CN201990290U

CN201990290U - Coreless paper roll rewinding machine

Info

Publication number: CN201990290U
Application number: CN2011200204000U
Authority: CN
Inventors: 陆德昌; 黄财元
Original assignee: FOSHAN CITY NANHAI DISTRICT DECHANGYU MACHINERY MANUFACTURING Co Ltd
Current assignee: FOSHAN CITY NANHAI DISTRICT DECHANGYU MACHINERY MANUFACTURING Co Ltd
Priority date: 2011-01-22
Filing date: 2011-01-22
Publication date: 2011-09-28
Anticipated expiration: 2021-01-22

Abstract

The utility model provides a coreless paper roll rewinding machine which mainly comprises an upper rewinding roller, a lower rewinding roller and a press roller. A drum is arranged near the upper rewinding roller, a rolling belt capable of synchronously moving with the upper rewinding roller is connected between the drum and the upper rewinding roller, and a horn-shaped space which is limited between the rolling belt and the lower rewinding roller and provided with an opening part which is gradually enlarged serves as a rolling zone for coreless paper rolls. A vacuum cavity is arranged in a space formed between the rolling belt, the upper rewinding roller and the drum, and vacuum air suction holes which are communicated with the vacuum cavity are densely arranged on the rolling belt. As the rewinding machine adopts the belt with the vacuum air suction holes as a rolling structure, and a gap between the rolling belt and the lower rewinding roller is the horn-shaped space with the gradually enlarged opening part, the rolling is more uniform, paper crease length is reduced, and paper quality is ensured. Besides, the paper head part is supported by the belt, so that the paper head part is prevented from slipping, the production efficiency is improved, and the production of coreless sanitary paper rolls is reliably and quickly realized.

Description

A kind of coreless rolls rewinder

Technical field

The utility model relates to a kind of coreless roll of hygiene paper rewinder, belongs to the paper conversion field of mechanical technique.

Background technology

The characteristics of coreless rolls are that the centre of paper roll does not have spool.The machinery of this class paper roll of existing rewinding generally need help roll bending to finish the roll set process by one.For example the patent No. is 94101338.3, name is called the patent of " having the surface that supports 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 be rolled onto normal rewinding process, 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.At the problems referred to above, Chinese patent application ZL201010183667.1 discloses a kind of coreless rolls rewinder with the auxiliary roll set of air-flow, its principal feature is provided with the airduct towards canyon above the rewinding lower roll, 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, at the roll body surface distribution many group air suctiton inlets are arranged, every group of air suctiton inlet has length direction to be arranged in a row or more along roll body, each is organized air suctiton inlet and is communicated with each bar gas channel in the roll body respectively, be provided with suspended hood in position near roll end in the rewinding, along with the rotation of rewinding top roll, each the bar gas channel in the roll body takes turns to disconnect with the inlet scoop connected sum of suspended hood.Make it 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 between rewinding top roll and the rewinding lower roll and roll gap, have that roll set reliability height, rewinding are stable, the elasticity of paper roll core evenly, can not extrude advantages such as impression on the surface of paper roll.But this rewinder is owing to need be provided with many and the corresponding to gas channel of rewind roll length in length reaches 2～3.6 meters long rewind roll, the gas channel that need utilize depth drill or elder generation to process mandrel carries out the mode of sleeve pipe again, cause its processing difficulties, cost costliness, and behind the disconnected paper and the corresponding to toilet paper paper of rewind roll length part between the roll gap of two rewind roll of high-speed operation, make its roll set equably owing to lacking supporting power, the too much phenomenon of initial portion fold length of its roll set influences the paper roll quality when occurring rubbing the paper roll set with the hands easily.Simultaneously, when machine carried out high-speed operation, the paper part skidded off between two rewind roll that turn round at a high speed easily, influences production efficiency.

Summary of the invention

The purpose of this utility model is the existence at the problems referred to above, provide a kind of simple and reliable for structure, implement easily, the coreless rolls rewinder of low cost of manufacture.

The purpose of this utility model is achieved through the following technical solutions:

A kind of coreless rolls rewinder described in the utility model, mainly comprise rewind roll, following rewind roll, pressure roller, it is characterized in that the described other cylinder that is provided with of rewind roll of going up, be connected with a roll set belt that can be synchronized with the movement with last rewind roll between this cylinder and the last rewind roll, the loudspeaker that qualification one peristome amplifies gradually between this roll set belt and the following rewind roll form the roll set zone of space as coreless rolls, and this roll set belt and last rewind roll, be equiped with a vacuum chamber in the space that forms between the cylinder, be densely covered with some vacuum suction holes that are communicated with this vacuum chamber on the described roll set belt.

The utility model is owing to adopt the belt with vacuum suction hole to be used as volume structure dexterously, both utilized minim gap between belt and the following rewind roll as the roll set district, the absorption of the health body paper of the air-flow that utilizes the vacuum pumping opening on the belt again after to tear fracture drives that gap between body paper and the following rewind roll continues to the rewinding district as the space of roll set and with the start-up portion of paper part as stranding paper roll set, and because the gap between roll set belt and the following rewinding is the tubaeform space that a peristome amplifies gradually, make its roll set more even, reduce the length of paper fold, guarantee the quality of paper roll; Utilize the supporting role of belt again, avoid skidding off of paper part, enhance productivity, reliably and at high speed realize the production of coreless roll of hygiene paper the paper part.And help roll bending and make very the last rewind roll with gas channel of difficulty owing to saved, also need not to change the gap between two rewind roll of high-speed operation, make rewinder structure described in the utility model simpler, manufacturing cost is lower, enforcement is easier.

Description of drawings

Describe realization of the present utility model in detail below in conjunction with accompanying drawing.

Fig. 1 is the rewinder roll set described in the utility model structural representation of moment.

Fig. 2 enters the after-combustion district structural representation of moment behind the rewinder roll set described in the utility model.

Structural representation when Fig. 3 is rewinder rewinding described in the utility model.

Fig. 4 is the rewinder after-combustion described in the utility model disconnected paper structural representation of moment that finishes.

Fig. 5 is the rewind roll that goes up described in the utility model, cylinder, roll set belt connect to form structural representation.

Fig. 6 is another embodiment structural representation of rewinder described in the utility model.

The specific embodiment

As Fig. 1～shown in Figure 6, a kind of coreless rolls rewinder described in the utility model, mainly comprise rewind roll 1, following rewind roll 2, pressure roller 3, last rewind roll 1 top is provided with the blowpipe 7 of canyon on one day, the wherein said rewind roll 1 other cylinder 4 that is provided with of going up, be connected with a roll set belt 5 that can be synchronized with the movement with last rewind roll 1 between this cylinder 4 and the last rewind roll 1, the tubaeform space that qualification one peristome amplifies gradually between this roll set belt 5 and the following rewind roll 2 is as the roll set zone of coreless rolls, and this roll set belt 5 and last rewind roll 1, be equiped with a vacuum chamber 6 in the space that forms between the cylinder 4, be densely covered with some vacuum suction holes 51 that are communicated with this vacuum chamber 6 on the described roll set belt 5.Toilet paper body paper N is on roll set belt 5, and the absorption of the vacuum draw pore 51 by roll set belt 5, in the gap between roll set belt 5 and the following rewind roll 2, wherein the gap between roll set belt 5 and the following rewind roll 2 is the smaller the better, but can not be too little, at least to guarantee that this gap can not clip to toilet paper body paper N, and should guarantee that toilet paper body paper N can be advisable by this gap smoothly.Wherein the composition mode of vacuum chamber 6 is varied, both can be as Fig. 1～shown in Figure 5, surround into an airtight cavity volume between above-mentioned roll set belt 5 and last rewind roll 1, the cylinder 4, and at least one end of this airtight cavity volume is provided with the vacuum pumping opening 61 that can make this airtight cavity volume become a vacuum chamber 6.Also can be as shown in Figure 6, be equiped with a vallecular cavity in the space that forms between above-mentioned roll set belt 5 and last rewind roll 1, the cylinder 4, form an airtight cavity volume between this vallecular cavity and the roll set belt 5, and an end of this airtight cavity volume is provided with the vacuum pumping opening 61 that can make this airtight cavity volume become a vacuum chamber 6.

Principle of work of the present utility model and process are as follows:

The vacuum suction of toilet paper body paper N by roll set belt 5 enters into the after-combustion district and carries out rewinding, after rewinding finishes.As shown in Figure 4, toilet paper body paper N is by tear fracture, and finished roll R withdraws from the after-combustion district.This moment is as Fig. 1～shown in Figure 2, the air-flow that its paper part is blown out by the air blowing mouth of pipe of last rewind roll 1 top blows in the minim gap of getting back between roll set belt 5 and the following rewind roll 2 and carries out roll set, promptly carries out roll set in the rewind roll 1 that is positioned at that is formed by following rewind roll 2 and roll set belt 5 with the tubaeform space below following rewind roll 2 axial connecting lines.Under the rubbing effect of the following rewind roll 2 of move toward one another and roll set belt 5, rub roll set, thereby the paper part that both effectively guarantees the toilet paper body paper can not skid off from the crack of two rewind roll, effectively reduces the fold length of rolling part again.This rolling part is grown up gradually with the motion of roll set belt 5 and is sent to the after-combustion district, and this moment, toilet paper continued rewinding until being configured as a finished product coil paper and repeating the production that said process carries out next finished roll in the after-combustion district as shown in Figure 3.

Claims

1. coreless rolls rewinder, mainly comprise rewind roll (1), following rewind roll (2), pressure roller (3), it is characterized in that the described other cylinder (4) that is provided with of rewind roll (1) of going up, be connected with a roll set belt (5) that can be synchronized with the movement with last rewind roll (1) between this cylinder (4) and the last rewind roll (1), the tubaeform space that qualification one peristome amplifies gradually between this roll set belt (5) and the following rewind roll (2) is as the roll set zone of coreless rolls, and this roll set belt (5) and last rewind roll (1), be equiped with a vacuum chamber (6) in the space that forms between the cylinder (4), be densely covered with some vacuum suction holes (51) that are communicated with this vacuum chamber (6) on the described roll set belt (5).

2. according to the described a kind of coreless rolls rewinder of claim 1, it is characterized in that surrounding into an airtight cavity volume between above-mentioned roll set belt (5) and last rewind roll (1), the cylinder (4), and at least one end of this airtight cavity volume is provided with the vacuum pumping opening (61) that can make this airtight cavity volume become a vacuum chamber (6).

3. according to the described a kind of coreless rolls rewinder of claim 1, be equiped with a vallecular cavity in the space that it is characterized in that forming between above-mentioned roll set belt (5) and last rewind roll (1), the cylinder (4), form an airtight cavity volume between this vallecular cavity and the roll set belt (5), and an end of this airtight cavity volume is provided with the vacuum pumping opening (61) that can make this airtight cavity volume become a vacuum chamber (6).