CN214646686U

CN214646686U - Vision collection system and oval calico printing machine

Info

Publication number: CN214646686U
Application number: CN202120625028.XU
Authority: CN
Inventors: 陈洁辉; 周华; 冀万六; 邱向亮
Original assignee: Guangzhou Cnding Robot Co ltd
Current assignee: Guangzhou Cnding Robot Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-11-09
Anticipated expiration: 2031-03-26

Abstract

The utility model provides a vision collection system and oval calico printing machine, include: the camera comprises a camera bracket, a three-axis moving mechanism arranged on the camera bracket and two cameras connected with the three-axis moving mechanism; the triaxial moving mechanism is including setting up first guide on the camera support, two with first guide holder that first guide is connected, with the second guide that first guide holder one-to-one is connected, with the second guide holder that second guide one-to-one is connected, with third guide and drive assembly that the second guide holder one-to-one is connected, the third guide with the camera is connected. The utility model discloses a vision collection system can carry out data acquisition to each mark point, reachs the each point coordinate, improves the data acquisition precision.

Description

Vision collection system and oval calico printing machine

Technical Field

The utility model relates to a printing technology field, concretely relates to vision collection system and oval calico printing machine.

Background

Before an elliptical printing machine prints, the screen frame needs to be aligned, and due to different patterns of screen printing, when the pattern is aligned in a single mark mode when the pattern is large, the offset of the screen frame in two vertical directions, namely the X direction and the Y direction, can only be detected and adjusted, so that inaccurate data or inaccurate data cannot reflect the offset condition of the whole pattern.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the shortcoming and not enough among the prior art, provide a vision collection system.

An embodiment of the utility model provides a vision acquisition device, include: the camera comprises a camera bracket, a three-axis moving mechanism arranged on the camera bracket and two cameras connected with the three-axis moving mechanism;

the triaxial moving mechanism is including setting up first guide on the camera support, two with first guide holder that first guide is connected, with the second guide that first guide holder one-to-one is connected, with the second guide holder that second guide one-to-one is connected, with third guide and drive assembly that the second guide holder one-to-one is connected, the third guide with the camera is connected, drive assembly respectively with first guide holder the second guide holder with the camera is connected, the drive the camera is followed the direction of direction removal of first guide, second guide and third guide.

Compared with the prior art, the utility model discloses a vision collection system can correspond each mark point and carry out data acquisition, obtains more accurate data, improves the data acquisition precision, can't better reaction skew information when avoiding acquireing single mark point.

Further, the camera support comprises a base and a top bracket arranged on the base, a collecting space for the printing platen to pass through is formed between the base and the top bracket, a first through groove penetrating through the top and the bottom of the top bracket is formed in the top bracket, and a lens of the camera is exposed out of a bottom notch of the first through groove and faces the collecting space.

Further, the first guide piece comprises two first guide rails respectively arranged at two sides of the first through groove;

the first guide seat is connected with the first guide rail.

Further, a second through groove communicated with the first through groove is formed in the first guide seat, and a lens of the camera is exposed out of a bottom notch of the second through groove.

Further, the second guide piece comprises two second guide rails which are respectively arranged at two sides of the second through groove;

the second guide seat is connected with the second guide rail.

Further, the third guide part extends into the second through groove, and the camera part extends into the second through groove.

Further, the triaxial moving mechanism further comprises a camera mounting seat connected with the third guide piece, and the camera is arranged on the camera mounting seat.

Further, the first guide piece, the second guide piece and the third guide piece are mutually vertical in pairs.

An embodiment of the utility model provides an elliptical printing machine, a serial communication port, include: the vision acquisition device comprises a machine frame, a guide rail arranged on the machine frame, a plurality of printing platens arranged on the guide rail and driven by a driving mechanism, a plurality of printing mechanisms arranged on the machine frame and the vision acquisition device, wherein a camera support is arranged above the printing platens, and a camera faces the printing platens.

Further, the guiding direction of the first guiding element is perpendicular to the guide rail or parallel to the guide rail.

In order that the invention may be more clearly understood, particular embodiments of the invention will now be described with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of a vision acquisition device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of one side of a vision acquisition device according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a top portion of a vision acquisition device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an elliptical printing machine according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a vision acquisition device according to another embodiment of the present invention.

Description of reference numerals:

10. a camera support; 11. a base; 12. a top bracket; 13. collecting a space; 14. a first through groove; 21. a first guide member; 22. a first guide seat; 221. a second through groove; 23. a second guide member; 24. a second guide seat; 25. a third guide member; 26. a camera mount; 30. a camera; 40. a frame; 50. a printing platen; 60. a printing mechanism.

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.

Please refer to fig. 1, which is a schematic structural diagram of a vision collecting device according to an embodiment of the present invention, the vision collecting device includes: the camera 30 comprises a camera 30 support 10, a three-axis moving mechanism arranged on the camera 30 support 10, and two cameras 30 connected with the three-axis moving mechanism.

The three-axis moving mechanism includes a first guide member 21 disposed on the support 10 of the camera 30, two first guide seats 22 connected to the first guide member 21, a second guide member 23 connected to the first guide seats 22 in a one-to-one correspondence manner, a second guide seat 24 connected to the second guide member 23 in a one-to-one correspondence manner, a third guide member 25 connected to the second guide seat 24 in a one-to-one correspondence manner, and a driving assembly (not shown), wherein the third guide member 25 is connected to the camera 30, the driving assembly is respectively connected to the first guide seats 22, the second guide seats 24 and the camera 30, and drives the camera 30 to move along the guiding directions of the first guide member 21, the second guide member 23 and the third guide member 25. The camera 30 can precisely collect two mark patterns on the printing platen 50, and support the elliptical printing machine to align a plurality of mark points on the printing platen to obtain coordinates of each point, so as to calculate a two-point connecting line, and then perform deviation comparison with a reference mark point and a two-point connecting line of the reference mark point, so as to calculate an angle deviation of the screen frame, so that the screen frame can be rotated according to the angle deviation of the screen frame to align the screen frame to a position.

It should be noted that the specific structure of the driving assembly can be designed according to actual needs, and the camera 30 is driven to move in three directions by driving the first guide seat 22 to move along the first guide 21, driving the second guide seat 24 to move along the second guide 23, and driving the camera 30 to move along the third guide 25. Wherein, the drive assembly can be a screw rod drive assembly, a rotary motor translation drive assembly, a belt translation drive assembly, an air cylinder translation drive assembly or a linear motor translation drive assembly. The working principle of the rotary motor translation driving assembly, the belt translation driving assembly, the cylinder translation driving assembly or the linear motor translation driving assembly is the same as that discussed above, and detailed description is omitted here.

Referring to fig. 2, which is a schematic structural view of one side of a vision collection device according to an embodiment of the present invention, in some alternative embodiments, the support 10 of the camera 30 includes a base 11 and a top bracket 12 disposed on the base 11, and a collection space 13 is formed between the base 11 and the top bracket 12 for passing through the printing platen 50. Please refer to fig. 3, which is a schematic structural diagram of the top of the vision collecting apparatus according to an embodiment of the present invention, the top bracket 12 is provided with a first through groove 14 penetrating the top and the bottom of the top bracket 12, a lens of the camera 30 is exposed from a bottom notch of the first through groove 14 and faces the collecting space 13, and the design is favorable for stable placement of the camera 30 and the three-axis moving mechanism.

In some alternative embodiments, the first guide 21 comprises a first guide track disposed on at least one side of the first through slot 14; the first guide holder 22 is connected to the first guide rail. Preferably, the first guide member 21 includes two first guide rails respectively disposed at both sides of the first through groove 14, so that the first guide holder 22 can be stably moved. Of course, the camera 30 may be extended out of the camera 30 holder 10 to avoid the camera 30 holder 10 from being hidden, or may be disposed at the side of the camera 30 holder 10.

In some optional embodiments, a second through slot 221 communicating with the first through slot 14 is disposed on the first guide seat 22, and a lens of the camera 30 is exposed from a bottom notch of the second through slot 221, so that the camera 30 can capture images.

In some alternative embodiments, the second guide 23 comprises a second guide track disposed on at least one side of the through slot; the second guide seat 24 is connected to the second guide rail. Preferably, the second guide 23 includes two second guide rails respectively disposed at both sides of the second through groove 221, so that the second guide holder 24 can be stably moved.

In some alternative embodiments, the third guiding element 25 partially protrudes into the second through slot 221, and the camera 30 partially protrudes into the second through slot 221, so that the center of gravity of the camera 30 is located between the first through slot 14 and the second through slot 221, which facilitates the image capturing of the camera 30 and improves the stability of the movement of the camera 30. Especially when the first guide 21 includes two first guide rails and the second guide 23 includes two second guide rails, the center of gravity of the camera 30 is located between the two first guide rails and the two second guide rails, which is more advantageous for stably supporting the camera 30. Of course, the camera 30 may also extend out of the second guide holder 24 to avoid the second guide holder 24 from being hidden, or be disposed at the side of the second guide holder 24.

In some optional embodiments, the three-axis moving mechanism further includes a camera 30 mounting base 26 connected to the third guiding element 25, the camera 30 is disposed on the camera 30 mounting base 26, a mounting through hole is disposed on the camera 30 mounting base 26, and the camera 30 is partially inserted into the mounting through hole.

In some alternative embodiments, the first guide 21, the second guide, and the third guide 25 are perpendicular to each other two by two, which facilitates the camera 30 to move to a desired position with multiple degrees of freedom.

Please refer to fig. 4, which is a schematic structural diagram of an elliptical printing machine according to an embodiment of the present invention, wherein the vision collecting device can be applied to an elliptical printing machine, the elliptical printing machine includes: the camera 30 comprises a machine frame 40, a guide rail arranged on the machine frame 40, a plurality of printing bedplate 50 arranged on the guide rail and driven by a driving mechanism, a plurality of printing mechanisms 60 arranged on the machine frame 40 and the vision acquisition device, wherein the camera 30 is provided above the printing bedplate 50, and the camera 30 faces the printing bedplate 50.

Referring to fig. 5, which is a schematic structural diagram of a vision collecting device according to another embodiment of the present invention, in some alternative embodiments, the guiding direction of the first guiding element 21 is perpendicular to the guiding rail or parallel to the guiding rail, and the vision collecting device can adjust the positions of the two cameras relative to the printing platen according to actual needs, for example, according to actual positions of the marked patterns.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vision acquisition device, comprising: the camera comprises a camera bracket, a three-axis moving mechanism arranged on the camera bracket and two cameras connected with the three-axis moving mechanism;

2. A vision acquisition device according to claim 1, wherein: the camera support comprises a base and a top bracket arranged on the base, a collecting space for a printing platen to pass through is formed between the base and the top bracket, a first through groove penetrating through the top and the bottom of the top bracket is formed in the top bracket, and a lens of the camera is exposed out of a bottom notch of the first through groove and faces the collecting space.

3. A vision acquisition arrangement according to claim 2, wherein: the first guide piece comprises two first guide rails which are respectively arranged on two sides of the first through groove;

the first guide seat is connected with the first guide rail.

4. A visual acquisition device according to any one of claims 2 or 3, wherein: the first guide seat is provided with a second through groove communicated with the first through groove, and a lens of the camera is exposed from a bottom notch of the second through groove.

5. A visual acquisition device according to claim 4, wherein: the second guide piece comprises two second guide rails which are respectively arranged at two sides of the second through groove;

the second guide seat is connected with the second guide rail.

6. A visual acquisition device according to claim 4, wherein: the third guide part extends into the second through groove, and the camera part extends into the second through groove.

7. A vision acquisition device according to claim 1, wherein: the triaxial moving mechanism further comprises a camera mounting seat connected with the third guide piece, and the camera is arranged on the camera mounting seat.

8. A vision acquisition device according to claim 1, wherein: the first guide piece, the second guide piece and the third guide piece are mutually vertical in pairs.

9. An elliptical printing machine, comprising: a frame, a guide rail disposed on the frame, a plurality of printing platens disposed on the guide rail and driven by a drive mechanism, a plurality of printing mechanisms disposed on the frame, and the vision acquisition device of any of claims 1-8, the camera support being disposed above the printing platens, the camera facing the printing platens.

10. Elliptical printing machine according to claim 9, characterized in that: the guiding direction of the first guiding element is perpendicular to the guide rail or parallel to the guide rail.