Drive unit and the die-cutting machine with this drive unit
Technical field
The present invention relates to a kind of there is the drive unit of feature described in claim 1 preamble and relate to a kind of platform-type cross cutting according to claim 7-and/or-marking press.
Background technology
The cutting of cutting out mould with closed geometric shape is called cross cutting, and this cuts out mould can be circle, ellipse or polygon and any type of irregularly shaped.The processing of carrying out, as utilized die cutters to carry out cross cutting, corner cut and index cross cutting, also belong to this field in post-press finishing.Cross cutting is towards cross cutting cushion block or carries out towards punch, is also partly shear history.The packaging material of being made by plastics, foil material, paper, cardboard, cardboard case or corrugated paper are mainly with page specification but be also cut with band specification.But in cross cutting process, also can additionally in useful part, apply ditch streakline or arch flower.For example, because final products are packings packing of (for cosmetics, cigarette, medicine, food etc.) of high requirement aspect the enforcement of technology and figure, so not only packaging material itself are proposed to special requirement, and also require to have the cross cutting instrument of minimal tolerance and extremely accurately and the die-cutting machine of reliable operation for best result.Platform-type die-cutting apparatus can meet these requirements best.At this, processing page situation in by printed and on supporting plate stacked page be supplied to die-cutting machine.In this machine, the page for the treatment of cross cutting in orienting device by accurately directed, by grabber car accept and accurately in die-cutting apparatus, be positioned at be fixed supporting leave from office and can be by between the appearing on the stage of toggle link or radial gear vertical motion.The machine of the following stated is also disclosed: in these machines, leave office towards the fixing motion of appearing on the stage.
For the page consisting of paper, cardboard and analog being carried out to cross cutting, impression, stripping, the separated and known page cross cutting collected of useful part and marking press disclose by grabber car and have made page move through each station of machine if desired.Corresponding grabber car has grabber bridge, and grabber is fixed on this grabber bridge, and described grabber grasps the leading section of page.In addition, grabber car has the car that travels of side, described in travel that car is connected with the endless-chain of induction system and grabber car moves through machine thus.By this motion mode that makes page pass machine, realized high machine power, because processed successively in each station, particularly cross cutting that page arranges in succession in the front and back of machine, stripping and useful part separating station (cutting-stripping-blanking).
For example, by DE3044083A1 and US7,658,378B2 discloses a kind of so platform-type die-cutting machine.Two platforms are equipped with cutting and grooving tool or corresponding engagement tool, utilize they from beat the page cross cutting that guides between table top go out useful part and be pressed into for neat folding required rill simultaneously.In waste clearing device subsequently by stripping machine tool get rid of waste material.According to the equipment of machine, the useful part that finally cross cutting can be gone out is separated in the useful part separator for this reason arranging.In Fig. 2 of DE3044083Al and affiliated description, disclose as promoting the eccentric driver of driver for cross cutting station.In this drive unit, there is the eccentric shaft rotation of the eccentric part being located thereon and by means of eccentric roller, reciprocating motion be delivered on pressing plate, so same enforcement of described pressing plate moves back and forth.In the contact area of eccentric roller and pressing plate, occurred very high contact force and frictional force, described power is by special material selection, surface treatment and lubricate to deal with.
Have according to the page die-cutting machine of the eccentric driver of prior art and have following shortcoming: in the contact wire between corresponding eccentric roller and pressing plate, have very high linear force.
Summary of the invention
Therefore, task of the present invention be to provide a kind of drive unit and a kind of platform-type cross cutting-and/or-marking press, described drive unit and described platform-type cross cutting-and/or-marking press at least reduced the shortcoming of prior art, and optimized the power transmission between eccentric driver and pressing plate.
Described task solves by having the drive unit of feature described in claim 1.According to the present invention for platform-type cross cutting-and/or-drive unit of the reciprocating pressing plate (particularly appearing on the stage) of marking press (for processing page or the band of particularly being made by paper, cardboard or plastics) has frame and driver, described driver has power train and at least one eccentric shaft.At this, driver drives at least one eccentric shaft by power train, wherein, on corresponding eccentric shaft, at least one eccentric part has been installed, for pressing plate is moved back and forth.According to the present invention, described drive unit has at least one and is arranged on the roller boots in power between eccentric part and pressing plate stream, for by cross cutting-and/or-force of impression is delivered to pressing plate from least one eccentric part.At this, roller boots have a large amount of roller forms, in retainer directed rolling element.Therefore, by favourable mode by cross cutting-and/or force of impression by a large amount of rolling elements, be directed in pressing plate, wherein, and according to the solution of prior art, compare the active force in the contact wire having reduced significantly between corresponding rolling element and pressing plate.
The present invention has the following advantages:
-load can be distributed on more substantial rolling element;
-therefore due to less moving-mass, be more difficult for skidding and therefore more not easy to wear in the reciprocating contact of half way;
-drive unit has cheaper manufacturing cost;
-need structure space still less, thus allow more compact structure mode.
At first of roller boots, implement in flexible program, the rolling element of roller form is arranged in retainer abreast in a plane.
At second of roller boots, implement in flexible program, roller boots are embodied as the roller revolution boots with rotating rolling element.
According in the favourable improvement project of drive unit of the present invention, in the roller boots between corresponding rolling element, be provided with distance piece.Can stop thus rolling element on pressing plate, to carry out being directly in contact with one another between roll extrusion moving period.
In particularly advantageous at drive unit according to the present invention, therefore preferred improvement project, the rolling element of roller boots is embodied as cylindrical roller, because cylindrical roller is particularly suitable for transmitting high power.
According in the favourable improvement project of drive unit of the present invention, pressing plate has the surface of sclerosis and/or has for the lubricating arrangement of lubricant medium is provided constantly in the contact area of the described rolling element of itself and at least one roller boots.Therefore can in contact area, keep few wearing and tearing.Described lubricating arrangement can for example be embodied as oil tray.
The invention still further relates to a kind of platform-type cross cutting with above-described drive unit-and/or-marking press.
Described the present invention and favourable improvement project described in the invention are also the favourable improvement projects being mutually combined.
The present invention about other advantage and in design and in function favourable structural scheme consult dependent claims and with reference to the embodiment description of affiliated accompanying drawing.
Accompanying drawing explanation
According to preferred embodiment, also should further explain the present invention.Wherein schematically illustrated:
Fig. 1: show according to die-cutting machine of the present invention;
Fig. 2 a: show the first sectional view that is upward through the driver of appearing on the stage in the side perpendicular to eccentric shaft;
Fig. 2 b: show the second sectional view through eccentric shaft and the driver of appearing on the stage.
Corresponding element and parts are denoted by like references in the drawings mutually.
The specific embodiment
Figure 1 illustrates page for paper, cardboard, plastics and analog are made is carried out cross cutting, stripping, useful part is separated and collect page cross cutting and the theory structure of marking press 100.Cross cutting and marking press 100 comprise the collector 4 that continues glassware 1, cross cutting station 2, stripping station 3 and have placement and useful part separating station, and they are carried and surrounded and driven by master driver 17 by common machine case 5.From a side, be that so-called fore side can approach processing station 2,3,4; The power train of page cross cutting and marking press 100 is positioned at opposed side, is on so-called driving side.Equipment control device 15 is controlled the flow process of die-cutting machine 100 inside.
Page 6 is 6.1 single by so-called dust collecter 18 minutes from stacking by continuous glassware 1, be supplied to page induction system 7 and caught its leading edge and on page throughput direction B, drawn off and on the different station 2,3 and 4 by cross cutting and marking press 100 by the grabber being fixed on the grabber bridge of grabber car 8.
Page induction system 7 has a plurality of grabber cars 8, thereby a plurality of page 6 can be simultaneously processed in different station 2,3 and 4.Grabber car 8 is driven by chain drives.
Cross cutting station 2 by lower platen, be so-called leave from office 9, and top board, be so-called 10 compositions of appearing on the stage.Appearing on the stage 10 can vertically be moved back and forth and support and by eccentric driver 200, it moved back and forth, and described eccentric driver further illustrates in Fig. 2 a and 2b.Appear on the stage and 10 be provided with and there is cross cutting-and the upper instrument 30 of necking tool.Leave office and 9 to be stationarily supported within machine case and to be provided with and cross cutting-and matching board 20 of coordinating of necking tool.Alternatively, 10 static and 9 motions of leaving office of appearing on the stage.When impression, replace cross cutting and grooving tool ground to use coining tool, it especially has the form of so-called impression relief printing plate.
Grabber car 8 page 6 is transported to from cross cutting and impression station 2 subsequently, be equipped with the stripping station 3 of stripping instrument 21,23.In stripping station 3, by stripping instrument 21,23, unwanted waste material section 11 is gone out downwards from page 6, make thus waste material section 11 drop into and be pushed in the car formula container 12 below of described station or be transported away therefrom.
Page 6 arrives collectors 4 from stripping station 3, there, and page 6 or only placed simply or carry out simultaneously the separation of each useful part of corresponding page 6.For this reason, collector 4 has stripping instrument 21,23.Collector 4 also can comprise supporting plate 13, and each page 6 or useful part are stacked on this supporting plate to stack 14 form, thereby can stack 14 supporting plate 13 and remove from the region of cross cutting and marking press 100 having page after stacking height reaching definite.In order not need during stacking in replacing that machine 100 is shut down, can use auxiliary pile device.
Fig. 2 a and Fig. 2 b with different sectional view details show 10 the driver 200 of appearing on the stage of die-cutting machine 2:
There is shown in common two eccentric shafts that are arranged in parallel 211, described eccentric shaft is respectively with two eccentric parts 215.Corresponding eccentric shaft 211 is connected with unshowned power train with coupling device 226 by driver flange 215 and is implementing to rotatablely move thus r.Corresponding eccentric shaft can single type ground implement and by means of at least two but preferably four separable rolling bearings 213 be supported in frame 5.For the coupling device 226 of power train, may be embodied as the coupling device (for example spring leaf coupling device) of torsion proof, flexibility, thereby the low height that can compensate simply between driver flange 225 and power train is poor.
The r that rotatablely moves of eccentric shaft 212 is converted into the reciprocating motion h of capacity eccentric bearing 212 by eccentric part 215.Described reciprocating motion h is delivered on pressing plate 10 by roller boots 218 and causes cross cutting power F
s.Pressing plate 10 have in its surface two that can move according to double-head arrow e, for regulating cross cutting power F
swedge part 216,217.Between capacity eccentric bearing 212 and upper wedge part 216, be provided with roller boots 218, described roller boots are delivered to and on pressing plate 10 and at this, on the surface 222 of upper adjusting wedge part 216, are implemented roll extrusion campaign w by wedge part 216,217 moving back and forth h.Roller boots 218 have a plurality of rolling elements 219, and these rolling elements are directed and between these rolling elements, be provided with distance piece 221 in roller holder 220.If rolling element 219 is embodied as cylindrical roller, between described cylindrical roller and described surperficial 222, there are a plurality of contacts wire, in described contact wire, carry out power transmission.In order to realize maintenance less and durable solution, regulate the surface 222 of wedge part 216 should be hardened and in this region, lubricating arrangement should be set.
Reference number table
1 continuous glassware
2 cross cuttings-and/or impression station
3 stripping stations
4 collectors, have useful part separating station if desired
5 machine cases
6 pages
6.1 pages stack
7 page induction systems
8 have the grabber car of grabber
9 leaves from office/lower platen
10 appear on the stage/top boards
11 waste material sections
12 containers
13 pallets
14 collections stack
15 have the control device of interface and input instrument
16 have the supply table for the unit of directed page
17 master drivers
18 dust collecters
20 times instruments
21 have the upper instrument of drift
The separated grid of 23 useful part or stripping bed (lower instrument)
Instrument on 30 (cross cutting instrument)
100 platform-type-page cross cutting-and/or-marking press (die-cutting machine)
200 drivers of appearing on the stage
211 eccentric shafts
212 capacity eccentric bearings
213 step bearings
214 have the rolling bearing of rolling element and roller holder
215 eccentric parts
The adjusting wedge part of 216 cross cutting power
The adjusting wedge part of 217 cross cutting power
218 roller boots
219 rolling elements
220 roller holders
221 distance pieces
The surface of 222 sclerosis
223 run-on tabs
225 driver flanges
The coupling device of 226 power trains
E is for regulating the adjustment campaign of cross cutting power
R rotatablely moves
W roll extrusion campaign
B page throughput direction
E page transporting flat
F
scross cutting power