DE1940774A1 - Cross roller machine - Google Patents

Description

E # W. Bliss Company, 217 Second Street, If "W., Canton, Ohio 44702".

"Cross roller machine"

The invention relates to a cross roller machine with in a roller bracket housing rotatably mounted, a roller bracket bearing a role or the like .. Cross-roller machines of this type are mainly used for straightening, rounding, polishing or other surface smoothing of round bars or Pipes used.

Cross-roller machines generally have cooperating pairs of rollers, the rollers of which are arranged at an angle to one another and each rotatable in a roller carrier or a roller block

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are stored. The angular position of the Bollenbucks or the like is usually adjustable. In addition, at least some jacks are adjustable in vertical direction to the distance between the shoulders; the unterschiedliciieii Abnessungen the can to be processed * bar or Rohmaterials- 0th The tertiary setting uM ^s ; The roller blocks also offer the possibility * to bring the cross rollers into maximum contact with the surface area of the respective workpiece, which is necessary for good alignment, good polishing or other surface processing of the workpieces while avoiding spiral markings on the workpiece surfaces.

: Numerous ELn- ; Adjusting devices have been developed. For example, it has been proposed to adjust the angle by means of an the rotating roller block attached radial Ebczenterbolzens. The angle setting of the roller support is in caused this case by turning the eccentric bolt.

Furthermore, an adjusting device has been proposed which has a spindle operated by means of a handwheel, which carries a spindle nut connected to the roller block. By turning the spindle, the angular position of the

Roller brackets are changed. - 3 -

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According to a third embodiment, there is a cam follower in iOrm use of a toggle lever, one end of which lies in a slot in the Bollenbock and its other end for the angle adjustment of the roller block with a bracket or the like. cooperates by means of an adjusting screw is adjustable.

Finally, it has already been proposed to adjust the angle to provide an eccentric bolt actuated by means of a bolt wrench, which is displaceable and rotatable on the Rolleback attacks so that due to the eccentricity of the RollebQck can be rotated.

However, these previously known Winkeleinstellvoprichtungen for roller skates all have certain Haehteile. γ JÖ &<li0 tasÄten JBinatellvorrichtungen very inaccurate * ι, "e suissesrat extremely difficult * 1" operation = a £ S (SiIt ¹ ■! ■ iiiiB * 4 "to achieve the oöweila desired ISin ^ lll ^ if : 0 , '. Disadvantageous It is also the case that with increasing wear of the components of the adjustment devices, the accuracy of the angle adjustment is reduced even further. to provide special locking devices with which

original

the cross rollers according to the respective angle setting can be locked in this Sinstellage.

The invention; is primarily based on the task the aforementioned disadvantages of the known adjustment devices to eliminate. In particular, the invention aims at a device with which the cross rollers adjust and lock it in the set angular position without separate, independent devices must be used. The adjustment and locking device according to the invention should also be designed so that a much more precise setting can be achieved with it than with the covered devices.

The invention features cross-roller machine by means of a bolt adjustment device carried by the housing, which are used to set the angular position and

■ the locking of the roller bracket or the roller carrier in the ™ angle setting can be moved in contact with the roller bracket.

Preferably - the vVin ^ eleinstellvorrichtung zv / ei with the housing screwed, manually adjustable spindles or adjusting screws or the like. on, one of which is on

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one side of the axis of rotation of the roller block and the other is arranged on the other side of its axis of rotation. The roller block or roller carrier has here for each spindle or adjusting screw has a stop surface. The roller brackets or roller carriers are preferably cylindrical and rotatable in the cylinder bores of the Roller block housings mounted in such a way that they can be rotated within the desired lift range »The two Stop surfaces for the spindles or adjusting screws are expediently arranged on the cylinder part of the roller block flat surfaces are formed, which are spaced side by side and on both sides of the center line of the roller block are arranged. When one of the two adjusting screws is advanced, the roller block is rotated in one direction, rotated in the other direction of rotation when the other set screw is advanced. The arrangement is accordingly made. that in each case one of the two adjusting screws or the like. the puncture of a plunger has while the other Adjusting screw or the like. counteracts the rotation of the roller block and has the function of a locking screw, which locks the cylindrical roller block in the selected angle setting.

According to a further feature of the invention, at least one of the two adjusting screws or spindles has a display

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device, preferably a micrometer I fine adjustment device with Honius graduation, to enable precise angle adjustment ZVL * : ■ "-

How ^erwähtnti; istwde ^ · Höllenbofek two-sided also in 7ertikalri chining * b2iwi l3äv _: 'p ^ gs _: ri-öis ^ ujig'"ä © ^: - Br« haoiise adjustable, which can be done with the help of an iterticaie setting device arranged on the Eöirenboekgeliäuse

In the case of a cross-roller machine which is equipped with a plurality of cross-rollers arranged one above the other in pairs, each cross-roller preferably has an angle / penetration device. Instead of the mentioned spindles / and "Siöötellsöhraubert other Sinstellorgane _'t' 'or the like -WiJg ^ can in particular rods, plunger shafts. Erw ¥ # · üdung find this case, the Winkeieinstellvorrichtung be formed so according to a further Aüsfühningsforffi of the invention that it has an adjusting member, which is mounted in the roller bracket housing and is designed in the manner of a rod, a plunger, a shaft or the like, which can be reset in contact with the roller bracket and with respect to it and which engages the roller bracket eccentrically with respect to the axis of rotation of the roller bracket Here it is advisable to provide two adjustment members of the type mentioned, which work in opposite directions and are offset on both sides of the axis of rotation of the Hollenböckg

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Axis of rotation of the roller block running plane.

According to a further essential feature of the invention, the spindles or adjusting screws or the other mentioned adjustment devices on, with which they sicü against the assigned stop surface of the Place roller brackets.

The according to the invention V / inkeleinstell- and locking device is of simple construction; it can be easily operated by the operator, even without special instructions. The setting device enables the angular position to be set very precisely. It is also advantageous that the pan wheels: are locked in the respectively desired angular position by those organs which are used to adjust the angle of the knuckles. This considerably reduces the number of adjustments to be made to the in-machine. It is also advantageous to the vertical adjustment of the cross roller daii make loud, without this the ^"r inkel one Settin g each needs to be made again.

An exemplary embodiment of the invention is shown in the drawing. Bs seiger .:

Fijr. 1 shows a cross roller machine according to the invention in front view;

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2 shows the machine according to Hg, 1 in plan view; 3 shows a section along line 3-3 of FIG. 1;

Fig. 4 in a partial plan view, partially in

Section and on a larger scale the arrangement of the roller brackets and the adjusting screws;

5 shows the ends of the adjusting screws

Jointly arranged shoes, partly in section.

The drawing in which a preferred embodiment of the invention is shown, shows in particular in Figs. 1 and 2, a cross roller machine, here generally init 10 is designated - the roll-up machine instructs Foundation or a floor frame 12, which is designated by 14 Cross roller assembly carries. This has an upper housing 16 and a lower housing 18. The top

Housing is supported by pillars 20 at a distance above the lower Housing 18 held. A plurality of upper bolts 22 and lower rollers 24- are mounted in the housings. The top and lower pools work together in pairs} they form a cross roller passage for the ones to be processed Workpieces, as is generally known in such machines

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■ is-. ■

The storage of the upper and lower RoXXes 22 and 24

in the respective housings, the! ig. in which the bearing of a single pair of racks is shown »The upper cross RoXXe 22 is rotatable in RoXXenzapfenXagern 26, mounted * which hang at the lower end of a cylindrical roller carrier or a roller block 28 * are arranged. The RoXXenbock sits in a. ZyXinder bore 30 of the upper housing 16. The upper RoXXe 22 is connected to a drive, such as an electric motor 36, via a drive shaft 32 and a KardangeXenk 34. All upper tubes have such a bearing and such a drive, as shown in! 3 is only shown for a single upper RoXXe . . """■""·." ■■. .--- ;. '. ". ■■■ - ..

How! Ig. 3 shows, the lower RoXXe 24 is also mounted in roller journal bearings 38 on the upper one. The end face of a cylindrical roller block 40 is arranged _f The roller block 40 sits in a cylinder bore 42 of the lower roller housing 18. The roller 24 is coupled to a second electric motor 44 via a drive shaft and a universal joint. It goes without saying that all of the lower rollers 24 are mounted and driven in the aforementioned manner.

To adjust the upper rollers 22 vertically, each Roller block 28 has a bore 46 on one spindle

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48 is screwed in. The spindle 48 carries a handwheel 50 at its upper end. The arrangement is such that when the handwheel 50 is turned, the spindle 48 is rotated and thus the roller block 2.8 is adjusted in the vertical direction in the cylinder bore 30, the upper boll either being raised or is lowered. It is advisable to assign a setting marking or setting scale to each handwheel 50 in order to enable the upper rollers to be set precisely.

The middle roller has a corresponding adjustment device of the lower cones 24. According to S ¹ Ig * 5, this consists of a handwheel 54 which is mounted on the base frame 12 of the machine and sits on a shaft 56 which via gears 57 and 58 with a spindle 59 is connected as a gear, which carries the roller bracket 40 of the central roller 24. The vertical adjustment of a central roller in connection with end rollers fixed in the tertiary direction is known and does not constitute a part of the invention in and of itself.

As mentioned, it is desirable that each cross roll can be adjusted in the angular position. This can be done according to the invention Carry out by means of an adjusting device, which is shown in particular in FIG. Obv / ohl only those here Adjustment device of a single roller is shown,

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of course every single cross roll has one such adjuster.

As FIG. 4- shows, the cylindrical roller block 28 has a few recesses 61 and 62 on the circumference of the cylinder jacket. The recess 61 is to the left of the center line or the axis of rotation of the roller block 28, while the recess 62 is to the right of this axis of rotation. \ The two recesses are of the same shape and size. j education; they both have a flat and level stop | area 64 or 6? on. The two stop surfaces 6A- and j 6> lie in a common plane that is parallel to the I.

Ikitteillinie of the roller block 28 runs. i

Bushings 65 are attached to the housing 16 in an exchangeable manner, into which a couple of spindles or adjusting screws 66, 68 are screwed. The set screw 66 is aligned with the exit |

recess 61, while the other set screw 68 with the Recess 52 is aligned. The set screw 66 has a Button or other handle 67, while the adjusting screw 6S is provided with a button or a handle 69 is. The two adjusting screws 65 and 63 are opposite The longitudinal center line of the roller block 28 is offset arranged, '"above is the one adjusting screw 66 on the one side of the center line and the other set screw 58 at the corresponding distance on the other side of the "Center line is located. The inner ends of the two adjusting

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screws 66 and 68 are each approximately hemispherical educated; they wear a shoe 69 'which is mounted on the hemispherical screw end so as to be movable in an articulated manner is.

A lock nut 70 is seated on the adjusting screw 66 The other set screw carries a sleeve 71 · The sleeve 71 is provided with a setting mark or a scale mark. It engages over an annular collar 72 which is attached to the fc. associated sleeve 63 is arranged. The collar 72 is also provided with markings. The two scale markings at the sleeve 71 and from this tele-. Lüng collar 72 overlapped in a sicop-like manner together form a micrometer fine adjustment device.

The device described works as follows: Depending on the desired angle setting of the cross rollers is one or the other set screw 66 or 68 in the Socket screwed in while the other set screw is out "The bushing is unscrewed. If, for example, the cross roller is to be rotated counterclockwise in the arrangement according to FIG. 4-, then the adjusting screw 66 is turned back, so dax; they move with their shoe 69 'from the stop surface 44 takes off. The other set screw 68 is screwed in, whereby the shoe 69! the cylindrical xcoilenbock 28 in the bore 30 in the opposite

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Rotates clockwise. The degree of rotation of the roller block 28 can be based on dei? Micrometer adjustment device of the Determine set screw 68. It goes without saying that the adjusting screw 66 must be screwed back by the same amount as the adjusting screw 68 acting as a plunger is screwed in will. When the desired angular position of the cross roller has been reached, the adjusting screw 66 is again so far screwed in "until she is with her shoe 69 'against the Latching area 64 sets. Then the lock nut 70 must be screwed tight in order to set the angle setting of the cross roller in both directions of rotation.

Should the cross roller rotated in the opposite direction the adjusting screw-e 66 serves as a tappet that turns the roller block clockwise around the axis of rotation, while the set screw 68 is screwed back the required amount. It can be seen that with each Direction of rotation one of the two setscrews acts as a plunger, while the other setscrew has the function of a Has locking or locking screw.

Due to the articulation between the shoes 69 'and the adjusting screws 66 and 68 is a firm, flat contact between the rotating movement of the roller block Shoes and the stop surfaces 64 and 65 guaranteed. See the recesses 61 and 62 in the longitudinal direction of the zylindrisöhesä roller blocks extend, everyone can

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Adjust the roller block also in the vertical direction, whereby the respective angle setting is retained. In this way it is possible to determine the angular position of the rollers and adjust the machine to the different diameters of the workpieces without too much the adjusted angular position of the corpses alleviated su -.verden needs.

The articulation between the shoes 59 'and the Adjusting screws can be of different designs. In the embodiment according to FIG. 5 v / e is each adjusting screw a widened head piece 58 a with a spherical surface on, which in the pan-like recess 59 a of the shoe 69 'is articulated. To the shoe without Impairment of joint mobility at the end of the To secure the set screw, a special locking ring can be provided.

It can be seen that with the aid of the setting and locking device according to the invention, an extremely accurate 'Adjustment of the angular position of the individual cross rollers is possible. In addition, the device described allows a Vertical adjustment of the Hollen, without this being the 7th. the locking of the leg adjustment needs to be released. The adjustment device associated with the adjusting screws allows precise reading and control of the angles

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BAD ORiQiNAt

19A077A

setting. Lie '. VinKeleinstellun ^ en race accordingly the 3tanaard £ T ^ * s and types of the various tubes and rods on the adjusting elements]! aufrezeici-net v / earth, so dab in: operating a very quick and accurate Jäinstellurii: m'J: dear iSL. D-with longer set-up times of the machine and avoiding reject losses.

. ^ ₇ , ._,., 0098 10/04 54 -16-

Claims (1)

19 407 7 A. I claims 1. Jlireuz roll machine with rotatable in a trestle housing Supported, a Holle bearing roller block or the like., Marked by an ItollGneincteHvorrichtung carried by the housing (16, 18), which is used to adjust the angle P Ia ^ e and for "locking the roller block (28,40) in the 'Angle adjustment is movable in contact with the roller block. 2. Lascäne according to claim 1, characterized in that the './angle adjustment device screwed to the, housing manually adjustable spindles or adjusting screws (66, 68) has, of which one on one side of the rotary axis of the roller block (28, 40) and the other on the other side of its axis of rotation is arranged, and that the roller block for each spindle or adjusting screw is one Has connecting curses (6 ^, £ 5). Three -part machine according to Claim 2, characterized in that at least one 3-part screw (66, 68) is assigned a display device for displaying the axial setting of the relevant adjusting screw. 009810 / 04S4 4. Machine according to one of claims 1 to 3, characterized in that that on the housing a vertical adjustment device for adjusting the roller block (28, 40) in the longitudinal direction the axis of rotation is arranged. 5. Machine according to one of claims 1 to 4, characterized in that that bai a cross-roll machine mi "c of a plurality each cross roller is assigned a setting device of cross rollers arranged one above the other in pairs is. 6. Machine according to .Anspruch 1, characterized in that the Angle adjustment device mounted in the housing (16, 18) in the manner of a rod, a plunger or a shaft or the like. has trained Sinstellorgan, which in plant can be reset against the roller block (28, 40) and against this is and engages eccentrically with respect to the axis of rotation of the roller block on the latter. 7. Llascliine according to one of claims 1 to 6, characterized in that that the stop surfaces, (64, 65) of the Sollenbock lie in a common plane running parallel to the axis of rotation of the Hollenbock. - 18 - 009810 / 045Λ 8. Lias chine according to claim δ, characterized ^ exienn, dak zv; ei in opposite directions; working "Jinatellorrane" arranged in a staggered manner on both sides of the vertical line of the Itollenbock (lo, ^ä 0) are provided. 9 ·! »Machine according to any one of claims 1 to 3, characterized in that the oxiellschrauten (öfc, 68) öav /. the renann'cen Sinstellor ^ ane rrelen ^ bev / erliche shoes (6 ^: 3 ·) met with which they got into the bogus. 1G. Iumaschine according to one of the address 1 to S, characterized in that the cylindrical, rilütels a spindle (4c, 4-9) or the like. axially adjustable rollers: boc ^: (2ö, 40) both parts of the ter-ci ^ alen I.it; ~ elecene parallel to each other and in the longitudinal direction of the üolienboCiCS connecting surfaces (64, ό?) au-i'v / eist. 009810/0454 BADORlQINAt. Emptied