CN113306200A - Base paper punching mechanism for cup undercut knife line action - Google Patents
Base paper punching mechanism for cup undercut knife line action Download PDFInfo
- Publication number
- CN113306200A CN113306200A CN202110656159.9A CN202110656159A CN113306200A CN 113306200 A CN113306200 A CN 113306200A CN 202110656159 A CN202110656159 A CN 202110656159A CN 113306200 A CN113306200 A CN 113306200A
- Authority
- CN
- China
- Prior art keywords
- punching
- guide
- connecting rod
- knife
- hole
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/14—Cutting, e.g. perforating, punching, slitting or trimming
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The invention discloses a bottom paper punching mechanism for a cup undercut knife line effect in the field of cup bottom paper punching, which comprises a punching connecting rod and a punching connecting rod seat, wherein the punching connecting rod seat is arranged above the punching connecting rod, the punching connecting rod is rotationally connected with the punching connecting rod seat through a pin shaft, a guide base plate is arranged above the punching connecting rod seat, punching guide rods are arranged on two sides above the guide base plate, a guide top base plate is arranged at the top ends of the punching guide rods, and a guide base is arranged on the periphery of the punching guide rods. The punching connecting rod seat can be pushed by the punching connecting rod to do up-and-down reciprocating motion with a certain stroke, the punching lower plate, the punching upper plate and the punching guide post are pushed to do up-and-down reciprocating motion along with the punching connecting rod seat, when the bottom paper stops on the punching bottom plate intermittently, the punching cutter moves to the lowest point of the stroke, and holes are punched on the bottom paper, so that the trouble of processing on another machine is eliminated, the process flow is more trouble-free, and the efficiency is improved.
Description
Technical Field
The invention relates to the field of punching processing of cup bottom paper, in particular to a bottom paper punching mechanism for a cup bottom cutter line effect.
Background
When the bottom of cup cutter line is processed, need again process on another machine, increased process flow, lead to the efficiency of processing that punches a hole to reduce, the sword that punches a hole most all fixed connection simultaneously, the installation is comparatively inconvenient with the dismantlement, and the change efficiency is lower. Accordingly, those skilled in the art have provided a liner punching mechanism for cup undercut knife line action to solve the problems set forth in the background art described above.
Disclosure of Invention
It is an object of the present invention to provide a base paper punching mechanism for cup undercut knife line action that solves the problems set forth in the background above.
In order to achieve the purpose, the invention provides the following technical scheme:
a bottom paper punching mechanism for a cup undercut knife line effect comprises a punching connecting rod and a punching connecting rod seat, wherein the punching connecting rod seat is arranged above the punching connecting rod, the punching connecting rod is rotationally connected with the punching connecting rod seat through a pin shaft, a guide base plate is arranged above the punching connecting rod seat, punching guide rods are arranged on two sides above the guide base plate, a guide top base plate is arranged at the top end of each punching guide rod, a guide base is arranged on the periphery of each punching guide rod, a guide rod sleeve in sliding connection with each punching guide rod is arranged in an inner hole of the guide base, a fixing hole connected with a punching support is integrally formed in one side wall of the guide base, the punching connecting rod is connected with external power equipment, can drive the punching connecting rod seat to move up and down, provides power for a punching process, and the punching guide rods are matched with the guide rod sleeves, provides a guide for the height adjustment of the punched hole.
As a further scheme of the invention: the guide base plate with the guide arm that punches a hole passes through threaded connection after, the rethread nut carries out the crimping, the guide arm that punches a hole with the direction ejector plate passes through the screw connection, direction ejector plate top is rotated and is connected with the altitude mixture control pole.
As a further scheme of the invention: the utility model discloses a punching assembly, including altitude mixture control pole, altitude mixture control pole top, altitude mixture control pole periphery are located altitude mixture control pole below has lock nut through threaded connection, can through along the altitude mixture control piece rotates altitude mixture control pole, under the screw thread transmission, the realization is right the height of the subassembly that punches a hole of altitude mixture control block top is adjusted, then passes through lock nut will the altitude mixture control pole is fixed inside the altitude mixture control block.
As a further scheme of the invention: the punching knife comprises a height adjusting block, a punching lower plate and punching guide columns, wherein the punching lower plate is fixedly connected above the height adjusting block, the punching guide columns are fixedly connected to two sides above the punching lower plate, the punching upper plate is fixedly connected to the top ends of the punching guide columns, and the punching guide columns provide guidance for the up-and-down punching motion of the punching knife.
As a further scheme of the invention: the punching tool is characterized in that a punching tool apron is fixedly arranged below the punching upper plate, and a punching tool is connected to the punching tool apron through a screw, so that the punching tool can be conveniently mounted and dismounted.
As a further scheme of the invention: the punching device is characterized in that a guide post sleeve is connected to the periphery of the punching guide post in a sliding mode, a punching bottom plate is arranged on the periphery of the guide post sleeve and fixedly connected with an external punching support, and the guide post sleeve is matched with the punching guide post.
As a further scheme of the invention: the punching bottom plate is connected with the guide post sleeve through screws, and the bottom paper is placed above the punching bottom plate and can be circularly punched through the up-and-down reciprocating motion of the punching knife.
As a further scheme of the invention: the punching guide post, the punching guide rod, the guide post sleeve and the guide rod sleeve are all made of carbon steel which is subjected to modulation processing, so that the service life of the guide assembly can be prolonged.
As a further scheme of the invention: punch a hole the blade holder include the crimping backup pad, fix bracing piece, setting that crimping backup pad below four corners department is in the spliced pole of crimping backup pad below both sides, setting are in the blade holder board of spliced pole below, setting are in the spliced pole top with lock solid screw between the crimping backup pad is in with the top tight screw that sets up at crimping backup pad middle part, top tight screw with the crimping backup pad passes through threaded connection, the spliced pole with the crimping backup pad passes through lock solid screw fixed connection, the spliced pole with the blade holder board passes through screwed connection.
As a further scheme of the invention: the punching cutter comprises a punching cutter body and a cutter head arranged below the punching cutter body, the punching cutter body is fixedly welded with the cutter head, the punching cutter passes through the jacking screw to be fixed on the cutter seat plate, the punching cutter is fixed on the cutter seat plate through adopting the jacking screw to press the punching cutter, the punching cutter can be conveniently detached and installed, and then the punching cutter can be conveniently replaced, and the punching cutter is extremely practical.
Compared with the prior art, the invention has the beneficial effects that:
1. the punching connecting rod seat can be pushed by the punching connecting rod to do up-and-down reciprocating motion with a certain stroke, the punching lower plate, the punching upper plate and the punching guide pillar are pushed to do up-and-down reciprocating motion along with the punching connecting rod seat, when the bottom paper stops on the punching bottom plate intermittently, the punching cutter moves to the lowest point of the stroke and punches a hole on the bottom paper, the trouble of processing on another machine is omitted, the trouble of the process flow is saved, and the efficiency is improved;
2. the punching cutter is fixed on the cutter seat plate in a compression joint mode through the jacking screws, so that the punching cutter can be conveniently detached and installed, the punching cutter can be conveniently replaced, and the punching cutter is extremely practical.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a punch line portion of a base paper in accordance with the present invention;
FIG. 3 is a view showing the structure of the punching line of the base paper in the present invention;
FIG. 4 is an enlarged view of a portion of the locking nut of FIG. 1 in accordance with the present invention;
FIG. 5 is a cross-sectional view of the connecting portion of the guide post sleeve, the punching guide post and the punching base plate in the present invention;
FIG. 6 is a cross-sectional view of a punch holder portion of the present invention.
In the figure: 1. punching a connecting rod; 2. a punching connecting rod seat; 3. punching a guide rod; 4. a guide base; 5. a height adjustment lever; 6. a height adjusting block; 7. punching a lower plate; 8. punching a guide pillar; 9. punching a bottom plate; 10. punching an upper plate; 11. punching a hole cutter; 1101. punching a cutter body; 1102. a cutter head; 12. a guide post sleeve; 13. a guide rod sleeve; 14. locking the nut; 15. punching a cutter line; 16. a punching tool apron; 1601. a support bar; 1602. crimping the supporting plate; 1603. locking screws; 1604. jacking the screw tightly; 1605. connecting columns; 1606. a knife seat plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 6, in an embodiment of the present invention, a base paper punching mechanism for a cup undercutting knife line includes a punching link 1 and a punching link seat 2, the punching link 1 is provided with the punching link seat 2, the punching link 1 is rotatably connected to the punching link seat 2 by a pin, a guide base plate is provided above the punching link seat 2, punching guide rods 3 are provided on both sides above the guide base plate, a guide top seat plate is provided on the top ends of the punching guide rods 3, a guide base 4 is provided on the periphery of the punching guide rods 3, a guide rod sleeve 13 slidably connected to the punching guide rods 3 is provided on the inner hole of the guide base 4, a fixing hole connected to a punching support is integrally formed on one side wall of the guide base 4, the punching link 1 is connected to external power equipment to drive the punching link seat 2 to move up and down to provide power for a punching process, and the punching guide rods 3 are matched with the guide rod sleeve 13, provides a guide for the height adjustment of the punched hole.
Wherein, after the guide base plate is connected with the punching guide rod 3 through screw thread, the punching guide rod 3 is connected with the guide top seat plate through screw, a height adjusting rod 5 is rotatably connected above the guide top seat plate, a height adjusting block 6 is arranged above the height adjusting rod 5, the height adjusting block 6 is connected with the height adjusting rod 5 through screw thread, a locking nut 14 is connected below the height adjusting block 6 at the periphery of the height adjusting rod 5 through screw thread, the height of the punching component above the height adjusting block 6 can be adjusted through rotating the height adjusting rod 5 along the height adjusting block 6 under the screw thread transmission, then the height adjusting rod 5 is fixed inside the height adjusting block 6 through the locking nut 14, a punching lower plate 7 is fixedly connected above the height adjusting block 6, and both sides above the punching lower plate 7 are fixedly connected with punching guide pillars 8, the top end of the punching guide pillar 8 is fixedly connected with a punching upper plate 10, and the punching guide pillar 8 provides guidance for the up-and-down punching motion of the punching knife 11.
Wherein, punch a hole blade holder 16 of upper plate 10 below fixed mounting, there is punching cutter 11 through screwed connection on the blade holder 16 of punching a hole, can make things convenient for installation and the dismantlement operation to punching cutter 11, the peripheral sliding connection of guide pillar 8 that punches a hole has guide post cover 12, guide post cover 12 periphery is provided with bottom plate 9 that punches a hole, bottom plate 9 and outside support fixed connection that punches a hole, guide post cover 12 and the cooperation of the guide pillar 8 that punches a hole, bottom plate 9 and guide post cover 12 that punches a hole pass through screwed connection, the bottom paper has been placed to bottom plate 9 top that punches a hole, can be through the up-and-down reciprocating motion of punching cutter 11, the operation of punching a hole of circulating is carried out to the bottom paper of intermittent type removal, the guide pillar 8 that punches a hole, punch a hole guide arm 3, guide post cover 12 and guide arm cover 13 are the carbon steel through modulation processing, can improve the life of direction subassembly.
The punching knife 11 seat comprises a crimping support plate 1602, support rods 1601 fixed at four corners below the crimping support plate 1602, connecting posts 1605 arranged on two sides below the crimping support plate 1602, a knife rest plate 1606 arranged below the connecting posts 1605, locking screws 1603 arranged between the top ends of the connecting posts 1605 and the crimping support plate 1602 and jacking screws 1604 arranged in the middle of the crimping support plate 1602, wherein the jacking screws 1604 are in threaded connection with the crimping support plate 1602, the connecting posts 1605 and the crimping support plate 1602 are fixedly connected through the locking screws 1603, and the connecting posts 1605 and the knife rest plate 1606 are in threaded connection.
Wherein, as the further scheme of the invention: punching knife 11 is including punching knife body 1101) and the tool bit 1102 of setting in punching knife body 1101) below, punching knife body 1101) and tool bit 1102 welded fastening, punching knife 11 is fixed on bedplate 1606 through the crimping of top tighten screw 1604, fixes punching knife 11 on bedplate 1606 through adopting top tighten screw 1604 to crimp, can make things convenient for the dismantlement and the installation to punching knife 11, and then can be convenient for to punching knife 11's change, and is extremely practical.
The working principle of the invention is as follows: the punching connecting rod 1 is connected with an external power device, the punching connecting rod seat 2 can be pushed by the punching connecting rod 1 to do up-and-down reciprocating motion with a certain stroke, the height of a punching assembly above the height adjusting block 6 can be adjusted under the screw transmission by rotating the height adjusting rod 5 along the height adjusting block 6, then the height adjusting rod 5 is fixed inside the height adjusting block 6 through the locking nut 14, the punching lower plate 7, the punching upper plate 10 and the punching guide post 8 reciprocate up and down, when the bottom paper stops on the punching bottom plate 9 intermittently, the punching knife 11 moves to the lowest point of the stroke and punches a hole on the bottom paper, the trouble of processing on another machine is omitted, the process flow is more trouble-saving, the efficiency is improved, the punching knife 11 is fixed on the knife seat plate 1606 by pressing and connecting the punching knife 11 through the jacking screw 1604, the dismounting and the mounting of the punching knife 11 can be convenient, and then the punching knife 11 can be conveniently replaced, and the device is extremely practical.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A base stock mechanism of punching a hole for cup undercut knife-line effect, including punching a hole connecting rod (1) and punching a hole connecting rod seat (2), its characterized in that: punching a hole connecting rod (1) top is provided with punching a hole connecting rod seat (2), punching a hole connecting rod (1) with punching a hole connecting rod seat (2) rotate through the round pin axle and connect, punching a hole connecting rod seat (2) top is provided with the guide bed plate, guide bed plate top both sides all are provided with guide arm (3) that punch a hole, guide arm (3) top of punching a hole is provided with the direction bedplate, guide arm (3) periphery that punches a hole is provided with guide base (4), be provided with on guide base (4) hole with guide arm (3) sliding connection's guide bar cover (13) punches a hole, integrated into one piece has the fixed orifices with the leg joint that punches a hole on guide base (4) a lateral wall.
2. The liner punching mechanism for cup undercut knife line action of claim 1, wherein: the guide base plate with punch a hole guide arm (3) pass through threaded connection after, the crimping is carried out to rethread nut, punch a hole guide arm (3) with the direction bedplate passes through the screw connection, direction bedplate top is rotated and is connected with altitude mixture control pole (5).
3. The liner punching mechanism for cup undercut knife line action of claim 2, wherein: height-adjusting pole (5) top is provided with altitude mixture control piece (6), altitude mixture control piece (6) with altitude mixture control pole (5) are through threaded connection, altitude mixture control pole (5) periphery is located there is lock nut (14) through threaded connection below altitude mixture control piece (6).
4. The liner punching mechanism for cup undercut knife line action of claim 3, wherein: the punching machine is characterized in that a punching lower plate (7) is fixedly connected to the upper portion of the height adjusting block (6), punching guide pillars (8) are fixedly connected to two sides of the upper portion of the punching lower plate (7), and a punching upper plate (10) is fixedly connected to the top ends of the punching guide pillars (8).
5. The liner punching mechanism for cup undercut knife line action of claim 4, wherein: a punching tool holder (16) is fixedly mounted below the punching upper plate (10), and a punching tool (11) is connected to the punching tool holder (16) through screws.
6. The liner punching mechanism for cup undercut knife line action of claim 5, wherein: the periphery of the punching guide post (8) is connected with a guide post sleeve (12) in a sliding mode, a punching bottom plate (9) is arranged on the periphery of the guide post sleeve (12), and the punching bottom plate (9) is fixedly connected with an external punching support.
7. The liner punching mechanism for cup undercut knife line action of claim 6, wherein: the punching bottom plate (9) is connected with the guide column sleeve (12) through screws, and bottom paper is placed above the punching bottom plate (9).
8. The liner punching mechanism for cup undercut knife line action of claim 6, wherein: the punching guide post (8), the punching guide rod (3), the guide post sleeve (12) and the guide rod sleeve (13) are all made of carbon steel after modulation treatment.
9. The liner punching mechanism for cup undercut knife line action of claim 6, wherein: punching hole sword (11) seat includes crimping backup pad (1602), fixes bracing piece (1601) of crimping backup pad (1602) below four corners department, setting are in spliced pole (1605), the setting of crimping backup pad (1602) below both sides are in knife seat board (1606) of spliced pole (1605) below, setting are in spliced pole (1605) top with lock screw (1603) between crimping backup pad (1602) and setting are in top tight screw (1604) at crimping backup pad (1602) middle part, top tight screw (1604) with crimping backup pad (1602) pass through threaded connection, spliced pole (1605) with crimping backup pad (1602) pass through lock screw (1603) fixed connection, spliced pole (1605) with knife seat board (1606) pass through screwed connection.
10. The liner punching mechanism for cup undercut knife line action of claim 9, wherein: the punching knife (11) comprises a punching knife body (1101) and a knife head (1102) arranged below the punching knife body (1101), the punching knife body (1101) and the knife head (1102) are fixedly welded, and the punching knife (11) is fixed on the knife seat plate (1606) in a compression joint mode through the jacking screw (1604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656159.9A CN113306200A (en) | 2021-06-11 | 2021-06-11 | Base paper punching mechanism for cup undercut knife line action |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110656159.9A CN113306200A (en) | 2021-06-11 | 2021-06-11 | Base paper punching mechanism for cup undercut knife line action |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113306200A true CN113306200A (en) | 2021-08-27 |
Family
ID=77378680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110656159.9A Pending CN113306200A (en) | 2021-06-11 | 2021-06-11 | Base paper punching mechanism for cup undercut knife line action |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113306200A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070058718A (en) * | 2005-12-05 | 2007-06-11 | (주)피스코엔지니어링 | Punch press for internal pressure measurement |
| CN105149413A (en) * | 2015-08-21 | 2015-12-16 | 哈尔滨建成集团有限公司 | Three-face-blade type double-sided shearing die for channel steel cutoff |
| CN207806406U (en) * | 2018-02-02 | 2018-09-04 | 苏州市泰源精密铸造有限公司 | A kind of radiator case diel |
| CN207972053U (en) * | 2018-03-30 | 2018-10-16 | 四川世大塑化有限公司 | A kind of biodegradable plastics bag punching machine |
| CN209061971U (en) * | 2018-11-16 | 2019-07-05 | 滁州市艾帝而机械设备有限公司 | A kind of base plate of air conditioner trimming-punching die |
| CN209095734U (en) * | 2018-09-26 | 2019-07-12 | 深圳市鑫天成环保包装技术有限公司 | A kind of cardboard hole punched device |
| CN112371832A (en) * | 2020-10-29 | 2021-02-19 | 株洲华信精密工业股份有限公司 | Continuous punching device for producing mechanical parts |
| CN212822097U (en) * | 2020-07-07 | 2021-03-30 | 佛山市巴特机械科技有限公司 | High-speed punching machine for corner lines |
-
2021
- 2021-06-11 CN CN202110656159.9A patent/CN113306200A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070058718A (en) * | 2005-12-05 | 2007-06-11 | (주)피스코엔지니어링 | Punch press for internal pressure measurement |
| CN105149413A (en) * | 2015-08-21 | 2015-12-16 | 哈尔滨建成集团有限公司 | Three-face-blade type double-sided shearing die for channel steel cutoff |
| CN207806406U (en) * | 2018-02-02 | 2018-09-04 | 苏州市泰源精密铸造有限公司 | A kind of radiator case diel |
| CN207972053U (en) * | 2018-03-30 | 2018-10-16 | 四川世大塑化有限公司 | A kind of biodegradable plastics bag punching machine |
| CN209095734U (en) * | 2018-09-26 | 2019-07-12 | 深圳市鑫天成环保包装技术有限公司 | A kind of cardboard hole punched device |
| CN209061971U (en) * | 2018-11-16 | 2019-07-05 | 滁州市艾帝而机械设备有限公司 | A kind of base plate of air conditioner trimming-punching die |
| CN212822097U (en) * | 2020-07-07 | 2021-03-30 | 佛山市巴特机械科技有限公司 | High-speed punching machine for corner lines |
| CN112371832A (en) * | 2020-10-29 | 2021-02-19 | 株洲华信精密工业股份有限公司 | Continuous punching device for producing mechanical parts |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202270820U (en) | Die for mounting bracket on SUV brake pedal | |
| CN111250595B (en) | Porous stamping die | |
| CN113306200A (en) | Base paper punching mechanism for cup undercut knife line action | |
| CN208743478U (en) | Stablize self-replaced type punch-head assembly | |
| CN211727564U (en) | Nut punching and thread machining integrated forming device | |
| CN211662197U (en) | Perforating machine for I-shaped board of louver window | |
| CN214945569U (en) | Positioning plate with adjustable height | |
| CN214353364U (en) | Glass puncher | |
| CN209239934U (en) | A kind of forward direction press-fit diode fixture | |
| CN209349389U (en) | A kind of blanking and punching composite punching die | |
| CN215094043U (en) | Cell-phone screen cloth cutting tool is with fixed knife rest of formula of can compressing tightly | |
| CN219726535U (en) | Miniature punching mechanism | |
| CN201613303U (en) | Screw type simple blanking and piercing device | |
| CN216937971U (en) | Double-metal-plate part bending processing device | |
| CN220464203U (en) | Adjusting mechanism of wood processing perforating device | |
| CN220279858U (en) | Stamping die is used in circuit board production | |
| CN216965984U (en) | Sheet punching device | |
| CN216349861U (en) | Punching press formula breach sampling machine | |
| CN216780011U (en) | Full-automatic numerical control punching machine for machining mechanical parts | |
| CN214924989U (en) | Automatic stub bar cuts with cutting device of being convenient for change tool bit | |
| CN216989487U (en) | Stamping die structure and die stamping system | |
| CN215587675U (en) | Punching machine for machining U-shaped hardware | |
| CN220073448U (en) | Auxiliary replacement mechanism for saw blade of band sawing machine | |
| CN215614482U (en) | Automatic pressfitting housing side pushes away mould | |
| CN212551226U (en) | Window frame spout apparatus for producing |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210827 |