CN201660325U

CN201660325U - Coreless paper roll rewinding machine with reliable winding performance

Info

Publication number: CN201660325U
Application number: CN2010201197480U
Authority: CN
Inventors: 黎启标; 罗兆波
Original assignee: Foshan Baosuo Machinery Manufacturing Co Ltd
Current assignee: Foshan Baosuo Machinery Manufacturing Co Ltd
Priority date: 2010-02-11
Filing date: 2010-02-11
Publication date: 2010-12-01
Anticipated expiration: 2020-02-11

Abstract

A coreless paper roll rewinding machine with reliable winding performance is provided with a winding assisting plate arranged in the gap of an upper rewinding roll and a lower rewinding roll, and is characterized in that: a plurality of airflow channels are at least distributed in the roll body of the lower rewinding roll, the airflow channels are arrayed along the circumferential direction of the roll body with interval, each airflow channel is communicated with a group of air suction ports on the surface of the roll body, the groups of air suction ports communicated with the airflow channels are arrayed along the circumferential direction of the roll body with interval, the group of air suction ports with one airflow channel are arrayed in a row or rows, a wind suction cover is arranged on the position close to the end part of the lower rewinding roll, the airflow channels correspond to the wind suction port of the wind suction cover in turns along with the rotation of the lower rewinding roll. The coreless paper roll rewinding machine with reliable winding performance realizes the winding operation based on the coordination of the air suction ports of the lower rewinding roll and the winding assisting plate, avoids the defects caused by the excessive airflow intensity of a blowpipe, and accordingly improves the winding reliability.

Description

Roll set failure-free coreless rolls rewinding machine

Technical field

The utility model relates to rewinding machine, particularly can be used for the rewinding machine of production coreless rolls.

Background technology

The roll set mechanism that existing a kind of coreless rolls rewinding machine adopts as shown in Figure 1, comprise the rewinding top roll 1 and the rewinding lower roll 2 that are parallel to each other, above the rewinding lower roll, be provided with airduct 3 towards canyon, gap location setting between rewinding top roll and rewinding lower roll helps roll bending 4, helps the leading edge of roll bending 4 to be close to the face of cylinder of rewinding lower roll 2.The roll set principle of this roll set mechanism is: the wind that airduct 3 blows out downwards is closely attached on rewinding lower roll 2 with the head of paper 5, rotation along with rewinding lower roll 2, the paper head is back taken in the gap between rewinding top roll 1 and the rewinding lower roll 2 by rewinding lower roll 2 and is helped roll bending 4 to scoop up, along with the continuous rotation of rewinding top roll 1 with rewinding lower roll 2, paper 5 constantly is fed in the gap between rewinding top roll 1 and the rewinding lower roll 2 and is constantly helped roll bending 4 to scoop up, and then rubbed the new paper roll of formation, realize roll set.Yet the reliability of this roll set mechanism is relatively poor, might occur can't roll set situation.Because the airflow that the paper head must rely on airduct 3 to blow out just can be close on the rewinding lower roll 2, and powerful air-flow causes paper to separate with the rewinding top roll prematurely easily, forms state shown in Figure 2, can't roll set.

The utility model content

The purpose of this utility model is that above-mentioned rewinding machine is improved, and a kind of roll set failure-free coreless rolls rewinding machine is provided.

The utility model is achieved in that roll set failure-free coreless rolls rewinding machine comprises rewinding top roll and the rewinding lower roll that is parallel to each other, gap location setting between rewinding top roll and rewinding lower roll helps roll bending, help the leading edge of roll bending to approach or be close to the surface of rewinding lower roll, especially, at least in the roll body of rewinding lower 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, each bar gas channel is communicated with respectively organizes air suctiton inlet and is spaced along the circumferencial direction of roll body, same one group of air suctiton inlet that gas channel was communicated with is arranged in a row or more, air suctiton inlet among each row is arranged along the length direction of roll body, be provided with suspended hood in position near roll end under the rewinding, when turning to, the air suctiton inlet on roll body surface is about to when helping the position of roll bending leading edge, the gas channel that is communicated with this air suctiton inlet just is positioned at and cooresponding position, the inlet scoop of suspended hood, along with the rotation of rewinding lower roll, each bar gas channel is corresponding with the inlet scoop of suspended hood in turn.

Roll set principle of the present utility model is: along with the rotation of rewinding lower roll, when turning to, the air suctiton inlet on roll body surface is about to when helping the position of roll bending leading edge, this air suctiton inlet will be communicated to the inlet scoop of suspended hood by the gas channel in the roll body, air suctiton inlet forms negative pressure thereupon, the air suctiton inlet that forms negative pressure at first is adsorbed onto the head of paper on the rewinding lower roll, rotation along with the rewinding lower roll, the paper head is back taken in the gap between rewinding top roll and the rewinding lower roll by air suctiton inlet and then is helped roll bending to scoop up, continuous rotation along with rewinding top roll and rewinding lower roll, paper is back taken in the gap between rewinding top roll and the rewinding lower roll by the air suctiton inlet of rewinding lower roll continuously and is constantly helped roll bending to scoop up, and then rubbed the new paper roll of formation, realize roll set.

This shows that the utility model need not the air-flow that relies on blower to blow out, only relies on the air suctiton inlet of rewinding lower roll can realize roll set with helping just cooperating of roll bending.Therefore the utility model excessive drawback that causes of current rate of having avoided blower to blow out has improved the reliability of roll set.

Description of drawings

Fig. 1 is the structural representation of existing a kind of coreless rolls rewinding machine;

Scheme drawing when Fig. 2 is a rewinding machine generation roll set fault shown in Figure 1;

Fig. 3 is the structural representation of a kind of embodiment of the present utility model;

Fig. 4 is the left view of the rewinding lower roll among Fig. 3;

Fig. 5 represents a kind of position of suspended hood;

Fig. 6 is the A-A part sectional view of Fig. 5;

Fig. 7 represents roll set process embodiment illustrated in fig. 3;

Fig. 8 is the structural representation of another kind of embodiment of the present utility model;

Fig. 9 represents the local roughness surface on the roll body.

The specific embodiment

Coreless rolls rewinding machine described in the utility model comprises the rewinding top roll 1 and the rewinding lower roll 2 that are parallel to each other as shown in Figure 3, and the gap location setting between rewinding top roll and rewinding lower roll helps roll bending 4.Help the leading edge of roll bending 4 to be close to or to approach the surface of rewinding lower roll 2.In the roll body of rewinding lower roll, be distributed with many gas channels 6.Many gas channels 6 are spaced along the circumferencial direction of roll body.Each bar gas channel is communicated to one group of air suctiton inlet 7 on roll body surface.Each bar gas channel is communicated with respectively organizes air suctiton inlet 7 and is spaced along the circumferencial direction of roll body.Simultaneously referring to Fig. 3, Fig. 4, one group of air suctiton inlet 7 that same gas channel 6 is communicated with is arranged in a row, and each row's air suctiton inlet is arranged along the length direction of roll body, but and do not require orientation must with the parallel axes of roll body, certain helical angle can be arranged.Same one group of air suctiton inlet that gas channel was communicated with also can be arranged in two row or more rows.

Be fixed with a suspended hood 8 in the end of approaching the rewinding lower roll.Suspended hood 8 is connected with the vaccum-pumping equipment (not shown), makes suspended hood produce negative pressure.The inlet scoop of suspended hood 8 is towards the end face of roll body.When turning to, the air suctiton inlet on roll body surface is about to when helping the position of roll bending 4 leading edges, the air suctiton inlet 7a among Fig. 3 for example, and the gas channel 6a that is communicated with this air suctiton inlet 7a just is positioned at and cooresponding position, the inlet scoop of suspended hood 8.Along with the rotation of rewinding lower roll 2, each bar gas channel 6 is corresponding with the inlet scoop of suspended hood 8 in turn.

Gas channel 6 among Fig. 3 both can be communicated to two end faces of rewinding lower roll, also can only be communicated to an end face of rewinding lower roll; Correspondingly, suspended hood 8 both can be arranged in the two ends of rewinding lower roll, also can only be arranged in an end of rewinding lower roll.

Suspended hood also can be as Fig. 5, shown in Figure 6ly be arranged in the face of cylinder of approaching rewinding lower roll 2 and near the position of roll body end.The inlet scoop of suspended hood 8 is towards the face of cylinder of roll body.Correspondingly, the gas channel 6 in the roll body should be communicated to as shown in Figure 6 can with suspended hood 8 corresponding positions.

The following describes roll set principle embodiment illustrated in fig. 3: along with the rotation of rewinding lower roll 2, when turning to, the air suctiton inlet 7 on roll body surface is about to when helping the position of roll bending 4 leading edges, as the air suctiton inlet 7a among Fig. 3, this air suctiton inlet 7a will be communicated with the inlet scoop of suspended hood 8 by gas channel 6a, air suctiton inlet 7a forms negative pressure thereupon, and the air suctiton inlet that forms negative pressure at first is adsorbed on the head of paper 5 on the rewinding lower roll 2; Along with the rotation of rewinding lower roll, the paper head is back taken in the gap between rewinding top roll 1 and the rewinding lower roll 2 by air suctiton inlet 7a and then is helped roll bending 4 to scoop up; Continuous rotation along with rewinding top roll and rewinding lower roll, paper 5 is back taken in the gap between rewinding top roll and the rewinding lower roll by the air suctiton inlet of rewinding lower roll continuously and is constantly helped roll bending to scoop up, and then rubbed the new paper roll of formation, as shown in Figure 7, so far finish roll set.Behind the roll set, clip paper roll together by rewinding top roll 1, rewinding lower roll 2 and air roll 9 and rotate, until with the paper roll rewinding to required diameter.

As preferred forms of the present utility model, should be as shown in Figure 8, many gas channels 10 also distribute in the roll body of rewinding top roll, many gas channels 10 are spaced along the circumferencial direction of roll body, each bar gas channel is communicated to one group of air suctiton inlet 11 on roll body surface, each bar gas channel is communicated with respectively organizes air suctiton inlet 11 and is spaced along the circumferencial direction of roll body, one group of air suctiton inlet 11 that same gas channel 10 is communicated with is arranged in a row or more, each row's air suctiton inlet is arranged along the length direction of roll body, be provided with suspended hood 12 in position near roll end in the rewinding, when one group of air suctiton inlet on roll body surface turns to when helping the position of roll bending, the air suctiton inlet 11a among Fig. 8 for example, the gas channel 10a that is communicated with this group air suctiton inlet 11a just is positioned at and cooresponding position, the inlet scoop of suspended hood 12, along with the rotation of rewinding top roll 1, each bar gas channel 10 is corresponding with the inlet scoop of suspended hood 12 in turn.After the rewinding top roll increases said structure, rely on the adsorption of the air suctiton inlet 11 of rewinding top roll can avoid taking place the situation that paper shown in Figure 2 leaves the rewinding top roll too early more reliably, further improve the reliability of roll set.The layout of the air suctiton inlet 11 on the roll body surface of rewinding top roll can be identical with the rewinding lower roll.

Embodiment shown in Figure 8 also is provided with the blower 13 towards canyon above the rewinding lower roll.Under the combined action of the air suctiton inlet 7 of blower 13 and rewinding lower roll, the head of paper 5 is adsorbed onto on the rewinding lower roll 2 quickly.

As further improvement of the utility model, local rough surface can be set on the surface of rewinding top roll and rewinding lower roll.Rough surface can increase the friction force between paper and the roll body, helps improving the reliability of roll set.The distribution mode of rough surface on rewinding top roll and rewinding lower roll can be as shown in Figure 9.The local roughness surface on the roll body is represented at the position of the ruling that knits a net among Fig. 9.

Claims

1. roll set failure-free coreless rolls rewinding machine, comprise the rewinding top roll and the rewinding lower roll that are parallel to each other, gap location setting between rewinding top roll and rewinding lower roll helps roll bending, help the leading edge of roll bending to approach or be close to the surface of rewinding lower roll, it is characterized in that: in the roll body of rewinding lower roll, be distributed with many gas channels at least, 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, each bar gas channel is communicated with respectively organizes air suctiton inlet and is spaced along the circumferencial direction of roll body, same one group of air suctiton inlet that gas channel was communicated with is arranged in a row or more, each row's air suctiton inlet is arranged along the length direction of roll body, be provided with suspended hood in position near roll end under the rewinding, when turning to, the air suctiton inlet on roll body surface is about to when helping the position of roll bending leading edge, the gas channel that is communicated with this group air suctiton inlet just is positioned at and cooresponding position, the inlet scoop of suspended hood, along with the rotation of rewinding lower roll, each bar gas channel is corresponding with the inlet scoop of suspended hood in turn.

2. roll set failure-free coreless rolls rewinding machine as claimed in claim 1, it is characterized in that: 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, each bar gas channel is communicated with respectively organizes air suctiton inlet and is spaced along the circumferencial direction of roll body, same one group of air suctiton inlet that gas channel was communicated with is arranged in a row or more, each row's air suctiton inlet is arranged along the length direction of roll body, be provided with suspended hood in position near roll end in the rewinding, when one group of air suctiton inlet on roll body surface turns to when helping the position of roll bending, the gas channel that is communicated with this group air suctiton inlet just is positioned at and cooresponding position, the inlet scoop of suspended hood, along with the rotation of rewinding top roll, each bar gas channel is corresponding with the inlet scoop of suspended hood in turn.

3. roll set failure-free coreless rolls rewinding machine as claimed in claim 1 or 2 is characterized in that: be provided with local rough surface on the surface of rewinding top roll and rewinding lower roll.