CN112817209A - Embossing equipment capable of realizing special-shaped curved surface embossing and using method - Google Patents
Embossing equipment capable of realizing special-shaped curved surface embossing and using method Download PDFInfo
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- CN112817209A CN112817209A CN202011606994.3A CN202011606994A CN112817209A CN 112817209 A CN112817209 A CN 112817209A CN 202011606994 A CN202011606994 A CN 202011606994A CN 112817209 A CN112817209 A CN 112817209A
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- 238000000034 method Methods 0.000 title claims abstract description 13
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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Abstract
The invention discloses an imprinting device capable of realizing special-shaped curved surface imprinting and a using method thereof, which solve the problem that the imprinting device in the prior art can only realize plane imprinting, have the beneficial effects of wide application range and realization of complex curved surface imprinting, and have the following specific schemes: an embossing device capable of realizing special-shaped curved surface embossing comprises a plurality of infinitesimal pressing plates, wherein the infinitesimal pressing plates are arranged in a plurality of rows and a plurality of rows, and two adjacent infinitesimal pressing plates are arranged at a set interval or can be in contact arrangement; and each infinitesimal pressure plate is connected with the driving mechanism, or all infinitesimal pressure plates are connected with the driving mechanism through elastic pieces.
Description
Technical Field
The invention relates to the technical field of imprinting, in particular to imprinting equipment capable of realizing special-shaped curved surface imprinting and a using method thereof.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The process of pressing relief patterns or characters on the surface of a part is called impressing, wherein the thickness of a plate is changed under the action of a die. However, the current stamping technology mainly aims at plane stamping, cannot stamp complex curved surfaces, cannot process the plane and the curved surfaces simultaneously, and is limited in working range.
The uv imprint process is to load the monomer coated substrate and the transparent stamp into an alignment machine and fix them on respective chucks under a vacuum environment. Contact imprinting begins when the optical alignment of the substrate and stamp is complete. Ultraviolet exposure through the stamp causes the polymer in the imprinted region to polymerize and solidify. Compared with the hot stamping technology, the ultraviolet stamping has lower requirement on the environment, is simple to operate, and can be carried out only at room temperature and low pressure, thereby greatly shortening the production period and simultaneously reducing the abrasion of the stamp.
Similarly, the current ultraviolet imprinting equipment cannot precisely imprint the micro-nano structure array on the special-shaped curved surface, and cannot process a plane and various special-shaped curved surfaces simultaneously, so that the application range of the ultraviolet imprinting technology is limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, not only can plane imprinting be realized, but also the imprinting can be realized on the special-shaped curved surface, and the application range of the imprinting equipment is enlarged.
In order to achieve the purpose, the invention is realized by the following technical scheme:
an embossing device capable of realizing special-shaped curved surface embossing comprises a plurality of infinitesimal pressing plates, wherein the infinitesimal pressing plates are arranged in a plurality of rows and a plurality of rows, and two adjacent infinitesimal pressing plates are arranged at a set interval or can be in contact arrangement; and each infinitesimal pressure plate is connected with the driving mechanism, or all infinitesimal pressure plates are connected with the driving mechanism through elastic pieces.
According to the stamping equipment, the micro-element pressing plates can move respectively and respectively stamp the workpieces through the arrangement of the micro-element pressing plates; or under the action of the driving mechanism, the micro element pressing plate can be adaptively changed with the workpiece due to the arrangement of the elastic piece, so that not only can plane imprinting be realized, but also complex curved surface imprinting can be realized.
According to the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, the plurality of the infinitesimal pressing plates are arranged in the box body through the driving mechanism, and the box body is internally provided with the object stage for supporting the mold and the workpiece.
According to the imprinting equipment capable of realizing imprinting of the special-shaped curved surface, the ultraviolet lamp is arranged below the object stage of the box body, the object stage is made of the light-transmitting material, and ultraviolet light emitted by the ultraviolet lamp irradiates a workpiece through the object stage.
According to the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, the push-pull plate is arranged between the ultraviolet lamp and the objective table in the box body, the push-pull plate can realize sliding movement relative to the box body, and the push-pull plate is arranged to shield the ultraviolet light after the imprinting of the workpiece is finished, so that the damage caused by repeatedly opening and closing the ultraviolet lamp can be avoided;
or the push-pull plate can partially transmit light to realize the penetration of ultraviolet light, and partially does not transmit light to realize the shielding of the ultraviolet light.
According to the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, one side, close to the objective table, of the infinitesimal pressing plate is an arc surface, and the arc surface can be better attached to the special-shaped curved surface compared with a plane.
The stamping device capable of realizing the special-shaped curved surface stamping is characterized in that the infinitesimal pressing plate is cylindrical or plate-shaped, namely the infinitesimal pressing plate has a set height.
According to the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, the box body is provided with the temperature sensor below the objective table, the temperature sensor is connected with the controller, and the controller is connected with the driving mechanism;
the box sets up exhaust mechanism, and exhaust mechanism is connected with the controller, and exhaust mechanism in the box starts when temperature sensor detects the internal high temperature of box, and exhaust mechanism stop motion after the temperature reduces in time dispels the heat to the box.
According to the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface, the driving mechanism is a pneumatic rod, and each infinitesimal pressing plate is driven by the pneumatic rod respectively; or all the micro-element pressing plates are driven by the air pressure rods simultaneously, and the self-adaption of the micro-element pressing plates and the workpiece is realized due to the arrangement of the elastic piece.
According to the imprinting equipment capable of realizing imprinting of the special-shaped curved surface, in other schemes, the driving mechanism comprises the magnet and the electromagnetic driving part arranged at the top of the box body, the infinitesimal pressing plate is fixedly connected with the magnet, the magnet is connected with the telescopic rod, and the electromagnetic driving part corresponds to the magnet one to one.
In a second aspect, the invention further provides a use method of the imprinting apparatus, which can realize the imprinting of the special-shaped curved surface, and the use method includes the following steps:
arranging a die and a workpiece on an objective table;
the ultraviolet lamp is turned on, and ultraviolet light emitted by the ultraviolet lamp irradiates the workpiece;
the driving mechanism drives part or all of the micro element pressing plates to move towards the workpiece to imprint the workpiece;
and after the imprinting is finished, shielding the ultraviolet lamp, and continuing to perform the imprinting work.
The beneficial effects of the invention are as follows:
1) according to the invention, by arranging the plurality of infinitesimal pressing plates, the infinitesimal pressing plates can respectively move and respectively stamp workpieces, so that the uniformity of large-area pressure is ensured, and pressure Gaussian distribution (large middle pressure and small edge pressure) formed by the whole pressing plate is avoided; or under the action of the driving mechanism, the micro element pressing plate can be adaptively changed with the workpiece due to the arrangement of the elastic piece, so that not only can plane imprinting be realized, but also complex curved surface imprinting can be realized.
2) The invention can effectively overcome the defect that the conventional stamping equipment can not press a complete and clear micro array structure on a special-shaped curved surface structure by arranging a plurality of infinitesimal press plates, can stamp a plurality of workpieces with different curved surfaces or planes simultaneously, and has wider equipment application range and high working efficiency.
3) According to the invention, the push-pull plate can realize sliding movement relative to the box body through the arrangement of the push-pull plate, and after the workpiece is stamped, the push-pull plate can shield ultraviolet light, so that the damage caused by repeatedly opening and closing the ultraviolet lamp can be avoided.
4) The invention can drive a plurality of infinitesimal pressure plates to move respectively or drive a plurality of infinitesimal pressure plates to move simultaneously by arranging the air pressure rod; or the driving of the infinitesimal pressing plate is realized through the matching of the electromagnetic driving part and the magnet, the structure of the device can be effectively simplified, the more accurate control of the pressure is realized, and the equipment cost is fully controlled.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic diagram of an imprinting apparatus capable of imprinting a specially-shaped curved surface according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a micro-element pressing plate pressing a workpiece when the workpiece is a plane in an imprinting apparatus capable of imprinting a specially-shaped curved surface according to an embodiment of the present invention.
Fig. 3 is a partially enlarged view of a micro-element pressing plate pressing a workpiece when the workpiece has a convex surface in an imprinting apparatus capable of imprinting a specially-shaped curved surface according to an embodiment of the present invention.
Fig. 4 is a partially enlarged view of a micro-element pressing plate pressing a workpiece when the workpiece is triangular in an imprinting apparatus capable of imprinting a special-shaped curved surface according to an embodiment of the present invention.
Fig. 5 is a partially enlarged view of the micro-element pressing plate pressing the workpiece when the workpiece is in a convex shape in the pressing apparatus capable of pressing the irregular curved surface according to the first embodiment of the present invention.
Fig. 6 is a schematic diagram of the operation of an imprinting apparatus capable of imprinting a specially-shaped curved surface according to a second embodiment of the present invention.
Fig. 7 is a schematic diagram of the stamping of the micro-element platen on the workpiece when the workpiece of the stamping device capable of stamping the special-shaped curved surface is a plane in the second embodiment of the invention.
Fig. 8 is a schematic diagram of imprinting the workpiece by the micro-element platen when the workpiece of the imprinting apparatus for imprinting the irregular curved surface has concave and convex surfaces according to the second embodiment of the present invention.
Fig. 9 is a schematic view of a micro-element pressing plate pressing a workpiece when the workpiece has a convex surface in an imprinting apparatus capable of imprinting a special-shaped curved surface according to a second embodiment of the present invention.
Fig. 10 is a first schematic view of an imprinting apparatus capable of imprinting a specially-shaped curved surface according to a second embodiment of the present invention, which is used for simultaneously imprinting a plurality of workpieces.
Fig. 11 is a second schematic view of an imprinting apparatus capable of imprinting a plurality of workpieces simultaneously according to a second embodiment of the present invention.
In the figure: the spacing or dimensions between each other are exaggerated to show the location of the various parts, and the schematic is shown only schematically.
Wherein: 100-micro element pressing plate; 110-a box body; 120-a temperature sensor; 130-a windbox; 140-pneumatic rod; 150-stage; 160-a push-pull plate; 170-ultraviolet lamp; 180-an electromagnetic drive; 190-a magnet; 200-exhaust fan.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with the directions of up, down, left and right of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.
Term interpretation section: the terms "mounted," "connected," "fixed," and the like in the present invention are to be understood in a broad sense, and for example, the terms "mounted," "connected," and "fixed" may be fixed, detachable, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As described in the background art, the problem that the irregular curved surface cannot be imprinted in the prior art exists, and in order to solve the technical problem, the invention provides an imprinting device capable of imprinting the irregular curved surface and a use method thereof.
Example one
In a typical embodiment of the present invention, an imprinting apparatus capable of implementing imprinting of a special-shaped curved surface includes a plurality of micro-element pressing plates 100, wherein the plurality of micro-element pressing plates 100 are arranged in a plurality of rows and a plurality of columns, and two adjacent micro-element pressing plates 100 are arranged at a set interval, or when the micro-element pressing plates are arranged at equal heights, the two adjacent micro-element pressing plates are arranged in a contacting manner; and each infinitesimal pressure plate is connected with the driving mechanism, or all infinitesimal pressure plates are connected with the driving mechanism through elastic pieces.
Wherein the size of the micro-element pressing plate is selected according to the object to be pressed, for example, the size of the micro-element pressing plate is relatively enlarged and can be 3-5mm for a larger workpiece such as a wing plate of an airplane; the number of the micro-element pressing plates is preferably 30-200, even more, and the micro-element pressing plates can be more suitable for imprinting of the special-shaped curved surface.
Further, in the present embodiment, referring to fig. 1, a plurality of micro-element pressing plates are mounted in a housing 110 by a driving mechanism, and a stage for supporting a mold and a workpiece is provided in the housing 110.
For the ultraviolet imprinting equipment, the box body 110 is provided with a plurality of ultraviolet lamps 170 below the object stage 150, and the ultraviolet lamps 170 are arranged in a rectangular, such as square, close arrangement; the objective table is the printing opacity material, and the light transmissivity is better, and the ultraviolet ray of ultraviolet lamp transmission shines the work piece through the objective table.
Further, a push-pull plate 160 is arranged between the ultraviolet lamp and the object stage in the box body 110, the push-pull plate can be a steel plate, the push-pull plate can realize sliding movement relative to the box body, and through the arrangement of the push-pull plate, after the workpiece is stamped, the push-pull plate can shield the ultraviolet lamp, so that damage caused by repeatedly opening and closing the ultraviolet lamp can be avoided.
Particularly, the two side walls in the box body are respectively provided with the sliding grooves, the pushing plate can be supported through the sliding grooves, and the pushing plate can move relative to the side walls of the box body.
Wherein, the side of infinitesimal clamp plate near objective table 150 is the arc surface, and the arc surface can be better laminated with special-shaped curved surface than the plane.
It will be appreciated that the micro-element press plate is of a cylindrical or plate shape, i.e. the micro-element press plate has a set height.
Certainly, the cross sections of the upper half section and the middle part of the infinitesimal pressing plate are square, hexagonal, triangular or circular, wherein the infinitesimal pressing plate in the shape of an equilateral triangle, a square or a hexagon is higher in the fitting degree of the workpiece, the stress is uniform, and the infinitesimal pressing plate can be better fitted with the workpiece.
When the cross sections of the upper half section and the middle part of the infinitesimal pressing plate are hexagonal, the two adjacent rows of infinitesimal pressing plates are arranged in a staggered mode to ensure the impressing effect.
Specifically, in some examples, the box 110 is provided with a temperature sensor 120 below the stage, the temperature sensor 120 is connected with a controller, and the controller is connected with a driving mechanism;
the box sets up exhaust mechanism, and exhaust mechanism is connected with the controller, and exhaust mechanism in the box starts when temperature sensor detects the internal high temperature of box, and exhaust mechanism stop operation after the temperature reduces to 30 ℃, in time dispels the heat to the box.
The controller may be a PLC controller or other type of controller.
Of course, the exhaust mechanism is the exhaust fan 200, the exhaust fan 200 can be provided in plural, the plural exhaust fans are disposed in the air box 130, and the plural exhaust fans are disposed at different heights of the box body and are respectively disposed at the side portions of the ultraviolet lamp and the driving mechanism.
In the implementation, the driving mechanism is the air pressure rod 140, the air pressure rod 140 drives each infinitesimal pressure plate respectively, the supporting force of the air pressure rod in the whole working stroke is constant, and the driving mechanism has a buffer mechanism, avoids in-place impact, and has the advantages of convenience in installation, safety in use and the like;
or, all the infinitesimal pressing plates are driven by the air pressure rod at the same time, the telescopic end of the air pressure rod is connected with all the infinitesimal pressing plates at the same time through the connecting plate, and the self-adaptation of the infinitesimal pressing plates and the workpiece is realized due to the arrangement of the elastic piece; the elastic part is a compression spring, so that the stamping effect can be effectively ensured.
Example two
The difference between the present embodiment and the first embodiment is:
the driving mechanism comprises a magnet and an electromagnetic driving piece arranged at the top of the box body, the infinitesimal pressing plate is fixedly connected with the magnet, the magnet is connected with the telescopic rod, the electromagnetic driving piece is in one-to-one correspondence with the magnet, the sectional area of the magnet is the same as that of the infinitesimal pressing plate, and the infinitesimal pressing plate is driven to be pressed on the die and form a micro-nano structure on the surface of a material through electromagnetic force generated by an electromagnetic.
It should be noted that the telescopic link can be many bone sections telescopic link, and the top of telescopic link is fixed by the box, and the box plays limiting displacement to the moving direction of telescopic link.
In this embodiment, the infinitesimal pressure plate is cylindrical and has a higher height, so that the magnet 190 is conveniently mounted on the top of the infinitesimal pressure plate; an electromagnetic driving part is arranged at the top in the box body, as shown in fig. 6, the electromagnetic driving part 180 can be powered on like an electromagnetic coil, a magnetic field is generated under the power-on condition, the infinitesimal pressing plate 100 descends and presses the mold and the material on the objective table under the action of magnetic field repulsion force to form a micro-nano concave structure, and the micro-nano concave structure can be applied to surface enhanced raman detection; after the time is set, the direction of the current of the electromagnetic coil is changed to form reverse magnetic field force, and the micro element pressing plate rises and returns.
It should be explained that, referring to fig. 2-5 and fig. 7-11, the workpiece with the special-shaped curved surface can be a structural member with a spherical surface, a concave surface, a convex surface, or a triangular, trapezoidal or wavy cross section; the imprinting equipment capable of realizing the imprinting of the special-shaped curved surface can be applied to the processing of functional micro-nano structures such as drag reduction, ice prevention/removal, stealth and the like on the surfaces of special-shaped parts such as aerospace vehicles, submarines, high-speed rails, ships and the like.
EXAMPLE III
The difference between this embodiment and the first embodiment is:
the push-pull plate is partially transparent and partially opaque, and then the temporary suspension of the irradiation of the ultraviolet lamp (the opaque part is aligned with the ultraviolet lamp) is realized by the push-pull plate when the sample piece is switched without repeatedly switching on and off the ultraviolet lamp.
For example, the ultraviolet lamp is arranged on the inner side of the box body, the width of the push-pull plate is smaller than that of the box body, the inner side of the push-pull plate is opaque, the outer side of the push-pull plate is transparent, the transparent part of the push-pull plate is positioned above the ultraviolet lamp in a normal state, and the push-pull plate is moved towards the inner side of the box body to cover the ultraviolet lamp when the pause is needed.
Example four
The embodiment provides a use method of the imprinting apparatus capable of imprinting the irregularly-shaped curved surface, which includes the following steps:
arranging a die and a workpiece on the objective table, wherein the die is arranged above the workpiece;
the ultraviolet lamp is turned on, and ultraviolet light emitted by the ultraviolet lamp irradiates the workpiece;
the driving mechanism drives part or all of the micro element pressing plates to move towards the workpiece to imprint the workpiece;
after the imprinting is finished, the pushing plate can be pushed to shield the ultraviolet lamp, and the imprinting work is continued.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The imprinting equipment capable of realizing the imprinting of the special-shaped curved surface is characterized by comprising a plurality of infinitesimal pressing plates, wherein the infinitesimal pressing plates are arranged in a plurality of rows and a plurality of columns, and two adjacent infinitesimal pressing plates are arranged at a set interval or can be in contact with each other; and each infinitesimal pressure plate is connected with the driving mechanism, or all infinitesimal pressure plates are connected with the driving mechanism through elastic pieces.
2. An imprinting apparatus according to claim 1, wherein the plurality of micro-element pressing plates are mounted in a housing through the driving mechanism, and a stage for supporting the mold and the workpiece is disposed in the housing.
3. An imprinting apparatus according to claim 2, wherein the chamber has an ultraviolet lamp disposed under the stage, and the stage is made of a transparent material.
4. An embossing device capable of embossing a special-shaped curved surface according to claim 3, wherein a push-pull plate is arranged between the ultraviolet lamp and the objective table in the box body, and the push-pull plate can realize sliding movement relative to the box body;
alternatively, a portion of the push-pull plate may be transparent to ultraviolet light.
5. An imprinting apparatus according to claim 2, wherein a side of the micro-element pressing plate close to the stage is a circular arc.
6. An embossing apparatus for realizing irregularly-shaped curved surface embossing as claimed in claim 1, wherein said micro-element pressing plate is cylindrical or plate-shaped.
7. An imprinting apparatus capable of imprinting a specially-shaped curved surface according to claim 2, wherein a temperature sensor is arranged below the object stage in the box body, the temperature sensor is connected with a controller, and the controller is connected with the driving mechanism;
the box body is provided with an air exhaust mechanism, and the air exhaust mechanism is connected with the controller.
8. An embossing apparatus for embossing a profiled curved surface as claimed in claim 1, wherein the driving mechanism is a pneumatic rod.
9. An embossing device capable of embossing a special-shaped curved surface according to claim 2, wherein the driving mechanism comprises a magnet and an electromagnetic driving member arranged at the top of the box body, the infinitesimal pressing plate is fixedly connected with the magnet, the magnet is connected with the telescopic rod, and the electromagnetic driving member corresponds to the magnet one to one.
10. The use method of the imprinting equipment capable of realizing the special-shaped curved surface imprinting according to any one of claims 3 or 4, is characterized by comprising the following steps:
arranging a die and a workpiece on an objective table;
the ultraviolet lamp is turned on, and ultraviolet light emitted by the ultraviolet lamp irradiates the workpiece;
the driving mechanism drives part or all of the micro element pressing plates to move towards the workpiece to imprint the workpiece; and after the imprinting is finished, shielding the ultraviolet lamp, and continuing to perform the imprinting work.
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| CN202011606994.3A CN112817209B (en) | 2020-12-28 | 2020-12-28 | Stamping equipment capable of realizing special-shaped curved surface stamping and using method |
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| CN202011606994.3A CN112817209B (en) | 2020-12-28 | 2020-12-28 | Stamping equipment capable of realizing special-shaped curved surface stamping and using method |
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| CN112817209B CN112817209B (en) | 2024-09-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116141013A (en) * | 2023-04-18 | 2023-05-23 | 沧州北方散热器股份有限公司 | Special-shaped workpiece punching and tapping device |
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