CN201999555U

CN201999555U - Toilet paper rewinding machine

Info

Publication number: CN201999555U
Application number: CN201120107801XU
Authority: CN
Inventors: 陆德昌
Original assignee: FOSHAN CITY NANHAI DISTRICT DECHANGYU MACHINERY MANUFACTURING Co Ltd
Current assignee: FOSHAN CITY NANHAI DISTRICT DECHANGYU MACHINERY MANUFACTURING Co Ltd
Priority date: 2011-04-14
Filing date: 2011-04-14
Publication date: 2011-10-05
Anticipated expiration: 2021-04-14

Abstract

A toilet paper rewinding machine mainly comprises an upper rewinding roll, a lower rewinding roll and a press roll. A vacuum cavity is arranged in the upper rewinding roll and capable of remaining at a permanent position in rotation of the upper rewinding roll, an opening of the vacuum cavity is positioned near an area of a connecting line of a circle center D1 and a circle center D2 which are formed by cross sections of the upper rewinding roll and the lower rewinding roll, a plurality of vacuum air suction holes communicated with the opening of the vacuum cavity are densely distributed on the surface of the upper rewinding roll. Since a fixed vacuum cavity is arranged in the upper rewinding roll, and the vacuum cavity remains at a permanent position in high-speed rotation of the upper rewinding roll to form a stable closed vacuum area, a plurality of air channels are not needed, communication problem of each air channel and the atmosphere in rotation of the rewinding rolls can be avoided, re-suction of the rewinding rolls in rotation to the air channels can be avoided, power of external vacuum suction machine can be effectively reduced, and thereby production cost and energy consumption can be reduced.

Description

A kind of toilet paper rewinder

Technical field

The utility model belongs to the paper conversion field of mechanical technique, particularly relates to a kind of centreless toilet paper rewinder.

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 toilet paper 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.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, the cost costliness, and owing to have many gas channels in the rewinding roll body, these gas channels can communicate with atmosphere when leaving vacuum work district (suspended hood), therefore all need to bleed again when entering the vacuum work district each time and form vacuum passage, when machine carries out high-speed operation, needing high-performance air suctiton ventilator works without cessation, both increased productive costs, waste energy again, influence 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 toilet paper rewinder of low cost of manufacture and energy consumption.

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

A kind of toilet paper rewinder described in the utility model, mainly comprise rewind roll, following rewind roll, pressure roller, be characterized in that described go up is provided with a vacuum vallecular cavity that remains at a fixed position in last rewind roll rotary course in the rewind roll, the opening of this vacuum vallecular cavity is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll and following rewind roll, and described roller surface of going up rewind roll is densely covered with some vacuum suction holes that can be communicated with this vacuum vallecular cavity peristome.

Reliable easily for guaranteeing toilet paper body paper roll set between two rewind roll, and rolling part is evenly neat, be beneficial to follow-up continuous rewinding, improve toilet paper rewinding production efficiency, be provided with a vacuum vallecular cavity that in rewind roll rotary course down, remains at a fixed position in the above-mentioned down rewind roll, the opening of this vacuum vallecular cavity is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll and following rewind roll, and the described roller surface of rewind roll down is densely covered with some vacuum suction holes that can be communicated with this vacuum vallecular cavity peristome.

The utility model is owing to be provided with the structure of a vacuum vallecular cavity of fixing dexterously in last rewind roll, the absorption of the health body paper of the air-flow that vacuum in the utilization on the rewind roll is inhaled the hole after to tear fracture drives body paper paper after cutting off, and partly to continue to be adsorbed in rewind roll surperficial and move on, and utilize the space of going up between rewind roll and the following rewind roll as the space of roll set and with the start-up portion of the part of the paper behind the tear fracture as stranding paper roll set, and help roll bending and make the very 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, especially since this vacuum vallecular cavity in last rewind roll, remain at a fixed position in the following rewind roll high-speed operation and be formed with a stable enclosed vacuum zone, neither need to process many gas channels, the also problem that does not exist each gas channel in the rewind roll rotation process, to communicate with atmosphere, rewind roll can not appear, the phenomenon that following rewind roll need be bled again to gas channel in rotation process, effectively reduce the power of external vacuum draw machine, thereby reduce production costs and energy consumption, make rewinder structure described in the utility model simpler, manufacturing cost is lower, it is easier to implement.

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.

The specific embodiment

As Fig. 1～shown in Figure 4, a kind of toilet paper rewinder described in the utility model, mainly comprise rewind roll 1, following rewind roll 2, pressure roller 3, described go up is provided with a vacuum vallecular cavity 11 that remains at a fixed position in last rewind roll 1 rotary course in the rewind roll 1, the opening of this vacuum vallecular cavity 11 is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll 1 and following rewind roll 2, and described roller surface of going up rewind roll 1 is densely covered with some vacuum suction holes 12 that can be communicated with these vacuum vallecular cavity 11 peristomes.Simultaneously, be provided with a vacuum vallecular cavity 21 that in rewind roll 2 rotary courses down, remains at a fixed position in the above-mentioned down rewind roll 2, the opening of this vacuum vallecular cavity 21 is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll 1 and following rewind roll 2, and the described roller surface of rewind roll 2 down is densely covered with some vacuum suction holes 22 that can be communicated with these vacuum vallecular cavity 21 peristomes.And the above-mentioned interior vacuum vallecular cavity 21 of vacuum vallecular cavity 11 in the rewind roll 1 and following rewind roll 2 of going up all is connected with external vacuum extractor.And above last rewind roll 1, be provided with gas blow pipe 4.The body paper paper that the absorption of the utility model by the air-flow that utilizes vacuum on the rewind roll 1 and the inhale hole 12 health body paper after to tear fracture drives after cutting off partly continues to be adsorbed in rewind roll 1 surperficial moving on, and utilize the space of going up between rewind roll 1 and the following rewind roll 2 as the space of roll set and with the start-up portion of paper part as stranding paper roll set, simultaneously by utilizing the cooperation adsorption of 2 pairs of paper parts of rewind roll down, thereby guaranteed that the toilet paper body paper can not skid off between last rewind roll 1 and following rewind roll 2, make its roll set evenly reliable more, reduce the length of paper fold, guarantee the quality of paper roll, enhance productivity, reliably and at high speed realize the production of toilet roll, especially owing to the vacuum vallecular cavity 11 of last rewind roll 1 and down the vacuum vallecular cavity 21 of rewind roll 2 in high-speed operation, remain at a fixed position and be formed with a stable enclosed vacuum zone, neither need to process many gas channels, the also problem that does not exist each gas channel in the rewind roll rotation process, to communicate with atmosphere, rewind roll 1 can not appear, the phenomenon that following rewind roll 2 need be bled again to gas channel in rotation process, effectively reduce the power of external vacuum draw machine, thereby reduce production costs and energy consumption, make rewinder structure described in the utility model simpler, manufacturing cost is lower, it is easier to implement.

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

Under the effect of rewinding is good toilet paper at the pressure roller 3 of speed-raising suddenly, the toilet paper body paper is in last rewind roll 1, following rewind roll 2, broken in the space that pressure roller 3 threes are surrounded, the fracture of toilet paper body paper part is at the gravity of itself and/or between rewind roll 1 under the effect of the gas blow pipe 4 above the last rewind roll 1 and on falling into and following rewind roll 2, at this moment, the toilet paper body paper is rewind roll 1 surface under the effect in the vacuum suction hole 12 that is communicated with vacuum vallecular cavity 11 of last rewind roll 1 and on being adsorbed in, and be sent to continuously along with the rotation of last rewind roll 1 between rewind roll 1 and the following rewind roll 2 and pile up, simultaneously, under the mating reaction in the following rewind roll 2 surperficial vacuum suction holes 22 that are communicated with its vacuum vallecular cavity 21, the toilet paper body paper of piling up can be from last rewind roll 1, skid off between the following rewind roll 2, so under the friction force effect on last rewind roll 1 and following rewind roll 2 surfaces, the toilet paper body paper of piling up slowly is wound into the refill of a roll set, along with follow-up toilet paper body paper constantly enters under the adsorption of last rewind roll 1, the refill of roll set is slowly grown up and reenter rewind roll 1, following rewind roll 2, continue rewinding in the pressure roller 3 formed spaces until forming a new toilet roll, enter in the next working cycle.

Claims

1. toilet paper rewinder, mainly comprise rewind roll (1), following rewind roll (2), pressure roller (3), it is characterized in that described go up is provided with a vacuum vallecular cavity (11) that remains at a fixed position in last rewind roll (1) rotary course in the rewind roll (1), the opening of this vacuum vallecular cavity (11) is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll (1) and following rewind roll (2), and described roller surface of going up rewind roll (1) is densely covered with some vacuum suction holes (12) that can be communicated with this vacuum vallecular cavity (11) peristome.

2. according to the described toilet paper rewinder of claim 1, it is characterized in that being provided with in the above-mentioned down rewind roll (2) a vacuum vallecular cavity (21) that in rewind roll (2) rotary course down, remains at a fixed position, the opening of this vacuum vallecular cavity (21) is in the near zone of the transversal surface formed two round heart line D1D2 of last rewind roll (1) and following rewind roll (2), and the described roller surface of rewind roll (2) down is densely covered with some vacuum suction holes (22) that can be communicated with this vacuum vallecular cavity (21) peristome.

3. according to claim 1 or 2 described toilet paper rewinders, it is characterized in that the above-mentioned interior vacuum vallecular cavity (21) of vacuum vallecular cavity (11) in the rewind roll (1) and following rewind roll (2) of going up all is connected with external vacuum extractor.

4. according to the described toilet paper rewinder of claim 1, it is characterized in that above-mentioned top of going up rewind roll (1) is provided with gas blow pipe (4).