专利摘要:

公开号:SU991940A3
申请号:SU772524543
申请日:1977-09-23
公开日:1983-01-23
发明作者:Миттер Матиас
申请人:3 а ви тель;
IPC主号:
专利说明:

The invention relates to screen printing, on textile, in chart form, for screening / printing printing on air-permeable j. Textile.
A device for screen printing on an air-permeable textile material containing a lifting and lowering screen stencil is known, having a single frame and a screen stencil that has a screen-shaped paint container with an open, open one above the chamber, the cavity of which is connected to the source - jj NIC air gap, installed under the stencil mold for pressing the ink through the material to be printed, and mounted on the frame means for moving the sealed material 2 of the material 1.
In the known device, the colorful container and the chamber located under the material being sealed are mounted on the camera. fixed and printing is carried out when material is pulled over them. .
A disadvantage of the known device is the low quality of printing;
caused by uneven paint application
The aim of the invention is to improve the print quality.
The goal is achieved by the fact that the device for screen printing on air intake textile material containing a lifting and lowering flat stencil form, having a frame and a mesh stencil mounted above the stencil shape of a colorful container with an open bottom, an open chamber above, the cavity installed under the stencil mold to draw paint through the material to be printed, and mounted on the frame means for moving the material to be printed a, has horizontal guides on which the colorful container and camera are installed, a mechanism for simultaneous reciprocating movement of the colorful container and camera along the directions and means for fixing and locking the colorful container relative to the stencil wall, with the camera guides mounted on the frame,
In addition, the colorful container in its lower part has a slot for the passage of the dye, and the chamber in the upper part has a slot running along its entire length, the length and width of which are equal to the length and width of the slot.
The horizontal guides for the inking container are fixed on the stencil frame, the means for fixing and stopping the inking container relative to the stencil form consists of fixing strips fixed on the frame of the stencil shape and fingers fixed on the ends of the colorful container with the possibility of interaction with the fixing strips.
In addition, the mechanism for simultaneous reciprocating movement of the inking container and the camera along the guides contains driving, drums and flexible traction organs, one end attached to the drums, and the other connected with the colorful tank and camera.
Flexible traction organs are connected to a colorful container by means of a clamping coupling, while the stencil form has at least one breathable strip fastened on the mesh stencil in its initial or final sections as the paint container moves.
FIG. 1 shows a screen printing apparatus for a breathable textile material, in perspective view; in fig. 2 shows the arrangement and fastening of the guides for the ink tank; in fig. 3 is a section LL in FIG. 2; in fig. 4 is a section BB in FIG. one; in fig. 5 - section BB in FIG. one; in fig. 6 is a cross-section of the FIG. 5 (an example of using a colorful container); in fig. 7 is a spatial image of the lower part of the colorful container} in FIG. 8 means for fixing and locking the ink container relative to the screen in FIG. 9 - spatial image of the camera; in fig. 10 is a cross section of the camera DD in FIG. 9; in fig. 11 is a diagram of the camera shut-off means; in fig. 12 is a control circuit of the camera shut-off means.
A screen printing device for an air-permeable textile material contains a flat-lifting flat stencil mold 2 mounted on a bed 1 consisting of a frame 3 and a screen stencil 4. On the frame 3 there are plates 5 attached to the frame 3 above the centering tips 6 of the lifting mechanism of the stencil mold 2, consisting from power cylinders 7, on each pair of rods
8 of which are fixed along one strip 9 for fastening the tuck 5. Depending on the control of the power cylinders 7, located at the ends of the slats 9, through the plates 5, the stencil forest 2 is raised and lowered.
The device also includes a colorful container 11 mounted on the frame 3 of the guides 10 and a camera 12 placed under the stencil mold 2 mounted on the guides 13 via the rollers 14.
An infinite mesh tape 15 extends between the screen mold 2 and the chamber 12, which is a support surface for the material to be printed.
This tape is supported and guided by rollers, from KOTOpVax in FIG. 1 shows only the rear roller 16.
The ink tank 11 has in its lower part a slot 17 for the passage of the dye, which can vary in size and is mounted on the guides 10 by means of the rollers 18.
To move the ink tank 11 and the chamber 12, there is a mechanism for simultaneously moving them, including drums 21 driven by a common motor 19 and connected by a common shaft 20 and flexible traction bodies 22-25, attached to the drums 21 by one end and Its ease is 11 and the camera 12.
The traction bodies are supported and guided by fixedly mounted deflection rollers 26-29 and tension rollers 30 and 31.
The cavity of the chamber 12 is connected via a hose 32 to a source of air discharge 33.
As seen in FIG. 3 and 4, the upper edges of the frame 3 are located obliquely and, as a consequence, the directions 10 and 10 are fixed to the frame 3 by means of the supports 34.
Since under the tension of the stencil 4 there is a deflection of the frame 3, the guides 10 are fixed on the supports 34 with the possibility of their shifting and adjustment.
Stencil mold 2 has at least one airtight strip 35 fixed on mesh screen 4 in its initial or final portions as the ink tank 11 moves, or two strips 35 placed on the initial and final portions of the mesh stencil 4.
Ogre, leveled the field. 36, the printing strip 35 may be located in the stencil material 4, in which the permeable properties of the mesh stencil 4 are eliminated by welding the film or by any other means, or be made in the form of a metal plate or plastic plate. The strip 35 is intended for locking the passage slit 17, the ink tank 11 at the moment the tank approaches the edge of the stencil 4. The device also has a means of fixing and locking the ink tank 11 relative to the screen mold 2 consisting of fixing bars 37 fixed on the frame 3, and mounted on the ends of the ink container 11 of the fingers 38 (figs. 4 and 8) entering under the strips 37. In the embodiment shown in fig. 8 bar 37 is L-shaped. Under the container 11 (figs. B and 7), rubber gaskets 39 are installed, which can be interconnected and are intended for both sintering the intimate contact of the container 11 with the surface of the stencil 4 for their elasticity. Under the gaskets there is placed a film material 40 made of plastic with a low coefficient of friction, for example, Teflon, fixed on the walls of the container 11. This material is a doctor blade itself and has a passage opening 41. By replacing the film material 40, the passage slot of the container 11 can be changed. The ink tank is connected to the flexible traction members 22 and 23 by means of clamp sleeves 42, Chamber 12 (Fig. 9 and 10) has in its upper part a slot 43 extending along its entire length, the length and width of which are chosen to correspond to the length and width of the slot 17 of the chamber 11. This slot with the raised stencil mold 3 must be closed so that in the hose 32 the pressure does not rise so much that when lowering Formula 3 for the next dyeing operation, the vacuum in the chamber should only begin to increase to the working value. This may cause uneven draw of the dye through the material being printed. To close the slot 43, the chamber 12 is equipped with a membrane seal, consisting of two convex membranes 4 interacting with each other under the action of compressed air, which is supplied to them via conduit 45. The air control system of the air system is depicted in FIG. 11, and Form 2 is shown here for clarity. At the ends of chamber 12, there are limit switches 46 which are connected to distribution valves 47 and 48. controlled by an electromagnetically camera during its movement together with capacitance 11 it acts on switches 46 at the reversal point or the end point, as a result, the valves 47 and 48 are controlled, alternately closing and opening the suction space of the chamber 12, resulting in the membranes 44, bulging, closing and reshaping vsasyvakatsee discontinuity of the chamber 12 or hanging free and breathable otsoya. The distribution valve 48 is connected to the vacuum piping of chamber 12. Instead of electromagnetic distribution valves, pneumatic vacuum valves or other similar devices can be used. The position a shown in Fig. 11 is the closed position of the membrane seal, the position of the chamber 12 is shown in the position b, and the position C is only indicated at its location and corresponds functionally to the position a. Thus, in both end positions of chamber 12, the membrane seal is closed, while in the middle part of the stencil form compressed air does not flow into the membrane seal and membranes 44 do not block the suction space of chamber 12. In FIG. 11, 49 is the reducing valve. piped to compressor 50. The dp screen printing device works as follows. When using stencil mold 2, it is centrifuged by means of centering tips 6, and clamping sleeves 42 are enclosed in housings for rollers 18, which does not take much time to connect the ink container to the mechanism of simultaneous displacement of ink container 11 and chamber 12. The condition is set aside from the printing floor 36 and is installed above the airtight strip 35, the camera 12 being installed exactly below the container 11. The dye is already loaded into the container 11 by priming or pumping it with a pump. When the motor 19 is turned on after the mold 3 is lowered onto the material to be printed, introduced under the shape 3 by the mesh tape 15, the printing process is started by means of a joint return-translation movement of the container 11 and the chamber 12. If the print has been done sufficiently, then the container 11 and the chamber 12 move to the end position and the chamber 12 is locked with a membrane seal through the limit switch 46 and valve 47. Thereafter, the power cylinders 7 through the plan-.
ki 9 lifts form 3. The mesh tape 15, along with a new section of material, is fed forward and form 3 is again lowered onto the material to be sealed, and the membrane seal reopens the suction area of the chamber 12, and the printing process is repeated. By changing the degree of dilution, the amount of dye which is drawn in can be changed. Depending on the viscosity of the dye, the vacuum must be different, since there is a big difference in what material is currently being sealed. In all cases, the material to be sealed must be breathable.
The invention, by virtue of its design features, allows an increase in print quality as compared with similar known devices.
权利要求:
Claims (7)
[1]
1. A screen printing device for an air-permeable textile material comprising a lifting flat stencil shape having a frame and a mesh stencil mounted above the stencil shape a paint tank with an open bottom, an open-top chamber, the cavity of which is connected to a source of air dilution, is installed below the stencil shape an ink suction shape through the material to be sealed, and a means for moving the material to be mounted on the frame, characterized in that, in order to print quality, it has horizontal guides on which the ink tank and camera are installed, a mechanism for simultaneous return-and-forward movement of the ink tank and camera along the guides, and means for fixing and stopping the ink tank relative to the screen for1.1, while cameras are mounted on the frame.
[2]
2. Device POP.1, characterized in that the ink tank in the lower part has a slit for the passage of the dye, and the chamber in the upper part has a slot that runs along its entire length, the length and width of which are equal to the length and width of the slot in the tank.
[3]
3. The device according to Claims 1 and 2, that is, with the fact that the horizon is connected with the guides for the inking container on the frame of the screen form.
[4]
4. The device according to nn.lS, which is characterized by the fact that the means for fixing and locking the ink container relative to the stencil shape consists of fixing strips fixed on the frame of the stencil shape and fingers fixed to the end of the Ink Paint Cap with the possibility of interaction with the fixing slats.
[5]
5. The device according to claims 1-4, of which there is a mechanism for the simultaneous reciprocating movement of the ink tank
and the chambers along the guides contain driving drums and flexible traction bodies, with one end fixed on the drums and the other connected with the colorful container and the chamber.
[6]
6. Device according to claims 1-5, characterized in that the flexible traction bodies are connected to the colorful container by means of a clamping coupling.
[7]
7. A device according to claims 1-6, characterized in that the screen form has at least one airtight strip fixed on the screen screen in its initial or final sections as the paint container moves. j
.Sources of information accepted. Attention in the examination
1. The latent of the Federal Republic of Germany 1252167, cl. 8 from 8, 1968 (prototype).
Fy
IG
18
FIG B
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同族专利:
公开号 | 公开日
DE2653912A1|1978-06-01|
ATA656177A|1982-12-15|
AT371768B|1983-07-25|
GB1586282A|1981-03-18|
引用文献:
公开号 | 申请日 | 公开日 | 申请人 | 专利标题

EP1844932A3|1998-09-10|2010-02-17|DEK International GmbH|Method and apparatus for applying a viscous or paste material onto a substrate|
GB9903146D0|1998-09-10|1999-04-07|Williams David G|Method and apparatus for applying a viscous or paste material onto a substrate|
ITUA20162113A1|2016-03-30|2017-09-30|Prudente Group Srl|INK DISPENSER FOR SERIGRAPHIC PRINTS|
DE102020208163A1|2020-06-30|2022-01-13|Ekra Automatisierungssysteme Gmbh|Printing device and printing system with stencil magazine for printing flat substrates|
法律状态:
优先权:
申请号 | 申请日 | 专利标题
DE19762653912|DE2653912A1|1976-11-27|1976-11-27|DEVICE FOR PATTERNING AND COLORING PRINTED MATERIAL, IN PARTICULAR TEXTILE MATERIAL, THAT IS EITHER IN TRAILS OR FLAT SINGLE PIECES BY MEANS OF A FLAT PRINTED SCREEN TEMPLATE|
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