CN216978879U

CN216978879U - Ink jet printing defect detection equipment

Info

Publication number: CN216978879U
Application number: CN202220282313.0U
Authority: CN
Inventors: 刘志军; 司越霞
Original assignee: Zhengzhou Weiyan Printing Technology Co ltd
Current assignee: Zhengzhou Weiyan Printing Technology Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-15
Anticipated expiration: 2032-02-11

Abstract

The utility model relates to an ink jet printing defect detection device which comprises a workbench, wherein a detection assembly, an illumination assembly and a transmission assembly are arranged on the workbench, the transmission assembly is laid on the upper end surface of the workbench, and the transmission assembly is a conveyor belt; the both sides of transmission component are provided with the crane, and the crane includes vertical frame and horizontal frame, and the illumination subassembly is installed towards one side of transmission component to horizontal frame, and the up end of horizontal frame is provided with the spout, and sliding connection has the link on the spout, and detection module installs on the link, and transmission component's end is provided with the cylinder, and the upper end and the lower extreme of cylinder are provided with respectively that first place the platform and the platform is placed to the second. The utility model realizes automatic, accurate and efficient detection, realizes the separated placement of the detected printed finished products without stop, effectively improves the detection efficiency of the printed finished products, shortens the detection time and avoids the occurrence of non-uniform detection standards of the printed finished products in the same batch due to light.

Description

Ink jet printing defect detection equipment

Technical Field

The utility model relates to the technical field of detection equipment, in particular to inkjet printing defect detection equipment.

Background

In the printing industry, inkjet printing is widely used in the demand for high quality printing with the advantages of no direct contact, no need for printing plates, fast printing, and high resolution.

In the printing production, in order to reduce the reject ratio of the printed finished product and prevent the damage to the production image of a printing manufacturer, the printing manufacturer usually arranges staff to detect the printed finished product, so that the conditions of missing spraying, excessive spraying or ink dragging and the like in the printed finished product are prevented, the labor cost is extremely high, and the detection precision is not high; when the existing machine detection tool is used for detection, the printed matter to be detected is detected in error due to the change of ambient luminosity; during detection, in order to automatically separate qualified products and unqualified products in a printed finished product, the conveying device needs to be continuously paused, a transmission line in the other direction is started, the time consumed by detection is increased, and the detection efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical defects in the background art, the utility model aims to provide an inkjet printing defect detection device, which can realize automatic, accurate and efficient detection, realize non-stop separate placement of detected printed finished products, effectively improve the detection efficiency of the printed finished products, shorten the detection time and avoid the non-uniform detection standard of the printed finished products in the same batch due to light.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the inkjet printing defect detection equipment comprises a workbench, wherein a detection assembly, an illumination assembly and a transmission assembly are arranged on the workbench, the transmission assembly is laid on the upper end surface of the workbench, and the transmission assembly is a conveyor belt; the long side of workstation both sides is provided with the guide block that parallel symmetry set up, transmission assembly's both sides are provided with the crane, the crane includes vertical and horizontal frame, and vertical and horizontal frame mutually perpendicular sets up and horizontal frame is in the upper end of vertical, vertical and horizontal frame fixed connection, vertical and guide block sliding connection, and horizontal frame installs the illumination subassembly towards one side of transmission assembly, and the up end of horizontal frame is provided with the spout, sliding connection has the link on the spout, detection element installs on the link, detection element and link fixed connection, transmission assembly's end is provided with the cylinder, the upper end and the lower extreme of cylinder are provided with respectively that first place the platform and the platform is placed to the second.

By adopting the technical scheme, the transmission assembly is used for automatically transmitting the printed finished products, the detection of the printed finished products is completed in the transmission process, the detected qualified printed finished products are transmitted to the first placing table above through the roller, and the unqualified printed finished products are transmitted to the second placing table below; the lifting frame can be lifted and slid with the workbench, so that the detection assembly and the illumination assembly on the lifting frame are adjusted according to the height of a printed finished product, and the detection inaccuracy caused by the fact that the detection assembly is too far away or too close to the printed finished product is prevented; the connecting frame is horizontally connected with the sliding chute in a sliding manner, so that the detection assembly can be adjusted according to the length of a printed finished product, and the printed finished product is prevented from being transmitted to the roller when the detection assembly does not detect a result; the illumination assembly is used for keeping the illumination conditions in the working state consistent.

Preferably, the detection assembly comprises a first camera and a second camera, and the first camera is fixedly connected with the connecting frame at the center of the connecting frame; the second camera passes through the support frame to be installed at transmission assembly's side.

By adopting the technical scheme, two detection assemblies are arranged, so that the other camera can be conveniently used for detection when one of the two detection assemblies fails; the first camera and the second camera can be used simultaneously during working, and detection with different precisions can be carried out on the printed finished product.

Preferably, the support frame is made of a metal hose.

Through adopting above-mentioned technical scheme, metal collapsible tube makes the height and the alignment position of second camera adjust at will, can carry out key detection to some regions of printing the finished product, further improves the whole quality of printing the finished product.

Preferably, the guide block is provided with a through hole for communicating the upper end face and the lower end face, a lifting cylinder is arranged on one downward side of the guide block, a lifting telescopic rod is arranged in the lifting cylinder, and the lifting telescopic rod is fixedly connected with a vertical frame in the guide block.

Through adopting above-mentioned technical scheme, the crane passes through the lift cylinder and realizes the lifting slide in the guide block to the illumination subassembly and the determine module that drive to set up on the link of horizontal frame and crane, link go up and down, make transmission assembly's top space adjust according to the printing finished product.

Preferably, the upper end face of the sliding groove is fixedly connected with a moving cylinder, the moving cylinder is provided with a moving telescopic rod, and the moving telescopic rod is fixedly connected with the upper end of the connecting frame.

By adopting the technical scheme, the horizontal position of the detection assembly can be automatically adjusted, and the diversity of the detected printing finished products is improved.

Preferably, the illumination assemblies are arranged on the two transverse frames in parallel and symmetrically.

Through adopting above-mentioned technical scheme, the printing finished product on the transmission component is evenly shone to the light that makes the illumination subassembly of both sides provide, prevents that the light on the printing finished product is in disorder unordered.

Preferably, the drum is configured as a square drum.

By adopting the technical scheme, when the detection is qualified, the edge angle of one side of the square roller, which faces the transmission assembly, is lower than the upper end surface of the transmission assembly, so that when the printing finished product is transmitted to the roller, the roller rotates to drive the printing finished product to move upwards and reach the first placing table; when detecting unqualifiedly, square cylinder is higher than the finished up end of printing towards one side edges and corners of transmission subassembly, and when making the printing finished product transmit the cylinder, the cylinder rotates and drives the printing finished product and move down, arrives the second and places the platform.

Preferably, the outer side of the roller is sleeved with a buffering anti-skid layer.

By adopting the technical scheme, the anti-slip device enables the roller to drive the printing finished product to rotate; buffering setting, when the printing finished product transmits the cylinder, reduce the damage of printing finished product.

In conclusion, the beneficial effects of the utility model are as follows:

1. set up transmission assembly and determine module, realize automated inspection, quick, accurate, low-cost detect the printing finished product, select unqualified printing finished product.

2. The illumination assembly is arranged, so that the mistaken picking and missing detection of a printed finished product caused by ambient luminosity are reduced.

3. Set up lift cylinder and moving cylinder, make the multiple different specifications of check out test set adaptation or the printing finished product of height, improve market compatibility.

Drawings

FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;

FIG. 2 is a schematic front view of the first embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of a second embodiment of the present invention.

Description of the reference numerals:

1. a work table; 2. a first camera; 3. a second camera; 31. a support frame; 4. a transmission component; 41. rotating the motor; 5. a lifting frame; 51. a vertical frame; 511. a guide block; 512. A lifting cylinder; 52. a transverse frame; 521. a chute; 522. a moving cylinder; 6. a connecting frame; 7. a drum; 81. a first placing table; 82. a second placing table; 9. a second transmission assembly; 91. the cylinder is propelled.

Detailed Description

Embodiments of the present invention are described in further detail below with reference to FIGS. 1-3.

Example one

An ink jet printing defect detection device is shown in figures 1 and 2 and comprises a workbench 1, and a transmission assembly 4, a lifting frame 5 and a roller 7 which are arranged on the workbench 1, wherein the workbench 1 provides a working position for detecting and conveying printed finished products, so that the printed finished products are automatically detected and sorted on the workbench 1.

The transmission assembly 4 is laid along the upper end face of the workbench 1, the distance from the two sides of the workbench 1 to the transmission assembly 4 is equal, the transmission assembly 4 is arranged to be a conveyor belt, the conveyor belt is used for transmitting a printing finished product, the detection is completed in the transportation process, and the printing finished product is received by a roller 7 arranged at the tail end of the transmission assembly 4. The transmission is realized through the rotation motor 41 who installs on workstation 1 to the conveyer belt, rotates motor 41 and is connected with the conveyer belt transmission, rotates the direction setting when motor 41 orientation printing finished product comes.

The front side and the rear side of the workbench 1 are provided with guide blocks 511 which are parallel to each other and symmetrical along the transmission assembly 4, the center of each guide block 511 is provided with a through hole for communicating the upper end surface with the lower end surface, and the through hole is used for providing a lifting path and guiding the lifting of the vertical frame 51 in a sliding manner, so that the stability of lifting and sliding is further enhanced; a lifting frame 5 matched with the through hole is arranged in the guide block 511, so that the lifting frame 5 can lift and slide in the guide block 511; the lifting frame 5 comprises a vertical frame 51 and a transverse frame 52, the vertical frame 51 and the transverse frame 52 are vertically welded and fixed, and welding points are the horizontal centers of the upper end of the vertical frame 51 and the lower end face of the transverse frame 52, so that the distances from the two ends of the transverse frame 52 to the vertical frame 51 with the same height are equal, the transverse frame 52 is balanced on the vertical frame 51, and the shaking is reduced. The vertical frame 51 is correspondingly installed in the guide block 511, and the transverse frame 52 is arranged at the upper end of the vertical frame 51, so that the vertical frame 51 is driven to lift when sliding up and down, the distance from the upper part of the transmission assembly 4 to the transverse frame 52 can be adjusted, and the height of the transverse frame 52 can be conveniently adjusted according to the height and size of a printed finished product.

A lifting cylinder 512 is arranged on the downward side of the guide block 511, and the lifting cylinder 512 is used for automatically adjusting the relative height of the lifting frame 5 and the workbench 1, so that the time consumed by manual adjustment is reduced; lifting cylinder 512 welded fastening is in the below of workstation 1 one side outwards, and lifting cylinder 512 stretches out there is lifting telescopic rod, and lifting telescopic rod and vertical 51 parallel arrangement and the one end of stretching out and vertical 51 bottom welded fastening make lifting telescopic rod in the lifting cylinder 512 flexible when removing, drive crane 5 and go up and down.

The transverse frame 52 faces one side of the transmission component 4, namely the lower end face of the transverse frame 52 is provided with an illumination component which is a lamp strip with a plurality of LED small bulbs, and the LED small bulbs are sequentially and uniformly laid along the lamp strip, so that when the illumination component correspondingly irradiates on the transmission component 4, dark places without irradiation cannot appear; by adopting the LED bulb, because LEDs and the like do not contain heavy metal mercury, have small glare and no radiation, the possibility of glare is reduced when the printed finished product is irradiated, and detection errors are prevented; the service life of the LED bulb is longer than that of a common bulb, and the economic and time cost caused by replacement and maintenance of the bulb is reduced; because the lifting frames 5 are arranged on the two sides of the workbench 1, the number of the transverse frames 52 is two, the transverse frames 52 on the two sides adopt lamp belts with the same specification, and the LED small bulbs in the two lamp belts are parallel to each other and symmetrically arranged along the longitudinal conveyor belt, so that the illumination conditions are uniformly arranged.

The upward side of the transverse frame 52 is provided with sliding chutes 521, the two sliding chutes 521 are symmetrically arranged along a longitudinal conveyor belt, the connecting frame 6 is erected on the sliding chutes 521, two ends of the connecting frame 6 are connected with the sliding chutes 521 in an embedded manner and can slide along the sliding chutes 521, the connecting frame 6 is vertically arranged with the two sliding chutes 521, so that the connecting frame 6 is always parallel to the short side edge of the conveyor belt when sliding, and the first camera 2 fixed at the lower end corresponding to the center of the connecting frame 6 is always corresponding to the upper end of the longitudinal center line of the conveyor belt, so that the first camera 2 can detect a printed finished product on the transmission assembly 4 at the shortest distance from the transmission assembly 4; first camera 2 is fixed through threaded connection and link 6, is convenient for dismantle the maintenance when first camera 2 breaks down. One end of horizontal frame 52 is provided with removes cylinder 522, remove cylinder 522 parallel fixation on the up end of horizontal frame 52, it has the removal telescopic link to stretch out in the removal cylinder 522, remove the telescopic link towards the direction setting of link 6 and with the up end welded fastening of link 6, remove cylinder 522 and realize the relative position of automatically regulated link 6 at horizontal frame 52, drive first camera 2 and remove, make first camera 2 according to the finished length adjustment position of printing, when preventing that the printing finished product from being transmitted to cylinder 7, because first camera 2 that the finished overlength of printing leads to has not absorbed all printing face formation of image of this printing finished product.

The detection assembly is arranged on the workbench 1, the detection assembly comprises a second camera 3 besides the first camera 2 on the connecting frame 6, and the second camera 3 is fixed on the workbench 1 through a supporting frame 31; the two detection assemblies are arranged, when one of the two detection assemblies fails, the other detection assembly can be used for detection, and the time that the detection assembly cannot detect during repair is saved. The supporting frame 31 is arranged on the side edge of the transmission assembly 4 and is fixed on the workbench 1 through threaded connection, and the upper end of the supporting frame 31 is in threaded connection with the second camera 3 through internal threads, so that the second camera 3 is fixed on the supporting frame 31; support frame 31 adopts the metal collapsible tube material to make, makes support frame 31 buckle the distortion at will, makes second camera 3 can aim at the off-the-shelf key region of printing according to actual demand and detect, improves the whole quality that detects precision and printing off-the-shelf, is convenient for improve market competition.

A roller 7 is arranged at the tail of the transmission component 4, the roller 7 is of a square structure, so that the roller 7 is provided with four edges, a space is arranged between the transmission component 4 and the roller 7, the space is larger than the height of a printed finished product and is smaller than the length of the printed finished product, and the roller 7 can guide and rotate the printed finished product in different directions according to received electric signals; a first placing table 81 is arranged on one side, far away from the transmission assembly 4, above the roller 7 and used for storing printing finished products qualified in detection; a second placing table 82 is arranged on one side, facing the transmission assembly 4, below the roller 7 and used for storing printing finished products which are detected to be unqualified; the outside cover of cylinder 7 is equipped with the buffering skid resistant course, and when the buffering skid resistant course made cylinder 7 and printing finished product contact, skid-proof setting made cylinder 7 drive the printing finished product move to with the position that detects structure looks adaptation, and the buffering setting is used for reducing the impact nature of printing finished product and cylinder 7, prevents to cause the off-the-shelf damage of printing. The roller 7 is in transmission connection with a sorting motor and provides a driving force for rotating the roller 7.

A controller is arranged in the workbench 1 and is electrically connected with the detection assembly and the sorting motor.

The working principle is as follows: when the printed finished product is detected for the first time, the positions of the lifting frame 5 and the connecting frame 6 are adjusted through the lifting cylinder 512 and the moving cylinder 522 according to the size and the height of the printed finished product, the position of the second camera 3 is adjusted by twisting the supporting frame 31, the printed finished product without defects is adopted for the first transmission, the controller is enabled to record the image data of the complete printed finished product, and the qualification degree of the controller is set.

In a working state, the printed finished product is conveyed by the conveying assembly 4 and sequentially passes through the first camera 2 assembly and the second camera 3 assembly during conveying, an image shot by the detection assembly is transmitted to the controller through an electric signal, the controller matches the image with image data of the completely printed finished product, if the image is qualified, the controller controls the roller 7 to rotate until the edge angle of one side closest to the conveying assembly 4 is lower than the lower end face of the printed finished product, and after the printed finished product is transmitted to the roller 7, the roller 7 rotates clockwise to drive the printed finished product to move to the first placing table 81; if the printing finished product is not qualified, the controller controls the roller 7 to rotate until the edge angle of one side closest to the transmission component 4 is higher than the upper end face of the printing finished product, and after the printing finished product is transmitted to the roller 7, the roller 7 rotates anticlockwise to enable the printing finished product to slide to the second placing table 82 from the gap between the roller 7 and the transmission component 4.

Example two

As shown in fig. 3, as another embodiment of the present invention, the roller 7 may be replaced by a second conveying assembly 94, the second conveying assembly 94 is configured as a sorting conveyor, and one end of the second conveying assembly 94 is fixed on the working table 1 for receiving the printing product on the first conveying assembly 4; the two sides of the second conveying assembly 94 are welded with the propulsion cylinders 91, when the detected printing finished products are qualified, the propulsion cylinders 91 extend out, the other end of the second conveying assembly 94 is made to ascend to the first placing table 81, when the detected printing finished products are unqualified, the propulsion cylinders 91 retract, the other end of the second conveying assembly 94 is made to descend to the second placing table 82, and sorting is completed.

The embodiments of the present disclosure are all preferred embodiments of the present disclosure, and the protection scope of the present disclosure is not limited thereby, wherein like parts are designated by like reference numerals. Therefore, the method comprises the following steps: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An inkjet printing defect detection apparatus comprising a table (1), characterized in that: the detection assembly, the illumination assembly and the transmission assembly (4) are arranged on the workbench (1), the transmission assembly (4) is laid on the upper end face of the workbench (1), and the transmission assembly (4) is a conveyor belt; the long sides of the two sides of the workbench (1) are provided with guide blocks (511) which are symmetrically arranged in parallel, the two sides of the transmission assembly (4) are provided with lifting frames (5), each lifting frame (5) comprises a vertical frame (51) and a transverse frame (52), the vertical frame (51) and the transverse frame (52) are mutually perpendicular and are arranged at the upper end of the vertical frame (51), the vertical frame (51) and the transverse frame (52) are fixedly connected, the vertical frame (51) is in sliding connection with the guide blocks (511), one side of the transverse frame (52) facing the transmission assembly (4) is provided with an illumination assembly, the upper end face of the transverse frame (52) is provided with a sliding groove (521), the sliding groove (521) is connected with a connecting frame (6) in a sliding manner, the detection assembly is arranged on the connecting frame (6), the detection assembly is fixedly connected with the connecting frame (6), the tail end of the transmission assembly (4) is provided with a roller (7), the upper end and the lower end of the roller (7) are respectively provided with a first placing platform (81) and a second placing platform (82).

2. The inkjet printing defect detection apparatus according to claim 1, characterized in that: the detection assembly comprises a first camera (2) and a second camera (3), and the first camera (2) is fixedly connected with the connecting frame (6) at the center of the connecting frame (6); the second camera (3) is arranged on the side edge of the transmission component (4) through a support frame (31).

3. The inkjet printing defect detection apparatus according to claim 2, characterized in that: the support frame (31) is made of a metal hose.

4. The inkjet printing defect detection apparatus according to claim 1, characterized in that: the guide block (511) is provided with a through hole for communicating the upper end face and the lower end face, one side of the guide block (511) facing downwards is provided with a lifting cylinder (512), a lifting telescopic rod is arranged in the lifting cylinder (512), and the lifting telescopic rod is fixedly connected with a vertical frame (51) in the guide block (511).

5. The inkjet printing defect detection apparatus according to claim 1, characterized in that: the upper end face of the sliding groove (521) is fixedly connected with a moving cylinder (522), the moving cylinder (522) is provided with a moving telescopic rod, and the moving telescopic rod is fixedly connected with the upper end of the connecting frame (6).

6. The inkjet printing defect detection apparatus according to claim 1, characterized in that: the illumination components are arranged in parallel and symmetrically on the two transverse frames (52).

7. The inkjet printing defect detection apparatus according to claim 1, characterized in that: the roller (7) is a square roller.

8. The inkjet printing defect detection apparatus according to claim 1, characterized in that: and a buffering anti-skid layer is sleeved on the outer side of the roller (7).