CN220334248U - Paper roll center paper tube fixing roller - Google Patents
Paper roll center paper tube fixing roller Download PDFInfo
- Publication number
- CN220334248U CN220334248U CN202322047538.5U CN202322047538U CN220334248U CN 220334248 U CN220334248 U CN 220334248U CN 202322047538 U CN202322047538 U CN 202322047538U CN 220334248 U CN220334248 U CN 220334248U
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- roller
- paper
- central shaft
- extension
- shaft roller
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- 239000000835 fiber Substances 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 8
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 238000004804 winding Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Replacement Of Web Rolls (AREA)
- Unwinding Webs (AREA)
Abstract
The utility model discloses a paper roll center paper tube fixing roller, which relates to the field of paper roll rewinding carrier rollers and comprises a center shaft roller for sleeving paper cores; the two ends of the central shaft roller can be locked and sleeved with a rotating roller group; one end of the rotating roller set is fixedly connected with a plurality of groups of extension sleeves along the axial direction; the extension sleeve is sleeved on the central shaft roller; the central shaft roller is used as a sleeve shaft of the paper core, and the clamping function of the air expansion shaft is replaced by clamping the two sides of the paper core by means of the rotating roller group and the extension sleeve; meanwhile, the sleeve is extended to make up for different numbers of paper cores which are required to be placed and are suitable for different paper cutting widths, adaptability is improved, and the position of the paper cores is not required to be further positioned relative to the symmetrical distribution of the central shaft roller; the whole detachable and lockable sleeving mode simplifies the operation steps and further accelerates the working efficiency of staff.
Description
Technical Field
The utility model relates to the field of rewinding carrier rollers of rewinders, in particular to a paper roll center paper tube fixing roller.
Background
The slitting rewinder is used as a paper slitting device for slitting and cutting raw paper into a plurality of equal parts, and is widely applied to the fields of paper, printing and the like; the rewinding mechanism of the slitting rewinder usually adopts an air expansion shaft, namely an expansion shaft, which is a special winding and unwinding shaft, namely a shaft with a raised surface after high-pressure inflation and a shaft with a quickly retracted surface after deflation; however, when making small-diameter paper rolls such as a sticky roll and a label roll, the rewinding is realized in 20-30 seconds due to extremely short time from paper core roll to paper roll on a rewinding machine and high roll forming speed, and if an air expansion shaft is used as a rewinding mechanism, the paper rolls are required to be frequently wound and unwound in a short time; meanwhile, the position of the roll paper needs to be accurately adjusted to perform inflation and deflation of the roll paper; therefore, the operation process of workers is more complicated, the labor intensity is higher, and the working efficiency is lower.
Disclosure of Invention
The utility model provides a paper roll center paper tube fixing roller, which aims to solve the technical problems that the paper roll frequency of a small paper roll is high, the operation of an air expansion shaft is complex, and the actual use requirement is not met.
The technical problems of the utility model are realized by the following technical scheme: a paper roll center paper tube fixing roller comprises a center shaft roller for sleeving a paper core; the two ends of the central shaft roller are sleeved with a rotating roller set in a locking way; one end of the rotating roller set is fixedly connected with a plurality of groups of extension sleeves along the axial direction; the extension sleeve is sleeved on the central shaft roller.
By using the technical scheme, the central paper cylinder fixing roller of the paper roll replaces an air expansion shaft, the central shaft roller is used as a sleeved shaft of the paper core, and the clamping function of the air expansion shaft is replaced by clamping the two sides of the paper core by means of the rotating roller group and the extension sleeve; meanwhile, the sleeve is extended to make up for different numbers of paper cores which are required to be placed and are suitable for different paper cutting widths, adaptability is improved, and the position of the paper cores is not required to be further positioned relative to the symmetrical distribution of the central shaft roller; the whole detachable and lockable sleeving mode simplifies the operation steps and further accelerates the working efficiency of staff.
Preferably, the extension sleeve comprises an extension cylinder; an extension external thread part is arranged on one side of the extension cylinder; the other side is provided with an extension internal thread part; and the extension external thread part adjacent to the extension sleeve is in threaded connection with the extension internal thread part.
Through the technical scheme, the connecting pipe structure in threaded connection is adopted, and the number of the extension sleeves can be adjusted according to the number of paper cores placed on the central shaft roller, so that the adjustment on the number of the paper cores and the width of different paper sheets can be adapted.
Preferably, the rotating roller group comprises a rotating roller, a limiting ring and an auxiliary rotating wheel; the rotating roller is sleeved at the end part of the central shaft roller in a locking way; the limiting ring is arranged at the outer side part of the rotary roller;
one end of the rotary roller is in threaded connection with the extension sleeve, and the other end of the rotary roller is rotatably provided with an auxiliary rotating wheel.
By using the technical scheme, the limiting wheel is used for limiting the axial displacement of the central shaft roller by combining the unpowered carrier roller of the rewinder; the large-area deviation generated in the paper winding process is prevented, and the roller is rotated, so that the central shaft roller is assisted to rotate, and the rotating smoothness is ensured.
Preferably, an outer thread part of the shaft roller is arranged at the end part of the central shaft roller, and the outer thread part of the shaft roller is in threaded connection with the inner cavity of the rotary roller.
Preferably, a roller internal thread part is arranged in the inner cavity of the rotary roller near one side of the auxiliary rotating wheel, and the roller internal thread part is in threaded connection with the shaft roller external thread part.
Preferably, the number of turns of the thread part in the roller is not more than 4.
Through the technical scheme, the central shaft roller is in threaded connection with the rotary roller, so that the paper core can be quickly detached, and the paper core is conveniently sleeved on the central shaft roller, or the paper roll after the paper core is rolled is taken down in time; meanwhile, the number of turns of threads of the internal threads of the roller is small, so that unnecessary excessive locking is avoided, and winding and unwinding progress is accelerated.
Preferably, a key groove part is arranged at the end part of the central shaft roller, and the key groove part is connected with the inner cavity of the rotary roller in a plug-in mode.
Preferably, a key inserting part is arranged in the inner cavity of the rotary roller close to one side of the auxiliary rotating wheel, and the key inserting part is matched with the key groove part.
Through the technical scheme, the central shaft roller is connected with the rotary roller in a plugging and unplugging manner, so that the paper core can be quickly detached, and is conveniently sleeved on the central shaft roller, or the paper roll after the paper core is rolled is timely taken down; the winding and unwinding progress is quickened.
In summary, the utility model has the following beneficial effects:
1. the central paper roll fixing roller replaces an air expansion shaft, the central shaft roller is used as a sleeve shaft of the paper core, and the clamping function of the air expansion shaft is replaced by clamping the two sides of the paper core by means of the rotating roller group and the extension sleeve; meanwhile, the sleeve is extended to make up for different numbers of paper cores which are required to be placed and are suitable for different paper cutting widths, adaptability is improved, and the position of the paper cores is not required to be further positioned relative to the symmetrical distribution of the central shaft roller; the whole detachable and lockable sleeving mode simplifies the operation steps and further accelerates the working efficiency of staff.
2. Furthermore, the number of the extension sleeves can be adjusted according to the number of the paper cores placed on the central shaft roller by adopting a threaded connection pipe structure, so that the adjustment on different paper widths and the number of the paper cores can be adapted; the limiting wheel is used for limiting the axial displacement of the central shaft roller by combining an unpowered carrier roller of the rewinder; the large-area deviation generated in the paper winding process is prevented, and the roller is rotated, so that the central shaft roller is assisted to rotate, and the rotating smoothness is ensured.
3. The central shaft roller is connected with the rotating roller in a threaded manner or in a matched manner, so that the paper core can be quickly disassembled, and the central shaft roller is conveniently sleeved with the paper core, or the paper roll after the paper core is rolled is timely taken down; thereby avoiding unnecessary excessive locking and accelerating the winding and unwinding progress.
Drawings
FIG. 1 is a schematic view of the structure of a fixed roll of a central paper roll of the utility model;
FIG. 2 is a side view of the structure of embodiment 2;
fig. 3 is a schematic structural view of embodiment 2;
FIG. 4 is a schematic view of an extension sleeve;
fig. 5 is a top view showing a state of the roll paper of the central paper tube fixed roll of the paper roll;
fig. 6 is a plan view showing a state of the roll paper in the central paper tube fixed roll.
Reference numerals illustrate:
1. a center shaft roller; 11. an external thread part of the shaft roller; 12. a key groove part; 2. a rotating roller group; 21. rotating the roller; 211. a roller internal thread part; 212. a key insertion part; 22. a limiting ring; 23. an auxiliary rotating wheel; 3. extending the sleeve; 31. extending the cylinder; 32. extending the external thread portion; 33. extending the internal thread portion; 4. an unpowered carrier roller; 5. a power idler; 6. and a limiting frame.
Detailed Description
In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.
Example 1:
the embodiment discloses a paper roll center paper tube fixing roller, which is shown in fig. 1-4 and comprises a center shaft roller 1; the central shaft roller 1 is used as a sleeve shaft of the paper core; a plurality of paper cores are sleeved on the paper core; two sets of rotating roller sets 2 are sleeved at the two ends of the central shaft roller 1 in a lockable manner; the rotating roller set 2 is used as an overhanging part and can movably rotate on the inner side of the rewinder frame; one end of the rotating roller set 2 is fixedly connected with an extension sleeve 3; extension sleeves 3 which can be spliced and connected are respectively arranged on the rotating roller groups 2 at two sides; the extension sleeve 3 is sleeved on the central shaft roller 1, the extension sleeve 3 between two sides is used for clamping and arranging paper cores, and meanwhile, the number of the extension sleeves 3 is increased or decreased at will so as to achieve the effect of adjusting the number of the paper cores.
As an embodiment, as shown in fig. 4, the extension sleeve 3 includes an extension cylinder 31; the length of the extension cylinder 31 may be the axial length of a standard paper core; when an extension cylinder 31 is added, the length distance of a paper core can be replaced; one side of the extension cylinder 31 is provided with an extension external thread part 32, and the extension external thread part 32 is an external thread arranged at the outer side end part of the extension cylinder 31; an extension internal thread part 33 is arranged on the other corresponding side and is arranged in the inner cavity of the extension cylinder 31; the extension male screw portion 32 of the adjacent two extension sleeves 3 on the same side is screw-connected with the extension female screw portion 33.
As an embodiment, the extension sleeve 3 connected with the connecting end of the rotating roller set 2 may be connected by a screw connection or a welding integrated fixing manner; the maximum diameter of the extension sleeve 3 sleeved on the central shaft roller 1 is not smaller than the diameter of the inner ring sleeved on the paper core, so that the paper core can be clamped and prevented from sliding.
As one embodiment, the rotating roller set 2 includes a rotating roller 21, a limit ring 22, and an auxiliary rotating wheel 23; the rotary roller 21 is sleeved at the end part of the central shaft roller 1 in a locking way; the limiting ring 22 is arranged at the outer side part of the rotary roller 21; the limiting ring 22 is positioned at the outer side of the roller body of the unpowered carrier roller 4 of the rewinder; the limiting rings 22 on the two sides are used for preventing the central shaft roller 1 from excessively traversing in the paper winding process; one end of the rotary roller 21 is in threaded connection or fixedly connected with the extension sleeve 3, the other end of the rotary roller is rotatably provided with an auxiliary rotating wheel 23, the auxiliary rotating wheel 23 can adopt a bearing to carry out auxiliary sliding in the process of rotating the central shaft roller 1 to roll paper, and excessive friction between the central shaft roller and the limiting frame 6 of the rewinder in a roll paper state is prevented.
The working process of the paper roll center paper tube fixing roller of the embodiment is that, as shown in fig. 5, a paper roll state schematic diagram is adopted; the central paper tube fixing roller is arranged between the two groups of unpowered carrier rollers 4, the powered carrier rollers 5 provide paper rolling power, and the driven roller drives the unpowered carrier rollers 4 to rotate so as to realize paper rolling; the limiting frames 6 positioned at the two sides of the rewinder prevent the central paper tube fixing roller from moving to the side of the power carrier roller 5, and the side far away from the power carrier roller 5 is a material taking end, as shown in fig. 6, when the paper rolling is finished, the central paper tube fixing roller is pulled out horizontally, and meanwhile, the other central paper tube fixing roller is placed between the two groups of unpowered carrier rollers 4, so that the other central paper tube fixing roller is positioned between the two groups of unpowered carrier rollers 4; cutting the paper along the dotted line, and adhering and fixing the cutting interface; the central paper tube fixing roller on the rewinder continues to roll paper, and the central paper tube fixing roller which has finished the roll paper takes off the roll paper and replaces a new paper core to prepare the roll paper for standby.
Example 2: on the basis of the embodiment 1, the further improvement of the embodiment is that:
as shown in fig. 2, the end of the center shaft roller 1 is provided with a shaft roller male screw portion 11, and the shaft roller male screw portion 11 is screwed with the inner cavity of the rotary drum 21. Specifically, the method comprises the following steps of; the inner cavity of the rotary roller 21, which is close to one side of the auxiliary rotating wheel 23, is provided with a roller inner threaded part 211, and the roller inner threaded part 211 is in threaded connection with the shaft roller outer threaded part 11, so that a detachable locking structure is formed between the central shaft roller 1 and the rotary roller group 2; the number of the thread turns of the roller inner thread part 211 is not more than 4, so that the locking requirement can be met, and meanwhile, the unnecessary waste of the winding and unwinding time in the locking operation can be avoided.
The unreeling working mode of the embodiment is as follows: after the paper roll is rewound at the rewinding part of the rewinder; manually pulling the central shaft roller 1 away from the rewinding part, and placing a new central paper cylinder with the paper core completely installed on the rewinding part; controlling a cutting tool to cut off the paper roll, and adhering and bonding the cut paper roll; the rotating roller group 2 at one side part is unscrewed; the paper roll is taken down by a central shaft roller 1; then a certain number of paper cores are placed; the rotating roller set 2 is retightened.
Example 3; on the basis of embodiment 1, the further improvement of this embodiment relative to embodiment 2 is that:
as shown in fig. 3, the end of the center shaft roller 1 is provided with a key groove 12, and the key groove 12 is connected with the inner cavity of the rotary drum 21 in a plug-in manner. The method comprises the following specific steps: the inner cavity of the rotary roller 21 near one side of the auxiliary rotating wheel 23 is provided with a key inserting part 212, and the key inserting part 212 is matched with the key groove part 12.
The unreeling working mode of the embodiment is as follows: after the paper roll is rewound at the rewinding part of the rewinder; manually pulling the central shaft roller 1 away from the rewinding part, and placing a new central paper cylinder with the paper core completely installed on the rewinding part; controlling a cutting tool to cut off the paper roll, and adhering and bonding the cut paper roll; pulling out the rotating roller set at one side; the paper roll is taken down by a central shaft roller 1; then a certain number of paper cores are placed; and inserting a rotating roller set.
The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification and equivalent changes to the above-mentioned embodiments according to the technical substance of the present utility model are still within the protection scope of the technical solution of the present utility model.
Claims (8)
1. The utility model provides a fixed roller of scroll center fiber container which characterized in that: comprises a central shaft roller (1) for sleeving a paper core; the two ends of the central shaft roller (1) are sleeved with a rotating roller set (2) in a locking way; one end of the rotating roller set (2) is fixedly connected with an extension sleeve (3); the extension sleeve (3) is sleeved on the central shaft roller (1).
2. A roll center cartridge holder according to claim 1, wherein: the extension sleeve (3) comprises an extension cylinder (31); an extension external thread part (32) is arranged on one side of the extension cylinder body (31); the other side is provided with an extension internal thread part (33); an extension external thread part (32) adjacent to the extension sleeve (3) is in threaded connection with an extension internal thread part (33).
3. A roll center cartridge holder according to claim 1, wherein: the rotating roller set (2) comprises a rotating roller (21), a limiting ring (22) and an auxiliary rotating wheel (23); the rotating roller (21) is sleeved at the end part of the central shaft roller (1) in a locking way; the limiting ring (22) is arranged on the outer side part of the rotary roller (21);
one end of the rotary roller (21) is in threaded connection with the extension sleeve (3), and the other end of the rotary roller is rotatably provided with the auxiliary rotating wheel (23).
4. A roll center cartridge holder according to claim 3, wherein: the end part of the central shaft roller (1) is provided with a shaft roller external thread part (11), and the shaft roller external thread part (11) is in threaded connection with the inner cavity of the rotary roller (21).
5. A roll center cartridge holder according to claim 4, wherein: an inner cavity of the rotary roller (21) close to one side of the auxiliary rotating wheel (23) is provided with a roller inner threaded part (211), and the roller inner threaded part (211) is in threaded connection with the shaft roller outer threaded part (11).
6. A roll center cartridge holder according to claim 5, wherein: the number of the screw thread turns of the inner screw thread part (211) of the roller is not more than 4.
7. A roll center cartridge holder according to claim 3, wherein: the end part of the central shaft roller (1) is provided with a key groove part (12), and the key groove part (12) is connected with the inner cavity of the rotary roller (21) in an inserting and pulling way.
8. A roll center cartridge holder according to claim 7, wherein: an inner cavity of the rotary roller (21) close to one side of the auxiliary rotating wheel (23) is provided with a key inserting part (212), and the key inserting part (212) is matched with the key groove part (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047538.5U CN220334248U (en) | 2023-08-01 | 2023-08-01 | Paper roll center paper tube fixing roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047538.5U CN220334248U (en) | 2023-08-01 | 2023-08-01 | Paper roll center paper tube fixing roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220334248U true CN220334248U (en) | 2024-01-12 |
Family
ID=89457065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047538.5U Active CN220334248U (en) | 2023-08-01 | 2023-08-01 | Paper roll center paper tube fixing roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220334248U (en) |
-
2023
- 2023-08-01 CN CN202322047538.5U patent/CN220334248U/en active Active
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