A kind of paper trimming device
Technical field
The utility model relates to papermaking equipment technical field, relates in particular to a kind of paper trimming device.
Background technology
In paper production line, sometimes need wide cut paper to carry out trimming processing, according to the condition of production of different paper, require trimming device to change free adjustment according to web width, some paper also requires the cutter of paper both sides can regulate individually or simultaneously different cutting distances, in addition, in guaranteeing paper cut quality, also require the exchanging knives process of trimming device efficient and convenient, to guarantee paper production efficiency.
At present, the existing technical scheme about paper web trimming is existing a lot, for example following two schemes:
Publication number is the Chinese utility model patent of CN202782117U, a kind of device for printing paper is cut is disclosed, comprise be symmetrically set rotating upper cutting axis and lower cutting axis, on upper cutting axis, be provided with cutter, on lower cutting axis, be provided with bottom knife.This scheme, by increase a device that printing paper is cut on printing machine, after paper roll is finished printing, is carried out cutting apart paper roll when rolling.The shortcoming of this device is that the relative position of upper bottom knife can not be adjusted according to web width.
Publication number is the Chinese utility model patent of CN202462469U, a kind of paper trimming device is disclosed, comprise the lower roll and the top roll that are parallel to each other, the two ends of lower roll and top roll are respectively equipped with upper and lower corresponding hand papercutter, lower roll one end is provided with lower gear in hand papercutter outside, top roll one end is provided with cog corresponding with lower gear, and the outside at lower gear on lower roll is provided with power gear.This trimming device can be as required fabric width adjust the position of hand papercutter.The shortcoming of this utility model is that tool changing is cumbersome, need to disassemble whole plant equipment structure, and the gap adjustment after tool wear is also not too convenient.Because the reason of drive mechanism, two groups of the left and right cutting knife of this utility model moves simultaneously, can not realize two groups of cutting knifes single movement respectively.
Visible, there is the shortcoming of cutter location adjustment and tool changing inconvenience in above-mentioned two schemes, and can not realize single group cutting knife and operate separately.
Therefore, the problem that how to solve cutting knife adjustment and change inconvenience and can not operate separately, is the current technical issues that need to address of those skilled in the art.
Utility model content
In view of this, the utility model provides a kind of paper trimming device, for the problem that solves cutting knife adjustment and change inconvenience and can not operate separately.
In order to address the above problem, the utility model provides a kind of paper trimming device, comprising:
Frame, described frame comprises the first pedestal and the second pedestal that lay respectively at paper both sides;
The axis of guide, the two ends of the described axis of guide are individually fixed in described the first pedestal and described the second pedestal, and the described axis of guide is provided with middle bearing bracket;
With the first leading screw that the described axis of guide is arranged in parallel, one end of described the first leading screw is connected in described the first pedestal by clutch shaft bearing seat, and the other end is connected in described middle bearing bracket, and one end that described the first leading screw is positioned at described the first pedestal is provided with the first handwheel;
With the second leading screw that the described axis of guide is arranged in parallel, one end of described the second leading screw is connected in described the second pedestal by the second bearing block, and the other end is connected in described middle bearing bracket, and one end that described the second leading screw is positioned at described the second pedestal is provided with the second handwheel;
The first cutter hub seat, one end of described the first cutter hub seat is slidably connected to described the first leading screw by the first nut, and the other end is slidably connected to the described axis of guide, described the first cutter hub seat is fixedly connected with the first motor and by described first motor-driven the first reductor, described the first reductor comprises two the first output shafts, and the direction of rotation of two described the first output shafts;
The second cutter hub seat, one end of described the second cutter hub seat is slidably connected to described the second leading screw by the second nut, and the other end is slidably connected to the described axis of guide, described the second cutter hub seat is fixedly connected with the second motor and by described second motor-driven the second reductor, described the second reductor comprises two the second output shafts, and the direction of rotation of two described the second output shafts;
The first cutting knife group, comprises two the first cutting knifes that are arranged at respectively described the first output shaft end;
The second cutting knife group, comprises two the second cutting knifes that are arranged at respectively described the second output shaft end.
Preferably, described the first cutting knife group also comprise be arranged at described the first output shaft end for regulating the first Compress Spring of two distances between described the first cutting knife, described the second cutting knife group also comprise be arranged at described the second output shaft end for regulating the second Compress Spring of two distances between described the second cutting knife.
Preferably, described the first cutter hub seat is fixed with the first linear bearing for being slidably connected with the described axis of guide, and described the second cutter hub seat is fixed with the second linear bearing for being slidably connected with the described axis of guide.
Preferably, the axis of described the first leading screw and described the second leading screw and the described axis of guide is all positioned at same vertical plane, and described the first leading screw and described the second leading screw are all positioned at the below of the described axis of guide.
Preferably, described the first pedestal and described the second pedestal are fixed on by bearing respectively in the two ends of the described axis of guide.
Preferably, described the first nut and described the second nut are welded nut, and described the first cutter hub seat is by being fixedly welded on described the first nut, and described the second cutter hub seat is by being fixedly welded on described the second nut.
Preferably, described the first motor and described the first reductor are secured by bolts in described the first cutter hub seat, and described the second motor and described the second reductor are secured by bolts in described the second cutter hub seat.
Preferably, described the first handwheel and described the second handwheel are equipped with handle.
Preferably, described the first motor is connected in the power shaft of described the first reductor by the first shaft coupling, and described the second motor is connected in the power shaft of described the second reductor by the second shaft coupling.
The paper trimming device that the utility model provides comprises frame, the axis of guide and the first leading screw and the second leading screw that are arranged in parallel with the axis of guide, on the first leading screw and the second leading screw, slidably connect respectively the first cutter hub seat and the second cutter hub seat, and the other end of the first cutter hub seat and the second cutter hub seat is all slidably connected to the axis of guide, the first cutter hub seat is fixedly connected with the first motor and the first reductor, the second cutter hub seat is fixedly connected with the second motor and the second reductor, two relatively counter-rotational the first output shaft ends of the first reductor are provided with the first cutting knife group, two relatively counter-rotational the second output shaft ends of the second reductor are provided with the second cutting knife group, the first leading screw and the second leading screw are also respectively equipped with the first handwheel and the second handwheel.
Carrying out in paper trimming process, drive the first leading screw and/or the second leading screw to rotate by rotating the first handwheel and/or the second handwheel, due to the guide effect of the axis of guide to the first cutter hub seat and the second cutter hub seat, cause the first cutting knife group and the second cutting knife group can regulate individually or simultaneously different distances, thereby can make trimming device change free adjustment trimming width according to web width, this trimming device can monolaterally carry out, and also can bilaterally carry out simultaneously.The cutting knife group of this trimming device is arranged at the output shaft end of reductor, does not need whole equipment to dismantle when tool changing, has greatly alleviated workman's labour intensity, has improved production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of paper trimming device in the utility model specific embodiment scheme;
Fig. 2 is the top view of Fig. 1;
In Fig. 1 and Fig. 2:
The first pedestal-1, the first handwheel-2, clutch shaft bearing seat-3, bearing-4, the first leading screw-5, the first motor-6, the first linear bearing-7, the first cutter hub seat-8, the first reductor-9, the axis of guide-10, the second leading screw-11, the second reductor-12, the second linear bearing-13, the second cutter hub seat-14, the second motor-15, the second bearing block-16, handle-17, the second handwheel-18, the second pedestal-19, the second nut-20, the second output shaft-21, the second cutting knife group-22, middle bearing bracket-23, the first cutting knife group-24, the first output shaft-25, the first nut-26, the first shaft coupling-27, the second shaft coupling-28.
The specific embodiment
Core of the present utility model is to provide a kind of paper trimming device, for the problem that solves cutting knife adjustment and change inconvenience and can not operate separately.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, Fig. 1 is the structural representation of paper trimming device in the utility model specific embodiment scheme; Fig. 2 is the top view of Fig. 1.
In a kind of specific embodiment, the utility model provides a kind of paper trimming device, comprising: frame, the axis of guide 10, the first leading screw 5, the second leading screw 11, the first cutter hub seat 8, the second cutter hub seat 14, the first cutting knife group 24 and the second cutting knife group 22.
Wherein, frame comprises the first pedestal 1 and the second pedestal 19, fixes and support other all parts for installing, and the first pedestal 1 and the second pedestal 19 lay respectively at the both sides of the paper for the treatment of trimming;
The two ends of the axis of guide 10 are individually fixed in the first pedestal 1 and the second pedestal 19, fixed form has multiple, for example weld or be threaded, preferably, in the present embodiment, the first pedestal 1 and the second pedestal 19 are fixed on by bearing 4 respectively in the two ends of the axis of guide 10, be convenient to install, dismantle and change, on the axis of guide 10, be also provided with middle bearing bracket 23;
The first leading screw 5 is arranged in parallel with the axis of guide 10, one end of the first leading screw 5 is connected in the first pedestal 1 by clutch shaft bearing seat 3, and the other end is connected in one end that middle bearing bracket 23, the first leading screws 5 are positioned at the first pedestal 1 and is provided with the first handwheel 2, the first handwheels 2 for driving the first leading screw 5 to rotate;
The second leading screw 11 is also arranged in parallel with the axis of guide 10, one end of the second leading screw 11 is connected in the second pedestal 19 by the second bearing block 16, and the other end is connected in middle bearing bracket 23, one end that the second leading screw 11 is positioned at the second pedestal 19 is provided with the second handwheel 18, the second handwheels 18 for driving the second leading screw 11 to rotate;
Rotate handwheel for the ease of workman and operate, the first handwheel 2 and the second handwheel 18 in the present embodiment are equipped with handle 17;
One end of the first cutter hub seat 8 is slidably connected to the first leading screw 5 by the first nut 26, and the other end is slidably connected to the axis of guide 10, the first reductor 9 that the first cutter hub seat 8 is fixedly connected with the first motor 6 and is driven by the first motor 6, the first reductor 9 comprises two the first output shafts 25, and the direction of rotation of these two the first output shafts 25, the end of two the first output shafts 25 is provided with the first cutting knife, composition the first cutting knife group 24;
One end of the second cutter hub seat 14 is slidably connected to the second leading screw 11 by the second nut 20, and the other end is slidably connected to the axis of guide 10, the second reductor 12 that the second cutter hub seat 14 is fixedly connected with the second motor 15 and is driven by the second motor 15, the second reductor 12 comprises two the second output shafts 21, and the direction of rotation of two the second output shafts 21, the end of two the second output shafts 21 is provided with the second cutting knife, composition the second cutting knife group 22.
It should be noted that, cutting knife in the present embodiment is preferentially selected disc cutting knife, due to the direction of rotation of two output shafts, so every group of upper and lower two blade of disc cutter are the mode work of shearing, compare traditional bead cutter, the cutting of this programme is more steady.Two cutting knife groups in this programme respectively by two independently motor drive, so, can be according to actual need of production, realize and control two groups of cutting knife single movements or action simultaneously.In addition, because the upper bottom knife in this programme is arranged on the double output shaft of reductor, be open cantilevered mounting structure, so the installation of blade and replacing are all more convenient, do not need whole frame for movement to disassemble.
Preferably, the first cutting knife group 24 also comprise be arranged at the first output shaft 25 ends for regulating the first Compress Spring of two distances between the first cutting knife, the second cutting knife group 22 also comprise be arranged at the second output shaft 21 ends for regulating the second Compress Spring of two distances between the second cutting knife.In the time that two cutting knifes occur that wearing and tearing or gap become large, can adjust by adjusting the decrement of Compress Spring the gap of upper and lower two blades, improve cutting efficiency, extend blade service life, can also effectively avoid the broadsheet of trimming after tool wear to occur the phenomenons such as burr, bending or flange.
It should be noted that, the first cutter hub seat 8 in this programme is fixedly connected with the first nut 26, the second cutter hub seat 14 is also fixedly connected with the second nut 20, its be fixedly connected with mode have multiple, as screw thread is fixedly connected with, rivets or welding etc., in order to make to install firm stable, preferably, the first nut 26 and the second nut 20 in the present embodiment scheme are welded nut, and the first cutter hub seat 8 is by being fixedly welded on the first nut 26, the second cutter hub seats 14 by being fixedly welded on the second nut 20.Equally, motor and speed reducer also can be fixed on cutter hub seat in several ways, as be threaded, draw-in groove fixes or welding etc., for easy disassembly, preferably, in the present embodiment, the first motor 6 and the first reductor 9 are all secured by bolts in the first cutter hub seat 8, the second motors 15 and the second reductor 12 is secured by bolts in the second cutter hub seat 14.
In this programme, adopt motor to drive the mode of reductor to drive cutting knife to rotate, wherein, motor can be connected in by the multiple kind of drive power shaft of reductor, the modes such as such as belt transmission, chain drive or shaft coupling transmission, in order to reduce installing space, and make stable drive, preferably, the first motor 6 in this programme is connected in the power shaft of the first reductor 9 by the first shaft coupling 27, the second motor 15 is connected in the power shaft of the second reductor 12 by the second shaft coupling 28.
It should be noted that, the first leading screw 5 and the second leading screw 11 are all arranged in parallel with the axis of guide 10, the axis of guide 10 plays the effect of supporting and guiding to two leading screws, because one end of two leading screws is all connected in middle bearing bracket 23, so, in order to make the axis of guide 10 support better two leading screws, preferably, the axis of the first leading screw 5 and the second leading screw 11 and the axis of guide 10 is all positioned at same vertical plane, and the first leading screw 5 and the second leading screw 11 are all positioned at the below of the axis of guide 10, the axis of guide 10 be positioned at two leading screws directly over.
Frictional force while slip on the axis of guide 10 in order to reduce two cutter hub seats, preferably, in this programme, the first cutter hub seat 8 is provided with the first linear bearing 7, the second cutter hub seats 14 for being slidably connected with the axis of guide 10 and is provided with the second linear bearing 13 for being slidably connected with the axis of guide 10.
It should be noted that, the axis of guide 10 and the first leading screw 5 and the second leading screw 11 do not rotate in the trimming course of work, can effectively avoid the slender axles that this class length diameter ratio value is larger in the situation that velocity of rotation is higher, occur bending and deformation and vibrate, improve the security that equipment uses.
The course of work of the trimming device that this programme provides is: turning handle 17, drive the first leading screw 5 and/or the second leading screw 11 to rotate by rotating the first handwheel 2 and/or the second handwheel 18, due to the guide effect of the axis of guide 10 to the first cutter hub seat 8 and the second cutter hub seat 14, causing the first cutting knife group 24 to follow the first nut 26 moves along the first leading screw 5 horizontal directions, the second cutting knife group 22 is followed the second nut 20 and is moved along the second leading screw 11 horizontal directions, the horizontal direction of two groups of disc cutters moves separate carrying out, thereby make the first cutting knife group 24 and the second cutting knife group 22 regulate individually or simultaneously different distances, and then can make trimming device change free adjustment trimming width according to web width.
The beneficial effect of the paper trimming device that this programme provides is as follows:
This paper trimming device can be according to web width excursion free adjustment, and the web width excursion in this programme is 1300mm~1800mm, and the cutter of paper both sides can, according to practical condition, regulate different distances individually or simultaneously; Paper web trimming can monolaterally be carried out, and also can bilaterally carry out simultaneously;
The cutting knife group of this paper trimming device is arranged at the output shaft end of reductor, and the gap of cutter is adjustable, and tool changing is convenient and swift, does not need whole equipment to dismantle, and has greatly alleviated workman's labour intensity, has improved production efficiency;
The axis of guide 10 of this paper trimming device and two leading screws do not rotate in the trimming course of work, can effectively avoid the slender axles that this class length diameter ratio value is larger in the situation that velocity of rotation is higher, occur bending and deformation and vibrate, improve the safety coefficient of whole equipment.
The paper trimming device that the utility model provides can be for carrying out trimming processing to broadsheet in speciality paper methanol coating line, also can be for broadsheet being carried out to trimming processing in the paper production line of other type.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the utility model.To be apparent for those skilled in the art to the multiple modification of these embodiment, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.