CN103332525B - Folding processing equipment for paper handkerchiefs - Google Patents

Abstract

The present invention discloses a paper handkerchief folding processing equipment, comprising a longitudinal folding unit, a transverse folding unit and a flower plate unit which are arranged on a machine table and connected in sequence, and the paper webs are tensioned and passed through the longitudinal folding unit and the transverse folding unit in sequence. The paper handkerchief is folded into three folding surfaces in a "Z" shape along the width direction by the longitudinal folding machine, and then folded twice in the length direction by the transverse folding machine to fold into four folding surfaces. The present invention not only has high production efficiency and fast speed, and reduces production costs, but also the specifications of the produced paper are adjustable, and the products are easy to carry and more exquisite.

Description

A paper handkerchief folding processing equipment

technical field

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

Background technique

The paper handkerchief is a new type of cleaning paper, which is equivalent to the traditional handkerchief, and is made of soft paper for wiping. Paper handkerchief is because of its small appearance, easy to carry, can absorb water, wipe off stains, thereby brings great convenience to people's life, has become the daily necessities that every household likes to use, is deeply loved by consumers.

At present, the size and specification of paper handkerchiefs commonly used in the market are generally relatively fixed, and even some packages are too large to cause inconvenience in carrying. Correspondingly, the production equipment for producing paper handkerchiefs can only produce paper handkerchiefs of this fixed specification or close to this specification.

Moreover, most of the packaging procedures in the existing paper handkerchief production line require a large amount of labor to assist in completion. This kind of production method not only results in relatively high labor costs, low production efficiency, and slow speed, but also produces paper with non-adjustable specifications, single shape and size. And cause carrying inconvenience, cause visually uncomfortable feeling to the people, produce a kind of specification more small-scale attractive in appearance, carry more convenient, the urgent demand of the superminiature paper handkerchief that utilization rate is higher has become producer and consumer, existing Technology has been unable to meet the needs of industrial production.

Contents of the invention

Aiming at the above-mentioned defects existing in the prior art, the present invention provides a paper handkerchief folding processing equipment to solve the problem of high labor cost, low production efficiency, slow speed, and the production of paper handkerchiefs in the original paper handkerchief folding process. Paper handkerchief paper specifications are not adjustable, the shape, size is single, and the technical problem is that it is inconvenient to carry.

The paper handkerchief folding processing equipment provided by the present invention comprises at least one longitudinal folding unit, at least one transverse folding unit and flower disc unit arranged successively on the machine table. On the unit and the horizontal folding unit, wherein the longitudinal folding unit includes at least two traction rollers, and a longitudinal folding assembly is arranged between the traction rollers, wherein,

The longitudinal folding assembly includes two folding plates, one of which is provided with a bevel, and a partial overlapping area is provided between the two folding plates, and a gap for the paper web to pass is left in the partial overlapping area, The paper web is folded along one side of the other folding plate under the restriction of said hypotenuse.

Further, the traction roller includes a first traction roller, a second traction roller, a third traction roller and two longitudinal folding assemblies, the first longitudinal folding assembly is arranged between the first traction roller and the second traction roller, The second longitudinal folding assembly is disposed between the second pulling roller and the third pulling 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 bevel, and the first folding plate and the second folding plate are provided with a partial overlapping area, the partial overlapping area leaves a first gap through which the paper web passes;

The second longitudinal folding assembly includes a third folding plate and a fourth folding plate, the third folding plate is provided with a second bevel, and the third folding plate and the fourth folding plate are provided with a partial overlapping area , a second gap for the paper web to pass through is left in the partial overlapping region.

Further, the first folded plate and the third folded plate are in the shape of a right-angled trapezoid, the second folded plate and the fourth folded plate are in the shape of a rectangle, and the first hypotenuse and the second hypotenuse are the obliques of a right-angled trapezoid Waist, make a line segment vertically downward along the apex of the inclined waist, make the length of the line segment equal to the height of the trapezoid, and one side of the second folded plate and the fourth folded plate just coincides with the line segment.

Further, a guide plate for introducing the paper web is provided on the other folding plate, and a certain angle is formed between the guide plate and the other folding plate.

Further, the width of the second folded board is 160 to 183 mm, preferably 182 mm; the width of the fourth folded board is 52 to 62 mm or 79 to 92 mm, preferably 61 mm or 91 mm.

Further, the transverse folding unit includes a paper-leading bottom knife roller arranged on the machine table, a surface knife roller tangent to the paper-leading bottom knife roller, a main folding roller, and a first folding roller tangent to the main folding roller respectively. and the second paper folding roller, wherein, the paper-leading bottom knife roller is provided with two cutting bottom knives, the surface knife roller is provided with two cutting surface knives, and the first paper 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 platform is also provided with a paper throwing roller tangent to the main folding roller, and the paper throwing roller and the main folding roller squeeze the quarter-folded paper web.

Further, the arc length between the two slitting bottom knives is half of the circumference of the tail knife roll.

Further, the arc length between the slitting bottom knives is 148 to 188 millimeters, preferably 186 millimeters; the circumference of the paper threading bottom knife roller is 296 to 376 millimeters, preferably 372 millimeters; The circle radius of the knife roll at the bottom of the paper is 46 to 61 mm, preferably 59.24 mm; the arc length between the first air hole and the first folding knife is 69 to 96 mm, preferably 92 mm; the second air hole The arc length between the second folding knife is 34 to 49 mm, preferably 47 mm.

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

Compared with the prior art, adopting the paper handkerchief folding processing equipment of the present invention has reached the following technical effects:

(1) In the present invention, a longitudinal folding unit, a transverse folding unit, and a flower plate unit are successively arranged on the machine platform, and the paper web is stretched sequentially on the longitudinal folding unit and the transverse folding unit, and the paper handkerchief is stretched along the width. direction in a "Z" shape into three folded sides, and then folded in half along the length direction twice,

Folded into four folded sides, using assembly line production, not only has high production efficiency and speed, but also greatly reduces production costs;

(2) The present invention makes minor improvements to the components of the longitudinal folding unit, the transverse folding unit and the chip counting machine, so that the mutual operation is more coordinated and smooth, the process failure is less, the manual procedure is greatly reduced, and the production output is not only improved , and the quality of the produced paper towels is also good, the embossing is clear, the folding is neat, and the defective waste is low;

(3) The specifications of the paper produced by the equipment of the present invention are adjustable. Specifically, the long edge range of the packaging bag of the present invention is 54 to 62 mm, the wide edge is 37 to 48 mm, and the high edge is 17 to 19 mm. mm. The width of the paper handkerchief in the packaging bag ranges from 161 to 182 mm, and the length ranges from 149 to 187 mm. The product is more compact and beautiful, and more convenient to carry.

Description of drawings

Fig. 1 is a structural schematic diagram of a longitudinal folding unit according to the present invention.

Fig. 2 is a front view of the structural schematic diagram of the first longitudinal folding assembly according to the present invention.

Fig. 3 is a rear view of the structural schematic diagram of the first longitudinal folding assembly according to the present invention.

Fig. 4 is a sectional view along A-A in Fig. 3 .

Fig. 5 is a schematic diagram of the structure without paper web in the first longitudinal folding assembly in the present invention.

Fig. 6 is a structural schematic diagram 1 of the paper web in the first longitudinal folding assembly in the present invention.

Fig. 7 is a second structural schematic diagram with paper web in the first longitudinal folding assembly in the present invention.

Fig. 8A is a schematic diagram 1 of the longitudinal folding of the paper web in the present invention.

Fig. 8B is a cross-sectional view of the paper web when it is folded according to the first structural diagram in Fig. 8A.

Fig. 9A is the second schematic diagram of the structure of paper web longitudinal folding in the present invention.

Fig. 9B is a cross-sectional view of the paper web when it is folded according to the structural schematic diagram 2 in Fig. 9A.

Fig. 10 is a schematic structural view of the transverse folding unit according to the present invention.

Fig. 11 is a schematic structural view of the flower disc according to the present invention.

Fig. 12 is a structural schematic diagram of the paper handkerchief folding processing equipment of the present invention.

Detailed ways

The present invention will be further described below in conjunction with the accompanying drawings, but not as a limitation of the present invention.

As shown in Fig. 12, the paper handkerchief folding processing equipment according to the embodiment of the present invention includes a longitudinal folding unit 1, a transverse folding unit 2 and a flower tray 5 unit arranged on the machine table and sequentially connected, and the paper web 3 is tensioned and threaded sequentially. Set on the vertical folding unit 1 and the horizontal folding unit 2.

Please refer to Fig. 1, the longitudinal folding unit 1 of this embodiment includes three traction rollers, that is, the first traction roller 11, the second traction roller 12, the third traction roller 13, and two longitudinal folding assemblies, that is, the first longitudinal folding assembly 14 and a second longitudinal folding assembly 15, specifically, wherein the first longitudinal folding assembly 14 is installed between the first traction roller 11 and the second traction roller 12, and the second longitudinal folding assembly 15 Installed between the second traction roller 12 and the third traction roller 13 .

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 is provided with a first bevel 1411, and the first folding plate 141 is provided with a first bevel 1411, and the first A folding plate 141 and the second folding plate 142 are provided with a partial overlapping area, and the partial overlapping area leaves a first gap 4 for the paper web 3 to pass through, and the paper web 3 is restricted by the hypotenuse Fold along one side of the other folded sheet.

Specifically, the first folded plate 141 can be in the shape of a right-angled trapezoid, and the second folded plate 142 can be in the shape of a rectangle. A makes a line segment vertically downwards, its length is just equal to the height of the trapezoid, and the first side 1421 of the second folded plate 142 coincides with the height, so that the shape of the region where the first folded plate 141 and the second folded plate 142 are superimposed is a triangle. The introduction end of the paper web 3 of the second folding plate 142 is bent to form the first guide plate 1422; Similarly, adjustments are made in position and direction so that the paper web can be folded in a "Z" shape, which will not be described in detail here.

As shown in Figure 10, the transverse folding unit 2 includes a paper-leading bottom knife roller 21 arranged on the machine platform, a surface knife roller 22 tangent to the paper-leading bottom knife roller 21, a main folding roller 23, and a main folding roller 23 respectively. The tangential first paper folding roller 24 and the second paper folding roller 25, the paper leading bottom knife roller 21 is provided with two cutting bottom knives 211, and the noodle knife roller 22 is provided with two cutting noodle knives 221, The first paper folding roller 24 is provided with a first paper folding knife 241 and a first air hole 242, the second paper folding roller 25 is provided with a second paper folding knife 251 and a second air hole 252, and the paper throwing roller 26 and the main folding roller 23 After tangent, it is fixedly installed on the machine table.

During longitudinal folding, as shown in Fig. 1, Fig. 5, Fig. 6 and Fig. 7, the paper web 3 is transported to the first gap of the first longitudinal folding assembly 14 along the first guide plate 1422 under the action of the first traction roller 11 4, during this process, the first guide plate 1422 is used to guide the paper web 3 to be smoothly conveyed into the first gap 4 of the first longitudinal folding assembly 14, so as to prevent the paper web 3 from being damaged, or the damage caused by the paper web 3 break, resulting in production stoppage; under the restriction of the first oblique edge 1411 of the first folding plate 141, the paper web 3 is folded along the first edge 1421 of the second folding plate 142, and then the paper web 3 is transported to the second longitudinal folding assembly 15 In the second gap, according to the above principle, the other side of the paper web 3 in the longitudinal direction is folded, as shown in Fig. 8A and Fig. 8B, and finally according to the width of the paper web 3, it is folded into three folded surfaces on average in a "Z" shape along the width. . Specifically, the width range of the paper web 3 in the embodiment of the present invention is 161 to 182 millimeters, so correspondingly the width range of the side a of the second folding plate 142 in the first longitudinal folding assembly 14 is 160 to 183 millimeters, and the second longitudinal folding The width of side b of the fourth folded plate in assembly 15 ranges from 52 to 62 mm. Preferably, the width of side a is 182 mm, and the width of side b is 61 mm.

As another embodiment, as shown in Fig. 9A and Fig. 9B, the paper web 3 is folded into three folded surfaces in a "Z" shape along its width, the first fold is 1/4 of the width of the paper web 3, and the second time 1/4 of the width of the paper web 3 is folded, then the width of the folded paper web 3 is 1/2 of the width of the original paper web 3 . The width range of the paper web 3 is 161 to 182 millimeters, so the width range of the side a of the second folding plate 142 in the first longitudinal folding assembly 14 is 160 to 183 millimeters accordingly, and the fourth folding in the second longitudinal folding assembly 15 The width of side b of the board ranged from 79 to 92 mm. Preferably, the width of side a is 182 mm, and the width of side b is 91 mm. After the longitudinal folding is completed, the paper web 3 is transported to the transverse folding unit 2 under the action of the third pulling roller 13 .

As shown in Figure 10, in the horizontal folding unit 2, the paper web 3 is first cut into a predetermined length, then the length of the paper web 3 is folded in half, and then folded in half into a quarter. , that is, folded in half twice. Concretely, two cutting bottom knives 211 are housed on the paper threading bottom knife roll 21, and the arc length between the two cutting bottom knives 211 is half of the circumference length of the paper threading bottom knife roll 21, and the paper web 3 enters first. The paper-leading bottom knife roll 21 is cut into sections between the paper-leading bottom knife roll 21 and the cutting surface knife 221 of the surface knife roll 22, and the cutting length is equal to the arc length between the two cutting bottom knives 211. That is equal to 1/2nd of the tail knife roller 21 circumferences. Because the length scope of paper handkerchief is 149 to 187 millimeters, the circular arc length scope between corresponding two slitting bed knives 211 is also 148 to 188 millimeters so, and the circumference length scope of threading bed knife roller 21 is 296 to 188 millimeters so. 376 millimeters, then the circle radius range of the tail knife roller 21 is 46 to 61 millimeters. Preferably, the arc length between the two slitting bottom knives 211 is 186 millimeters, and correspondingly, the circumference of the paper threading bottom knife roller is 372 millimeters. When a single-row production line is used for production, the paper threading bottom knife roller 21 The circle radius of is preferably 59.24 millimeters; When adopting double-row production line, the circle radius of described paper-leading bottom knife roll 21 is preferably 88.85 millimeters, corresponding to the circumference length of paper-leading bottom knife roll 21 and the difference between the cutting bottom knife 211 The length of the arc between them is also adjusted accordingly, which will not be described in detail here.

After slitting, the paper web 3 will be cut into the size that actually needs to be packaged and be adsorbed on the main folding roller 23, and move clockwise along with the main folding roller 23. The first air hole 242 at the head of the web 3 is also provided with a first folding knife 241 . As shown in Figure 10, the theoretical value of the arc length between the first air hole 242 and the first paper folding knife 241 is 1/2 of the length of the paper web 3. At this time, regardless of the opening size of the first air hole 242, the first The air hole 242 and the first folding knife 241 are regarded as a point, and when the head of the paper web 3 contacts the first air hole 242 of the first paper folding roller 24, the paper web 3 is adsorbed on the first folding paper roller 24, and the Folding roller 24 moves in counterclockwise direction, after the length that paper web 3 is absorbed on the first folding roller 24 is equal to the half of the total length of paper web 3, first air hole 242 deflates, and paper web 3 is not absorbed and does not follow the first The paper folding roller 24 moves, coincides with the folding of the second half of the paper web 3 and moves clockwise along with the main folding roller 23 . The arc length between the first air hole 242 and the first folding knife 241 ranges from 69 mm to 96 mm. Preferably, the arc length between the first air hole 242 and the first folding knife 241 is 92 mm.

After the above half folding, the paper web 3 is adsorbed on the main folding roller 23 and moves clockwise along with the main folding roller 23 . The second folding roller 25 is provided with a second air hole 252 for absorbing the head of the paper web 3 , and a second folding knife 251 is also provided. The theoretical value of the circular arc length between the second air hole 252 and the second folding knife 251 is 1/4 of the length of the paper web 3. At this time, regardless of the opening size of the second air hole 252, the second air hole 252 and the second folding paper Knife 251 is regarded as a point. When the head of the paper web 3 is in contact with the second air hole 252 of the second folding roller 25, the paper web 3 is absorbed onto the second folding roller 25, and moves counterclockwise along with the second folding roller 25, when the paper web 3 After the length that is absorbed on the second folding roller 25 is equal to 1/4th of the total length of the paper web 3, the second air hole 252 is deflated, and the paper web 3 is not adsorbed and does not move with the second folding roller 25. The rear quarter folding coincides with the main folding roller 23 moving clockwise. The arc length between the second air hole 252 and the second folding knife 251 ranges from 34 to 49 mm. Preferably, the arc length between the second air hole 252 and the second folding knife 251 is 47 mm.

After the quarter folding, the paper web 3 enters between the throwing roll 26 and the main folding roll 23 to be squeezed, so that the folding effect is better.

The paper web 3 folded by the transverse folding unit 2 is sent to the flower tray 5 unit for stacking and packaging.

As shown in FIG. 11 , the notch 51 of the flower disc 5 has a depth of 37 to 48 millimeters and a width of 17 to 19 millimeters. Preferably, the notch 51 of the flower tray 5 has a depth of 47 mm and a width of 18 mm, so that the paper towel package 6 formed after the paper web 3 is folded and stacked is just accommodated in the notch 51

Inside, dimensions are limited and constrained.

Preferably, we can also arrange a sheet counting device between the flower disc 5 and the paper throwing roller 26, and the sheet counting device slices the squeezed paper towels according to a certain number, such as 4-10 sheets, and then sends Into the notch 51 of the flower disc 5, the chip counting device here is not shown in the figures of this embodiment.

As shown in Figure 12, the present invention is provided with successively connected longitudinal folding unit 1, transverse folding unit 2 and flower disc 5 units on the machine platform, and the paper web 3 is tensioned and threaded sequentially between the longitudinal folding unit 1 and the transverse folding unit 1. Folding unit 2, assembly line production, not only high production efficiency, fast speed, reduced production costs, but also adjustable paper specifications, easy to carry products, more compact and exquisite. And through minor improvements to the components and product specifications of the longitudinal folding unit, horizontal folding unit, and sheet counting machine, the operations between them are more coordinated and smooth, and the process failures are less. Not only the production output is improved, but also the quality of the produced tissue is also improved. Better, neatly folded, less defective waste.

It is worth noting that the above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of patent protection of the present invention. The present invention can also make equivalent improvements to the structures of the above-mentioned various components. Therefore, all equivalent structural changes made by using the instructions and illustrations of the present invention, or directly or indirectly applied to other related technical fields are also included in the scope of the present invention.

Claims (14)

1. a paper handkerchief folds Fabricating machinery, comprise at least one the longitudinal folding unit, at least one laterally folded unit and all sorts of flowers dish unit that are arranged on and board is connected successively, paper web successively tensioning is located on described longitudinal folding unit and laterally folded unit, wherein, described longitudinal folding unit comprises at least two nip rolls, between nip rolls, be provided with longitudinal folding assembly, it is characterized in that:

Described longitudinal folding assembly comprises two folded sheets, one of them folded sheet is provided with a hypotenuse, be provided with partial stack region between described two folded sheets, the gap passed for paper web is left in described partial stack region, paper web under the restriction of described hypotenuse along an edge contraction of another folded sheet.

2. paper handkerchief as claimed in claim 1 folds Fabricating machinery, it is characterized in that: described nip rolls comprise the first nip rolls, the second nip rolls and the 3rd nip rolls, described longitudinal folding assembly comprises the first longitudinal folding assembly and the second longitudinal folding assembly, described first longitudinal folding assembly is arranged between the first nip rolls and the second nip rolls, and described second longitudinal folding assembly is arranged between the second nip rolls and the 3rd nip rolls.

3. paper handkerchief as claimed in claim 2 folds Fabricating machinery, it is characterized in that: described first longitudinal folding assembly comprises the first folded sheet and the second folded sheet, described first folded sheet is provided with the first hypotenuse, described first folded sheet and described second folded sheet are provided with partial stack region, and the first gap passed for described paper web is left in described partial stack region;

Described second longitudinal folding assembly comprises the 3rd folded sheet and the 4th folded sheet, described 3rd folded sheet is provided with the second hypotenuse, described 3rd folded sheet and described 4th folded sheet are provided with partial stack region, and the second gap passed for described paper web is left in described partial stack region.

4. paper handkerchief as claimed in claim 3 folds Fabricating machinery, it is characterized in that, described first folded sheet and the 3rd folded sheet are right-angled trapezium shape, described second folded sheet and the 4th folded sheet are rectangular shape, described first hypotenuse and the second hypotenuse are the oblique waist of right-angled trapezium, a line segment is done on summit along described oblique waist vertically downward, makes the height that described line segment length equals trapezoidal, just overlapping with described line segment of described second folded sheet and the 4th folded sheet.

5. paper handkerchief as claimed in claim 1 folds Fabricating machinery, it is characterized in that, another folded sheet described is provided with the guide plate introduced for paper web, between described guide plate and another folded sheet described at an angle.

6. paper handkerchief as claimed in claim 3 folds Fabricating machinery, and it is characterized in that, the width of described second folded sheet is 160 to 183 millimeters; The width of described 4th folded sheet is 52 to 62 millimeters or 79 to 92 millimeters.

7. paper handkerchief as claimed in claim 1 folds Fabricating machinery, it is characterized in that, described laterally folded unit comprises the paper injection bottom knife roller be arranged on board, the face rotor tangent with paper injection bottom knife roller, folding home roll, the first tangent with folding home roll respectively paper folding roller and the second paper folding roller, wherein, described paper injection bottom knife roller is provided with two and cuts bed plate, described rotor is provided with two points of dough and cream scrapers, described first paper folding roller is provided with the first paper folding cutter and the first pore, and described second paper folding roller is provided with the second paper folding cutter and the second pore.

8. paper handkerchief as claimed in claim 7 folds Fabricating machinery, it is characterized in that, described board is also provided with the throwing paper bowl tangent with folding home roll, and described throwing paper bowl and described folding home roll extrude the paper web after 1/4th is folding.

9. paper handkerchief as claimed in claim 7 folds Fabricating machinery, and it is characterized in that, described two arc length of cutting between bed plate are the half of described paper injection bottom knife roller circumference.

10. paper handkerchief as claimed in claim 7 folds Fabricating machinery, it is characterized in that, described in the arc length of cutting between bed plate be 148 to 188 millimeters; The radius of circle of described paper injection bottom knife roller is 46 to 61 millimeters; Arc length between described first pore and the first paper folding cutter is 69 to 96 millimeters; Arc length between described second pore and the second paper folding cutter is 34 to 49 millimeters.

11. paper handkerchiefs as claimed in claim 1 fold Fabricating machinery, and it is characterized in that, the depth of rebate of described all sorts of flowers dish is 37 to 48 millimeters; Width is 17 to 19 millimeters.

12. paper handkerchiefs as claimed in claim 6 fold Fabricating machinery, it is characterized in that, the width of described second folded sheet is 182 millimeters, and the width of described 4th folded sheet is 61 millimeters or 91 millimeters.

13. paper handkerchiefs as claimed in claim 10 fold Fabricating machinery, it is characterized in that, described arc length of cutting between bed plate is 186 millimeters, the circumference of described paper injection bottom knife roller is 372 millimeters, the radius of circle of described paper injection bottom knife roller is 59.24 millimeters, arc length between described first pore and the first paper folding cutter is 92 millimeters, and the arc length between described second pore and the second paper folding cutter is 47 millimeters.

14. paper handkerchiefs as claimed in claim 11 fold Fabricating machinery, it is characterized in that, the depth of rebate of described all sorts of flowers dish is 47 millimeters, and width is 18 millimeters.