CN116620920A - Packaging equipment and method for PVC calendered film production - Google Patents
Packaging equipment and method for PVC calendered film production Download PDFInfo
- Publication number
- CN116620920A CN116620920A CN202310885101.0A CN202310885101A CN116620920A CN 116620920 A CN116620920 A CN 116620920A CN 202310885101 A CN202310885101 A CN 202310885101A CN 116620920 A CN116620920 A CN 116620920A
- Authority
- CN
- China
- Prior art keywords
- close
- case
- shaped
- roller
- guide
- 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.)
- Granted
Links
- 238000003490 calendering Methods 0.000 title claims abstract description 55
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 40
- 230000000712 assembly Effects 0.000 claims abstract description 28
- 238000000429 assembly Methods 0.000 claims abstract description 28
- 238000004804 winding Methods 0.000 claims abstract description 20
- 230000005484 gravity Effects 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims description 30
- 238000003825 pressing Methods 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000035515 penetration Effects 0.000 abstract description 2
- 238000012856 packing Methods 0.000 abstract 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 29
- 239000004800 polyvinyl chloride Substances 0.000 description 29
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004014 plasticizer Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B13/00—Bundling articles
- B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B63/00—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged
- B65B63/04—Auxiliary devices, not otherwise provided for, for operating on articles or materials to be packaged for folding or winding articles, e.g. gloves or stockings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/34—Apparatus for taking-out curl from webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/175—Plastic
- B65H2701/1752—Polymer film
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/81—Packaging machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Plastic Fillers For Packaging (AREA)
Abstract
The application discloses packaging equipment and a packaging method for PVC calendaring film production, wherein the packaging equipment comprises a machine case, an arc-shaped opening is formed in the top of one side of the machine case, a first rectangular opening is formed in the top of the other side of the machine case, a calendaring film tensioning assembly is arranged at the position, close to the arc-shaped opening, of the machine case, two symmetrically-arranged carrying roller bracket assemblies are arranged at the position, close to the first rectangular opening, of the machine case, a traction assembly for adjusting the angles of the two carrying roller bracket assemblies is arranged at the top of the machine case, the carrying roller bracket assemblies comprise a supporting plate, one end of the supporting plate is provided with a hinge groove, a first hinge block is hinged in the hinge groove, and the first hinge block is fixedly connected with the position, close to the first rectangular opening, of the side wall of the machine case. The application is convenient for packing the material roll, and the pinch roller is moved upwards under the action of the gravity of the material roll, so that the cut rolled film is prevented from scattering, repeated film penetration caused by falling of the rolled film is avoided, and the winding of the rolled film and the winding core is also convenient.
Description
Technical Field
The application relates to the technical field of PVC (polyvinyl chloride) calendered film production, in particular to packaging equipment and method for PVC calendered film production.
Background
The rolled film is prepared by a rolling process, and the rolling process is a process of enabling heated polyvinyl chloride plastic to pass through gaps of one or more pairs of horizontal rollers rotating in opposite directions to enable materials to bear extrusion and extension effects, so that a thin product with certain thickness, width and smooth surface is formed. It features high output and quality. But the process equipment is complex and the investment is large. The soft calendered film thickness is typically less than 0.25mm and the plasticizer content in the formulation is greater than 25phr. The PVC calendaring film has important positions in plastic greenhouse films, and has wide application in salt pan tarpaulins, industrial packaging, electrical insulation, inflatable film products, lamp box advertising, engineering waterproofing, daily necessities packaging and the like. PVC calendered film is one of the most common calendered films, and the calendered film is required to be wound and packaged in the uploading process.
The existing packaging equipment is inconvenient to replace a winding core after winding is completed, and a rolled film is easy to separate from a guide roller after cutting, frequent manual film penetration is needed, so that the packaging equipment and method for producing the PVC rolled film are provided.
Disclosure of Invention
Based on the technical problems in the background art, the application provides packaging equipment and method for PVC calendered film production.
The application provides packaging equipment for PVC calendered film production, which comprises a case, wherein an arc-shaped opening is formed in the top of one side of the case, a first rectangular opening is formed in the top of the other side of the case, a calendered film tensioning assembly is arranged at the position, close to the arc-shaped opening, of the case, two symmetrically arranged carrier roller bracket assemblies are arranged at the position, close to the first rectangular opening, of the case, and a traction assembly for adjusting the angles of the two carrier roller bracket assemblies is arranged at the top of the case;
the roller support assembly comprises a support plate, a hinge groove is formed in one end of the support plate, a first hinge block is hinged in the hinge groove, the first hinge block is fixedly connected with the side wall of the case close to a first rectangular opening, an outer cylinder is rotatably arranged at one end of the support plate, which is far away from the hinge groove, a second belt pulley is fixed at one end of the outer cylinder, a roller shaft lining is fixedly arranged in the outer cylinder, a strip-shaped protrusion arranged along the length direction is arranged on the outer circumferential surface of the roller shaft lining, a power part for driving the second belt pulley to rotate is arranged on the support plate, a strip-shaped slide way is arranged on the upper portion of the support plate, a sliding block is arranged in the strip-shaped slide way in a sliding mode, a rectangular frame is arranged on one side of the sliding block, a connecting pin is arranged at the top of the rectangular frame, a guide rod is arranged in the strip-shaped slide way, a round hole for the guide rod to pass through is formed in the sliding block, and a second spring is sleeved on the guide rod;
the traction assembly comprises a cylinder, an installation groove matched with the cylinder is formed in the top of the case, a second hinging block is fixed at the telescopic end of the cylinder, traction arms are hinged to two sides of the second hinging block, and one end, away from the second hinging block, of the traction arms is rotationally connected with the connecting pin;
the machine case inner wall is provided with the second guide roller near the rotation of first rectangle opening below position department, and the machine case inboard is provided with first guide roller near rotating between first rectangle opening and the arc opening, and first guide roller is located the oblique top of second guide roller.
As a further optimization of the technical scheme, the packaging equipment for PVC calendered film production is characterized in that locking assemblies are symmetrically arranged on one side, close to a first rectangular opening, of the top of the case, each locking assembly comprises a mounting frame fixed on the top of the case, a transversely arranged inserted link is arranged on each mounting frame, each inserted link corresponds to a rectangular frame, and the specification of each inserted link is matched with that of each rectangular frame.
As a further optimization of the technical scheme, the packaging equipment for PVC calendered film production comprises the power component, wherein the power component comprises the motor fixed on one side of the supporting plate, the motor penetrates through the supporting plate to be fixed with the first belt pulley, and the same belt is sleeved between the first belt pulley and the second belt pulley.
As a further optimization of the technical scheme, the packaging equipment for PVC calendered film production comprises a U-shaped frame, wherein the U-shaped frame is formed by bending a metal tube, the lower ends of two sides of the U-shaped frame are bent and extended and are connected with the same second cross rod, a first cross rod which is transversely arranged is arranged at the middle position of the U-shaped frame, supporting arms are arranged at the positions, close to arc-shaped notch parts, of two sides of a machine case, two supporting arms are respectively connected with two ends of the first cross rod in a rotating mode, a first metal sleeve is rotatably arranged at the top of the U-shaped frame, a third cross rod is arranged between the inner side of the U-shaped frame, close to the first cross rod and the second cross rod, a pressing plate is rotatably arranged on the outer wall of the third cross rod, two ends of the pressing plate are respectively sleeved with two sides of the U-shaped frame, and a first spring piece is respectively sleeved between the two sides of the U-shaped frame, close to the sliding sleeve and the third cross rod.
As a further optimization of the technical scheme, the packaging equipment for PVC calendered film production is characterized in that the lower parts of two sides of the case are respectively provided with an arc-shaped guide groove for the second cross rod to slide.
As further optimization of the technical scheme, the packaging equipment for PVC calendaring film production is characterized in that a material guide plate is arranged at a position, close to the lower side of a first rectangular opening, of the inner side of a machine case, a material supporting plate assembly is rotatably arranged at one side, close to the lower side of the material guide plate, of the inner side of the machine case, the material supporting plate assembly comprises a material supporting plate, a metal shaft is arranged on the material supporting plate and is rotatably connected with the inner walls of the two sides of the machine case, a second rectangular opening is arranged on the upper portion of the material supporting plate, a pressing roller is rotatably arranged in the second rectangular opening, and the lower side of the material supporting plate is upwards bent to form a bending part.
As a further optimization of the technical scheme, the packaging equipment for PVC calendered film production is characterized in that a strip-shaped notch is formed in the lower side of the material supporting plate.
As further optimization of the technical scheme, the packaging equipment for PVC calendered film production is characterized in that a trigger block is arranged at the bottom of the case and close to the lower position of the pressing plate, and the trigger block is of a trapezoid structure.
As a further optimization of the technical scheme, according to the packaging equipment for PVC calendered film production, a rectangular strip is fixed at one side of the bottom of the case, which is close to the second cross bar, and a plurality of tension springs are connected between the rectangular strip and the second cross bar.
The application also provides a packaging method of packaging equipment for PVC calendered film production, which is characterized in that: the method comprises the following steps:
s1: installing a roll core, arranging channels matched with the strip-shaped protrusions at two ends of the roll core, then placing the roll core between two carrier roller bracket assemblies, contracting through a control cylinder, matching with a second hinging block and a traction arm which are arranged, realizing that the two carrier roller bracket assemblies are mutually close, inserting roll shaft lining cylinders on the two carrier roller bracket assemblies into two ends of the roll core, enabling the strip-shaped protrusions to fall into the channels, continuously controlling the cylinder to pull, enabling a sliding block to slide along a strip-shaped slideway, inserting an inserting rod into a rectangular frame, realizing locking of the positions of the carrier roller bracket assemblies, and finishing installation of the roll core;
s2: penetrating a film, enabling a rolled film to be wound to pass through a gap between a first cross rod and a first metal sleeve above the first metal sleeve, then pass through a gap between a pressing plate and a second metal sleeve, pass through a gap between the pressing plate and the second metal sleeve, pass through a first guide roller, pass through a second guide roller, and finally wind the rolled film onto a winding core;
s3: winding the film, controlling a motor on the carrier roller bracket assembly to work, driving a roller shaft lining cylinder provided with a winding core to rotate together by matching with a first belt pulley, a belt and a second belt pulley, and realizing the winding of the rolled film;
s4: unloading cuts off calendering membrane, stretches out through control cylinder, cooperation second hinge piece and tractive arm realize that two carry roller support assemblies are expanded each other to realize that the reel core that winds has the calendering membrane breaks away from the roller lining barrel, the material that breaks away from rolls up and roll up along the guide plate landing to hold in the palm the flitch and stay on the kink, owing to the gravity effect of material book, drive to hold in the palm the flitch rotation, thereby the pinch roller is rotatory to be close to the second guide roller, clamp the calendering membrane end department of cutting off, avoid it to drop, carry out the bundling of bundling belt through the bar opening on the support flitch assembly.
In summary, the beneficial effects of the application are as follows:
the application provides packaging equipment and a method for PVC rolled film production, which can tension a rolled film through a set rolled film tensioning assembly, and can drive a U-shaped frame to rotate in cooperation with traction force in the rolled film rolling process, so that a pressing plate is close to a trigger block, and is moved upwards to press the surface of the rolled film, the rolled film is flattened, meanwhile, the set carrying roller bracket assemblies are combined, and the set pulling assembly is matched, so that the included angle of the two carrying roller bracket assemblies can be adjusted to realize quick release of a rolled material roll and quick installation of an empty roll core.
Drawings
FIG. 1 is a schematic structural view of a packaging device for producing PVC calendered films;
fig. 2 is a schematic structural diagram of a case of a packaging device for producing a PVC calendered film according to the present application;
fig. 3 is a schematic structural diagram of a case for dismantling packaging equipment for producing a PVC calendered film;
fig. 4 is a schematic structural diagram of a rolled film tensioning assembly of a packaging device for producing a PVC rolled film according to the present application;
fig. 5 is a schematic structural diagram of a material supporting plate assembly of a packaging device for producing a PVC calendered film according to the present application;
fig. 6 is a schematic structural diagram of a roller support assembly and a pulling assembly of a packaging device for producing a PVC calendered film according to the present application;
fig. 7 is a schematic structural diagram of a roller support assembly of a packaging device for producing a PVC calendered film.
In the figure: 1. a chassis; 101. a mounting groove; 102. a first rectangular opening; 103. a first hinge block; 104. an arc-shaped guide groove; 105. an arc-shaped notch; 106. a support arm; 107. a trigger block; 108. a rectangular bar; 109. a material guide plate; 2. a calendaring film tensioning assembly; 201. a U-shaped frame; 202. a first metal sleeve; 203. a first cross bar; 204. a second cross bar; 205. a tension spring; 206. a pressing plate; 207. a third cross bar; 208. a second metal sleeve; 209. a sliding sleeve; 210. a first spring member; 3. a carrier roller support assembly; 301. a hinge groove; 302. a support plate; 303. a second pulley; 304. a motor; 305. a strip-shaped slideway; 306. a belt; 307. a first pulley; 308. a mounting frame; 309. a rod; 310. roller shaft lining cylinder; 311. a bar-shaped protrusion; 312. a slide block; 313. a connecting pin; 314. a rectangular frame; 315. a second spring; 316. a guide rod; 317. an outer cylinder; 4. a pulling assembly; 401. a cylinder; 402. a second hinge block; 403. a pulling arm; 5. a first guide roller; 6. a tray assembly; 601. a metal shaft; 602. a material supporting plate; 603. a second rectangular opening; 604. a pinch roller; 605. a strip-shaped notch; 606. a bending part; 7. and a second guide roller.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 7 in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1-7, a packaging device for producing a PVC calendered film comprises a case 1, wherein an arc-shaped notch 105 is formed in the top of one side of the case 1, a first rectangular notch 102 is formed in the top of the other side of the case 1, a calendered film tensioning assembly 2 is arranged at the position, close to the arc-shaped notch 105, of the case 1, two symmetrically-arranged carrying roller bracket assemblies 3 are arranged at the position, close to the first rectangular notch 102, of the case 1, and a traction assembly 4 for adjusting the angle of the two carrying roller bracket assemblies 3 is arranged at the top of the case 1;
the roller support assembly 3 comprises a support plate 302, a hinge groove 301 is formed in one end of the support plate 302, a first hinge block 103 is hinged in the hinge groove 301, the first hinge block 103 is fixedly connected with the side wall of the chassis 1 at a position close to the first rectangular opening 102, an outer cylinder 317 is rotatably arranged at one end, far away from the hinge groove 301, of the support plate 302, a second belt pulley 303 is fixedly arranged at one end of the outer cylinder 317, a roller liner 310 is fixedly arranged in the outer cylinder 317, a strip-shaped protrusion 311 arranged along the length direction is arranged on the peripheral surface of the roller liner 310, a power part for driving the second belt pulley 303 to rotate is arranged on the support plate 302, a strip-shaped slide 305 is arranged on the upper portion of the support plate 302, a sliding block 312 is arranged in a sliding manner, a rectangular frame 314 is arranged on one side of the sliding block 312, a connecting pin 313 is arranged at the top of the rectangular frame 314, a guide rod 316 is arranged in the strip-shaped slide 305, a round hole for the guide rod 316 to pass through, and a second spring 315 is sleeved on the guide rod 316;
the traction assembly 4 comprises an air cylinder 401, an installation groove 101 matched with the air cylinder 401 is formed in the top of the case 1, a second hinge block 402 is fixed at the telescopic end of the air cylinder 401, traction arms 403 are hinged to two sides of the second hinge block 402, and one end, away from the second hinge block 402, of the traction arms 403 is rotatably connected with a connecting pin 313;
the inner wall of the case 1 is provided with a second guide roller 7 in a rotating manner at a position below the first rectangular opening 102, the inner side of the case 1 is provided with a first guide roller 5 in a rotating manner between the first rectangular opening 102 and the arc opening 105, and the first guide roller 5 is positioned above the second guide roller 7 in an inclined manner.
Referring to fig. 6 and fig. 7, a locking assembly is symmetrically disposed on one side of the top of the chassis 1 near the first rectangular opening 102, the locking assembly includes a mounting frame 308 fixed on the top of the chassis 1, and a laterally disposed inserting rod 309 is disposed on the mounting frame 308, the inserting rod 309 corresponds to the rectangular frame 314, and the specification of the inserting rod 309 is adapted to that of the rectangular frame 314.
Referring to fig. 6, the power unit includes a motor 304 fixed to one side of a support plate 302, and a first pulley 307 is fixed to the motor 304 through the support plate 302, and a same belt 306 is sleeved between the first pulley 307 and the second pulley 303.
Referring to fig. 1 and 4, the calendering membrane tensioning assembly 2 includes a U-shaped frame 201, the U-shaped frame 201 is formed by bending a metal tube, and the lower ends of two sides of the U-shaped frame 201 are bent and extended and are connected with the same second cross rod 204, a first cross rod 203 is arranged at the middle position of the U-shaped frame 201 in a sliding mode, support arms 106 are arranged at the two sides of the machine case 1 close to the positions of the arc-shaped notch 105, the two support arms 106 are respectively connected with two ends of the first cross rod 203 in a rotating mode, a first metal sleeve 202 is arranged at the top of the U-shaped frame 201 in a rotating mode, a third cross rod 207 is arranged between the inner side of the U-shaped frame 201 close to the first cross rod 203 and the second cross rod 204 in a rotating mode, a second metal sleeve 208 is arranged at the outer wall of the third cross rod 207 in a rotating mode, a pressing plate 206 is arranged at the lower position of the lower side of the U-shaped frame 201 close to the second metal sleeve 208 in a sliding mode, sliding sleeves 209 are respectively arranged at two ends of the pressing plate 206, two sides of the pressing plate 206 are respectively sleeved with two sides of the U-shaped frame 201, a first spring piece 210 is respectively sleeved between the two sides of the U-shaped frame 201 close to the sliding sleeve 209 and the third cross rod 207 in a rotating mode, a rectangular piece 210 is respectively arranged between the two sides of the U-shaped frame 201 and the sliding sleeve 108 are respectively close to the two sides of the sliding sleeve 108, a rectangular piece 108 are respectively, a rectangular piece 108 is arranged between the bottom of the bottom piece and the bottom of the machine case 1 and the square piece 108 is close to the bottom to the second side of the square piece 204 and the bottom is close to the second side of the square piece 204 and the square piece is close to the bottom of the square piece 204 and the square piece is respectively, and two bottom is connected to the bottom of the machine case 107.
Referring to fig. 3 and fig. 5, a material guide plate 109 is disposed at a position, close to the lower side of the first rectangular opening 102, of the inner side of the chassis 1, a material supporting plate assembly 6 is rotatably disposed at one side, close to the lower side of the material guide plate 109, of the inner side of the chassis 1, the material supporting plate assembly 6 comprises a material supporting plate 602, a metal shaft 601 is disposed on the material supporting plate 602, the metal shaft 601 is rotatably connected with inner walls of two sides of the chassis 1, a second rectangular opening 603 is disposed on the upper portion of the material supporting plate 602, a pressing roller 604 is rotatably disposed in the second rectangular opening 603, a bending portion 606 is formed by bending the lower side of the material supporting plate 602 upwards, and a strip-shaped opening 605 is disposed on the lower side of the material supporting plate 602.
The packaging method of the packaging equipment for producing the PVC calendered film comprises the following steps:
s1: installing a roll core, arranging channels matched with strip-shaped protrusions 311 at two ends of the roll core, then placing the roll core between two carrier roller bracket assemblies 3, shrinking through a control cylinder 401, matching with a second hinging block 402 and a pulling arm 403 which are arranged to realize that the two carrier roller bracket assemblies 3 are mutually close, inserting roll shaft lining cylinders 310 on the two carrier roller bracket assemblies 3 into two ends of the roll core, dropping the strip-shaped protrusions 311 into the channels, continuing to control the cylinder 401 to pull, enabling a sliding block 312 to slide along a strip-shaped slideway 305, inserting an inserting rod 309 into a rectangular frame 314, locking the positions of the carrier roller bracket assemblies 3, and finishing the installation of the roll core;
s2: penetrating films, namely bypassing a rolled film to be wound around the upper part of the first metal sleeve 202, passing through a gap between the first cross rod 203 and the first metal sleeve 202, bypassing the second metal sleeve 208, passing through a gap between the pressing plate 206 and the second metal sleeve 208, bypassing the rolled film from the upper part of the first guide roller 5, bypassing the lower part of the second guide roller 7, and finally winding the rolled film on a winding core;
s3: winding the film, controlling a motor 304 on the carrier roller bracket assembly 3 to work, driving a roller shaft lining cylinder 310 provided with a winding core to rotate together by matching with a first belt pulley 307, a belt 306 and a second belt pulley 303, and realizing the winding of the rolled film, wherein in the process, the U-shaped frame 201 is pulled to rotate due to the traction effect in the winding process, so that the pressing plate 206 and the trigger block 107 are close to each other, and move upwards against the pressing plate 206 to compress the rolled film, thereby realizing the effect of flattening the rolled film;
s4: unloading, cut off the calendering membrane, stretch out through control cylinder 401, cooperation second hinge piece 402 and tractive arm 403 realize that two carry roller support assemblies 3 are mutually expanded to realize that the core of coiling has the calendering membrane breaks away from roller bushing 310, the material book of breaking away from is along stock guide 109 landing to holding in the palm flitch 602 and stay on kink 606, owing to the gravity effect of material book, drive to hold in the palm flitch 602 rotation, thereby pinch roller 604 is rotatory to be close to second guide roller 7, clamp the calendering membrane end department of cutting off, avoid it to drop, carry out the bundling of bundling belt through the bar opening 605 on holding in the palm flitch assembly 6.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be capable of being practiced otherwise than as specifically illustrated and described. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art, who is within the scope of the present application, should make equivalent substitutions or modifications according to the technical scheme of the present application and the inventive concept thereof, and should be covered by the scope of the present application.
Claims (10)
1. Packaging equipment for PVC calendered film production, including quick-witted case (1), its characterized in that: an arc-shaped opening (105) is formed in the top of one side of the case (1), a first rectangular opening (102) is formed in the top of the other side of the case (1), a calendaring film tensioning assembly (2) is arranged at the position, close to the arc-shaped opening (105), of the case (1), two symmetrically-arranged carrying roller bracket assemblies (3) are arranged at the position, close to the first rectangular opening (102), of the case (1), and a traction assembly (4) for adjusting the angles of the two carrying roller bracket assemblies (3) is arranged at the top of the case (1);
the roller support assembly (3) comprises a support plate (302), a hinge groove (301) is formed in one end of the support plate (302), a first hinge block (103) is hinged in the hinge groove (301), the first hinge block (103) is fixedly connected with the side wall of the case (1) close to the position of a first rectangular notch (102), an outer cylinder (317) is arranged at one end, away from the hinge groove (301), of the support plate (302) in a rotating mode, a second belt pulley (303) is fixed at one end of the outer cylinder (317), a roller shaft lining (310) is fixed in the outer cylinder (317), a strip-shaped protrusion (311) which is arranged along the length direction is arranged on the outer peripheral surface of the roller shaft lining (310), a power part which drives the second belt pulley (303) to rotate is arranged on the support plate (302), a strip-shaped slide way (305) is arranged on the upper portion of the support plate (302), a slide block (312) is arranged in a sliding manner, a rectangular frame (314) is arranged on one side of the slide block (312), a connecting pin (313) is arranged at the top of the rectangular frame (314), a guide rod (316) is arranged in the slide way, and a guide rod (316) is arranged on the guide rod (316) in the guide rod, and the guide rod (316) is arranged on the guide rod (316).
The traction assembly (4) comprises an air cylinder (401), an installation groove (101) matched with the air cylinder (401) is formed in the top of the case (1), a second hinging block (402) is fixed at the telescopic end of the air cylinder (401), traction arms (403) are hinged to two sides of the second hinging block (402), and one end, far away from the second hinging block (402), of the traction arms (403) is rotationally connected with the connecting pin (313);
the inner wall of the case (1) is provided with a second guide roller (7) in a rotating mode at a position below the first rectangular opening (102), the inner side of the case (1) is provided with a first guide roller (5) in a rotating mode between the first rectangular opening (102) and the arc opening (105), and the first guide roller (5) is located obliquely above the second guide roller (7).
2. The packaging device for producing the PVC calendered film according to claim 1, wherein locking assemblies are symmetrically arranged on one side, close to the first rectangular opening (102), of the top of the machine case (1), each locking assembly comprises a mounting frame (308) fixed on the top of the machine case (1), each mounting frame (308) is provided with a transversely arranged inserted rod (309), each inserted rod (309) corresponds to a rectangular frame (314), and the specifications of the inserted rods (309) are matched with those of the rectangular frames (314).
3. A packaging apparatus for producing a PVC calendered film according to claim 2, wherein the power means comprises a motor (304) fixed to one side of the support plate (302), and the motor (304) is fixed with a first belt pulley (307) through the support plate (302), the first belt pulley (307) and the second belt pulley (303) being sheathed with the same belt (306).
4. The packaging device for producing PVC calendered films according to claim 3, wherein the calendered film tensioning assembly (2) comprises a U-shaped frame (201), the U-shaped frame (201) is formed by bending a metal tube, the lower ends of two sides of the U-shaped frame (201) are bent and extended and are connected with the same second cross rod (204), a first cross rod (203) transversely arranged is arranged at the middle position of the U-shaped frame (201), supporting arms (106) are arranged at the positions, close to the arc-shaped notch (105), of two sides of the chassis (1), of the two supporting arms (106) are respectively connected with two ends of the first cross rod (203) in a rotating mode, a first metal sleeve (202) is arranged at the top of the U-shaped frame (201) in a rotating mode, a third cross rod (207) is arranged between the inner side, close to the first cross rod (203) and the second cross rod (204), a second metal sleeve (208) is arranged at the outer wall of the third cross rod (207) in a rotating mode, a pressing plate (206) is arranged at the position, close to the lower position, close to the second metal sleeve (208) of the U-shaped frame (201) in a sliding mode, two sliding plates (206) are arranged at the positions, two sliding sleeves (209) are respectively sleeved on the two sides of the U-shaped frame (201), a first spring piece (210) is sleeved between the sliding sleeve (209) and the third transverse rod (207) on two sides of the U-shaped frame (201).
5. The packaging device for producing PVC calendered films according to claim 4, wherein the lower parts of both sides of the chassis (1) are provided with arc-shaped guide grooves (104) for sliding of the second cross bars (204).
6. The packaging device for producing PVC calendered films according to claim 1, wherein a material guide plate (109) is arranged at a position, close to the lower side of the first rectangular opening (102), on the inner side of the case (1), a material supporting plate assembly (6) is rotatably arranged at one side, close to the lower side of the material guide plate (109), of the inner side of the case (1), the material supporting plate assembly (6) comprises a material supporting plate (602), a metal shaft (601) is arranged on the material supporting plate (602), the metal shaft (601) is rotatably connected with inner walls on two sides of the case (1), a second rectangular opening (603) is arranged on the upper portion of the material supporting plate (602), a pressing roller (604) is rotatably arranged in the second rectangular opening (603), and the lower side of the material supporting plate (602) is bent upwards to form a bent part (606).
7. The packaging device for producing PVC calendered films according to claim 6, wherein a strip-shaped notch (605) is arranged on the lower side of the material supporting plate (602).
8. The packaging device for producing PVC calendered films according to claim 7, wherein a trigger block (107) is arranged at the bottom of the chassis (1) near the lower position of the pressing plate (206), and the trigger block (107) is of a trapezoid structure.
9. The packaging device for producing the PVC calendered film according to claim 8, wherein a rectangular bar (108) is fixed at one side of the bottom of the chassis (1) close to the second cross bar (204), and a plurality of tension springs (205) are connected between the rectangular bar (108) and the second cross bar (204).
10. The packaging method of a packaging device for producing a PVC calendered film according to claim 9, wherein: the method comprises the following steps:
s1: installing a roll core, arranging channels matched with strip-shaped protrusions (311) at two ends of the roll core, then placing the roll core between two carrier roller bracket assemblies (3), shrinking through a control cylinder (401), matching with a second hinging block (402) and a traction arm (403), achieving that the two carrier roller bracket assemblies (3) are mutually closed, inserting roll shaft lining cylinders (310) on the two carrier roller bracket assemblies (3) into the two ends of the roll core, enabling the strip-shaped protrusions (311) to fall into the channels, continuing to control the cylinder (401) to pull, enabling a sliding block (312) to slide along a strip-shaped slideway (305), inserting a rod (309) into a rectangular frame (314), locking the positions of the carrier roller bracket assemblies (3), and completing installation of the roll core;
s2: penetrating films, namely bypassing a rolled film to be wound around a gap between a first transverse rod (203) and a first metal sleeve (202) above the first metal sleeve (202), bypassing a second metal sleeve (208), bypassing a gap between a pressing plate (206) and the second metal sleeve (208), bypassing above a first guide roller (5), bypassing below a second guide roller (7), and finally winding the rolled film on a winding core;
s3: winding an upper film, controlling a motor (304) on a carrier roller bracket assembly (3) to work, and driving a roller shaft lining cylinder (310) provided with a winding core to rotate together by matching with a first belt pulley (307), a belt (306) and a second belt pulley (303), so as to realize the winding of the rolled film, and in the process, pulling a U-shaped frame (201) to rotate due to the traction effect in the winding process, thereby realizing the approaching of a pressing plate (206) and a trigger block (107), pushing the pressing plate (206) upwards, and compacting the rolled film to realize the effect of flattening the rolled film;
s4: unloading, cut off calendering membrane, stretch out through control cylinder (401), cooperation second hinge piece (402) and tractive arm (403), realize that two carry roller support assemblies (3) are unwound each other, thereby realize that the reel core that winds has calendering membrane breaks away from roller lining (310), the material that breaks away from rolls up is along stock guide (109) landing to holding in the palm flitch (602) and stay on kink (606), owing to the gravity effect of material roll, drive and hold in the palm flitch (602) rotatory, thereby pinch roller (604) are close to second stock guide (7) rotation, clamp the calendering membrane end department of cutting off, avoid it to drop, carry out the bundling belt's of bundling through bar opening (605) on holding in the palm flitch assembly (6).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310885101.0A CN116620920B (en) | 2023-07-19 | 2023-07-19 | Packaging equipment and method for PVC calendered film production |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202310885101.0A CN116620920B (en) | 2023-07-19 | 2023-07-19 | Packaging equipment and method for PVC calendered film production |
Publications (2)
Publication Number | Publication Date |
---|---|
CN116620920A true CN116620920A (en) | 2023-08-22 |
CN116620920B CN116620920B (en) | 2023-09-26 |
Family
ID=87597557
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202310885101.0A Active CN116620920B (en) | 2023-07-19 | 2023-07-19 | Packaging equipment and method for PVC calendered film production |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN116620920B (en) |
Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990014931A2 (en) * | 1989-06-09 | 1990-12-13 | Idab Incorporated | Gripping and conveying apparatus |
JP2006326799A (en) * | 2005-05-30 | 2006-12-07 | Honda Motor Co Ltd | Clamping device |
US20080313994A1 (en) * | 2005-04-22 | 2008-12-25 | Arvo Nuutinen | Method and Apparatus For Manufactring a Nail Plate Truss Without Setting |
CN205097189U (en) * | 2015-10-23 | 2016-03-23 | 深圳市海目星激光科技有限公司 | Tongs with self -locking function |
EP3153645A1 (en) * | 2015-10-06 | 2017-04-12 | Locinox | Door lock fixture arranged to be mounted onto a tubular member |
CN108217272A (en) * | 2018-03-16 | 2018-06-29 | 无锡宝南机器制造有限公司 | Digital printer wrap-up |
CN109129451A (en) * | 2018-09-14 | 2019-01-04 | 华中科技大学 | Shoulder locking and wrist capture device and its application of the self-positioning mechanical arm in space |
CN110077882A (en) * | 2019-05-22 | 2019-08-02 | 芜湖金三氏数控科技有限公司 | A kind of PVB film automatic coiling machine |
CN110181439A (en) * | 2019-06-25 | 2019-08-30 | 京东方科技集团股份有限公司 | For clamping the clamping device and cassette component of cassette |
CN209988796U (en) * | 2019-04-23 | 2020-01-24 | 江苏艾合复合材料有限公司 | Release paper discharging device capable of rapidly replacing roll core |
CN210366198U (en) * | 2019-08-06 | 2020-04-21 | 吴江市欣逸纺织有限公司 | Automatic change strutting arrangement for spinning machine |
CN212049728U (en) * | 2020-04-02 | 2020-12-01 | 温州万润机械有限公司 | Unwinding mechanism of braided bag film coating machine |
CN212449894U (en) * | 2020-06-01 | 2021-02-02 | 上海燊顺包装材料有限公司 | Film coating machine coil unloading device |
WO2022088369A1 (en) * | 2020-10-28 | 2022-05-05 | 广东仕诚塑料机械有限公司 | Coiled material automatic packaging apparatus |
CN217675890U (en) * | 2022-06-16 | 2022-10-28 | 常熟旭仪五金机械科技有限公司 | Coiling mechanism is used in production of stainless steel mesh cloth |
CN115326862A (en) * | 2022-10-10 | 2022-11-11 | 常州力拓塑胶有限公司 | PVC calendered film temperature resistance detection equipment and detection method |
CN218052681U (en) * | 2022-08-03 | 2022-12-16 | 三峡大学 | Multifunctional modularized mechanical clamping jaw for clamping rod piece |
CN218909305U (en) * | 2022-11-23 | 2023-04-25 | 常州力拓塑胶有限公司 | Film collecting mechanism of PVC film calender |
CN116214558A (en) * | 2023-04-27 | 2023-06-06 | 哈尔滨理工大学 | Mechanical arm end effector for butt joint of space truss connector |
-
2023
- 2023-07-19 CN CN202310885101.0A patent/CN116620920B/en active Active
Patent Citations (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1990014931A2 (en) * | 1989-06-09 | 1990-12-13 | Idab Incorporated | Gripping and conveying apparatus |
US20080313994A1 (en) * | 2005-04-22 | 2008-12-25 | Arvo Nuutinen | Method and Apparatus For Manufactring a Nail Plate Truss Without Setting |
JP2006326799A (en) * | 2005-05-30 | 2006-12-07 | Honda Motor Co Ltd | Clamping device |
EP3153645A1 (en) * | 2015-10-06 | 2017-04-12 | Locinox | Door lock fixture arranged to be mounted onto a tubular member |
CN205097189U (en) * | 2015-10-23 | 2016-03-23 | 深圳市海目星激光科技有限公司 | Tongs with self -locking function |
CN108217272A (en) * | 2018-03-16 | 2018-06-29 | 无锡宝南机器制造有限公司 | Digital printer wrap-up |
CN109129451A (en) * | 2018-09-14 | 2019-01-04 | 华中科技大学 | Shoulder locking and wrist capture device and its application of the self-positioning mechanical arm in space |
CN209988796U (en) * | 2019-04-23 | 2020-01-24 | 江苏艾合复合材料有限公司 | Release paper discharging device capable of rapidly replacing roll core |
CN110077882A (en) * | 2019-05-22 | 2019-08-02 | 芜湖金三氏数控科技有限公司 | A kind of PVB film automatic coiling machine |
CN110181439A (en) * | 2019-06-25 | 2019-08-30 | 京东方科技集团股份有限公司 | For clamping the clamping device and cassette component of cassette |
CN210366198U (en) * | 2019-08-06 | 2020-04-21 | 吴江市欣逸纺织有限公司 | Automatic change strutting arrangement for spinning machine |
CN212049728U (en) * | 2020-04-02 | 2020-12-01 | 温州万润机械有限公司 | Unwinding mechanism of braided bag film coating machine |
CN212449894U (en) * | 2020-06-01 | 2021-02-02 | 上海燊顺包装材料有限公司 | Film coating machine coil unloading device |
WO2022088369A1 (en) * | 2020-10-28 | 2022-05-05 | 广东仕诚塑料机械有限公司 | Coiled material automatic packaging apparatus |
CN217675890U (en) * | 2022-06-16 | 2022-10-28 | 常熟旭仪五金机械科技有限公司 | Coiling mechanism is used in production of stainless steel mesh cloth |
CN218052681U (en) * | 2022-08-03 | 2022-12-16 | 三峡大学 | Multifunctional modularized mechanical clamping jaw for clamping rod piece |
CN115326862A (en) * | 2022-10-10 | 2022-11-11 | 常州力拓塑胶有限公司 | PVC calendered film temperature resistance detection equipment and detection method |
CN218909305U (en) * | 2022-11-23 | 2023-04-25 | 常州力拓塑胶有限公司 | Film collecting mechanism of PVC film calender |
CN116214558A (en) * | 2023-04-27 | 2023-06-06 | 哈尔滨理工大学 | Mechanical arm end effector for butt joint of space truss connector |
Non-Patent Citations (2)
Title |
---|
朱汉林;: "缠绕膜(CPE)无胶带换卷的新技术", 辽宁化工, no. 05 * |
裴亚东;屈银扩;: "样棒存取及管理机器人***浅析", 南钢科技与管理, no. 01 * |
Also Published As
Publication number | Publication date |
---|---|
CN116620920B (en) | 2023-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112896680B (en) | Method for manufacturing and forming high-polymer waterproof coiled material | |
US4502264A (en) | Film wrap machine | |
CN116620920B (en) | Packaging equipment and method for PVC calendered film production | |
CN214690464U (en) | Packaging bag unreels loading attachment | |
CN219688913U (en) | PE thermal shrinkage film rolling device | |
CN210411911U (en) | Rolling equipment of high-quality and special-steel reversible cold rolling mill | |
CN214776949U (en) | Packing machine | |
US5040358A (en) | Method and machine for helically depositing a band of film on the vertical faces of a palletized load | |
DE4137448C2 (en) | Process for wrapping cylindrical goods | |
JPH0691720A (en) | Taking-up device of profile extrusion-molded product | |
KR100888448B1 (en) | The film rewind apparatus easy install of foundation roll | |
CN210012408U (en) | Novel layered conveying belt edge cutting device | |
CN209890013U (en) | Automatic winding device for cloth ends | |
CN204297739U (en) | A kind of storage rack structure | |
CN215797467U (en) | Material feeding unit and applied material feeding unit's heat-seal production line | |
CN220942687U (en) | Adjustable uncoiling device of cold bending forming machine | |
CN218453823U (en) | Aluminum strip tensioning device | |
CN211197975U (en) | Pinch roller system of steel band unreeling machine | |
CN117284834B (en) | Non-woven fabrics processing is with dividing a roll device | |
KR20200122056A (en) | Folding apparatus for paper pannel | |
CN213707179U (en) | Paper products production uses rolling equipment that has a flat structure | |
CN220596571U (en) | Strip separating device of double-sided adhesive tape for mobile phone screen | |
CN212387371U (en) | Smart card packaging film rolls up positioner | |
CN213976224U (en) | Strip surface quality inspection device | |
CN220316787U (en) | Film rewinder |
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 |