DE1652326A1 - Device for applying and spreading viscous or pasty masses on workpiece surfaces - Google Patents

Description

DiPUQ ^

Dipl.-Ing. Wolter Jackitck Pottntanwöll Pa. Adolf Prie 1652326

eeeellechaft with limited Hat tuns A 29 997 Stuttgart-Bad Oannatatt.Baldanstr. 94

Set up for application and spreading » ▼ on pasty or paatenförinlgen Maeeen on workpiece surfaces.

The invention relates to a device for applying and spreading viscous or pasty hate on workpiece surfaces, comprising at least one application device and at least one stripping device which is flexibly pressed against a Vsrkstüokfläche, as well as a Yorsohubeinrloltuig for the workpiece moved relatively on the scraping device. Devices of this type are known above all for use as a spatula for flat woodworking tools, for example. earn application and spreading of various types of pore-filling compounds, referred to as "application compound ¹¹ " in the following course »

The application device and the stripping device as' essential components of such a facility work in the V ·! ·· susanMn that dl · order saas ·· in a layer of excess starch on the workpiece surface and then from the Abetrelchvc ^ direction in dl · unevenness or pores of the Werketttokflfiohe pressed and is equally advantageous, whereby ·! gleiohssitäg dl

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Above a large amount of application material was removed and dor Workshop areas are removed iauS. Bel dan known, Abc ^ reloUers working with prank eaters if only one workpiece surface below is achieved by machining, the excess, calibrate in front of the stroke edge of the StrelohsieeBerB witiatföniig accumulating Maaae over the steeply inclined Surface of the Strelohsessers in a collecting container expires. This mode of operation of the known facilities has on the result »that a simultaneous processing is opposed to it or is angles more arranged to each other WerketUokfläohen, c.B. the two »ltlg« n main surfaces of plate-shaped work pieces such as door leaves or the like. " Basically it is not possible let.

In addition, in the case of the known institutions, the above-mentioned Kind of annoying in Ereohelnung »that the excess» calibrated at the Strelohkante gate the drainage bulge-shaped anaajOMlnde application area at the end edges of a Werketüokfläobe see a corresponding bulge or drop formation and there is also a contamination of the workpiece bsw. after hardening see jore deviations or unevenness leads, which the last among the otto stands even one Haohbearbeltang by sole elves necessary naohvn · This Unusual appearance also adds special features the processing of untr.rbroohenen works

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noticeable, for example beta spatulas τοπ ait aneohnltten Yeraehenen or titled door leaves or the like. «because aioh on the works that spring back from the coating edge during the forward stroke movement and, to an even greater extent, on the advancing works, the incursion of the order edges always forms a bulge-like shape hanging arrangement of the WerkatUokflMohe before hardening over the lurliokflleaat and aonlt at each recess of the value tUokflaOhen more or less strong uta flatness caused, Ä

furthermore, spool directions are known which, apart from a 11oh ·, in the same direction as the workstUokflttohe circulating contract orphan have an oppositely circulating oil valley, what is the function of the stripping device here. About » niasite. In particular, it is also known (DAS 1,166,667), the order whale and the OlKttwalse over the VerkatUokflMohe to form a gap next to each other so that the between the rollers and above the gap the existing space in a storage container for the filler. In this known device, the return of the overshoots, orders withdrawn from the oil roller in the storage room automatically through the adhesion and Wtaa ascending Uafangsabschnltt the smooth roller take place. A binary arrangement basically enables processing an overlying Werketüokfläche, but aioh has the Mode of action of an oil roller in relation to the usual spreading measures proven to be not equivalent in practice. Particularly in the case of comparatively large application areas, a strong

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Flichen pressure on the workpiece surface, as this is easily achieved with the usual Strelohaeesern « be switched. This is particularly evident with the well-known and More and more frequently used hollow door constructions in recent times “With comparatively flexible cover plates, this is disadvantageous because of this, a correspondingly uneven distribution of the pressure pressure over the roller rings and thus a Uneven layer thickness results from the application maaact. Also is the recovery of the excess application mass with the help of the ascending circumference of the smooth roller is not always satisfactory, since with a strong accumulation of wiped off. Sluggish and especially in low-flow mice easily Drain and then an increasing and finally of the OlKttwalze no longer perfectly manageable accumulation from the application area in the area of the workpiece surface in front of the Oltttt » Walse enters.

The object of the invention in this context is the creation a glue for applying and spreading viscous or pasty masses with the help of ■ string eaters « in which the accumulation of excess application mass in front of the coating edge is eliminated or on a harmless « HaB is reduced and thus the machining of workpiece surfaces without affecting their spatial area Location allows. In the case of a device of the type mentioned at the outset, “loh characterizes the solution according to the invention this task mainly by the fact that the

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device has swel Ahetrelchorgane whose Brushed edges in the working position with the formation of a receiving space with a small mutual distance lie on the workpiece surface, and that the contact pressure of the front streiohkante seen in the direction of advance of the workpiece is less than that of the The rear edge is seen in the same direction.

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The mode of operation of the device according to the invention Tor all is based on the interaction of the two Abstreiohorgane. The lower pressing force on the first, i.e., the front stray edge seen in the direction of advance of the work piece »that is, the very first with the excess applied When the mass comes into contact, this ridge can be raised under the buoyancy effect the graining corn sohioht, and «was about such a thing Kafi that any undesired accumulation of material before the first

Streiohkante is avoided «With sweckentspreohender Adjustment of the contact force arrives at the order size thus essentially unhindered in the area of the small distance between the two stray edges, i.e. in the Aüfnahmeraua formed here. At the "wide" i.e.

rearward as seen in the direction of the workpiece} ' The actual dismantling process then occurs

■ It pressing the order volume in utilities and forums the workpiece surface as well as even distribution and Strength reduction of the order amount to the desired one Nefi a «The surplus of contract assets retained here However, the first stray edge in the direction opposite to the torso stroke movement of the work piece cannot be overcome, but rather it is held in the receptacle and remains the sound of the hangover is secreted. Leave with it See basically all the bad parts of the known institutions avoid »when machining both lower and upper workpiece back surfaces.

On the one hand, the "device according to the invention can serve" to be carried out in such a way as to be used as stripping organs Two strikers arranged at an angle are provided are and at least that in torso alignment seen front Streiohnesser with the YerkstüokfUlohe a spit sen, open against the yorso direction Forms angle of attack. The use of usual 8treich * eeseras within the inventive device emOglioht in a simple way «a safe lifting of the first stretcher edge sos Durohlafl the order« · ■ Mse without the formation of bulge-shaped attachments and similar

from the lateral sioher restraint of the wide stray edge jammed ÜbersohaBattsee against the resignation in the area the Yerkstttokflttohe in front of the first Streiohkante · Here results in an advantageous measurement setting by the fact that

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the angle of attack of the front streak mesa in one Range from 2 to 20 angular degrees.

A further development of the device according to the invention is characterized by the fact that two wiping devices, each with a similar application device, are provided for the simultaneous processing of an upper and a lower workpiece pool. This embodiment enables a beidsoitige processing "r durchlaufeuden workpieces d in a single pass and" Jne substantial improvement in plant efficiency and the amount of work in perfect yiächenauftrag.

In detail, the execution form mentioned is according to the B & Ben facility designed in such a way that that the receiving roughness of the upper stripping device on a su the sugehOrigen application device leading RUok conveyor for the «loh ansaaaelnde job order an- I closed 1st. Using a known Walsen application device for an overhead workpiece surface, the one bit of the last coherent Auftrogwalse has a particularly advantageous implementation of the orientation according to the invention in that the applicator roller is in contact on the periphery with an upper course of the receiving space of the upper scraper arranged and as return funding for the

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Order oasse Torgeeehen let. This simultaneous use of the order orphan all return conveying means leads to a particularly space-saving and low-cost building structure. xxx) 3. 8a

For further features and gate parts of the invention, see from the following description of display examples, illustrated in the drawings

Fig. 1 is a schematic side view of an erftndungogeaäfien Facility to apply and spread pore-filling hates looking across but thermosetting of the workpieces,

Fig. 2 On a larger scale a likewise sohematleslie Side view of a section of the Abairelchvor ··· riohtung la area of the coated edges on the work » piece area and

Fig. 3 shows another embodiment of an inventive exhaustion device. also in a partial side view in green scale.

In the "inrlchtung according to Figure 1, a workpiece 1 passes under the action of Antriebewaleva 2 in Yorsohubriohtung Gesab arrow Ä SiMi Auftragvorrlohtungen 10 and called 20 for a Porenfüllaaase or the like. _(La following course" Auftrageaasse "and swel naohgesohalttte Abstreichvorrichtungen 30 and 40 The Aoftragvorrlohtung 10 is old of the Abstreiehvorrlohtung 30 su a structural unit susaanengefafit and for

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A particularly important Ausgeefeilfeig according to the invention is characterized Binrichtung "the active edge of a Abstreiehorgans ame in the rest position of the scraping device sealingly against the other Abstreichorgan applied. Through this design, an automatic completion of the general reception space filled by the previous work process is achieved without special devices, if the Ötreichkanten are not on a workpiece surface, ie in the time periods between the successive work processes. In this way, an exact determination of the opening time of the recording area is also automatically achieved by the incoming workpiece itself, so that a

undesirable

Exit of orderSBasse to the workpiece is excluded.

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processing bsw. Treatment of the overhead workpiece " area 3 provided. BbSsprechendeο applies to the application device 20 ait of the adjustment device 40 of the workpiece area below 4 · Dee continuous The workpiece is treated on both surfaces at the same time.

You application devices 10 or 20 uaf each have an application roller 11 or 21 as well as another one attached to their day Dosierwalse 12 bew. 22. In the application device 10 iot in the upper entrance angle below the touching one Valienaänteln a gate room 19 formed for the order oma co tu " from dea the Iftafanaabsohnitt exiting near the bottom

or AnatellunjK 13 of the contract orphan 11 ait is provided with a Hasseso layer determined in its strength by the adjustment of the metering roller 12. This ground level is transferred to the contact point 14 on the same direction as the orphans »aai & el Torrüokende Yerkstttckfläohe 3.

On the lower applicator device 20 is a storage container 29 Provided "in whose Ifaseespiegel the coat of the order" walse 21 dives. On the rising Uafangsabsohnitt the order orphan 21 becomes a mass determined by the contact pressure of the dosing orphan 22. Transfer point 24 at the workshop area below 4 transported.

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Seen in direction A behind the transmission units Etc. 24 Bind the stripping torches on both sales surfaces 30 or 40 arranged. These consist essentially of each of the abetreiohorgar provided for Streiohaeseern 31 and 32 bsw. 41 and 42. Bee in torso alignment geoehen Tordere (k ^ re "first") Streichmesaer 31 biw. 41 iet in each case against the corresponding workstUokfltlohe Tergleiohaweiee flaoh inclined, dae evreite prank meseer 32 bsw. 42 each much steeper, in the. * Eiopiolofall Almost perpendicular to the workpiece lines. In the example case, the sttfeicbaeooor are designed as elastic, resilient leaf ears and in on the ge .'unechten Heigongswinkel set Balterangen 39 attached Die in each case seen in Vorsohabriohtung front stray edge

33 bsw. 43 of the first Streiohnessero 31 bsw. 41 is invented B. old lesser force against the sugehige The workpiece surface is also tested as the rear edge

34 bsw. 44 of the so-called "wide Streichweesers 32 bsw. 42. The effective contact pressure is the loramlkoaponeate the force acting on the edge of the struggle is observed by the sucking offsets. The lower part OrOIe of this ionic component results in The same Terfomang of the elastic group hot eaters already aas their differences in leigang unlkann possibly by appropriate susmtsllohe (elastic) writing baw. corresponding setting of aging 39 In the desired «

Senses are affected.

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Vieich 1 «one from the following explanation of the According to the invention Abetrelehvorriohtung results, the Excess order dimensions when the workpiece is run in a reception space 35 or 45 promoted. In the receiving space of the upper stripping device the calibrating application cup rises up to one a rear edge of the holder 39 of the scatter knife 31 formed overflow 35a, which with the scope of the order orphan 11 is in contact. The side surfaces of the recording room are suitably sealed and can be added with eifim « High overflow can be provided. Here the application mass is through Adhesion on the circumference of the applicator roller 11 and taken over the Valzenscheitel in the direction of the Umlauf up fei la C in the supply " raun 19 of the application device S 10 returned. In the lower stripping device 40 forms the corresponding receptacle raun 45 between the doctor knives 41 and 42 a sequence, δ from which the excess application compound is directly returned to the storage container 29 of the application device 20.

The mode of operation of the Abstrelohvorrlohtung according to the invention 1 is shown in detail with reference to Flg. 2 explains which the area of the abstrelohs of the upper abatreioh « device 30 with a section of the workpiece * 1 in «$ 9M * l £ ff») | ia «tab represents. Za fall of this example management results in the principle of operation in accordance with the invention essential diaroh the low angle of attack 5 and the correspondingly great durability

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the front streiohkante 33 in the direction perpendicular aur Workpiece surface 3 The from the application device to » coming Hassesohioht, applied with excessive strength 8 can accordingly the doctor edge. 35 by acting on the flat inclined underside of the doctor knife Buoyancy without substantial back-up and hassle-free movement Lift up in the area in front of this sill edge and arrive at sa ~ next in the area between the two stroking edges 33 and 34t i.e. in the lower section of the receiving space 35

You rear Streiohkante 34 is - seibot with the same

at
Dimension / elastic deformation - in the direction perpendicular to the workpiece surface 3, due to the steeper arrangement of the scattering knife 32, it is substantially less flexible and causes the application compound to be pressed into the unevenness and pores of the workpiece surface in the usual way, with a thin, evenly distributed hatching base 6 At the same time, the excess application layer is backed up on the front side of the coating edge 34 and deviates upwards into the receiving area 35 according to part B Adjust the flow conditions in the area of the coating edges without difficulty "* o so that the baffle at the front of the Strelohkante 34 is deflected substantially upwards by the Streiohkante 33 la" that is, into the receiving area, so that the passage of the application "· *

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in the feed direction according to arrow A between the workpiece surface 3 and Streiohkante 33 is not significantly hindered and thus «Ine Hasseansamalung goal of Streiohkante 33 is prevented. You sunehaend the suturing space over the boufiaasse 7 is then in the manner already explained with reference to Pig.1 the order, which also serves as a RUokförderaittel; alBa 11 suggests.

When executing an inventive scraper gate "» tung naoh Yig.3 are the same setting options for the Streiobaesser 31 and 32 gate seen · the latter are here in contrast to the execution explained below for the gate as on axes 31a bsw. 32a pivotable, inherently rigid nesser bars formed. Corresponding arrangement and mode of operation jedooh Grundsätslioh the preceding description, which is why in the interest of clarity for corresponding parts the same Besugesiffer as in Fig. 1 bew.2 are introduced.

Strelohaeasers 31 and 32 swivel around the south Streiohkanten 33 bsw. 34 parallel axes 31a bsw. 32a exclaims suftaaoen from a resilient, yielding pressure the same effect as when running after. Pig »2 emerged. To adapt to different operational

vevtailtnisse, see B. different · toughness of order ■ aces or different surface properties of the

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YferkstUoks, Bind, however, adjustable AnpreSvorrIchtungen 31ο bcw. 32o provided. The latter essentially exist made of leaf springs 51b and 32b connected to the pivotable Streiofrnessern 31 and 32 in frame-fixed abutments 31 β and 32e set screws 31d b «w.32do

Depending on the pretensioning of the leaf springs, the pressing force of the stroking pins 33 and 34 can be adjusted to optimum operating conditions. You μ gieblgkelt the Streiohkanten in Normalriohtung sur Werket Uokfläohe naßgebende spring rate for the retrofitting also allows eloh by appropriate BemeBBung of the leaf springs as desired affect. I «Example case according to PIg. 3 is more narrow, that the leaf spring 32b of the Strelohmeeeere 32 let it be stronger and lighter than the steeper arrangement gives the steeper arrangement a comparatively special low durability in the horizontal direction of the work piece.

Aufierdea 1st when filling in after Pig. 3 is a "erstell- i mbgliohkelt provided for the HeIgung the Streiohaesser in besug the Werketttokflttohe. For this purpose the Sohwenklagnr and Anprefivorrlohtungen the Strelohmesser the Abstrelohvorriohtung 30 are arranged in a common Sohwenkgestell 30a, deeeen Sohwenkaohse 38 awleohen the bit low mutual» distance passing Streiohkanten 33 and 34

Duroh is arranged on the Werketüokfläohe 3 / this arrangement the Sobwenkaohee 38 is achieved that a change of Angular position of the 8trelohaesser Praktleoh without influence on

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the contact pressure of the brushed edges against the workpiece surface remain. The swivel adjustment takes place in the example with the aid of an adjusting device 57 »which essentially from a slot 37b which is concentric on the pivot axis 38 dee Sehwenkgestells 30a as well as one reaching through this bar and a clamping screw 37a embedded in a fixed frame part 9.

The pivoting division is of practical importance above all for the angle of inclination 5 of the front spreading knife 31 , also indicated in FIG. In addition, in the execution according to Flg. 3 a common swivel division of the two Strelohmesser -provided, since the TorsuntbMnden changes for different toughness of the application aasse on the two stroking edges in some cases are approximately the same. If necessary, however, a separate Sohwenkeinstegradation can easily be provided for both Strelohaesser.

The one formed by the upper edge of the Strelohaessers 31 Upper course 35a of Aufnanaerauaes 35 moves eioh mostly slight pivoting movement ta the Aohee 38 approximately tangentially

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sub Utofang der Auftra & talee H ₁ so that the transfer of the überereehueoaeae in the direction of the arrow 0 at the Verechit which Sohwenkeinetellungen is verified.

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Claims (1)

fa. Adolf fris Limited liability company ι r c ο ο ο ο 3tattgarfr Bad Oannatat ttHaldanatr. 94 I bb I J I b A 29 Patent claims Device for applying and prepainting viscous or pasty hats on workpiece surfaces, comprises at least one application device and at least one stripping device which is flexibly pressed against a wiping surface, as well as a feed device for the workpiece moved relatively to the stripping device, characterized in that the stripping device is capable of being (30 or 40) swel Abstrelohorgan · (31,32 or 41,42), whose stray edges (33,34 or 43,44) in the working position to form a receiving space (35 or 45) with a small mutual distance at the Werkstüokflache (3 or 4) lie, and dad dl · pressing force of the saw in Voreohubrlohtung (A) of the workpieces (1) front Streiohkante (33 BAW. 43) lower than that Ux in gleioher direction seen bsw rear Streiohkante (34. 44) is llnrlohtuttg according to claim 1 »characterized in that as Abstreiohorgane alternately arranged lsi angles Streioheesser (31 * 32 or 41 »42) are provided and that ■ at least the front streloh seen in front elevation ■ eseer (31 qsw. 41) old of the workpiece surface (3 or 4) a spit sen, open against the Voreehubrichtanß (A) Anetellwinlsl (5) forms. 10980d / OS2S. .-2- BADOWOiNAL 3 · Binding according to Claim 2, characterized in that " the angle of attack (5) of the front throat cutter (31 or 41) is in a range from 2 to 20 degrees of angle. 4. Device naoh claim 2 or 3 · characterized thereby-slinft ¹ ? that the Strelchttfeoaer (31 »32) are mounted pivotably about an axis (31a,; tf ^G ) running parallel to the work piece (3) and are each provided with a pressure spring (31b, 32b). 5. Device according to one of claims 2 _t his 4 characterized in that the AbsireIchvorrichtung (30) for at least one of your Streichceoser (3 ~ bzvr. 32) has an adjustable Anprefivorriohtung (31C BSV. 32G). 6. Device naoh one of claims 2 to 5, daduroh gekenneelohnet, that for the angle of attack at least of a Strelohaeaser an adjustment device is provided 1st. 7 * Establishment according to claim 6, because it is known that the the streiohnesser (31,32) of the stripping device (30) around a la Bereioh of the Strelah edges (33,34) as well as «u this parallel Aohee (38) geaeinsaa pivotally mounted and old an adjusting device (37) are provided. 109809/0825 BATH 8. Device naoh one of the preceding claims, characterized in that svel AbstrelohvorrIchtungen (30.40) old each one sugehOrigen thawing device (10 or 20) eur simultaneous processing of an upper and a lower workpiece flaohe (3 and 4) are provided. 9 · device according to claim 8, characterized by marked, that the Aufnabaeraua (35) of the upper area Vorzbhtung (30) to a su of the sugehtirlgen order & device (10) leading RÜokfUrderaittel for the accumulating order crowd connected lot. 10. device naoh Anspruoh 9 * in which the upper application device has an old of Werketüokfläohe fsueamsenwlrkende order wftls #, because it is worth knowing that the order wall * (11) uafangsseltig in contact old an upper course (35 ^a ) of the Aufnahaerauaes (35) of the upper Abetrβic Device (30) is arranged and provided as a ftttokförderalttel for the order aasse. 11. BlnriOBtttQg aaoh one of claims 8 to 10, characterized get paid, because the reception area (45) of the frequent disconnection (40) than an elnea Torratebehllter (29) the sugeherigen application device (20) attndende process Trained for an aaaaelnde job shop. 12. execution after take by g "kemui" l (i ^ et "that the 3t?" Lsii & M!% ® etreichorsoK "(31) in S" s * device (30) Üoh% 95sJ to (32) S BAD I