SU578142A1

SU578142A1 - Die set for cutting articles off strip with severing of strip end

Info

Publication number: SU578142A1
Application number: SU7602375637A
Authority: SU
Inventors: Виктор Иванович Елистратов; Василий Андронович Сандовенко
Original assignee: Ордена Трудового Красного Знамени Институт Сверхтвердых Материалов Ан Украинской Сср
Priority date: 1976-06-21
Filing date: 1976-06-21
Publication date: 1977-10-30

Description

На фиг. 1 изображен штамп дл изготовлени деталей в продольном разрезе; на фиг. 2 - вид сверху на нижнюю часть штампа; на фиг. 3 - разрез по Б-Б на фиг. 1.FIG. 1 shows a stamp for the manufacture of parts in longitudinal section; in fig. 2 is a top view of the lower part of the stamp; in fig. 3 is a section along BB in FIG. one.

Штамп содержит верхнюю плиту 1, на которой крепитс пуансон 2 и верхний нож 3, нижнюю плиту 4 с размеш,енными на ней матрицей 5, нижним ножом 6, съемником 7, упором 8, посто нным упором 9. Дл направлени полосы при отрезке ее переднего неровного конпа имеютс направл юш,ие планки 10, а дл направлени полосы при вырубке детали - направл юпхие планки И.The stamp comprises an upper plate 1, on which a punch 2 and an upper knife 3 are fastened, a lower plate 4 with a matrix 5, a lower knife 6, a stripper 7, an emphasis 8, a fixed stop 9 fixed to it. To guide the strip when cutting off its front Uneven kopa has directional ys, no strips 10, and for guiding the strip when cutting a part, the direction of ihpus is I.

Дл предохранени полосы от смещени при отрезке переднего конца и вырубке детали предусмотрены прнжимы 12 и 13. Нижний нож 6 и посто нный П-образный упор 9 жестко закреплены в съемнике, а верхний иож 3 закреплен на верхней плите, причем его длина меньше, чем длина пуансона на величину, равную сумме толщины съемника и направл ющих планок (рассто ни между рабочей новерхностью съемника и матрицей). В результате этого зона отрезки переднего неровного конца полосы смен1,ена по высоте на величину высоты съемника 7 и направл ющих плапок П.To prevent the strip from slipping when cutting the front end and cutting the part, clamps 12 and 13 are provided. The bottom knife 6 and the fixed U-shaped stop 9 are rigidly fixed in the puller, and the upper knife 3 is fixed on the top plate, and its length is less than the length punch by an amount equal to the sum of the thickness of the puller and guide rails (the distance between the working surface of the puller and the die). As a result of this zone, the segments of the front uneven end of the shift band 1, ene in height by the height of the puller 7 and the guide plates P.

В матрице 5, съемнике 7 и нижней плите 4 выполнены расположенные одно под другим и верхним ножом 3 провальные отверсти 14-16.In the matrix 5, the puller 7 and the bottom plate 4, 3 dip holes 14-16 are placed one below the other and the upper knife.

Штамп работает следующим образом.The stamp works as follows.

Полоса 17 подаетс до посто нного упора 9, и концевой отход 18, отрезаемый ножами при ходе ползуна пресса вннз, проваливаетс в отверстие. Затем полоса вынимаетс из направл ющнх 10 и подаетс по направл ющимThe strip 17 is fed up to the fixed stop 9, and the end waste 18, which is cut off with knives during the course of the slider of the PRN press, falls into the opening. The strip is then taken out of the guides 10 and fed along the guides.

11 до упора 8, происходит вырубка детали, и деталь проваливаетс также в отверстие.11 until it stops 8, the part is cut down, and the part also falls into the hole.

Claims

1. A stamp for the manufacture of parts from a strip with a segment of its non-intermediate end, containing at least one punch and one

a die, in particular cutting, secured respectively in the upper and lower plates of the stamp, as well as an emphasis for the front end of the strip and a stripper strip from a punch, characterized in that, in order to form the desired configuration during edge cutting, depending on the configuration of the parts being cut , it is equipped with a pair of interacting knives, located in front of the punch from the nodachi side of the strip, one of

they are fixed on the top plate, and the other - in the puller from the side of its non-working surface.

2. A stamp according to claim 1, characterized in that holes, one under the other and under the knife fixed on the top plate, and forming a failed hole to remove the front end of the strip, are made in the puller, die and the bottom plate.

3. A stamp according to claim 1, characterized in that the abutment for the front end of the strip is made constant and is U-shaped.

4. A stamp according to claim 1, characterized in that the knife fixed in the top plate is made shorter than the punch by an amount equal to

the sum of the thickness of the puller and the distance between the working surface of the puller and the mat.

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