US2950934A - Knockout axle assembly - Google Patents

Knockout axle assembly Download PDF

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Publication number
US2950934A
US2950934A US675679A US67567957A US2950934A US 2950934 A US2950934 A US 2950934A US 675679 A US675679 A US 675679A US 67567957 A US67567957 A US 67567957A US 2950934 A US2950934 A US 2950934A
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US
United States
Prior art keywords
axle
rolls
roll
bevel
knockout
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US675679A
Inventor
Uebing Heinrich
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Friedrich Kocks GmbH and Co
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Friedrich Kocks GmbH and Co
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Publication date
Application filed by Friedrich Kocks GmbH and Co filed Critical Friedrich Kocks GmbH and Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/03—Sleeved rolls
    • B21B27/035—Rolls for bars, rods, rounds, tubes, wire or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/08—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process
    • B21B13/10—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane
    • B21B13/103—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with differently-directed roll axes, e.g. for the so-called "universal" rolling process all axes being arranged in one plane for rolling bars, rods or wire
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B17/00—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling
    • B21B17/14—Tube-rolling by rollers of which the axes are arranged essentially perpendicular to the axis of the work, e.g. "axial" tube-rolling without mandrel, e.g. stretch-reducing mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/06—Drives for metal-rolling mills, e.g. hydraulic drives for non-continuously-operating mills or for single stands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C13/00—Rolls, drums, discs, or the like; Bearings or mountings therefor
    • F16C13/02—Bearings
    • F16C13/04—Bearings with only partial enclosure of the member to be borne; Bearings with local support at two or more points
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/1966—Intersecting axes
    • Y10T74/19665—Bevel gear type

Definitions

  • Dismantling of the rolls of such stands is considerably simplified by the arrangement, in accordance with the invention, wherein the bevel gear wheels mounted on the axles have hubs carried in one of the bearings and the bevel wheels and the rolls are clamped together by means connected to the axles so that the drive is transmitted from the bevel wheels to the rolls, the axles being removable axially from within the hubs, rolls and bearings when the means are released from the axles. Because the bevel gear wheels are clamped to the rolls on the axles, and have hubs carried in the bearings the formation of the pass is considerably simplified and it is possible to exchange the rolls without moving the bevel gear wheels from their positions in the bearings of the axle.
  • the rolls are mounted on conical seatings on the axles and the thrust between each bevel wheel and the corresponding roll is transmitted through a ring which is detachably fixed to the hub of the bevel Wheel and which bears against the roll and the means for clamping each bevel wheel and roll together includes a spring interposed between an end cap on the axle and the bevel wheel. region where the rolls are mounted ensures a satisfactory connection between the axles and the rolls at all times, because of the wedge action produced.
  • the rings may also bear against the end faces of the bearings
  • the conical seatings on the axles in the in which the hubs are carried and so prevent axial displacement of the bevel gear wheels and rolls and the springs constantly press the bevel gear wheels against the rolls.
  • Fig. 1 is a diagrammatic front elevation of the assembly of the rolls and the driving shaft
  • Fig. 2 is a longitudinal sectional detail of one of the rolls shown in Fig. 1 with its driving bevel gear, axle and bearings;
  • Fig. 3 is a diagrammatic front elevation of a modified assembly of the rolls and the driving shaft in which the rolls are carried on conical seatings on the axles;
  • Fig. 4 is a view similar to that of Fig. 2 but of one of the rolls shown in Fig. 3.
  • a motor which is not shown, of the rolling mill, drives a shaft 1 situated above the axis of a pass K.
  • Fig. 2 the roll 5 mounted on its axle 13 is shown together with the bevel gear wheel 8 which is also mounted on the axle 13.
  • the arrangement of the rolls 4 and 6 is similar.
  • the roll 5 can be exchanged without dismantling the bearings 11, 12 or the bevel wheel 8 by loosening a bolt 17 which has a flange 19 at some distance from the end 18 of its thread and which clamps a cap 22 against the bevel wheel-8.
  • the flange 19 bears against a ring piece 20 with a shoulder 21 which is screwed into a recess in the axle 13.
  • the axle 13 is thus firmly connected to the end cap 22 by means of the bolt 17, 18 and the end-cap 22 is clamped against the wheel 8 and the roll 5 is clamped between the wheel 8 and a collar 18' on the axle 13.
  • a hub 23 of the bevel gear wheel 8 is carried in the bearing 11 of the axle 13 and bears against the side of the roll 5.
  • the axle 13 has a cone-shaped seating 24 on which the roller 5 is mounted.
  • a cup spring 26 is disposed between an end cap 25 and an internal shoulder on the bevel wheel 8. This spring presses the bevel wheel 8 towards the roll 5 and causes a detachable intermediate ring 27, which is screwed onto the hub 23 of the bevel wheel 8, to be clamped against the side of the roll 5.
  • suflicient clearance is provided between the side of the roll 5 and the end of the hub 23 to ensure that the roll 5 is pressed fully onto the conical seating 24 to prevent axial displacement of the roll 5 on the axle 13.
  • An axle assembly comprising in combination a knockout axle, a collar on one end of said axle, an inwardly threaded open recess at the other end of said axle, a central longitudinal bore extending through said axle into said recess, a member removably mounted on said axle adjacent said collar, a bevel gear having a hub portion rigidly mounted on said other end of said axle and adjacent said member, a hollow, externally threaded ring piece received in threaded engagement with said recess and having an inwardly directed shoulder, a bolt extending through said bore and said recess, and provided at its threaded end with a flange which bears against said shoulder, an end cap in threaded engagement with said bolt, and adapted to bear against said bevel. gear, whereby by removing said bolt, said knockout axle and the member may be withdrawn while the gear remains in place.

Description

1960 H. UEBING 2,950,934
KNOCKOUT AXLE ASSEMBLY Filed Aug. 1, 1957 2 Sheets-Sheet l Aug. 30, 1960 H. UEBING 2,950,934
KNOCKOUT AXLE ASSEMBLY Filed Aug. 1, 1957 2 Sheets-Sheet 2 ilnited States Patent i KNOCKOUT AXLE ASSEMBLY Heinrich Uebing, Lintorf, Bez. Dusseldorf, Germany, assignor to Friedrich Kocks G.m.b.H., Dusseldrof, Germany Filed Aug. 1, 1957, Ser. No. 675,679
Claims priority, application Germany Aug. 6, 1956 2 Claims. (Cl. 287-53) In some stands for universal rolling mills, for example tube reducing rolling mills, with passes formed by two or more rolls, all the rolls are driven from a single driving shaft through bevel gear wheels. The rolls are fixed to axles on which they are supported by being forced against shoulders on the axles and both ends of the axles are carried in bearings one on each side of the roll. Dismantling of these rolls is very complicated; it can, in practice, only be done by removing the bevel wheels and dismantling the bearings also.
Dismantling of the rolls of such stands is considerably simplified by the arrangement, in accordance with the invention, wherein the bevel gear wheels mounted on the axles have hubs carried in one of the bearings and the bevel wheels and the rolls are clamped together by means connected to the axles so that the drive is transmitted from the bevel wheels to the rolls, the axles being removable axially from within the hubs, rolls and bearings when the means are released from the axles. Because the bevel gear wheels are clamped to the rolls on the axles, and have hubs carried in the bearings the formation of the pass is considerably simplified and it is possible to exchange the rolls without moving the bevel gear wheels from their positions in the bearings of the axle.
Preferably the rolls are mounted on conical seatings on the axles and the thrust between each bevel wheel and the corresponding roll is transmitted through a ring which is detachably fixed to the hub of the bevel Wheel and which bears against the roll and the means for clamping each bevel wheel and roll together includes a spring interposed between an end cap on the axle and the bevel wheel. region where the rolls are mounted ensures a satisfactory connection between the axles and the rolls at all times, because of the wedge action produced. The rings may also bear against the end faces of the bearings The conical seatings on the axles in the in which the hubs are carried and so prevent axial displacement of the bevel gear wheels and rolls and the springs constantly press the bevel gear wheels against the rolls.
Two examples of stands constructed in accordance with the invention each having three rolls are illustrated in the accompanying drawings in which:
Fig. 1 is a diagrammatic front elevation of the assembly of the rolls and the driving shaft;
Fig. 2 is a longitudinal sectional detail of one of the rolls shown in Fig. 1 with its driving bevel gear, axle and bearings;
Fig. 3 is a diagrammatic front elevation of a modified assembly of the rolls and the driving shaft in which the rolls are carried on conical seatings on the axles; and
Fig. 4 is a view similar to that of Fig. 2 but of one of the rolls shown in Fig. 3.
Referring to the examples shown in both Fig. 1 and Fig. 3, a motor, which is not shown, of the rolling mill, drives a shaft 1 situated above the axis of a pass K.
2,950,934 Patented Aug. 30, 1960 ice The shaft 1 is mounted in bearings 2 and 3, and in turn drives a roll 4 carried on it. Rolls 5 and 6 are driven through pairs of bevel wheels 7,8 and 9,10 respectively, which are mounted respectively on an axle 13 carried in bearings 11 and 12, and on an axle 16 carried in bearings 1'4 and 15. The rolls 4, 5 and 6 are arranged at degrees to each other and together form the pass K.
In Fig. 2 the roll 5 mounted on its axle 13 is shown together with the bevel gear wheel 8 which is also mounted on the axle 13. The arrangement of the rolls 4 and 6 is similar.
The roll 5 can be exchanged without dismantling the bearings 11, 12 or the bevel wheel 8 by loosening a bolt 17 which has a flange 19 at some distance from the end 18 of its thread and which clamps a cap 22 against the bevel wheel-8. The flange 19 bears against a ring piece 20 with a shoulder 21 which is screwed into a recess in the axle 13. The axle 13 is thus firmly connected to the end cap 22 by means of the bolt 17, 18 and the end-cap 22 is clamped against the wheel 8 and the roll 5 is clamped between the wheel 8 and a collar 18' on the axle 13. A hub 23 of the bevel gear wheel 8 is carried in the bearing 11 of the axle 13 and bears against the side of the roll 5.
When the bolt 17 has been removed the axle 13 can be withdrawn axially downwards and the roll 5 removed. The bevel gear wheel 8 remains in place.
-In the modification shown in Fig. 3 and Fig. 4, the axle 13 has a cone-shaped seating 24 on which the roller 5 is mounted. A cup spring 26 is disposed between an end cap 25 and an internal shoulder on the bevel wheel 8. This spring presses the bevel wheel 8 towards the roll 5 and causes a detachable intermediate ring 27, which is screwed onto the hub 23 of the bevel wheel 8, to be clamped against the side of the roll 5. means of a recess in the intermediate ring 27, suflicient clearance is provided between the side of the roll 5 and the end of the hub 23 to ensure that the roll 5 is pressed fully onto the conical seating 24 to prevent axial displacement of the roll 5 on the axle 13. With the arrangement shown in Figs. 3 and 4, the roll 5 can be removed in a similar manner to that used with the arrangement shown in Figs. 1 and 2.
I claim:
1. An axle assembly comprising in combination a knockout axle, a collar on one end of said axle, an inwardly threaded open recess at the other end of said axle, a central longitudinal bore extending through said axle into said recess, a member removably mounted on said axle adjacent said collar, a bevel gear having a hub portion rigidly mounted on said other end of said axle and adjacent said member, a hollow, externally threaded ring piece received in threaded engagement with said recess and having an inwardly directed shoulder, a bolt extending through said bore and said recess, and provided at its threaded end with a flange which bears against said shoulder, an end cap in threaded engagement with said bolt, and adapted to bear against said bevel. gear, whereby by removing said bolt, said knockout axle and the member may be withdrawn while the gear remains in place.
2. In an axle assembly according to claim 1, a conical seat on the axle supporting the member, a ring detachable fixed to the hub of the bevel gear in contact with the member and adapted to transmit thrust between said bevel gear and said member, and a spring interposed between the said end cap on the said axle and the said bevel gear adapted to clamp the bevel gear and member together.
(References on following page) References Cited in the file of this patent UNITED STATES PATENTS Tuckwood Sept. 11, 1888 Solem Mar; 18, 1913 Masury June 22. 1915 Dronsfield Aug. 1, 1916 Gierding Jan. 2, 1917 Foster June 28, 1921 Muller June 21, 1932 10 ,789, 50
Kuhns Jan. 3, 1933 Fitzgerald et a1. Aug. 22, 1933 Long Aug. 25, 1936 Inslee Oct. 5, 1937 McLaughlin Oct. 25, 1938 Taylor Feb. 13, 1940 Stuart June 22, 1943 Bannister Nov. 13, 1951 Friedman Apr. 7, 1953 'Properzl Apr. 23, 1957
US675679A 1956-08-06 1957-08-01 Knockout axle assembly Expired - Lifetime US2950934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEK29539A DE1032204B (en) 1956-08-06 1956-08-06 Scaffolding for universal, e.g. B. tube reducing, fine iron and wire rod mills

Publications (1)

Publication Number Publication Date
US2950934A true US2950934A (en) 1960-08-30

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US675679A Expired - Lifetime US2950934A (en) 1956-08-06 1957-08-01 Knockout axle assembly

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US (1) US2950934A (en)
CH (1) CH352984A (en)
DE (1) DE1032204B (en)
GB (1) GB805690A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3226987A (en) * 1963-10-29 1966-01-04 Gen Electric Gear assembly
US3230796A (en) * 1962-11-26 1966-01-25 Chester R Thomson Overdrive transmission
US4021900A (en) * 1975-01-17 1977-05-10 British Steel Corporation Mill roll mounting
US4244204A (en) * 1977-11-16 1981-01-13 Vydrin Vladimir N Mill stand
CN102328121A (en) * 2011-09-20 2012-01-25 浙江宝时德钢管有限公司 Special processing method and device of roller of hot rolling machine
US9662694B2 (en) 2011-06-22 2017-05-30 Ashley Dean Olsson Post-forming method and apparatus
CN106944476A (en) * 2017-03-30 2017-07-14 重庆泓美仪表有限责任公司 A kind of compact subtracts sizing apparatus

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3801628A1 (en) * 1988-01-21 1989-07-27 Kieserling & Albrecht RIM PROFILING SYSTEM
DE10362365B3 (en) * 2002-09-30 2017-06-01 Kocks Technik Gmbh & Co. Kg Roll stand for rolling rod or tubular material
US7191629B1 (en) 2006-04-13 2007-03-20 Morgan Construction Company Modular rolling mill
CN102716909B (en) * 2012-06-15 2015-08-26 福州金泉冶金机械设备有限公司 Many rolls star space type changable composite formula milling train and principle

Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US389342A (en) * 1888-09-11 Balance-gearing for windmills
US1056466A (en) * 1912-03-29 1913-03-18 Fay J A & Egan Co Cutter-head-securing means.
US1143720A (en) * 1914-01-02 1915-06-22 Int Motor Co Securing device for gears.
US1193246A (en) * 1916-08-01 dronsfield
US1210458A (en) * 1914-03-02 1917-01-02 Ohio Brass Co Power-transmission mechanism.
US1382827A (en) * 1920-01-17 1921-06-28 Foster George Edward Rolling-mill
US1864090A (en) * 1930-06-25 1932-06-21 Schloemann Ag Drive mechanism for the rolls of rolling mills
US1893290A (en) * 1929-10-05 1933-01-03 Farrel Birmingham Co Inc Rolling mill
US1923360A (en) * 1931-02-12 1933-08-22 Fitzgerald Edward Roll drive
US2052356A (en) * 1933-07-03 1936-08-25 Lubrication Corp Assembly machine
US2094920A (en) * 1934-05-25 1937-10-05 Babcock & Wilcox Tube Company Rolling mill
US2134526A (en) * 1936-05-13 1938-10-25 Buffalo Bolt Company Metalworking apparatus and method
US2190371A (en) * 1938-03-01 1940-02-13 Aetna Standard Eng Co Shaft mounting for rolls or the like
US2322402A (en) * 1942-08-05 1943-06-22 Wellman Co Locking mechanism
US2574773A (en) * 1945-08-21 1951-11-13 Nat Tube Co Roll mounting
US2634144A (en) * 1950-06-15 1953-04-07 Nat Machinery Co Means for securing rolls to shafts
US2789450A (en) * 1953-02-05 1957-04-23 Properzi Ilario Rolling mill

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE632255C (en) * 1933-06-13 1936-07-04 Fried Krupp Grusonwerk Akt Ges Duo rolling mill with overhung rolls and support rolls

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US389342A (en) * 1888-09-11 Balance-gearing for windmills
US1193246A (en) * 1916-08-01 dronsfield
US1056466A (en) * 1912-03-29 1913-03-18 Fay J A & Egan Co Cutter-head-securing means.
US1143720A (en) * 1914-01-02 1915-06-22 Int Motor Co Securing device for gears.
US1210458A (en) * 1914-03-02 1917-01-02 Ohio Brass Co Power-transmission mechanism.
US1382827A (en) * 1920-01-17 1921-06-28 Foster George Edward Rolling-mill
US1893290A (en) * 1929-10-05 1933-01-03 Farrel Birmingham Co Inc Rolling mill
US1864090A (en) * 1930-06-25 1932-06-21 Schloemann Ag Drive mechanism for the rolls of rolling mills
US1923360A (en) * 1931-02-12 1933-08-22 Fitzgerald Edward Roll drive
US2052356A (en) * 1933-07-03 1936-08-25 Lubrication Corp Assembly machine
US2094920A (en) * 1934-05-25 1937-10-05 Babcock & Wilcox Tube Company Rolling mill
US2134526A (en) * 1936-05-13 1938-10-25 Buffalo Bolt Company Metalworking apparatus and method
US2190371A (en) * 1938-03-01 1940-02-13 Aetna Standard Eng Co Shaft mounting for rolls or the like
US2322402A (en) * 1942-08-05 1943-06-22 Wellman Co Locking mechanism
US2574773A (en) * 1945-08-21 1951-11-13 Nat Tube Co Roll mounting
US2634144A (en) * 1950-06-15 1953-04-07 Nat Machinery Co Means for securing rolls to shafts
US2789450A (en) * 1953-02-05 1957-04-23 Properzi Ilario Rolling mill

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3230796A (en) * 1962-11-26 1966-01-25 Chester R Thomson Overdrive transmission
US3226987A (en) * 1963-10-29 1966-01-04 Gen Electric Gear assembly
US4021900A (en) * 1975-01-17 1977-05-10 British Steel Corporation Mill roll mounting
US4244204A (en) * 1977-11-16 1981-01-13 Vydrin Vladimir N Mill stand
US9662694B2 (en) 2011-06-22 2017-05-30 Ashley Dean Olsson Post-forming method and apparatus
CN102328121A (en) * 2011-09-20 2012-01-25 浙江宝时德钢管有限公司 Special processing method and device of roller of hot rolling machine
CN102328121B (en) * 2011-09-20 2014-05-14 浙江宝时德钢管有限公司 Special processing method and device of roller of hot rolling machine
CN106944476A (en) * 2017-03-30 2017-07-14 重庆泓美仪表有限责任公司 A kind of compact subtracts sizing apparatus

Also Published As

Publication number Publication date
GB805690A (en) 1958-12-10
DE1032204B (en) 1958-06-19
CH352984A (en) 1961-03-31

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