US1623936A - Bale-tearing machine - Google Patents

Description

April 5, 1927.

F. COLLEY BALE TEARING MACHINE Filed March 51, 1925 INVENTOR Fred Colle BY M OW ATTORNEY the work.

inches thick and about fi Patented Apr. 5, 1927.,

UNITED STATES FRED COLLEY, OF AKRON, OHIO, ASSIGNOR TO THE GOODYEAR TIRE & RUBBER Cd]!!- PANY, OF AKRON, OHIO, A CORPORATION OF OHIO.

BALE-TEARING MACHINE,

Application filed March 31, 1925.v Serial No. 19,748.

My invention pertains to rubber manufacture and it is particularly related to the manipulation of crude baled rubber.

One object of my invention is to provide a machine for separating baled rubber into sections of such size as to facilitate manipulation of the rubber on an ordinary mill.

Another object of my invention is to provide a machine which will minimize the manual labor heretofore required, as well as to eliminate the disagreeable character of Baled crude rubber, as received from plantations is made up of a plurality of sheets, each being approximately twelve inches wide, from twenty-four to thirty inches long and less than a quarter of an inch thick. Several such sheets are superposed to form what may be called a book. This unit is approximatelfy two and one-half teen inches square. A plurality of books, in turn, are compressed to form a bale, which contains approximately 24.0 pounds of rubber.

It is commonly known that plastic materials ma be made integral with each other under t e action of premure and heat.

This phenomenon is present in the handling of raw rubber and is met only at considerable expense, since a bale must be separated into book form before the rubber can be utilized in any manufacturing process. In the past this separation has been accomlished manually. The work is not only disagreeable but strenuous, especially in cases where the bale has aged, thereby cans-' in adjacent elements to unite in forming a su tantially inseparable .union. At best, it is only with considerable exertion-that one is able to manipulate these large masses of rubber in order to dislodge the subordinate units. To overcome this undesirable task, I have provided a machine which will clamp 21. bale in position and disengage the individual units.

In the accompanying drawings:

Fig. 1 is a side view of a machine embodyin my invention and ig. 2'is an end view thereof. Referring to Fig. 1, it will be apparent that the clamping means and the disengaging device are separate units which, however, operate in conjunction to effect a common purpose. The clamping device consists of a frame haying two horizontally disposed base members 3, to each of which are joined vertical standards 4, which are held in position by braces 5 and cross members 6. The base members are maintained in parallel relationship by means of angle irons 7, which also serve as supports for other angle irons 8, parallel to and above the base members 3. Irons 8 journal a plurality of rolls 9 which are adapted to convey bales of rubber to a final position, indicated by broken lines at 10.

In the position indicated, the bales rest on a" plurality of sharpened prongs 12, vertically disposed upon supplementary chan nel irons 13, which are rigidly connected to the frame by a cover platel l and bolts 15. The bale is made secure in the device by additional prongs 18, formed integrally with a clamping member 17, which is adapted for reciprocating movement between guides 19. The member 17 is linked to a connecting rod 20 that is actuated by a piston in a cylinder 22. A pivotal joint 23 allows for horizontal play of member 17 on its guides without disturbing the actuating mechanism.

may be admitted through the pipe 27, thus forcing the piston downward and at the same time allowing the fluid below the cylinder to exhaust through the pipe 26.

The disengaging means is suspended from an overhead support 30 and comprises a cylinder 31 provided with a control valve 32, which is similar to the valve 24. A rod 33 connects a piston within the c linder to a chain 34 carrying a hook 35. y forcing the valve handle downward, as indicated by the arrow, a fluid under pressure, preferably air. is admitted to the base of the cylinder which causes the rod and chain to move upwardly. Upon releasing the valve handle a spring- 36 actuates the valve to reverse t e direction of flow of the air and the piston drops to its original position.

The operation of the machine will be apparent fromthe foregoing description. A. bale of rubber to be separated into its sub under the clamping member 17, which is v initially in raised position. Air is then admitted to the cylinder 22 by operation of the valve 2- effecting a downward movement of "the piston contained in the cylinder to (ause "engagement of the member 17 with the bale of rubber. Thereafter, the hook is lowered to a suitable position by operation of the valve 32, and the hook is then engaged with a portion of the bale. Thereupon the valve 32 is again operated in a reverse direction to effect an up ward movement of the hook 35, whereby a portion of the rubber engaged by the hook is separated from the main body portion of the bale. The operation of lowering and raising the hook is repeated the requisite number of times to separate the bale into the number ofunits desired. The clamping member 17 is then raised from engagement withthe bale by suitable operation of the valve 24 to direct air into the lower partof the cylinder 22 through the conduit 26.

It will be realized that by practicing my invention, the bales may be reduced with a minimum of manual labor. Moreover, the Work is no longer disagreeable, inasmuch as no heavy units need be handled.

Although I have described and illustrated but a single embodiment of my invention, it will be apparent to anyone skilled in the art that it is not so limited and may be subjected to wide variations Without departing from the spirit and scope thereof. I desire, therefore, that only such limitations shall be imposed as are consistent with the appended claims.

What I claim is:

1. A machine for tearing bales which comprises a frame provided With means for conveying a bale to an Operable position, and means for engaging a portion thereof while separating its composite units.

2. A. machine for tearing bales of rubber which comprises a frame provided with a means of approach,a pneumatically controlled means for clamping the bale and means for separating its composite units.

3. A rubber bale tearing machine comprising a frame, fluid-controlled means for curing a bale of rubber mounted therein and fluid-controlled means for disengaging the units of the rubber bale.

4. A bale tearing machine including means for disengaging the units of a bale, means adapted to convey the bale to a clamping device, said device comprising a pressure fluid mechanism adapted tocompress the bale between irregular surfaces.

5. A bale tearing machine comprising a frame provided with a clamping device, a suitable conveyor and manually controlled means adapted to detach single leaves comprising a hook joined to a reciprocating mechanism.

6. A bale separatin machine comprising a. frame, a pneumatica 1y operated clamping, member mounted for reciprocating movement in the frame, a plurality of rolls forming an approach to the clamping member and a hook juxtaposedv to theclamping memher and flexibly connected to a pneumatically operated piston.

In Witness whereof, I have hereunto signed my name.

FRED COLLEY.

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