SU721183A1

SU721183A1 - Combination-type trimming die

Info

Publication number: SU721183A1
Application number: SU772528705A
Authority: SU
Inventors: Владимир Александрович Объедков
Original assignee: Запорожский Проектно-Конструкторский И Технологический Институт
Priority date: 1977-10-05
Filing date: 1977-10-05
Publication date: 1980-03-15

Description

Изобретение относится к обработке металлов давлением, а именно к штампам для прошивки отверстий и обрезки отходов с противоположным направлением усилия резания.The invention relates to the processing of metals by pressure, namely, dies for flashing holes and scrap waste with the opposite direction of the cutting force.

Известен обрезной комбинированный штамп, содержащий верхнюю плиту с верхней обрезной матрицей и концентрично установленные в ней верхний пуансон и прошив ник, а также нижнюю плиту со _1Qсмонтированными в ней нижней матрицей с пазами и пуансоном с осевой полостью W ·Known edged combined stamp containing the upper plate with the upper edging matrix and concentrically installed in it the upper punch and piercer, as well as the lower plate with _1Q mounted in the lower matrix with grooves and punch with an axial cavity W ·

Недостатком известного штампа является невозможность одновременной об- _1Sрезки деталей с несколькими фланцами за один рабочий ход, что отрицательно влияет на производительность его работы.The disadvantage of this is the inability to stamp _1S by simultaneous cutting of parts with multiple flanges in one operation, which adversely affects the performance of his work.

Цель изобретения - повышение произ- водительности путем обеспечения возмож- д, ности обрезки деталей с несколькими фланцами за один рабочий ход.The purpose of the invention is to increase productivity by providing the possibility of trimming parts with multiple flanges in one working stroke.

Это достигается тем, что предлагаемый штамп снабжен смонтированным в осевой полости ’ нижнего пуансона штоком, верхний торец которого контактирует с противником, а на нижнем выполнен' бурт с клиновыми поверхностями, а также установленными в дополнительных пазах, выполненных на нижней матрице, подпружиненными ползунками с клиновыми поверхностями, взаимодействующими с клиновыми поверхностями бурта штока.This is achieved by the fact that the proposed stamp is equipped with a rod mounted in the axial cavity of the “lower punch”, the upper end of which is in contact with the enemy, and on the lower end there is a shoulder with wedge surfaces, as well as spring-loaded sliders with wedges installed in additional grooves made on the lower matrix surfaces interacting with the wedge surfaces of the stem collar.

На фиг. 1 показан предлагаемый штамп в исходном положении, разрез, вид сбоку; фиг. 2 - то же, вид сверху; на фиг.In FIG. 1 shows the proposed stamp in the initial position, section, side view; FIG. 2 - the same, top view; in FIG.

- штамп в, промежуточном положении при обрезке первого фланца, разрез; фиг.- a stamp in an intermediate position when trimming the first flange, a cut; FIG.

- штамп в промежуточном положении в момент освобождения ползушками пуансона, разрез; фиг. 5 - штамп в конечном положении, разрез.- a stamp in an intermediate position at the time of release of the punch by the creepers, cut; FIG. 5 - stamp in the final position, section.

Штамп состоит из верхней плиты 1, на которой на державке 2 неподвижно закреплена матрица 3. Внутри матрицыThe stamp consists of the top plate 1, on which the matrix 3 is fixedly mounted on the holder 2. Inside the matrix

3, с возможностью возвратно-поступательного перемещения установлен пуансон 4, совмещенный с прижимом и съем— ником заготовок. На державке 2 неподвижно, закреплен противник 5 и установлена возвратная пружина 6 пуансона 4. Нижняя плита 7 снабжена неподвижно закреплённой матрицей 8, внутри которой ₅с возможностью возвратно-поступательного перемещения установлен пуансон 9, Пуансон 9 своей нижней частью опирается на ползушки 10, установленные внутри матрицы 8 с возможностью воз- 10 вратно-поступательного перемещения и взаимодействующие одним концом с возвратными пружинами 11, а вторым, выполненным в виде клиновой поверхности, с аналогичной поверхностью штока 12, 15 установленного с возможностьювозвратно-поступательного перемещения внутри пуансона 9, Шток 12 взаимодействует с противником 5 и поджимается буртом к пуансону 9 с помощью пружины 13. . 203, with the possibility of reciprocating movement, a punch 4 is installed, combined with the clamp and the stripper of the workpieces. The holder 2 is stationary, the opponent 5 is fixed and the return spring 6 of the punch 4 is installed. The lower plate 7 is equipped with a fixed matrix 8, inside which _{5 the} punch 9 is mounted with the possibility of reciprocating movement, the punch 9 rests on its lower part on the sliders 10 installed inside matrix 8 with the possibility of reciprocating movement and interacting with one end with return springs 11, and the second, made in the form of a wedge surface, with a similar surface of the rod 12, 15 set connected with the possibility of reciprocating movement inside the punch 9, the Rod 12 interacts with the enemy 5 and is pressed with a shoulder to the punch 9 using the spring 13.. 20

Работает штамп следующим образом. Заготовку, подлежащую прошивке от- вррстия и двойной обрезке с противоположным направлением действия резания, укладывают на рабочую часть пуансона 9. 25 . При опускании плиты 1 вниз под действием ползуна пресса пуансон 4, совмещенный с прижимом, прижимает, заготовку к пуансону 9, и матрица 3, продолжая движение вниз, обрезает первый,.. 30 дальний от нее отход, а противник 5 прошивает отверстие и затем, воздействуя через шток 12 на ползушки 10, раздвигает: их в стороны и сжимает пружины 11 и 13. При дальнейшем движении матрицы 35 вниз происходит сжатие пружины 6 пуансоном 4 до тех пор, пока пуансон 4 не коснется державки 2, после чего пуансон начинает Двигаться совместно с мат- . рицей 3 и державкой 2, а шток 12 разд- ⁴⁰винетползушки 10 настолько, что они освободят пуансон 9, который пой действием давления пуансона 4 также начнет двигаться вниз, сжимая пружину 13. При этом произойдет обрезка второго, даль- ⁴⁵него от неподвижной матрицы 8 отхода.The stamp works as follows. The workpiece to be flashed and double-cut with the opposite direction of the cutting action is placed on the working part of the punch 9. 25. When the plate 1 is lowered under the action of the press slider, the punch 4, combined with the clamp, presses the workpiece against the punch 9, and the matrix 3, continuing to move down, cuts off the first, .. 30 farthest from it, and the opponent 5 flushes the hole and then, acting through the rod 12 on the sprockets 10, spreads: they are sideways and compresses the springs 11 and 13. With a further movement of the matrix 35 downward, the spring 6 is compressed by the punch 4 until the punch 4 touches the holder 2, after which the punch starts to move together with the mat. ritsey 3 and the tool holder 2, and the rod 12 razd- ⁴⁰ vinetpolzushki 10 so that they release the punch 9 which punch pressure sing action 4 also starts to move downwards, compressing the spring 13. When this happens the second trimming, has long-range ⁴⁵ from the fixed matrix 8 waste.

При движении плиты 1 вверх пуансоны . 9 и '4, совмещенные с выталкивателями, и шток 12 с помощью пружин 13 и 6 выталкивают заготовку из матрицы 8 и 3, а ползушки 10 с помощью пружин 11 возвращаются в исходное положение.When the plate 1 moves up the punches. 9 and 4, combined with the ejectors, and the rod 12 with the help of springs 13 and 6 push the workpiece out of the matrix 8 and 3, and the spiders 10 with the help of the springs 11 return to their original position.

Заготовка обрезана, штамп приведен в исходное положение. После снятий заготовки цикл повторяется.The blank is cut, the stamp is restored to its original position. After removing the workpiece, the cycle repeats.

Предлагаемый штамп позволит производить комплексную обработку деталей, имеющих отверстие и двухфланцевую поверхность с отходами на обеих фланцах за один рабочий ход, что способствует повышению производительности работы.The proposed stamp will allow for complex processing of parts having a hole and a two-flange surface with waste on both flanges in one working stroke, which helps to increase productivity.

Claims

The invention relates to the working of metals by pressure, namely to dies for piercing holes and cutting waste with the opposite direction of cutting force. .:. Known cut combined stamp containing the top plate with the top cut matrix and concentrically installed in it the upper punch and the enemy, as well as the lower plate mounted in it the lower matr1, schoy with grooves and a punch with an axial cavity G. The disadvantage of the known stamp is the impossibility of simultaneous trimming of parts with several flags in one working stroke, which negatively affects the productivity of its work. The purpose of the invention is to increase productivity by providing the possibility of trimming parts with several flanges in one stroke. This is achieved by the fact that the proposed stamp provided c OIitipovapuym in the axial cavity of the lower puakona rod, BepjtHUE end which contacts the pooshivnakom and the bottom vypolien shoulder wedge surfaces and ustanovlengymi In additional x grooves formed on the bottom matr1zde, podpruzkinennymi sliders with wedge surfaces interacting with wedge surfaces of the stem collar. FIG. 1 shows the proposed stamp in the initial position, cut, side view; Fig 2 - The same, top view} in FIG. 3- stamp in, intermediate position when trimming the first flange, cut; FIG. 4- stamp in between; The position is at the time of release by the slider punch, the cut; FIG. 5 - a stamp in the final position, a cut; The stamp consists of the upper plate 1, on which the die 3 is fixed on the holder 2 fixed. 3; matrix 3, with the possibility of returning the 1515 enactment of movement, the punch 4 is combined, combined with the - (pressing and fixing of blanks. On the holder 2 is fixed, the opponent 5 is fixed and the return spring 6 of the punch 4 is mounted a clamped die 8, inside which a punch 9 is mounted with the possibility of reciprocating movement, the punch 9 with its lower part rests on the 1O sliders mounted inside the matrix 8 with the possibility of reciprocating movement and interacting one end with return springs 11, and the second, wedged in the form of a wedge surface, with a similar surface of the rod 12, installed with the possibility of reciprocating movement inside tiyaHCOHa 9. The rod 12 interacts with the enemy 5 and is given a spring to the punch 9 by means of a spring: DSC. The stamp works as follows: The workpiece to be cut and double cut with the opposite direction of the cutting action is placed on the working part of the punch 9. Pyskusnni plit 1 down under the action of the press slide punch 4, combined with the clamp, presses the workpiece against the punch 9, against the matrix 3, while downward, cuts the first one. distant from it, and the enemy 5 sews a hole and then, through the rod 12, moves on the sliders 10, moves it apart; The springs 1 and 13 compress them sideways. As the die 3 moves further downwards, compression of pins 4 with punch 4 takes place until punch 4 touches holder 2, punch 4 pushes 4 Move together with mat 3 and pillar 2, and rod 12 divides in dry 10 so that they release the punch 9, which, by the action of pressure of the punch 4, will also begin to move downward, compressing the spring 13. This will cut off the second, distant from the fixed matrix 8, waste. when the plate 1 moves upward, the punches 9 and 4, which are aligned with the ejector, and the rod 12, with the help of springs 13 and 6, push the workpiece out of the matrix 8 and 3, and the sliders 10, with the help of springs 11, return to their original position. The workpiece is cut, the stamp is brought to its original position. After removal of the workpiece, the cycle is repeated. The proposed stamp will allow the complex processing of parts having an opening and a two-flange surface with waste on both flanges in one working stroke, which contributes to an increase in the productivity of the work. Claims An edged combined stamp comprising an upper plate with an upper trim matrix and concentric, but an upper punch and a piercer installed therein, as well as a lower plate with lower grooves mounted therein and a punch with an axial cavity, characterized by that, in order to increase productivity by allowing parts with several flanges to be trimmed in one working stroke, it is equipped with a spring-loaded rod mounted in the axial cavity, the upper end of which is It contacts with the firmware, and on the bottom there is a collar with wedge surfaces, as well as installed in additional grooves made on the lower matrix, spring-loaded sliders with wedge surfaces interacting with the wedge surfaces of the stem collar. Sources of information taken into account in the examination of 1, Atroshenko A.P., etc. Progressive technology of stamping on hammers and presses.Mashinostroenie, 1964, p. 144, FIG. 67.