CN214492129U - Automatic measuring device for flatness of printing platform and printer - Google Patents
Automatic measuring device for flatness of printing platform and printer Download PDFInfo
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- CN214492129U CN214492129U CN202023061404.1U CN202023061404U CN214492129U CN 214492129 U CN214492129 U CN 214492129U CN 202023061404 U CN202023061404 U CN 202023061404U CN 214492129 U CN214492129 U CN 214492129U
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Abstract
The utility model discloses a print platform plane degree automatic measuring device and printer. This print platform flatness automatic measuring device includes: a printing platform; the sliding block is arranged above the printing platform and is connected to the horizontal guide rail in a sliding manner; the positioning device is used for determining the position of the sliding block in the sliding direction of the sliding block and is arranged on the sliding block; the height measuring device is used for measuring the height of the top surface of the printing platform and is arranged on the sliding block; the control device, the sliding block, the positioning device and the height measuring device are all in communication connection with the control device. The positioning device and the height measuring device can respectively and automatically detect the horizontal position information of the sliding block at the same position and the height information of the sliding block and the printing platform, and then the control device can judge the flatness condition according to the deviation condition of the height information of different positions on the top surface of the printing platform, so that the flatness detection efficiency of the printing platform can be improved.
Description
Technical Field
The utility model relates to a printing apparatus technical field, in particular to print platform plane degree automatic measuring device and printer.
Background
The flatness of a printing platform must be adjusted in the installation process of the flat plate or rolling plate printer, and the better the flatness is, the better the drawing effect is.
Now, in the flatness detection stage, one common way is: fixing the dial indicator on the linear guide rail, selecting a reference point, measuring a measured point by manually moving the dial indicator or the dial indicator, and comparing to obtain a flatness error value of the platform, thereby adjusting the flatness of the printing platform.
However, in the measuring process, the dial indicator needs to be moved continuously and manually and the position of the dial indicator on the linear guide rail is recorded, so that time and labor are wasted, the accuracy is poor, in addition, the dial indicator and the printing trolley on the printing platform do not have a connection relation, and the position of the printing trolley needs to be moved continuously in the measuring process so that the printing trolley can avoid a measuring space.
Therefore, how to improve the flatness detection efficiency is a technical problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a print platform plane degree automatic measuring device, its plane degree that can high-efficiently detect print platform. Another object of the utility model is to provide a printer including above-mentioned print platform plane degree automatic measuring device, its print platform's plane degree can be detected by the high efficiency.
In order to achieve the above object, the utility model provides a following technical scheme:
an automatic measuring device for flatness of a printing platform comprises:
a printing platform;
the sliding block is arranged above the printing platform and is connected to the horizontal guide rail in a sliding manner;
the positioning device is used for determining the position of the sliding block in the sliding direction of the sliding block and is arranged on the sliding block;
the height measuring device is used for measuring the height of the top surface of the printing platform and is arranged on the sliding block;
and the sliding block, the positioning device and the height measuring device are all in communication connection with the control device.
Preferably, the slide is a print carriage.
Preferably, the positioning device is a grating ruler or a magnetic grating ruler.
Preferably, the height measuring device comprises a probe driving device, a measuring probe and a probe detecting device which are respectively and electrically connected with the control device; the measuring probe is fixed at the bottom end of the probe driving device; the probe driving device is used for driving the measuring probe to move up and down, the measuring probe is used for sending a contact signal to the control device after contacting the top surface of the printing platform, and the probe detection device is used for detecting the movement distance of the measuring probe.
Preferably, the measurement probe comprises a resilient member to send a contact signal to the control means when compressed.
Preferably, the probe driving device is an electromagnet, a linear motor, an air cylinder or a hydraulic cylinder.
Preferably, the probe detection device comprises a photoelectric switch fixed on the printing trolley and a sensing sheet matched with the photoelectric switch, and the sensing sheet is fixed on the measuring probe so as to change the shielding condition of the photoelectric switch along with the movement of the measuring probe.
Preferably, the altimetry device comprises a laser rangefinder.
Preferably, the height measuring device comprises an infrared distance meter.
A printer comprises the automatic flatness measuring device for the printing platform.
The utility model provides a print platform plane degree automatic measuring device, include: a printing platform; the sliding block is arranged above the printing platform and is connected to the horizontal guide rail in a sliding manner; the positioning device is used for determining the position of the sliding block in the sliding direction of the sliding block and is arranged on the sliding block; the height measuring device is used for measuring the height of the top surface of the printing platform and is arranged on the sliding block; the control device, the sliding block, the positioning device and the height measuring device are all in communication connection with the control device.
The positioning device and the height measuring device can respectively and automatically detect the horizontal position information of the sliding block at the same position and the height information of the sliding block and the printing platform, and then the control device can judge the flatness condition according to the deviation condition of the height information of different positions on the top surface of the printing platform, so that the flatness detection efficiency of the printing platform can be improved.
The utility model provides a printer including above-mentioned print platform plane degree automatic measuring device, its print platform's plane degree can be detected by the high efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of an automatic flatness measuring device for a printing platform provided by the present invention;
fig. 2 is the utility model provides a print platform plane degree automatic measuring device in the interior structure chart of height measuring device.
Reference numerals:
the printing device comprises a printing platform 1, a printing trolley 2, a guide rail 3, a positioning device 4, a height measuring device 5, a photoelectric switch seat 51, a measuring probe 52, a probe detection device 53, a sensing sheet 54, a photoelectric switch 55, an electromagnet 56 and a fixing plate 57.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a print platform plane degree automatic measuring device, its plane degree that can high-efficient detection print platform. The utility model discloses an another core provides a printer including above-mentioned print platform plane degree automatic measuring device, and its print platform's plane degree can be detected by the high efficiency.
In a specific embodiment of the device for automatically measuring the flatness of a printing platform, please refer to fig. 1 and fig. 2, which includes a printing platform 1, a slider, a guide rail, a positioning device 4, a height measuring device 5 and a control device.
The slider setting is in print platform 1's top, and slider sliding connection is on horizontal guide rail 3, and the slider slides along the horizontal direction on guide rail 3, and guide rail 3 provides the reference height for the detection of print platform plane degree, and the height of slider is unchangeable. The guide rail 3 is specifically a linear guide rail beam.
The positioning device 4 is arranged on the sliding block and used for determining the position of the sliding block in the sliding direction of the sliding block, and automatic positioning of the sliding block in the horizontal direction is achieved. The height measuring device 5 is arranged on the sliding block and used for measuring the height difference of the top surface of the printing platform 1, specifically measuring the height difference between a point of a set position with unchanged height on the sliding block and different positions on the top surface of the printing platform 1, and taking the height difference as the height of different positions on the top surface of the printing platform 1.
The sliding block, the positioning device 4 and the height measuring device 5 are all in communication connection with the control device, the control device can store horizontal position information and height measuring results of the sliding block at the same moment in a matching mode, and flatness can be judged according to comparison of the height measuring results at different positions.
In this embodiment, the positioning device 4 and the height measuring device 5 can respectively and automatically detect the horizontal position information of the slider at the same position and the height information of the printing platform 1, and the control device can determine the flatness condition according to the deviation condition of the height information of different positions on the top surface of the printing platform, so that the flatness detection efficiency of the printing platform 1 can be improved.
Further, the slider is printing dolly 2, that is to say, height measuring device 5 and positioner 4 directly set up on printing dolly 2, then in the flatness detection process, need not adjust the position of printing dolly 2 repeatedly in order to vacate the height measurement space, and the flatness detection can be carried out to direct removal printing dolly 2.
Further, the positioning device 4 is a grating ruler, and in other embodiments, may also be a magnetic grating ruler, and the precision may reach 0.001 mm.
Further, the height measuring device 5 includes a probe driving device, a measuring probe 52, and a probe detecting device 53, which are electrically connected to the control device, respectively. A measurement probe 52 is secured to the bottom end of the probe drive. The probe driving device is used for driving the measuring probe 52 to move up and down. The measuring probe 52 is used for sending a contact signal to the control device after contacting the top surface of the printing platform 1, and the probe detection device 53 is used for detecting the movement distance of the measuring probe 52. In particular, the control device can be used as a height measurement result of the height measuring device 5 as a function of the distance moved by the measuring probe 52 from the initial height to the position at which the contact signal is transmitted. In addition, after receiving the contact signal, the control device may control the probe driving device to drive the measurement probe 52 to reset. Specifically, the probe driving device is fixed on the slider.
Since the probe detection device 53 sends a contact signal after contacting the printing platform 1, the top surface of the printing platform 1 can be detected by the measurement probe 52, and the accuracy of flatness detection can be improved.
Further, the measuring probe 52 comprises a spring to send a contact signal to the control device when compressed. By the resilient arrangement of the measurement probe 52 it is further ensured that the contact signal is emitted after the measurement probe 52 has contacted the printing platform 1.
Furthermore, the probe driving device is an electromagnet 56, and the control is convenient. The electromagnet 56 is energized and its plunger drives the measurement probe 52 downward. Meanwhile, the movable iron core is connected to the spring, and after the power failure, the spring drives the movable iron core and the measuring probe 52 to reset. Of course, in other embodiments, the probe driving device can also be a linear motor or an air cylinder or a hydraulic cylinder.
Further, the probe detection device 53 includes a photoelectric switch 55 fixed on the print carriage 2 and a sensing sheet 54 matched with the photoelectric switch 55, the sensing sheet 54 is fixed on the measurement probe 52, so as to change the shielding condition of the photoelectric switch 55 along with the movement of the measurement probe 52, and can accurately measure the value of the height gap between different positions and the set height of the top surface of the print platform 1.
As shown in fig. 2, the measurement probe 52 moves down synchronously with the sensing plate 54, and in the process of moving down, the state of the photoelectric switch 55 is changed from non-shielding to shielding, so that the photoelectric switch is triggered to generate a trigger signal, the sensing plate 54 is driven to move up by resetting movement after the measurement probe 52 contacts the top surface of the printing platform 1, when the sensing plate 54 leaves the photoelectric switch 55, the photoelectric switch 55 generates a closing signal, and the control device can judge the distance of moving down of the measurement probe 52 and determine the value of the height gap by combining the time difference between the trigger signal generated by the photoelectric switch 55 and the closing signal with the movement speed of the measurement probe 52, or by combining the time difference between the trigger signal generated by the photoelectric switch 55 and the contact of the measurement probe 52 to the top surface of the printing platform 1 with the movement speed of the measurement probe 52.
Of course, in other embodiments, the height measuring device 5 may be directly configured as a laser range finder, and the height measurement is realized by sending laser to the top surface of the printing platform 1. Alternatively, the height measuring device 5 may be an infrared distance meter.
In the detection device in this embodiment, the printing trolley 2 is provided with the height measuring device 5 and the magnetic grid ruler, the software of the control device can control the action of the height measuring device 5 and read the position signal of the magnetic grid ruler, the magnetic grid ruler feeds back the position data of the printing trolley 2, the height measuring device 5 obtains the height gap, the height gap is compared with the reference point to obtain the deviation value, and the height position of the measuring point is obtained and recorded. Then, the numerical values of the reference points and the deviation points are automatically obtained through software operation of the control device, the measurement data of each time are read and recorded through software, the reference points are automatically selected by an algorithm to judge the deviation values of all the measurement positions, so that the flatness and the point positions needing to be adjusted are obtained, the measurement precision and the accuracy are high, the repeatability is good, the printing trolley 2 does not need to be moved manually, the measurement result is automatically recorded and analyzed, the flatness is more conveniently adjusted, the detection precision can be greatly improved, the labor cost is reduced, and the method can be applied to the detection of the flatness of the printing platform of a flat plate or plate rolling printer.
Except above-mentioned print platform plane degree automatic measuring device, the utility model also provides a printer specifically can be digital inkjet printing equipment. The printer comprises a printing platform flatness automatic measuring device, specifically can be the printing platform flatness automatic measuring device provided in any one of the above embodiments, and has the beneficial effects that the above embodiments can be referred correspondingly. For the structure of other parts of the printer, please refer to the prior art, and the description is omitted here.
It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above the utility model provides a print platform plane degree automatic measuring device and printer have carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. An automatic measuring device for flatness of a printing platform is characterized by comprising:
a printing platform (1);
the sliding block is arranged above the printing platform (1) and is connected to the horizontal guide rail (3) in a sliding manner;
a positioning device (4) for determining the position of the slide in the sliding direction thereof, the positioning device (4) being provided on the slide;
the height measuring device (5) is used for measuring the height of the top surface of the printing platform (1), and the height measuring device (5) is arranged on the sliding block;
and the sliding block, the positioning device (4) and the height measuring device (5) are all in communication connection with the control device.
2. The automated printing platform flatness measuring device of claim 1, wherein the slide is a print carriage.
3. The printing platform flatness automatic measuring device according to claim 2, characterized in that the positioning device (4) is a grating ruler or a magnetic grating ruler.
4. The automatic measuring device of the flatness of the printing platform according to claim 3, wherein the height measuring device (5) comprises a probe driving device, a measuring probe (52) and a probe detecting device (53) which are respectively electrically connected to the control device; the measuring probe (52) is fixed at the bottom end of the probe driving device; the probe driving device is used for driving the measuring probe (52) to move up and down, the measuring probe (52) is used for sending a contact signal to the control device after contacting the top surface of the printing platform (1), and the probe detection device (53) is used for detecting the movement distance of the measuring probe (52).
5. Printing platform flatness automatic measuring device according to claim 4, characterised in that the measuring probe (52) comprises a spring to send a contact signal to the control device when compressed.
6. The automatic printing platform flatness measuring device according to claim 4, wherein the probe driving device is an electromagnet (56) or a linear motor or an air cylinder or a hydraulic cylinder.
7. The automatic measuring device of the printing platform flatness according to claim 4, characterized in that the probe detecting device (53) comprises a photoelectric switch (55) fixed on the printing trolley (2) and a sensing sheet (54) matched with the photoelectric switch (55), the sensing sheet (54) is fixed on the measuring probe (52) to change the shielding condition of the photoelectric switch (55) along with the movement of the measuring probe (52).
8. Printing platform flatness automatic measuring device according to claim 1, characterized in that the height measuring device (5) comprises a laser rangefinder.
9. Automatic measuring device of the planarity of printing platforms according to claim 1, characterised in that said altimetric means (5) comprise an infrared distance meter.
10. A printer comprising an automatic measuring device of the flatness of a printing platform according to any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023061404.1U CN214492129U (en) | 2020-12-17 | 2020-12-17 | Automatic measuring device for flatness of printing platform and printer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023061404.1U CN214492129U (en) | 2020-12-17 | 2020-12-17 | Automatic measuring device for flatness of printing platform and printer |
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| CN214492129U true CN214492129U (en) | 2021-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643786A (en) * | 2020-12-17 | 2022-06-21 | 深圳市润天智数字设备股份有限公司 | Automatic measuring device for flatness of printing platform and printer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114643786A (en) * | 2020-12-17 | 2022-06-21 | 深圳市润天智数字设备股份有限公司 | Automatic measuring device for flatness of printing platform and printer |
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