WO2015000348A1

WO2015000348A1 - Paper handkerchief folding device

Info

Publication number: WO2015000348A1
Application number: PCT/CN2014/079470
Authority: WO
Inventors: 邓颖忠; 邓冠彪; 张洪
Original assignee: 中顺洁柔纸业股份有限公司
Priority date: 2013-07-02
Filing date: 2014-06-09
Publication date: 2015-01-08
Also published as: CN103332525A; EP3018084B1; KR20160024381A; KR101780158B1; CN103332525B; EP3018084A4; EP3018084A1

Abstract

A paper handkerchief folding device comprises a longitudinal folding unit (1), a transverse folding unit (2) and a flower plate unit (5) in a sequential connection, and paper webs (3) are sequentially strung on the longitudinal folding unit (1) and the transverse folding unit (2) in a tensioning mode. Paper handkerchief is folded into three folding surfaces in Z-shaped along the width direction by the longitudinal folding unit (1), and then refolded half twice along the length direction to form four folding surfaces by the transverse folding unit (2). The paper handkerchief folding device ensures high production efficiency and fast speed, low production cost, and adjustable specification of produced paper, and the products are more exquisite.

Description

Paper handkerchief folding processing equipment

Technical field

The invention relates to the production field of paper handkerchiefs, in particular to a paper handkerchief folding processing device.

Background technique

The paper handkerchief is a new type of cleaning paper that acts as a traditional handkerchief and acts as a wiping test, made of soft paper. Because of its small size and convenient carrying, the paper handkerchief can absorb water and wipe off stains, thus bringing great convenience to people's lives. It has become a favorite item for every household and is popular among consumers.

At present, the size of the paper handkerchief commonly used in the market is generally fixed, and even some packages are too large to cause inconvenience. Accordingly, the production equipment for producing paper handkerchief can only produce such a handkerchief with a fixed specification or close to such a specification.

Moreover, most of the packaging process in the existing paper handkerchief production line requires a large amount of labor to assist in the completion. This production method not only causes high labor costs, low production efficiency, and slow speed, but also the paper specifications are not adjustable, the shape and size are single, and some paper handkerchiefs are often too large after being put into the packaging bag. It is inconvenient to carry, giving people visual discomfort. Producing an ultra-mini paper handkerchief with a smaller size, more convenient carrying, and higher utilization has become an urgent need of producers and consumers. Technology has been unable to meet the needs of industrial production.

technical problem

In view of the above defects existing in the prior art, the present invention provides a paper handkerchief folding processing device, which solves the problems of high labor cost, low production efficiency, slow speed, and production in the original paper handkerchief folding process. The paper handkerchief paper size is not adjustable, the shape and size are single, and the technical problems of inconvenience are inconvenient.

Technical solution

The paper handkerchief folding processing device provided by the present invention comprises at least one longitudinal folding unit, at least one horizontal folding unit and a multi-flower tray unit which are arranged in series on the machine platform, and the paper web is sequentially tensioned and disposed in the longitudinal folding. The unit and the horizontal folding unit, wherein the longitudinal folding unit comprises at least two traction rollers, and a longitudinal folding assembly is arranged between the traction rollers, wherein

The longitudinal folding assembly comprises two folding plates, one of which is provided with a beveled edge, and a portion of the overlapping plate is provided with a partial overlapping area, and the partially overlapping area leaves a gap through which the paper web passes. The web is folded along one side of the other folded sheet under the restriction of the beveled edge.

Further, the traction roller comprises a first traction roller, a second traction roller, a third traction roller and two longitudinal folding assemblies, the first longitudinal folding assembly being disposed between the first traction roller and the second traction roller, The second longitudinal folding assembly is disposed between the second traction roller and the third traction roller.

Further, the first longitudinal folding assembly includes a first folding plate and a second folding plate, the first folding plate is provided with a first oblique side, and the first folding plate and the second folding plate are provided a partially superimposed area, the partial superimposed area leaving a first slit for the web to pass through;

The second longitudinal folding assembly includes a third folding plate and a fourth folding plate, the third folding plate is provided with a second oblique side, and the third folding plate and the fourth folding plate are provided with a partial overlapping area The partial overlap region is left with a second slit through which the web passes.

Further, the first folding plate and the third folding plate have a right-angled trapezoidal shape, the second folding plate and the fourth folding plate have a rectangular shape, and the first oblique side and the second oblique side are right-angled trapezoidal oblique The waist is formed vertically along a vertex of the oblique waist such that the length of the line segment is equal to the height of the trapezoid, and one side of the second folding plate and the fourth folding plate coincides with the line segment.

Further, the other folding plate is provided with a guiding plate for introducing the web, and the guiding plate is at an angle with the other folding plate.

Further, the second folded sheet has a width of 160 to 183 mm, preferably 182 mm; and the fourth folded sheet has a width of 52 to 62 mm or 79 to 92 mm, preferably 61 mm or 91 mm.

Further, the horizontal folding unit comprises a paper feed bottom knife roller disposed on the machine table, a face cutter roller tangential to the paper feed bottom cutter roller, a folding main roller, and a first paper folding roller respectively tangential to the folding main roller And a second paper folding roller, wherein the paper bottom knife roller is provided with two slitting knifes, the surface knife roller is provided with two slitting cutters, and the first folding roller is provided with a first a paper folding knife and a first air hole, and the second paper folding roller is provided with a second paper folding knife and a second air hole.

Further, the machine table is further provided with a paper-making roller which is tangential to the folding main roller, and the paper-making roller and the folding main roller press the paper web which has been folded by a quarter.

Further, the length of the arc between the two slitting knifes is half of the circumference of the blade bottom knife.

Further, the arc length between the slitting knife is 148 to 188 The millimeter, preferably 186 mm; the circumferential length of the paper-feeding knife roll is 296 to 376 mm, preferably 372 mm; the round bottom radius of the paper-feeding knife roll is 46 to 61 mm, preferably 59.24 mm; The arc length between the first air hole and the first paper cutter is 69 to 96 mm, preferably 92 mm; the arc length between the second air hole and the second paper cutter is 34 to 49 mm, preferably 47 mm.

Further, the shutter has a notch depth of 37 to 48 mm, preferably 47 mm; and a width of 17 to 19 mm, preferably 18 mm.

Beneficial effect

Compared with the prior art, the paper handkerchief folding processing device according to the present invention achieves the following technical effects:

(1) According to the present invention, a longitudinal folding unit, a horizontal folding unit and a multi-disc unit are sequentially arranged on the machine table, and the paper web is sequentially tensioned on the longitudinal folding unit and the horizontal folding unit, and the paper handkerchief is along the width. The direction is folded into three folding faces in a zigzag shape, and then folded twice in the longitudinal direction, folded into four folded faces, and produced by a pipeline, which not only has high production efficiency, high speed, but also greatly reduces production cost;

(2) The invention has made minor improvements to the components of the longitudinal folding unit, the horizontal folding unit and the plurality of machines, so that the operation between them is more harmonious and smooth, the process failure is small, the manual program is greatly reduced, and the production yield is not only improved. And the quality of the paper towels produced is also good, the embossing is clear, the folding is neat, and the residual loss is low;

(3) The specifications of the paper produced by using the apparatus of the present invention are adjustable. Specifically, the package of the present invention has a long rib range of 54 to 62 mm, a wide rib of 37 to 48 mm, and a high edge of 17 to 19 Millimeter. The paper handkerchief in the bag has a width ranging from 161 to 182 mm and a length range of 149 to 187 mm. The product is more compact and more convenient to carry.

DRAWINGS

BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a longitudinal folding unit according to the present invention.

2 is a front elevational view showing the structure of the first longitudinal folding unit of the present invention.

3 is a rear elevational view showing the structure of the first longitudinal folding unit of the present invention.

Figure 4 is a cross-sectional view taken along line A-A of Figure 3;

Figure 5 is a schematic view showing the structure of the first longitudinal folding unit without the paper web in the present invention.

Figure 6 is a schematic view showing the structure of the first longitudinal folding unit of the present invention with a paper web.

Figure 7 is a schematic view showing the structure of the first longitudinal folding unit of the present invention with a paper web.

Figure 8A is a structural schematic view 1 of the longitudinal folding of the web in the present invention.

Figure 8B is a transverse cross-sectional view of the web as it is folded in accordance with the structural schematic of Figure 8A.

Figure 9A is a structural schematic view 2 of the longitudinal folding of the web in the present invention.

Figure 9B is a transverse cross-sectional view of the web as it is folded in accordance with the structural principle of Figure 9A.

Figure 10 is a schematic view showing the structure of the transverse folding unit of the present invention.

Figure 11 is a schematic view showing the structure of the flower disk according to the present invention.

Figure 12 is a schematic view showing the structure of a paper handkerchief folding processing apparatus of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiments of the invention

The invention is further described below in conjunction with the drawings, but is not intended to limit the invention.

Figure 12 As shown, the paper handkerchief folding processing apparatus according to the embodiment of the present invention comprises a longitudinal folding unit 1, a horizontal folding unit 2 and a multi-flower tray 5 unit which are arranged in series on the machine table, and the paper web 3 is sequentially tensioned and arranged in the longitudinal direction. Folding unit 1 And the horizontal folding unit 2 is on.

Referring to Figure 1, the longitudinal folding unit 1 A first traction roll 11, a second traction roll 12, a third traction roll 13, a first longitudinal fold assembly 14, and a second longitudinal fold assembly 15 are included, wherein the first longitudinal fold assembly 14 Mounted between the first traction roller 11 and the second traction roller 12, the second longitudinal folding assembly 15 is mounted between the second traction roller 12 and the third traction roller 13.

The first longitudinal folding assembly includes a first folding panel and a second folding panel, the first folding panel

a first beveled edge is provided, and the first folding plate and the second folding plate are provided with a partial overlapping area, and the partial overlapping area leaves a first slit for the paper web to pass through;

Referring to FIGS. 2, 3, and 4, the first longitudinal folding assembly 14 includes a first folding plate 141. And a second folding plate 142, the first folding plate 141 A first oblique side 1411 is disposed thereon, and the first folding plate 141 and the second folding plate 142 are provided with a partial overlapping area, and the partial overlapping area leaves a first slit 4 through which the paper web 3 passes. .

Specifically, the first folding plate 141 may have a right-angled trapezoidal shape, and the second folding plate 142 It may be a rectangular shape, and the oblique waist of the right angle trapezoid is the first oblique side 1411 described above, and the apex A of the oblique waist of the first folding plate 141 is vertically downwardly formed as a line segment, the length of which is exactly equal to the height of the trapezoid, and the second folding Board 142 The first side 1421 overlaps with the height, and the area where the first folding plate 141 and the second folding plate 142 are superposed is shaped like a triangle. Paper web 3 of the second folding plate 142 The introduction end is bent to form a first guiding plate 1422; the second longitudinal folding assembly 15 includes a third folding plate and a fourth folding plate, and the first longitudinal folding assembly 14 The structure is the same, and the position and direction are adjusted so that the paper web can be folded in a "Z" shape, which will not be described in detail herein.

As shown in FIG. 10, the transverse folding unit 2 includes a paper feed bottom knife roller 21 disposed on the machine table, and a paper feed bottom knife roller 21 The tangential face knife roll 22, the folding main roll 23, the first paper folding roll 24 and the second paper folding roll 25 respectively tangential to the folding main roll 23, and the paper feed bottom knife roll 21 is provided with two slitting bottoms Knife 211, the face knife roll 22 Two slitting cutters 221 are disposed on the first folding roller 24, and a first folding knife 241 and a first air hole 242 are disposed. The second folding roller 25 is provided with a second folding knife 251 and a second air hole 252. , paper throw roller 26 It is tangential to the folding main roller 23 and fixedly mounted on the machine table.

When folded longitudinally, as shown in FIG. 1 , FIG. 5 , FIG. 6 and FIG. 7 , the web 3 is along the first guiding plate 1422 under the action of the first pulling roller 11 . Transmitting into the first slit 4 of the first longitudinal folding assembly 14, in the process, the first guiding plate 1422 is used to guide the smooth feeding of the web 3 into the first slit 4 of the first longitudinal folding assembly 14, avoiding Paper web 3 Damaged, or due to breakage of the web 3, resulting in shutdown; under the restriction of the first bevel 1411 of the first folded sheet 141, the web 3 is folded along the first side 1421 of the second folded sheet 142, and then the web 3 Delivered into the second slit of the second longitudinal folding assembly 15, according to the above principle, the other side of the longitudinal direction of the web 3 is folded, as shown in Figs. 8A and 8B, and finally according to the web 3 The width is evenly folded into three folded faces along the width in a "Z" shape. Specifically, the width of the web 3 of the embodiment of the present invention ranges from 161 to 182 mm, and accordingly the first longitudinal folding assembly 14 The width of the a side of the second folded plate 142 ranges from 160 to 183 mm, and the width of the b side of the fourth folded plate of the second longitudinal folded frame 15 ranges from 52 to 62 mm. Preferably, a The width of the side is 182 mm and the width of the b side is 61 mm.

As another embodiment, as shown in FIG. 9A and FIG. 9B, the paper web 3 Folded into three folding faces along the width of the "Z" shape, folding the width of the web 3 by 1/4 for the first time, and folding the width of the web 3 by 1/4 for the second time, then the width of the folded web 3 For the original paper 3 1/2 of the width. The width of the web 3 ranges from 161 to 182 mm, and accordingly the width of the a side of the second folded sheet 142 in the first longitudinally folded unit 14 ranges from 160 to 183 mm. The width of the b side of the fourth folded plate in the second longitudinal folding assembly 15 ranges from 79 to 92 mm. Preferably, the a side has a width of 182 mm and the b side has a width of 91 mm. After the vertical folding, the paper web 3 It is conveyed to the transverse folding unit 2 by the action of the third pulling roller 13.

As shown in Fig. 10, in the transverse folding unit 2, the web 3 is first slit into a predetermined required length, and then the web 3 is The length is folded into a half fold and then folded into a quarter fold. Specifically, the bottom knife roller 21 is provided with two slitting knifes 211, and the length of the arc between the two slitting knifes 211 is the leading knife roller 21 Half of the circumference, the web 3 first enters the sheet bottom knife roll 21, and is cut into segments between the sheet bottom knife roll 21 and the face cutter roll 22 of the face knife roll 22, and the slit length is equal to two slits. Bottom knife 211 The length between the arcs is equal to one-half of the circumference of the blade bottom knife 21. Since the length of the paper handkerchief ranges from 149 to 187 mm, the length of the arc between the two slitting knifes 211 is also 148. Up to 188 mm, the circumferential length of the knife-feeding knife blade 21 ranges from 296 to 376 mm, and the radius of the paper-feeding knife blade 21 ranges from 46 to 61 mm. Preferably, two slitting knifes 211 The length of the arc between the two is 186 mm. Correspondingly, the circumference of the knife bottom roller is 372 mm. When the single-row production line is used for production, the paper-feeding knife roll 21 is used. The radius of the circle is preferably 59.24 mm; when the double-row production line is used, the blade bottom knife 21 The radius of the circle is preferably 88.85 mm, correspondingly adjusting the circumferential length of the blade bottom blade 21 and the length of the arc between the slitting knife 211, and will not be described in detail herein.

After slitting, the web 3 will be cut to the size that actually needs to be packaged and adsorbed onto the folded main roll 23, with the folded main roll 23 Moving together in a clockwise direction, the first folding roller 24 is provided with a first air hole 242 for adsorbing the head of the paper web 3, and a first paper folding knife 241 is further provided. As shown in FIG. 10, the first air hole 242 and the first paper cutter 241 The theoretical value of the arc length between the two is one-half of the length of the web 3, and the first air hole 242 and the first paper cutter 241 are not considered at this time regardless of the opening size of the first air hole 242. As a point, when the head of the web 3 comes into contact with the first air hole 242 of the first paper folding roller 24, the web 3 is adsorbed onto the first folding roller 24, moving in the counterclockwise direction with the first folding roller 24. When the paper 3 After being adsorbed on the first paper folding roller 24 by a length equal to half of the total length of the paper web 3, the first air hole 242 is deflated, the paper web 3 is not adsorbed and does not move with the first folding roller 24, and the paper web 3 The rear half of the folding coincides with the folding main roller 23 to move in the clockwise direction. The arc length between the first air hole 242 and the first paper cutter 241 ranges from 69 to 96 mm, preferably, the first air hole 242 The arc length with the first paper knife 241 is 92 mm.

After being folded in one-half, the web 3 is adsorbed on the folding main roller 23, with the folding main roller 23 Move together in a clockwise direction. The second paper folding roller 25 is provided with a second air hole 252 for adsorbing the head of the paper web 3, and a second paper folding knife 251 is also provided. Second air hole 252 and second paper folding knife 251 The theoretical value of the arc length between the two is one quarter of the length of the web 3, and the second air hole 252 and the second paper knife 251 are regarded as one point regardless of the opening size of the second air hole 252. When the paper web 3 When the head is in contact with the second air hole 252 of the second paper folding roller 25, the paper web 3 is adsorbed onto the second paper folding roller 25, and moves along the second paper folding roller 25 in the counterclockwise direction, when the paper web 3 is adsorbed in the first Two origami roll 25 After the upper length is equal to one quarter of the total length of the web 3, the second air hole 252 is deflated, the web 3 is not adsorbed and does not move with the second folding roller 25, and coincides with the rear quarter fold of the web 3 Folding main roller 23 Move in a clockwise direction. The arc length between the second air hole 252 and the second paper cutter 251 ranges from 34 to 49 mm, and preferably, the arc length between the second air hole 252 and the second paper cutter 251 is 47. Millimeter.

After a quarter folding, the web 3 is pressed between the paper take-up roller 26 and the folding main roller 23, so that the folding effect is better.

The web 3 folded by the transverse folding unit 2 is fed into the unit of the multi-flower plate 5 for stacking and packaging.

As shown in Figure 11, the notch 51 of the flower disk 5 has a depth of 37 to 48 mm and a width of 17 to 19 Millimeter. Preferably, the notch 51 of the flower disk 5 has a depth of 47 mm and a width of 18 mm, so that the paper towel bag 6 formed by folding the paper sheet 3 after being folded is just received in the notch 51. Within the size, the size is limited and constrained.

As shown in FIG. 12, the present invention is provided with a longitudinal folding unit 1, a horizontal folding unit 2 and a flower tray 5 which are sequentially connected to the machine table. The unit, the paper web 3 is sequentially tensioned and placed in the longitudinal folding unit 1 and the horizontal folding unit 2 On the production line, not only the production efficiency is high, the speed is fast, the production cost is reduced, and the paper specifications are adjustable, the product is convenient to carry, and is more compact and exquisite. Through the minor improvements in the components and product specifications of the longitudinal folding unit, the horizontal folding unit and the multi-chip machine, the operation between them is more harmonious and smooth, and the process failure is less, which not only improves the production yield, but also the quality of the produced paper towels. Better, the folding is neat, and the residual loss is low.

It should be noted that the above description is only a preferred embodiment of the present invention, and thus does not limit the scope of patent protection of the present invention, and the present invention can also provide equivalent improvements to the structures of the above various components. Therefore, equivalent structural changes made by the description and the illustration of the present invention, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Industrial applicability

Sequence table free content

Claims

The utility model relates to a paper handkerchief folding processing device, comprising at least one longitudinal folding unit, at least one horizontal folding unit and a sunflower disk unit which are arranged in sequence on the machine platform, and the paper web is sequentially tensioned and arranged on the longitudinal folding unit and the horizontal folding unit. Above, wherein the longitudinal folding unit comprises at least two traction rollers, and a longitudinal folding assembly is arranged between the traction rollers, wherein:

The longitudinal folding assembly comprises two folding plates, one of which is provided with a beveled edge, and a portion of the overlapping plate is provided with a partial overlapping area, and the partially overlapping area leaves a gap through which the paper web passes. The web is folded along one side of the other folded sheet under the restriction of the beveled edge.
A paper handkerchief folding processing apparatus according to claim 1, wherein said pulling roller comprises a first pulling roller, a second pulling roller, a third pulling roller and two longitudinal folding members, said first longitudinal folding assembly Located between the first traction roller and the second traction roller, the second longitudinal folding assembly is disposed between the second traction roller and the third traction roller.
A paper handkerchief folding processing apparatus according to claim 2, wherein said first longitudinal folding unit comprises a first folding plate and a second folding plate, and said first folding plate is provided with a first oblique side, The first folding plate and the second folding plate are provided with a partial overlapping area, the partial overlapping area leaving a first slit for the paper web to pass through;

The second longitudinal folding assembly includes a third folding plate and a fourth folding plate, the third folding plate is provided with a second oblique side, and the third folding plate and the fourth folding plate are provided with a partial overlapping area The partial overlap region is left with a second slit through which the web passes.
A paper handkerchief folding processing apparatus according to claim 3, wherein said first folding plate and said third folding plate have a rectangular trapezoidal shape, and said second folding plate and said fourth folding plate have a rectangular shape, said said The first oblique side and the second oblique side are right angle trapezoidal oblique waists, and a line segment is vertically downward along the apex of the oblique waist such that the length of the line segment is equal to the height of the trapezoid, the second folding plate and the fourth folding One side of the board coincides with the line segment.
A paper handkerchief folding processing apparatus according to claim 1, wherein said another folding plate is provided with a guiding plate for paper web introduction, and said guiding plate is interposed between said guiding plate and said another folding plate A certain angle.
A paper handkerchief folding processing apparatus according to claim 3, wherein said second folded sheet has a width of 160 to 183 mm, preferably 182 mm; and said fourth folded sheet has a width of 52 to 62 mm or 79 to 92 mm, preferably 61 mm or 91 mm.
A paper handkerchief folding processing apparatus according to claim 1, wherein said transverse folding unit comprises a paper feed bottom knife roller disposed on the machine table, a face cutter roller tangential to the paper feed bottom knife roll, and a folding main body. a roller, a first paper folding roller and a second paper folding roller respectively tangential to the folding main roller, wherein the paper feeding bottom roller is provided with two slitting bottom cutters, and the surface cutter roller is provided with two points The cutting knife has a first paper folding knife and a first air hole, and the second paper folding roller is provided with a second paper folding knife and a second air hole.
A paper handkerchief folding processing apparatus according to claim 7, wherein said machine table is further provided with a paper-throwing roller tangential to the folding main roller, said paper-feeding roller and said folding main roller pair passing through four The folded web is extruded in one part.
A paper handkerchief folding processing apparatus according to claim 7, wherein a length of a circular arc between said two slitting knifes is half of a circumference of said leading knife blade.
A paper handkerchief folding processing apparatus according to claim 7, wherein said arc of the slitting knife has a length of 148 to 188 The millimeter, preferably 186 mm; the circumferential length of the paper-feeding knife roll is 296 to 376 mm, preferably 372 mm; the round bottom radius of the paper-feeding knife roll is 46 to 61 mm, preferably 59.24 mm; The arc length between the first air hole and the first paper cutter is 69 to 96 mm, preferably 92 mm; the arc length between the second air hole and the second paper cutter is 34 to 49 mm, preferably 47 mm.
As in claim 1 The paper handkerchief folding processing apparatus is characterized in that the circular disk has a notch depth of 37 to 48 mm, preferably 47 mm; and a width of 17 to 19 mm, preferably 18 mm.