DE546304C - Peening machine with pressure bodies moved by a hand lever - Google Patents

Description

GERMAN EMPIRE

ISSUED ON MARCH 11, 1932

REICH PATENT OFFICE

PATENT LETTERING

CLASS 45c GROUP

Hans Jobst in Regensburg

Peening machines with an automatic feed device for the scythe blade are known. Compared to the known machines of this type, in which the feed of the scythe blade is caused by an interlocking of many machine parts, has the feed device according to the invention the benefit of extreme simplicity.

According to this, on a machine with pressure hulls, the horizontal direction on the vertical to be inserted scythe blade acting pressure body in a vertically displaceable Frame mounted by the hand lever shaft mounted eccentrically on the machine frame will be carried. By arranging inclined surfaces at both ends of the shaft with corresponding inclined surfaces cooperate on the machine frame, a transverse displacement occurs when the hand lever is moved of the frame brought about by the upward movement of the hand lever in connection with the pressure hulls as a feed acts on the scythe blade.

With regard to the fact that the scythe edge must not be damaged in the process, the mouth opening is designed so that its incisions do not converge at an acute angle, but run out in a hole that is larger than the space at the narrowest Location of the incision.

The subject of the invention is shown schematically in the drawing. Show it:

Fig. Ι a side view of the peening machine with the hand lever moved upwards,

Fig. 2 the mouth opening in side view,

Fig. 3 is a front view of the partially sectioned Pounding machine with hand lever moved upwards,

Fig. 4 is a side view of the peening machine with the hand lever moved downwards,

Fig. 5 is a plan view of the peening machine and

Fig. 6 to 9 the inclined surfaces on the hand lever shaft or on the machine frame.

In the frame α , two pressure bodies c , which are mounted on rollers or balls and act in the horizontal direction on the scythe blade J, are attached, which are moved by the hand lever d by a toggle linkage. The eccentrics f, which are rotatably mounted at both ends on the machine frame ρ and are firmly connected to the hand lever shaft e , result in a downward or upward movement of the shaft e when the hand lever d is pushed up or down. The frame α is loosely mounted on the hand lifting shaft e and thus makes the same movement; it is given by the bolt h located on the machine frame in the area of the pressure surfaces as a result of the vertical cutouts g

a guide in the vertical direction. By touching the inclined S surfaces i, k attached to the eccentrics f and on the shaft e and thus following the movement of the hand lever d with the inclined surfaces η, ο on the machine frame, a transverse displacement occurs with every upward or downward movement of the hand lever d all with the inclined surfaces i, k in functional connection ίο standing parts. On the frame ρ two acutely-angled incisions, which form the mouth and are opposite on the same plane, are attached to receive the scythe blade. The latter are designed in such a way that the surfaces forming the acute angle are not closed, but open into a bore immediately before converging. The space that separates the two surfaces before they converge is only so large that the scythe blade protrudes through with the cutting edge. The latter then does not rest on any hard object and can therefore not be injured even with the greatest pressure on the back of the scythe.

The described machine works as follows:

The scythe blade j is inserted into the mouth opening with the cutting edge down. When the hand lever d is moved down, the frame α is now lifted upwards by the shaft e which is firmly connected to the eccentrics f and is in operative connection with the hand lever d. The scythe lying in the frame incisions r.

detected by the pressure bodies c going upwards with the frame σ , lifted out of the gesture incisions r with simultaneous pressing of the cutting edge and displaced transversely by touching the inclined surfaces i, η. Blank during the upward movement of the hand lever d, the α with the frame back down-going pressure body c now \ ^r erschobene Sense s are r in the frame notches, detach from the Sense and suffer with the frame α due to contact of the inclined surfaces K, again ο a transverse displacement , but in the opposite direction to that when the hand lever was moved downwards.

Claims (2)

Patent claims: i. Peening machine with pressure bodies, which are moved by a hand lever connected to their arms like a toggle lever, characterized in that the pressure body (c) acting in an approximately horizontal direction on the scythe blade (s) inserted in the vertically downwardly directed mouth opening in a frame (a) are mounted, which is guided vertically by a bolt (h ) sitting on the machine frame (p) in cutouts (g ) in the area of the pressure surfaces and on the hand lever shaft (e), which with eccentrics (/) rotatably mounted on both ends on the machine frame (p) is firmly connected, is mounted, and that at both ends of the shaft (e) inclined surfaces (i, k) are provided which cooperate with corresponding inclined surfaces (n, o) sitting on the machine frame (p) ", so that during the downward movement of the hand lever (d) the frame (a) with the pressure bodies) (c) lifted, the scythe blade (s) being lifted out of the notches (r) of the machine frame (P) and removed from the pressure bodies rpern (c) is gripped for the purpose of pressing, while when the hand lever (d) is moved upwards while at the same time being released from the pressure bodies (c), the scythe blade (s) is given a feed by transverse displacement. 2. peening machine according to claim 1, characterized in that the acute-angled incisions (r) of the mouth in the frame (p) for receiving the scythe edge run out into a bore (t) whose diameter is greater than the distance at the narrowest point of the incision (r). 1 sheet of drawings