CN210702560U - Printing equipment - Google Patents
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- CN210702560U CN210702560U CN201921188595.2U CN201921188595U CN210702560U CN 210702560 U CN210702560 U CN 210702560U CN 201921188595 U CN201921188595 U CN 201921188595U CN 210702560 U CN210702560 U CN 210702560U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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Abstract
The embodiment of the utility model provides an in disclose a printing apparatus relates to vibration material disk and makes technical field. The printing apparatus includes: a heating member for controlling a surface temperature of the substrate; the feeding part is used for controlling the feeding of the printing silk material towards the printing substrate; the moving component is used for controlling the relative movement between the printing substrate and the printing silk material; wherein the surface temperature comprises a first surface temperature that is not less than a melting temperature of the printing filament material such that the printing filament material melts upon contact with the substrate. The embodiment of the utility model provides an in reach the melting temperature of printing silk material through the surface temperature of control printing substrate, make the printing silk material just can be melted after contacting the printing substrate to form through the relative movement between printing silk material and the printing substrate and print the pattern, this method has avoided melting in advance and has caused the uncontrollable problem of the form instability of melting thick liquids easily.
Description
Technical Field
The invention belongs to the technical field of additive manufacturing, and particularly relates to printing equipment.
Background
Printing technology has been widely paid attention to in all the world since the date of its development as the mainstream technology of additive manufacturing, but its application degree still is very limited from now on, this is mainly that its printing precision can't satisfy present industrial demand, and the object manufactured through printing technology often needs follow-up complicated processing to repair the burr, and whole process is with high costs, repair process is complicated loaded down with trivial details.
At present, printing apparatuses basically melt a printing material into a molten paste in advance in a melting manner such as a heating wire, a laser, an arc, etc., and then eject the molten paste onto a substrate surface at a certain ejection speed; alternatively, the molten slurry is dropped onto the surface of the base material as it is by free fall, and the molten slurry is solidified on the surface of the base material in a short time, whereby the printing and molding are performed on the surface of the base material.
In the above process, after the printing material is melted into the molten paste, the form of the molten paste is unstable and uncontrollable, and may be deformed under the influence of gravity or other factors, and at the moment when the molten paste contacts the surface of the substrate, the impact force thereof also easily causes further deformation of the molten paste, and these unstable defects are difficult to eliminate, that is, the important reason why the printing accuracy of the printing apparatus has a big problem.
Disclosure of Invention
In view of the above, an object of the present invention is to provide a printing apparatus to solve the problem of poor printing accuracy in the prior art.
In some illustrative embodiments, the printing apparatus comprises: a heating member for controlling a surface temperature of the substrate; the feeding part is used for controlling the feeding of the printing silk material towards the printing substrate; the moving component is used for controlling the relative movement between the printing substrate and the printing silk material; wherein the surface temperature comprises a first surface temperature that is not less than a melting temperature of the printing filament material such that the printing filament material melts upon contact with the substrate.
In some optional embodiments, the heating component is a heating stage on which the substrate is placed.
In some optional embodiments, the heating component is configured to control a local area of the substrate in contact with the printing filament to reach a first surface temperature.
In some optional embodiments, the heating component and the feeding component are respectively linked with the moving component, are positioned on two sides of the printing substrate, and move in a mirror image mode by taking the printing substrate as a middle surface under the driving of the moving component, so that the heating component and a local area where the printing substrate is contacted with the printing silk material are always opposite.
In some optional embodiments, the moving member is a first moving member; the heating component is a laser light source and irradiates a local area where the printing substrate is contacted with the printing silk material to form a heating light spot; the printing apparatus, further comprising: and the second moving part is used for controlling the heating light spot of the heating part to always fall on a local area where the printing substrate is contacted with the printing silk material.
In some optional embodiments, the heating component and the feeding component are positioned on the same side of the printing substrate, and the heating component obliquely irradiates the printing substrate to form the heating light spot.
In some optional embodiments, the feeding component is configured to control feeding of the printing filament material perpendicular to the substrate.
In some alternative embodiments, the printed screen material is a low melting point metal that is solid at room temperature.
In some alternative embodiments, the substrate comprises a planar substrate and a three-dimensional volumetric substrate.
Another object of the present invention is to provide a printing method to solve the problems of the prior art.
In some illustrative embodiments, the printing method comprises: before or at the same time when the printing silk material contacts the printing substrate, the printing substrate or a local area of the printing substrate contacting the printing silk material reaches a first surface temperature which is not lower than the melting temperature of the printing silk material, so that the printing silk material contacting the printing substrate is melted and attached to the local area, and a printing pattern is formed through the relative movement between the printing silk material and the printing substrate.
Compared with the prior art, the invention has the following advantages:
in the embodiment of the invention, the surface temperature of the printing substrate is controlled to reach the melting temperature of the printing silk material, so that the printing silk material can be melted only after contacting the printing substrate, and the printing pattern is formed by the relative movement between the printing silk material and the printing substrate, and the method avoids the problem that the form of the molten slurry is unstable and uncontrollable due to the fact that the melting silk material is melted in advance; furthermore, the production process of the printing silk material in the prior art is quite mature, so that the accuracy of the specification and the size of the printing silk material is extremely high, and the printing accuracy of the printing equipment in the embodiment of the invention is further ensured.
Drawings
Fig. 1 is a first structural example of a printing apparatus in the embodiment of the present invention;
FIG. 2 is a second structural example of a printing apparatus in the embodiment of the present invention;
FIG. 3 is a third structural example of a printing apparatus in the embodiment of the present invention;
fig. 4 is a structural example four of the printing apparatus in the embodiment of the present invention;
fig. 5 is a structural example five of the printing apparatus in the embodiment of the present invention;
fig. 6 is a configuration example six of the printing apparatus in the embodiment of the present invention;
fig. 7 is a seventh structural example of the printing apparatus in the embodiment of the present invention.
Detailed Description
The following description and the drawings sufficiently illustrate specific embodiments of the invention to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of embodiments of the invention encompasses the full ambit of the claims, as well as all available equivalents of the claims. Embodiments of the invention may be referred to herein, individually or collectively, by the term "invention" merely for convenience and without intending to voluntarily limit the scope of this application to any single invention or inventive concept if more than one is in fact disclosed.
It should be noted that, in the present invention, the technical features may be combined with each other without conflict.
In the embodiment of the present invention, a printing apparatus is disclosed, as shown in fig. 1, fig. 1 shows a first structural example of the printing apparatus in the embodiment of the present invention; the printing apparatus includes: a heating part 10, a feeding part 20 and a moving part 30; wherein the heating member 10 functions to control the surface temperature of the printing substrate 1; the feeding part 20 is used for controlling the feeding of the printing silk material 2 towards the printing substrate 1; the movement device 30 serves to control the relative movement between the printing substrate 1 and the printing material 2. Wherein, the heating part 10 controls the surface temperature of the printing substrate 1, including: a first surface temperature and a second surface temperature; the first surface temperature is not lower than the melting temperature of the printing silk material, so that when the printing silk material 2 contacts the printing substrate 1 at the first surface temperature, the printing silk material can be melted by the printing substrate 1 and separated from the main body of the printing silk material 2 and attached to the printing substrate 1; the second surface temperature is lower than the melting temperature of the printing silk material, so that the printing silk material 2 can not be melted by the printing substrate 1 when contacting the printing substrate 1 at the second surface temperature.
The moving component 30 in the embodiment of the present invention may control the printing substrate 1 and the printing silk material 2 to generate the relative movement therebetween by: (1) the position of the substrate 1 is fixed, and the movement of the printing silk material 2 is controlled by the moving part 30, so that the relative movement between the substrate 1 and the printing silk material 2 is generated; (2) the position of the printing silk material 2 is fixed, and the movement of the printing substrate 1 is controlled by the moving part 30, so that the relative movement between the printing substrate 1 and the printing silk material 2 is generated; (3) the movement of the substrate 1 in one of the X/Y axes and the movement of the printing material 2 in the other of the X/Y axes are controlled by the movement device 30, so that a relative movement between the substrate 1 and the printing material 2 occurs.
Specifically, the heating member 10 in the printing apparatus shown in fig. 1 is a heating table on which the printing substrate 1 is placed, and the heating table has both functions of stabilizing the printing substrate 1 and heating the printing substrate 1; the structural mode of stabilizing the printing substrate 1 can be clamping, clamping or vacuum adsorption and the like. The feeding component 20 is a double feeding wheel structure for feeding silk materials in the prior art. The moving part 30 is a horizontal moving mechanism, and the feeding part 20 is assembled on the moving part 30 to realize linkage with the moving part 30, so that the printing silk material 2 is driven by the moving part 30 to generate relative movement with the printing substrate 1. The feeding unit 20 in the embodiment of the present invention may also adopt other filament feeding structures in the prior art, except for the structure of the feeding wheel, which is not limited herein.
As shown in fig. 2, preferably, the printing apparatus in the embodiment of the present invention may further include: the limiting component 60 is used for assisting the feeding component 20 to prevent the printing silk material 2 from extruding and deforming when being fed to the direction of the printing substrate 1. Preferably, the position limiting member 60 may be a straight tube-like structure for receiving the printing silk material 2.
One printing mode of the printing device in the embodiment of the present invention includes: the printing substrate 1 is firstly heated to a first surface temperature by the heating component 10, then the feeding component 20 directs the printing silk material 2 to the printing substrate 1 at a first speed, when the printing silk material 2 contacts the printing substrate 1, the tail end of the printing silk material 2 starts to melt and adhere to the printing substrate 1, then the moving component 30 starts to drive the printing silk material 2 to start moving on the surface of the printing substrate 1 at a second speed, and further the printing silk material 2 is continuously melted and adhered on the printing substrate 1 to form the printing pattern 3.
In the embodiment, in the case that a plurality of discontinuous pattern units exist, after one pattern unit is completed, the printing substrate 1 is controlled to be at the second surface temperature, and then the printing silk 2 is moved to the starting point of the next pattern unit to perform heating printing. In other embodiments, the moving component 30 also has a vertical moving capability, and after printing of one pattern unit is completed, the moving component 30 drives the printing silk 2 to lift up so as to be separated from the contact with the printing substrate 1, and after the moving component moves to a position above the starting point of the next pattern unit, the printing operation is continued.
In the embodiment of the invention, the surface temperature of the printing substrate is controlled to reach the melting temperature of the printing silk material, so that the printing silk material can be melted only after contacting the printing substrate, and the printing pattern is formed by the relative movement between the printing silk material and the printing substrate, and the method avoids the problem that the form of the molten slurry is unstable and uncontrollable due to the fact that the melting silk material is melted in advance; furthermore, the production process of the printing silk material in the prior art is quite mature, so that the accuracy of the specification and the size of the printing silk material is extremely high, and the printing accuracy of the printing equipment in the embodiment of the invention is further ensured. On the other hand, the printing apparatus in the above embodiment also has the advantages of simple structure, easy implementation, high printing efficiency and precision, low cost, and the like.
Referring now to fig. 3, fig. 3 shows a configuration example three of a printing apparatus in an embodiment of the present invention, the printing apparatus in the embodiment including: a heating part 10, a feeding part 20 and a moving part 30; wherein, the heating component 10 is used for controlling the surface temperature of the local area where the printing substrate 1 is contacted with the printing silk material 2; wherein, the heating part 10 controls the surface temperature of the printing substrate 1, including: a first surface temperature and a second surface temperature; the first surface temperature is not lower than the melting temperature of the printing silk material, so that when the printing silk material 2 contacts the printing substrate 1 at the first surface temperature, the printing silk material can be melted by the printing substrate 1 and separated from the main body of the printing silk material 2 and attached to the printing substrate 1; the second surface temperature is lower than the melting temperature of the printing silk material, so that the printing silk material 2 can not be melted by the printing substrate 1 when contacting the printing substrate 1 at the second surface temperature.
In the embodiment, the local heating area is provided for the printing silk material 2, the heat influence on the formed printing pattern is avoided, and the heating area is transferred along with the movement of the printing silk material 2 after printing and forming, so that the melting material can be converted from the liquid state to the solid state in a short time, and the structural stability of the printing pattern on the printing substrate 1 is realized.
Specifically, the heating member 10 is a movable small-sized heating stage, which is used to control the surface temperature of a local area of the printing substrate 1; besides, the embodiment may further include: and a fixing member 40 for fixing the printing substrate 1. In the printing apparatus shown in fig. 2, the fixing part 40 stabilizes the printing substrate 1 by fixing the periphery of the printing substrate 1; the heating component 10 and the feeding component 20 are respectively linked with the moving component 30, are positioned at two sides of the printing substrate 1, and move in a mirror image mode by taking the printing substrate 10 as a middle surface under the driving of the moving component 30, so that the heating component 10 is always opposite to a local area where the printing substrate 1 is contacted with the printing silk 2. In addition, the heating member 10 may provide a certain supporting function to the printing filament 2 when the printing filament 2 is printed on the printing substrate 1.
In the fourth structural example of the printing apparatus in the embodiment of the present invention shown in fig. 4, the fixing member 40 may also be a table for supporting; preferably, the worktable is made of a heat conductive material, such as copper. In this embodiment, the fixing member 40 is a table, which provides a good supporting function for the printing substrate 1, and the heating member 10 hardly affects the temperature control of the printing substrate 1 due to the heat conductive material.
Referring to fig. 5, fig. 5 shows a fifth structural example of the printing apparatus in the embodiment of the present invention, in which a laser light source is selected as the heating component 10 instead of a small-sized heating stage, and the laser light source irradiates a local area where the printing substrate is in contact with the printing filament material to form a heating spot, the laser light source has a higher heating efficiency than a conventional heating wire, and can provide a targeted heating area for the printing filament material 2, the heating area can be more precise, and further, the influence on the formed printing area by heat can be avoided. In the embodiment, by selecting the laser light source, the laser light source is temporarily stopped to provide laser for the area which is not required to be printed and formed in the moving process of the printing silk material 2, so that the temperature of the printing substrate 1 can not be melted when the printing silk material 2 moves to the area, the manufacturing of printed patterns is met, and the control complexity of printing equipment is reduced.
As in fig. 6, in some embodiments, the moving member 30 is a first moving member, and the printing apparatus further comprises a second moving member 50; the first moving member 30 is linked with the feeding member 20 to control the movement of the printing filament 2, the second moving member 50 is linked with the heating member 10 to control the heating member 10 to heat the local part of the printing substrate 1, and the local area can be adjusted by the second moving member 50. In this embodiment, the position of the heating member 10 and the position of the printing material 2 are controlled by the first moving member 30 and the second moving member 50, respectively.
Referring now to fig. 7, fig. 7 shows a configuration example seventh of a printing apparatus in an embodiment of the present invention, the printing apparatus including: a heating part 10, a feeding part 20, a first moving part 30, a fixing part 40 and a second moving part 50; the heating component 10 is a laser light source, which is located on the same side of the printing substrate 1 as the feeding component 20, and directly irradiates on the contact surface of the printing substrate 1 and the printing silk 2 to form a heating spot. In this embodiment, the laser light source directly irradiates the contact surface between the printing substrate 1 and the printing silk material 2, which not only can increase the surface temperature of the printing substrate 1, but also can modify the surface of the printing substrate 1, so that the melt can show improved adhesion on the printing substrate 1.
Furthermore, the laser light source as the heating component 10 in this embodiment irradiates on the printing substrate 1 at an inclined angle to form a heating spot, and the printing filament 2 may be disposed perpendicular to the printing substrate 1 to ensure the forming accuracy of the printing filament 2 on the printing substrate 1. The second moving member 50 in this embodiment may be a rotary base equipped with the heating member 10, thereby achieving adjustment of the irradiation angle of the laser light source as the heating member 10.
Preferably, the printing silk materials 2 in the embodiment of the present invention are arranged perpendicular to the printing substrate 1 to ensure the printing precision of the printing pattern, but in the case of different line widths of the printing pattern, the printing silk materials 2 may be arranged obliquely to meet the requirements of different line diameters when moving in different manners.
The printing silk material in the embodiment of the invention can be made of low-melting-point metal or mainly comprises the low-melting-point metal, the low-melting-point metal can be a low-melting-point metal simple substance or a low-melting-point metal alloy with the melting point below 300 ℃, and the low-melting-point metal can meet the melting point requirement and comprises the following components: one or more components of gallium, indium, tin, zinc, bismuth, lead, cadmium, mercury, silver, copper, sodium, potassium, magnesium, aluminum, iron, nickel, cobalt, manganese, titanium, vanadium, boron, carbon, silicon, ruthenium, rhodium, palladium, osmium, iridium, platinum, lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, yttrium, scandium, and the like.
Optionally, the metal simple substance with the melting point below 300 ℃ in the embodiment of the invention may be one of a gallium simple substance, an indium simple substance, a tin simple substance, a sodium simple substance, a potassium simple substance, a rubidium simple substance, a cesium simple substance, a zinc simple substance, and a bismuth simple substance.
Alternatively, the alloy with the melting point below 300 ℃ can be one or more of gallium-indium alloy, gallium-indium-tin alloy, gallium-zinc alloy, gallium-indium-zinc alloy, gallium-tin-zinc alloy, gallium-indium-tin-zinc alloy, bismuth-indium alloy, bismuth-tin alloy, bismuth-indium-zinc alloy, bismuth-tin-zinc alloy and bismuth-indium-tin-zinc alloy.
Preferably, the printing silk material in the embodiment of the invention is a low-melting-point metal in a room-temperature solid state, the low-melting-point metal can be kept in a solid state at room temperature, but the melting point of the low-melting-point metal is 40-300 ℃ compared with that of conventional metals such as iron and copper, and the low-melting-point metal can be in a liquid state under a lower heating condition, so that the requirement of the low-melting-point metal as a printing material is met. Besides, if the printing equipment is used in a low-temperature environment, the printing silk material can also be selected from low-melting-point metal in a room-temperature liquid state. Besides the low-melting-point metal, the printing silk material in the embodiment of the invention can also be selected from other conventional printing silk materials in the prior art.
The printing substrate 1 in the embodiment of the invention can be made of corresponding temperature-resistant materials according to the melting temperature of the selected printing silk material 2, and can be a planar substrate or a three-dimensional substrate.
Another object of the present invention is to provide a printing method to solve the problems of the prior art. The printing method comprises the following steps: before or at the same time when the printing silk material contacts the printing substrate, the printing substrate or a local area of the printing substrate contacting the printing silk material reaches a first surface temperature which is not lower than the melting temperature of the printing silk material, so that the printing silk material contacting the printing substrate is melted and attached to the local area, and a printing pattern is formed through the relative movement between the printing silk material and the printing substrate.
Specifically, the printing method may be implemented by the printing apparatus in the embodiment of the present invention, and may be performed according to the structure specification and the using method of the printing apparatus, which are not described herein again.
In the embodiment of the invention, the surface temperature of the printing substrate is controlled to reach the melting temperature of the printing silk material, so that the printing silk material can be melted only after contacting the printing substrate, and the printing pattern is formed by the relative movement between the printing silk material and the printing substrate, and the method avoids the problem that the form of the molten slurry is unstable and uncontrollable due to the fact that the melting silk material is melted in advance; furthermore, the production process of the printing silk material in the prior art is quite mature, so that the accuracy of the specification and the size of the printing silk material is extremely high, and the printing accuracy of the printing equipment in the embodiment of the invention is further ensured.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
Claims (9)
1. A printing apparatus, comprising:
a heating member for controlling a surface temperature of the substrate;
the feeding part is used for controlling the feeding of the printing silk material towards the printing substrate;
the moving component is used for controlling the relative movement between the printing substrate and the printing silk material;
wherein the surface temperature comprises a first surface temperature that is not less than a melting temperature of the printing filament material such that the printing filament material melts upon contact with the substrate.
2. The printing apparatus of claim 1, wherein the heating component is a heating platen on which the substrate is placed.
3. The printing apparatus of claim 1, wherein the heating component is configured to control a localized area of the substrate in contact with the printing filament material to a first surface temperature.
4. The printing apparatus according to claim 3, wherein the heating component and the feeding component are respectively linked with the moving component and are positioned on two sides of the printing substrate, and are driven by the moving component to move in a mirror image mode by taking the printing substrate as a middle surface, so that the heating component and a local area where the printing substrate is contacted with the printing silk material are always opposite.
5. The printing apparatus of claim 3, wherein the moving member is a first moving member; the heating component is a laser light source and irradiates a local area where the printing substrate is contacted with the printing silk material to form a heating light spot;
the printing apparatus, further comprising: and the second moving part is used for controlling the heating light spot of the heating part to always fall on a local area where the printing substrate is contacted with the printing silk material.
6. The printing apparatus of claim 5, wherein the heating component is located on the same side of the print substrate as the feeding component, and the heating component obliquely irradiates the print substrate to form the heating spot.
7. The printing apparatus of any of claims 1-6, wherein said feed component is configured to control the feeding of printing filament material perpendicular to said substrate.
8. The printing apparatus of any of claims 1-6, wherein the printing filament material is a low melting point metal that is solid at room temperature.
9. The printing apparatus of any of claims 1-6, wherein the substrate comprises a planar substrate and a three-dimensional volumetric substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188595.2U CN210702560U (en) | 2019-07-26 | 2019-07-26 | Printing equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921188595.2U CN210702560U (en) | 2019-07-26 | 2019-07-26 | Printing equipment |
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| CN210702560U true CN210702560U (en) | 2020-06-09 |
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| CN201921188595.2U Active CN210702560U (en) | 2019-07-26 | 2019-07-26 | Printing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296359A (en) * | 2019-07-26 | 2021-02-02 | 北京梦之墨科技有限公司 | Printing equipment and printing method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112296359A (en) * | 2019-07-26 | 2021-02-02 | 北京梦之墨科技有限公司 | Printing equipment and printing method |
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