CN217227090U

CN217227090U - Automatic printing machine with correcting function

Info

Publication number: CN217227090U
Application number: CN202121410554.0U
Authority: CN
Inventors: 谢和易; 杨士贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-24
Filing date: 2021-06-24
Publication date: 2022-08-19
Anticipated expiration: 2031-06-24

Abstract

The utility model provides an automatic printing machine of utensil calibration function, it contains frame, conveyer belt, image identification module, control module and print module. The conveyer belt sets up in the frame, and the image identification module sets up in the frame, and control module signal connection image identification module, print module set up in frame and signal connection control module. The at least one object for correction is positively rotated by the conveyor belt to be transmitted to the printing module, the printing module prints on the at least one object for correction, then the at least one object for correction is transmitted back to the image recognition module by the conveyor belt to capture a corrected image of the at least one object for correction, and the corrected image of the at least one object for correction is received by the control module to be corrected and analyzed. Thereby reducing errors and improving printing accuracy.

Description

Automatic printing machine with correcting function

Technical Field

The present invention relates to an automatic printing machine with correction function, and more particularly to an automatic printing machine with correction function using an image to perform correction.

Background

In the shoe manufacturing industry, generally, in the pull-up type shoe manufacturing (or called as california type), mark lines are printed on a base fabric in a shoe, and after the mark lines are combined with a vamp by using a needle machine, a shoe last is arranged for subsequent engineering. The existing marking lines are printed by manual screen plates, so that screen plates with different sizes are required to be arranged to correspond to shoe insole base fabrics with different sizes, and therefore, the cost of the screen plates is increased, the labor cost is also required, and the manufacturing cost is high.

In order to reduce the cost, some manufacturers have introduced automatic printing machines that automatically transfer the shoe soles to the underside of the printing module by means of a conveyor belt, thereby enabling automatic printing. However, the base fabric in the shoe is dynamically transported on the conveyor belt, and is prone to errors in positioning and printing displacements. In addition to the shoe insole cloth, other kinds of objects to be printed have the same problem in the process of transmission printing, so that how to improve the printing accuracy of the automatic printing machine and reduce errors becomes a problem to be solved by related manufacturers.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an utensil calibration function's automatic printing machine through the reducible error of calibration procedure, promotes and prints the precision.

According to the utility model discloses an embodiment provides an automatic printing machine of utensil calibration function, and it contains frame, conveyer belt, image identification module, control module and print module. The conveyer belt sets up in the frame, and the image identification module sets up in the frame, and control module signal connection image identification module, print module set up in frame and signal connection control module. The at least one object for correction is positively rotated by the conveyor belt to be transmitted to the printing module, the printing module prints on the at least one object for correction, then the at least one object for correction is transmitted back to the image recognition module by the conveyor belt to capture a corrected image of the at least one object for correction, and the corrected image of the at least one object for correction is received by the control module to be corrected and analyzed.

Therefore, all dynamic errors in the operation process can be obtained by capturing the printed correction image of the correction object and performing correction analysis, so as to perform subsequent correction.

The automatic printing machine with calibration function according to the above embodiment, wherein the conveyor belt may include a conveying surface, at least one identification pattern group is displayed on the conveying surface, the image recognition module captures a position image of the at least one calibration object and the at least one identification pattern group, and the control module provides a printing position of the printing module corresponding to the at least one calibration object relative to the at least one identification pattern group after analyzing the position image, so that the printing module prints on the at least one calibration object.

According to the automatic printing machine with the calibration function of the above embodiment, the number of the at least one recognition pattern group may be plural, the number of the at least one calibration object is plural and equal to the number of the plural recognition pattern groups, and the control module calculates the calibration parameter of each recognition pattern group according to the calibration image of each calibration object.

According to the automatic printing machine with the calibration function of the foregoing embodiment, a plurality of position patterns can be displayed on the conveying surface, each position pattern corresponds to each recognition pattern group, and the image recognition module captures the position patterns corresponding to the recognition pattern groups to specify the calibration parameters corresponding to the recognition pattern groups.

The automatic printing machine with calibration function according to the foregoing embodiment, wherein the position pattern may include characters, graphics or a combination thereof.

According to the automatic printing machine with the calibration function of the above embodiment, the printing module can print the calibration pattern on the at least one calibration object, and the calibration pattern of the at least one calibration object is selected by the control module according to the material and the appearance texture of the at least one calibration object.

The automatic printing machine with calibration function according to the above embodiment, wherein the calibration pattern of the at least one calibration object may include a plurality of geometric figures or a plurality of lines.

Drawings

Fig. 1 is a schematic perspective view of an automatic printing machine with correction function according to embodiment 1 of the present invention;

FIG. 2 is a partially exploded view of the automatic printing press with calibration function of FIG. 1, embodiment 1;

FIG. 3 is a schematic top view of the automatic printing press with calibration function of the embodiment 1 in FIG. 1;

FIG. 4 is a schematic top view of the conveying surface and the calibration object of the automatic printing machine with calibration function shown in FIG. 1 according to the first embodiment;

fig. 5 is a block flow diagram illustrating an automatic printing correction method according to embodiment 2 of the present invention; and

FIG. 6 is a flowchart illustrating steps of the automatic print correction method of FIG. 2 according to the embodiment of FIG. 5.

Detailed Description

Embodiments of the present invention will be described below with reference to the accompanying drawings. For the purpose of clarity, numerous implementation details are set forth in the following description. However, the reader should understand that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, for the sake of simplicity, some conventional structures and elements are shown in the drawings in a simple schematic manner; and repeated elements will likely be referred to using the same reference number or similar reference numbers.

Furthermore, the terms first, second, third, etc. herein are used only to describe various elements or components, and there is no limitation to the elements/components themselves, and thus a first element/component may be referred to as a second element/component instead. And the combination of elements/components/mechanisms/modules herein is not a commonly known, conventional or existing combination in the art, and it is not possible to determine whether the combination relationship is easily accomplished by a person skilled in the art based on whether the elements/components/mechanisms/modules themselves are prior art.

Referring to fig. 1, fig. 2 and fig. 3, wherein fig. 1 is a schematic perspective view illustrating an automatic printing machine 1000 with a calibration function according to an embodiment of the present invention 1, fig. 2 is a schematic partial explosion view illustrating the automatic printing machine 1000 with the calibration function according to the embodiment of fig. 1, and fig. 3 is a schematic top view illustrating the automatic printing machine 1000 with the calibration function according to the embodiment of fig. 1. The automatic printing machine 1000 with calibration function includes a base 1100, a conveyor 1200, an image recognition module 1300, a control module (not shown), and a printing module 1400. The conveying belt 1200 is arranged on the base 1100, the image recognition module 1300 is arranged on the base 1100, the control module is in signal connection with the image recognition module 1300, and the printing module 1400 is arranged on the base 1100 and in signal connection with the control module. At least one calibration object S1 (shown in fig. 4) is positively transferred to the printing module 1400 by the conveyor 1200, the printing module 1400 prints on the at least one calibration object S1, the at least one calibration object S1 is then transferred back to the image recognition module 1300 by the conveyor 1200 to capture a calibration image of the at least one calibration object S1, and the calibration image of the at least one calibration object S1 is received by the control module for calibration analysis.

Therefore, all dynamic errors in the operation process can be obtained by capturing the correction image of the printed correction object S1 and performing correction analysis, so as to perform subsequent correction. The details of the automatic printing press 1000 with correction function will be described later in more detail.

In embodiment 1, the printing module 1400 is an inkjet type and includes a plurality of nozzles, and can print on the calibration object S1. The printing module 1400 is an improvement focus of the prior art and is not the case, and details are not repeated.

The conveyor 1200 may include a conveying surface 1201, at least one recognition pattern group P1 is displayed on the conveying surface 1201, the image recognition module 1300 captures a position image of the at least one calibration object S1 and the at least one recognition pattern group P1, and after the position image is analyzed by the control module, the printing module 1400 provides a printing position of the at least one calibration object S1 relative to the at least one recognition pattern group P1, so that the printing module 1400 prints on the at least one calibration object S1.

In detail, the conveying belt 1200 may have an annular belt structure, and the motor drives the roller to rotate the conveying belt 1200 in a circulating manner, and the structure of the conveying belt 1200 is an important point of improvement in the prior art and is not described in detail herein. The set of identification patterns P1 displayed on the conveying surface 1201 may be formed by printing in embodiment 1, and in other embodiments, the set of identification patterns may be displayed on the conveying surface by light projection, adhesion or other methods as long as the image recognition module can obtain the image. The recognition pattern group P1 may include various pattern marks such as a straight mark and a dot mark, and the angle and distance of the calibration object S1 with respect to the dot mark or the straight mark in the recognition pattern group P1 can be calculated by the pattern arrangement of the recognition pattern group P1, so that the printing position of the calibration object S1 can be obtained. Thus, after the print position is obtained, the print module 1400 can print according to the print position.

The image recognition module 1300 may include a camera support 1310, a fixing portion 1320, and a camera 1330, wherein the camera support 1310 includes two uprights 1311 and a cross bar 1312, the two uprights 1311 are respectively disposed at two sides of the conveyor 1200, the cross bar 1312 is connected between the two uprights 1311, the fixing portion 1320 is disposed at the cross bar 1312, and the camera 1330 is disposed at the fixing portion 1320, and the lens of the camera is facing downward and is capable of corresponding to the conveying surface 1201, when the conveyor 1200 rotates forward, the image recognition module 1300 may capture the recognition pattern group P1 and the blank calibration object S1, and when the conveyor 1200 rotates backward, the image recognition module 1300 may capture the printed calibration object S1.

In order to avoid the warpage of the calibration object S1 affecting the shooting or printing result, the automatic printing machine 1000 with calibration function may further include a material pressing mechanism 1500 disposed on the base 1100, the material pressing mechanism 1500 may include four

actuating elements

1510,1520,1530,1540, the four actuating

elements

1510,1520,1530,1540 corresponding to the conveying surface 1201 and arranged at intervals, the shooting range of the image recognition module 1300 is located between the two actuating

elements

1510,1520, and the printing range of the printing module 1400 is located between the other two actuating

elements

1530, 1540. The actuating element 1510 may include a wheel shaft 1511, three pressing members 1512 and two lifting members 1513, the two lifting members 1513 are respectively disposed on two sides of the conveyor 1200 and have electromagnetic valve structures, the wheel shaft 1511 is connected between the two lifting members 1513 and is driven by the lifting members 1513 to lift, and the three pressing members 1512 are disposed through the wheel shaft 1511 and spaced apart from each other. The actuating

elements

1520,1530,1540 have the same structure as the actuating element 1510, and thus, the description thereof is omitted.

The pressing mechanism 1500 may further include a pressing bracket 1550 and a twelve wire body 1560, the pressing bracket 1550 is fixed on the base 1100, wherein the actuating

elements

1510,1520,1530, and 1540 are respectively connected with a three wire body 1560, and finally the three wire body 1560 may be connected between the actuating element 1510 and the pressing bracket 1550, and the wire body 1560 may be a pressing member connected to the pressing member 1512 and the other actuating

elements

1520,1530, and 1540. In this way, the lifting member 1513 is lowered to drive the wire body 1560 to flatten the calibration object S1.

As shown in fig. 1 to 3, the number of the at least one recognition pattern group P1 may be plural, so that the number of the at least one calibration object S1 may also be plural and equal to the number of the plurality of recognition pattern groups P1, and the control module may calculate the calibration parameters of each recognition pattern group P1 according to the calibration image of each calibration object S1. Further, a plurality of position patterns P2 may be displayed on the conveying surface 1201, each position pattern P2 corresponds to each recognition graph group P1, and the image recognition module 1300 retrieves the position pattern P2 corresponding to the recognition graph group P1 to specify the calibration parameters of the recognition graph group P1.

The sets of identification patterns P1 may be arranged at intervals along the conveying direction of the conveying belt 1200, and in the embodiment 1, the number of the sets of identification patterns P1 may be 6, but not limited thereto. The number of the position patterns P2 is also 6, and the 6 position patterns P2 are respectively located at one side of the 6 recognition graph groups P1, and the position pattern P2 may include characters, graphs or a combination thereof. In embodiment 1, the position pattern P2 may be numbers 1 to 6, but not limited thereto.

Referring to fig. 4 and fig. 1 to 3 together, fig. 4 is a schematic top view of a conveying surface 1201 of the automatic printing press 1000 with calibration function and a calibration object S1 in the embodiment of fig. 1 shown in fig. 1. For example, the conveyor 1200 may first convey the calibration object S1, the calibration object S1 is placed on the recognition pattern group P1, the number of the position pattern P2 corresponding to the recognition pattern group P1 is 1, and the image recognition module 1300 may capture the position pattern P2, the recognition pattern group P1, and the calibration object S1 to obtain a position image, and then the printing module 1400 prints the calibration pattern C1 on the calibration object S1. Then, the conveyor 1200 may reverse to return the calibration object S1 printed with the calibration pattern C1 to the bottom of the image recognition module 1300 again, and the image recognition module 1300 captures a calibration image containing the calibration pattern C1. The correction pattern C1 may include a plurality of geometries to form a geometry matrix, and the correction pattern C1 is illustrated in fig. 4 as a dot matrix. In the absence of errors, the geometric matrix in the corrected image should be arranged normally, and if errors occur, the geometric matrix will be shifted or skewed, so as to analyze the errors of the recognition pattern group P1 with the number 1 belonging to the position pattern P2. After all the sets of identification patterns P1 are processed in this manner, the error belonging to each identification pattern set P1 can be obtained. Because image recognition module 1300 shoots and has the error, the error of conveyer belt 1200 each position is also different when the transmission, so can obtain the error of different positions on the conveyer belt 1200 through this mode, and can provide the correction parameter that each position is different, can know from this, the utility model discloses an automatic printing machine 1000 of utensil corrective function can improve the dynamic transmission error of conveyer belt 1200 and the composite error that gets for instance the error formation of camera 1330 and camera lens, and then promotes the precision of whole printing. It should be noted that, since the conveyor 1200 only transmits one correction object S1 at a time, only one correction object S1 is illustrated in fig. 4, which is not intended to limit the present invention.

In other embodiments, the calibration pattern may include other patterns, and the calibration pattern may be selected by the control module according to the material and appearance texture of the calibration object. In other words, when the material of the calibration object is a material with large pores, it may not be suitable for printing the dot matrix, and the dot matrix may be changed to a line, for example, to achieve the same effect. It should be particularly noted that the material and the style of the calibration object may be the same as those of the actual object to be printed, which is helpful to improve the accuracy of the subsequent printing, and although the calibration object S1 in fig. 4 is exemplified by the middle sole cloth, in other embodiments, the object to be printed may be a shoe outsole, a shoe upper, or other material to be printed, which is not limited by the present invention.

Referring to fig. 5, and referring to fig. 1 to 4 together, fig. 5 is a block flow diagram illustrating an automatic printing calibration method 2000 according to embodiment 2 of the present invention. The automatic printing correction method 2000 includes a conveying step 201, a position image capturing step 202, a correction pattern printing step 203, a correction image capturing step 204, and a correction image analyzing step 205, and the details of the automatic printing correction method 2000 will be described below with reference to the automatic printing press 1000 having a correction function.

In the transporting step 201, the transporting belt 1200 is provided to automatically transport at least one calibration object S1.

In the step 202 of capturing position images, the image recognition module 1300 is enabled to capture at least one position image of the at least one calibration object S1, the at least one position image of the at least one calibration object S1 includes the at least one calibration object S1 and at least one recognition pattern group P1, and the control module is enabled to analyze the at least one position image of the at least one calibration object S1 to provide the at least one calibration object S1 with a printing position corresponding to the at least one recognition pattern group P1.

In the calibration pattern printing step 203, the printing module 1400 receives the printing position of the at least one calibration object S1 for automatic printing on the at least one calibration object S1.

In the step 204 of capturing a calibration image, the conveyor 1200 is driven to transmit the at least one calibration object S1 to the image recognition module 1300 for capturing a calibration image of the at least one calibration object S1.

In the step 205 of analyzing the calibration image, the control module performs a calibration analysis according to the calibration image of the at least one calibration object S1.

The number of the at least one recognition pattern group P1 may be plural, the number of the at least one calibration object S1 is plural and equal to the number of the plurality of recognition pattern groups P1, and in the calibration image analyzing step 205, the control module calculates the calibration parameters of each recognition pattern group P1 according to the calibration image of each calibration object S1. Further, each recognition pattern group P1 may correspond to the position pattern P2, and in the step 202 of capturing the position image, the control module recognizes the captured recognition pattern group P1 according to the captured position pattern P2 to associate the calibration parameters with each recognition pattern group P1, thereby giving a dedicated calibration parameter to each recognition pattern group P1 at different positions.

In addition, in the position image capturing step 202, the control module may analyze the material of the at least one calibration object S1, and in the calibration pattern printing step 203, the printing module 1400 prints the calibration pattern C1 corresponding to the material of the at least one calibration object S1, so as to select the appropriate calibration pattern C1 for the calibration objects S1 with different materials.

Referring to fig. 6 and fig. 1 to 5 together, wherein fig. 6 is a flowchart illustrating steps of an automatic printing correction method 2000 according to the embodiment 2 of fig. 5. In step S01, the calibration process starts, and the process proceeds to step S02 to rotate the conveyor 1200 forward, and then step S03 is executed, in which the image recognition module 1300 captures a position pattern P2 to execute step S04 to determine whether the current shooting position is correct, wherein the position is the position where the recognition pattern group P1 is displayed, the position that has not been calibrated, or the position that is expected to be calibrated. If yes, step S05 can be executed to confirm whether the calibration object S1 in the image is located at the correct position, and if the position of the calibration object S1 is incorrect, step S07 can be executed to reset the calibration object S1, if the position is correct, step S06 can be executed to select the calibration pattern C1 by the control module according to the material of the calibration object S1 and give it to the printing position, so step S08 can be proceeded to, and the printing module 1400 prints the calibration object S1 according to the indicated calibration pattern C1 and the printing position.

Subsequently, step S09 may be executed to reverse the conveyor 1200 and return the calibration object S1 with the calibration pattern C1 printed thereon to the position below the image recognition module 1300 again, step S10 may be executed to capture a calibration image of the calibration object S1 by the camera 1330 of the image recognition module 1300, the calibration image may be transmitted to the control module, step S11 may be executed to perform calibration analysis, and after the deviation, skew or abnormality of the calibration pattern C1 is confirmed, calibration parameters may be generated, step S12 may be executed to assign the calibration parameters to the recognition pattern group P1 at the position and store the calibration parameters.

Then, step S13 is executed again to determine whether the next position is corrected, and steps S02 to S13 are repeated until all the positions are corrected, and step S14 is executed to end the correction.

After completing the automatic printing calibration method 2000, the conveyor 1200 may formally convey the material to be printed, the image recognition module 1300 may capture the position image of the material to be printed and the recognition pattern group P1 where the position image is located, and the control module may also analyze the position image to provide the printing position, and the printing module 1400 may print the printing pattern on the material to be printed according to the printing position and the stored calibration parameters. Thus, the printing module 1400 uses the calibration parameters, thereby improving the printing accuracy.

Although the present invention has been described with reference to the above embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be determined by the appended claims.

[ notation ] to show

1000 automatic printing machine with correcting function

1100 machine base

1200, conveying belt

1201 conveying surface

1300 image identification module

1310 camera support

1311 upright stanchion

1312 cross bar

1320, fixing part

1330 camera

1400 print module

1500 pressing mechanism

1510,1520,1530,1540 actuating assembly

1511 wheel axle

1512 a pressing member

1513 lifting/lowering member

1550 material pressing support

1560 line body

2000 automatic printing correction method

201, a conveying step 202, a position image capturing step 203, a correction pattern printing step 204, a correction image capturing step 205, a correction image analyzing step

C1 correction Pattern

P1 recognition pattern group

P2 position Pattern

S1 correction article

S01, S02, S03, S04, S05, S06, S07, S08, S09, S10, S11, S12, S13, S14.

Claims

1. An automatic printing press having a correction function, comprising:

a machine base;

the conveying belt is arranged on the base;

the image identification module is arranged on the base;

the control module is in signal connection with the image identification module; and

the printing module is arranged on the base and is in signal connection with the control module;

the printing module prints on the at least one calibration object, the at least one calibration object is transmitted back to the image recognition module by the conveyor belt to capture a calibration image of the at least one calibration object, and the calibration image of the at least one calibration object is received by the control module for calibration analysis.

2. The automatic printing machine with calibration function of claim 1, wherein the conveyor belt comprises a conveying surface, at least one recognition pattern set is displayed on the conveying surface, the image recognition module captures a position image of the at least one calibration object and the at least one recognition pattern set, and after the position image is analyzed by the control module, a printing position of the at least one calibration object relative to the at least one recognition pattern set is provided to the printing module for the printing module to print on the at least one calibration object.

3. The automatic printing machine with calibration function according to claim 2, wherein the number of the at least one recognition pattern set is plural, the number of the at least one calibration object is plural and equal to the number of the recognition pattern sets, and the control module calculates the calibration parameters of each recognition pattern set according to the calibration image of each calibration object.

4. The automatic printing machine with calibration function as claimed in claim 3, wherein a plurality of position patterns are displayed on the conveying surface, each position pattern corresponds to each recognition pattern set, and the image recognition module retrieves the position patterns corresponding to the recognition pattern sets to specify the calibration parameters of the recognition pattern sets.

5. The automatic printing press with correction function according to claim 4, wherein the position pattern comprises text, graphics or a combination thereof.

6. The automatic printing machine with calibration function as claimed in claim 1, wherein the printing module prints a calibration pattern on the at least one calibration object, and the calibration pattern of the at least one calibration object is selected by the control module according to the material and appearance texture of the at least one calibration object.

7. The automatic printing machine with calibration function according to claim 6, wherein the calibration pattern of the at least one calibration object comprises a plurality of geometric figures or a plurality of lines.