DE1652153A1 - Machine for deburring, polishing, cleaning and the like. of workpieces - Google Patents

Description

John Fischer Hampe Cleveland Heights, Ohio / USA

PW 185

Machine for deburring, polishing, cleaning and the like of Work pieces.

The invention relates to a machine for precise finishing of workpieces, namely a machine in which the Workpieces are subjected to an oscillating movement in closed curved paths.

In general, such machines are so far only for the precise finishing of workpieces made of metal, plastic or Like. Has been used in such cases (because they are relatively expensive), in which the workpieces are of such a nature that, by their very nature, they are not suitable for finishing by the usual grinding processes, Schwabbeins and polishing are suitable. A main purpose of the present invention is to make a significantly simpler and substantial one to create cheaper machine for precise finishing, which with greater advantage fulfills the purposes for which finishing machines, which work with an oscillating movement in closed curved paths, generally used will.

To this end, the invention provides one with oscillatory movements Masc & ine working in closed curved paths for precise Finishing of workpieces, which is at the same time simple, robust and in comparison with the finishing machines on the market of this type is significantly cheaper to build, maintain and repair.

At the same time, the machine according to the "invention is not only suitable for use in the precise finishing of workpieces that are not easily obtained by the conventional used methods of grinding, buffing and polishing

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can be subjected to fine finishing, but the also for economical use in milling finishing is suitable for very different types of workpieces that are normally produced by such processes, · The invention thus provides a with Oscillating machine for finishing 7 / pieces that stand out for their unusual versatility distinguishes itself, i.e., in other words, that it is broader Appeal to buyers than the complex finishing machines used up to now

The invention also provides a machine for precise finishing of workpieces of the type mentioned above, in which the center of mass and the geometric center of the curved path of the machining equipment coincide under normal operating conditions, i.e. when the Machine is loaded to its capacity. This result is brought about by the fact that the oscillating movement generating parts are designed, constructed and arranged so that they lie on opposite sides of the container in or near the plane of the let’s center of gravity of the container or its contents. An improved result is that the processing means move given in a curved path that is really circular

is shaped, i.e. that it is neither elliptical nor linear, like es, the resultant of a plurality of outer more or we-: niger acting independently of one another (for example horizontally and vertically) and acting on the machine at the same time Powers is. * -:

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The "invention" further aims to provide a precision finishing ease to create with oscillating movements, in which the Drive elements and the associated power transmission from an original position at a certain altitude in new higher or lower layers can be moved. For example, since it often happens that the container and the associated parts drop by an amount that is due to the use a self-adjusting adjustment not balanced this feature of the invention makes ee j it is possible to adjust the drive system to an altitude, in which the clutch can still effect the compensation. In this way "is made possible regardless of the limitations to work, which are set by the usual flexible couplings, which only have a relatively small "j Leave out the range of permissible deviations from the exact linearity.

In the drawing is an embodiment of the invention shown.

Fig. 1 shows a top view of the fascine.

Fig. 2 is a front side view.

Pig. 3 is a side view in partial cross-section along line -3-3 in Pig. 2.

Pig. 4 is a right cross section taken along line 4-4 in Pig. 1.

Pig.5 is a j. ¹ eilschnitt similar to those of Figure "4, serving cur Fcher.atii.ehen Lars division of the. iewe 'uiig issued tools.

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The machine frame 2 of the machine 1 (see ligi 2 and 3) consists of four vertical uprights 3 with wuertteile 4 arranged at the lower end of the Uestells, which are fastened by means of bolts 5 ία foundation. The uprights and cross members are made of angle iron.

Inside the kacehinengestel-U; ii-t an essentially

r; rlindrisc ^; -.or "elriltn ¹ or frog bn) i /: e ^v : no3: t, Γ; er with vt-a-- ■".: / .: "- 1ί-) ι otxiawvvündeh ύ; -." i. - surface; r '. ± l νολ ::. ehen is the tj lie-? s'jg - '. ri' - 'hc-: upper .üiu f: i "!! Ril'iim:, /"' ■ " l, l ^ -. i ^ rey-y.mi, AuJ.-erc u: b ": ;; ■ * ■ a r-fiVung Cc j - \ - ^ '. ^ r Mti .m.", - ,. ·. ■ - ■■ (.rfT.'ieh.r, (s . 1 ' ¹ Lg. 1,

;: ^; i.nd - /. rai "., lj-cl :: v riei;, loüu-e ^ .- ti:], obstructing the üi'fnung cc are; -ip;: rero crtci ^ at on _t eoriinote Ϊ-'tii ^ 'ungen 7 for a vertical ". t ⁱ rsehl ^(-: bbare L'iir 8 with EIR-tm handle 8a pre-3'ihen"..i; j ^ .: rh: ilb% Cffnung'pc it is one of the guiding chute 9 is attached ( see Pig.1 and y). ]; the opposite end of the I ¹ reges marked 10 is closed.

ι With the flat sins of the trough 6 are out as best

j? ig.1 and 3 can be seen, four horizontally lying U-shaped

ge channels 11 versü: .v / ei £ t, two of which are at the same height ac: upper i, nde of the machine frame 2, while two others are arranged approximately halfway between the upper and lower ends of the] ■ aacr.ine frame are. The channels are angecr.-3r.6t, '■■ · :? _e from Pig. 1 can be seen.

The ~; it der *: * ',. rsch'.vei ^ th! .anale 11 i) inü with the stand

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3 connected by elastic spacers 12 made of neoprene, rubber or the like. are made and by Ketall- ■ ^v nuts and bolts 14 and washers 15, with which the elastic spacers 12 for example

* are firmly connected by vulcanizing, held in position. At the inner ends of the bolts 14 Attached heads 14a are also connected to the elastic material of the spacers 12, of which they are with Except where they engage with the washers, are surrounded. The opposite iüriden of the spacers 12 are in a similar manner to Attachment to the stand 3 is formed.

Within the relatively narrow limits permitted by the spacers 12, the trough can therefore move freely upwards, downwards and sideways within the machine frame 2. If the iaasohine is not in operation and the trough 6 is completely or almost empty, which state 1-4, the downward movement caused by the weight of the trough and the associated ropes is so small that it is negligible in practice; however, when the trough 6 is filled to its capacity, it is Downward movement about 18 mm, which is no longer a negligible size.

ία: the outermost parts of the two cylindrical side walls of the trough 6 are horizontal

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lying relatively heavy channels 16 welded on Cs. Figs. 1, 2 and 4). From. den'Canal 16 extend sideways in opposite seals pairs of strong ' claimable bearing blocks 17, between which connecting rods 18 extend. Inside these connecting rods protective sleeves 19 are attached, each of which has two roller bearings 20, a centrally located shaft 21, a cylindrical eccentric 22 carried by the shaft 21 and an outer cylindrical housing 23 surrounds .. Me shafts 21 and the eccentrics 22 rotate in the housing in the direction indicated by arrows in FIG. the Eccentrics are mutually arranged so that they are in the same relative position at the same time, as it shows, for example, the three o'clock position in FIG. As a result, each of the two eccentrics supports the Effect of the other and does not counteract it, as would be the case if the two eccentrics against each other would be offset by 180. The trough 6 is given a limited circular movement by the eccentric 22; simultaneously will, as will be explained below, the. Processing means within this i'roges a circular curved path movement is granted.

With the eccentric shafts 21 are by means of flexible or self-adjusting clutches 24, the two shafts 25 coupled by two DC motors 26, the '' in more detail Synchronism need to work with each other. Through lines .28 and 29, the motors 26 are connected to terminal blocks 27 with -.

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connected to a common control unit 30, in which a selenium rectifier is expediently used. It can of course other types of Kotoren and Steurs ^ stemen are used »

I'aschin outside the narrow part 2 is arranged parallel to the Kaaal 11 a third channel 31, der.Kit ait its ends · SiVei vertical l'rag.platten is silent about 32 from a horizontal ükiien 3 Ede llattform 33> the tilt by 34 is stiffened, carries ,. Each of the two platforms "carries one of the two motors 26"

The laths 52 are ax each swei arranged in parallel vertical slots 35 are provided. ¥ on through transverse strips 38 (]? Ig, 2) connected vertical guide strips 37 extend with screw-thread boles 3 $ "through the äclilitse 35 through * through the fastening screws 36, the drag plate 32, which can be moved slightly upwards or downwards in the slots, can be held at any desired height. The two inner guide strips 37 are above -and connected to each other at the bottom by tie rods 39 *

It has already been mentioned that the invention intends to produce several Sehwinguag generators at the height of the center of gravity, or more precisely in the horizontal plane containing the center of gravity of the drug and its contents. au use, 'flexixi, as it is normal, the 2rog 6 is filled to its capacity, then contains this

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degree of efficiency, with only up to a considerably low

■ ■ =, ■ ■. ■. i-. to work towards the height of the filled trough. In the former case it can

. ' · ^: "■■" ■ "ί

but, if the sag is large enough, the ability of the flexible couplings 24 to compensate for / exceeded sagging

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Ebegie not only the center of mass, but it works too through the longitudinal axis of the '^ roges. Regardless of whether the latter the case / is or not, as long as the plane is the center of mass contains, the movement generated in the machining means in curved paths circular or approximately circular run »This is desirable because under such high conditions the workpieces to be machined are prevented from making their way to the bottom of the Eroges, where they pass through Colliding could cause damage that leads to Eliminate would be difficult or even impossible.

If under such conditions the brewing direction of the eccentric {iV | -r tric waves 21 takes place in a clockwise direction, as indicated by, f the arrows in FIGS. 1 and 4 are indicated, then takes place the movement of the processing means counterclockwise, as indicated in Fig. 5; if the rotation of the eccentric shafts 21 is counterclockwise, the movement of the machining means is clockwise.

As already mentioned above, the trough 6 tends to sag considerably when, as is normal, it is filled to its capacity; d _a low but does not follow daßir to j. - ■ "* is filled to its capacity at all times, because it is very possible, albeit at the expense of the throw

•. will. This makes it highly desirable that, in order not to It is impossible to work with a smaller filling of the trough to make the described adjustment means provided will.

With the back of each of the support plates 32 is. an internally threaded nut 40 is connected, which cooperates with the threaded upper end of a vertical adjusting spindle 41. Each of these two adjusting spindles is connected at its lower end to the vertical shaft 42, the other end of which extends downward into an opening 38a in the crosspiece 38 (β.Fig. 3). Each of the two vertical shafts 42 carries a horizontally lying bevel gear 43 which meshes with a vertically lying bevel gear carried by a horizontal connecting shaft 45 (see FIG. 2). '.' _{according to}

On the left in Fig. 2 of the machine of the vertical shaft is seated on the downwardly extending portion 45, the hub 46 of a hand wheel is provided with a handle 47, by whose Drehtmg the shaft, _a uf which it sits, and thus the zugehörigr Bevel gear 43 rotated turn kana. The latter in turn rotates the bevel gear 44 working with it and the shaft 45. As a result, the bevel gears 43 and 44 on the other side of the machine are threatened,

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which in turn rotate the vertical shaft 42 and the spindle 41. Since the spindle 41 rotates within the nuts 40, they cause a corresponding upward or downward movement

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der ί ragplatt en 32, der; Platforms 34 and the Hot e or en 26 ..

The arrangement allows the axes of rotation = the To bring the plane containing the motor drive shafts 25 to an altitude at which this · plane coincides with that through the axis of rotation the eccentric shaft 21 going plane coincides. In this pail it also goes through or approximately through the horizontal line containing the center of mass, for example those in Pig. 5 through the point 49 indicated horizontal line. If this condition is met, the by arrows in Pig. 5 achieved desired circular curve pattern shown.

Eb is particularly to the clockwise direction of rotation of the individual particles shown at 50. It can be seen that the latter are brought about or tend to make their way up within the trough, although the individual movement is substantial clockwise. Some particles become natural | lent to be in contact with the inner wall of the trough, but most will be more inward, away from the wall.

Essentially, the movement of the mass as a whole is one

circular curved path around the horizontal line indicated at 49. Of course, this is only on condition the pail that the systems generating the oscillation are on. opposite sides of the trough and as far as possible

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approximately at the same altitude as this horizontal line are arranged.

It has already been mentioned that instead of DC motors 26 and the control unit 30 with selenium gauges various other systems for generating a synchronous movement of the eccentric shafts 21 can be used » For example, it is possible to have two synchronous motors or two AC motors of normal design that are operated by a common Control device are operated, or two normal motors to use whose shafts are connected by a power transmission of a different type than that shown in Pig «2 and 3 can. There can also be a single engine below the iroges 6 be mounted, the eccentric Drives waves.

Instead of, if possible, in a genius, through the Eccentric shafts 21 and motor shafts 25 lying on the plane lying in the center of gravity can also have other vibration generators. be used, for example magnetic or pneumatic vibration generators. In any case it must be noted that the forces generated by the vibrators are mutually exclusive amplify and are not directed against each other. Where circumstances permit, they should affect the 'frog and his Content at the height of the center of gravity work »so that they ■ create the circular curved path described above.

Claims (8)

PW 185 ft 1.) Machine for deburring * polishing, putae and the like of Workpieces in which in an elastic on. the machine frame the processing agent contained in the stored Bellolder a movement running in curved paths is issued, characterized in that the vibration generator (Eccentric 22) on opposite sides of the container (Trough 6) in or approximately in the plane of the center of gravity 'of the container and its contents are arranged and that Aids (21 - 48) for adjusting the height of the Drive means (motors 26) of the vibration generator before, are seen. '-'. ■■■ '■■ - "' ■ '-'. ■ '■■ ..'. I- 2.) Machine according to claim 1 »characterized in that the; Vibrators from on opposite lines of the J ■ '■. - '. ■ - - ■: ■ "■; -' - ■■ ■■■■ - ■■. ■■■ -. Ι eccentrics (22) attached to the holder consist of their rotors station axis parallel to a horizontal axis of the loading | holder lies,. . ; 3. ■ ...) '- machine according to claim 1 and 2, characterized »that to drive the vibration generator Blöletromotoren ₍ · - '"''- ■ -" -. · ■ - _t (26) are used, which are at their height opposite the, ■ · machine / part (2) adjustable ^Α device part, (platforms 33) are attached. 4.) Machine according to claim 3 »characterized # that f - - ■■■ '".'. - ~~ ■ ... 009810/0331 . , - -. . ■■■ - ■ -.- ■■ .... - ■: ■■> ■ - 1852153 the means (spindles 41 ) we setting; the altitude
,\ * .1. of the two the motors (26). load-bearing; platforms (35) \ are coupled with each other and with a common drive device -; * (handwheel 48). - '] ; ^{^:::} _/: ■ _ '' ■ _ .. 5.) Machine ¹ after Aittspruq-ii \ lJ;. ^ /; 4i - dad ^r tirGh-gefeennä..eiohn-et | that for the intr ie "b of the Sohwingungs he generates two in synchronism Taetriel those electric motors dieiten-t - v- ■. 6.) Machine according to claim: 1; - »5, characterized in that the motors are synchronous motors; * - /: ^v 7.) Machine according to Claim 1- δ> characterized in that the "two electric motors are operated by means of a common control device in synchronism fretrieljeh will be » 8.) Machine according to claim 7> characterized gekennzeiohnet that
the control device contains Gfleiehriehter and the motors are DC motors «-. , -; '_' 9 «) machine according to claims 1-7> characterized in that the eccentrics have elastic Eu.pplungen with their Äntriebsraotoren are coupled *.>, '...- ■.' ■ '.. ■;' .. 000810/0311