CN201703895U - Coreless paper roll rewinding machine using airflow for assisting roll lifting - Google Patents
Coreless paper roll rewinding machine using airflow for assisting roll lifting Download PDFInfo
- Publication number
- CN201703895U CN201703895U CN2010202039963U CN201020203996U CN201703895U CN 201703895 U CN201703895 U CN 201703895U CN 2010202039963 U CN2010202039963 U CN 2010202039963U CN 201020203996 U CN201020203996 U CN 201020203996U CN 201703895 U CN201703895 U CN 201703895U
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- roll
- rewinding
- air suctiton
- suctiton inlet
- roller
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- Winding Of Webs (AREA)
Abstract
A coreless paper roll rewinding machine using airflow for assisting roll lifting is mainly characterized in that an air pipe blowing air downwards is arranged above a lower rewinding roller, a gap between an upper rewinding roller and the lower rewinding roller is not larger than 10 millimeters, a plurality of airflow channels are distributed inside a roller body of the upper rewinding roller, a plurality of sets of air sucking ports are distributed on the surface of the roller body, the air sucking ports of each set are arrayed into one row or a plurality of rows along the length direction of the roller body and respectively communicated with the airflow channels inside the roller body, an air sucking cover is arranged at the end position, close to the upper rewinding roller, of each set of the air sucking ports, and the airflow channels inside the roller body are alternately communicated or disconnected with the air sucking ports of the air sucking covers along with rotation of the upper rewinding roller. The coreless paper roll rewinding machine does not rely on support of a winding assisting plate during a whole rewinding process from roll lifting to completion of rewinding, does not change the gap between the upper rewinding roller and the lower rewinding roller, and has the advantages of high roll lifting reliability, stable rewinding, even tightness of a core of a paper roll without pressing marks pressed on the surface of the paper roll and the like.
Description
Technical field
The utility model relates to rewinding machine, particularly can be used for the rewinding machine of production coreless rolls.
Background technology
The characteristics of coreless rolls are that the centre of paper roll does not have spool.Existing rewinding machine helps roll bending to finish the roll set process by one in this class paper roll of rewinding.For example the patent No. is 94101338.3, name is called the patent of " having the surface of supporting reel in winding process; be used for the improved rewinding machine of log of web material coreless winding ", its disclosed rewinding machine (is called " coiling roller 1; 3 in the roll set stage with rewinding top roll and rewinding lower roll in this patent ") draw close together temporarily, and rely on one to help roll bending (being called " support surface 21 " in this patent) that the paper head is scooped up from the rewinding lower roll, so could realize roll set, need also behind the roll set that rewinding top roll and rewinding lower roll are reset to the normal position and could continue rewinding.This dependence helps the rewinding machine of roll bending roll set to have following problem: 1, must change the roll gap between rewinding top roll and the rewinding lower roll from the process that is rolled onto normal rewinding, cause paper roll in stressed instability of the initial stage of rewinding, cause the rewinding failure easily; 2, help roll bending to support paper roll in the dependence of the initial stage of rewinding, cause the paper roll discontinuity easily, cause the coiling elasticity of paper roll core seriously inhomogeneous (being commonly called as " Hua Xin "), have a strong impact on the following process and the end product quality of paper roll; 3, high speed revolution is mobile on one side on one side for the rewinding lower roll, and the miles of relative movement of necessary accuracy control rewinding lower roll, certainly will increase the complexity and the manufacturing cost of mechanism like this; 4, help the front end of roll bending need make interdigitated electrode structure, and the increment of broach inserts in the annular groove that is opened on the rewinding lower roll face of cylinder, and the annular groove on the rewinding lower roll face of cylinder can extrude tangible impression on the surface of paper roll, has a strong impact on the presentation quality of paper product.
The utility model content
The purpose of this utility model provides a kind of coreless rolls rewinding machine with the auxiliary roll set of air-flow.
The utility model is achieved in that the coreless rolls rewinding machine with the auxiliary roll set of air-flow comprises rewinding top roll and the rewinding lower roll that is parallel to each other, paper passes through on the rewinding top roll and the roll gap between rewinding top roll and rewinding lower roll, above the rewinding lower roll, be provided with airduct towards canyon, especially, roll gap between rewinding top roll and the rewinding lower roll is not more than 10 millimeters, in the roll body of rewinding top roll, be distributed with many gas channels, many gas channels are spaced along the circumferencial direction of roll body, each bar gas channel is communicated to one group of air suctiton inlet on roll body surface, same one group of air suctiton inlet that gas channel was communicated with is arranged in a row or more on the roll body surface, each row's air suctiton inlet is arranged along the length direction of roll body, each is arranged air suctiton inlet and is spaced along the circumferencial direction of roll body, be provided with suspended hood in position near roll end in the rewinding, rotation along with the rewinding top roll, when certain row's air suctiton inlet on rewinding top roll surface draws near near the roll gap between rewinding top roll and the rewinding lower roll, gas channel in the roll body that this row's air suctiton inlet is communicated with turns to the zone with the corresponding connection in the inlet scoop of suspended hood, when certain row's air suctiton inlet on rewinding top roll surface during from the close-by examples to those far off away from the roll gap between rewinding top roll and the rewinding lower roll, the interior gas channel of the roll body that this row air suctiton inlet is communicated with turns to the zone of departing from the inlet scoop of suspended hood.
Roll set principle of the present utility model is: before paper enters into roll gap between rewinding top roll and the rewinding lower roll, the air suctiton inlet on rewinding top roll surface can not contact paper with the rewinding lower roll to the suction of paper, after paper passes through described roll gap along with the rotation of rewinding top roll, the air suctiton inlet that is adsorbing paper is lost suction because of the gas channel in the roll body departs from suspended hood, so paper decurvation and contact under the effect of the air-flow that airduct blows out downwards with the rewinding lower roll that is rotating, under of the effect of rewinding lower roll to the paper friction force, paper further curls, because the roll gap between rewinding top roll and the rewinding lower roll is not more than 10 millimeters, therefore the paper that curls is subjected to stopping of this narrow roll gap and does not from then on skid off in the roll gap, so rewinding top roll and rewinding lower roll play the effect of rubbing to the paper of rolling together, make paper that follow-up biography comes along with the paper of rolling continues to reel, realize roll set.
The utility model does not need to rely on the support that helps roll bending from the whole rewinding process that is rolled onto rewinding and finishes, also need not to change the roll gap between rewinding top roll and the rewinding lower roll, therefore the utlity model has following advantage: 1, paper roll stability under loading and even in the rewinding process, reliability height; 2, the coiling elasticity of paper roll core is even, avoids producing " Hua Xin " phenomenon; 3, need not to be provided with the mechanism that makes rewinding lower roll one side high speed revolution move on one side, help reducing the complexity and the manufacturing cost of mechanism; 4, need not on the face of cylinder of rewinding lower roll, to offer annular groove, can not extrude impression, improved the presentation quality of paper product on the surface of paper roll.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the present utility model;
Fig. 2 is the left view of the rewinding top roll among Fig. 1;
Fig. 3 is the another kind of layout example of the air suctiton inlet on interior gas channel of the roll body of rewinding top roll and roll body surface;
Fig. 4 is the left view of Fig. 3;
Fig. 5 represents the another kind of position of suspended hood;
Fig. 6 is the A-A part sectional view of Fig. 5;
Fig. 7 is a roll set process scheme drawing embodiment illustrated in fig. 1;
Fig. 8 is the structural representation of another kind of embodiment of the present utility model;
The specific embodiment
Coreless rolls rewinding machine described in the utility model such as Fig. 1 show, comprise the rewinding top roll 1 and the rewinding lower roll 2 that are parallel to each other.Paper 3 passes through on rewinding top roll 1 and the roll gap M between rewinding top roll 1 and rewinding lower roll 2.Above rewinding lower roll 2, be provided with airduct 11 towards canyon.Roll gap M between rewinding top roll 1 and the rewinding lower roll 2 is not more than 10 millimeters, but can not be too little, will guarantee that at least roll gap M can not clip to paper, guarantees that paper 3 can pass through from roll gap M smoothly.Be distributed with many gas channels 4 that are parallel to the roll body axis in the roll body of rewinding top roll 1, every gas channel connects the end face to roll body.Many gas channels 4 are spaced along the circumferencial direction of roll body.Each bar gas channel 4 is communicated with one group of air suctiton inlet 5 on roll body surface.
Simultaneously referring to Fig. 1, Fig. 2, length direction along roll body is arranged in a row one group of air suctiton inlet 5 that same gas channel 4 is communicated with on the roll body surface, perhaps also can be as Fig. 3, Fig. 4, one group of air suctiton inlet that same gas channel 4 is communicated be arranged in two rows 5 ', 5 "; every row's air suctiton inlet is arranged along the length direction of roll body; by that analogy, same one group of air suctiton inlet that gas channel was communicated with can also be arranged in more rows.Described " arranging " along the length direction of roll body be not the requirement orientation must with the parallel axes of roll body, but certain helical angle can be arranged.
Referring to Fig. 1, each is arranged air suctiton inlet 5 and is spaced along the circumferencial direction of roll body.Be fixed with suspended hood 6 in the end of approaching rewinding top roll 1.Suspended hood 6 is connected with the vaccum-pumping equipment (not shown), makes suspended hood 6 produce negative pressure.The inlet scoop of suspended hood 6 is towards the end face of rewinding top roll 1.Rotation along with rewinding top roll 1, certain row's air suctiton inlet when rewinding top roll 1 surface, for example one among Fig. 1 arranges air suctiton inlet 5a, when drawing near near the roll gap between rewinding top roll 1 and the rewinding lower roll 2, gas channel 4a in the roll body that this row's air suctiton inlet 5a is communicated with turns to the zone with the corresponding connection in the inlet scoop of suspended hood 6, makes whole row's air suctiton inlet 5a produce suction; Certain row's air suctiton inlet when rewinding top roll 1 surface, for example one among Fig. 1 arranges air suctiton inlet 5b, during from the close-by examples to those far off away from the roll gap between rewinding top roll 1 and the rewinding lower roll 2, gas channel 4b in the roll body that this row's air suctiton inlet 5b is communicated with turns to the zone of departing from the inlet scoop of suspended hood 6, makes whole row's air suctiton inlet 5b lose suction.So, each bar gas channel 4 is along with the rotation of rewinding top roll 1 takes turns to disconnect with the inlet scoop connected sum of suspended hood 6.
Suspended hood 6 also can be as Fig. 5, shown in Figure 6ly be arranged in the face of cylinder of approaching rewinding top roll 1 and near the position of roll body end.The inlet scoop of suspended hood 6 is towards the face of cylinder of roll body.Correspondingly, the gas channel 4 in the roll body is communicated with suspended hood 6 on the face of cylinder of roll body as shown in Figure 6.
Paper 3 among Fig. 1 the termination on rewinding top roll 1 the right be by on the afterbody paper of the paper roll finished of volume rewinding disconnect the back and form.Concrete disconnected paper mode for example can add speed transmission with a sudden change with air roll 7 and be connected, after coil paper volume is finished in rewinding, add speed transmission by sudden change and make air roll 7 moments acceleration, drive paper roll moment acceleration with this, thereby the paper of paper roll afterbody is broken.
Roll set principle below in conjunction with description of drawings Fig. 1 illustrated embodiment.Before paper enters into roll gap between rewinding top roll and the rewinding lower roll, that is to say the left side of roll gap M in Fig. 1, two row's air suctiton inlets on one row air suctiton inlet 5a and the left side thereof on rewinding top roll surface are communicated with the inlet scoop of suspended hood 6 and produce suction, paper can not contacted with rewinding lower roll 2 before entering roll gap M, after paper passes through roll gap M along with the rotation of rewinding top roll 1, that is to say the right of roll gap M in Fig. 1, the air suctiton inlet that is adsorbing paper, for example wherein one arrange air suctiton inlet 5b, because of departing from suspended hood 6, the gas channel 4b in the roll body loses suction, so paper decurvation and contact immediately under the effect of the air-flow that airduct 11 blows out downwards with the rewinding lower roll 2 that is rotating, under the effect of 2 pairs of paper friction force of rewinding lower roll, paper further curls, form state shown in Figure 7, after this, because the roll gap M between rewinding top roll and the rewinding lower roll is not more than 10 millimeters, therefore the paper that curls is subjected to stopping of roll gap M and can skid off roll gap M left, so rewinding top roll 1 and rewinding lower roll 2 play the effect of rubbing to the paper of rolling together, make paper that follow-up biography comes along with the paper of rolling continues to reel, realize roll set.
Behind the roll set, reel diameter increases gradually, clips paper roll together by rewinding top roll 1, rewinding lower roll 2 and air roll 7 again and rotates, and after rewinding is finished the paper of paper roll afterbody is broken, and forms new paper head.
As improvement project of the present utility model, can be rewinding lower roll 2 and set up and rewinding top roll gas channel, air suctiton inlet and suspended hood roughly the same.As shown in Figure 8, be distributed with many gas channels 8 in the roll body of rewinding lower roll 2, each bar gas channel 8 is communicated to one group of air suctiton inlet 9 on roll body surface.The arrangement mode of gas channel 8 and air suctiton inlet 9 is identical with gas channel 4, the air suctiton inlet 5 of rewinding top roll 1, repeats no more.Be provided with second suspended hood 10 in position near rewinding lower roll 2 ends, rotation along with rewinding lower roll 2, certain row's air suctiton inlet when rewinding lower roll surface, for example one among Fig. 8 arranges air suctiton inlet 9a, when drawing near near the roll gap between rewinding top roll 1 and the rewinding lower roll 2, gas channel 8a in the roll body that this row's air suctiton inlet 9a is communicated with turns to the zone with the corresponding connection in the inlet scoop of second suspended hood 10, make whole row's air suctiton inlet 9a produce suction, certain row's air suctiton inlet when rewinding lower roll surface, for example one among Fig. 8 arranges air suctiton inlet 9b, during from the close-by examples to those far off away from the roll gap between rewinding top roll 1 and the rewinding lower roll 2, the gas channel 8b in the roll body that this row's air suctiton inlet 9b is communicated with turns to the zone of departing from the inlet scoop of second suspended hood 10.So, each bar gas channel 8 is along with the rotation of rewinding lower roll 2 takes turns to disconnect with the inlet scoop connected sum of second suspended hood 10.
After so improving, be equivalent to strengthen the friction force of 2 pairs of paper of rewinding lower roll, further improved the reliability of roll set.
Claims (1)
1. assist the coreless rolls rewinding machine of roll set with air-flow, comprise the rewinding top roll and the rewinding lower roll that are parallel to each other, paper passes through on the rewinding top roll and the roll gap between rewinding top roll and rewinding lower roll, above the rewinding lower roll, be provided with airduct towards canyon, it is characterized in that: the roll gap between rewinding top roll and the rewinding lower roll is not more than 10 millimeters, in the roll body of rewinding top roll, be distributed with many gas channels, many gas channels are spaced along the circumferencial direction of roll body, each bar gas channel is communicated to one group of air suctiton inlet on roll body surface, same one group of air suctiton inlet that gas channel was communicated with is arranged in a row or more on the roll body surface, each row's air suctiton inlet is arranged along the length direction of roll body, each is arranged air suctiton inlet and is spaced along the circumferencial direction of roll body, be provided with suspended hood in position near roll end in the rewinding, rotation along with the rewinding top roll, when certain row's air suctiton inlet on rewinding top roll surface draws near near the roll gap between rewinding top roll and the rewinding lower roll, gas channel in the roll body that this row's air suctiton inlet is communicated with turns to the zone with the corresponding connection in the inlet scoop of suspended hood, when certain row's air suctiton inlet on rewinding top roll surface during from the close-by examples to those far off away from the roll gap between rewinding top roll and the rewinding lower roll, the interior gas channel of the roll body that this row air suctiton inlet is communicated with turns to the zone of departing from the inlet scoop of suspended hood.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202039963U CN201703895U (en) | 2010-05-24 | 2010-05-24 | Coreless paper roll rewinding machine using airflow for assisting roll lifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202039963U CN201703895U (en) | 2010-05-24 | 2010-05-24 | Coreless paper roll rewinding machine using airflow for assisting roll lifting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201703895U true CN201703895U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202039963U Expired - Lifetime CN201703895U (en) | 2010-05-24 | 2010-05-24 | Coreless paper roll rewinding machine using airflow for assisting roll lifting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201703895U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101837900A (en) * | 2010-05-24 | 2010-09-22 | 佛山市宝索机械制造有限公司 | Coreless-paper roll rewinding machine using air flow to assist winding |
| CN102180368A (en) * | 2011-04-14 | 2011-09-14 | 佛山市南海区德昌誉机械制造有限公司 | Toilet paper rewinder |
| WO2011124086A1 (en) * | 2010-04-10 | 2011-10-13 | 佛山市宝索机械制造有限公司 | Coreless scroll rewinding machine without winding assisting plate |
| CN104176536A (en) * | 2013-05-24 | 2014-12-03 | 佛山市宝索机械制造有限公司 | Rewinder stable and reliable in winding |
-
2010
- 2010-05-24 CN CN2010202039963U patent/CN201703895U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124086A1 (en) * | 2010-04-10 | 2011-10-13 | 佛山市宝索机械制造有限公司 | Coreless scroll rewinding machine without winding assisting plate |
| CN101837900A (en) * | 2010-05-24 | 2010-09-22 | 佛山市宝索机械制造有限公司 | Coreless-paper roll rewinding machine using air flow to assist winding |
| WO2011147188A1 (en) * | 2010-05-24 | 2011-12-01 | 佛山市宝索机械制造有限公司 | Coreless paper roll rewinding machine |
| CN102180368A (en) * | 2011-04-14 | 2011-09-14 | 佛山市南海区德昌誉机械制造有限公司 | Toilet paper rewinder |
| CN104176536A (en) * | 2013-05-24 | 2014-12-03 | 佛山市宝索机械制造有限公司 | Rewinder stable and reliable in winding |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110112 Effective date of abandoning: 20120215 |