US1106478A - Hotbed. - Google Patents

Description

E. E. SLICK.

HOTBED.

APPLICATION FILED JAN. 2a, 1903.

1,106,478. Patented. Au 11, 19m

3 SHEETS-SHEET 1. Wu:

WITNESSES INVENTOR E. E. SLICK.

HOTBED.

APPLICATION IILED JAN. 28, 190B.

Patented Aug. 11, L914,

3 SHEETS-SHEET 2.

WITNESSES B. E. SLICK.

HOTBED.

APPLICATION FILED JAR. 28,1908.

Patented Aug. 11, 1914" 3 SHBET8-8HEBT 3.

INVENTOR WITNESSES HOTBED.

me ias.

Specification of Letters Patent.

Patented Au 111, ram.

Application filed January 28, 1908. Serial No. 413,045.

Taall whom it may concern Be it known that I, EDWIN E. SLICK, of Pittsburgh, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvement in Hotbeds, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings,-forming part of this specification, in which Figure 1 is a top plan View showing a double hot bed constructed in accordance with my invention; Fig. 2 is a sectional end elevation of the same on the line 2*2 of Fig. 1; Fig. 3 is a longitudinal section on a larger scale of one of the helical or spiral screws or worms, forming part of this i11 vention; Fig. 4 is an end view of thescrew shown in Fig. 3; Fig. 5 is a sectional side elevation on a larger scale showing a portion of the turning mechanism by which the rotating skids or supports forming the hot bed are rotated.

My invention relates to storage beds and similar apparatus employed in rolling mills in handling metal bars and similar materials, and it more particularly relates to hot beds having means for transferring such materials transversely of their length across the width of the hot bed; i

pleted to a cold state in which they can-,if

desired be handled by hand.

Another object of the invention is to provide improved mechanism for actuating the apparatus employed in carrying the bars across the width of the hot bed and to provide improved means by which the bars are moved on to the hot bed from the rollers of the delivery table and on to the rollers of the receivin table from the rotary supports or ski s, forming the hot bed.

A further objectof the invention is to pro vide improved means for keeping the bars in positionon the rollers of the delivery table while being fed forwardly on these rollers to a point opposite the hot bed, and means for retaining and collectin the bars as they are successively removed tom the hot bed, and for depositing the collected bars on the rollers ofthe receiving table.

In the drawings, 2, 2, represents the rollers of the delivery tables on which the materials are carried from the reducing rolls of a rolling mill or other point of supply to a point alongside of the hot bed from which they are automatically transferred to the hot bed.

The'rollers 2 are mounted on the oppositeoverhanging ends of suitable shafts rotawhich extends between the sheave wheels 6' and 7. which are located at oppositeends of the hot bed. The sheave wheel 6 is driven by any suitable type of motor, not shown,

and the wheel 7 is adjustably mounted so as to regulate the tension on the driving rope 5.

Extending on opposite sides of'the tables formed by the rollers 2 are the hot beds which are formed of a series of rotating skids 8,- having means thereon for pushing the materials lengthwise of the skids. The ends of these skids are journaled in suitable bearings 9, and on their outer ends arev spur pinions 10, which meshwith and are rotated by spur gears 11, which are rota-V.

tably mounted on stub shafts 12. Each of the spur gear wheels 11 is provided with ratchet teeth 13, and on each of the shafts 12 is a rocking arm 14. One end of the arm 14 is provided with a pawl 15, which ongages with the ratchet teeth 13 on the wheels 11, the opposite end of the arms 14 being connected together by means of links 15', and means for adjusting the length of these links is provided by the sleeve nuts 16.

One end of the link 15 is connected to a crank 17 on the slow-down gearing 18,

which is connected with the rotary motor 19.

On the outer side of each hot bed formed by the rotating skids 8 are receiving tables formed by the rollers 20, these rollers being driven through bevel gears 21, 22, and line shafts 23, which shafts are connected through slow-down gearing 24 with tabledriving motors 25.

The rotating skids 8, forming the hot bed,

a are provided on their ends with inclined wings 26 and 27, these wings being'ar ranged to lift a bar from the rollers 2 and 1 cause to slide into engagement with the root of the threads formed on the skids '8 at each revolution of the skids. The receiving ends of the skids 8 are provided with spaced apart encircling guide collars 8 which some as side guards to guide the metal barsior shapes as they are delivered lengthwise on the rollers 2, the Wings 26 on this endiof the skids 8 being below the plane of the top of the bed formed by the skids except when elevating the bars in, transferring them sidewise from the rollers 2 to the skids 8, The outer ends of the skids are also provided with inclined supports 28, upon which each bar slides when lifted by the wings 27. "'T he lower outer ends of the sup orts 28 have rocking arms 29, provided at suitable intervals in the length of the hot bed, these arms serving as stops to retain and collect'the bars on the supports 28, until such time as it is desired to have these bars discharged upon the rollers 20, forming the receiving table. The lower ends of the arms 29 are connected together by means of links 30, these lin rs being connected to the cranks 31 on the slowdown gearing 32, connecting the links with the operating. motors 33 In theoperation of my improved apparatus, the bars or other materials are delivered ,endwise on the rollers 2 froma point of supply, until they are opposite the hot bed formed by the revolving skids 8. As thebars are carried forward on the q rollers 2, they come into engagement with the stop 35 and are brought to rest in position to be removed from the rollers 2 on to the skids 8. The skids 8 are intermittently rotated by the motors 19, through the connecting ratchet mechanism,'and 'as the wings 26 on the skids 8 approach a vertical position, the bars are successively lifted from the rollers 2 and slide down the inclined edges of the wings 26 on tov the skids 8. As the skidsrotate, the bars are then fed forwardly across the length of the skids, and upon reaching the ends of the skids. come into engagement with' the inclined edges of the wings 27. When these wings approach a vertical position, the bars are again lifted and slide forwardly on to the supports 28, the bars preferably being. held at, this point by the stops 29. although these stops may be omitted, if desired.

front of the hot bed. Provision for momen-- tarily holding the wings 28 and 27 in their vertically upright position is made by means of the springs 36 which press against thesquare sides 37 on the hubs of the wheels 11, asis best shown in Fig. 5.-

Theadvantage's of my invention will be apparent to those skilled in the art. There are no lifting parts, necessitating the lifting of all of the bars on thetables on the hot bed, in moving them forwardly across the width of the hot bed.,. As the bars are moved gradually across the width of the hot bed by the intermittent rotation of the skids'or supports on which these bars are carried, they will be moved forwardly endwise at the same time. This gives constantly changing points of contact on the bars and prevents the formation of black spots at the points of contact as is the case where the bars do not move lengthwise, while being transferred across the width of the hotbed.

The apparatus is simple and is easily kept in-repair. Modifications in the construction and arrangement of the parts may be made without departing from my invention as de- The angle of'the thread of the rotating skids or screws may be changed as is desired.

I claim:

1. A hot bed comprising in combination,

a series of lengthwise parallel rotary bar supporting and transferring members,- said members having screw threads thereon, and means for rotating said members, sa d means havlng spur p1n1ons on the supportmg and transferring members, spur gear 'wheels' meshing with the pinions, ratchet wheels for turning the spur gear wheels, a series of rocking arms having pawls engaging the ratchet wheels and means for rocking the arms to thereby actuatethe supporting 'members in transferring bars across the width .of the hotbed; substantially as described.

2. A hot bed comprising in combination,

a series of lengthwise parallel rotary screw threaded bar supporting members, the screw threads engaging with and moving bars on the supporting members from one end to the other of said members, and means for ber s, gears meshing with the pinious and connecting the supporting members in pairs,

ratchetsand pawls for turning said gears and means for intermittently actuating the ratchets and pawls to rotate the supporting members; substantially as described.

3. In a hot bed for metal bars, a bar supporting and transferring member having a helical thread thereon, and having guide collars at one of its end portions, and means for rotating said member.

collars at one of its end portions, a lifting wing extending between the collars and to the adjacent end portion of the thread and arranged to lift and transfer the bars side- -wise when the supporting member is rotated, and means for rotating said member. 5. A hot bed comprising in combination,

=' a series of lengthwise parallel rotary screw threaded bar supporting members, said screw threads engaging with and moving bars on the supporting members from one end to the other thereof and means for rotating said members in unison, said means including gearing connecting the supporting members in pairs, a ratchet and pawl operatively connected to the gearing, swinging arms on which the pawls are mounted, a rod connecting the arms and means for operating the rodto intermittently actuate the arms to turn the supporting members; substantially as described.

In testimony whereof, I have hereunto set my hand.

EDWIN E. SLICK.

Witnesses:

R. D. LITTLE, H. M. CORWIN.

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