US1108358A - Mold-wiper. - Google Patents

Description

Wi'i'ned (as I $75 QM,

P. GODDARD.

MOLD WIPER.

APPLICATION mum DEG. 14, 1912.

Patented Aug. 25, 1914 2 SHEETS-4313:2211 1.

E. F. GODDARD.

MOLD WIPEB. I APPLIOATIOH FILED 11mm, 1912.

Patented Aug. 25, 1914.

2 amms-amm 2 Jami 712 0;." W i W 47M WtJ MQ 7( c". M I

and is held away UNITED sTATEs PATEN onni EDWARD F. GODDARD. 0F STRATFORD, CONNECTICUT.

OF NEW YORK. N. Y., A CORPORATION OF NEW JERSEY.

POSITOR COMPANY,

ASSIGNOR 'lO ELECTRIC COM- MOLD-WIPER.

Specification of Letters Patent.

Patented tun. 235., llllld.

Application filed December 14, 1912. Serial No. 786,720.

To all "10/1 om. it 711 (1 0011mm Be it known that l, llnwann F. (ha-aunt). a citizen of the l nited States, residingat Htratford, in the county of Fail-field and State of Connecticut. have invented a ccrtain new and useful improvement in Mold ll'ipers, of which the following is a full, clear, and exact description.

This invention an improvement in the kind of line casting machines wherein the mold travels baclv'ward and forward between the casting and ejecting positions. l t is essential that the mold should be properly cleaned from anyparticles of metal such as small shavings from the trimming knives,

etc. when it comes into the casting position between the assembled line of matrices and the pot nozzle.

This invention relates to the which the front face of the mold oti before it is presented to the matrix line.-

The invention includes a spring actuated wiper plate which will be forced by the spring against the front face of the mold, while the mold is passing from the ejecting to the casting position, means whereby this wiper plate is forced forward out of con tact with the mold before the mold begins its movement toward the ejecting position from the mold until the mold has reached said ejecting position, and means whereby it is released and allowed to move into contact with the mold before the mold begins its movement toward the casting position. It is obviously necessary that Whenthe mold is moving from the casting to the ejecting position. that the wiper plate shall not contact with the face of the mold, because there is then a slug in the mold slot, and the characters on this slug project slightly in front of the front face of the mold, whereby they would be either sheared off or mutilated by the wiper plate, if the same were in contact with the mold at the same time that the slug is in it.

In the drawing Figure l is a front view of a mold carrying parts of the invention. Fig. 2 is a plan View of the mold, and a sectional plan of an adjacent part of the fixed frame of the machine and the movable mold Wiper mounted therein. Fig. 3 is a vertical sectional end View of said frame member and an end view of the adjacent means by 1s wiped assembled mold; and Fig. l is a rear View of said frame member and wiper mechanism.

heferring to the parts by reference characters, A represents a wiper plate which is supported from a part l of the main frame of the machine and located in such a position that the mold Ill will pass it as it travels to the right to the casting position, and to the left to the ejecting position. This wiper plate is a bar preferably made of brass: and it is secured so as to stand in a substantially vertical position, to the rear end of a forwardly projecting plunger B, which is movable endwiso in a horizontal direction toward and from the mold in the. frame member F. It is moved toward and into contact with the mold when permitted to so move by a spring G. It is moved in the opposite direction by a cam plate I), which. is tired to the front face of the mold near the left end thereof-which is adjacent to the ejectii'ig mechanism. This cam plate is so placed upon the mold that just before the mold reaches casting position, 2'. r. its extreme position to the right,-the cam plate will engage the front edge of the wiper plate and move it and the plunger forward against the force of spring C.

Associated with the wiper plate and mounted on the fixed member l is a latch E which slides Wrtically and is under con stant influence to move it upward in the latching position of a spring e. ()n the lower edge of the wiper plate is a shoulder (L which, when the wiper plate is pushed forward, passes in front of the latch. whereupon the latch actuated by its s iiring moves upward behind said shoulder and holds the wiper plate in that forward position in which it cannot touch the front face of the mold. It remains in this forward position until the mold has reached or nearly reached the ejecting position. l t must remain in this position until the slug in the mold has passed the wiper plate. Then. at some time there after. and preferably just as the mold reaches the ejecting position. a pin ll secured to the front face of the mold and projecting forward therefrom near the right end of the mold which is adjacent to the casting mechanism, will engage the upper inclined surface 6 of a rearwardly projecting shelf e which is rigid with the latch. whereby the latch is drawn downward. 'llhis releases the Wiper the withdrawn position in which it is held by the latch.

Haring described my invention, 1 elaimL i. In a line casting machine, the combination of a mold which is movable back and forth between the casting and ejecting positions, a fixed frame member adjacent to and in front of the path of said mold, a mold wiper which is movably mounted in said frame member and is movable forward and backward therein, a spring acting on said wiper to more it rearward into contact with the front face of the mold, a latch adapted to automatically engage said wiper when the latter is moved forward and to hold it. against rearward movement, means carried by the mold and secured thereto near that end thereof which is adjacent to the ejecting position adapted to engage with said wiper and to push it forward, and means secured to the mold near that end thereof which is adjacent to the casting position for engaging the latch and withdrawing it from engagement with the wiper.

a spring acting on the wiper to n'iove it rearward into contact With the face of the mold,

a spring actuated latch mounted on said frame member and adapted to be pressed.

upward by its spring into engagement with the latching shoulder on the wiper, a rearwardl projecting shelf fixed to said latch and having an inclined upper surface, a cam plate fixed to the front face of the mold near that end thereof whieh is adjacent to the ejecting position, which eani plate isadapted to engage the edge of the wiper and push it for -ard, and a pin which projects forward from the front face of the mold near that end thereof which is adjacent to the casting position and which is adapted to engage the inclined surface carried by the latch, whereby the latter is moved out. of engagement with the wiper.

In testimony whereof, I hereunto atiiX my signature in the presence of two witnesses.

EDW'ARI) l GODDARD. \Vitnesses DAVID PE'L'R1PAL1\1E1)O, F. l. STILLMAN.

Images