Tool holding apparatus
Technical field
The present invention relates to a kind of as described in the preamble in claim 1 for the instrument of rotation or tool retainer are releasably secured to the device on driving shaft.
Background technology
For example for the printing machine of slotting or impressing but also subsequent treatment machine, for example folding machine, the continuous glassware of front cover, binding device or folded box splicing machine have the tool unit for the treatment of page shape material not only to have integrated aftertreatment device.
By EP1574323B1, for example disclosed for giving the rotary slotted grooving apparatus of print product.
Even if manufacturing the high-quality print product for packaging industry for example during folded box, first page also prints to wide cut in printing machine.In page, stamp respectively a plurality of useful part of folded box to be manufactured, then useful part described in stamping-out in die-cutting machine.Folded box blank after stamping-out is then supplied to folded box splicing machine and manages into herein folded box.
For by folded box blank, manufactured the folded box splicing machine of folded box known there is at least following module as treating stations:
● feeder, described feeder will treat that processed blank in succession to extract and to be individually supplied at a high speed the first treating stations subsequently out from stack;
● for the applying mechanism of adhesives (normally glue), described applying mechanism is applied to adhesives bar to treat on bonding pleated sheet;
● folding station, in this folding station, the blank part that is provided with adhesive strip is overturn in order to manufacture bonding connection, is folded 180 °;
● and then described folding station arranges a so-called transfer station conventionally, and in this transfer station, folded box can be counted, be labeled and (if defective words) are thrown out of;
● following afterwards a compression station, in the start portion of this compression station, forming a scale being formed by the blank after folding and flow, described scale stream in this compression station under pressure compacted a period of time, thereby two blanks are connected at cemented side seam place.
Each treating stations is in order to carry folded box blank to have driven connecting gear.Described connecting gear for example consists of each upper and lower conveyer belt that is arranged on machine side, and wherein, lower conveyor belt is directed in roller jaw, and upper conveyor belt is directed in roller rail.Described conveyer belt can lateral adjustments ground arrange and can be adjusted to thus correspondingly in folded box blank specification.Described blank is transferred down with printed side between described upper conveyor belt and lower conveyor belt.
By US7,402,129B2 for example discloses a kind of such folded box splicing machine.
In addition, folded box splicing machine has for slotting alternatively, cross cutting and impression be for example for being impressed into Braille's word the module of medical packaging.
In addition,, by US7,794,379B2 discloses a kind ofly to be had for impressing the folded box splicing machine of the module of Braille's word.
In order to fold transverse to the throughput direction of folded box blank, additional device is installed in described folded box splicing machine.This device is for example by US Patent No. 7,678, and 035B2 is open.They are used to manufacture the folded box or do not have with triangular plate, as common in 4 boxes, 6 boxes, foldable bottom box or special boxes in it.In the well known device of described type, Foldable tool below consists of the hook that is bearing in transporting flat below, described hook utilizes the end of its free bend from below, to act on the first flat back stay preventing and in the situation that described blank is further carried to surpass it, thereby described contact pin is folded inwards and flat abutting on folded box blank.This Foldable tool is also referred to as and surmounts hook.
In addition, folded box splicing machine has the hook of tearing being supported rotationally around an axis alternatively.At this, what it related to is swingable carrying lever, and a hook component is fixed on described carrying lever, utilizes described hook component to make upwards turn to and fold back from transmit plane at the blank section of front advancing.This device is for example by US7, and 179,216B2 is open.
In all these devices, instrument and the corresponding pending adaptation of page specification or the replacing of instrument are very bothersome.Need to make instrument and/or the tool retainer of rotation to move freely along driving shaft for this reason.Go back cooperation between being connected of demand motive axle and tool retainer gapless as far as possible, to prevent the motion on axle of instrument or tool retainer simultaneously.When for example, in the situation that the Braille of rotation while impressing that module driving shaft is per second repeatedly to be accelerated and brake again, this is particular importance.Braille impresses module and conventionally has formpiston and former at this, and they are arranged on driving shaft respectively up and down stackedly.Folded box between described formpiston and former, is transferred through and the rotation by formpiston and former applies Braille's impression at this.For this reason importantly, formpiston and former are accurately stacked up and down, make thus projection in formpiston accurately with former in engagement.Described instrument must almost work asynchronously very, otherwise described projection just can accurately not enter into described groove, and this can cause quality problems when Braille impresses.In order to regulate accordingly on instrument or tool retainer, gap between complimentary aperture in respective drive axle and instrument or tool retainer is all necessary for zero in the whole length of driving shaft, and this is very bothersome and expensive owing to manufacturing reason.Therefore conventionally always between these two parts, there is fit clearance.Therefore this unit is per second as already mentioned is repeatedly accelerated and is braked, therefore not the relative rotary motion causing in gapless connection between instrument or tool retainer and respective drive axle, this causes for receiving the wearing and tearing at the place, hole of driving shaft, thereby must change described instrument in the situation that of increase in gap.
Summary of the invention
Therefore, task of the present invention is, a kind of device is provided, and in this device, the instrument of rotation or tool retainer not only can adapt to simply corresponding page specification but also can adapt to corresponding processing to be performed or can be changed simply.Described task solves by the feature of claim 1 characteristic.
Therefore, in an embodiment of the invention, for the device instrument of rotation or tool retainer being releasably secured on driving shaft, there is instrument or tool retainer and at least one configuration to the instrument of corresponding rotation or the clamping device of tool retainer, described instrument or tool retainer have hub, and described hub has the hole with the outline complementation of described driving shaft.Described hole has at least two grooves that slope inwardly and extend.In addition, described hub is provided with external screw thread in one end thereof.Thus, the clamping device of the clamp jaw form that can tighten can be fixed in described groove so that the instrument of described rotation or tool retainer are fixed on described driving shaft.The advantage that this device has is that described instrument or tool retainer can be seamlessly fixed on described driving shaft on the one hand, and can repeatedly be got loose and freely on described axle, move again on the other hand.
One preferred embodiment in, the described clamp jaw of tightening comprises nut, can put into a ring in described nut, settles two clamp hooks in the outer contact pin of described ring.Described ring has identical hole as the hub of described instrument or tool retainer.Described hole is connected with described nut by the holding pin being pressed in the hole on the periphery of described nut.The advantage that this embodiment has is, be threaded connection clamp hook is pressed in the skewed slot of hub bore on the one hand, until produce gapless connection, on the other hand, when nut is released, clamp hook is by driving the holding pin of described ring to realize simply and reliably getting loose of described connection.
Another preferred embodiment in, described nut has for putting into the hole of double-hole nut spanner on its outer face.Can realize the simple motion of nut thus.
In a particularly preferred embodiment, described driving shaft is configured to shaping axle, for example polygon shaft, hexagonal shaft or splined shaft.The advantage that this embodiment has is, for example, in the situation that the coining tool of formpiston and former form, with the correct assembling of two intermeshing instruments of circular shaft simplified in comparison.
Another preferred embodiment in, described device is used in the corresponding module for the treatment of page shaped element part, described module for example for fluting, cutting or impression.At this, be proved particularly advantageously, described device is used in having two driving shafts and being equipped with the module of interactional complementary instrument.
In a particularly preferred embodiment, described device in the module of page processor for example in Braille's module, used in folded box splicing machine.
Accompanying drawing explanation
Embodiment by means of the Braille's module for folded box splicing machine elaborates the present invention below.But this module in this special subsequent treatment machine should not limit the invention to this applicable cases.The present invention can connect as propeller boss the instrument that fixes rotation in general manner.
Fig. 1 illustrates each treating stations of folded box splicing machine with perspective view,
Fig. 2 a, 2b illustrates the processing module with grooving tool,
Fig. 3 a, 3b illustrates the processing module with coining tool,
Fig. 4 illustrates the cutaway view of device of the present invention,
Fig. 5 illustrates device of the present invention with perspective view,
Fig. 6 illustrates the instrument for device of the present invention with perspective view,
Fig. 7 illustrates the clamp jaw of tightening of the present invention with perspective view,
Fig. 8 a, 8b illustrates the main details of the described clamp jaw that can tighten with perspective view.
The specific embodiment
Fig. 1 exemplarily illustrates the folded box splicing machine with a plurality for the treatment of stations for subsequent treatment machine, and tool holding apparatus of the present invention can be used in described treating stations.
Described folded box splicing machine starts with a feeder 1 at right lower quadrant in Fig. 1, and follow-up treating stations in succession extracted pending blank and be individually supplied to out by described feeder from one stacks with high speed.At feeder 1, following a Directing Station 4 below, in this Directing Station, described blank is individually directed towards the backstop of side direction.Can located lateral be two bands to the machine of form partly through described Directing Station, described band is to as connecting gear and can be by servo drive located lateral manually or automatically.
Following subsequently and pre-folding device 6 and the first folding module 7.Can located lateral be that band pre-folds device 6 described in the machine part of form is not only passed as connecting gear but also through described folding module 7, described conveying element utilizes servo drive laterally to locate relevantly with blank type.
In folding module 7, following a turning base 9 below.Described turning base 9 is in order to make blank comprise two delivery sections that are arranged side by side abreast around a vertical axis half-twist, and the speed of described delivery section can regulate dividually.Described blank lies in two delivery sections, makes the rotation when the speed difference of these two delivery sections of described blank.Described two delivery sections comprise driven roller as connecting gear.
At described turning base 9, following an other Directing Station 10 below, described other Directing Station in its configuration aspects corresponding to feeder 1 Directing Station below.Thus this other Directing Station comprise again can located lateral be conveyer belt to the machine part of form as connecting gear.
Ensuing treating stations 13 is for implementing the processing procedure relevant with box type; For example, pre-fold the other line of rabbet joint or implement extraordinary folding.As the band of conveying element to also through described treating stations 13, described conveying element can be used servo drive located lateral.
Then follow a folding station 14, in this folding station, be provided with folded 180 ° of the blank of cemented side seam before.Described folding station 14 comprise as the band of conveying element to adhesives applying mechanism, they can move in its lateral attitude relevant with blank type by means of servo drive.Then following a transfer device 15, by this transfer device, the blank of the cemented side seam that is provided with ot-yet-hardened after folding is being supplied to collection and hold down gag 16 subsequently in all parts accurate pointing.In described collection and hold down gag 16, first form the scale being formed by the blank after folding and flow, thereby described scale stream then keeps a period of time that cemented side seam is solidified between transmission holddown belt under pressure.Described transfer station comprises to be equally with rightly, and described band is to can be by means of servo drive lateral adjustments.
A module for synchronous slotting shown in Fig. 2 a and 2b, it has grooving tool.Described module has right chassis wall 20 and left frame wall 21, and these chassis wall are connected to each other by crossbeam 22,23,24.A lower driving shaft 29 is bearing in described chassis wall 20,21.Lower grooving tool 33 is bearing on described lower driving shaft 29 and is supported on lower instrument director element 41 lateral slidings on described sill 24 by one and is connected with described lower driving shaft 29.In addition, Fig. 2 a illustrates an entablature 23 and a upper driving shaft 28, and the two is all bearing in chassis wall 20,21.Upper grooving tool 32 is bearing in described upper driving shaft 28 and is supported on upper instrument director element 40 lateral slidings on entablature 23 by one and is connected with described upper driving shaft 28.Box blank 12 shown in two on be transferred between grooving tool 32 and lower grooving tool 33 through.Described upper and lower grooving tool 32,33 is by instrument director element 40,41 guiding, and described instrument director element is supported on described crossbeam 23,24 in the mode of having described respectively.Shown two grooving tools 32,33 are only exemplary; Can as requested the grooving tool of any amount be arranged on driving shaft.Mixing, for example grooving tool of different instruments were fine with mixing also of coining tool.
In Fig. 3 a and 3b, with an embodiment for synchronous-stamping, a module is shown, it is as so-called Braille's module.Box blank 12 four that illustrate be configured to upper Braille's coining tool of formpiston 34 and be configured to be transferred between lower Braille's coining tool of former 35 through.Described formpiston 34 and former 35 are by instrument director element 40,41 guiding, and described instrument director element is supported on described crossbeam 23,24 in the mode of having described respectively.Can find out, described Braille's instrument 34,35 can be adjusted on any part of box blank.The quantity of described Braille's instrument 34,35 can be also arbitrarily.
An embodiment of device of the present invention shown in Figure 4.The instrument of a rotation or the tool retainer of rotation 50 are fixed on a driving shaft 51 by the clamp jaw 53 that can tighten.At this, described clamp jaw 53 has two clamp hooks 54, and described clamp hook is fixed on a public ring 55 on an end.Described ring is fixed in a nut 56 movingly by means of holding pin 57.Described nut 56 has for putting into the hole 59 of double-hole nut spanner on distolateral 58 outside it.
In Fig. 5, with perspective view, this embodiment is shown.Driving shaft 51 is configured to polygon shaft.In this view, can only see the nut 56 of the described clamp jaw 53 that can tighten, described clamp jaw tightens on the hub 52 of described tool retainer.
Other details in the structure of described instrument shown in the view of Fig. 6 or tool retainer 50.Can see significantly hub 52, it has the hole 61 with the polygon shaft complementation as driving shaft 51 that can see from Fig. 5.Two grooves 62 are shown in addition, and described clamp hook 54 is put in described groove.
In Fig. 7, with assembled state, the clamp jaw that can tighten 53 is shown and in details shown in Fig. 8 a and 8b.Can see nut 56 and be fixed on a clamp hook 54 on ring 55.It is polygon shaft at this that described ring 55 has with described driving shaft 51() outline complementation hole 61 and by holding pin 57, be fixed in described nut 56.
In addition, described ring 55 has groove 63 in a favourable embodiment, and for receiving the unshowned index pin on driving shaft 51, this makes to simplify correct assembling when instrument matches.
Reference number table
1 feeder
4 Directing Stations
6 pre-fold device
7 folding modules
9 turning bases
10 Directing Stations
12 box blanks
13 treating stations
14 folding stations
15 transfer stations
16 collect and hold down gag
20 right chassis wall
21 left frame walls
22 crossbeams
23 entablatures
24 sills
Driving shaft on 28
29 times driving shafts
Grooving tool on 32
33 times grooving tools
34 formpistons
35 formers
Instrument director element on 40
41 times instrument director elements
50 instruments/tool retainer
51 driving shafts
52 hubs
53 clamp jaws that can tighten
54 clamp hooks
55 rings
56 nuts
57 holding pins
58 nuts outer distolateral
59 holes
60 external screw threads
61 holes
62 grooves
63 grooves.