JP2003250715A - Small-damp-towel-preparing apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a small-damp-towel-preparing apparatus which has a cassette type of a rolling part and maximizes the ease of maintenance as a merit of the type. <P>SOLUTION: In the rolling part, a cassette 54 comprises a pair of rotating rollers 18 and 19 and a biased roller 21 as parts of the rolling part, and an endless belt 20 which is rounded around the rollers 18, 19 and 20. A fixed belt 24, which is the other part of the rolling part, is fixed on a machine frame 34. The cassette 54 is inserted into the machine frame 34 through a guide protrusion 58 and a guide gutter 60 to be engaged with a drive gear on the machine frame. When the cassette 54 is removed, the face of protrusions (24A) of the fixed belt 24 is totally opened to the outside. Therefore, it is extremely easy to remove and clean clogged pieces of sheet. It is also easy to check the abrasion condition of the fixed belt 24 by pulling out the free part of it. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rolled hand towel manufacturing apparatus for cutting a continuous sheet of pulp nonwoven fabric or the like into sheet pieces and forming the sheet pieces into rolls when passing between a traveling belt and a fixed belt. And especially,
The present invention relates to an improvement of a roll winding unit formed into a cassette.

[0002]

2. Description of the Related Art As a rolled hand towel manufacturing apparatus, a roll winding section including a traveling belt and a fixed belt is provided, and a sheet piece cut into a predetermined length from a continuous sheet is guided to the roll winding section after water is appropriately added to the sheet. It is known to roll a sheet piece into a rolled towel while the piece passes through a roll winding passage between a traveling belt and a fixed belt. Then, in this type of wet towel forming device, from the viewpoint of easy maintenance of the device, a circular moving belt (endless belt)
It has been proposed that the roll winding portion, which includes a fixing belt and a fixing belt, has a cassette structure (see known document 1).

[0003]

[Publication 1] Japanese Utility Model Publication No. 6-8789.

[0004]

In the prior art described in the prior art document 1, the roll winding section of the cassette structure is composed of a circulating belt and a fixed belt. That is, in this structure, the traveling belt and the fixed belt are integrally assembled to the support frame. On the other hand, since the sheet piece is rolled while passing through the narrow roll winding path between the cyclic moving belt and the fixed belt, if the sheet piece is clogged in the roll winding path for some reason, its removal is troublesome.
In addition, even if the debris of the sheet, the fiber waste, or the fixed amount of the antibacterial agent that is impregnated in the sheet accumulates between the belts, the cassette must be disassembled for cleaning, and the wear degree of the fixed belt must also be checked. In the structure described in the publicly known document 1, it is necessary to disassemble the cassette, and it cannot be said that the improvement of the maintainability by making the cassette is necessarily improved.

The present invention has been made in view of the above problems of the prior art, and it is an object of the present invention to maximize the advantage of forming a cassette, which is easy to maintain.

[0006]

According to the invention as set forth in claim 1, a cutting means for cutting a continuous sheet into sheet pieces of a predetermined length, a means for applying moisture to the cut sheet pieces, and a plurality of means. Rotating roller, a flexible endless belt hung on the plurality of rotating rollers, a driving unit that is power-coupled to any one of the rotating rollers, and circulates the endless belt between the rotating rollers, and the endless belt. A fixed belt disposed so as to face each other, and the rotation roller and the endless belt have a cassette structure including a supporting frame thereof, and the rotation is performed by inserting the rotation roller and the endless belt through a guide path between the rotation roller and the endless belt. The drive side of the roller is adapted to cooperate with the drive means, while the fixed belt is fixed to the machine frame at both ends with the intermediate free, and by mounting the cassette through the guide path. Hand towel manufacturing apparatus characterized by allowed to partition the roll winding path between the facing surfaces of the ratchet belt and the endless belt is provided.

The operation and effect of the invention of claim 1 will be described. A plurality of rotating rollers, which are a part of the roll winding portion, and an endless belt mounted on the rotation rollers constitute a cassette, and the roll winding portion is formed. The remaining fixed belts constituting it are fixed to the machine frame side, and this cassette is made to cooperate with the drive means on the machine frame side by inserting it between the machine frame and the machine frame through a guide path, and an endless belt. A roll winding passage may be defined between the fixing belt and the fixing belt. When the cassette is removed, the fixing belt is completely open to the outside, so it is extremely easy to remove and clean the sheet when it is jammed, and the free state of the fixing belt is pulled out to check the wear state. It's easy.

According to the invention of claim 2, claim 1
In the invention described in (1), there is provided a rolled hand towel manufacturing device characterized in that the mounting position of the end portion of the fixed belt to the machine frame is adjustable.

To explain the function and effect of the invention of claim 2, the mounting position of the mounting portion of the fixed belt on the machine frame side can be adjusted, and the endless belt and the fixed belt can be adjusted according to the thickness and length of the sheet piece. It is possible to optimally adjust the rolling path between them.

According to the invention of claim 3, claim 1
In the invention described in (1), the bias roller that engages with the endless belt at the outlet end of the roll winding passage is also incorporated in the cassette, and the bias roller biases the endless belt to the horizontal side. A manufacturing apparatus is provided.

The operation and effect of the invention of claim 3 will be described. The biasing roller incorporated in the cassette biases the endless belt horizontally toward the exit of the roll winding passage, so that the sheet piece passes through the roll winding passage. By doing so, the hand towel can be taken out from a lower portion.

According to the invention described in claim 4, in the invention described in any one of claims 1 to 3, a plurality of the fixed belts fixed to the machine frame side are provided on a surface facing the moving belt. There is provided a rolled hand towel manufacturing device characterized in that a protrusion is formed.

The operation and effect of the invention of claim 4 will be described. By forming a plurality of protrusions on the surface facing the moving belt, the friction resistance can be increased and the roll winding efficiency can be increased. Then, by pulling out the cassette structure of the moving belt and the rotating roller, the protrusion of the fixed belt can be efficiently cleaned.

According to a fifth aspect of the present invention, in the invention according to any one of the first to third aspects, the surface facing the moving belt fixed to the machine frame side is flat and the protruding portion is formed. There is provided a rolled hand towel manufacturing device characterized in that an engaging member made of an elastic body is provided at the entrance of the roll winding passage.

Explaining the operation and effect of the invention of claim 5, the fixing belt does not have a protrusion, but the core of the roll winding can be reliably formed by the engaging member made of an elastic body provided at the entrance. Therefore, the roll winding property is not impaired.

According to a sixth aspect of the present invention, there is provided a rolled hand towel manufacturing device according to the fifth aspect, wherein the engaging member is provided in the cassette structure.

The operation and effect of the invention of claim 6 will be described. By providing the engaging member in the cassette structure, the roll winding performance is ensured, and in connection with the cassette structure, the engaging member is provided in the cassette structure. As a result, the engagement member can be easily and reliably cleaned.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT FIG. 1 is an overall schematic view of a hand towel manufacturing apparatus according to the present invention, and 10 is a roll around which a continuous sheet material such as paper or pulp nonwoven fabric is wound. Is pulled out from the pull-out roller 12 and cut into a sheet piece S ′ having a predetermined length by the cutting blade 14-1 of the rotary cutter 14.

Reference numeral 16 denotes a roll winding portion for winding the sheet piece S ', which is made of a flexible material such as rubber which circulates between the pair of rotating rollers 18, 19 and the biasing roller 21 and the rollers 18, 19, 21. Endless belt made of material (circular moving belt) 20
And a fixing belt 2 also made of a flexible material such as rubber
4 and. In this embodiment the rollers 18, 19,
The roller 19 of 21 is a drive roller. Fixed belt 2
4 is fixed to the machine frame at both ends 24-1 and 24-2 as described later, and the middle is free. The fixed belt 24 is disposed so as to face the portion of the endless belt 20 that surrounds the roller 19, and as a result, a roll winding passage 26 is formed between the endless belt 20 and the fixed belt 24. The roll winding passage 26 has an inlet 26-1 and an outlet 26-2, and the sheet piece S
The end of ′ is caught by the endless belt 20 which moves as shown by the arrow a, and is introduced into the roll winding passage 26 from the inlet 26-1,
While passing between the endless belt 20 and the fixed belt 24, it is wound into a roll and discharged from the outlet 26-2 as a hand towel R. A sheet piece introduction guide 25 is provided at the inlet end 24-1 of the fixed belt 24, and a sheet piece discharge guide 27 is provided at the outlet end 24-1 of the fixed belt 24.

Reference numeral 28 denotes a nozzle, which is connected to a water supply unit (not shown).
Is sprayed on the sheet piece S'in the vicinity of the inlet 26-1 of the sheet, and an appropriate amount of water is applied to the sheet piece S '.

FIG. 2 shows the roll winding 16 in more detail. The drive roller of the rotary rollers 18, 19, 21 is the rotary roller 19, and the driven gear 23 is provided on the rotary shaft 19A thereof, and the driven gear 23 meshes with the drive gear 29 on the rotary shaft 33 of the drive motor. By the rotation of the rotary shaft 33 of the drive motor, the endless belt 20 is cyclically moved in the direction of arrow a in FIG.

In FIG. 2, the fixed belt 24 is the roller 1
Although the sagging becomes maximum at the portion where the traveling belt 9 starts to go around, a contact piece 17 made of an abrasion resistant material such as plastic is provided at this portion, and the contact piece 17 is used for the moving belt 2.
Contact 0. Therefore, the fixed belt 24 does not substantially come into contact with the moving belt 20, which is effective as a measure against wear of the fixed belt. The fixing belt 24 has a metal mounting plate 30 fixed to the inlet end 24-1 with screws or the like (not shown), and the upper surface of the mounting plate 30 forms an integral lug 31.
The lug 31 is fastened to the machine frame 34 with screws 32. In this embodiment, the support plate 30 is the nozzle 28 for water supply.
It also serves as a support for the entrance guide 25. That is, the nozzle 28 and the guide 25 are plastic molded products and extend in the sheet width direction (direction orthogonal to the paper surface of FIG. 2). The tip of the sheet piece S'is introduced along the guide 25, while the nozzle 28 has an opening facing the sheet and spaced in the width direction of the sheet, and the other end of the nozzle 28 is a water supply pump (not shown). Is connected to the pipe 37, receives water supply as indicated by an arrow f, and supplies water from the nozzle 28 toward the sheet piece S ′ as indicated by an arrow j.
On the other hand, the outlet end 24-2 of the fixed belt 24 is sandwiched between the pressing plate 36 and the discharge guide 27 with a screw 38. The discharge guide 27 has an integral lug 40 on its lower surface, and the lug 40 is fixed to the machine frame 34 with screws 42. That is, in this embodiment, the discharge guide 27 is the outlet end 24 of the fixed belt 24.
It also functions as a fixing means for -2. The mounting hole 40A of the lug 40 has a shape in which partial holes are connected as shown in FIG. 5, and the position of the fixing belt 24 with respect to the endless belt 20 can be adjusted by selecting a partial hole through which a screw is passed. Become. That is, when the sheet piece to be hand towel is thick, the screw 42 in FIG. 2 is passed through the partial hole on the left side of the mounting hole 40A, and as a result, the distance between the endless belt 20 and the fixed belt 24 is widened. On the contrary, when the thickness of the sheet piece is small, the screw 42 is passed through the partial hole on the right side of the mounting hole 40A to narrow the gap between the endless belt 20 and the fixed belt 24.

As described above, the flexible endless belt 20 is wound around the rollers 18, 19 and 21, and in addition to the rollers 18, 19 and 21, the first guide roller 44 and the second guide roller are provided. The roller 46 is provided so as to contact the endless belt 20 at the entrance of the roll winding passage 26. A restraining plate 48 is provided between the guide rollers 44 and 46 so as to contact the endless belt 20. In this embodiment, the restraining plate 48 is formed as an integrally formed part of the guide 25 fixed to the fixed belt side. The sheet piece cut by the cutter 14 in FIG. 1 is conveyed to the endless belt 20 via the first guide roller 44 as shown by an imaginary line S′1 in FIG.
After receiving water supply from 8 as indicated by an arrow j, the tip is bent like S'2 by coming into contact with the holding plate 48, and it is carried under the holding plate 48 and carried on the endless belt 20. It is introduced into the roll winding passage 26 via the guide roller 46 as shown by the imaginary line S'3, is rolled when passing through the roll winding passage 26, grows into a roll with the bent portion at the tip as a core, and exits 24-2. The rolled towel R is discharged.

Rollers 18, 19, 21 and guide rollers 44, 46
Is the width direction of the sheet piece S '(direction orthogonal to the paper surface of FIG. 2)
, And both ends are rotatably attached to the support frame 50. A pair of support frames 50 are provided on both sides as schematically shown in FIG. 4, and the rollers 18, 1 are attached to the pair of support frames 50.
9, 21 are rotatably supported by metal (not shown). Although not shown in FIG. 4, the guides 44 and 46 in FIG. 2 also extend between the support frames 50. An appropriate number of beams 52 can be stretched between the left and right support frames 50 for reinforcement.

In the present invention, the rollers 18, 19, 21 constituting a part of the roll winding portion, the endless belt 20 wound around these rollers and the guides 44, 46 together with the left and right support frames 50 are cassettes. 54, the cassette 54 is attachable to and detachable from a cavity portion 56 that is open on the front surface of the machine frame 34, as shown in FIG. The fixed belt 24, which is the remaining constituent portion of the roll winding portion, is also a component to be mounted in the hollow portion 56, but is a component fixed to the machine frame 34 separated from the cassette 54. That is, the intermediate portion of the fixed belt 24 is free, but the inlet end 24-1 is the mounting plate 30, and the outlet end 24-2 is the discharge guide 27 that also functions as a mounting plate. It is fixed to. As described above, the inlet guide 25 and the nozzle body 28, which are plastic molded products, are also fixed to the mounting plate 30.

In order to allow the cassette 54 to be inserted into the cavity 56 of the machine frame 34, guide protrusions 58 (see also the schematic cross-sectional view of FIG. 4) extend obliquely upward on both side walls of the cavity 56. On the other hand, the guide groove 60 is formed on the outer surface of the left and right support frames 50 forming the cassette 54 so as to extend obliquely upward.

The cassette 54 can be prepared by introducing it into the machine frame cavity 56 as shown by the arrow F in FIG. That is, when the cassette 54 is introduced in this direction, the grooves 60 on the outer surface of the left and right support frames 50 of the cassette 54 are introduced into the guide protrusions 58 on the wall surface of the cavity 56, and when inserted deeply as shown in FIG. The driven gear 23 meshes with the drive gear 29 on the drive shaft 33 of the drive motor.
Then, a roll winding passage is formed between the fixed belt 24 and the endless belt 20, and the roll winding portion is completed. If necessary, a locking means for locking the cassette mounting state of FIG. 2 is provided.

In the present invention, the rollers 18, 19, 21 which are the main parts constituting the roll winding portion, the endless belt 20 circulating the rollers 18, 19, 21 and the roller 19 are arranged so as to face the endless belt 20. Roller 1 of the fixed belt 24
8, 19, 21 and the endless belt 20 are made into a cassette, and the remaining fixing belt 24 is a component fixed to the machine frame side. Therefore, the fixed belt 24 remains on the machine frame side when the cassette 54 is removed as shown in FIG. Therefore, when a sheet piece is clogged between the endless belt 20 and the fixed belt 24, it can be removed very easily by pulling out the cassette 54 as shown in FIG. Further, in this embodiment, the fixed belt 2 facing the endless belt 20.
A large number of projections 24A for enhancing the engagement with the sheet piece being rolled are integrally formed on the surface of No. 4 as shown in FIG.
Since 4A can be seen from the outside and the free central portion can be pulled out, it is possible to immediately judge the wear situation and replace it if necessary.

In the embodiment described above, the roll winding portion has the auxiliary roller 21.
No. 1 biases the endless belt 20 to the horizontal side at the outlet 26-1 side of the roll winding passage 26, and allows the completed roll R as shown in FIG. 1 to be taken out at a lower portion. However, the present invention does not have an auxiliary roller as shown in FIG. 6, but has only the pair of rollers 118 and 119.
It can also be applied to the one of 16. That is, in this case, the roll winding unit 116 includes the pair of rollers 118 and 119, and the endless belt 120 that circulates the pair of rollers 118 and 119, and the support frame 150 to form the cassette 154.
Similarly to the first embodiment shown in FIG. 3, the intermediate portion of the fixing belt 124 is free in the embodiment of FIG. 6 and is fixed to the machine frame side at both ends 124-1 and 124-2. With this configuration, the function and effect of the present invention can be achieved even in this configuration.

FIG. 7 shows a roll winding portion 216 according to still another embodiment of the present invention. In this embodiment, the roll winding portion 216 is of the three-roller type, which includes the rotating rollers 18 and 19 and the displacement roller 21 as in the first embodiment. Unlike the first embodiment, the fixed belt 124 is flat over the entire surface as shown in FIG. 8, and in other words, the fixed belt 124 faces the moving belt 20 and faces 24A in the first embodiment.
It does not have any protrusions (see FIG. 3). Instead, the inlet plate 26-1 of the roll winding passage 26 between the fixed belt 124 and the movable belt 20 is provided with an engagement plate 70 (engagement member of the present invention) made of an elastic member such as rubber. The engaging plate 70 extends over the entire width of the fixed belt 124 and the moving belt 20, one end is fixed to the introducing plate 25, the other free end extends in a cantilever manner so as to incline toward the opposing surface of the moving belt 20, and the leading end is The movable belt 20 is brought into contact with the facing surface of the moving belt 20 under some elastic deformation, and a large number of needle-like protrusions 70-1 are provided on the surface facing the moving belt 20.

The structure in which the engagement plate 70 made of a rubber plate provided in the inlet portion 26-1 of the roll winding passage 26 is extended in a cantilever manner so as to be inclined toward the facing surface of the moving belt 20 is used. Since the sheet piece introduced into the inlet portion 26-1 of the sheet is elastically pressed against the moving belt 20 by the engagement plate 70, the tip of the sheet piece is bent so that the engagement plate 70 surely engages with the tip of the sheet piece. The roll-wound core can be reliably formed. The fact that a large number of needle-shaped projections 70-1 are formed on the lower surface of the engaging plate 70 can also contribute to the reliable engagement of the engaging plate 70 with the tip of the sheet piece.
Since the engagement plate 70 ensures the performance of forming the core of the roll winding, the growth of the roll winding is not adversely affected even if the fixing belt 124 is a plane (no protrusion) over the entire surface, and reliable roll growth is achieved. You can
The ratio of defective products can be kept low. Since the fixing belt 124 is a plain surface over the entire surface, the mold at the time of molding can be simplified, the manufacturing cost can be reduced, the wear rate can be suppressed, and the life can be expected to be extended. Further, the plastic contact piece 117, which is provided at a portion where the fixed belt 124 starts to hang down and which starts to circulate around the rotary roller 19, prevents the fixed belt 124 from being strongly rubbed with the moving belt 20, and the fixed belt is reduced due to abrasion. The durability of 20 can be enhanced as in the first embodiment.

The rollers 18, 19, 21 are the same as those in the first embodiment.
Constitutes a cassette structure 254 together with the frame 70, and as shown in FIG. 8, the cassette structure 254 is detachable in a cassette manner from the other components of the roll winding portion. As in the first embodiment, a guide protrusion 58 on the machine frame side and a guide groove 60 on the cassette structure 254 side are provided for detachment. Further, in this embodiment, unlike the first embodiment, the introduction guide 25 and the nozzle 28 are also provided on the cassette structure 54 side as shown in FIG. Since the nozzle 28 is provided on the cassette structure 54 side, the cassette 54
There is an advantage that the nozzle 28 can be easily inspected and maintained when the nozzle is pulled out. Further, since the engaging plate 70 is also provided on the cassette structure 54 side, there is an advantage that the cleaning thereof is easy.

[Brief description of drawings]

FIG. 1 is an overall schematic view of a hand towel manufacturing apparatus of the present invention.

FIG. 2 is a detailed configuration diagram of a roll winding unit according to the first embodiment of the present invention.

FIG. 3 is similar to FIG. 2, but for purposes of illustrating the cassette structure of the present invention.

4 is a cross-sectional view of the cassette section taken along the line IV-IV in FIG.

5 is a view from the direction of the arrow V in FIG.

FIG. 6 is a diagram showing a second embodiment of the present invention in which a two-roller type roll winding portion is formed into a cassette.

FIG. 7 is a diagram showing an application embodiment of the present invention in a roll winding part in which a fixed belt is a plain (no protrusion) and an elastic engagement plate is provided at an inlet part of a roll winding passage.

8 is a view showing a state in which the cassette structure is detached from a plain type fixing belt in the roll winding portion of FIG. 7.

[Explanation of symbols]

10 ... Continuous sheet roll 14 ... Rotary cutter 16 ... Roll winding part 18, 19 ... Rotating rollers 20 ... endless belt 21 ... biased roller 24 ... Fixing belt 26 ... Roll winding passage 28 ... Nozzle 34 ... Machine frame 50 ... Support frame 54 ... Cassette 56 ... Cassette mounting cavity on the front of machine frame 58 ... Guide protrusion 60 ... Guide groove

Claims (6)

[Claims] 1. A cutting means for cutting a continuous sheet into a sheet piece having a predetermined length, a means for applying moisture to the cut sheet piece, a plurality of rotating rollers, and a plurality of roller mounted on the plurality of rotating rollers. The rotating roller includes: a flexible endless belt; a driving unit that is power-coupled to any one of the rotating rollers to move the endless belt in a circulating manner between the rotating rollers; and a fixed belt that is arranged to face the endless belt. And the endless belt has a cassette structure including its support frame,
The drive side of the rotary roller is made to cooperate with the drive means by being inserted into the machine frame via a guide path, while the fixed belt is free in the middle and is fixed to the machine frame at both ends thereof. A hand towel manufacturing device, characterized in that the roll winding passage is partitioned between the facing surfaces of the fixed belt and the endless belt, which is fixed and the cassette is mounted through the guide passage. 2. The rolled hand towel manufacturing device according to claim 1, wherein the mounting portion of the fixed belt end portion to the machine frame is adjustable in its mounting position. 3. The invention according to claim 1, wherein a biasing roller that engages with the endless belt at the exit end of the roll winding passage is incorporated in the cassette, and the biasing roller biases the endless belt horizontally. A rolled hand towel manufacturing device characterized by being squeezed. 4. The invention according to any one of claims 1 to 3, wherein the fixed belt fixed to the machine frame has a plurality of protrusions on a surface facing the moving belt. Characteristic rolled hand towel manufacturing device. 5. The invention according to any one of claims 1 to 3, wherein the surface facing the moving belt fixed to the machine frame is flat and does not have a protrusion, and the inlet of the roll winding passage is provided. A rolled hand towel manufacturing device, characterized in that an engaging member made of an elastic body is provided in the portion. 6. The rolled hand towel manufacturing device according to claim 5, wherein the engaging member is provided in the cassette structure.