CN211591846U - Ink-jet printing system based on stepping motor - Google Patents
Ink-jet printing system based on stepping motor Download PDFInfo
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- CN211591846U CN211591846U CN201922124438.1U CN201922124438U CN211591846U CN 211591846 U CN211591846 U CN 211591846U CN 201922124438 U CN201922124438 U CN 201922124438U CN 211591846 U CN211591846 U CN 211591846U
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- jet printing
- printing medium
- ink box
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Abstract
The utility model relates to an inkjet printing system based on step motor. The ink-jet printing system comprises a printer frame, an ink-jet printing head, an ink box, a movable ink box bracket, a printing medium placing frame, a distance measuring and positioning mechanism, a distance measuring sensor, an upper computer, an adjusting part and three stepping motors; measuring the actual central position of the printing medium by the ranging and positioning mechanism; the distance measuring sensor measures the vertical distance between the ink jet printing head and the printing medium; the processor calculates to obtain a position offset vector and a scaling; the adjusting part drives the ink box to move back and forth through the first stepping motor according to the position offset vector and the scaling, the second stepping motor drives the ink box to move left and right, and the third stepping motor adjusts the height of the printing medium placing frame. The utility model discloses a step motor replaces traditional direct current motor, can control turned angle through the PWM waveform number that sends, and then the accurate position of control print medium accomplishes the printing task.
Description
Technical Field
The utility model relates to an ink jet printing technology field, an ink jet printing system based on step motor specifically says so.
Background
The mechanical components of the existing ink-jet printer can be divided into two directions of paper feeding and scanning. The paper feeding part is driven by a motor to drive a roller to feed paper, and the scanning part is driven by the motor to drive a printing head to move so as to complete scanning action. The paper is regarded as a two-dimensional plane, and the paper feeding and scanning can be regarded as two axes, namely an X axis or a Y axis, of the two-dimensional plane.
The ink-jet printing technology generally requires 600DPI or more due to higher requirement on printing precision, and the driving and positioning of the paper feeding and scanning directions are generally positioned by a high-precision grating belt or a code disc matched with a common direct current motor. Therefore, in the use scenes of industrial catering and the like, dust, oil stain and the like are polluted greatly, and a grating belt or a coded disc is easy to be polluted, so that printing distortion or the printer does not work. And the grating or code disc needs to be arranged, and the requirements of the grating belt and the grating decoder on mechanical installation are high.
Furthermore, the conventional inkjet printer can only print on a flat medium such as paper, which results in limitation of the use of the inkjet printer.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model aims to provide an inkjet printing system based on step motor. In an ink-jet scene under low precision, the printing task is completed by controlling the paper feeding and scanning accurate positions of the ink-jet printer through the stepping motor, a grating or a code disc does not need to be arranged, the equipment installation difficulty is reduced, and the reliability problem under complex working conditions is improved.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a stepper motor based ink jet printing system comprising: the device comprises a printer frame, an ink-jet printing head, an ink box, a movable ink box bracket, a printing medium placing frame, a distance measuring and positioning mechanism, a distance measuring sensor, an upper computer, an adjusting part, a first stepping motor, a second stepping motor and a third stepping motor;
the ink jet printing head is used for jetting ink;
the movable ink box bracket is used for placing an ink box;
the printing medium placing frame is used for placing a printing medium;
the ink box is arranged at the upper part of the printer frame through a movable ink box bracket, and the ink-jet printing head is arranged below the ink box; the printing medium placing frame is arranged on a base of the printer frame, and the first stepping motor, the second stepping motor and the third stepping motor are arranged inside the printer frame; the upper computer is respectively connected with the ranging positioning mechanism, the ranging sensor and the adjusting part; the adjusting part is connected with the first stepping motor, the second stepping motor and the third stepping motor; the third stepping motor is also connected with the printing medium placing frame;
the distance measuring and positioning mechanism is arranged on a horizontal plane with a specific distance from the ink jet printing head and is used for measuring and obtaining the actual central position of the printing medium;
the distance measuring sensor is arranged below the ink box and on one side of the ink jet printing head and is used for measuring the vertical distance between the ink jet printing head and a printing medium;
the upper computer comprises a processor; the processor is used for calculating a position offset vector according to the actual central position of the printing medium and the preset central position, calculating a scaling according to the size of the picture to be printed, and recording the vertical distance between the ink jet printing head and the printing medium; the original starting position of the ink-jet printing head is the preset central position;
the adjusting part comprises a stepping motor control part which is used for driving the ink box to move back and forth through a first stepping motor and driving the ink box to move left and right through a second stepping motor according to the position offset vector and the scaling; and according to the vertical distance between the ink-jet printing head and the printing medium, the height of the printing medium placing frame is adjusted through the stepping motor III, and the picture to be printed is printed according to the scaling.
On the basis of the technical scheme, the specific distance is 2-3 mm.
On the basis of the technical scheme, the distance measuring and positioning mechanism comprises three distance measuring instruments, and the three distance measuring instruments are arranged in three different directions and respectively measure the distance from each distance measuring instrument to the outer edge of the printing medium.
On the basis of the technical scheme, three coordinate values are determined by combining a coordinate system according to the distances from the three distance meters to the outer edge of the printing medium, and the central position of the printing medium is calculated according to the three coordinate values.
On the basis of the technical scheme, the adjusting part further comprises a scaling adjusting part used for changing the size of the picture to be printed according to the scaling.
On the basis of the technical scheme, the ink-jet printing system further comprises a power supply device for supplying power.
On the basis of the technical scheme, the printing medium placing frame is of a height-adjustable structure.
On the basis of the technical scheme, a support plate is arranged on the base of the printer frame and on one side of the printing medium placing frame, the ink box is arranged above the support plate through a movable ink box support, and rollers are arranged below the support plate; the first stepping motor and the second stepping motor are both connected with the roller and used for driving the supporting plate to drive the ink box to move front and back or left and right.
On the basis of the technical scheme, a support plate is arranged on the base of the printer frame and on one side of the printing medium placing frame, rollers are arranged below the support plate, a sliding rail is arranged above the support plate, and the movable ink box support is arranged on the sliding rail; the first stepping motor is connected with the movable ink box bracket and used for driving the supporting plate to drive the ink box to move back and forth along the sliding rail; and the second stepping motor is connected with the roller and used for driving the support plate to drive the ink box to move left and right.
On the basis of the technical scheme, an ink adding opening is formed in the upper portion of the ink box, and an ink adding opening sealing cover covers the ink adding opening.
A method of printing in a stepper motor based ink jet printing system, comprising the steps of:
and 4, the adjusting part drives the ink box to move back and forth through the first stepping motor and drives the ink box to move left and right through the second stepping motor according to actual requirements based on the scaling and the position offset vector of the picture to be printed, and printing is finished.
Inkjet printing system's inkjet beats printer head and uses step motor to replace traditional direct current motor, can drive ink horn and inkjet through two step motor and beat printer head and go on around, remove about, because step motor can control turned angle through the PWM waveform number that the treater sent, and then the accurate position of control inkjet printing system paper feed and scanning accomplishes the printing task. Additionally, the utility model provides a print media rack can place print media outside the printing paper, for example non-planar print media such as drinking cup, food, has avoided ordinary ink jet printer can only print the shortcoming of planar print media such as paper. And the utility model discloses well print media rack's height-adjustable can adapt to the print media of co-altitude not.
Ink-jet printing system based on step motor, the installation is simple, convenient to use need not to set up grating or code wheel, has reduced the installation and has transferred the degree of difficulty, reduces the maintenance of equipment cost.
Drawings
The utility model discloses there is following figure:
FIG. 1 is a schematic view of an inkjet printing system according to the present invention;
FIG. 2 is a first schematic view of an installation structure of the ink cartridge of the present invention;
FIG. 3 is a second schematic view of the mounting structure of the ink cartridge of the present invention;
fig. 4 is a schematic flow chart of a printing method.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 shows a schematic structural diagram of an inkjet printing system based on a stepping motor according to the present invention. As shown in fig. 1, an inkjet printing system based on stepping motor, includes: the ink-jet printer comprises a printer frame, an ink-jet printing head 1, an ink box 2, a movable ink box bracket 4, a printing medium placing frame 3, a distance measuring and positioning mechanism, a distance measuring sensor, an upper computer, an adjusting part, a first stepping motor, a second stepping motor and a third stepping motor;
the ink jet print head 1 for ejecting ink; for example, the printing device can print patterns or characters on a planar printing medium such as printing paper, and can also print on a non-planar printing medium such as a cup or a milk foam.
The movable ink box bracket 4 is used for placing the ink box 2; the movable ink box bracket 4 can move back and forth and left and right under the driving of the first stepping motor and the second stepping motor.
The printing medium placing frame 3 is used for placing a printing medium. In this embodiment, the printing medium placing frame 3 is a height adjustable structure, and the specific structure may be an existing height adjustable structure.
The ink box 2 is arranged at the upper part of the printer frame through a movable ink box bracket 4, and the ink-jet printing head 1 is arranged below the ink box 2; the printing medium placing frame 3 is arranged on a base 7 of the printer frame, and the first stepping motor, the second stepping motor and the third stepping motor are all arranged inside the printer frame; the upper computer is respectively connected with the ranging positioning mechanism, the ranging sensor and the adjusting part. The adjusting part is connected with the first stepping motor, the second stepping motor and the third stepping motor; and the third stepping motor is also connected with the printing medium placing frame. In this embodiment, the ink jet print head 1 and the ink cartridge 2 can be replaced according to the printing ink material. An ink adding opening is formed in the upper portion of the ink box 2, an ink adding opening sealing cover covers the ink adding opening, and therefore the sealing performance of the ink box 2 can be guaranteed.
The distance measuring and positioning mechanism is arranged on a horizontal plane with a specific distance from the ink jet printing head 1 and is used for measuring and obtaining the actual center position of the printing medium. The specific distance is 2-3 mm.
The distance measuring sensor is arranged at one side of the ink-jet printing head 1 below the ink box 2 and is used for measuring the vertical distance between the ink-jet printing head 1 and a printing medium.
The upper computer comprises a processor; the processor is used for calculating a position offset vector according to the actual central position of the printing medium and the preset central position, and sending the vertical distance between the ink-jet printing head 1 and the printing medium to the adjusting part; and calculating to obtain the scaling according to the size of the picture to be printed. Because in actual conditions, can't guarantee all to place print media in the center department of portable print media rack at every turn, consequently the utility model discloses calculated the offset vector, can be through the position of adjustment part according to the offset vector adjustment ink horn. The utility model provides a calculate offset vector and calculate scaling function can adopt the treater that can realize corresponding function among the prior art to realize.
In this embodiment, the adjusting part includes a stepping motor control part for driving the ink cartridge 2 to move back and forth by the first stepping motor and driving the ink cartridge 2 to move left and right by the second stepping motor according to the position offset vector and the scaling; and the height of the printing medium placing frame 3 is adjusted by a three-step motor according to the vertical distance between the ink-jet printing head 1 and the printing medium.
In this embodiment, range finding positioning mechanism includes three distancer, and is three the distancer setting is in the direction of three difference on the horizontal plane that is 2 ~ 3mm to inkjet printer head 1 for measure the distance of distancer to the outward flange of print media respectively.
And determining three coordinate values by combining a coordinate system according to the distances from the three distance meters to the outer edge of the printing medium, and calculating the central position of the printing medium according to the three coordinate values.
The adjusting section further includes a zoom adjusting section for changing a size of the picture to be printed in accordance with a zoom ratio.
The inkjet printing system further comprises a power supply device for providing power.
As shown in fig. 2, in this embodiment, a support plate 5 is disposed on a base 7 of the printer frame and on one side of the printing medium placing frame 3, the ink cartridge 2 is mounted on the support plate 5 through a movable cartridge support 4, and rollers 6 are disposed below the support plate 5; the first stepping motor and the second stepping motor are both connected with the roller 6 and used for driving the support plate 5 to drive the ink box 2 to move back and forth or left and right.
As shown in fig. 3, in the present embodiment, the ink cartridge 2 may have another driving method: a support plate 5 is arranged on a base 7 of the printer frame and on one side of the printing medium placing frame 3, a roller 6 is arranged below the support plate 5, a slide rail 8 is arranged above the support plate 5, and the movable ink box support 4 is arranged on the slide rail 8; the first stepping motor is connected with the movable ink box bracket 4 and is used for driving the movable ink box bracket 4 to drive the ink box 2 to move back and forth; and the second stepping motor is connected with the roller 6 and used for driving the supporting plate 5 to drive the ink box 2 to move left and right.
Fig. 4 shows a printing method of an inkjet printing system based on a stepping motor according to the present invention. As shown in fig. 2, the printing method of the inkjet printing system based on the stepping motor includes the following steps:
and 4, the adjusting part drives the ink box 2 to move back and forth through the first stepping motor and drives the ink box 2 to move left and right through the second stepping motor according to actual requirements based on the scaling and the position offset vector of the picture to be printed, and printing is finished.
Inkjet printing system's inkjet beats printer head and uses step motor to replace traditional direct current motor, can drive ink horn and inkjet to beat printer head and remove (about the ink horn promptly, control about) in X axle, two directions in Y axle through two step motor, because step motor can control turned angle through the PWM waveform number that the treater sent, and then the accurate position of control inkjet printing system paper feed and scanning accomplishes the printing task. Additionally, the utility model provides a print media rack is height-adjustable structure, measures the inkjet through range finding sensor and beats the perpendicular distance between printer head to the print media, then adjusts the height of print media rack through step motor three, has realized the removal of print media in the Z axle side promptly. The distance between the ink-jet printing head and the printing medium is accurately controlled in a mode of the stepping motor and the distance measuring sensor, so that the distance is as small as possible, and the printing precision is further controlled. Ink jet printing system can place the printing medium beyond the printing paper, has avoided ordinary ink jet printer can only print the shortcoming of paper isoplanar printing medium. And the utility model discloses well print media rack's height-adjustable can adapt to the print media of co-altitude not. Ink-jet printing system based on step motor, the installation is simple, convenient to use need not to set up grating or code wheel, has reduced the installation and has transferred the degree of difficulty, reduces the maintenance of equipment cost.
Exemplary embodiments of the present invention have been particularly shown and described above. It is to be understood that the invention is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the invention is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Those not described in detail in this specification are within the skill of the art.
Claims (9)
1. An ink jet printing system based on a stepper motor, comprising: the device comprises a printer frame, an ink-jet printing head, an ink box, a movable ink box bracket, a printing medium placing frame, a distance measuring and positioning mechanism, a distance measuring sensor, an upper computer, an adjusting part, a first stepping motor, a second stepping motor and a third stepping motor;
the ink jet printing head is used for jetting ink;
the printing medium placing frame is used for placing a printing medium;
the ink box is arranged at the upper part of the printer frame through a movable ink box bracket, and the ink-jet printing head is arranged below the ink box; the printing medium placing frame is arranged on a base of the printer frame, and the first stepping motor, the second stepping motor and the third stepping motor are all arranged inside the printer frame; the upper computer is respectively connected with the ranging positioning mechanism, the ranging sensor and the adjusting part; the adjusting part is connected with the first stepping motor, the second stepping motor and the third stepping motor; the third stepping motor is also connected with the printing medium placing frame;
the distance measuring and positioning mechanism is arranged on a horizontal plane with a specific distance from the ink jet printing head and is used for measuring and obtaining the actual central position of the printing medium;
the distance measuring sensor is arranged below the ink box and on one side of the ink jet printing head and is used for measuring the vertical distance between the ink jet printing head and a printing medium;
the upper computer comprises a processor; the processor is used for calculating a position offset vector according to the actual central position of the printing medium and the preset central position, calculating a scaling according to the size of the picture to be printed, and recording the vertical distance between the ink jet printing head and the printing medium; the original starting position of the ink-jet printing head is a preset central position;
the adjusting part comprises a stepping motor control part which is used for driving the ink box to move back and forth through a first stepping motor and driving the ink box to move left and right through a second stepping motor according to the position offset vector and the scaling; and the height of the printing medium placing frame is adjusted by the three stepping motors according to the vertical distance between the ink jet printing head and the printing medium.
2. The stepper motor based ink jet printing system as recited in claim 1 wherein the specific distance is 2-3 mm.
3. The stepper-motor based inkjet printing system of claim 1, wherein the range finding positioning mechanism includes three range finders, the three range finders being arranged in three different directions to measure respective distances of the range finders from the outer edge of the print medium.
4. The stepping motor based ink jet printing system according to claim 3, wherein three coordinate values are determined in combination with a coordinate system according to distances from three of said rangefinders to an outer edge of the print medium, and the center position of the print medium is calculated based on said three coordinate values.
5. The stepper-motor based ink jet printing system as recited in claim 1 further comprising a power supply means for providing power.
6. The stepper motor based inkjet printing system of claim 1, wherein the print media holder is a height adjustable structure.
7. The stepper-motor based ink jet printing system of claim 1, wherein a support plate is provided on a base of the printer frame and on a side of the print media holder, the ink cartridge is mounted above the support plate by a movable cartridge holder, and rollers are provided below the support plate; the first stepping motor and the second stepping motor are both connected with the roller and used for driving the supporting plate to drive the ink box to move front and back or left and right.
8. The stepper-motor based ink jet printing system of claim 1, wherein a support plate is disposed on the base of the printer frame and on one side of the print media holder, rollers are disposed below the support plate, a slide rail is disposed above the support plate, and the movable cartridge holder is mounted on the slide rail; the first stepping motor is connected with the movable ink box bracket and used for driving the supporting plate to drive the ink box to move back and forth along the sliding rail; and the second stepping motor is connected with the roller and used for driving the support plate to drive the ink box to move left and right.
9. The stepper-motor based ink jet printing system as recited in claim 1 wherein an ink feed port is provided above the ink cartridge, the ink feed port being covered by an ink feed port sealing cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124438.1U CN211591846U (en) | 2019-12-02 | 2019-12-02 | Ink-jet printing system based on stepping motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922124438.1U CN211591846U (en) | 2019-12-02 | 2019-12-02 | Ink-jet printing system based on stepping motor |
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| CN211591846U true CN211591846U (en) | 2020-09-29 |
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| CN201922124438.1U Expired - Fee Related CN211591846U (en) | 2019-12-02 | 2019-12-02 | Ink-jet printing system based on stepping motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816056A (en) * | 2019-12-02 | 2020-02-21 | 北京信息科技大学 | Ink-jet printing system based on stepping motor and printing method thereof |
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- 2019-12-02 CN CN201922124438.1U patent/CN211591846U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110816056A (en) * | 2019-12-02 | 2020-02-21 | 北京信息科技大学 | Ink-jet printing system based on stepping motor and printing method thereof |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200929 Termination date: 20211202 |