KR970073787A - Method and apparatus for automatic manufacture of puzzle-locked compression rings - Google Patents

Abstract

The flat band material is fed from the supply site 10 to the stamping site 40, and the blank is punched out with mechanical connections with male and female features 400 and 420 at opposite ends, the blank being blanked at the first position. A method and machine for manufacturing a compression ring fed to a deformation machine (50) which is preformed into a shape allowing the closure of the mechanical connection and is moved into several axial positions of the machine where the blank is also deformed into a circular shape at the second position. to provide. Preferably, the deformed and closed compression ring is then swung in the third position before exiting the machine.

Description

Method and apparatus for automatic manufacture of puzzle-locked compression rings

As this is a public information case, the full text was not included.

1a and 2b show schematics of one preferred embodiment of a machine according to the invention.

Claims (35)

A method for automatically manufacturing a compression ring in a plurality of continuous positions from a flat blank of band material having mechanical connecting means mutually coupled to a free end region, the position of which coincides with the number of consecutive positions of the machine at the deformation site. Providing a cored member (51) having several axially spaced outer surfaces, and supplying a blank blank into a position coincident with a first position among a plurality of continuous positions in the machine, By moving each of the plurality of sliding members 52, 53, 60, 61, 70 suitable for reciprocating between the retracted and elongated positions in a predetermined order from the retracted position to the elongated position during operation of the cycle, the second position For the purpose of preliminarily deforming the flat blank in the first position into a ring shape that facilitates closing of the mechanical connecting means by one of the sliding members. Deforming the blank with respect to the cored member in a number of operating cycles corresponding to the number of consecutive positions into the closed compression ring to retract the slide member into the axial position, and the predeformed blank in the first position And axially moving to a second position. 3. The third position according to claim 1, wherein the compression ring is axially moved from the second position to the third position, and the compression ring 111d already in the third position is discharged by the movement of the compression ring from the second position to the third position. And swaging the predetermined region (410, 411, 412) of the mechanical connecting means (400, 420). 3. A method according to claim 2, wherein the swaging action in the predetermined area of the connecting portion formed by the closed connecting means is performed at the third position by small material movement in the area of the transversely extending contact surface of the connecting means. The method according to claim 1 or 2, further comprising maintaining the blank in a predetermined position with respect to the cored member for the entire operating cycle by applying a holding pressure on the blank in an area opposite the connecting means. Way. 5. A method according to claim 4, wherein a small holding pressure is applied during the operating period of the axial feed of the blank and becomes high pressure during the deformation period by the sliding member. The method according to claim 1 or 2, wherein during a given cycle, at least one lower slide member 52 is first moved toward the cored member, and the at least one lower slide member is almost reached at the extended position and then the two side surfaces. One of the slide members 60 is moved towards the cored member, the other side slide member 61 is moved towards the cored member before the one side slide member reaches the extended position, and two side slides At least one upper sliding member (70) is moved towards the cored member after the member has reached the extended position. 7. A method according to claim 6, wherein the one side slide member (60) has only a short guide over the other side slide member (61) in movement towards the extended position. 7. A method according to claim 1 or 6, wherein the pre-sliding member (52, 53, 60, 61, 70) shrinks almost simultaneously and all supply of the blank occurs after sufficient shrinkage of the sliding member. 3. A flat band material according to claim 1 or 2, wherein the mechanical connecting means (400, 420) are stamped at the stamping place (40) from the flat band material, and the flat band material is sent to the stamping place to strike the connecting means during the stop of intermittent supply. Intermittently supplying a method. 10. The method of claim 9, further comprising the step of intermittently moving the continuous blank from the stamping site (40) to the deformation site (50) by partially recombining the mechanical connecting means of the continuous band piece cut by a stamping operation. Way. 11. The method of claim 10, further comprising the step of disconnecting the partially recombined connecting means when the blank arrives at the deformation site 50 prior to feeding into the first position. 12. The method of claim 10, further comprising the step of continuously feeding 12, 13 of the flat band material from the supply material 11 of the band material to the intermittent supply device, and the length of the band material supplied by the intermittent and continuous supply during the cycle operation. Correcting the feed rate of the continuous feed to the speed of the intermittent feed so that is approximately equal. A method for manufacturing a compression ring, the method comprising the steps of: supplying a flat band material to a stamping place (40), casting the mechanical connecting means (400, 420) between successive pieces of band material, and stamping place (40). Moving a continuous piece of band material from the deformed site 50 to a deformed site 50 having several positions, and feeding the blank to a first position in the deformed site transversely relative to the initial position in the deformed site. And preforming the blank in the first position to a shape close to the final compression ring shape having the free end of the blank, the mechanical connecting means being preformed to enable closure of the mechanical connection in the second position. Feeding the blank from the first position to the second position, wherein each part of the mechanical connection in the free end has a complete Deforming the pre-deformed compression ring in the second position, supplying a closed compression ring from the second position into the third position so that it overlaps precisely for the purpose, and the mechanical connection in the third position increases the holding capacity of the compression ring. Swaging to cause material movement within a predetermined area of the mechanical connection, and ejecting the finished compression ring. The method of claim 13, wherein the blank is conveyed by a definite action from the arrival position of the deformation site to the first position in the deformation site, and the pre-deformed blank is conveyed by a definite action from the first position to the second position, The blank is conveyed by a definite action from the second position to the third position and the finished compression ring is ejected from the third position by the movement of the compression ring from the second position to the third position. The method of claim 13, wherein the band material is intermittently supplied to the stamping place, the band material is continuously supplied from the supply device of the band material to the intermittent supply device, and the supply rates of the intermittent supply and the continuous supply are supplied one by one A method in which the length of the band material is corrected to be equal during a predetermined cycle of operation determined by a stationary intermittent supply. 14. The punching end of the continuous band material initially separated by the punching operation is partially rejoined to be more movable to the deformation site, whereby the portion when the guide piece of the band reaches the arrival position within the deformation site. How recombination is separated The method according to claim 13, wherein each operating step in the first, second and third positions of the deformation site is executed simultaneously. Apparatus for the automatic manufacture of compression rings from flat blanks with mechanical connecting means 400, 410 mutually engageable at their free ends, in the deformation site 50, several continuous in the axial direction transverse to the longitudinal axis of the blank. Core-shaped means (51) having several outer side means coinciding with the position, and a number of band engaging end surfaces 58, 59, 68, 69, at the number of free ends coinciding with the number of positions on the core means. A plurality of slide members 52, 53, 60, 61, 70 for deformation of the blank, each having 73, and actuating means 56, 57, 66 for actuating the slide members in a predetermined order during an operating cycle. 67, 72, and first supply means 80a, 80b, 80c for supplying a flat blank in the axial direction to a first position corresponding to a second position on the core means on which the blank is preformed; and After the connecting means are closed, the blank An apparatus comprising second supply means (81a, 81b, 81c, 81d) for supplying a predetermined blank in the axial direction from a first position to a second position corresponding to a second position on the core means that is deformed into a final shape . 19. The apparatus of claim 18, wherein the continuous position of the outer surface means on the core means has an axial length that matches the width of the blank. 20. The apparatus of claim 19, wherein the sliding member is operable to deform the blank from below, side and above. 20. The method according to claim 18 or 19, wherein the outer surface means of the core-shaped means in the first position preforms the free end of the blank so as to conform to the shape required to enable closure of the mechanical connecting means in the second position. Shaped device. 22. The apparatus according to claim 21, wherein the outer surface means of the cored means in the first position are of a size that is slightly elliptical in size where the free ends of the blank do not overlap. 22. The apparatus according to claim 21, wherein the outer side means of the cored means in the first position comprise finger protruding means (190a, 190b) to assist in realizing a predeformed ellipse. 22. The method according to claim 21, wherein the outer surface means of the core-shaped means in the second position are generally circular, and the mechanical connecting means are in the second position by movement of the sliding member 270 downward from the top. And finger-type protruding means (291) to cause an initial overlap of the free end of the blank comprising mechanical connecting means during the initial deformation in the second position until closed by further deformation. 20. Two slide members (52, 53) are provided so as to be operable towards the core means in a generally upward direction, and two different slide members (60, 61) are provided in the opposite direction to each other. A device provided to move toward, and wherein the downwardly functional sliding member (70) is operable towards the core means in a generally downward direction. 20. The apparatus according to claim 18 or 19, further comprising support means (503, 504, 510, 511) which are deformed and moved in several positions in contact with the blank from below to maintain the blank at the same position as the blank on the core member. Device. 20. A stamping site (40) according to claim 18 or 19, with a band material supply site (10, 11), a stamping site (40) for launching complementary mechanical connecting means and forming a blank, and from said supply site to said stamping site. And continuous supply means (12, 13) for continuously supplying non-intermittent band material to a point along the path of and intermittent supply means (30) for supplying a blank from said point to said stamping site. 28. The device of claim 27, further comprising control means (18, 18a, 24a, 28a) for correcting the speed of the continuous supply means to the speed of the intermittent supply means, wherein the rail (11) of the band material is driven at the supply site. (12, 13) suitable for releasing the band material from the rail and operable to adjust the speed of the driven rail by the control means (18). 29. The stamping site 40 according to claim 27, wherein the stamping site 40 is supplied with the blank from the stamping site to the deformation site by the intermittent feeding device after the two adjacent blanks are initially completely cut and do not contact each other. By means of partial recombination as possible, comprising stamping die means 45 having matrix means and stamping die punch means 41 for each end of two adjacent blanks to project complementary mechanical connecting means; And wherein the blank, which is partially recombined, is again separated by the separating means prior to the transverse movement by the first supply means. 30. An apparatus according to claim 29, wherein said first complete separation and subsequent partial recombination are realized by punch means for the guide of the complementary puzzle lock connection means and spring support means of the matrix means for the subordinates. 20. The blank according to claim 18 or 19, wherein the compression ring is closed and deformed to a third position that coincides with a third position on the core-like means which is swung in a predetermined area of the connection portion formed in the mechanical connection means. And feeding means (82a, 82b, 82c, 82d) for feeding and means for discharging the finished compression ring from the third position. 20. The device according to claim 18 or 19, wherein the first supply means comprises rod-like members (80a, 80b, 80c) operable in an axial direction for contacting a flat blank, wherein the second supply means is in a first position. Other rod-like members 81a, 81b, 81c, 81d operable in axial direction to contact the pre-deformed blank in the rod, and the other feed means being rod-like to contact the deformed blank in the second position. An element (82a, 82b, 82c, 82d) while said discharge means is formed by the movement of the blank from a second position to a third position. 20. The apparatus according to claim 18 or 19, wherein the supply means is applied to the contraction of the slide member at least close to the completion of the operating cycle involving the back and forth movement of the slide member, and during normal operation, the blank is present in each of several positions and Wherein each sliding member is in contact with one of the blanks by the contact surface means of each sliding member. 20. A mechanical device according to claim 18 or 19, wherein the end face means corresponding to the third position on one of the sliding members 274 and the outer face means corresponding to the third position on the cored means 377 are closed. Apparatus having less material moving serrated means (376, 378) to carry out a swaging operation in a predetermined area of the connecting portion formed by the connecting means in the third position. 20. The device according to claim 18 or 19, wherein each sliding member is composed of a plurality of axially arranged portions having their own end face means fixedly connected to each other so as to move simultaneously during each cycle of operation. A device consisting of a plurality of axes arranged with connected and self outer side means. ※ Note: The disclosure is based on the initial application.