CN112456198A - Paper core tightener - Google Patents
Paper core tightener Download PDFInfo
- Publication number
- CN112456198A CN112456198A CN201910845445.2A CN201910845445A CN112456198A CN 112456198 A CN112456198 A CN 112456198A CN 201910845445 A CN201910845445 A CN 201910845445A CN 112456198 A CN112456198 A CN 112456198A
- Authority
- CN
- China
- Prior art keywords
- core
- shell
- paper
- roller
- tightener
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- B65H18/00—Winding webs
- B65H18/08—Web-winding mechanisms
- B65H18/26—Mechanisms for controlling contact pressure on winding-web package, e.g. for regulating the quantity of air between web layers
Landscapes
- Replacement Of Web Rolls (AREA)
Abstract
The invention discloses a paper core tightener, which relates to the technical field of paper roll processing and solves the problem of loosening and coiling of cores after slitting in the production process of a paper roll winding drum. When the paper core tightener is inserted into the paper core of the paper plate, the roller is contacted with the inner wall of the paper core, the rotating core is twisted, so that the roller can tighten the paper core, and the paper core generates a rotating force through friction force, so that the paper plate is twisted tightly.
Description
Technical Field
The invention relates to the technical field of paper roll processing, in particular to a paper core tightener.
Background
At present, composite and printed products produced in factory workshops are cut into reel products with different specifications, in the process of cutting the reel products, the used paper cores are likely to cause core loosening due to the fact that the inner diameter and the outer diameter of the used paper cores have errors (within a process allowable error range), the width and the loose edge of a semi-finished product, equipment design tension parameters and the like, and in order to solve the problem, the paper cores can be rewound once again, so that the consumed manpower is large, the cost is increased, if a tool can be invented, the core loosening discs are twisted tightly after the reel products are cut, time and labor are saved, and the cost is reduced.
Disclosure of Invention
In view of the above disadvantages, the present invention provides a paper core tightener capable of tightening a paper tray with loose cores.
In order to achieve the purpose, the invention adopts the following technical scheme:
a paper core tightener comprises a shell, wherein the shell is cylindrical and hollow, the upper end of the shell is open, a plurality of placing grooves penetrating through the inner side wall and the outer side wall of the shell are uniformly formed in the side wall of the shell, the placing grooves are cylindrical, the axial direction of the placing grooves is consistent with the axial direction of the shell, and the upper ends of the placing grooves penetrate through the upper end of the shell; a cylindrical roller is placed in the placing groove, the axial direction of the roller is consistent with the axial direction of the placing groove, one part of the periphery of the roller protrudes out of the outer side wall of the shell, and the other part of the periphery of the roller protrudes out of the inner side wall of the shell; the hollow part of the shell is provided with a regular polygonal columnar rotating core, and the outer peripheral surface of the rotating core and the outer periphery of the roller are in contact with each other, so that the roller can be tensioned outwards when the rotating core is twisted.
Further, the outer circumferential surface of the roller is provided with knurling.
Further, the rotary core is of a three-layer columnar boss structure with a large middle part and small two ends, bosses at the two ends are circular, the lower end of the shell is open, an inward convex edge is arranged at the open lower end of the shell, and the inner side of the convex edge is in contact with the bottom of the large middle part of the rotary core, so that the rotary core cannot move downwards.
Preferably, the paper core tightener further comprises a circular end cover fixedly mounted on the upper end of the housing; the middle part of the end cover is provided with a through hole, and the diameter of the through hole is smaller than that of the boss which is large in the middle of the rotary core and larger than that of the boss which is small in the upper end of the rotary core.
Preferably, the handle is positioned at the upper end of the rotating core and is coaxially and fixedly connected with the rotating core.
Furthermore, the handle comprises a vertical rod and a torsion bar fixedly connected to the upper end of the vertical rod, the torsion bar is perpendicular to the vertical rod, and the lower end of the vertical rod is fixedly connected to the upper end of the rotating core and coaxial with the rotating core.
Compared with the prior art, the invention has the beneficial effects that:
when the paper disc loosening device is used, the paper core tightener is inserted into the paper disc paper core of the paper disc loosening disc, the inner wall of the paper core is contacted with the roller, the rotating core is twisted to enable the outer peripheral surface of the rotating core to be tightly contacted with the roller and the roller to be outwards tightened, the roller is more tightly contacted with the inner wall of the paper core, the paper core and the paper core tightener rotate together through friction force, and the paper disc is further tightened.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic view of a paper core tightener according to the present invention;
FIG. 2 is a schematic view of the paper core tightener of the present invention;
FIG. 3 is a schematic structural view of the housing of the present invention;
FIG. 4 is a schematic view of the construction of the roller according to the present invention;
FIG. 5 is a schematic view of a rotary core according to the present invention;
fig. 6 is a schematic diagram of the present invention.
The labels shown in the figures are: 1-handle, 2-end cover, 3-shell, 4-roller, 5-rotary core, 6-placing groove, 7-convex edge, 8-paper disc, 9-paper core, 11-vertical rod and 12-torsion rod.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. 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.
As shown in fig. 1 to 5, the paper core tightener of the present invention comprises a housing 3, the housing 3 is cylindrical and hollow, and has an open upper end, the side wall of the housing 3 is uniformly provided with a plurality of placing slots 6 penetrating the inner side wall and the outer side wall of the housing 3, preferably 8 placing slots 6, the placing slots 6 are cylindrical, the axial direction of the placing slots 6 is the same as the axial direction of the housing 3, and the upper end of the placing slots 6 penetrates the upper end of the housing 3. Cylindrical rollers 4 are placed in the placing grooves 6, two ends of each roller are chamfered, the axial direction of each roller 4 is consistent with the axial direction of the placing grooves 3, one part of the periphery of each roller 4 protrudes out of the outer side wall of the shell 3, and one part of the periphery of each roller protrudes out of the inner side wall of the shell 3. The roller 4 can be made of polyurethane material, which can reduce weight. The hollow part of the shell 3 is provided with a rotating core 5 in a regular polygon column shape, the rotating core 5 is preferably in a regular octagon column structure, and the outer peripheral surface of the rotating core 5 and the outer peripheral surface of the roller 4 are contacted with each other, so that the roller 4 can be tensioned outwards when the rotating core 5 is twisted.
As shown in fig. 6, when the produced paper tray 8 has loose core, the paper tray 8 is horizontally placed, the paper core tightener is inserted into the paper core 9, the inner wall of the paper core 9 contacts with the roller 4, then the tray surface of the paper tray 8 is pressed to prevent the paper tray 8 from rotating and moving, the rotary core 5 is twisted in the direction of rolling the paper tray 8, the outer circumferential surface of the rotary core 5 is tightly contacted with the roller 4, the roller 4 is outwards tightened, the roller 4 which is outwards tightened tensions the paper core 9, so that the roller 4 is more tightly contacted with the inner wall of the paper core 9, the paper core 9 is driven to rotate together with the whole paper core tightener by the friction force between the inner wall of the paper core 9 and the roller 4, the paper tray 8 is gradually tightened, and the rotary core 5, the roller 4 and the shell 3 of the paper core tightener rotate together as a whole during the rotation. When the paper core tightener is twisted by force and is difficult to twist again, the paper disc 8 is well tightened, the problem that the core of the paper disc 8 is loosened is solved, rewinding is not needed, and much time and labor cost are saved.
In the preferred embodiment, the rotary core 5 is a three-layer column-shaped boss structure with a large middle part and small two ends, and the bosses at the two ends are circular. The lower extreme of shell 3 is uncovered, and the uncovered department of the lower extreme of shell 3 is equipped with inside protruding edge 7, and the inboard of protruding edge 7 contacts with the bottom of the middle big boss of commentaries on classics core 5 to make commentaries on classics core 5 can not move down, and the little boss of lower extreme passes shell 3 lower extreme uncovered, nevertheless can not outstanding in the uncovered of shell 3 lower extreme. Therefore, the rotary core 5 is a three-layer columnar boss structure with a large middle part and small two ends, which is beneficial to the stability and the twisting of the rotary core 5.
In some preferred embodiments, the center of the rotating core 5 is preferably made into a cylindrical through hole structure penetrating through two ends, so as to reduce the weight and facilitate the operation, and another function is to stabilize the paper core tightener, namely, in the implementation, a straight rod with the length being as much as the height of the rotating core 5 (a little shorter) and the diameter being as much as the through hole at the center of the rotating core 5 (a little smaller) can be fixed on a horizontal plane, when the paper disc 8 is placed, the straight rod is positioned in the paper core 9, then the paper core tightener is inserted into the paper core 9 of the paper disc 8, and the straight rod is inserted into the through hole of the rotating core 5 of the paper core tightener, so as to solve the problem that the paper core tightener may move in the twisting process, thereby well stabilizing the paper core tightener.
The outer circumferential surface of the roller 4 is provided with knurling for increasing frictional force.
The paper core tightener further comprises a circular end cover 2, the end cover 2 is fixedly installed at the upper end of the shell 3 through bolts, a through hole is formed in the middle of the end cover 2, the diameter of the through hole is smaller than that of a boss in the middle of the rotary core 5 and larger than that of a boss in the upper end of the rotary core 5. The small boss at the upper end of the rotary core 5 passes through the through hole of the end cover 2, and the bottom of the end cover 2 contacts with the upper end of the housing 3 and the top of the large part in the middle of the rotary core 5, so that the end cover 2 can prevent the rotary core 5 from moving up and down, and the end cover 2 can also prevent the rollers 4 from moving up and down. The end cap 2 also blocks the upper end of the placing groove 3, so that the roller 4 can be prevented from falling out of the placing groove 3.
The paper core tightener also comprises a handle 1 which is positioned at the upper end of the rotating core 5 and is coaxially and fixedly connected with the rotating core 5. Handle 1 is including a montant 11 and fixed connection in the torsion bar 12 of the upper end of montant 11, and torsion bar 12 is mutually perpendicular with montant 11, and the lower extreme of montant 11 passes through welding mode fixed connection in the upper end of changeing core 5, and coaxial with changeing core 5, is convenient for wrench movement through handle 1 and changes core 5, drives the rotation of paper core dish tightener, and then tightens up paper dish 8 labour saving and time saving.
The paper core tightener is simple in structure, the manufacturing process mainly includes the steps that various size accuracies of the rotary core 5, the rollers 4 and the shell 3 are well held, in the assembling process of the paper core tightener of the specific embodiment, the rotary core 5 of the paper core tightener is firstly plugged into the shell 3 of the paper core tightener, then 8 polyurethane rollers 4 are placed into the placing groove 6, then the end cover 2 of the paper core tightener is covered, the M3 screw is locked, then the handle 1 is welded on the rotary core 5, and the whole paper core tightener is assembled. The handle 1 can be made of a vertical rod 11 and a torsion bar 12, the vertical rod 11 is welded on the rotating core 5 of the paper core tightener, and finally the torsion bar 12 is welded on the uppermost end transversely.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (6)
1. A paper core tightener characterized by: the device comprises a shell (3), wherein the shell (3) is integrally cylindrical, the interior of the shell is hollow, the upper end of the shell is open, a plurality of placing grooves (6) penetrating through the inner side wall and the outer side wall of the shell (3) are uniformly formed in the side wall of the shell (3), the placing grooves (3) are cylindrical, the axial direction of the placing grooves (6) is consistent with the axial direction of the shell (3), and the upper ends of the placing grooves (6) penetrate through the upper end of the shell (3);
a cylindrical roller (4) is placed in the placing groove (6), the axial direction of the roller (4) is consistent with the axial direction of the placing groove (3), one part of the periphery of the roller (4) protrudes out of the outer side wall of the shell (3), and the other part of the periphery of the roller protrudes out of the inner side wall of the shell (3);
the hollow part of the shell (3) is provided with a regular polygonal columnar rotating core (5), and the peripheral surface of the rotating core (5) and the peripheral surface of the roller (4) are in contact with each other, so that the roller (4) can be tensioned outwards when the rotating core (5) is twisted.
2. The paper core tightener according to claim 1, characterized in that: the outer peripheral surface of the roller (4) is provided with knurling.
3. The paper core tightener according to claim 1, characterized in that: it is big to change core (5), the three-layer column boss structure that both ends are little, and the both ends boss is circular, the lower extreme of shell (3) is uncovered, the uncovered department of the lower extreme of shell (3) is equipped with inside protruding edge (7), the inboard of protruding edge (7) with the bottom contact of the big part in the middle of changeing core (5), so that it can not the downstream to change core (5).
4. The paper core tightener according to claim 3, characterized in that: the device also comprises a circular end cover (2), wherein the end cover (2) is fixedly arranged at the upper end of the shell (3);
the middle part of the end cover (2) is provided with a through hole, the diameter of the through hole is smaller than that of the boss which is arranged in the middle of the rotary core (5) and larger than that of the boss which is arranged at the upper end of the rotary core (5).
5. The paper core tightener according to claim 1, characterized in that: the handle is characterized by also comprising a handle (1) which is positioned at the upper end of the rotating core (5) and is coaxially and fixedly connected with the rotating core (5).
6. The paper core tightener according to claim 5, characterized in that: handle (1) including a montant (11) and fixed connection be in torsion bar (12) of the upper end of montant (11), torsion bar (12) with montant (11) are mutually perpendicular, the lower extreme fixed connection of montant (11) be in the upper end of changeing core (5), and with it is coaxial to change core (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845445.2A CN112456198A (en) | 2019-09-09 | 2019-09-09 | Paper core tightener |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910845445.2A CN112456198A (en) | 2019-09-09 | 2019-09-09 | Paper core tightener |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112456198A true CN112456198A (en) | 2021-03-09 |
Family
ID=74806974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910845445.2A Pending CN112456198A (en) | 2019-09-09 | 2019-09-09 | Paper core tightener |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112456198A (en) |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006565A (en) * | 1960-06-30 | 1961-10-31 | Eugene V Pelletier | Bobbin clutch |
| GB1083449A (en) * | 1965-07-23 | 1967-09-13 | Neapco Products Inc | Ball bearing slip drive |
| GB1390371A (en) * | 1971-02-11 | 1975-04-09 | Barmag Barmer Maschf | Textile machine having a rotatable winding shaft |
| US3963250A (en) * | 1972-04-03 | 1976-06-15 | Double E Company, Inc. | Chuck |
| DE2809947A1 (en) * | 1978-03-08 | 1979-09-13 | Torres Martinez M | Coiled material strip mounting - has expanding segmented cylindrical mandrel fitting on polygonal section spindle and including internal thruster balls or needles |
| SE8005347L (en) * | 1979-07-24 | 1981-01-25 | Jagenberg Werke Ag | DEVICE FOR FIXED VOLTAGE OF RUBRIC WINDING COILS |
| US4635872A (en) * | 1983-08-13 | 1987-01-13 | Jagenberg Ag | Device for tensioning core tubes |
| DE102005021077A1 (en) * | 2005-05-06 | 2006-11-09 | Kampf Gmbh & Co Maschinenfabrik | Clamping head for a slitter winder and winding machine |
| CN201190743Y (en) * | 2008-03-31 | 2009-02-04 | 刘跃群 | Friction induction type shift fork roller clutch |
| CN101988548A (en) * | 2010-08-13 | 2011-03-23 | 南通众联科技服务有限公司 | Overrunning coupler |
| CN103038530A (en) * | 2010-06-22 | 2013-04-10 | 罗托克控制有限公司 | Improvements in and relating to anti back-drive couplings |
| CN104080689A (en) * | 2012-01-31 | 2014-10-01 | 丰田自动车株式会社 | Vehicle steering control device |
| CN204878430U (en) * | 2015-07-09 | 2015-12-16 | 武君 | Two -way freewheel clutch |
| CN106015391A (en) * | 2016-07-15 | 2016-10-12 | 苏州博睿测控设备有限公司 | Double-way self-locking clutch and operation method thereof |
| CN107225538A (en) * | 2017-07-17 | 2017-10-03 | 群胜科技（苏州）有限公司 | Electric tool spindle locking device |
| CN206886307U (en) * | 2017-06-29 | 2018-01-16 | 象山黎升纸业科技有限公司 | Process equipment without paper core roll paper |
| CN207467799U (en) * | 2017-10-14 | 2018-06-08 | 湖南鹤祥包装有限公司 | The rotating clamp of processing is loosened for internal lining paper refill |
| CN113280040A (en) * | 2021-05-06 | 2021-08-20 | 东莞市豫哲信五金塑胶制品有限公司 | Power shaft sleeve |
-
2019
- 2019-09-09 CN CN201910845445.2A patent/CN112456198A/en active Pending
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3006565A (en) * | 1960-06-30 | 1961-10-31 | Eugene V Pelletier | Bobbin clutch |
| GB1083449A (en) * | 1965-07-23 | 1967-09-13 | Neapco Products Inc | Ball bearing slip drive |
| GB1390371A (en) * | 1971-02-11 | 1975-04-09 | Barmag Barmer Maschf | Textile machine having a rotatable winding shaft |
| US3963250A (en) * | 1972-04-03 | 1976-06-15 | Double E Company, Inc. | Chuck |
| DE2809947A1 (en) * | 1978-03-08 | 1979-09-13 | Torres Martinez M | Coiled material strip mounting - has expanding segmented cylindrical mandrel fitting on polygonal section spindle and including internal thruster balls or needles |
| SE8005347L (en) * | 1979-07-24 | 1981-01-25 | Jagenberg Werke Ag | DEVICE FOR FIXED VOLTAGE OF RUBRIC WINDING COILS |
| CH645863A5 (en) * | 1979-07-24 | 1984-10-31 | Jagenberg Werke Ag | DEVICE FOR CLAMPING TUBULAR WINDING CORES. |
| US4635872A (en) * | 1983-08-13 | 1987-01-13 | Jagenberg Ag | Device for tensioning core tubes |
| DE102005021077A1 (en) * | 2005-05-06 | 2006-11-09 | Kampf Gmbh & Co Maschinenfabrik | Clamping head for a slitter winder and winding machine |
| CN201190743Y (en) * | 2008-03-31 | 2009-02-04 | 刘跃群 | Friction induction type shift fork roller clutch |
| CN103038530A (en) * | 2010-06-22 | 2013-04-10 | 罗托克控制有限公司 | Improvements in and relating to anti back-drive couplings |
| CN101988548A (en) * | 2010-08-13 | 2011-03-23 | 南通众联科技服务有限公司 | Overrunning coupler |
| CN104080689A (en) * | 2012-01-31 | 2014-10-01 | 丰田自动车株式会社 | Vehicle steering control device |
| CN204878430U (en) * | 2015-07-09 | 2015-12-16 | 武君 | Two -way freewheel clutch |
| CN106015391A (en) * | 2016-07-15 | 2016-10-12 | 苏州博睿测控设备有限公司 | Double-way self-locking clutch and operation method thereof |
| CN206886307U (en) * | 2017-06-29 | 2018-01-16 | 象山黎升纸业科技有限公司 | Process equipment without paper core roll paper |
| CN107225538A (en) * | 2017-07-17 | 2017-10-03 | 群胜科技（苏州）有限公司 | Electric tool spindle locking device |
| CN207467799U (en) * | 2017-10-14 | 2018-06-08 | 湖南鹤祥包装有限公司 | The rotating clamp of processing is loosened for internal lining paper refill |
| CN113280040A (en) * | 2021-05-06 | 2021-08-20 | 东莞市豫哲信五金塑胶制品有限公司 | Power shaft sleeve |
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| 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: 20210309 |
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| RJ01 | Rejection of invention patent application after publication |