SU714119A2

SU714119A2 - Photomaterial web sprayer

Info

Publication number: SU714119A2
Application number: SU772531706A
Authority: SU
Inventors: Вера Артемьевна Гребенникова; Юрий Витальевич Крупицкий
Original assignee: Предприятие П/Я Р-6947
Priority date: 1977-10-18
Filing date: 1977-10-18
Publication date: 1980-02-05

Description

Изобретение относится к технике фотохимической обработки и сушки рулонных фотоматериалов.The invention relates to techniques for photochemical processing and drying of roll photographic materials.

Из основного авторского свидетельства № 613180 (заявка №2158640/24-5 06) известна сушилка для рулонных фотоматериалов, содержащая корпус с тепловентиляционным оборудованием, роликовый механизм транспортирования и петлеобразования материала, и 10 систему чередующихся подвижных й неподвижных воздухораспределительных коробов со щелевыми соплами и поворотными подпружиненными заслонками, каждая из которых кинематически 15 связана при помощи рычага и подвижного контакта с направляющей копировальной линейкой [1].From the main copyright certificate No. 613180 (application No. 2158640 / 24-5 06), a dryer for roll photographic materials is known, comprising a housing with heat ventilation equipment, a roller mechanism for transporting and looping the material, and 10 a system of alternating movable fixed stationary air distribution boxes with slotted nozzles and rotary spring-loaded shutters, each of which kinematically 15 is connected by means of a lever and movable contact with the guide copy ruler [1].

Недостатком известной сушилки является отсутствие подачи сушиль- 20 ного агента в рабочий^ объем корпуса в подготовительный период, что увеличивает продолжительности последнего и снижает производительность.A disadvantage of the known dryer is the lack of supply of a drying agent to the working volume of the housing during the preparatory period, which increases the duration of the latter and reduces productivity.

Настоящее изобретение является 25 дальнейшим усовершенствованием известного и имеет своей целью повышение производительности.The present invention is 25 a further improvement of the known and aims to increase productivity.

Это достигается .тем, что полость корпуса, в которой размещено тепло- 30 вентиляционное оборудование, соединена с рабочим объемом корпуса через окно, которое расположено в зоне подвижных воздухораспределительных коробов и снабжено подпружиненной шторкой, установленной с возможностью взаимодействия с‘подвижными коробами.This is achieved by the fact that the cavity of the case in which the heat-ventilating equipment is placed is connected to the working volume of the case through a window that is located in the area of the movable air distribution boxes and is equipped with a spring-loaded shutter that can interact with the movable boxes.

На фиг. 1 изображена схема описываемой сушилки (вертикальный разрез)> на фиг. 2 - разрез А-А на фиг. 1.In FIG. 1 shows a diagram of the described dryer (vertical section)> in FIG. 2 is a section AA in FIG. 1.

Сушилка для рулонных фотоматериалов содержит корпус 1 с нагнетатель- > ной полостью 2 (фиг. 2)', откуда воз-дух, нагретый нагревательными элементами 3, поступает в неподвижные воздухораспределительные короба 4 и через гибкий воздуховод 5 - в подвижные воздухораспределительные короба 6. Подвижные короба 6 установлены на каретке 7 винтового механизма 8 подъема - опускания, соединенного кинематической передачей 9 со следящим приводом (не показанным на чертеже). В корпусе 1 установлена неподвижная направляющая копировальная линейка 10, с которой контактируют рычаги 11 поворотных заслонок 12, поджатых пружинами 13. К подвижным воздухораспределительным коробам 6 прикреплена направляющая копировальная линейка 14, с которой контактируют рычаги 15 поворотных заслонок 16, поджатых пружинами 17. Заслонки 12 и 16 размещены, соответственно, в подвижных 6 и неподвижных 4 коробах напротив сопел обдува фотоматериала 18. Направляющие ' ролики 19, 20 установлены соответственно на неподвижных 4 и подвижных 6 воздухораспределительных коробах. Воздух в калорифер 21 подается вен- . тилятором (на чертеже не показан). Общее количество подаваемого в сушилку воздуха регулируется шибером 22.The dryer for photographic rolls contains a housing 1 with a discharge-> cavity 2 (Fig. 2) ', from where the air heated by the heating elements 3 enters the stationary air distribution ducts 4 and through the flexible air duct 5 into the movable air distribution ducts 6. Mobile boxes 6 are mounted on the carriage 7 of the screw mechanism 8 lifting - lowering, connected by a kinematic transmission 9 with a servo drive (not shown in the drawing). A fixed guide copy ruler 10 is installed in the housing 1, with which the levers 11 of the rotary shutters 12 pressed by the springs 13 are in contact. A guide guide 14 is attached to the movable air distribution boxes 6, with which the levers 15 of the rotary shutters 16 pressed by the springs 17 contact. The shutters 12 and 16 are placed, respectively, in movable 6 and fixed 4 boxes opposite the nozzles for blowing photographic material 18. Guide rollers 19, 20 are mounted respectively on stationary 4 and movable 6 air distribution itelnyh boxes. Air is supplied to the air heater 21. tiller (not shown in the drawing). The total amount of air supplied to the dryer is regulated by the gate 22.

В перегородке 23 между нагнетательной полостью 2 и рабочей полостью 24 имеется окно 25, перекрываемое штор- 15 кой 26 при помощи пружины 27.,Патрубок 28 служит для отвода части отработанного воздуха из рабочей полости 24.In the partition 23 between the injection cavity 2 and the working cavity 24 there is a window 25, which is blocked by the shutter 26 by means of a spring 27. The pipe 28 serves to divert part of the exhaust air from the working cavity 24.

Сушилка работает следующим образом,20The dryer operates as follows, 20

В подготовительный период воздухораспределительные короба 6 занимают нижнее положение (как показано на чертеже), в котором осущест- 25 вляется прогрев всего устройства и зарядка фотоматериала 18. Это же положение является исходным в ждущем режиме. При этом поворотные заслонки 12 и 16 перекрывают пода- ,jq чу~подогретого воздуха через соответствующие сопла воздухораспределительных коробов 6 и 4. Подвижный короб 6 нажимает на шторку 26, и, преодолевая натяжение пружины.27, открывает окно 25 в перегородке' 23. Нагретый воздух через окно 25 поступает в рабочую полость 24 и прогревает ее. При своем¹ движении вверх, осуществляемом по команде.от следящего привода тракта, короба 6 40 освобождают шторку 26, которая под действием пружины 27 перекрывает окно 25 в перегородке 23. Одновременно рычаги |1 с роликами 20 поочередно съезжают с направляющей копировальной линейки 10, поворотные заслонки 12 при помощи пружин 13 открывают подачу воздуха в соответствующие сопла и на фотоматериал 18.Укрепленная на подвижных коробах 6 направляющая копировальная линейка 14 последовательно наезжает на рычаги 15 и,преодолевая усилие пружин 17, поворачивает заслонки 16, открывая подачу воздуха в соответствующее сопло и на противоположную сторону фотоматериала 18. В рабочем положении короба 6, соответствующем линейной скорости транспортирования фотоматериала 18, подача воздуха осуществляется только на участок фотоматериала 18, находящийся в зоне активного обдува (напротив открытых щелевых сопел).In the preparatory period, the air distribution boxes 6 occupy the lower position (as shown in the drawing), in which the entire device is warmed up and the photo material is charged 18. This same position is the initial one in the standby mode. At the same time, the rotary shutters 12 and 16 block the supply of heated air through the corresponding nozzles of the air distribution ducts 6 and 4. The movable duct 6 presses the shutter 26 and, overcoming the spring tension. 27, opens the window 25 in the partition '23. Heated air through the window 25 enters the working cavity 24 and warms it up. With its ¹ upward movement, carried out by command. From the follow-up drive of the tract, boxes 6 40 release the shutter 26, which, under the action of the spring 27, closes the window 25 in the partition 23. At the same time, the levers | 1 with the rollers 20 alternately slide out of the guide of the copying ruler 10, rotary the shutters 12 with the help of springs 13 open the air supply to the corresponding nozzles and to the photo material 18. The guide guide 14 mounted on the movable boxes 6 sequentially runs onto the levers 15 and, overcoming the force of the springs 17, turns luggage 16, opening the air supply to the corresponding nozzle and to the opposite side of the photographic material 18. In the working position of the box 6, corresponding to the linear speed of transportation of the photographic material 18, air is supplied only to the area of the photographic material 18 located in the area of active blowing (opposite open slotted nozzles).

Технико-экономический эффект от применения описанной сушилки заключается в повышении готовности ее к раВоте за счет сокращения времени подготовки, а также в оперативности устройства в ждущем режиме путем поддержания постоянного температурного режима в рабочей полости. Наряду с повышением производительности сокращаются затраты электроэнергии, потребляемой на предварительный прогрев устройства.The technical and economic effect of using the described dryer is to increase its readiness for operation by reducing the preparation time, as well as the efficiency of the device in standby mode by maintaining a constant temperature regime in the working cavity. Along with increased productivity, the cost of electricity used to preheat the device is reduced.

Claims

The invention relates to the technique of photochemical processing and drying of rolled photographic materials. From the basic author's certificate No. 613180 (application No. 2158640 06), there is a known dryer for rolled photographic materials, comprising a casing of heat-blowing equipment, a roller mechanism transported and looping the material, and a system of alternating moving and fixed air distribution ducts with slotted nozzles and rotary spring-loaded dampers, of which the kinematic is connected by means of a lever and moving contact with a guide ruler 1. A disadvantage of the known dryer is the lack of The supply of the drying agent to the working volume of the body during the preparatory period increases the duration of the latter and decreases the productivity. The present invention is a further improvement of the known and aims to increase productivity. This is achieved by the fact that the cavity of the housing in which the heat ventilation equipment is located is connected to the working volume of the housing through a window that is located in the zone of the moving air distribution ducts and is equipped with a spring-loaded shutter installed with the possibility of interaction between movable boxes. 1 is a diagram of the described dryer (vertical section) J in FIG. 2 shows section A-A in FIG. 1. Dryer for rolled photographic materials includes a housing 1 with an injection cavity 2 (FIG. 2), from where the air heated by heating elements 3 enters the fixed air distribution ducts 4 and through the flexible air duct 5 into the movable air distribution ducts 6. Movable ducts 6 mounted on the carriage 7 of the screw mechanism 8 of the lifting - lowering, connected by a kinematic transmission 9 with a following drive (not shown in the drawing). The casing 1 is fitted with a fixed guide copying ruler 10, with which the levers 11 of butterfly valves 12, pressed by springs 13 are in contact. The guide copying ruler 14 is attached to the moving air distribution boxes 6, with which the levers of 15 bent valves 16, pressed by springs 17 are in contact. 12 and 16 are placed, respectively, in movable b and fixed 4 ducts opposite the blowing material nozzles of the photographic material 18. The guide rollers 19, 20 are mounted respectively on fixed 4 and movable air diffusers separating ducts. The air in the heater 21 is supplied by a fan (not shown in the drawing). The total amount of air supplied to the dryer is controlled by a gate 22. In the partition 23, between the injection cavity 2 and the working cavity 24, there is a window 25, which is closed by a curtain 26 by means of a spring 27.; The jib 28 serves to discharge part of the exhaust air from the working cavity 24. The dryer works as follows. During the preparatory period, the air distribution boxes b occupy the lower position (as shown in the drawing), in which the entire device is heated and the photo material is charged 18. The same position is the original 1m in standby mode. At the same time, the butterfly valves 12 and 16 cut off the supply of heated air through the nozzles of the air distribution ducts b and 4 that are connected. The movable duct 6 presses the shutter 26 and, having overcome the spring tension. 27, opens window 25 in partition 23. The heated air through window 25 enters the working cavity 24 and heats it. During its upward movement, carried out by command, from the following drive of the tract, the box b releases the shutter 26, which under the action of the spring 27 overlaps about 25 in the partition 23. At the same time, the levers J.1 with the rollers 20 alternately slide out of the guide line 10, pivoting behind the arms 12 with the help of springs 13 btw Twa1bt, the air supply to the corresponding nozzles and to the photographic material 18. The guide of the copying line 14 fixed on the moving boxes 6 sequentially slides over the levers 15 and, turning over the force of the springs 17, turns damper 16, opening the air supply to the corresponding nozzle and to the opposite side of the photographic material 18. In the working position of the duct 6 corresponding to the linear transport speed of the photographic material 18, the air is supplied only to the portion of the photographic material 18 located in the active blowing zone (opposite the open slit nozzles ). The technical and economic effect of the use of the described dryer consists in increasing its readiness for operation by reducing the preparation time, as well as in the efficiency of the device in standby mode by continuously maintaining the temperature in the working cavity. As well as increasing productivity, the cost of electricity consumed for preheating the device is reduced. Claims of the Invention Dryer for rolled photographic materials according to the author's certificate No. 613180 (Application No. 2158640 / 24-06), characterized in that, in order to increase productivity, the cavity of the housing in which the heat-extracting equipment is located is connected to the working volume of the housing through the window, which is located in the zone of moving air distribution ducts and is equipped with a spring-loaded curtain installed to interact with the movable ducts. Sources of information taken into account during the examination 1. USSR author's certificate 613180 according to application 2158640, cl. F 26 B 13/08, 1975.