CN111559185A - Curved surface screen printing method - Google Patents
Curved surface screen printing method Download PDFInfo
- Publication number
- CN111559185A CN111559185A CN202010428525.0A CN202010428525A CN111559185A CN 111559185 A CN111559185 A CN 111559185A CN 202010428525 A CN202010428525 A CN 202010428525A CN 111559185 A CN111559185 A CN 111559185A
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- China
- Prior art keywords
- printing
- screen
- workbench
- curved surface
- silk screen
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/12—Stencil printing; Silk-screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/08—Machines
- B41F15/0895—Machines for printing on curved surfaces not otherwise provided for
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/40—Inking units
- B41F15/42—Inking units comprising squeegees or doctors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/40—Printing on bodies of particular shapes, e.g. golf balls, candles, wine corks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2200/00—Printing processes
- B41P2200/40—Screen printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/10—Screen printing machines characterised by their constructional features
- B41P2215/12—Screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2215/00—Screen printing machines
- B41P2215/50—Screen printing machines for particular purposes
Abstract
The invention discloses a curved surface screen printing method, which comprises the following steps: placing the printing piece on a rotatable workbench below the silk screen; adjusting the angle of the workbench, and adjusting the relative position between the workbench and the silk screen to ensure that one end of the printing curved surface of the printing piece is fully contacted and tangent with one end of the bottom surface of the silk screen; the ink scraping knife extrudes the silk screen loaded with the printing ink and moves from one end of the silk screen contacted with the printing part to the other end; meanwhile, the workbench rotates and adjusts the relative position between the workbench and the screen, so that the printing curved surface of the printing piece is always contacted and tangent with the screen in the rotating process of the workbench, and the contact point of the screen and the printing curved surface is ensured to move synchronously along with the doctor blade. By the curved surface screen printing method, the printing ink can gradually penetrate through the screen to complete printing along the contour of the convex surface, the same effect similar to plane printing is achieved, and the applicable scope of the screen printing is wider.
Description
Technical Field
The invention relates to the technical field of screen printing, in particular to a curved surface screen printing method.
Background
The silk screen printing technology is that a silk screen is used as a plate base, a silk screen printing plate with pictures and texts is manufactured through a photosensitive plate making method, and then the patterns or the texts on the silk screen printing plate are printed on a printing piece; screen printing is commonly used for printing of plane type printing bearing pieces and printing of revolution surface type printing bearing pieces; further, there are a flat curved surface screen printing method for printing on a flat surface and a curved surface screen printing machine for printing on a curved surface of revolution, but printing on a convex printing material on a non-curved surface of revolution has not been possible by the screen printing method for the time being.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a curved surface screen printing method to realize screen printing on a convex surface.
The curved surface screen printing method provided by the embodiment of the invention comprises the following steps: placing the printing piece on a rotatable workbench below the silk screen; adjusting the angle of the workbench, and adjusting the relative position between the workbench and the silk screen to ensure that one end of the printing curved surface of the printing piece is fully contacted and tangent with one end of the bottom surface of the silk screen; the ink scraping knife extrudes the silk screen loaded with the printing ink and moves from one end of the silk screen contacted with the printing part to the other end; meanwhile, the workbench rotates and adjusts the relative position between the workbench and the screen, so that the printing curved surface of the printing piece is always contacted and tangent with the screen in the rotating process of the workbench, and the contact point of the screen and the printing curved surface is ensured to move synchronously along with the doctor blade.
The curved surface screen printing method provided by the embodiment of the invention at least has the following beneficial effects: through the in-process of carrying out the wiping printing at the ink scraping sword, the workstation rotates, and through the relative position between adjustment workstation and the silk screen, when making the workstation rotate, the printing curved surface of printing piece keeps in contact with the silk screen all the time, and the scraper removal is followed to the contact point, can gradually make printing ink see through the silk screen and accomplish the printing along the profile of convex surface on the printing curved surface of convex surface type, reach and be similar to the same effect of plane printing, thereby among the solution prior art, can't accomplish the problem of convex surface printing, make the applicable category of screen printing wider.
According to some embodiments of the invention, the table rotates and adjusts a relative position between the table and the screen, including: and the vertical distance between the rotating axis of the workbench and the silk screen is adjusted in real time along with the rotation of the workbench, and the horizontal position between the rotating axis of the workbench and the silk screen is adjusted in real time.
According to some embodiments of the invention, the vertical distance between the table rotation axis and the screen is adjusted by driving the table and/or the screen to move vertically.
According to some embodiments of the invention, the horizontal position between the table axis of rotation and the end of the screen is adjusted by driving the table and/or the screen to move horizontally.
According to some embodiments of the present invention, during the rotation of the worktable, the contact points of the lower screen with the curved printing surface at the time t1 are D1 and D1, respectively, the contact points of the lower screen with the curved printing surface at the time t2 are D2 and D2, respectively, the distance between D1 and D2 on the screen is L, the length of the contour line between D1 and D2 on the curved printing surface is M, and it is ensured that L is always equal to M.
According to some embodiments of the invention, the substrate is fixed to the table by vacuum suction.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic view of a print substrate initially placed on a platen;
FIG. 2 is a schematic view of the structure in which one end of the substrate contacts one end of the screen tangentially and printing commences;
FIG. 3 is a schematic view of the arrangement of the printing member with the central portion thereof in contact with the screen at a tangent line and printing;
FIG. 4 is a schematic view of the printing element with the rear portion of the element in contact with the screen and printing;
FIG. 5 is a schematic view of the other end of the substrate in contact with the screen tangentially and completing printing;
fig. 6 shows the contact points on the lower screen and the contact points on the substrate at times t1 and t 2.
Reference numerals:
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the positional descriptions, such as the directions of up, down, front, rear, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular direction, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
A curved surface screen printing method according to an embodiment of the present invention is described below with reference to fig. 1 to 6.
As shown in fig. 1 to 5, the curved surface screen printing method according to the embodiment of the present invention includes the steps of: placing the print bearing 10 on a rotatable table 40 beneath the screen 20; adjusting the angle of the workbench 40, and adjusting the relative position between the workbench 40 and the silk screen 20, so that one end of the printing curved surface of the printing element 10 is fully contacted and tangent with one end of the bottom surface of the silk screen 20; the doctor blade 30 presses the screen 20 carrying the ink and moves from one end of the screen 20 in contact with the printing material 10 to the other end; meanwhile, the workbench 40 rotates and adjusts the relative position between the workbench 40 and the screen 20, so that the printing curved surface of the printing element 10 is always contacted and tangent with the screen 20 in the rotating process of the workbench 40, and the contact point of the screen 20 and the printing curved surface is ensured to move synchronously along with the doctor blade 30.
By rotating the table 40 during the ink scraping printing process by the doctor blade 30 and by adjusting the relative position between the table 40 and the screen 20, the printing curved surface of the printing material 10 is always kept in contact with the screen 20 when the table 40 rotates, and the contact point moves along with the doctor blade 30, so that the printing of the ink through the screen 20 can be completed gradually along the contour of the convex surface on the printing curved surface of the convex surface type.
In some embodiments of the present invention, the table 40 rotates and adjusts the relative position between the table 40 and the screen 20, including: as the table 40 rotates, the vertical distance between the table rotation axis 410 and the screen 20 is adjusted in real time, and the horizontal position between the table rotation axis 410 and the end of the screen 20 is adjusted in real time.
Specifically, the vertical distance between the table rotation axis 410 and the screen 20 can be adjusted by driving the table 40 to perform vertical movement; of course, in other embodiments, the manner of driving the screen 20 to move vertically or the manner of driving the table 40 or the screen 20 to move vertically at the same time may be selected; when the vertical movement is performed by driving the screen 20, it is necessary to drive the doctor blade 30, the doctor plate, and the like, which constitute parts of the screen printing mechanism together with the screen 20, to perform the vertical movement together in synchronization.
Specifically, the horizontal position between the table rotation axis 410 and the screen 20 can be adjusted by driving the table 40 to perform horizontal movement (parallel to the doctor blade movement direction); of course, in other embodiments, the screen 20 may be driven to move horizontally, or the table 40 or the screen 20 may be driven to move horizontally; when the screen 20 is driven to move horizontally, the doctor blade 30, the doctor plate, and the like are driven to form a component of the screen printing mechanism together with the screen 20, and move horizontally in synchronization, and of course, the doctor blade 30 also needs to independently complete the ink scraping operation from one end of the screen 20 to the other end.
According to some embodiments of the present invention, during the rotation of the table 40, the contact points of the lower screen 20 and the printing curved surface at the time t1 are D1 and D1, respectively, the contact points of the lower screen 20 and the printing curved surface at the time t2 are D2 and D2, respectively, the distance between D1 and D2 on the screen 20 is L, the length of the contour line between D1 and D2 on the printing curved surface is M, and it is ensured that L is always equal to M. By ensuring that the distance L between D1 and D2 on the screen 20 is always equal to the contour length M between D1 and D2 on the printing curved surface, the pattern on the screen 20 can be printed on the printing curved surface without being compressed or stretched, thereby avoiding the deformation or distortion of the image on the printing curved surface and further ensuring the printing effect.
Referring to fig. 6, according to some embodiments of the present invention, the printing material 10 is fixed to the table 40 by vacuum suction in order to facilitate fixing and positioning and also to facilitate removal of the printing material 10 from the table 40.
A curved surface screen printing method according to an embodiment of the present invention will be described in detail in one specific embodiment with reference to fig. 1 to 6. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
The curved surface screen printing method of the embodiment comprises the following steps: referring to fig. 1, a printing material 10 is fixed on a rotatable table 40 under a screen 20 by vacuum adsorption; referring to fig. 2, the angle of the table 40 is adjusted by rotating the table 40, and then the position of the table 40 relative to the screen 20 is adjusted by driving the table 40 to move along a first track in the vertical direction and cooperatively driving the table 40 to move along a second track in the horizontal direction (parallel to the direction of movement of the doctor blade), and finally the end of the printing curved surface of the printing material 10 is brought into full contact and tangent with the end of the bottom surface of the screen 20; referring to fig. 2 to 5, the doctor blade 30 descends and presses the screen 20 carrying the ink, and then moves from one end of the screen 20 contacting the printing material 10 to the other end; meanwhile, the workbench 40 rotates, and the relative position between the workbench 40 and the screen 20 is adjusted by driving the workbench 40 to synchronously and coordinately move along the first track in the vertical direction and the second track in the horizontal direction in real time, so that the printing curved surface of the printing piece 10 is always contacted and tangent with the screen 20, and the contact point of the screen 20 and the printing curved surface is ensured to synchronously move along with the doctor blade 30, thereby printing ink on the printing curved surface gradually penetrates through the screen 20 along the contour of the printing curved surface to finish printing.
In order to avoid pattern deformation, in the rotation process of the workbench 40, at any time t1, the contact points of the silk screen 20 and the printing curved surface are respectively D1 and D1; at time t2, except time t1, the contact points D2 and D2 of the screen 20 with the printing curved surface; the distance between D1 and D2 on the screen 20 is L, the length of the contour line between D1 and D2 on the printing curved surface is M, and L is always ensured to be equal to M.
According to the curved screen 20 printing method of the embodiment of the invention, at least some of the following effects can be achieved by the arrangement:
in the process of scraping and printing by the doctor blade 30, the workbench 40 is rotated, and the relative position between the workbench 40 and the screen 20 is adjusted, so that when the workbench 40 rotates, the printing curved surface of the printing part 10 is always kept in contact with the screen 20, and the contact point moves along with the doctor blade 30, namely, ink can gradually penetrate through the screen 20 to complete printing on the convex printing curved surface along the contour of the convex surface, and the same effect similar to plane printing is achieved, so that the problem that convex surface printing cannot be completed in the prior art is solved, and the applicable scope of printing by the screen 20 is wider. Moreover, by ensuring that the distance L between D1 and D2 on the screen 20 is always equal to the contour length M between D1 and D2 on the printing curved surface, the pattern on the screen 20 can be printed on the printing curved surface without being compressed or stretched, thereby avoiding the deformation distortion of the image on the printing curved surface and further ensuring the printing effect.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "specifically," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (6)
1. A curved surface screen printing method is characterized by comprising the following steps:
placing the printing piece on a rotatable workbench below the silk screen;
adjusting the angle of the workbench, and adjusting the relative position between the workbench and the silk screen to ensure that one end of the printing curved surface of the printing piece is fully contacted and tangent with one end of the bottom surface of the silk screen;
the ink scraping knife extrudes the silk screen loaded with the printing ink and moves from one end of the silk screen contacted with the printing part to the other end; meanwhile, the workbench rotates and adjusts the relative position between the workbench and the screen, so that the printing curved surface of the printing piece is always contacted and tangent with the screen in the rotating process of the workbench, and the contact point of the screen and the printing curved surface is ensured to move synchronously along with the doctor blade.
2. The curved screen printing method according to claim 1, wherein the rotation of the table and the adjustment of the relative position between the table and the screen comprise: and the vertical distance between the rotating axis of the workbench and the silk screen is adjusted in real time along with the rotation of the workbench, and the horizontal position between the rotating axis of the workbench and the silk screen is adjusted in real time.
3. The curved screen printing method according to claim 2, wherein: the vertical distance between the rotation axis of the workbench and the silk screen is adjusted by driving the workbench and/or the silk screen to vertically move.
4. The curved screen printing method according to claim 2, wherein: the horizontal position between the rotation axis of the workbench and the silk screen is adjusted by driving the workbench and/or the silk screen to horizontally move.
5. The curved screen printing method according to any one of claims 1 to 4, wherein: in the rotating process of the workbench, contact points of the lower screen and the printing curved surface at the time of t1 are respectively D1 and D1, contact points of the lower screen and the printing curved surface at the time of t2 are respectively D2 and D2, the distance between D1 and D2 on the screen is L, the length of a contour line between D1 and D2 on the printing curved surface is M, and L is always equal to M.
6. The curved screen printing method according to any one of claims 1 to 4, wherein: the printing piece is fixed on the workbench in a vacuum adsorption mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428525.0A CN111559185A (en) | 2020-05-20 | 2020-05-20 | Curved surface screen printing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010428525.0A CN111559185A (en) | 2020-05-20 | 2020-05-20 | Curved surface screen printing method |
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| CN111559185A true CN111559185A (en) | 2020-08-21 |
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| CN202010428525.0A Pending CN111559185A (en) | 2020-05-20 | 2020-05-20 | Curved surface screen printing method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112937086A (en) * | 2021-02-23 | 2021-06-11 | 刘佳鑫 | High-efficient paper printing apparatus |
| CN114347639A (en) * | 2021-12-31 | 2022-04-15 | 宜宾轩驰智能科技有限公司 | Curved glass screen printing method |
| CN114654870A (en) * | 2022-04-21 | 2022-06-24 | 圣奥科技股份有限公司 | Silk-screen production line for curved-surface back plate of office furniture |
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| CN108349236A (en) * | 2015-11-14 | 2018-07-31 | 株式会社村上开明堂 | Method for printing screen and its device |
| US20180264800A1 (en) * | 2015-11-18 | 2018-09-20 | Asahi Glass Company, Limited | Curved-surface screen-printing device, curved-surface screen-printing method, and production method for substrate having printing layer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112937086A (en) * | 2021-02-23 | 2021-06-11 | 刘佳鑫 | High-efficient paper printing apparatus |
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| CN114347639A (en) * | 2021-12-31 | 2022-04-15 | 宜宾轩驰智能科技有限公司 | Curved glass screen printing method |
| CN114347639B (en) * | 2021-12-31 | 2023-09-19 | 宜宾轩驰智能科技有限公司 | Curved glass printing method |
| CN114654870A (en) * | 2022-04-21 | 2022-06-24 | 圣奥科技股份有限公司 | Silk-screen production line for curved-surface back plate of office furniture |
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