CN201712215U

CN201712215U - Paper cutting device of box extraction paper folding machine

Info

Publication number: CN201712215U
Application number: CN2010201801625U
Authority: CN
Inventors: 吴兆广
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-05-05
Filing date: 2010-05-05
Publication date: 2011-01-19
Anticipated expiration: 2020-05-05

Abstract

The utility model discloses a paper cutting device of a box extraction paper folding machine, which comprises two paper folding rollers which cooperatively rotate side by side and two cutter shafts which cut paper cooperatively with the paper folding rollers; the cutter shafts are fixedly provided with upper cutters; the paper folding rollers are provided with lower paper cutters which can be in contact with the upper cutters; and the cutter shafts and the paper folding rollers are respectively connected with a rotary driving mechanism. The utility model is characterized in that the upper cutters on the cutter shafts are spiral cutters. The utility model not only improves the folding speed and the regularity degree but also has low noise and longer service life, is more convenient to install and debug and more effectively reduces the use cost.

Description

A kind of paper cutter of box paper extraction folding machine

Technical field

The utility model relates to the toilet paper folder technical field, relates to a kind of cut paper technical field of box paper extraction folding machine in particular.

Background technology

Daily paper has been deep into the every aspect of people's life, along with growth in the living standard, people are increasing to the demand of box paper extraction, and domestic market production emphasis in recent years is a roll web, therefore to box paper extraction paper folding equipment research and development relative deficiency, cause existing box paper extraction folding machine to meet the need of market.Traditional box paper extraction folding machine primary structure as shown in Figure 1 and Figure 2, it includes and is upper left cutter shaft 1, upper right cutter shaft 11 and left folding paper bowl 2, the right folding paper bowl 21 that the # font distributes, at upper left cutter shaft 1, upper right cutter shaft 11 fixing upper slitter respectively, left folding paper bowl 2, right folding paper bowl 21 be separately positioned on when rotating can with the following hand papercutter of upper slitter touching, thereby reach the purpose of cutting off paper; Since the appearance of box paper extraction folding machine, traditional viewpoint is thought because paper folding roller and last cutter shaft all are in rotary state, the regularity of cut paper in order to guarantee, when hand papercutter adopts the vertical bar shaped cutter under it, upper slitter on the last cutter shaft is inevitable also can only to adopt the vertical bar shaped cutter, if do not adopt the vertical bar shaped cutter then the uneven situation of cut paper can occur, the upper slitter strip structure of therefore at present also having no talent to folding machine improves, and all be provided with under the situation of three hand papercutters at last cutter shaft and paper folding roller, rotating speed equates, and a cutter is set at last cutter shaft, paper folding roller is provided with under the prerequisite of three following hand papercutters, its rotating speed is to have certain correspondence at 3: 1, be CN200720062015.6 as China Patent No., open (bulletin) day: 2008.10.29, name is called the utility model patent of the folding shearing device that a kind of paper make-up machine uses, it comprise two pairs axial tangent and can make the feeding-in roll and the folding roller of synchronous backward rotation, and be respectively equipped with on the periphery of two folding rollers and be the slotting paper assembly that the dislocation of determining deviation symmetry is arranged, the holding paper assembly, be characterized in that the output end position between described two folding rollers is provided with fixing disconnected paper bed plate assembly, and the periphery of each folding roller rear that is positioned at its holding paper assembly is provided with to bump with disconnected paper bed plate assembly and connects and realize shearing the disconnected paper knife assembly of paper.The utility model is provided with disconnected paper bed plate assembly owing to the output end position of employing between two folding rollers and the structure of disconnected paper knife assembly is set respectively at the holding paper assembly rear of each folding roller periphery, thereby make paper through the holding paper assembly on the folding roller is folding clamp after, just can be directly bump and connect and paper is cut off by disconnected group bed plate assembly and the disconnected paper knife assembly that is positioned at this holding paper assembly rear.Above-mentioned knife assembly equally all adopts the vertical bar shaped knife structure.

More than the weak point of existing box paper extraction folding machine paper cutter is:

One, cut paper thickness is limited, and operating efficiency is low: because upper slitter and following hand papercutter are the vertical bar shaped cutter, touch when tangent, knife face contacts simultaneously, when having certain thickness multi-ply paper, situation about can't all cut off then can occur, thereby can't further finish next step action; Therefore, above-mentioned cut paper mode and install each cut paper thickness and have certain limitation can't be increased work efficiency.

Two, noise and vibrations are big, influence parts life-span, the cut paper precision is low: as mentioned above, when knife face all contacts simultaneously, reach folding machine more than the 1.2m for width, adopt above-mentioned paper cutter can produce bigger noise and vibrations, thereby also influenced parts life-span and folding rate, influenced the regularity of paper greatly.

The utility model content

The utility model is exactly the paper cutter of a kind of box paper extraction folding machine of providing for the deficiency that solves above-mentioned technology, not only improve folding rate, regularity, and noise is little and noise is low, longer service life, Installation and Debugging are more convenient, more effective reduction use cost.

The utility model is to adopt following technical scheme to realize above-mentioned purpose: the paper cutter of this box paper extraction folding machine, comprise that two paper folding rollers that cooperate to rotate side by side and two and paper folding roller cooperate the cutter shaft of cut paper, be fixed with upper slitter on the cutter shaft, paper folding roller be provided with can with the following hand papercutter of upper slitter touching, cutter shaft and paper folding roller all are connected with rotating drive mechanism, it is characterized in that: described upper slitter knife face is set to from high to low or oblique structure from low to high vertically.

As further specifying of such scheme, the upper slitter on the described cutter shaft is a circular knife.

Rotating drive mechanism on the described cutter shaft is a servomotor, is provided with sensor or inductive switch in upper slitter and following hand papercutter touching place, and this sensor or inductive switch are electrically connected with servomotor.

The rotating drive mechanism of described cutter shaft can also adopt high-speed electric expreess locomotive to drive, the rotating speed that keeps cutter to think is higher than the rotating speed of paper folding roller like this, guaranteeing that the whole knife face of upper slitter can contact once with play hand papercutter is complete at the appointed time when down the cut paper swivel is moving, thus cut-out paper.

The beneficial effect that the utility model adopts above technical scheme to reach is:

1. cut paper efficient height, the cut paper noise is little; The utility model is owing to adopted contact area when reducing between upper slitter and the following hand papercutter, the knife face of oblique cutter such as circular knife and the following hand papercutter contact cut paper of staggering the time during cut paper, thereby cut off than traditional structure the time and more can cut bigger thickness, corresponding its cut paper noise reduces greatly, the vibrations of cutter shaft and paper folding roller simultaneously also greatly reduce, thereby also prolonged the service life of cutter and relevant parts, Installation and Debugging are more convenient, more effective reduction use cost;

2. the utility model device makes folding rate faster, the cut paper precision, and the regularity height, the utility model is cut paper effectively, the state that paper can't cut can not occur connecting.

3. upper slitter is less demanding with the rotational speed regulation coupling of following hand papercutter, only needing the two rotating speed to differ to a certain degree gets final product, guarantee when last cutter shaft rotates, to turn over the needed time of distance of the difference in height of oblique upper slitter, the knife face of upper slitter is staggered the time contact the following hand papercutter knife face of paper folding roller from an end (low side) to the other end (high-end).

In a word, the utility model is because up and down contact-making surface is little simultaneously between the hand papercutter, can make that box paper extraction folding machine width is bigger, speed provides effective guarantee sooner, to adapt to the requirement that modern toilet paper machinery is produced wideer paper roll.

Description of drawings

Figure 1 shows that the roll shaft structural representation of existing box paper extraction folding machine;

Figure 2 shows that the cut paper cutter structure schematic diagram of existing box paper extraction folding machine;

Figure 3 shows that roll shaft structural representation of the present utility model;

Figure 4 shows that cut paper cutter structure schematic diagram of the present utility model;

Fig. 5-Fig. 7 is the utility model upper slitter and following hand papercutter cut paper motion process schematic diagram;

Fig. 8 is another example structure schematic diagram of upper slitter of the present utility model.

Description of reference numerals: 1. upper left cutter shaft, 2. upper right cutter shaft, 3. upper right cutter, 4, the right folding paper bowl, 5, the bottom right hand papercutter, 6, lower-left hand papercutter, 7, left folding paper bowl, 8, upper left cutter, 9, go up the cutter shaft rotating drive mechanism, 10, paper folding roller rotating drive mechanism, 11, upper slitter and following hand papercutter cut paper contact point

The specific embodiment

For further setting forth the utility model, the utility model is elaborated below in conjunction with accompanying drawing and preferred embodiment:

Embodiment one

As Fig. 3,4 are depicted as a kind of paper cutter of box paper extraction folding machine, comprise that two cooperate the left folding paper bowl 7 that rotates on horizontal plane, right folding paper bowl 4 and two groups and paper folding roller cooperate about go up cutter shaft 1 (2), go up cutter shaft 1 (2) about this and cooperate rotation with paper folding roller 2 (4), its direction of rotation, about go up cutter shaft 1 (2) and all be connected with rotating drive mechanism 9 (10) with paper folding roller 2 (4), the rotating drive mechanism 9 of this h cutter shaft 1 (2) is a servomotor, about on upper slitter 8 (3) on the cutter shaft 1 (2) be provided with sensor or inductive switch with following hand papercutter 6 (5) touchings place, this sensor or inductive switch are electrically connected with servomotor; Upper slitter 8 (3) on the described cutter shaft 1 (2) is a circular knife.

In the present embodiment, paper folding roller 2 (4) is provided with three following hand papercutters 6 (5), and its installation site evenly is provided with at interval along the paper folding roller periphery, and upper slitter fixing on the described h cutter shaft is one, when being two to three, its installation site evenly is provided with at interval along the paper folding roller periphery.

The cut paper method and the course of work of paper cutter is as follows in the present embodiment:

It is on last cutter shaft circular knife to be set, and staggering the time with the following hand papercutter knife face on the paper folding roller by circular knife contacts cut paper; Concrete steps are:

Step 1: upper left cutter shaft 1 is rotated counterclockwise, when the cutting knife 3 on the upper left cutter shaft 1 forwards the cut paper position to, the least significant end of its circular knife contacts with hand papercutter on the left folding paper bowl 2, at this moment, inductive switch starts servomotor to quicken, driving upper left cutter shaft 1 quickens to rotate, because the speed difference between upper slitter and the following hand papercutter, its both relatively rotating has promptly compensated because the difference in height at circular knife two ends, the everywhere knife face that makes circular knife of the present utility model everywhere knife face from low to high and following hand papercutter progressively timesharing contacts, play identical vertical cut effect with the vertical bar shaped cutter, as Fig. 5-shown in Figure 7, promptly be illustrated in three typicalnesses in the cut paper process, the variation of upper slitter and following hand papercutter cut paper contact point 11 as can be seen, the edge of a knife end face that makes the spiral cutter on the upper left cutter shaft 1 like this is fast by the cutting knife end face on the left folding paper bowl 2, thereby paper is cut off in realization;

Step 2: upper right cutter shaft 1 turns clockwise, when the cutting knife on the upper right cutter shaft forwards the cut paper position to, the least significant end of its circular knife contacts with cutting knife on the left folding paper bowl 2, at this moment, inductive switch starts servomotor to quicken, driving upper right cutter shaft quickens to rotate, because the speed difference under the upper slitter between the hand papercutter, its both relatively rotating has promptly compensated because the difference in height at circular knife two ends, the everywhere knife face that makes circular knife of the present utility model everywhere knife face from low to high and following hand papercutter progressively timesharing contacts, play identical vertical cut effect with the vertical bar shaped cutter, the edge of a knife end face that makes the spiral cutter on the upper right cutter shaft is fast by the cutting knife end face on the left folding paper bowl 2, thereby paper is cut off in realization;

Cut paper is finished folding subsequent handling through the absorption action of paper folding roller in the above-mentioned steps one, two, the utility model combines with the suction paper method and structure of the utility model patent paper folding roller of applicant's previous application, can form a complete box paper extraction folding machine.

As other embodiment of the present utility model, the driving mechanism of cutter shaft also can be without servomotor in the foregoing description, also can and adopt with the paper folding roller rotating speed at the uniform velocity high-speed electric expreess locomotive of running that there is some difference, simultaneously, upper slitter fixing on the described cutter shaft of the present utility model can be two or three, at this moment, its installation site evenly is provided with at interval along the cutter shaft periphery.

In the present embodiment, its circular knife also can adopt high to low or oblique project organization from low to high, as shown in Figure 8, is not limited to circular knife.So simultaneously, the rotation direction of last cutter shaft can be identical with the rotation direction of folding roller, also can be opposite.Only when rotation direction identical, the last cutter shaft higher rotating speed of needs and.

Though the circular knife that the utility model adopted also has application in rewinding and puncturing machine, yet the following cut paper rotor of rewinding and puncturing machine (see from the position and to be similar to hand papercutter down of the present utility model) is fixed, it must have certain angle of inclination between cut paper rotor up and down, it can not adopt horizontal mounting means, otherwise the situation of oblique punching the time will appear in punching; And paper folding roller of the present utility model is the rotation situation, paper folding roller of the present utility model and cutter shaft are two opposing parallel settings simultaneously, there is not the angle of inclination, and relatively rotate, therefore, rewinding and puncturing machine is two kinds of also different machineries of different complete functions, structure with folding machine, those skilled in the art can not take a hint, this also has been since box paper extraction folding machine comes out, for last hand papercutter, people adopt the basic reason of vertical bar shaped cutter always, and the utility model adopts circular knife to overcome the traditional idea of people.

Only the part of the utility model preferred embodiment shown in the utility model the foregoing description and the accompanying drawing; can not limit to the utility model with this; under the condition that does not break away from the utility model marrow, any change that those skilled in the art did all belongs to protection domain of the present utility model.

Claims

1. the paper cutter of a box paper extraction folding machine, comprise that two paper folding rollers that cooperate to rotate side by side and two and paper folding roller cooperate the cutter shaft of cut paper, be fixed with upper slitter on the cutter shaft, paper folding roller be provided with can with the following hand papercutter of upper slitter touching, cutter shaft and paper folding roller all are connected with rotating drive mechanism, it is characterized in that: described upper slitter knife face is set to from high to low or oblique structure from low to high vertically.

2. the paper cutter of box paper extraction folding machine according to claim 1 is characterized in that: the upper slitter on the described cutter shaft is a circular knife.

3. according to the paper cutter of claim 2 or 3 described box paper extraction folding machines, it is characterized in that: the rotating drive mechanism on the described cutter shaft is a servomotor, be provided with sensor or inductive switch in upper slitter and following hand papercutter touching place, this sensor or inductive switch are electrically connected with servomotor.

4. according to the paper cutter of claim 2 or 3 described box paper extraction folding machines, it is characterized in that: described paper folding roller is provided with three following hand papercutters, and its installation site evenly is provided with at interval along the paper folding roller periphery.

5. according to the paper cutter of claim 2 or 3 described box paper extraction folding machines, it is characterized in that: upper slitter fixing on the described cutter shaft is one to three, and when being two to three, its installation site evenly is provided with at interval along the cutter shaft periphery.