SU1280069A1

SU1280069A1 - Device for double-foulding of cut edge of articles in sewing machine

Info

Publication number: SU1280069A1
Application number: SU843790256A
Authority: SU
Inventors: Лидия Александровна Слюсарева; Людмила Алексеевна Петрачкова; Лайне-Лехте Оттоевна Берченко
Original assignee: Таллинское Научно-Производственное Объединение Нетканых Материалов "Мистра"
Priority date: 1984-07-17
Filing date: 1984-07-17
Publication date: 1986-12-30

Abstract

Изобретение относитс к приспособлени м дл двойного подгиба среза издели на швейной машине и позвол ет расширить технологические возможности приспособлени . Приспособление содержит установленные на основании 1 с возможностью регулировки нижний и верхний направители и размещенный в верхнем направителе ограничитель 4 среза издели , выполненный в виде угловой пластины с пазом 7 дл размещени среза издели . 1 з.п. ф-лы, 4 ил. (Л с ьо 00 9 The invention relates to devices for double hemming of the cut of the product on a sewing machine and allows to expand the technological capabilities of the device. The fixture contains upper and lower guides mounted on the base 1, which can be adjusted and placed in the upper guide 4 of the product cut-off, made in the form of a corner plate with a groove 7 for placing the cut-off of the product. 1 hp f-ly, 4 ill. (L 006

Description

Изобретение относитс к швейному машиностроению и может быть использовано при вьшолненни технологических операций, св занных с окантовыванием тесьмой деталей швейной и обувной промьшленности.The invention relates to sewing engineering and can be used in the execution of technological operations associated with banding the details of the sewing and shoe industry.

Цель изобретени - расширение технологических возможностей.The purpose of the invention is the expansion of technological capabilities.

На фиг.1 изображен общий вид притины 9, благодар этому срез издели с резко мен ющимс радиусом кривизн обладает способностью на каждом участке образовывать первый подгиб заданной ширины, а в рабочей зоне приспособлени создаетс слабина по догнутого среза и нат жение основной детали вдоль шва, возникающее в результате расположени пластинчаспособлени дл двойного подгиба ере- той пружины 11 подогнутым срезом иFigure 1 shows the general view of the stitch 9, thanks to this, a cut of a product with a sharply varying radius of curvature has the ability to form a first bend of a given width in each section, and a slack along the bent cut and tension of the main part along the seam arising as a result of the arrangement of the plate arrangement for double bending of the second spring 11 with a bend cut and

за издели на швейной машине; на фиг.2 - верхний направитель; на фиг.З - вид А на фиг.2; на фиг.4 - схема шва.for products on the sewing machine; figure 2 - the upper guide; in FIG. 3, view A in FIG. 2; figure 4 - scheme of the seam.

Приспособление дл двойного подгиба среза издели содержит шарнирно установленные на основании 1 верхний подпружиненный направитель 2 и ниж- НИИ направитель 3, размещенный в полости верхнего направител 2 ограничитель 4 среза издели , который выполнен в виде угловой пластины, плечо 5 которой параллельно основанию 1. а другое плечо 6 образует с пле- 5 тупой угол.The device for double hem of the cut of the product contains the upper spring-loaded guide 2 and the lower Research Institute 3 hingedly mounted on the base 1 and placed in the cavity of the upper guide 2 the limiter 4 of the cut of the product, which is made in the form of an angular plate, the shoulder 5 of which is parallel to the base 1. and the other shoulder 6 forms an obtuse angle with the soft-5.

чомwhat

Плечо 6 обращено в сторону верхнего направител 2 и установлено таким образом, что его торец размещен по ходу перемещени издели перед верхним направителем 2, при этом в месте изгиба пластины 4 выполнен паз 7 дл размещени среза издели .The shoulder 6 faces the top guide 2 and is set in such a way that its end is positioned along the movement of the product in front of the top guide 2, while at the bend of the plate 4 a groove 7 is made to accommodate the cut of the product.

Верхний направитель 2 имеет отверстие 8 и градуировку вдоль нее, соответствующую ширине подгиба. Внутри направител 2 размещена пластина 9, с продольным отверстием 10 дл регулировани пластинчатой пружины II относительно иглы.The upper guide 2 has an opening 8 and a graduation along it, corresponding to the width of the fold. Inside the guide 2 there is a plate 9, with a longitudinal hole 10 for adjusting the leaf spring II relative to the needle.

Направитель 2 вместе с пластиной 2 креп тс к упору 12 винтами 13 и имеет указатель ширины подгиба 14.The guide 2, together with the plate 2, is fixed to the stop 12 by screws 13 and has a buckle width indicator 14.

Нижний направитель 3 винтами 15 крепитс -к ушку 16, имеющеес продольное отверстие 17 дает возможность мен ть положение иаправител 3, жестко соединенного с уголком 18.The lower guide 3 is fastened with screws 15 to the eye 16, the longitudinal hole 17 provided makes it possible to change the position of the guide 3 rigidly connected to the angle 18.

Верхний 2 и нижний 3 направите- ли щарнирно соединены на основании. 1 посредством заклепки 19.Upper 2 and lower 3 guides are hinged on the base. 1 by rivet 19.

Приспособление работает следующим образом.The device works as follows.

Срез издели заправл ют в нижний направитель 3 в пазе 7 и подают к пластине 9 так, чтобы срез огибал ограничитель 4, в результате возникает точечный контакт среза ткани с угловой пластиной 4 у основани пластины 9, благодар этому срез издели с резко мен ющимс радиусом кривизны обладает способностью на каждом участке образовывать первый подгиб заданной ширины, а в рабочей зоне приспособлени создаетс слабина подогнутого среза и нат жение основной детали вдоль шва, возникающее в результате расположени пластинчатой пружины 11 подогнутым срезом иThe cut of the product is filled into the lower guide 3 in the groove 7 and fed to the plate 9 so that the cut bends around the stop 4, resulting in a point contact of the cut of the fabric with the corner plate 4 at the base of the plate 9, thereby cutting the product with a dramatically changing radius of curvature has the ability to form a first bend of a given width in each section, and in the working area of the device there is a slack of a bent cut and tension of the main part along the seam resulting from the arrangement of the leaf spring 11 is bent m and cut

основной деталью. Образовывающа слабина подогнутого среза равномерно, согласно установленной ширине подгиба , распредел етс вдоль шва, благодар нат жению основной детали величина которого зависит от глубины ввода пластинчатой пружины 11 в рабочую зону машины. Регулировка глубины ввода пластинчатой пружины 11 осуществл етс винтами вдоль отверстий 8.main detail. The forming slack of the bent cut is evenly distributed according to the set width of the bend, along the seam, due to the tension of the main part, the value of which depends on the depth of insertion of the leaf spring 11 into the working area of the machine. The adjustment of the depth of insertion of the leaf spring 11 is carried out by screws along the holes 8.

Оптимальный угол между плечами 5 и 6 ограничител 4 составл ет 40 °, такой угол обеспечивает зазоры между ограничителем 4 и пластиной 9, необходимые дл прохождени поперечных соединительных швов. Оптимальный угол наклона и петлеобразна форма ограничител 4 задают срезу издели требуемое направление, что способствует качественному формированию двойного подгиба.The optimum angle between the arms 5 and 6 of the stopper 4 is 40 °; this angle provides the gaps between the stopper 4 and the plate 9 necessary for the passage of the transverse connecting seams. The optimum angle of inclination and the loop-like shape of the limiter 4 set the required direction for the product to be cut off, which contributes to the quality formation of a double hem.

Заданную ширину двойного подгиба достигают перемещени ми вдоль отверстий 8 и 7 верхнего направител относительно пластины 2, а также нижнего направител соответственно направител 2 при помощи винтов 13 и 15. Указатель 14 устанавливают согласно градуировке на направителе 2. Указа- тель 14 показывает величину ширины двойного подгиба. При окончании операции д)войного подгиба среза издели по :4амкнутому контуру вьшод т верхний направитель из шва, а оставшийс участок 5 см обрабатывают без приспособлени .The specified width of the double hem is reached by moving along the holes 8 and 7 of the upper guide relative to the plate 2, as well as the lower guide, respectively, of the guide 2 with screws 13 and 15. The pointer 14 is set according to the graduation on the guide 2. The pointer 14 shows the width of the double fold . At the end of operation e) of warping the hem of the cut of the product along: 4 a closed contour, the top of the seam is pulled out of the seam, and the remaining section of 5 cm is processed without the device.

Использование предлагаемого приспособлени позвол ет расширить его технологические возможности.The use of the proposed device allows to expand its technological capabilities.

Claims

The invention relates to sewing engineering and can be used in the execution of technological operations associated with banding the details of the sewing and shoe industry. The purpose of the invention is the expansion of technological capabilities. Figure 1 shows a general view of a device for double folding for an item on a sewing machine; figure 2 - the upper guide; in FIG. 3, view A in FIG. 2; 4 shows a seam diagram. The device for double hem of the cut of the product contains the upper spring-loaded guide 2 and lower guide 3 mounted on the base 1, the guide 3 placed in the cavity of the upper guide 2, the limiter 4 of the cut of the product, which is made in the form of a corner plate, the shoulder 5 of which is parallel to the base 1. and the other shoulder 6 forms an obtuse angle with ple5. The shoulder 6 faces the upper guide 2 and is installed in such a way that its end is positioned along the movement of the product in front of the upper guide 2, while at the bend of the plate 4 there is a groove 7 for placing the cut of the product. The upper guide 2 has an opening 8 and a graduation along it, corresponding to the width of the fold. Inside the guide 2 there is a plate 9, with a longitudinal hole 10 for adjusting the leaf spring II relative to the needle. The guide 2, together with the plate 2, is fixed to the stop 12 by screws 13 and has an index of the width of the hem 14. The lower guide 3 is fixed by screws 15 to the ear 16, the longitudinal hole 17 provided makes it possible to change the position of the guide 3 rigidly connected to the corner 18 Top 2 and the lower 3 guides are pivotally connected on the base. 1 by means of a rivet 19. The device works as follows. The cut of the product is filled into the lower guide 3 in the groove 7 and fed to the plate 9 so that the cut bends around the stop 4, resulting in a point contact of the cut of the fabric with the corner plate 4 at the base of the plate 9, thereby cutting the item with a radically changing radius curvature, has the ability at each site to form the first bend of a given width, and in the working area of the device there is a slack of the bent cut and tension of the main part along the seam resulting from the arrangement of the plate spring 11 is bent m cut and the main part. The forming slack of the bent cut is evenly distributed according to the set width of the bend, along the seam, due to the tension of the main part, the value of which depends on the depth of insertion of the leaf spring 11 into the working area of the machine. The adjustment of the depth of insertion of the leaf spring 11 is carried out by screws along the holes 8. The optimum angle between the arms 5 and 6 of the restrictor 4 is 40 °, this angle provides the gaps between the limiter 4 and the plate 9 necessary for the passage of the transverse connecting seams. The optimum angle of inclination and the loop-like shape of the limiter 4 set the required direction for the product to be cut off, which contributes to the quality formation of a double hem. The specified width of the double hem is achieved by moving along the holes 8 and 7 of the upper guide relative to the plate 2, as well as the lower guide, respectively, of the guide 2 with screws 13 and 15. The pointer 14 is set according to the graduation on the guide 2. The pointer 14 shows the width of the double fold. At the end of operation e) of warping the hem of the cut of the product along: 4 a closed contour, the top of the seam is pulled out of the seam, and the remaining section of 5 cm is processed without the device. The use of the proposed device allows to expand its technological capabilities. Claim I. Device for double hemming of the cut of the product on the sewing machine, containing upper and lower guides hinged on the base, and placed in the upper spring-loaded guide in the cavity of the cutter, characterized by the fact that, in order to expand technological capabilities, the cut-off device is designed as an angular plate, one, the shoulder of which is parallel to the base, and the other forms an obtuse angle with the first, faces toward the top guide and is set in such a way that its end situated along the upper movement of the article to the guide, at the location of bending of the plate, a groove for receiving the cut articles.

2. Device according to claim 1, characterized in that the upper and lower guides are mounted on the base with the possibility of adjusting their position.