CN115570875A - Portable large-format screen printing frame structure and screen stretching method - Google Patents
Portable large-format screen printing frame structure and screen stretching method Download PDFInfo
- Publication number
- CN115570875A CN115570875A CN202211516123.1A CN202211516123A CN115570875A CN 115570875 A CN115570875 A CN 115570875A CN 202211516123 A CN202211516123 A CN 202211516123A CN 115570875 A CN115570875 A CN 115570875A
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- screen
- frame
- aluminum alloy
- pressing
- printing
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- 238000007650 screen-printing Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 51
- 238000003825 pressing Methods 0.000 claims abstract description 39
- 239000002390 adhesive tape Substances 0.000 claims abstract description 25
- 238000007639 printing Methods 0.000 claims abstract description 23
- 229920001973 fluoroelastomer Polymers 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims description 4
- 238000003854 Surface Print Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/36—Screens, Frames; Holders therefor flat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/14—Forme preparation for stencil-printing or silk-screen printing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Printing Plates And Materials Therefor (AREA)
- Screen Printers (AREA)
Abstract
A portable large-format screen printing frame structure and a screen stretching method are disclosed, wherein a screen printing frame is composed of four aluminum alloy frames, and two hexagonal screws are arranged at each joint of the four aluminum alloy frames. Cutting four fluororubber pressing strips with enough lengths, pressing the pressing strips with a screen tightening device to press the screen into the grooves, removing excessive screen, removing excessive pressing strips at two ends of each edge of the screen frame, sealing four edges of the screen frame with wide-edge waterproof adhesive tapes, and making a plate after tightening the screen. The method is suitable for preparing the large-format barrier pseudo-mounting surface, and is convenient for troops to efficiently implement the camouflage operation in the local environment. Simple structure, convenient operation when realizing portablely, can make the camouflage net of multiple size according to actual scene, the printing process is simple and convenient, and the practicality is strong.
Description
Technical Field
The invention relates to the technical field of camouflage operation, in particular to a portable large-format screen printing frame structure and a screen stretching method.
Background
Masquerading is a variety of trusting, falsifying and disturbing measures taken to conceal own parties and deceive and confuse enemies. Camouflage clothes, camouflage paint, camouflage and shielding and other camouflage equipment are used for camouflage, and the camouflage clothes, camouflage coating, camouflage and shielding and other equipment generally belong to standard equipment, are not easy to change after being shaped, are difficult to adapt to frequently changed backgrounds, and sometimes can become new exposure symptoms. In a plurality of camouflage apparatuses, a camouflage and shelter system can effectively cope with reconnaissance equipment such as visible light, near infrared, ultraviolet, radar and the like, screen printing can generate fine patterns highly fused with background images on the spot and in real time according to local background information, multispectral compatible camouflage paint is coated on a shelter surface (a camouflage net, a decorative sheet or camouflage cover cloth) by the principle that image-text parts are ink-permeable and non-image-text parts are ink-impermeable, and is compounded with a functional substrate, so that various reconnaissance equipment can be effectively resisted, and the camouflage efficiency is improved. In view of the environment and state of the camouflage operation, the manual screen printing is more suitable than the mechanical screen printing, however, the breadth of the current manual screen printing frame is generally smaller and is not suitable for the preparation of a large-breadth barrier false mounting surface, so that a large-breadth portable screen printing frame and a screen stretching method need to be designed to facilitate troops to efficiently implement the camouflage operation in the local environment.
Disclosure of Invention
The invention provides a portable large-format screen printing frame structure and a screen stretching method, which are suitable for preparing a large-format barrier pseudo-mounting surface and are convenient for troops to efficiently implement camouflage operation in an in-situ environment.
The utility model provides a portable big breadth screen printing frame structure, the screen printing frame of constituteing by four aluminum alloy frames, every joint department of four aluminum alloy frames sets up two hexagonal screws respectively.
Preferably, each aluminum alloy frame of the present invention has a thickness of 2cm and a width of 4cm.
Preferably, the inner side of each aluminum alloy frame is provided with a groove.
Preferably, the width of the groove is 5mm, and the depth is 5mm; the distance between the center point of the groove and the frame is 1.5cm.
Preferably, the cross section of each aluminum alloy frame is trapezoidal, and hexagonal threaded holes matched with the hexagonal screws are formed in two ends in the length direction.
The invention relates to a screen stretching method of a portable large-format screen printing screen frame structure, which comprises the following steps of:
putting four aluminum alloy frames, and sequentially assembling and fixing joints by using hexagonal screws;
step (2) horizontally placing the assembled large-format screen printing frame, and flatly paving a screen with the size larger than that of the frame on the screen;
step (3) intercepting 4 fluororubber press strips with enough length, pressing the press strips to press the screen mesh into the groove by using a screen stretching device, pressing one group of parallel aluminum alloy frames firstly, pressing the other group of parallel aluminum alloy frames, and compacting section by section from the near end to the far end; the fluororubber pressing strip is solid, and the wire diameter is matched with the size of the groove;
after the four sides of the screen frame are stretched, removing excessive screen meshes, and reserving screen meshes with the width of about 1cm on each side to prevent screen dropping caused by excessive cutting;
removing excessive press strips at two ends of each edge of the screen frame to ensure the smoothness of the stretched screen surface of the screen frame and the subsequent printing quality;
step (6) four edges of the screen frame are sealed by using wide-edge waterproof adhesive tapes, two adhesive tapes are sealed on each edge when the edges are sealed, the first adhesive tape is adhered along the inner edge of the screen frame, and the second adhesive tape wraps the outer edge of the screen frame so as to ensure that the screen frame is as clean as possible during subsequent plate making, developing and printing; and (5) after the silk screen is stretched, plate making is carried out.
The screen stretching method further comprises the step (7), after the plate making is successful, the adhesive tapes on the parallel pair of aluminum alloy frames are removed, the pressing strips on the adhesive tapes are taken out, the hexagonal screws at the joints of the four aluminum alloy frames are taken out in sequence, and the remaining screen printing plates supported by the parallel aluminum alloy frames form a curved surface printing plate for printing on a curved surface.
Preferably, the net stretching device comprises a pressing wheel sheet, a movable connecting body, a connecting body and a handle, wherein one end of the handle is connected with the movable connecting body through the connecting body, the pressing wheel sheet is arranged on the movable connecting body, and the thickness of the pressing wheel sheet is matched with the line diameter of the pressing strip.
The method is suitable for preparing the large-format barrier-shielding camouflage surface (for example, the size of a camouflage net suitable for troops is 6.8m x 6.8m), so that the troops can efficiently carry out camouflage operation in the in-situ environment. Simple structure, convenient operation when realizing portablely, can make the camouflage net of multiple size according to actual scene, the printing process is simple and convenient, and the practicality is strong.
Drawings
FIG. 1 is a schematic view of a screen frame construction for screen printing according to the present invention;
FIG. 2 is an enlarged view of a portion VI of FIG. 1;
FIG. 3 is a schematic front view of the assembled frame of the present invention;
FIG. 4 is a schematic view of a back side structure of the frame assembly of the present invention;
FIG. 5 is a schematic view of the construction of the screen stretcher of the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a schematic representation of a flexographic printing plate according to the present invention.
Detailed Description
The technical scheme of the invention is explained in detail by combining the drawings as follows:
as shown in fig. 1, a portable large-format screen printing frame structure is a screen printing frame composed of four aluminum alloy frames, and two hexagonal screws are respectively arranged at each joint of the four aluminum alloy frames.
As shown in fig. 1, 3 and 4, each aluminum alloy frame has a thickness of 2cm and a width of 4cm. The inner side of each aluminum alloy frame is provided with a groove. The width of the groove is 5mm, and the depth of the groove is 5mm; the distance between the center point of the groove and the frame is 1.5cm.
As shown in fig. 1 and 2, the cross section of each aluminum alloy frame is trapezoidal, and hexagonal threaded holes matched with the hexagonal screws are formed in the two ends of the aluminum alloy frame in the length direction.
A screen stretching method of a portable large-format screen printing screen frame structure comprises the following steps:
putting four aluminum alloy frames, and sequentially assembling and fixing joints by using hexagonal screws;
horizontally placing the assembled large-format screen printing frame, and flatly paving a screen with the size larger than that of the frame on the large-format screen printing frame;
step (3) intercepting 4 fluororubber press strips with enough length, pressing the press strips to press the screen mesh into the groove by using a screen stretching device, pressing one group of parallel aluminum alloy frames firstly, pressing the other group of parallel aluminum alloy frames, and compacting section by section from the near end to the far end; the fluororubber pressing strip is solid, and the wire diameter is matched with the size of the groove;
after the four sides of the screen frame are stretched, removing excessive screen meshes, and reserving screen meshes with the width of about 1cm on each side to prevent screen dropping caused by excessive cutting;
removing excessive pressing strips at two ends of each edge of the screen frame to ensure the smoothness of the stretched screen surface of the screen frame and the subsequent printing quality;
step (6) four edges of the screen frame are sealed by using wide-edge waterproof adhesive tapes, two adhesive tapes are sealed on each edge when the edges are sealed, the first adhesive tape is adhered along the inner edge of the screen frame, and the second adhesive tape wraps the outer edge of the screen frame so as to ensure that the screen frame is as clean as possible during subsequent plate making, developing and printing; and (5) stretching the silk screen and then making a plate.
And finishing normal plane printing stock printing through the 6 steps.
And (7) after the plate making is successful, removing the adhesive tapes on the parallel pair of aluminum alloy frames, taking out the pressing strips on the adhesive tapes, sequentially taking out the hexagonal screws at the joints of the four aluminum alloy frames, and forming a curved surface printing plate by the remaining group of screen printing plates supported by the parallel aluminum alloy frames for printing on a curved surface.
The invention completes the printing special for the curved surface through the step (7).
As shown in fig. 5 and 6, the mesh stretching device of the invention comprises a pinch roller sheet 1, a movable connecting body 2, a connecting body 3 and a handle 4, wherein one end of the handle 4 is connected with the movable connecting body 2 through the connecting body 3, the pinch roller sheet 1 is arranged on the movable connecting body 2, and the thickness of the pinch roller sheet 1 is matched with the line diameter of a pressing bar.
1. Structure design of detachable screen frame for screen printing
Mainly relate to four aluminum alloy frames and assemble into the structural design of big breadth screen printing screen frame through hexagonal screw fast (for example, screen frame internal diameter 1m is the example), screen frame assembly diagram refers to fig. 1, specifically includes:
(1) The screen printing frame is composed of 4 aluminum alloy frames (preferably, the thickness is 2cm, the width is 4 cm) and 8 hexagonal screws (preferably, the specification is M6), and the four joints are respectively connected by the 2 hexagonal screws so as to assemble the screen printing frame;
(2) The back surface of the aluminum alloy frame forming the screen printing frame is provided with grooves (as shown in figure 4, preferably, the width is 5mm and the depth is 5 mm), the grooves are positioned between the inner frame and the outer frame (marked with a VI partial enlarged view in figure 1, preferably, the distance between the grooves and the inner frame of the aluminum alloy is 1.5 cm);
(3) A single aluminum alloy frame is in a trapezoid shape, and appropriate hexagonal threaded holes (marked with a partial enlarged view VI in figure 2) are reserved at two ends of the frame respectively.
2. Method for assembling large-format screen printing frame
The specific method comprises the following steps:
(1) The four aluminum alloy frames are placed in order with the right sides facing upwards;
(2) The aluminum alloy frames to be placed are sequentially assembled and fixed at the joints by hexagonal screws, the four aluminum alloy frames are initially fixed after being aligned in position during connection, and finally screws at the joints are screwed down.
3. Rapid screen stretching method for large-format screen printing screen frame
The method mainly relates to a method for compacting fluororubber strips to an assembled large-breadth silk-screen printing screen frame by using a manual screen stretching device, forming tension by using the pressure of four-side pressing strips to stretch a screen, removing redundant screens on four sides, removing redundant fluororubber pressing strips, and sealing the periphery of the screen frame by using a waterproof adhesive tape to finish screen stretching, and specifically comprises the following steps of:
(1) Horizontally placing the assembled large-format silk-screen printing frame with the reverse side upward, and laying a silk screen (for example, 1.1m by 1.1 m) with the size larger than that of the frame on the large-format silk-screen printing frame;
(2) Intercepting 4 fluororubber layering (for example, 1.02 m) of sufficient length, utilizing the net stretcher to press the layering silk screen to press to the recess, when pressing the net, press parallel a set of aluminum alloy frame earlier, repress another parallel aluminum alloy frame, carry out the compaction section by section from the near-end toward the distal end, wherein:
a. the fluororubber pressing strip is solid, has the wire diameter close to the size of the reverse groove of the aluminum alloy frame (for example, the wire diameter is 5 mm), has the length of 20m, and is cut out according to the length requirement when in use;
b. the net stretching device mainly comprises a handle, a roller and a connecting part, the assembly of the net stretching device is schematically shown in figure 3,
the method comprises the following specific steps: the pressing wheel sheet 1 is a key part, the diameter of the pressing wheel is preferably 3.5cm, and the thickness of the pressing wheel sheet is slightly smaller than the diameter of a pressing line (for example, 4mm, with a groove); the label 2 is a movable connecting body 2 to ensure that the pressure wheel sheet 1 can rotate freely; a connecting body 3 of the handle and other parts; a handle 4, preferably 12cm in length, for single-handed holding operation;
(3) After the four sides of the screen frame are stretched with the screens, removing excessive screens without completely removing the screens, and reserving screen screens with the width of about 1cm on each side to prevent screen dropping caused by excessive cutting;
(4) Removing excessive pressing strips at two ends of each edge of the screen frame so as to ensure the smoothness of the stretched screen surface of the screen frame and ensure the subsequent printing quality;
(5) The four sides of the screen frame are sealed by using waterproof adhesive tapes with wide edges (for example, 4cm wide), each edge is sealed by two adhesive tapes when the edges are sealed, the first adhesive tape is pasted along the inner edge of the screen frame, and the second adhesive tape wraps the outer edge of the screen frame, so that the screen frame is kept as clean as possible during subsequent plate making, developing and printing.
4. Curved printing plate forming method
Mainly relates to a method for forming a deformed printing plate, which comprises the following steps:
(1) After the silk screen is stretched, plate making is carried out according to the steps 1, 2 and 3;
(2) And (3) after the plate making is successful, removing the adhesive tapes on the parallel pair of aluminum alloy frames, taking out the press strips on the adhesive tapes, sequentially taking out the hexagonal screws at the joints of the 4 aluminum alloy frames, and forming a curved printing plate by the remaining group of screen printing plates supported by the parallel aluminum alloy frames, wherein the curved printing plate can be used for printing on a curved surface, and the curved printing plate can be seen in fig. 7.
Claims (8)
1. The utility model provides a portable big breadth screen printing frame structure which characterized in that: the screen printing frame is composed of four aluminum alloy frames, and two hexagonal screws are arranged at each joint of the four aluminum alloy frames respectively.
2. The portable large format screen printing frame structure of claim 1, wherein: the thickness of each aluminum alloy frame is 2cm, and the width is 4cm.
3. The portable large-format screen printing frame structure of claim 1, characterized in that: the inner side of each aluminum alloy frame is provided with a groove.
4. The portable large-format screen printing frame structure of claim 3, characterized in that: the width of the groove is 5mm, and the depth of the groove is 5mm; the distance between the central point of the groove and the frame is 1.5cm.
5. The portable large-format screen printing frame structure of claim 1, characterized in that: the cross-section of every aluminum alloy frame is trapezoidal, length direction's both ends set up with hexagonal screw hole of hexagonal screw assorted.
6. The screen stretching method of a portable large-format screen printing frame structure based on any one of claims 1 to 5, characterized in that: the method comprises the following steps:
putting four aluminum alloy frames, and sequentially assembling and fixing joints by using hexagonal screws;
horizontally placing the assembled large-format screen printing frame, and flatly paving a screen with the size larger than that of the frame on the large-format screen printing frame;
step (3) intercepting 4 fluororubber press strips with enough length, pressing the press strips to press the screen mesh into the groove by using a screen stretching device, pressing one group of parallel aluminum alloy frames firstly, pressing the other group of parallel aluminum alloy frames, and compacting section by section from the near end to the far end; the fluororubber pressing strip is solid, and the wire diameter is matched with the size of the groove;
after the four sides of the screen frame are stretched, removing excessive screen meshes, and reserving screen meshes with the width of about 1cm on each side to prevent screen dropping caused by excessive cutting;
removing excessive pressing strips at two ends of each edge of the screen frame to ensure the smoothness of the stretched screen surface of the screen frame and the subsequent printing quality;
step (6) four edges of the screen frame are sealed by using wide-edge waterproof adhesive tapes, two adhesive tapes are sealed on each edge when the edges are sealed, the first adhesive tape is adhered along the inner edge of the screen frame, and the second adhesive tape wraps the outer edge of the screen frame so as to ensure that the screen frame is as clean as possible during subsequent plate making, developing and printing; and (5) stretching the silk screen and then making a plate.
7. A screen stretching method as claimed in claim 6, further comprising:
and (7) after the plate making is successful, removing the adhesive tapes on the parallel pair of aluminum alloy frames, taking out the pressing strips on the aluminum alloy frames, sequentially taking out the hexagonal screws at the joints of the four aluminum alloy frames, and forming a curved surface printing plate by the remaining screen printing plates supported by the parallel aluminum alloy frames for printing on the curved surface.
8. The method of clothing stretching of claim 6, wherein: the net stretching device comprises a pressing wheel sheet (1), a movable connector (2), a connector (3) and a handle (4), one end of the handle (4) is connected with the movable connector (2) through the connector (3), the pressing wheel sheet (1) is arranged on the movable connector (2), and the thickness of the pressing wheel sheet (1) is matched with the line diameter of the pressing strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211516123.1A CN115570875A (en) | 2022-11-30 | 2022-11-30 | Portable large-format screen printing frame structure and screen stretching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211516123.1A CN115570875A (en) | 2022-11-30 | 2022-11-30 | Portable large-format screen printing frame structure and screen stretching method |
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| Publication Number | Publication Date |
|---|---|
| CN115570875A true CN115570875A (en) | 2023-01-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211516123.1A Pending CN115570875A (en) | 2022-11-30 | 2022-11-30 | Portable large-format screen printing frame structure and screen stretching method |
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| CN (1) | CN115570875A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001277744A (en) * | 2000-03-30 | 2001-10-10 | Noritake Co Ltd | Screen platemaking |
| CN102700239A (en) * | 2012-06-21 | 2012-10-03 | 赵峰 | Flexible screen printing screen frame and application method thereof |
| CN204222359U (en) * | 2014-09-01 | 2015-03-25 | 昆山良品丝印器材有限公司 | A kind of high-efficiency photovoltaic crystalline silicon printing steel wire composite net version |
| CN104494323A (en) * | 2014-09-19 | 2015-04-08 | 天津创世汇天印刷有限公司 | Screen printing technology |
| CN107160825A (en) * | 2017-07-14 | 2017-09-15 | 武汉红金龙印务股份有限公司 | A kind of method for platemaking during sheet paper silk-screen printing |
| CN208180628U (en) * | 2018-05-18 | 2018-12-04 | 上海涂云家居饰品有限公司 | A kind of taut mount structure and the idler wheel layering device to match with the mount structure that stretches tight |
| CN110561887A (en) * | 2019-09-19 | 2019-12-13 | 中国电子科技集团公司第五十四研究所 | method for stretching high-precision composite screen printing plate for LTCC (Low temperature Co-fired ceramic) |
-
2022
- 2022-11-30 CN CN202211516123.1A patent/CN115570875A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001277744A (en) * | 2000-03-30 | 2001-10-10 | Noritake Co Ltd | Screen platemaking |
| CN102700239A (en) * | 2012-06-21 | 2012-10-03 | 赵峰 | Flexible screen printing screen frame and application method thereof |
| CN204222359U (en) * | 2014-09-01 | 2015-03-25 | 昆山良品丝印器材有限公司 | A kind of high-efficiency photovoltaic crystalline silicon printing steel wire composite net version |
| CN104494323A (en) * | 2014-09-19 | 2015-04-08 | 天津创世汇天印刷有限公司 | Screen printing technology |
| CN107160825A (en) * | 2017-07-14 | 2017-09-15 | 武汉红金龙印务股份有限公司 | A kind of method for platemaking during sheet paper silk-screen printing |
| CN208180628U (en) * | 2018-05-18 | 2018-12-04 | 上海涂云家居饰品有限公司 | A kind of taut mount structure and the idler wheel layering device to match with the mount structure that stretches tight |
| CN110561887A (en) * | 2019-09-19 | 2019-12-13 | 中国电子科技集团公司第五十四研究所 | method for stretching high-precision composite screen printing plate for LTCC (Low temperature Co-fired ceramic) |
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Application publication date: 20230106 |