CN218536009U

CN218536009U - Calibration device arranged on workbench and elliptical printing machine thereof

Info

Publication number: CN218536009U
Application number: CN202222828434.3U
Authority: CN
Inventors: 柏禹
Original assignee: Shenzhen Dimension Machine Technology Co ltd
Current assignee: Shenzhen Dimension Machine Technology Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-02-28
Anticipated expiration: 2032-10-26

Abstract

The utility model discloses a set up calibrating device on workstation, including the platen, crossbeam and vision subassembly, the track sliding connection of crossbeam and oval calico printing machine, the platen is fixed in the crossbeam top, first inspection hole has been seted up on the crossbeam surface, the second inspection hole has been seted up to the platen, the vision subassembly sets up inside the crossbeam, the vision subassembly includes the light source, the camera lens, industrial camera and adjustment subassembly, first inspection hole below is located to the light source, the camera lens sets up in light source one side through the adjustment subassembly, the distance between adjustable camera lens of adjustment subassembly and the light source, camera lens and the coaxial setting of light source, industrial camera is fixed in the camera lens and keeps away from light source one end. The utility model provides a set up calibrating device on workstation, can the automated inspection go out calibrating device on half tone and the platen not align completely to judge that the condition of skew appears in the half tone, need in time adjust, avoid causing the production of more defective products. The utility model also provides an oval calico printing machine.

Description

Calibration device arranged on workbench and elliptical printing machine thereof

Technical Field

The utility model relates to a screen printing technical field especially relates to a set up calibrating device and oval calico printing machine on workstation.

Background

The printing speed and the printing quality of the printing machine on the market have become concerns now, and an oval printing machine is produced, a plurality of printing heads are arranged above an oval track in an oval track mode, a plurality of working tables are arranged in a sliding mode along the oval track, and conversion of different processes is achieved through movement of a bedplate, so that screen printing can be completed for many times at one time, assembly line production is formed, and production efficiency is improved.

But before current screen printing, need calibrate the printer head mechanism on the oval calico printing machine, the half tone of ensureing printer head mechanism all can ensure the proofreading accuracy, consequently, need calibrate every half tone, current calibration mode mainly adopts artificial mode, the workstation through a standard removes along oval track, the mode through artifical observation judges whether accurate to counterpoint of every half tone, to not accurate carrying out manual adjustment, this has also caused when changing different version types at every turn, the time that needs the adjustment is longer, production efficiency is slower.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a set up calibrating device and oval calico printing machine on workstation, can the automated inspection go out calibrating device on half tone and the platen not align completely to judge that the condition of skew appears in the half tone, need in time adjust, improve the speed of adjustment half tone.

The utility model discloses a set up calibrating device on workstation and the technical scheme that elliptical calico printing machine adopted is:

the utility model provides a set up calibrating device on workstation, includes platen, crossbeam and vision subassembly, the crossbeam is connected with oval calico printing machine's track sliding, the platen is fixed in the crossbeam top, the crossbeam surface has seted up first inspection hole, the platen corresponds first inspection hole and has seted up the second inspection hole, the vision subassembly is located and is the same with first inspection hole quantity, the vision subassembly sets up inside the crossbeam, the vision subassembly includes light source, camera lens, industrial camera and adjustment subassembly, the light source is located first inspection hole below, the light source adopts the coaxial light source of corner, the camera lens passes through the adjustment subassembly and sets up in light source one side, the distance between adjustable camera lens of adjustment subassembly and the light source, the camera lens sets up with the light source is coaxial, industrial camera is fixed in the camera lens and keeps away from light source one end.

Preferably, the number of the first detection holes is at least two, and the first detection holes are arranged along the extending direction of the cross beam.

As the preferred scheme, the adjusting assembly comprises a support and a lens fixing seat, the support is fixed in the beam, the lens fixing seat is connected with one side of the support in a sliding mode, the lens is fixed on the fixing seat, an extending block is arranged at the lower end of the lens fixing seat, a focusing knob is arranged on one side of the support and fixedly connected with the extending block, the support is in threaded connection with a focusing fixing knob, and the focusing fixing knob is used for limiting the extending block to slide.

Preferably, a heat insulation pad is arranged above the support.

As a preferred scheme, the vision assembly further comprises an industrial personal computer and a power supply, wherein the industrial personal computer and the power supply are fixed below the cross beam, and the industrial personal computer and the vision assembly perform data transmission.

An oval calico printing machine, includes oval track, printer head, half tone and foretell calibrating device who sets up on the workstation, the crossbeam that sets up the calibrating device on the workstation is along oval track sliding connection, printer head sets up in setting up in oval track top, printer head is located the calibrating device top that sets up on the workstation, the movably installation in printer head below of half tone, just half tone corresponds the calibrating device who sets up on the workstation and is equipped with the mark point.

Preferably, the number of the marking points is equal to the number of visual components of the calibration device arranged on the workbench.

The utility model discloses a set up calibrating device on workstation's beneficial effect is: the crossbeam is connected with the track of the elliptical printing machine in a sliding manner, so that the bedplate can be moved to the position below the corresponding screen printing plate, the first detection hole and the second detection hole in the crossbeam and the bedplate are correspondingly positioned below the screen printing plate, an industrial camera, a lens and a light source of the visual component penetrate through the first detection hole and the second detection hole to shoot the screen printing plate, and a mark point which is preset on the screen printing plate is identified, so that whether the alignment is accurate or not is judged, and if the mark point on the screen printing plate is judged to be deviated from the preset position, a worker is timely reminded of adjusting the mark point. Set up the vision subassembly on the crossbeam, when the platen appears damaging the condition, make things convenient for people to change the platen more, only need ensure on the platen second inspection hole and the crossbeam on the first inspection hole correspond set up can, when not needing the platen to examine time measuring for when bearing the printed matter, can directly change the platen that does not have the second inspection hole, thereby block first inspection hole, avoid having impurity to enter into the vision subassembly.

Drawings

Fig. 1 is a schematic structural diagram of a calibration device disposed on a workbench according to the present invention.

Fig. 2 is a schematic diagram of the internal structure of the calibration device disposed on the worktable of the present invention.

Fig. 3 is a schematic view of a visual assembly of the calibration device disposed on the worktable of the present invention.

Fig. 4 is a schematic structural view of the elliptical printing machine of the present invention.

Fig. 5 is a side view of the elliptical printing machine of the present invention.

Fig. 6 is a flow chart of the calibration of the elliptical printing machine of the present invention.

Detailed Description

The invention will be further elucidated and described with reference to the following embodiments and drawings in which:

referring to fig. 1, 2 and 3, a calibration device 10 disposed on a workbench includes a platen 11, a beam 12 and a vision assembly 13, the beam 12 is slidably connected to a rail 20 of an elliptical printing machine, the platen 11 is fixed above the beam 12, a first inspection hole 121 is disposed on a surface of the beam 12, a second inspection hole 111 is disposed on the platen 11 corresponding to the first inspection hole 121, the vision assembly 13 is disposed in the same number as the first inspection hole 121, and the vision assembly 13 is disposed inside the beam 12.

The vision component 13 includes a light source 131, a lens 132, an industrial camera 133 and an adjusting component 134, the light source 131 is disposed below the first inspection hole 121, the light source 131 is a corner coaxial light source, the lens 132 is disposed on one side of the light source 131 through the adjusting component 134, the adjusting component 134 can adjust a distance between the lens 132 and the light source 131, the lens 132 and the light source 131 are coaxially disposed, and the industrial camera 133 is fixed at one end of the lens 132 away from the light source 131.

The crossbeam 12 is connected with the track 20 of the elliptical printing machine in a sliding manner, so that the bedplate 11 can be moved to the lower part of the corresponding screen printing plate, the first detection hole 121 and the second detection hole 111 on the crossbeam 12 and the bedplate 11 are correspondingly positioned below the screen printing plate, the industrial camera 133, the lens 132 and the light source 131 of the vision assembly 13 penetrate through the first detection hole 121 and the second detection hole 111 to shoot the screen printing plate, a preset mark point on the screen printing plate is identified, whether the alignment is accurate or not is judged, and if the mark point on the screen printing plate is judged to have deviation from the preset position, a worker is timely reminded of adjusting.

Through the structure, whether the screen printing plate deviates from the preset position or not can be automatically detected, so that the screen printing plate is timely adjusted, more defective products are avoided, the offset distance of the mark points can be identified according to the existing visual detection system, and workers can adjust the screen printing plate more conveniently.

Set up visual component 13 on crossbeam 12, when the condition of damage appears in platen 11, make things convenient for people to change platen 11 more, only need ensure second inspection hole 111 on the platen 11 and the first inspection hole 121 on crossbeam 12 correspond the setting can, when not needing platen 11 to examine time measuring, when bearing the printed matter, can directly change platen 11 that does not have second inspection hole 111, thereby block first inspection hole 121, avoid having impurity to enter into visual component 13.

In the above solution, there are at least two first detection holes 121, and the first detection holes 121 are disposed along the extending direction of the beam 12, so as to ensure that whether the screen is shifted or deflected can be correctly identified, therefore, at least two sets of vision assemblies 13 are required to detect, and the two vision assemblies 13 simultaneously determine that the mark points are correct, so as to determine that the screen is not shifted or deflected.

Adjustment subassembly 134 includes support 1341 and camera lens fixing base 1342, support 1341 is fixed in crossbeam 12, camera lens fixing base 1342 and support 1341 one side sliding connection, camera lens 132 is fixed in on the fixing base, camera lens fixing base 1342 lower extreme is equipped with extension piece 1343, support 1341 one side is equipped with focusing knob 1344, focusing knob 1344 and extension piece 1343 fixed connection, support 1341 threaded connection has focusing fixing knob 1345, focusing fixing knob 1345 is used for restricting extension piece 1343 and slides.

Accessible focusing knob 1344 drives extension piece 1343 and removes to distance between adjustment camera lens 132 and the light source 131 plays the effect of adjustment focus, makes industry camera 133 shoot more clearly, and focusing fixing knob 1345 can carry on spacingly to extension piece 1343, avoids in the use, and the condition that camera lens 132 took place to remove leads to the appearance of the inaccurate condition of focusing of industry camera 133.

The vision assembly 13 further comprises an industrial personal computer 135 and a power supply 136, the industrial personal computer 135 and the power supply 136 are fixed below the cross beam 12, the industrial personal computer 135 and the vision assembly 13 perform data transmission, specifically, the industrial personal computer 135 and the vision assembly 13 perform data transmission through a data line or in a wireless transmission mode, the industrial personal computer 135 is used for receiving images shot by the camera, and determining the position relation between the mark point on the screen and the second detection hole 111 on the platen 11 according to the images.

In order to prevent the heat generated during the production process from damaging the vision assembly 13, a heat insulation pad 1346 is disposed above the bracket 1341, the bracket 1341 is kept at a certain distance from the beam 12 by the heat insulation pad 1346, and the heat is blocked and partially transferred to the bracket 1341 through the beam 12, thereby protecting the lens 132, the industrial camera 133, and the like.

Referring to fig. 4 and 5, an elliptical printing machine includes an elliptical track 20, a printing head 30, a screen 40 and the above-mentioned calibrating device 10 disposed on a worktable, a cross beam 12 of the calibrating device 10 disposed on the worktable is connected along the elliptical track 20 in a sliding manner, the printing head 30 is disposed above the elliptical track 20, the printing head 30 is located above the calibrating device 10 disposed on the worktable, the screen 40 is movably mounted below the printing head 30, and the screen 40 is provided with mark points corresponding to the calibrating device 10 disposed on the worktable.

When the table 11 of the calibration device 10 provided on the table is moved to a position below the screen 40, the marking points on the screen 40 are shot and recognized by the vision unit 13 of the table calibration mechanism, so that the screen 40 is located at the set position, and the subsequent operation is performed, and when the screen 40 and the vision unit 13 are deviated, the marking points can be aligned with the vision unit 13 by adjusting the position of the screen 40.

And the number of the marking points is equal to the number of the visual components 13 of the calibration device 10 arranged on the workbench, so that the visual components 13 and the marking points are ensured to be in one-to-one correspondence, and the situation that wrong point positions are identified is avoided.

Referring to fig. 6, when the elliptical printing machine performs screen printing, a workbench with a calibration device may be first disposed on the elliptical orbit, the workbench with the calibration device moves along the elliptical orbit to visually calibrate the screen printing plate on the elliptical orbit, when the screen printing plate has deviation, the screen printing plate is adjusted by the adjustment assembly, and after all the screen printing plates are adjusted, the workbench with the calibration device may be detached or kept in a use state, and finally the elliptical printing machine formally starts screen printing.

The utility model provides a set up calibrating device and oval calico printing machine on workstation, track sliding connection through crossbeam and oval calico printing machine, thereby ensure that the platen can remove to the half tone below that corresponds, and first inspection hole and second inspection hole on crossbeam and the platen correspond and are located the half tone below, through the industrial camera of vision subassembly, camera lens and light source pass first inspection hole and second inspection hole and shoot the half tone, set up in advance in good mark point on the discernment half tone, thereby judge whether counterpoint is accurate, if judge that mark point on the half tone exists the deviation with preset's position, thereby in time remind the staff to adjust, through the structure, can the deviation appear with preset's position by the automated inspection half tone, thereby in time carry out the half tone adjustment, avoid causing the production of more defective products, and can be according to current visual detection system, the distance of discerning mark point skew is what, make the staff can more conveniently adjust the half tone. Set up the vision subassembly on the crossbeam, when the platen appears damaging the condition, make things convenient for people to change the platen more, only need ensure on the platen second inspection hole and the crossbeam on the first inspection hole correspond set up can, when not needing the platen to examine time measuring for when bearing the printed matter, can directly change the platen that does not have the second inspection hole, thereby block first inspection hole, avoid having impurity to enter into the vision subassembly.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a set up calibrating device on workstation, its characterized in that includes platen, crossbeam and vision subassembly, the crossbeam is connected with oval calico printing machine's track sliding, the platen is fixed in the crossbeam top, the crossbeam surface has seted up first inspection hole, the platen corresponds first inspection hole and has seted up the second inspection hole, the vision subassembly is located and is the same with first inspection hole quantity, the vision subassembly sets up inside the crossbeam, the vision subassembly includes light source, camera lens, industrial camera and adjustment subassembly, the light source is located first inspection hole below, the light source adopts the coaxial light source of corner, the camera lens passes through the adjustment subassembly and sets up in light source one side, the distance between adjustable camera lens of adjustment subassembly and the light source, the camera lens sets up with the light source is coaxial, industrial camera is fixed in the camera lens and keeps away from light source one end.

2. The alignment device as claimed in claim 1, wherein the number of the first inspection holes is at least two, and the first inspection holes are disposed along the extending direction of the beam.

3. The alignment device as claimed in claim 1, wherein the adjustment assembly comprises a bracket and a lens holder, the bracket is fixed in the beam, the lens holder is slidably connected to one side of the bracket, the lens is fixed to the holder, an extension block is provided at a lower end of the lens holder, a focus knob is provided at one side of the bracket, the focus knob is fixedly connected to the extension block, the bracket is threadedly connected to the focus fixing knob, and the focus fixing knob is used for limiting the extension block from sliding.

4. The alignment device as claimed in claim 3, wherein an insulation pad is disposed above the frame.

5. The calibrating device arranged on the workbench according to claim 1, wherein the vision assembly further comprises an industrial personal computer and a power supply, the industrial personal computer and the power supply are fixed below the beam, and the industrial personal computer and the vision assembly perform data transmission.

6. An elliptical printing machine, comprising an elliptical orbit, a printing head, a screen and the calibrating device of any one of claims 1-5, wherein the cross beam of the calibrating device is slidably connected along the elliptical orbit, the printing head is disposed above the calibrating device disposed on the workbench, the screen is movably mounted below the printing head, and the screen is provided with mark points corresponding to the calibrating device disposed on the workbench.

7. The elliptical printing machine according to claim 6, characterized in that the number of marking points is equal to the number of visual components of the calibration device arranged on the worktable.