CN113147050A - Mask piece clamping and conveying device for mask machine - Google Patents
Mask piece clamping and conveying device for mask machine Download PDFInfo
- Publication number
- CN113147050A CN113147050A CN202110043450.9A CN202110043450A CN113147050A CN 113147050 A CN113147050 A CN 113147050A CN 202110043450 A CN202110043450 A CN 202110043450A CN 113147050 A CN113147050 A CN 113147050A
- Authority
- CN
- China
- Prior art keywords
- plate
- conveying
- mask
- rack
- driving roller
- 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
- 230000007306 turnover Effects 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 9
- 230000000903 blocking effect Effects 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 6
- 239000011521 glass Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
-
- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41H—APPLIANCES OR METHODS FOR MAKING CLOTHES, e.g. FOR DRESS-MAKING OR FOR TAILORING, NOT OTHERWISE PROVIDED FOR
- A41H43/00—Other methods, machines or appliances
- A41H43/04—Joining garment parts or blanks by gluing or welding ; Gluing presses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/48—Wearing apparel
- B29L2031/4807—Headwear
- B29L2031/4835—Masks
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The invention discloses a cover sheet clamping and conveying device for a mask machine, which comprises a rack, wherein supporting legs are arranged at the bottom of the rack, an operation opening is formed in the middle of the rack, a traveling area and a clamping and conveying area which are sequentially connected are arranged on the operation opening, a conveying mechanism is arranged at the operation opening, two ends of the rack in the traveling direction of a cover sheet are provided with protective plates, the protective plates are arranged in the traveling area, the conveying mechanism comprises a driving roller, a driven roller and a conveying chain for connecting the driving roller and the driven roller, one end of the driving roller is connected with a driving motor through a coupler, teeth inserted into the conveying chain are arranged on the driving roller and the driven roller, and a detachable conveying plate is arranged on the conveying chain. The processed mask sheets are separately conveyed through the conveying plate, so that the mask sheets are prevented from being overlapped together; when the ear belt on the mask enters the pinch zone, under the action of an inclined edge of an isosceles trapezoid on the turnover plate, the space at the upper end is reduced, the ear belt is folded, and the bonding part of the ear belt of the mask is heated and pressurized by the pressurizing plate and the heating plate, so that the ear belt is ensured to face towards the inner side of the mask.
Description
Technical Field
The invention relates to the technical field of mask production equipment, in particular to a mask sheet clamping and conveying device for a mask machine.
Background
At present, most of the masks produced in the mask manufacturing industry are produced by manual manufacturing or semi-automatic equipment, one mask can be manufactured into a finished product by three to four processes, and the process is quite complex and tedious. And the mask is manufactured by adopting simple equipment combination, so that the labor cost is high, and the production efficiency is lower. The gauze mask after production generally all carries through the conveyer belt, or the person carries out to press from both sides through the relative compression roller that sets up from top to bottom and send, and the fixed effect of the cover piece of gauze mask is not good when pressing from both sides to send, and the both ends of gauze mask are equipped with the ear area moreover, do not have corresponding device of rectifying in order, and the ear area is because the butt fusion that goes on in earlier stage is unstable, produces more wastrel in transportation process, influences even and send the effect.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a mask sheet clamping and conveying device for a mask machine.
In order to achieve the purpose of the invention, the invention adopts the technical scheme that:
a cover sheet clamping and conveying device for a mask machine comprises a rack, wherein supporting legs are arranged at the bottom of the rack, an operation opening is formed in the middle of the rack, a traveling area and a clamping and conveying area which are sequentially connected are arranged on the operation opening, a conveying mechanism is arranged at the operation opening, protective plates are arranged at two ends of the rack along the traveling direction of a cover sheet, the protective plates are arranged in the traveling area, the conveying mechanism comprises a driving roller, a driven roller and a conveying chain for connecting the driving roller and the driven roller, the driving roller and the driven roller are respectively arranged at two ends of the operation opening, a first rotating seat is arranged between the driving roller and the rack, a second rotating seat is arranged between the driven roller and the rack, one end of the driving roller is connected with a driving motor through a coupler, teeth which are inserted into the conveying chain are arranged on the driving roller and the driven roller, and a detachable conveying plate is arranged on the conveying chain, the conveying plate comprises a fixed section and a blocking section, the fixed section is connected with the conveying chain through a bolt, the blocking section is perpendicular to the fixed section, the conveying plate is of an L-shaped structure, one end of the protection plate along the traveling direction of the cover piece is provided with a limiting plate, the limiting plate is arranged in the clamping and conveying area, the top end of the limiting plate is provided with a turnover plate, the turnover plate is perpendicular to the limiting plate, the turnover plate is symmetrically arranged on the adjacent limiting plate and is of an isosceles trapezoid structure, the upper end of the clamping and conveying area is provided with a pressurizing plate, the pressurizing plate is arranged on one side of the turnover plate and is connected with the frame through a stand column, the pressurizing plate is controlled to move up and down through a pneumatic telescopic system, and the lower end of the pressurizing plate is provided with a heating plate.
Further, the conveying chains are at least provided with two conveying chains.
Further, the blocking section is on the opposite side of the fixed section from the traveling direction of the conveying plate.
Further, the width dimension of the fixed section on the conveying plate is the same as the width dimension of the mask.
Furthermore, the periphery of the conveying plate is rounded, and the conveying plate is made of stainless steel materials which are convenient to conduct heat.
Further, the height dimension of the protection plate is larger than that of the limit plate.
Furthermore, be equipped with the protection shield between the adjacent guard plate, the protection shield sets up the top at the guard plate, the protection shield is visual glass material.
Further, the pressure plate includes the diaphragm that the level set up, the diaphragm is equipped with the riser towards one side of frame, the vertical board is equipped with two, the riser symmetry sets up the top at the cover piece.
Further, the starting telescopic system is a pneumatic telescopic cylinder.
The invention has the beneficial effects that: simple structure, high durability and convenient use, the mask piece after the processing is through the delivery board of district department of advancing, separately carry one, avoid gauze mask cover piece to fold together, the district department of advancing gets into, under the effect of guard plate, ear area on the gauze mask just advances up and pasting the guard plate, when getting into to press from both sides the district, under the hypotenuse effect of isosceles trapezoid on turning over the board, the space of upper end reduces, the ear area is rolled over and goes, when coming out from turning over a board, the department of cohering to gauze mask ear area through increased pressure board and hot plate heats the pressurization, it is inboard to guarantee the ear area towards the gauze mask, can save the follow-up used packing size of gauze mask like this, still conveniently to the conveying of gauze mask on other processes, can also fix not inseparable the benefit to gluing of some ear areas.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of a surface of a housing of the present invention;
FIG. 3 is a schematic structural diagram of a transmission mechanism at the bottom of the rack of the present invention;
reference symbol comparison table:
1. the frame, 2, the supporting leg, 3, the operation mouth, 4, the district of marcing, 5, press from both sides send the district, 6, the guard plate, 7, transport mechanism, 7.1, the drive roll, 7.2, the driven voller, 7.3, the conveying chain, 7.4, driving motor, 8, the delivery board, 8.1, the canned paragraph, 8.2, block the section, 9, the limiting plate, 10, turn over the flitch, 11, the pressure plate, 12, the stand, 13, pneumatic telescoping system, 14, the hot plate.
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings. In which like parts are designated by like reference numerals.
It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
In order to make the content of the present invention more clearly understood, 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.
As shown in the attached drawing, a mask sheet clamping and conveying device for a mask machine,
the automatic feeding device comprises a rack 1, wherein supporting legs 2 are arranged at the bottom of the rack 1, an operation opening 3 is arranged in the middle of the rack 1, a traveling area 4 and a clamping and conveying area 5 which are sequentially connected are arranged on the operation opening 3, a conveying mechanism 7 is arranged at the operation opening 3, protective plates 6 are arranged at two ends of the rack 1 along the traveling direction of a cover sheet, the protective plates 6 are arranged in the traveling area 4, the conveying mechanism 7 comprises a driving roller 7.1, a driven roller 7.2 and a conveying chain 7.3 for connecting the driving roller 7.1 and the driven roller 7.2, the driving roller 7.1 and the driven roller 7.2 are respectively arranged at two ends of the operation opening 3, a first rotating seat is arranged between the driving roller 7.1 and the rack 1, a second rotating seat is arranged between the driven roller 7.2 and the rack 1, one end of the driving roller 7.1 is connected with a driving motor 7.4 through a coupler, teeth which are inserted into the conveying chain 7.3 are arranged on the driving roller 7.1 and the driven roller 7.2, the conveying chain 7.3 is provided with a detachable conveying plate 8, the conveying plate 8 comprises a fixed section 8.1 and a blocking section 8.2, the fixed section 8.1 is connected with the conveying chain 7.3 through a bolt, the blocking section 8.2 is perpendicular to the fixed section 8.1, the conveying plate 8 is of an L-shaped structure, one end of the protection plate 6 along the advancing direction of the cover sheet is provided with a limiting plate 9, the limiting plate 9 is arranged in the clamping and conveying area 5, the top end of the limiting plate 9 is provided with a turnover plate 10, the turnover plate 10 is perpendicular to the limiting plate 9, the turnover plates 10 are symmetrically arranged on the adjacent limiting plates 9, the turnover plate 10 is of an isosceles trapezoid structure, the upper end of the clamping and conveying area 5 is provided with a pressurizing plate 11, the pressurizing plate 11 is arranged on one side of the turnover plate 10, the pressurizing plate 11 is connected with the rack 1 through a stand 12, the pressurizing plate 11 is controlled by a pneumatic telescopic system 13, the lower end of the pressurizing plate 11 is provided with a heating plate 14.
At least two conveying chains 7.3 are provided.
The blocking section 8.2 is on the opposite side of the fixed section 8.1 to the direction of travel of the conveyor plate 8.
The width dimension of the fixed section 8.1 on the conveying plate 8 is the same as the width dimension of the mask.
The periphery of the conveying plate 8 is rounded, and the conveying plate 8 is made of stainless steel materials convenient for heat conduction.
The height dimension of the protection plate 6 is larger than that of the limit plate 9.
Be equipped with the protection shield between the adjacent guard plate 6, the protection shield sets up the top at guard plate 6, the protection shield is visual glass material.
The pressure plate 11 comprises a horizontal transverse plate, vertical plates are arranged on one side, facing the rack 1, of the transverse plate, two vertical plates are arranged, and the vertical plates are symmetrically arranged above the cover sheets.
The starting telescopic system is a pneumatic telescopic cylinder.
When the device is used, the processed cover sheet enters the advancing area, the driving motor is started to drive the driving roller to rotate, thereby controlling the transmission chains to rotate, and the transmission chains are separately transmitted one by one through the transmission plates at the advancing area to prevent the mask cover sheets from overlapping and entering the advancing area, under the action of the protective plate, the ear belt on the mask is upward and moves forward along the protective plate, when entering the pinch zone, under the action of one oblique side of the isosceles trapezoid on the turnover plate, the space at the upper end is reduced, the ear band is folded in, when coming out from the turnover plate, the bonding part of the ear belt of the mask is heated and pressurized by the pressurizing plate and the heating plate to ensure that the ear belt faces the inner side of the mask, therefore, the packaging size of the mask used subsequently can be saved, the mask can be conveniently conveyed in other procedures, and the adhesive can be fixed and loosely adhered to ear bands.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a gauze mask machine cover piece presss from both sides send device which characterized in that: the automatic conveying device comprises a rack, wherein supporting legs are arranged at the bottom of the rack, an operation opening is formed in the middle of the rack, a traveling area and a clamping and conveying area which are sequentially connected are arranged on the operation opening, a conveying mechanism is arranged at the operation opening, protective plates are arranged at two ends of the rack along the traveling direction of a cover sheet, the protective plates are arranged in the traveling area, the conveying mechanism comprises a driving roller, a driven roller and a conveying chain for connecting the driving roller and the driven roller, the driving roller and the driven roller are respectively arranged at two ends of the operation opening, a first rotating seat is arranged between the driving roller and the rack, a second rotating seat is arranged between the driven roller and the rack, one end of the driving roller is connected with a driving motor through a coupling, teeth which are inserted into the conveying chain are arranged on the driving roller and the driven roller, a detachable conveying plate is arranged on the conveying chain, and comprises a fixed section and a blocking section, the fixed section passes through the bolt and is connected with the conveying chain, block section perpendicular to fixed section, the delivery board is L shape structure, the one end along cover piece advancing direction of guard plate is equipped with the limiting plate, the limiting plate sets up and send the district at the clamp, the top of limiting plate is equipped with turns over the folded plate, turn over the setting of folded plate perpendicular to limiting plate, turn over the symmetrical setting of folded plate on adjacent limiting plate, it is isosceles trapezoid structure to turn over the folded plate, the upper end of sending the district is equipped with the increased pressure board, the increased pressure board sets up the one side at the folded plate that turns over, the increased pressure board passes through the stand and is connected with the frame, the increased pressure board reciprocates through pneumatic telescoping system control, the lower extreme of increased pressure board is equipped with the hot plate.
2. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the conveying chains are at least provided with two.
3. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the blocking section is arranged on the side, opposite to the traveling direction of the conveying plate, of the fixed section.
4. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the width dimension of the fixed section on the conveying plate is the same as the width dimension of the mask.
5. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the periphery of the conveying plate is rounded, and the conveying plate is made of stainless steel materials convenient for heat conduction.
6. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the height dimension of the protection plate is larger than that of the limit plate.
7. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: be equipped with the protection shield between the adjacent guard plate, the protection shield sets up the top at the guard plate, the protection shield is visual glass material.
8. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the pressure plate comprises a horizontal transverse plate, vertical plates are arranged on one side, facing the rack, of the transverse plate, two vertical plates are arranged, and the vertical plates are symmetrically arranged above the cover sheet.
9. The mask sheet clamping and conveying device for the mask machine according to claim 1, characterized in that: the starting telescopic system is a pneumatic telescopic cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043450.9A CN113147050A (en) | 2021-01-13 | 2021-01-13 | Mask piece clamping and conveying device for mask machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202110043450.9A CN113147050A (en) | 2021-01-13 | 2021-01-13 | Mask piece clamping and conveying device for mask machine |
Publications (1)
Publication Number | Publication Date |
---|---|
CN113147050A true CN113147050A (en) | 2021-07-23 |
Family
ID=76878627
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202110043450.9A Pending CN113147050A (en) | 2021-01-13 | 2021-01-13 | Mask piece clamping and conveying device for mask machine |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN113147050A (en) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107364145A (en) * | 2017-04-06 | 2017-11-21 | 东莞市恒耀超音波设备有限公司 | A kind of mouth mask bonding machine |
CN111572047A (en) * | 2020-05-29 | 2020-08-25 | 惠州市新泓威科技有限公司 | Conveying mechanism of automatic welding machine for mask ear straps |
CN111792132A (en) * | 2020-07-14 | 2020-10-20 | 佛山市唐氏智能科技有限公司 | External ear mask ear folding feeding system and mask packaging line based on same |
CN211932800U (en) * | 2020-03-12 | 2020-11-17 | 深圳拓新包装机械有限公司 | Ear folding device for mask |
-
2021
- 2021-01-13 CN CN202110043450.9A patent/CN113147050A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107364145A (en) * | 2017-04-06 | 2017-11-21 | 东莞市恒耀超音波设备有限公司 | A kind of mouth mask bonding machine |
CN211932800U (en) * | 2020-03-12 | 2020-11-17 | 深圳拓新包装机械有限公司 | Ear folding device for mask |
CN111572047A (en) * | 2020-05-29 | 2020-08-25 | 惠州市新泓威科技有限公司 | Conveying mechanism of automatic welding machine for mask ear straps |
CN111792132A (en) * | 2020-07-14 | 2020-10-20 | 佛山市唐氏智能科技有限公司 | External ear mask ear folding feeding system and mask packaging line based on same |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN106516276A (en) | Full-automatic coating equipment | |
CN108263036A (en) | A kind of printing packaging box film covering device | |
CN112107067B (en) | Production line for disposable medical mask | |
CN113147050A (en) | Mask piece clamping and conveying device for mask machine | |
CN209079454U (en) | A kind of Multifunctional glass-bottle automatic hot foil printing machine | |
CN208558558U (en) | A kind of cardboard overlay film cutting device | |
CN206813393U (en) | A kind of acrylic board film on surface is with efficiently overlaying formula laminator | |
CN201729528U (en) | Turning conveying device preventing printing surface from being scratched | |
CN101941613B (en) | Turning conveyor for avoiding scratching printing surface and working method thereof | |
CN207509736U (en) | A kind of track hot press | |
CN110524247A (en) | A kind of T profile production line | |
CN206813394U (en) | Lucite film on surface laminator | |
CN214882508U (en) | Automatic slitting mechanism | |
CN213166912U (en) | Belt turning device of mask spot welding machine | |
CN213675495U (en) | Head-mounted mask welding mechanism | |
CN213168834U (en) | Ear folding belt device of mask packaging machine | |
CN210388035U (en) | Mesh welding device | |
CN113500121A (en) | Device for manufacturing steel coil corner wrapping belt | |
CN209738303U (en) | Energy-saving hot melting bonder | |
CN214137885U (en) | Deviation-rectifying feeding mechanism for film laminating machine | |
CN218080059U (en) | Cold and hard strip steel composite straightening machine | |
CN108820401A (en) | A kind of non-standard automatic Coating-removing machine | |
CN206030724U (en) | Pre -compaction flat -bed machine of metal sheet tectorial membrane production line constructs | |
CN218055937U (en) | Device and section bar packaging production line are established to section bar pyrocondensation membrane cover | |
CN217834788U (en) | Gauze mask production cycloid side presss from both sides device |
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 | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210723 |
|
RJ01 | Rejection of invention patent application after publication |