SU801943A1 - Arrangement to cold upsetting automatic machine - Google Patents

Description

(54) DEVICE FOR A COOL-AUTOMATIC CLEANER

one

The invention relates to the processing of metals by pressure and can be used on cold-forming machines for stamping parts from blanks.

A device for a cold heading machine is known, which comprises a tubular feeder with a roller feed mechanism for billets at the loading position, as well as a gripping body with a drive for transferring the billets to landing position 1.

A disadvantage of the known device is that it cannot provide transportation to the cold heading machine and feed to the landing position of piece, pre-cut blanks, i.e. cold heading machine equipped with a known device has limited technological capabilities.

The purpose of the invention is to provide the possibility of operating a cold heading machine on piece blanks and, accordingly, expanding its technological capabilities.

This goal is achieved due to the fact that the gripping body is made in the form of two guo-sides springed together, one of which is fixed on the knife stem of the cold heading machine and has a groove oriented in the feed direction with a length equal to the movement of the knife stem, and the other. .

ha sponge is mounted on the first; with the possibility of limited movement along the feed axis and provided with a prism to hold the part.

To increase reliability

machine near to the knife stem side of the prism is shortened in height and has a lead-in chamfer. The output end of the tubular feeder is made with windows and placed between the rollers of the feed mechanism of the blanks at the load position.

FIG. 1 shows a general view of the device; in fig. 2 and 3 are sections A-A and BB in FIG. 1, respectively; on

FIG. 4 - in two projections, the movable sponge of the gripping organ.

The device to the cold-uping machine consists of the mechanism 1 orientation and loading piece blanks

2 into a tubular feeder 3 fixed to a hopper head machine 4, roller feed mechanism 5 of the workpieces 2 to the loading position of the machine, 4, gripping body 6 with a drive for

. transferring the blanks to the landing position and the stop 7 to restrict the movement of the blanks 2. Gripping organ

6 consists of two spring-loaded sponges, one of which (8) is fixed in place of the cutting knife on the knife stem 9 of the cold-heading machine and has a longitudinal groove 10 oriented along the feed axis and having a length equal to the movement of the knife stem. Another sponge 11 is mounted on a tubule 8 can be moved along the feed direction. The movement of the sponge is limited by a protrusion 12 placed in the groove of the adjustable stop 13. A prism 14 is fixed to the part on the sponge 11. The side of the prism 14 is close to the knife stem and is shortened by K (Fig. 4) and has a lead chamfer angled at an angle ai. The output end of the tubular power 3 is made with windows 15 and is placed between the rollers 16 of the feed mechanism 5 of the workpieces 2 to the loading position. Submission of blanks is carried out through the sleeve 17, installed on the site of the cutting matrix of the machine. A spring 18 is provided to prevent arbitrary movement of the blanks.

The device works as follows.

The blanks 2, filled with bulk into the bunker, are conveyed by the conveyor of mechanism 1 to the tubular pi, taper 3. From the feeder 3, the blanks 2 are pushed with rollers 16 periodically until they stop

7 between the lower shelf 19 sponge 8 and the prism 14 sponge 11. When moving no-; of the gooseneck 9 together with it moves the gripping body 6 with the workpiece 2. Not a return to the extreme right end position of the knife stock 9 sponge 11 with the projection 12 rests against the stop 13 and remains together with the prism and the workpiece at the loading position in the outset matrix 20. Sponge 8 continues for some time to the extreme right position. At this time, the punch 21 pushes the workpiece into the die 20, and the foot stem 9 returns to the left to its original position. The position of the prism 14 at the loading position coaxially with the sleeve 17 is ensured by the protrusion 12 of the jaw 8 and the abutment 13. Then the cycle repeats.

. Thus, the application of the proposed device on a standard cold head machine with a cutting knife allows it to work on piece blanks. The presence in the gripping body of a longitudinal groove 10 and a prism 14 from the side of the knife stem shortened by the value of k (determined by the maximum possible deviation of the length of the workpiece, from nominal) and with lead-in chamfer, mowed at an angle (/, excludes the device breakage in case of loading unmeasured (long or short) workpiece to the loading position.

Claims (3)

1. Device to a cold heading machine having a knife rod containing a tubular feeder with a roller mechanism for feeding workpieces to a loading position, as well as a gripping body driven to transfer workpieces to a landing position, characterized in that, in order to expand the technological capabilities of the cold heading machine, a gripping the body is made in the form of two sponges, spring-loaded among themselves, one of which is fixedly mounted on the knife stem of the cold-heading automat and is aligned with the feed direction length equal to the blade cutter stroke, and the other sponge is mounted on the first one with the possibility of displacement limited along the feed axis and equipped with a prism for holding the part. 2. The device according to claim 1, characterized in that, in order to increase the reliability of the operation of the machine, the side of the prism is close to the knife blade is shortened in height and has a lead-in facet. 3. The device according to paragraphs. 1, 2, characterized in that the output end of the tubular feeder is made with windows and is placed between the rollers of the feed mechanism to the loading position. Sources of information taken into account in the examination 1, Patent of France No. 2280458, cl. B 21 D 43/00, 04/29/74. 17 18 phi / aa  12 fi & .2 21 T g