. The upper bolster apparatus of claim 1 or 4, characterized in that the gripper mechanism (3) comprises a frame (31), a drive device (32) mounted on the frame (31), a guide block (33), a first pinch roller assembly (34), a second pinch roller assembly (35), a tilting cylinder assembly (36), a gripper plate assembly (37), a balancing cylinder assembly (38) and a motor assembly (39);
the driving device (32), the inclined cylinder assembly (36), the balance cylinder assembly (38) and the grabbing plate assembly (37) move one by one to grab the base plate.
6. Upper padding plate apparatus according to claim 5, wherein said driving means (32) comprises a timing pulley (321), a belt bearing (322), a gear (323), a driving shaft (324) and a locking ring (325);
the gear (323) is matched with a rack on the tilting cylinder assembly (36) to drive the tilting cylinder assembly (36) to move.
7. The dunnage apparatus of claim 6, wherein the tilt cylinder assembly (36) includes a guide rail (361), a cylinder (362), a rack bracket (363), and a push plate (364); the rack bracket (363) is matched with a gear (323) of the driving device (32), the air cylinder (362) is connected with a push plate (364), and the push plate (364) is used for pushing the left end of the cushion plate.
8. The upper bolster apparatus of claim 7, characterized in that the gripper plate assembly (37) comprises a second cylinder (371), a second push plate (372), and a second guide rail (373);
and the second cylinder (371) is connected with the second push plate (372) and used for pushing the right end of the backing plate.
9. The upper bolster apparatus of claim 5, characterized in that the balancing cylinder assembly (38) comprises a third cylinder (381), a channel steel (382), and a bolt (383);
the multiple groups of balance cylinder assemblies (38) cooperate to adjust the inclination angle of the plate grabbing mechanism (3);
the first pinch roller assembly (34) comprises a guide driver (341), a wheel frame (342) and a polyurethane wheel; the first pinch roller assembly (34) is used for pressing the backing plate;
the second pinch roller assembly (35) comprises a support (351), a wheel frame (352), an adjusting plate (353) and a polyurethane wheel.
10. The upper bolster apparatus of claim 5, characterized in that the drive shaft assembly (4) comprises a drive shaft (41), a pedestal bearing (42), a reduction motor (43) and a sprocket (44);
the driving shaft assembly (4) is connected with the walking frame assembly (2) through a chain (44) to provide power for walking of the walking frame;
the driven shaft assembly (5) comprises a driven shaft (51), a second belt seat bearing (52) and a second chain wheel (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562781.5A CN112794206A (en) | 2020-12-25 | 2020-12-25 | Backing plate feeding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011562781.5A CN112794206A (en) | 2020-12-25 | 2020-12-25 | Backing plate feeding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112794206A true CN112794206A (en) | 2021-05-14 |
Family
ID=75804773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011562781.5A Pending CN112794206A (en) | 2020-12-25 | 2020-12-25 | Backing plate feeding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112794206A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219370A1 (en) * | 1992-06-13 | 1993-12-16 | Krupp Industrietech | Lifting device for loads |
| CN202296856U (en) * | 2011-08-18 | 2012-07-04 | 天津起重设备有限公司 | Chain transmission crane for special safe place |
| CN203545497U (en) * | 2013-09-09 | 2014-04-16 | 天津市福臻机电工程有限公司 | Horizontal travelling trolley device |
| CN110589501A (en) * | 2019-09-18 | 2019-12-20 | 苏州精濑光电有限公司 | Automatic stacking equipment |
| CN111186773A (en) * | 2020-02-12 | 2020-05-22 | 北京智创赋能技术开发中心(有限合伙) | Automatic hoisting device for secondary maintenance of sleeper and control method thereof |
-
2020
- 2020-12-25 CN CN202011562781.5A patent/CN112794206A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4219370A1 (en) * | 1992-06-13 | 1993-12-16 | Krupp Industrietech | Lifting device for loads |
| CN202296856U (en) * | 2011-08-18 | 2012-07-04 | 天津起重设备有限公司 | Chain transmission crane for special safe place |
| CN203545497U (en) * | 2013-09-09 | 2014-04-16 | 天津市福臻机电工程有限公司 | Horizontal travelling trolley device |
| CN110589501A (en) * | 2019-09-18 | 2019-12-20 | 苏州精濑光电有限公司 | Automatic stacking equipment |
| CN111186773A (en) * | 2020-02-12 | 2020-05-22 | 北京智创赋能技术开发中心(有限合伙) | Automatic hoisting device for secondary maintenance of sleeper and control method thereof |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210514 |
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| RJ01 | Rejection of invention patent application after publication |