CN201857145U - Dual-purpose rewinder for manufacturing cored and coreless toilet paper rolls - Google Patents

Abstract

A dual-purpose rewinder for manufacturing cored and coreless toilet paper rolls comprises an upper rewinding roller, a lower rewinding roller, a rewinding compression roller and a paper tube core feeding mechanism, wherein the upper portion of the lower rewinding roller is provided with a plurality of dual-purpose guide plates for rolling coreless toilet paper during winding and guiding in paper tube cores during winding of cored toilet paper, and the lower rewinding roller is provided with a plurality of grooves capable of containing the dual-purpose guide plates. Moreover, the dual-purpose guide plates can timely rise from the grooves of the lower rewinding roller by the aid of driving of a second driving mechanism when the coreless toilet paper is rewound, so that the tops of the front ends of the dual-purpose guide plates are connected with the surface of the upper rewinding roller in a contact manner. As the structure of the dual-purpose guide plates is added to the upper portion of the lower rewinding roller ingeniously, rewinding of the two types of toilet paper rolls is realized reliably and rapidly by the aid of lifting of the fronts of the dual-purpose guide plates in the grooves of the lower rewinding roller, production efficiency is increased, processing manufacturers can simultaneously process and produce the cored toilet paper and the coreless toilet paper only with one machine, and production cost is reduced.

Description

Dual-purpose rewinder for manufacturing coreless toilet paper rolls

technical field

The utility model belongs to the field of mechanical processing, in particular to a rewinder for processing thin strips such as toilet paper.

Background technique

Existing rewinding machines for processing thin strips such as toilet paper generally include an upper rewinding roller, which is used to drive the rewound toilet paper base paper from upstream to downstream (the upstream and downstream generally refer to the direction along the In the feeding direction of toilet paper base paper, the rear part between the axis lines of the upper and lower rewinding rollers is upstream, and the front part, that is, the part of the rewinding area is downstream); the feed that rotates in the same direction as the upper rewinding roller The lower rewinding roller, and an adjustable gap is formed between the lower rewinding roller and the upper rewinding roller, and the rewound toilet paper base paper passes through the gap along the upstream to downstream direction; When the roll winding is completed, cut off the rewinding press roller of the toilet paper base paper, and form a rewinding area for winding toilet paper between the rewinding press roller, the upper rewinding roller and the lower rewinding roller. The rewinding machine composed of this structure can only effectively cooperate with auxiliary devices such as the corresponding paper core supply mechanism or coreless winding mechanism to realize a single type of processing method for cored toilet paper and coreless toilet paper, making paper products The processing factory needs to be equipped with multiple corresponding equipment to process and produce cored paper rolls and coreless paper rolls respectively, which not only increases the manufacturing cost, but also requires a larger processing plant area. Especially for the existing coreless toilet paper rewinding machine, when it is converted to cored paper roll rewinding, its auxiliary device needs to be removed, the workload is heavy, and high-precision and high-demand debugging and calibration are required to be reinstalled. , resulting in long downtime and affecting production efficiency.

Contents of the invention

The purpose of this utility model is to solve the above-mentioned problems, and to provide a toilet paper with ingenious and reliable structure, convenient and fast production and conversion of cored and coreless toilet paper, simple and easy, and low cost, which can be used for both cored paper rolls and coreless paper rolls. Dual-purpose rewinding machine for the processing and production of toilet paper rolls.

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

A dual-purpose rewinder for manufacturing coreless toilet paper rolls, comprising:

An upper rewinding roller, used to drive the feed of the rewound toilet paper base paper from upstream to downstream;

A lower rewinding roller that rotates in the same direction as the upper rewinding roller, and an adjustable gap is formed between the lower rewinding roller and the upper rewinding roller, and the rewound toilet paper base paper passes through the gap from upstream to downstream;

A rewinding pressure roller with adjustable speed is used to cut off the above-mentioned toilet paper base paper when the toilet paper roll is wound, and the rewinding pressure roller forms a winding toilet paper rewinding roller with the upper rewinding roller and the lower rewinding roller. volume area;

A paper tube core feeding mechanism, including a paper tube core lifting arm installed upstream of the lower rewinding roller and a first drive mechanism for driving the paper core lifting arm, and the paper core lifting arm can be timely when the cored toilet paper is rewound Under the action of the first driving mechanism, the paper tube core is sent into the gap between the upper rewinding roller and the lower rewinding roller;

Its characteristic is that the upstream part of the lower rewinding roller is provided with several dual-purpose guide plates, which are used for winding when the coreless toilet paper is wound and for introducing the paper tube core when the cored toilet paper is wound. There are several grooves that can accommodate the dual-purpose guide plate, and the dual-purpose guide plate can be driven by the second drive mechanism to rise from the groove of the lower rewinding roller in time to make its front end peak Contact with the surface of the upper rewinding roller.

Wherein, the front end of the above-mentioned dual-purpose guide plate is provided with at least one concave portion for rolling the coreless toilet paper.

The apex of the front end of the above-mentioned dual-purpose guide plate is located at the position where the axis line of the upper rewinding roller and the lower rewinding roller deviate from the rewinding area.

The surface of the above-mentioned upper rewinding roller is a structure with a smooth ring surface and a high friction coefficient ring surface alternately, the groove part on the surface of the above-mentioned lower rewinding roller corresponds to the smooth ring surface on the surface of the upper rewinding roller, and the rest of the surface of the lower rewinding roller is High friction coefficient ring surface, the front end apex surface of the above-mentioned dual-purpose guide plate is a high friction coefficient surface.

Downstream of the lower rewinding roller is provided a fixed guide plate for guiding the rewound paper roll out, and the front part of the fixed guide plate is a semicircular front guide plate with the same radian as the lower rewinding roller. The semicircular front guide plate is embedded in the groove on the surface of the lower rewinding roller and fills the groove so that the downstream part of the lower rewinding roller surface is a flat surface, and the upper surface of the semicircular front guide plate is a smooth surface. flat.

In order to facilitate the roll-up of the cored toilet paper and the winding of the cored toilet paper roll, an upper blowing pipe is provided at the downstream part of the above-mentioned upper rewinding roller, and a lower blowing pipe is provided at the upstream part of the above-mentioned lower rewinding roller. When used for cored toilet paper winding, the starting end of toilet paper base paper can be pasted on the paper tube core in good time. And the above-mentioned upper rewinding roller is provided with several vacuum suction holes.

The method for manufacturing a coreless toilet paper roll described in the utility model adopts a dual-purpose rewinder as mentioned above for manufacturing a coreless toilet paper roll, and comprises the following steps:

(1) Select the working type of the rewinder according to the needs of the production type. If it is to produce coreless toilet paper rolls, go to step (2); if it is to produce cored toilet paper rolls, go to step (3) ;

(2) Adjust the gap between the upper rewinding roller and the lower rewinding roller, usually between 2-20mm. At this time, the dual-purpose guide plate is in the groove of the lower rewinding roller, and the paper can be freely on the upper rewinding roller, The lower rewinding roller passes through and rewinds. When the rewinding of the paper roll reaches the required diameter, the speed of the rewinding pressure roller is increased, and the toilet paper base paper in the rewinding area is pulled off the paper web along its imaginary tangent, and the rewinding is completed. The paper roll rolls out of the three-roller rewinding area. At the same time, the second driving mechanism drives the dual-purpose guide plate so that the apex of the front end rises from the groove of the lower rewinding roller and contacts the smooth surface of the upper rewinding roller. At this time, the two Use the vertex of the front end of the guide plate to press the cut-off starting end of the toilet paper base paper to brake the base paper. Accumulate in the space enclosed by the concave part, when the accumulation reaches the gap between the upper rewinding roller and the lower rewinding roller, it will be rolled up by friction under the action of the upper rewinding roller and the lower rewinding roller with the opposite surface, forming New winding core, after the new winding core is formed, the second driving mechanism drives the apex of the front end of the dual-purpose guide plate to leave the smooth surface of the upper rewinding roller, and finally hides the dual-purpose guide plate completely in the groove of the lower rewinding roller, The paper core continues to grow, and the lower rewinding roller decelerates appropriately. The paper roll moves downstream and enters the three-roller rewinding zone while becoming larger, and the lower rewinding roller returns to normal speed for rewinding. After the rewinding reaches the required diameter, repeat The above steps until the end of this production;

(3) According to the diameter of the paper core, adjust the gap between the upper rewinding roller and the lower rewinding roller to fit the passage of the paper core, usually 2 mm smaller than the diameter of the paper core, and the dual-purpose guide plate is always fixed and hidden on the lower rewinding roller In the groove, without any movement, it is only used as a paper core guide plate. At this time, the toilet paper base paper can freely pass between the upper rewinding roller and the lower rewinding roller and be rewound in the three-roller rewinding area. When the rewinding reaches the required diameter, the first driving mechanism drives the paper tube to lift the arm to push the paper core to the entrance of the gap between the upper rewinding roller and the lower rewinding roller, so that the paper tube core is pressed against the paper web, and at the same time, the rewinding Speed up the press roller, break the paper web along the imaginary tangent line of the toilet paper base paper in the three-roller rewinding area, and quickly roll the paper roll out of the three-roller rewinding area, and simultaneously spray air from the upper blowing pipe and the lower blowing pipe to make the toilet paper base paper The slack end, that is, the starting end, is rewound on the surface of the paper tube core. At this time, the lower rewinding roller decelerates appropriately, and the paper tube core moves downstream into the three-roller rewinding area while winding the toilet paper, and the lower rewinding roller returns to normal. After rewinding reaches the required diameter, repeat the above steps until the end of this production.

Because the utility model cleverly adopts the structure of adding a dual-purpose guide plate at the upstream part of the lower rewinding roller, and utilizes the lifting and lowering of the front part of the dual-purpose guide plate in the groove of the lower rewinding roller, the rewinding of two kinds of toilet paper rolls can be realized reliably and quickly , When changing the production type of toilet paper, professional technicians are not required to participate, and ordinary operators only need to simply adjust the gap between the upper and lower rewinding rollers and control the start and stop of the two driving mechanisms. The downtime is short and the production efficiency is improved. The processing manufacturer only needs one machine to process and produce the cored toilet paper and the coreless toilet paper at the same time, which not only reduces the production cost, but also reduces the area of the factory area.

Description of drawings

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

Fig. 1 is a structural composition schematic diagram of the utility model;

Fig. 2 is a schematic diagram of the connection structure between the lower rewinding roller and the dual-purpose guide plate of the present invention;

Fig. 3 is a structural schematic diagram of the toilet paper roll rewinding between three rollers according to the utility model;

Fig. 4 is a schematic diagram of the mechanism of the coreless toilet paper roll of the utility model at the moment of breaking and rolling;

Fig. 5 is the enlarged structural representation of Fig. 4 at I place;

Fig. 6 is a structural schematic view of the roll-up gradient of the coreless toilet paper roll described in the present invention;

Fig. 7 is a schematic diagram of the enlarged structure of Fig. 6 at K;

Fig. 8 is a schematic diagram of the structure of the coreless toilet paper roll according to the present invention when it enters the three-roller rewinding zone after being rolled;

Fig. 9 is a schematic diagram of an enlarged structure at L in Fig. 8;

Fig. 10 is a structural schematic view of the cored paper roll described in the present invention when rewinding between three rolls;

Fig. 11 is a schematic diagram of the mechanism at the moment of breaking and rolling of the cored toilet paper roll according to the present invention;

Fig. 12 is a schematic structural view of the surface of the upper rewinding roller of the present invention.

Detailed ways

As shown in Figures 1 to 12, a dual-purpose rewinder for manufacturing coreless toilet paper rolls described in the utility model includes:

An upper rewinding roller 7, used to drive the feed of the rewound toilet paper base paper 9 from upstream to downstream;

A lower rewinding roller 4 that rotates in the same direction as the upper rewinding roller 7, and an adjustable gap is formed between the lower rewinding roller 4 and the upper rewinding roller 7, and the rewound toilet paper base paper 9 moves from upstream to downstream direction through the gap;

A speed-adjustable rewinding press roller 8 used to cut off the above-mentioned toilet paper base paper 9 when the toilet paper roll is wound is completed, and the rewinding press roller 8 is formed between the upper rewinding roller 7 and the lower rewinding roller 4 Rewinding area for toilet paper;

A paper tube core supply mechanism, including a paper tube core lifting arm 2 installed upstream of the lower rewinding roller 4 and a first drive mechanism 1 for driving the paper tube core lifting arm 2, and the paper tube core lifting arm 2 is placed on the cored toilet paper When rewinding, the paper tube core can be sent into the gap between the upper rewinding roller 7 and the lower rewinding roller 4 under the action of the first driving mechanism 1 in good time;

And the upstream part of the lower rewinding roller 4 is provided with several dual-purpose guide plates 3, and the dual-purpose guide plates 3 are used for the roll-up of the coreless toilet paper and the introduction of the paper tube core when the cored toilet paper is wound. 4 is provided with a number of grooves 41 that can accommodate the dual-purpose guide plate 3, and the dual-purpose guide plate 3 can be driven from the groove of the lower rewinding roller 4 in good time by the drive of the second drive mechanism 11 when the coreless toilet paper is rewound. 41, it is raised to make its front end apex 31 contact with the upper rewinding roller 7 surface. As shown in Figure 2, one end of the dual-purpose guide plate 3 is installed on a swing rod 17, and bearings B16 are respectively provided at both ends of the swing rod 17, and bearings A15 are respectively provided at both ends of the lower rewinding roller 4.

Wherein, the front end of the dual-purpose guide plate 3 is provided with at least one concave portion 32 for rolling the coreless toilet paper.

The apex 31 of the front end of the above-mentioned dual-purpose guide plate 3 is located at a position where the axes of the upper rewinding roller 7 and the lower rewinding roller 4 deviate from the rewinding area.

The surface of the above-mentioned upper rewinding roller 7 is a structure in which a smooth ring surface 27 and a high friction coefficient ring surface 26 are alternated. The remaining surface of the winding roller 4 surface is a high friction coefficient ring surface, and the front end apex 31 surface of the above-mentioned dual-purpose guide plate 3 is a high friction coefficient surface.

The downstream of the above-mentioned lower rewinding roller 4 is provided with a fixed guide plate 6 for guiding the rewound paper roll 18 out, and the front part of the fixed guide plate 6 is a half arc that is the same as that of the lower rewinding roller 4 radians. Circular front guide plate, the semicircular front guide plate is embedded in the groove 41 on the surface of the lower rewinding roller 4 and fills the groove 41, so that the downstream part of the surface of the lower rewinding roller 4 is a flat surface, and the semicircle The upper surface of the shaped front guide plate is a smooth plane. And the fixed guide plate 6 is installed on the frame 5 .

In order to facilitate the winding of the cored toilet paper and the winding of the cored toilet paper roll, an upper blowing pipe 23 is provided at the downstream part of the above-mentioned upper rewinding roller 7, and a lower blowing pipe 23 is provided at the upstream part of the above-mentioned lower rewinding roller 4. The air blowing pipe 24 is used for blowing in good time when the cored toilet paper is wound to attach the starting end of the toilet paper base paper 9 to the paper tube core. And the above-mentioned upper rewinding roller 7 is provided with a plurality of vacuum suction holes 20 . As shown in FIG. 12 , the two ends of the upper rewinding roller 7 are respectively provided with vacuum suction cups 25 connected to external vacuum pumps, and the vacuum suction cups 25 are fixed on the frame through pull rods 71 .

The method for manufacturing a coreless toilet paper roll described in the utility model adopts a dual-purpose rewinder as mentioned above for manufacturing a coreless toilet paper roll, and comprises the following steps:

(1) Select the working type of the rewinder according to the needs of the production type. If it is to produce coreless toilet paper rolls, go to step (2); if it is to produce cored toilet paper rolls, go to step (3) ;

(2) Adjust the gap between the upper rewinding roller 7 and the lower rewinding roller 4, usually between 2-20mm. At this time, the dual-purpose guide plate 3 is in the groove 41 of the lower rewinding roller 4, and the paper can be freely in the The upper rewinding roller 7 and the lower rewinding roller 4 pass through and rewind. When the paper roll reaches the required diameter, the rewinding pressure roller 8 speeds up, and the toilet paper base paper 9 in the rewinding area is pulled off along its imaginary tangent. paper web, and roll the rewinded paper roll 18 out of the three-roller rewinding area. Lift up and contact the smooth surface of the upper rewinding roller 7, at this time, the apex 31 of the front end of the dual-purpose guide plate 3 presses the cut-off starting end of the toilet paper base paper 9 to brake the base paper, and the starting end of the toilet paper base paper 9 is vacuum-adsorbed on the top Rewinding roll 7 surface, accumulate in the space surrounded by upper rewinding roll 7, lower rewinding roll 4 and the recessed part 32 of dual-purpose guide plate 3, when piled up to last rewinding roll 7 and lower rewinding roll 4 When the gap is filled, under the action of the upper rewinding roller 7 and the lower rewinding roller 4 whose surfaces are reversed, the friction is rolled up to form a new winding core. After the new winding core is formed, the second driving mechanism 11 drives the dual-purpose guide plate The apex 31 of the front end of 3 is separated from the smooth surface of the upper rewinding roller 7, and finally the dual-purpose guide plate 3 is completely hidden in the groove 41 of the lower rewinding roller 4, the paper core continues to grow, and the lower rewinding roller 4 is properly slowed down. The paper roll moves downstream and enters the three-roller rewinding zone while becoming larger, and the lower rewinding roller 4 returns to the normal speed for rewinding. After the rewinding reaches the required diameter, repeat the above steps until the end of this production;

(3) According to the diameter of the paper core, adjust the gap between the upper rewinding roller 7 and the lower rewinding roller 4 to be suitable for the passage of the paper core, usually 2 mm smaller than the diameter of the paper core, and the dual-purpose guide plate 3 is always fixed and hidden in the lower In the groove 41 of the rewinding roller 4, there is no movement, it is only used as a paper tube core guide plate. At this time, the toilet paper base paper 9 can freely pass between the upper rewinding roller 7 and the lower rewinding roller 4 and be rewound on the three rollers. Rewinding is carried out in the roll area. When the paper roll reaches the required diameter, the first driving mechanism 1 drives the paper tube lifting arm 2 to push the paper core to the entrance of the gap between the upper rewinding roller 7 and the lower rewinding roller 4, so that the paper tube The core presses the paper web, and at the same time, the rewinding pressure roller 8 speeds up, and the toilet paper base paper 9 in the three-roller rewinding area is pulled off the paper web along its imaginary tangent, and the paper roll is quickly rolled out of the three-roller rewinding area At the same time, the upper air blowing pipe 23 and the lower air blowing pipe 24 spray air, so that the loose end of the toilet paper base paper 9, that is, the starting end, is rewound on the surface of the paper tube core. Moving downstream into the three-roller rewinding area, the lower rewinding roller 4 returns to the normal speed for rewinding. After the rewinding reaches the required diameter, repeat the above steps until the end of this production.

Although the invention has been described with reference to specific embodiments, such description is not meant to limit the invention. With reference to the description of the present utility model, other changes of the disclosed embodiments are expected by those skilled in the art, and such changes shall fall within the scope defined by the appended claims.

Claims (7)

1. a manufacturing has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, comprising:

Rewind roll on one (7) is used to drive by the toilet paper body paper (9) of rewinding from the upstream to the feeding of downstream direction;

The one following rewind roll (4) of rotating in the same way with last rewind roll (7), and be formed with the adjustable gap of spacing between rewind roll (4) and the last rewind roll (7) is down passed through this gap along the upstream to downstream direction by the toilet paper body paper (9) of rewinding;

One has the rewinding pressure roller (8) that is used for cutting off when finishing at the toilet paper roll coiling above-mentioned toilet paper body paper (9) of adjustable speed, and forms the rewinding district of coiling toilet paper between this rewinding pressure roller (8) and last rewind roll (7) and the following rewind roll (4);

One paper tube core feed mechanism, comprise that the paper tube core that is installed on down rewind roll (4) upstream lifts arm (2) and drive first driver train (1) that the paper tube core is lifted arm (2), and this paper tube core is lifted arm (2) and can be in time when the rewinding of core toilet paper is arranged the paper tube core be sent in the gap of rewind roll (7) and following rewind roll (4) in the effect of first driver train (1);

It is characterized in that the upstream portion of rewind roll (4) is provided with some dual-purpose guide plates (3) down, this dual-purpose guide plate (3) be used for coreless roll of hygiene paper around the time roll set and have the core toilet roll around the time the paper tube core import, following rewind roll (4) is provided with some grooves (41) that hold this dual-purpose guide plate (3), and the driving that this dual-purpose guide plate (3) can be by second driver train (11) when the rewinding of centreless toilet paper is in time risen from the groove (41) of rewind roll (4) down and its forward end apex (31) and last rewind roll (7) surface bumped connect.

2. manufacturing according to claim 1 has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, and the leading section of above-mentioned dual-purpose guide plate (3) is provided with at least one recessed portion that is used for centreless toilet paper roll set (32).

3. manufacturing according to claim 1 has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, it is characterized in that the forward end apex (31) of above-mentioned dual-purpose guide plate (3) is positioned at the position in the inclined to one side rewinding of the axial line district of rewind roll (7) and following rewind roll (4).

4. the dual-purpose rewinding machine that core coreless roll of hygiene paper tube is arranged according to claim 1 or 2 or 3 described manufacturings, it is characterized in that above-mentioned rewind roll (7) surface of going up is smooth anchor ring (27) and the alternate structure of great friction coefficient anchor ring (26), the corresponding smooth anchor ring (27) of going up rewind roll (7) surface of groove (41) part on above-mentioned rewind roll (4) down surface, the remaining surface on following rewind roll (4) surface is the great friction coefficient anchor ring, and forward end apex (31) surface of above-mentioned dual-purpose guide plate (3) is the great friction coefficient face.

5. manufacturing according to claim 1 has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, the downstream that it is characterized in that above-mentioned down rewind roll (4) is provided with one and is used for resting guide (6) that paper roll (18) guiding that rewinding finishes is come out, and the front portion of this resting guide (6) is a radian and the identical semicircle front guide of following rewind roll (4) radian, also fill in the groove (41) on rewind roll (4) surface under this semicircle front guide embeds and expire groove (41), making down the downstream part on rewind roll (4) surface is a burnishing surface, and the upper surface of described semicircle front guide is a smooth flat.

6. manufacturing according to claim 1 has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, it is characterized in that above-mentioned downstream portion office of going up rewind roll (7) is provided with gas blow pipe (23), the upstream portion office of above-mentioned down rewind roll (4) is provided with down gas blow pipe (24), be used to have the core toilet roll around the time can be in time the initiating terminal of toilet paper body paper (9) be fitted in the paper tube core.

7. manufacturing according to claim 1 has the dual-purpose rewinding machine of core coreless roll of hygiene paper tube, it is characterized in that the above-mentioned rewind roll (7) that goes up is provided with some vacuum suctions hole (20).

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