CN-224210757-U - Parallel calibrating device for screen printing scraper and printing plane

Abstract

The utility model discloses a parallel calibration device and a method for a screen printing scraper and a printing plane, wherein two ends of the scraper are respectively provided with a micro head for adjusting the balance of two ends of the scraper; the device comprises a printing platform, a rotating fulcrum, a pressure sensor, a display screen, a lifting base, a lifting driving piece, a horizontal adjusting component, a scraper, a supporting rod, a rotating fulcrum and a horizontal adjusting component. The parallelism between the scraper and the printing plane can be accurately and quantitatively regulated directly according to the pressure value displayed by the display screen, the parallelism between the scraper and the printing plane can be quickly calibrated at one time, the calibration work is accurate and reliable, the calibration result is stable, the calibration operation difficulty is effectively reduced, and the calibration work efficiency is greatly improved.

Inventors

• XIAO HUI
• LI JIANLI
• ZOU WEI

Assignees

• 长沙建宇网印机电设备有限公司

Dates

Publication Date

20260508

Application Date

20250611

Claims (4)

1. 1. A parallel calibration device for a screen printing scraper and a printing plane comprises a scraper and a printing platform and is characterized in that differential heads for adjusting balance of two ends of the scraper are respectively arranged at two ends of the scraper, a calibration strip is arranged on one side of the printing platform in parallel and corresponds to the scraper above the calibration strip, the lower surface of the calibration strip is supported on a rotating fulcrum in a centered mode, two pressure sensors are symmetrically distributed on two sides of the rotating fulcrum and correspond to the lower surfaces of two ends of the calibration strip, a sensor of the pressure sensor is connected with a display screen in a signal mode, the rotating fulcrum and the pressure sensor are installed on a lifting base, the lifting base is installed on a lifting driving piece, the lifting driving piece is installed on a bottom plate, and the bottom plate is provided with a horizontal adjustment component.
2. 2. The device for aligning a doctor blade with a printing plane in parallel according to claim 1, wherein the rotation fulcrum comprises an upper connecting piece fixedly connected under the alignment strip and a lower connecting piece fixedly connected on the lifting base, the bearing is mounted on a supporting shaft of the lower connecting piece, a waist-shaped hole is formed in the upper connecting piece, and the waist-shaped hole is sleeved on an outer ring of the bearing.
3. 3. The device for calibrating the parallelism of the screen printing scraper and the printing plane according to claim 1, wherein two guide blocks are symmetrically distributed on two sides of the rotating fulcrum, the upper ends of the guide blocks are connected with the lower surface of the calibrating strip, guide grooves are arranged on the lifting base corresponding to the guide blocks, the lower parts of the guide blocks are inserted into the guide grooves, and the guide blocks and the guide grooves are positioned between the rotating fulcrum and the pressure sensor.
4. 4. The device for aligning a screen printing doctor with a printing plane according to claim 1, wherein the horizontal adjusting assembly comprises four horizontal adjusting bolts respectively arranged at four corners of the bottom plate.

Description

Parallel calibrating device for screen printing scraper and printing plane Technical Field The utility model relates to the field of screen printing, in particular to a device for calibrating parallelism between a scraper of a screen printer and a printing plane. Background Before the screen printing equipment works, the parallelism between the scraper of the screen printer and the printing plane should be calibrated and adjusted, and the accuracy of adjustment is directly related to the printing precision or the printing quality of the printing object. In the prior art, the parallelism of the scraper and the printing plane of the screen printing equipment is calibrated repeatedly through manual visual inspection, so that the method has high empirical technical requirements on operators and high operation difficulty, the operation difficulty is high, the operation can be completed only through repeated calibration and test debugging processes, the workload is high, and the calibration result has instability and influences on the working efficiency. Disclosure of utility model In order to solve the above-mentioned drawback, the technical problem to be solved by the utility model is to provide a device for calibrating the parallelism between the scraper and the printing plane of the screen printer, which effectively reduces the difficulty of calibration operation and effectively improves the calibration work efficiency. In order to solve the technical problems, the parallel calibration device for the screen printing scraper and the printing plane comprises a scraper and a printing platform and is characterized in that differential heads for adjusting the balance of the two ends of the scraper are respectively arranged at the two ends of the scraper, a calibration strip is arranged on one side of the printing platform in parallel and corresponds to the scraper above the calibration strip, two pressure sensors are symmetrically distributed on the two sides of the rotation pivot and correspond to the two ends of the calibration strip, the pressure sensors are connected with a display screen through signals, the rotation pivot and the pressure sensors are arranged on a lifting base, the lifting base is arranged on a lifting driving piece, the lifting driving piece is arranged on a bottom plate, and the bottom plate is provided with a horizontal adjusting component. In one embodiment, the rotation fulcrum comprises an upper connecting piece fixedly connected below the calibration strip and a lower connecting piece fixedly connected on the lifting base, the bearing is arranged on a supporting shaft of the lower connecting piece, a waist-shaped hole is formed in the upper connecting piece, and the waist-shaped hole is sleeved on an outer ring of the bearing. In one embodiment, two guide blocks are symmetrically distributed on two sides of the rotating pivot, the upper ends of the guide blocks are connected with the lower surfaces of the calibration bars, guide grooves are arranged on the lifting base corresponding to the guide blocks, the lower parts of the guide blocks are inserted into the guide grooves, and the guide blocks and the guide grooves are positioned between the rotating pivot and the pressure sensor. In one embodiment, the horizontal adjusting component is four horizontal adjusting bolts respectively arranged at four corners of the bottom plate. The utility model has the advantages that the parallelism between the scraper and the printing plane is not repeatedly debugged by means of manual visual inspection, the accurate quantitative adjustment can be directly carried out according to the pressure value displayed by the display screen, the parallelism between the scraper and the printing plane is quickly calibrated at one time, the calibration work is accurate and reliable, the calibration result is stable, the calibration operation difficulty is effectively reduced, and the calibration work efficiency is greatly improved. Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time. In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. 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 utility model belongs. The term