SU848371A1

SU848371A1 - Apparatus for printing on cylindrical surfaces

Info

Publication number: SU848371A1
Application number: SU792837074A
Authority: SU
Inventors: Алексей Васильевич Кадашов; Анатолий Константинович Андрюшин
Original assignee: Предприятие П/Я А-3813
Priority date: 1979-10-22
Filing date: 1979-10-22
Publication date: 1981-07-23

Description

Изобретение относится к печатным машинам и может быть использовано для печатания на цилиндрических изделиях, например на собранных коробках противогаза.The invention relates to printing machines and can be used for printing on cylindrical products, for example on assembled gas mask boxes.

Известно устройство для печатания на цилиндрических изделиях, содержащее смонтированный на станине лоток, печатный цилиндр, установленный на валу привода его вращения, красконаносящий механизм и подпружиненную направляющую в виде вогнутой пластины, установленную параллельно поверхности печатного цилинд ра [1]. 15A device for printing on cylindrical products containing a tray mounted on a bed, a printing cylinder mounted on the drive shaft of its rotation, a paint-spraying mechanism and a spring-loaded guide in the form of a concave plate mounted parallel to the surface of the printing cylinder [1]. fifteen

-* Недостатками данного устройства- являются отсутствие средства, исключающего нанесение краски на печатную форму при отсутствии изделия, и невоз^можность использования для нанесения 20 на изделия маркировки, содержащей ίпорядковый номер.- * The disadvantages of this device are the lack of a tool that excludes the application of ink on a printing plate in the absence of a product, and the inability to use markings containing an ordinal number for applying 20 to products.

Целью изобретения является повышение качества печати и обеспечение нанесения маркировки, содержащей по- 25 рядковый номер, независимо от ритма подачи изделий.The aim of the invention is to improve the quality of printing and ensuring the application of markings containing a 25 serial number, regardless of the rhythm of the supply of products.

Цель достигается за счет того, что устройство снабжено отсекателем с кулачковым приводом и механизмом 30 .контроля наличия изделия, включающий подпружиненный рычай, несущий щуп· и упор и кулачковый привод перемещения рычага, а красконаносящий механизм состоит из шарнирно закрепленной на станине, подпружиненной красконаносящей головки с жестко закрепленными на ней рычагом, несущим ролик и упор для взаимодействия с механизмом контроля наличия изделия при отсутствии изделия и кулачка·, взаимодействующего с роликом, причем все кулачки закреплены на валу печатного цилиндра.The goal is achieved due to the fact that the device is equipped with a shut-off device with a cam drive and a mechanism 30. to control the availability of the product, including a spring-loaded growl, a bearing probe · and an emphasis and a cam drive for moving the lever, and the paint-carrying mechanism consists of a pivotally mounted frame, a spring-loaded paint-carrying head with rigidly fixed to it by a lever carrying the roller and an emphasis for interaction with the mechanism for controlling the presence of the product in the absence of the product and the cam · interacting with the roller, and all cams are closed epleny on the shaft of the impression cylinder.

Кроме тогЬ, печатный цилиндр имеет установленный на его валу нумератор с механизмом привода цифр, причем на рычаге механизма контроля наличия изделия имеется выступ для взаимодействия с механизмом перевода цифр нумератора при наличии изделия.In addition, the printing cylinder has a numerator mounted on its shaft with a digital drive, and on the lever of the product availability control mechanism there is a protrusion for interacting with the numerator of the numbering machine in the presence of the product.

На фиг. 1 дано схематическое изображение устройства при наличии изделия в лотке; на фиг.*2 - то же, при отсутствии изделия в лотке.In FIG. 1 is a schematic illustration of a device when the product is in the tray; in Fig. * 2 - the same, in the absence of the product in the tray.

Устройство для печатания на изделиях с цилиндрической поверхностью содержит наклонный лоток 1, отсекатель 2 с приводом от кулачка 3, подпружиненную направляющую 4, краскона3 носящий механизм 5, печатный цилиндр 6 с печатной формой (не показана), установленный на приводном валу 7, механизм 8 контроля наличия изделияA device for printing on products with a cylindrical surface comprises an inclined tray 1, a cutter 2 driven by a cam 3, a spring-loaded guide 4, an ink cartridge 3 supporting mechanism 5, a printing cylinder 6 with a printing plate (not shown) mounted on the drive shaft 7, a control mechanism 8 product availability

9. На качающейся красконаносящей головке 10 красконаносящего’ механизма 5 жестко закреплен (рычаг 11, несущий упор 12. и ролик 13. Красконаносящая головка 10 закреплена на станине шарнирно,подпружинена пружиной 14 и получает перемещение от кулачка 15.9. On the swinging ink-bearing head 10 of the ink-bearing ’mechanism 5, it is rigidly fixed (lever 11, bearing stop 12. and roller 13. The ink-bearing head 10 is pivotally mounted on the bed, spring-loaded 14 and receives movement from cam 15.

Механизм 8 контроля наличия изделия содержит подпружиненный пружиной. 16 рычаг 17, перемещаемый кулачком 18. Рычаг 17 снабжен упором 19, роликом 20, выступом 21 и щупом 22, установленным в направляющих 23. Нумератор 24 и кулачки 3, 15 и 18 закреплены на приводном валу 7.,Нумератор 24 имеет механизм перевода цифр (не показан).The mechanism 8 for controlling the availability of the product contains a spring-loaded spring. 16, the lever 17, moved by the cam 18. The lever 17 is equipped with a stop 19, a roller 20, a protrusion 21 and a probe 22 mounted in the guides 23. The numbering mechanism 24 and the cams 3, 15 and 18 are mounted on the drive shaft 7., The numbering device 24 has a digit conversion mechanism (not shown).

Устройство работает следующим образом.The device operates as follows.

При вращении вала 7 изделие 9 скатывается по. лотку 1 под отсекатель 2 на щуп 22, так как щуп в этот момент утоплен потому, что ролик 20 прокатывается по профилю а кулачка 18, отклоняя рычаг 17 в положение, при котором выступ 21 пересекает траекторию в движения механизма перевода цифр нумератора 24. После схОда ролика 20 с профиля а кулачка 18 щуп 22 удерживается в утопленном положении изделием 9, так как кулачок 3 не открыл отсекатель 2, а рычаг 17 отклонен в нижнее положение, и выступом 21 переключает нумератор 24. В момент подхода печатной формы с нумератором 24 к красконаносящему механизму 5 -ролик 13, установленный на рычаге 11, попадает в во впадину кулачка 15, после чего прижимаемая пружиной 14 красконаносящая головка 10 своим роликом прокатывается по печатной форме с нумератором 24, нанося на него краску. При дальнейшем повороте вала 7 кулачок 3 открывает отсекатель 2, изделие 9 скатывается по лотку 1 на печатную форму с нумератором 24 и печатный цилиндр 6 прокатывает изделие 9 под подпружиненной направляющей 4, нанося на изделие 9 маркировку.When the shaft 7 rotates, the product 9 rolls along. tray 1 under the cutter 2 on the probe 22, because the probe is recessed at that moment because the roller 20 rolls along the profile a of the cam 18, deflecting the lever 17 to the position where the protrusion 21 intersects the path in movement of the numerator 24. the roller 20 from the profile a of the cam 18, the stylus 22 is held in a recessed position by the product 9, since the cam 3 did not open the shutter 2, and the lever 17 is deflected to the lower position, and the protrusion 21 switches the numbering device 24. At the time of the approach of the printing plate with the numbering 24 to the ink mechanism 5 - roller 13, mustache mounted on the lever 11, falls into the cavity of the cam 15, after which the ink-bearing head 10 pressed by the spring 14 is rolled with its roller in printing form with the numbering 24, applying paint to it. With a further rotation of the shaft 7, the cam 3 opens the cutter 2, the product 9 rolls along the tray 1 onto the printing plate with the numbering 24 and the printing cylinder 6 rolls the product 9 under the spring-loaded guide 4, marking the product 9.

Очередное изделие скатывается под отсекатель и цикл работы повторяется.Another product rolls under the cutter and the cycle of work is repeated.

При отсутствии изделия и вращения вала 7 ролик 20, сходя с профиля а кулачка 18, попадает на профиль б и под действием пружины .16 рычаг 17 поднимается, передвигая щуп 22 в направляющих 23 в верхнее положение.In the absence of the product and rotation of the shaft 7, the roller 20, leaving the profile a of the cam 18, falls on the profile b and under the action of the spring .16 the lever 17 rises, moving the probe 22 in the guides 23 to the upper position.

В поднятом положении рычага 17 выступ 21 не пересекает траекторию в движения механизма перевода цифр нумератора 24, а упор 19 заходит ва упор 12, не позволяя пружине 14 прижать красконаносящую головку 10 роликом к печатному цилиндру 6, чем исключается намазывание краской печатной формы.In the raised position of the lever 17, the protrusion 21 does not cross the path in the movement of the digitizing mechanism of the numbering device 24, and the emphasis 19 enters the emphasis 12, not allowing the spring 14 to press the ink-spraying head 10 with the roller to the printing cylinder 6, which prevents smearing of the printing form with ink.

Изобретение позволяет исключить накопители при неравномерной подаче изделий, обеспечивает высокое качест во печати и возможность нанесения порядкового номера на изделия, независимо от ритма их подачи исключает частую промывку клише при.неритмичной подаче изделий.EFFECT: invention allows eliminating drives during non-uniform supply of products, provides high print quality and the ability to apply a serial number to products, regardless of the rhythm of their supply, eliminates frequent cliché washing with irregular supply of products.

Claims

The invention relates to printing presses and can be used for printing on cylindrical articles, for example assembled gas mask boxes. A known device for printing on cylindrical articles, a tray-mounted tray, a printing cylinder mounted on the drive shaft of its rotation, a paint-spreading mechanism and a spring-loaded guide in the form of a concave plate mounted parallel to the surface of the printing cylinder 1. - Disadvantages of this device the absence of a means of excluding the application of ink to the printing form in the absence of the product, and the impossibility of using for marking the products containing (on Number. The aim of the invention is to improve the quality of printing and to ensure the application of a marking containing the sequence number, regardless of the rhythm of the product supply, which is achieved by the fact that the device is equipped with a cam drive and mechanism for controlling the presence of the product, including a spring-loaded lever, the carrier and stop and cam drive for moving the lever, and the paint-applying mechanism consists of a hingedly mounted on the frame, a spring-loaded paint-applying head with a lever rigidly fixed on it, carrying im a roller and an anvil for interacting with the mechanism of controlling the presence of the product in the absence of the product and a cam interacting with the roller, all the cams being fixed on the shaft of the printing cylinder. In addition, the printing cylinder has a numerator mounted on its shaft. With a digit drive mechanism, there is a protrusion on the lever of the item control mechanism to interact with the numerator number transfer mechanism in the presence of the item. FIG. 1 shows a schematic representation of the device in the presence of the product in the tray; figure 2 - the same, in the absence of the product in the tray. A device for printing on products with a cylindrical surface contains an inclined tray 1, a cutter 2 driven by a cam 3, a spring-loaded guide 4, an ink transfer mechanism 5, a printing cylinder 6 with a printing form (not shown) mounted on a drive shaft 7, a mechanism 8 control the presence of the product 9, on the swiveling paint head 10 of the paint-applying mechanism 5 is rigidly fixed (the lever 11, carrying the stop 12. and roller 13. The paint head 10 is fixed on the frame hinged, spring loaded 14 and gets displaced cam 15, the mechanism for controlling the presence of the product contains a spring-loaded spring 16 17 moved by the cam 18. The lever 17 is provided with an abutment 19, a roller 20, a protrusion 21 and a feeler gauge 22 installed in the guides 23. The numerator 24 and the cams 3, 15 and 18 The drive shaft 7 has a digit translation mechanism (not shown). The device works as follows. When the shaft 7 rotates, the product 9 rolls along the tray 1 under the slam-shut 2 onto the probe 22, since the probe is at that moment recessed because roller 20 rolls along profile a of cam 18, the lever 17 deflects A situation in which the protrusion 21 intersects the trajectory in the movement of the numeral 24 digit transfer mechanism. After the roller 20 has been rolled up from the profile of the cam 18, the probe 22 is kept in the recessed position by product 9, since the cam 3 has not opened the cut 2 and the lever 17 is deflected to the lower position , and a protrusion 21 switches the numerator 24. At the moment of approaching the mold with the numerator 24 to the paint, the applying mechanism 5, the roller 13, mounted on the lever 11, falls into the depression of the cam 15, after which the head 10 is pressed by the roller 14 goes on on the printed form with the number rum 24, put paint on it. Upon further rotation of the shaft 7, the cam 3 opens the slam-shut 2, the product 9 rolls along the tray 1 onto the printing plate with the numerator 24 and the printing cylinder 6 rolls the product 9 under the spring-loaded direction 4, nano with the marking 9 on the product. The next product rolls under the slam-shut and the work cycle repeats. When the product 7 is missing and the shaft 7 rotates, the roller 20, the descent from the profile a of the cam 18, hits the profile b and under the action of the spring .16 the lever 17 rises, moving the probe 22 in the direction of the 23 into the upper position of the raised position of the lever 17, the height 21 does not intersect the trajectory in the movement of the numerator 24 digit transfer mechanism, and the stop 19 enters pores 12, preventing the spring 14 from painting the paint head 10 with an olic to the printing cylinder 6, which turns off the smear paint. The invention makes it possible to exclude accumulators in case of uneven feeding of objects, provides high quality printing and the possibility of applying a serial number on products, regardless of the rhythm of their feeding, eliminates frequent washing of the cliches when non-continuous feeding of products. 1. Device for printing on products with a cylindrical surface containing a tray mounted on a bed, a printing cylinder mounted on a drive shaft for its rotation, a paint-spreading mechanism and a spring-loaded guide to a curved plate mounted parallel to the surface of the printing cylinder, characterized by that, in order to improve the print quality, it has a cutter with a cam KOBbff .i drive and a mechanism for controlling the presence of the product, containing a spring-loaded lever, a bearing rod and stop and cams the drive for moving the lever, and the paint mechanism consists of a hinge mounted on the bed, a spring-loaded paint head with a lever fixed on it carrying the roller and an emphasis for interacting with the mechanism for controlling the presence of the product in the absence of the product and the cam interacting with the roller, all Cams mounted on the shaft of the printing cylinder.

2. The device according to claim 1, which is so that, in order to enable the application of a serial number on the product, the printing cylinder has a numerator installed on its shaft with a number translation mechanism, and there is a BfcuCTyn for the product availability control lever interaction with the mechanism for translating numerals into the presence of the product. Sources of information taken into account in the examination 1. US Patent No. 3718085, cl. 101-40, 1973.