CN109353121B - Method and device for calculating ink jet attenuation based on ink jet type printing head - Google Patents
Method and device for calculating ink jet attenuation based on ink jet type printing head Download PDFInfo
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- CN109353121B CN109353121B CN201811144412.7A CN201811144412A CN109353121B CN 109353121 B CN109353121 B CN 109353121B CN 201811144412 A CN201811144412 A CN 201811144412A CN 109353121 B CN109353121 B CN 109353121B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16579—Detection means therefor, e.g. for nozzle clogging
Abstract
The invention provides a method and a device for calculating ink jet attenuation based on an ink jet type printing head, comprising the following steps: acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle; under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink; obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink; calculating the attenuation of ink jet according to the total amount of ink jet; comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state, whether the printing head is blocked is judged in time through the ink jet attenuation, and whether the printing head is replaced and cleaned is determined, so that the printing quality is improved.
Description
Technical Field
The invention relates to the technical field of 3D printers, in particular to a method and a device for calculating an ink jet attenuation amount based on an ink jet type printing head.
Background
3D printing technology has become an indispensable technology in modern industrial manufacturing due to its unique technical advantages, and inkjet print heads have also been successfully applied to various industries. In the scanning printing process, the printing head is an important factor influencing the printing quality, and the judgment of the blockage condition of the printing head is carried out by simultaneously jetting ink through all the jet holes, so that the judgment result is inaccurate, whether the printing head is blocked or not can not be timely found, and the printing quality is influenced.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for calculating an ink ejection attenuation amount of an inkjet printhead, which can determine whether the printhead is clogged by the ink ejection attenuation amount in time, and determine whether to replace and clean the printhead, thereby improving printing quality.
In a first aspect, an embodiment of the present invention provides a method for calculating an ink ejection attenuation amount based on an ink jet print head, the method including:
acquiring the weight of a tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle;
under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink;
obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink;
calculating an ink ejection attenuation amount according to the total ink ejection amount;
comparing the ink jet attenuation with a preset attenuation;
if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state;
and if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state.
Further, the calculating the ink ejection attenuation amount according to the total ink ejection amount includes:
calculating the ink ejection attenuation amount according to the following formula:
wherein Y is the attenuation of ink jet, M2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1And M is the total ink jet amount of the nozzle after the nozzle is used for a preset time.
Further, the inkjet parameters further include the number of orifices per head, and the method further includes:
and calculating the mass of the single drop of ink according to the ink jet frequency of the nozzles, the ink jet time, the number of jet holes of each nozzle, the weight of the tray and the total weight of the tray and the ink.
Further, the calculating the mass of the single drop of ink according to the ink jet frequency of the nozzles, the ink jet time, the number of orifices of each nozzle, the weight of the tray, and the total weight of the tray and the ink includes:
calculating the single drop ink mass according to:
wherein M is the mass of the single drop of ink, f is the ink jet frequency of the nozzle, t is the ink jet time, n is the number of spray holes of each nozzle, and M is2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1Is the total ink ejection amount.
Further, the method further comprises:
acquiring printing parameters, wherein the printing parameters comprise the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the thickness of single-layer powder and the density of the powder;
obtaining the mass of the powder according to the distance between the two ink dots in the X direction, the distance between the two ink dots in the Y direction, the thickness of the single-layer powder and the powder density;
and obtaining the ink adding amount according to the mass of the single drop of ink and the mass of the powder.
Further, the obtaining of the ink addition amount according to the mass of the single drop of ink and the mass of the powder material comprises:
the ink addition was calculated according to the following formula:
m1＝x0×y0×h0×ρ
wherein m is the mass of the single drop of ink, m1Is the mass of the powder, x0Is the distance between two ink dots in the X direction, y0Is the distance between two ink dots in the Y direction, h0P is the powder density for the monolayer powder thickness.
In a second aspect, an embodiment of the present invention provides an apparatus for calculating an ink ejection attenuation amount based on an ink jet print head, the apparatus including:
the ink jet parameter acquisition module is used for acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of the nozzle;
the weight obtaining module is used for obtaining the overall weight of the tray and the ink under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle;
the ink jet total amount acquisition module is used for acquiring ink jet total amount according to the weight of the tray and the total weight of the tray and the ink;
the attenuation calculating module is used for calculating the ink jet attenuation according to the total ink jet amount;
the comparison module is used for comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; and if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state.
Further, the attenuation amount calculation module includes:
calculating the ink ejection attenuation amount according to the following formula:
wherein Y is the attenuation of ink jet, M2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1And M is the total ink jet amount of the nozzle after the nozzle is used for a preset time.
Further, the inkjet parameters further include the number of orifices of each head, and the apparatus further includes:
and the ink mass calculating module is used for calculating the mass of the single-drop ink according to the ink jet frequency of the nozzles, the ink jet time, the number of the jet holes of each nozzle, the weight of the tray and the total weight of the tray and the ink.
Further, the ink quality calculation module includes:
calculating the single drop ink mass according to:
wherein M is the mass of the single drop of ink, f is the ink jet frequency of the nozzle, t is the ink jet time, n is the number of spray holes of each nozzle, and M is2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1Is the total ink ejection amount.
The embodiment of the invention provides a method and a device for calculating an ink jet attenuation amount based on an ink jet type printing head, wherein the method comprises the following steps: acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle; under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink; obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink; calculating the attenuation of ink jet according to the total amount of ink jet; comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state, whether the printing head is blocked is judged in time through the ink jet attenuation, and whether the printing head is replaced and cleaned is determined, so that the printing quality is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a flowchart of a method for calculating an ink ejection attenuation based on an inkjet printhead according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method for calculating ink addition according to an embodiment of the present invention;
FIG. 3 is a schematic view of a computing device for calculating the ink ejection attenuation of an inkjet printhead according to a second embodiment of the present invention;
fig. 4 is a schematic diagram of an ink adding amount calculating module according to a second embodiment of the present invention.
Icon:
10-an ink jet parameter acquisition module; 20-a weight acquisition module; 30-total inkjet volume acquisition module; 40-attenuation amount calculation module; 50-an alignment module; 60-an ink addition amount calculation module; 61-a print parameter acquisition unit; 62-powder quality obtaining unit; 63-ink charge amount acquiring unit.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the understanding of the present embodiment, the following detailed description will be given of the embodiment of the present invention.
The first embodiment is as follows:
fig. 1 is a flowchart of a method for calculating an ink ejection attenuation based on an inkjet printhead according to an embodiment of the present invention.
Referring to fig. 1, the method is performed by a software system on a client, the method comprising the steps of:
step S101, acquiring tray weight and ink jet parameters, wherein the ink jet parameters comprise ink jet frequency and ink jet time of a nozzle;
step S102, acquiring the overall weight of the tray and the ink under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle;
here, after the tray weight and the ink ejection parameters are acquired, the ink ejection condition is recorded by the ink droplet viewer, a screen is captured, and the ink ejection information is displayed on the interface. The ink drop viewer structurally comprises a sliding mechanism, a spray head is arranged on the sliding mechanism, a light source and a camera which are oppositely arranged are arranged below the spray head, and an ink supply mechanism is connected to the spray head. The working principle of the ink drop observation instrument is that a light source and a camera are respectively connected with a control module, and the control module analyzes and processes data collected by a camera, so that the volume and the descending speed of ink drops are calculated.
A tray for collecting ink-jet ink is suspended under the nozzle, and the weight M of the tray is obtained by weighing1The ink ejection parameters are specifically obtained according to table 1, in which table 1, the number of orifices of each head is represented by n, n is 256, the ink ejection frequency of the head is represented by f, f is 9kHz, the ink ejection time is represented by t, and t is 10 s.
TABLE 1
| Parameters of ink jet | Data of |
| Number of nozzles N | 1 |
| Number n of orifices per head | 256 |
| Frequency f of ink jet of nozzle | 9kHz |
| Ink jet time t | 10s |
| Grey scale | 1 |
Step S103, obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink;
step S104, calculating the ink jet attenuation amount according to the total ink jet amount;
step S105, comparing the ink jet attenuation with a preset attenuation;
here, the preset attenuation amount may be 20%.
Step S106, if the ink jet attenuation is larger than or equal to the preset attenuation, the nozzle is in a serious blockage state;
in step S107, if the attenuation of ink jet is less than the preset attenuation, the nozzle is in a normal state.
Further, step S104 includes:
the ink ejection attenuation amount is calculated according to the formula (1):
wherein Y is an ink ejection attenuation amount, M2The total weight of the tray and the ink, M1For pallet weight, M2-M1M is the total ink jet amount after the nozzle is used for a preset time.
Here, the total amount of ink ejected by one head after a predetermined period of use is reduced from the total amount of ink ejected by the head without use, and thus, the total amount of ink ejected by one head without use is M2-M1After the preset time is used, the total ink jet amount is M, and the calculation process of the total ink jet amount obtained after the preset time is used is similar to the calculation process of the total ink jet amount which is not used, and is not described herein again.
Further, the ink ejection parameters further include the number of orifices per head, and the method further includes the steps of:
step S201, calculating the mass of the single drop of ink according to the ink jet frequency and the ink jet time of the nozzles, the number of jet holes of each nozzle, the weight of the tray and the total weight of the tray and the ink.
Here, ink is ejected according to the ink ejection frequency and the ink ejection time of the head, and after the ink ejection is completed, the tray is removed, and the total weight of the tray and the ink is weighed.
Further, step S201 includes:
calculating the mass of a single drop of ink according to equation (2):
wherein M is the mass of single drop of ink, f is the ink jet frequency of the nozzle, t is the ink jet time, n is the number of jet holes of each nozzle, M2The total weight of the tray and ink, M1For pallet weight, M2-M1Is the total amount of ink ejected.
Further, referring to fig. 2, the method further includes the steps of:
step S301, obtaining printing parameters, wherein the printing parameters comprise the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the thickness of single-layer powder and the density of the powder;
step S302, obtaining the powder quality according to the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the single-layer powder thickness and the powder density;
and step S303, obtaining the ink adding amount according to the mass of the single drop of ink and the mass of the powder.
The mass of the single drop of ink is known from the formula (2), namely the product of the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the thickness of single layer of powder and the density of powder.
Further, step S303 includes:
the ink addition was calculated according to equation (3):
wherein m is the mass of a single drop of ink, m1Is the mass of the powder, x0Is the distance between two ink dots in the X direction, y0Is the distance between two ink dots in the Y direction, h0Is the monolayer powder thickness and ρ is the powder density.
Generally, the ink addition differs according to the printing process, and this value is mainly a linear relationship between the ink addition and the strength and surface quality of the product.
In order to meet the performance requirements of products actually produced, the ink addition is compared with a process standard value, so that the ink addition is adjusted. The method specifically comprises the following steps: when the addition amount of the ink is larger than the process standard value, the strength meets the requirement and is higher, but the surface is more sticky and is difficult to remove, and the product is not influenced by sharp edges and corners and is beautiful. When the ink addition is less than the process standard value, the strength is unqualified, and the surface is easy to wear, so that the strength and the surface quality of the product can be reflected by calculating the ink addition, and the ink addition is continuously adjusted to meet the requirement. The corresponding process standard values are different by adopting different processes, for example, the corresponding process standard value is 2% by adopting a sand mold 3D printing process, but the process is not limited to the above process, and other processes are included, which are not described herein.
The embodiment of the invention provides a method for calculating an ink jet attenuation amount based on an ink jet type printing head, which comprises the following steps: acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle; under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink; obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink; calculating the attenuation of ink jet according to the total amount of ink jet; comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state, whether the printing head is blocked is judged in time through the ink jet attenuation, and whether the printing head is replaced and cleaned is determined, so that the printing quality is improved.
Example two:
fig. 3 is a schematic view of a device for calculating an ink ejection attenuation based on an inkjet printhead according to a second embodiment of the present invention.
Referring to fig. 3, the apparatus includes:
the ink jet parameter acquisition module 10 is used for acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of the nozzle;
a weight obtaining module 20, configured to obtain an overall weight of the tray and the ink when ink is ejected according to an ejection frequency and an ejection time of the ejection head;
an ink jet total amount obtaining module 30 for obtaining the total amount of ink jet according to the weight of the tray and the total weight of the tray and the ink;
an attenuation calculating module 40 for calculating the attenuation of the ink jet based on the total amount of the ink jet;
a comparison module 50 for comparing the attenuation of the jet ink with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is less than the preset attenuation, the nozzle is in a normal state.
Further, the attenuation amount calculation module 40 includes:
the ink ejection attenuation amount is calculated according to the formula (1).
Further, the ink ejection parameters further include the number of orifices per head, and the apparatus further includes:
and an ink mass calculation module (not shown) for calculating the mass of the single drop of ink according to the ink ejection frequency of the ejection head, the ink ejection time, the number of ejection holes per ejection head, the weight of the tray, and the total weight of the tray and the ink.
Further, the ink quality calculation module (not shown) includes:
the single drop ink mass is calculated according to equation (2).
Further, referring to fig. 4, the apparatus further includes an ink addition amount calculation module 60, and the ink addition amount calculation module 60 includes a printing parameter acquisition unit 61, a powder quality acquisition unit 62, and an ink addition amount acquisition unit 63.
A printing parameter acquiring unit 61 configured to acquire printing parameters including a distance between two dots in an X direction, a distance between two dots in a Y direction, a single-layer powder thickness, and a powder density;
a powder quality obtaining unit 62, configured to obtain a powder quality according to a distance between two ink dots in the X direction, a distance between two ink dots in the Y direction, a single-layer powder thickness, and a powder density;
and an ink addition amount obtaining unit 63, configured to obtain an ink addition amount according to the mass of the single drop of ink and the mass of the powder.
Further, the ink addition amount acquiring unit 63 includes:
the ink addition amount was calculated according to the formula (3).
The embodiment of the invention provides a computing device based on ink jet attenuation of an ink jet type printing head, which comprises: acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle; under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink; obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink; calculating the attenuation of ink jet according to the total amount of ink jet; comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state, whether the printing head is blocked is judged in time through the ink jet attenuation, and whether the printing head is replaced and cleaned is determined, so that the printing quality is improved.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and when the processor executes the computer program, the steps of the method for calculating the attenuation of ink jetting based on an inkjet print head according to the above embodiments are implemented.
Embodiments of the present invention further provide a computer-readable storage medium, on which a computer program is stored, where the computer program is executed by a processor to perform the steps of the method for calculating an ink ejection attenuation amount based on an ink jet print head according to the above embodiments.
The computer program product provided in the embodiment of the present invention includes a computer-readable storage medium storing a program code, where instructions included in the program code may be used to execute the method described in the foregoing method embodiment, and specific implementation may refer to the method embodiment, which is not described herein again.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations 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 being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (9)
1. A method for calculating an amount of attenuation in ink ejection based on an ink jet print head, the method comprising:
acquiring the weight of a tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of a nozzle;
under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle, acquiring the overall weight of the tray and the ink;
obtaining the total ink jet amount according to the weight of the tray and the total weight of the tray and the ink;
calculating an ink ejection attenuation amount according to the total ink ejection amount;
comparing the ink jet attenuation with a preset attenuation;
if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state;
if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state;
the method further comprises the following steps:
acquiring printing parameters, wherein the printing parameters comprise the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the thickness of single-layer powder and the density of the powder;
obtaining the powder quality according to the distance between the two ink dots in the X direction, the distance between the two ink dots in the Y direction, the single-layer powder thickness and the powder density;
and obtaining the ink adding amount according to the mass of the single drop of ink and the mass of the powder.
2. The method for calculating the attenuation of ink ejection based on an ink jet print head according to claim 1, wherein the calculating the attenuation of ink ejection based on the total amount of ink ejection comprises:
calculating the ink ejection attenuation amount according to the following formula:
wherein Y is the attenuation of ink jet, M2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1And M is the total ink jet amount of the nozzle after the nozzle is used for a preset time.
3. The method of claim 1, wherein the ink ejection parameters further include a number of orifices per nozzle, the method further comprising:
and calculating the mass of the single drop of ink according to the ink jet frequency of the nozzles, the ink jet time, the number of jet holes of each nozzle, the weight of the tray and the total weight of the tray and the ink.
4. The method of claim 3, wherein the calculating the ink ejection attenuation of the inkjet printhead according to the ejection frequency of the ejection heads, the ejection time, the number of ejection holes of each ejection head, the weight of the tray, and the total weight of the tray and the ink comprises:
calculating the single drop ink mass according to:
wherein M is the mass of the single drop of ink, f is the ink jet frequency of the nozzle, t is the ink jet time, n is the number of spray holes of each nozzle, and M is2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1Is the total ink ejection amount.
5. The method for calculating the attenuation of ink jet based on an ink jet print head according to claim 1, wherein the step of obtaining the ink addition amount according to the mass of the single drop of ink and the mass of the powder comprises:
the ink addition was calculated according to the following formula:
m1＝x0×y0×h0×ρ
wherein m is the mass of the single drop of ink, m1Is the mass of the powder, x0Is the distance between two ink dots in the X direction, y0Is the distance between two ink dots in the Y direction, h0P is the powder density for the monolayer powder thickness.
6. An apparatus for calculating an ink ejection attenuation amount based on an ink jet print head, comprising:
the ink jet parameter acquisition module is used for acquiring the weight of the tray and ink jet parameters, wherein the ink jet parameters comprise the ink jet frequency and the ink jet time of the nozzle;
the weight obtaining module is used for obtaining the overall weight of the tray and the ink under the condition of carrying out ink jet according to the ink jet frequency and the ink jet time of the nozzle;
the ink jet total amount acquisition module is used for acquiring ink jet total amount according to the weight of the tray and the total weight of the tray and the ink;
the attenuation calculating module is used for calculating the ink jet attenuation according to the total ink jet amount;
the comparison module is used for comparing the ink jet attenuation with a preset attenuation; if the ink jet attenuation is greater than or equal to the preset attenuation, the nozzle is in a serious blockage state; if the ink jet attenuation is smaller than the preset attenuation, the nozzle is in a normal state;
the device further comprises:
acquiring printing parameters, wherein the printing parameters comprise the distance between two ink dots in the X direction, the distance between two ink dots in the Y direction, the thickness of single-layer powder and the density of the powder;
obtaining the powder quality according to the distance between the two ink dots in the X direction, the distance between the two ink dots in the Y direction, the single-layer powder thickness and the powder density;
and obtaining the ink adding amount according to the mass of the single drop of ink and the mass of the powder.
7. The apparatus of claim 6, wherein the attenuation calculating module comprises:
calculating the ink ejection attenuation amount according to the following formula:
wherein Y is the attenuation of ink jet, M2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1And M is the total ink jet amount of the nozzle after the nozzle is used for a preset time.
8. The apparatus of claim 6, wherein the ink ejection parameters further include a number of orifices per head, the apparatus further comprising:
and the ink mass calculating module is used for calculating the mass of the single-drop ink according to the ink jet frequency of the nozzles, the ink jet time, the number of the jet holes of each nozzle, the weight of the tray and the total weight of the tray and the ink.
9. The apparatus of claim 8, wherein the ink mass calculation module comprises:
calculating the single drop ink mass according to:
wherein M is the mass of the single drop of ink, f is the ink jet frequency of the nozzle, t is the ink jet time, n is the number of spray holes of each nozzle, and M is2For the total weight of the tray and the ink, M1For the weight of the pallet, M2-M1Is the total ink ejection amount.
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| CN201811144412.7A CN109353121B (en) | 2018-09-28 | 2018-09-28 | Method and device for calculating ink jet attenuation based on ink jet type printing head |
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| CN201811144412.7A CN109353121B (en) | 2018-09-28 | 2018-09-28 | Method and device for calculating ink jet attenuation based on ink jet type printing head |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094629A (en) * | 2001-09-27 | 2003-04-03 | Seiko Epson Corp | Liquid ejection device |
| JP2004361234A (en) * | 2003-06-04 | 2004-12-24 | Seiko Epson Corp | Testing device for evaluating liquid drop delivery |
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| CN105459613B (en) * | 2015-12-04 | 2017-09-15 | 宁波远志立方能源科技有限公司 | Printer ink intelligent management system and its control method |
| CN105459601B (en) * | 2016-01-15 | 2017-08-01 | 京东方科技集团股份有限公司 | Calibration method and its calibration system, the printing device of droplet volume |
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