For the folding device of folded box attaching apparatus
(1) technical field:
The utility model relates to a kind of mechanical device, especially a kind of folding device for folded box attaching apparatus.
(2) background technology:
At production high-quality print product, during folded box such as pharmacy and cosmetic industry, from printing printed sheet, to pressing lap box blank, until the quality completing folded box that is folding and that paste all proposes high requirement, in addition, pharmaceutical industry all has higher requirement to the printing of produced folded box and braille marking.
When production folded box, first printed sheet or paper print in printing machine.Printed sheet prints the blank of multiple folded box to be produced respectively, then sends in stamping machine and carry out punching press.Folded box blanks after punching press is delivered to folded box attaching apparatus subsequently, and processes folded box wherein.
In further finishing passes, folded box blanks is admitted to be had in the pressing equipment of marking press equipment, and this marking press equipment is hotting mask marking press equipment.Device for hotting mask marking discloses in such as EP2517881A1.
In DE102008018753A1, also illustrate that one carries out freezing mask method for finishing manufactured in offset printing printed sheet printing machine.Especially the film with color pigment can be used as freezing mask, and this film can generate the surface of metal effect, such as silver color or golden surface.
Disclosed feature is, at least comprises following machine table by the folded box attaching apparatus of folded box blanks production folded box:
An ADF, blank to be processed pulls out from printed sheet heap with higher speed by this ADF in succession, and is delivered to separately the first follow-up machine table.
Adhesive (being generally a glue) coating unit, this device is application of adhesive band on fold flanges to be pasted.
A folding table, in this folding table, the blank section forming stickup connection by pasting adhesive tape is reversed 180 °, namely folded.
Folding table is connected with so-called band to band transfer module usually, in this band to band transfer module, folded box is counted, mark, if there is damage, then rejected.
Follow by squeeze station, first form the blank stream that collapsible blank is formed in the porch of this squeeze station, this blank stream is pressed a little time subsequently between compressive zone, to connect stickup seam.
Independent machine table has the driving conveying device of conveying folded box blanks.The conveyer belt up and down that this device is arranged in equipment end by one respectively forms, and to this, lower tape transport is to roller sidepiece, and upper conveyor belt is delivered in roller track.Conveyer belt arranges in horizontal adjustable mode, therefore can regulate according to respective folded box blanks shape.Blank is carried between upper and lower conveyer belt to print prone mode.The folded box attaching apparatus of this class discloses in DE102004022344A1.
In order to can be horizontal, the throughput direction namely perpendicular to folded box blanks folds, namely to be positioned at respective folded box blanks adverse current upwards the folded box flange of end or folded box tongue fold, in folded box folding apparatus, extra device is installed.This class device at such as US Patent specification US4,119, disclose in 018.This class device is for the production of band or the folded box not with triangle flange, and this flange is common in 4 folded box, folded box, foldable bottom folded box or special marked fold boxes at 6.In one such device disclosed, the folding device at rear portion is made up of the hook being installed on transporting flat, first this hook is captured from below by the end of its free bend is plane rear flange, and in the process continuing conveying blank, it is upwards mentioned, thus this flange is inwardly folded, and be placed on folded box blanks with being flattened.The folding device of this class is also referred to as lancet.The upper lancet carrying out movement in order to ensure this class in the folded box attaching apparatus course of work very fast can not hurt equipment operator, and this region is by preventing access to plant, and such as safety door is closed.What the safety measure of this class limited folded box attaching apparatus can contact, especially processes and does not need or not this safety measure when using lancet to carry out the blank processed.Therefore also can use safety grating.
, the shortcoming of upper lancet is the safety measure that there is the higher potential danger formed by the hook rotated and take for it.
(3) utility model content:
The purpose of this utility model is to create a kind of folding device, and this device has lower potential danger, and can reliably implement to fold, and can get rid of the shortcoming of the present art.
The technical solution of the utility model: for the folding device of folded box attaching apparatus, be used for folding at the folded box flange (being also referred to as folded box tongue) of folded box attaching apparatus to folded box blanks (especially the folded box blanks of 4 or 6 folded box) according to device of the present utility model, this device has a conveying device and at least one folding element.This conveying device is used for the throughput direction conveying folding device of folded box blanks along transporting flat.At least one folding element carries out loopy moving splitting transporting flat, on the moving track closed by drive unit, and folded box flange is folded thus.Contact respective folded box flange by respective folding element, and it is overturn or bending to fold.Fold line (being also referred to as folded edge) is perpendicular to throughput direction.According to the utility model, drive unit has circulation crank and at least one connector of at least one motorized motions.At least one connector its thinner end and at least one crank exposed, rotational end is connected, at least one folding element is installed in the other end of at least one connector.Can be made by this structure of drive unit, respective folding element can not move on the circular orbit around the crank point of rotation, can reduce the danger to equipment operator thus.
In the first improved form of folding device of the present utility model, this drive unit additionally has a connecting rod, an end of this connecting rod is fixedly connected on support, can rotate around support point, its other end is connected on connector, that is rotatably links together with it.Thus, the structure of drive unit is so-called crank gear.
According in a kind of alternative versions of folding device of the present utility model, crank is fixedly mounted on support, rotary sliding hinge by one and moves.The structure of drive unit is so-called slip crank thus.
In the optional form of implementation of another kind, the structure of drive unit is four element crank gears.
In a kind of advantageous particularly and preferred improved form according to folding device of the present utility model, moving track is not preferred circular orbit, but has the moving track of straight line and buckling curve section.The structure space needed for folding device can be reduced thus; the folded box flange of folded box blanks can overturn when better protective material; due to its moving track, to compare circular orbit in general shorter, therefore can improve the rhythm of action of folding device.Moving track is preferably ellipticity.Particularly preferably arched track; The shape of moving track also can be " flatfish shape " or " clothes hanger shape ".
According in the improved form of folding device of the present utility model, its drive unit has a controllable servomotor, for driving at least one crank.
As described in current technical merit, respective folding element is folding hook structure.In a kind of favourable form of implementation, at least one folding element is rotatable drum or rotatable roller structure.In folding process, determine because rotatable cylinder or roller roll on folded box blanks, therefore can avoid the formation of mark.
As long as technically feasible, described invention and the favourable improved form of described invention also mutually can combine and form other favourable improved forms of the utility model.
Superiority of the present utility model: the danger to equipment operator 1, can be reduced; 2, the structure space needed for folding device can be reduced, the folded box flange of folded box blanks can overturn when better protective material, due to its moving track, to compare circular orbit in general shorter, therefore can improve the rhythm of action of folding device; 3, in folding process, determine because rotatable cylinder or roller roll on folded box blanks, therefore can avoid the formation of mark.
(4) accompanying drawing illustrates:
Fig. 1 is a kind of folded box attaching apparatus had according to folding device of the present utility model.
Fig. 2 a, 2b, 2c are the first form of implementation of the drive unit of folding device of the present utility model.
Fig. 3 is the second form of implementation of the drive unit of folding device of the present utility model.
Wherein, 1 is ADF, 2 are, 3 is top conveying device, 4 is alignment tool, 5 is conveying device, 6 is precut device, 7 is folding module, 8 is conveyer, 9 is turntable, 10 is alignment tool, 13 is machine table, 14 is folding table, 15 is transport platform, 16 for collecting and pressurizing unit (bracket), 20 is the folding table (folding device) for folded box flange, 21 is folding element, 22 is drive unit, 23 is crank, 24 is connector, 25 is connecting rod, 26 is slide hinge, 27 is support, 28 is moving track, 29 is servomotor, 50 is folded box blanks, 51 is folded box flange, 52 is folded box, 100 is folded box attaching apparatus, z1 is the 1st time point, z2 is the 2nd time point, z3 is the 3rd time point, z4 is the 4th time point, E is transporting flat, T is throughput direction.
(5) detailed description of the invention:
Embodiment: folded box attaching apparatus 100 is in FIG from bottom-right ADF 1, and blank to be processed pulls out from printed sheet heap with higher speed by this ADF in succession, and is delivered to separately follow-up machine table.ADF 1 is connected with alignment tool 4, and blank is alignd by the reverse stopping means in side separately.Two belts pass through alignment tool to the located lateral part of appliance of 5 forms, and this belt to being used as delivery element, and carries out located lateral by adjustment drive unit.
Follow by precut device 6 and the first folding module 7.By precut device 6 or folding module 7, the form as delivery element is belt, and right located lateral part of appliance carries folded box blanks 50 along throughput direction T, and this delivery element carries out located lateral according to folded box type by regulating drive unit.
Folding module 7 is connected with turntable 9.In order to by blank around vertical axis revolving 90 °, turntable 9 comprise two be parallel to each other arrange transportation sections, its speed can separately regulate.Blank is positioned on two transportation sections, to rotate when they are different on two transportation sections.Two transportation sections comprise the driving rolls as delivery element.
Being connected to, turntable 9 is another alignment tools 10, and this alignment tool is identical with the alignment tool structure after ADF 1.Therefore, this alignment tool also comprise form be belt conveyor right be used as the located lateral part of appliance of delivery element.
Next machine table 13 is for implementing the process depending on folded box type; The such as precut line of rabbet joint or enforcement special marked fold.As the belt of delivery element to through machine table 13 with according to folding device 20 of the present utility model, this delivery element carries out located lateral by regulating drive unit.In addition, and 6 folded box can be produced at 4 by folding device 20.
With latter linked be folding table 14, be coated with in advance in this folding table paste seam folded 180 ° of blank section.The belt that folding table 14 comprises delivery element form to an adhesive coater, this delivery element depends on the laterally unknown of blank type by regulating drive unit to move to.Latter linked be band to band transfer module 15, from this band to band transfer module, after folding, there is blank that not yet condensation pastes seam be delivered to collection subsequently and pressurizing unit 16 when all parts are accurately aimed at.Be used as in the collection of bracket and pressurizing unit 16, first form one by the blank stream completing folding blank 52 and form, this blank stream is pressed a little time subsequently between compressive zone, to connect stickup seam.Transport platform equally also comprises belt pair, and this belt team carries out lateral adjustments by adjustment drive unit.
The first form of implementation of the drive unit 22 according to folding table 20 of the present utility model is described in Fig. 2 a kind.Drive unit 22 has a crank 23, and this crank is rotated around the point of rotation by the drive unit 29 not carrying out illustrating herein.A connector 24 is connected with at the free end of crank 23.A folding element 21 is there is at the other end of connector 24.In addition, drive unit 22 also has a connecting rod 25, and this connecting rod is connected on support 27 at an one end in the mode of rotatable movement, and its another end is connected with connector 24.
Respective folded box blanks 50 carried folding device 20 along throughput direction T at transporting flat E by bottom and top conveying equipment 2,3 (form is conveying device 5, has endless apron).Can be made by folding device 20, folded box flange 51 carries out folding and preserving on folded box blanks 50.To this, each folding element 21 contacts with folded box flange 51, and by its bending.Each folding element 21 is moved on moving track 28 by drive unit 22.This moving track 28 couples of transporting flat E cut, and folding element 21 contacts with folded box flange 51 subsequently.Folded box flange 51 is carried out folding after, folding element 21 moves to the orbital curve section of level in essence again.In Fig. 2 b kind, the position of folding element 21, folded box flange 51 to be folded and the structure of crank 23, connector 24 and connecting rod 25 show at four different time point z1, z2, z3, z4.
Show the moment absorbing state of time point z3 in figure 2 c.In addition, in figure 2 c, crank 23 is driven by servomotor 29.Folding element is rotatable roller 21 structure herein, can avoid the formation of mark thus.In order to more very clear, in Fig. 2 b and 2c, no longer show folded box blanks 50.
Show the another kind of alternate configurations of the drive unit 22 of folding device 20 in figure 3.Herein, connector 23 is undertaken in rotary moving by unshowned drive unit.The end rotated freely at crank 23 is provided with connector 24 simultaneously.This connector 24 has folding element 21 in its another end support.Rotatably be fixed on the slide hinge 26 control connection part 24 on support 27.Folding element 21 forms a moving track 28 thus.Moving track in the form of implementation of this moving track 28 and Fig. 2 a to 2c has the citation form of arch.