CN201566175U

CN201566175U - Cutting knife of folded paper towel processing machine

Info

Publication number: CN201566175U
Application number: CN2009202653238U
Authority: CN
Inventors: 吴振昌
Original assignee: QUANZHOU DACHANG PAPER MACHINERY MANUFACTURING Co Ltd
Current assignee: QUANZHOU DACHANG PAPER MACHINERY MANUFACTURING Co Ltd
Priority date: 2009-12-18
Filing date: 2009-12-18
Publication date: 2010-09-01
Anticipated expiration: 2019-12-18

Abstract

The utility model discloses a cutting knife of a folded paper towel processing machine. The cutting knife comprises an upper cutting knife roller, a lower cutting knife roller, an upper cutting knife and a lower cutting knife, wherein the upper cutting knife roller and the lower cutting knife roller can rotate relatively, and the upper cutting knife and the lower cutting knife are respectively installed on the upper cutting knife roller and the lower cutting knife roller. The surface of the upper cutting knife and the surface of the lower cutting knife are arranged in the form of a spiral line from the starting end to the terminating end. When the upper cutting knife roller and the lower cutting knife roller rotate relatively, the edge of the upper cutting knife and the edge of the lower cutting knife form a spiral trajectory in a shearing state. When the lower cutting knife roller rotates, the upper cutting knife is still, the lower cutting knife rotates, and from the starting point in contact with the upper cutting knife to the terminating point leaving the upper cutting knife, the sheared range relative to the lower cutting knife is a 30-degree rotating angle. Since the spiral cutting knife uses one certain section of the thread line as the intersection trajectory of the shear-type upper cutting knife and the lower cutting knife, the cutting knife can easily shear paper towel and no damage is caused to the cutting knife. Thereby, the utility model has the advantages of reasonable structure, convenient debugging, good cutting effect and the like.

Description

Folding napkin processing machine cutting knife

Technical field

The utility model discloses a kind of folding napkin processing machine cutting knife, belongs to the folding process equipment class manufacturing technology field of paper handkerchief, especially relates to the improvement of folding napkin processing machine cutting knife.

Background technology

Along with the raising of The development in society and economy and living standards of the people, paper handkerchief has become one of commodity important in people's life.During the paper handkerchief packing, generally will pass through following steps: elder generation erects the paper handkerchief of band shape and is converted into two-layer or three layers, cut into sectional then on request, again the paper handkerchief cross break (doubling) that becomes section is formed the sheet paper handkerchief, to pack, certainly, above-mentioned step also can the vertically folded then one-tenth of first doubling (cross break) the sheet paper handkerchief of two layers or three layers.Above-mentioned steps is the most key with the device that is cut into pieces especially, traditional hygenic towelette cutter sweep such as Fig. 1, upper cutter A, lower cutter B is installed on upper slitter running roller C and the following rotor wheel D, two rotors are done relative motion according to direction shown in the arrow during running, when rotor is relative up and down, finish the cut-out of banded wet tissue (paper), this cutting mode belongs to crush-cutting, because l Water Paper is slim and toughness is arranged, the edge of a knife during cutting of crush-cutting formula, because crush-cutting power must guarantee can't accomplish greater than the control in this crush-cutting force of paper shearing strength, therefore the crush-cutting force all use very big power greatly to above with enough cut-out paper even cutter is tangent up and down, so that the edge of a knife is easy to damage, and frequent the replacing increases production cost.

As Fig. 2 and Fig. 3, paper handkerchief cutter sweep improvement becoming undercutting tool is angled with the axis of cutting roller, when being provided with relative motion, upper and lower cutting knife correspondence finishes the wet tissue cutting, cutting knife can also be made up of three joint E1, E2 and E3, as shown in Figure 4, but when debugging cutting knife, this cutting mechanism loses time very much, straight blade must be debugged lonely face with when the following cutter run trace alignment cutting because the precision of edge of a knife distance is high up and down, too closely certainly will injure the edge of a knife, degree of dissection too far away is poor, so the difficulty of adjustment.

The inventor creates a novel wet tissue cutting mechanism, so proposition of the present utility model is just arranged through studying for a long period of time and testing.

Summary of the invention

At the deficiency of existing paper handkerchief cutting technique, the utility model provide a kind of rational in infrastructure, debugging is convenient and the folding napkin processing machine cutting knife of good cutting effect.

For achieving the above object, the utility model is achieved through the following technical solutions:

A kind of folding napkin processing machine cutting knife, comprise in relative rotation up and down the cutting knife running roller and be installed on the last lower cutter of cutting knife running roller up and down respectively, wherein, the described knife face of going up lower cutter line formula in the shape of a spiral from the initiating terminal to the end, when running roller relatively rotated up and down, the edge of a knife of last lower cutter formed the helical trajectory of shearing condition.

Further, the initiating terminal of described lower cutter becomes 30 degree angles to the lower cutter running roller line of centres and cutting knife are terminal to the rotor wheel line of centres, upper cutter cooperates tangent with lower cutter, when lower roll wheel rotated, cutter maintained static down break bar and rotates the starting point that contact with upper cutter from beginning to leave the scope sheared be 30 to spend the anglecs of rotation for following cutter to breaking away from the upper slitter terminal point.

Further, described upper cutter running roller is made up of tool rest, blade and cutter lid, and blade is spiral, and blade and cutter lid are fixed on the tool rest.

Spiral cutting knife of the present utility model is a certain section intersection track as scissors upper slitter and following cutter that utilizes threaded line, make cutting knife shear paper handkerchief easily and do not damage cutting knife, and spiral cutting knife scheduling time reaches the purpose of saving debug time than short of existing undercutting tool debug time more.

The utlity model has rational in infrastructure, debugging is convenient and advantages such as good cutting effect.

Description of drawings

Fig. 1 is a conventional roll wheel cutter schematic diagram;

Fig. 2 is existing undercutting tool cutting schematic diagram;

Fig. 3 is an existing plane hilted broadsword stereogram;

Fig. 4 is existing plane three cutter stereograms;

Fig. 5 is the utility model shearing condition figure;

Fig. 6 is the utility model upper slitter group schematic diagram;

Fig. 7 is the utility model upper cutter head schematic diagram;

Fig. 8 is the utility model cutter lid stereogram;

Fig. 9 is that the utility model cutter covers another schematic diagram.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

Embodiment: structure such as Fig. 5 and shown in Figure 8, a kind of folding napkin processing machine cutting knife, comprise in relative rotation up and down cutting

knife running roller

1,2 and be installed on and be installed on the last lower cutter of cutting knife running roller up and down respectively, wherein, the described knife face of going up lower cutter line formula in the shape of a spiral from the initiating terminal to the end, when running roller relatively rotated up and down, the edge of a knife of last lower cutter formed the helical trajectory of shearing condition.

The initiating terminal of lower cutter becomes 30 degree angles to the lower cutter running roller line of centres and cutting knife are terminal to the rotor wheel line of centres, upper cutter cooperates tangent with lower cutter, when lower roll wheel rotated, cutter maintained static down break bar and rotates the starting point that contact with upper cutter from beginning to leave the scope sheared be 30 to spend the anglecs of rotation for following cutter to breaking away from the upper slitter terminal point.When up and down running roller relatively rotated, the edge of a knife of last lower cutter and the line of centres of running roller separately turned over 30 and spend and finish shear action.

Fig. 6 is upper left cutter group schematic diagram, this upper cutter running roller is made up of tool rest 3, blade 5 and cutter lid 4, and as Fig. 8, blade is spiral, blade 5 and cutter lid 4 are fixed on the tool rest 3, and cutter lid 4 and tool rest 3 are the helix curved surface that cooperates with cutting edge with the contact-making surface of blade 5.

Spiral cutting knife of the present utility model is a certain section intersection track as scissors upper slitter and following cutter that utilizes threaded line, make cutting knife shear paper handkerchief easily and do not damage cutting knife, and spiral cutting knife scheduling time is than short many of existing undercutting tool debug time.

The above record only for utilizing the embodiment of this origination techniques content, anyly is familiar with modification, the variation that this skill person uses this creation to do to do, and all belongs to the claim of this creation opinion, and is not limited to those disclosed embodiments.

Claims

1. folding napkin processing machine cutting knife, comprise in relative rotation up and down the cutting knife running roller and be installed on the last lower cutter of cutting knife running roller up and down respectively, it is characterized in that: the described knife face of going up lower cutter line formula in the shape of a spiral from the initiating terminal to the end, when running roller relatively rotated up and down, the edge of a knife of last lower cutter formed the helical trajectory of shearing condition.

2. folding napkin processing machine cutting knife according to claim 1, it is characterized in that: the initiating terminal of described lower cutter becomes 30 degree angles to the lower cutter running roller line of centres and cutting knife are terminal to the rotor wheel line of centres, upper cutter cooperates tangent with lower cutter, when lower roll wheel rotated, cutter maintained static down break bar and rotates the starting point that contact with upper cutter from beginning to leave the scope sheared be 30 to spend the anglecs of rotation for following cutter to breaking away from the upper slitter terminal point.

3. folding napkin processing machine cutting knife according to claim 1 is characterized in that: described upper cutter running roller is made up of tool rest, blade and cutter lid, and blade is spiral, and blade and cutter lid are fixed on the tool rest.