Off-line inspection machine for printing quality of packaging outer box

Abstract

The utility model relates to the technical field of printing quality detection, and discloses a packaging outer box printing quality off-line inspection machine which comprises a conveying belt, a detection mechanism is arranged at the top of the conveying belt, a flattening mechanism is installed at one end of the conveying belt, the detection mechanism comprises a detection frame, a camera is installed at the bottom of the detection frame, and the camera is connected with the detection frame. Rotating assemblies are arranged on the left side and the right side of the detection frame, a first air cylinder is installed at one end of each rotating assembly, a supporting seat is fixedly connected to one end of each first air cylinder, a second air cylinder is fixedly connected to the bottom of each supporting seat, and an adsorption plate is fixedly connected to the bottom of each second air cylinder; according to the off-line product inspection machine for the printing quality of the packaging outer box, through the inspection mechanism, the packaging outer box is turned over, and the effects that double-face inspection can be conducted, and the inspection efficiency is improved are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing quality detection, in particular to an offline inspection machine for printing quality of a packaging outer box. Background Art

[0002] During the printing process, the quality of printed materials needs to be controlled. There are two links in the quality control of printed materials. One is pre-press, which uses the registration software to check the content of the files before and after editing to find errors in the file editing process. The other link is to collect high-precision images of printed materials through the offline detection system and compare them with PDF files to automatically detect the integrity of the printed content. Printing defects such as scratches on the printing plate, missing characters, and errors in the text content can be found. At the same time, the offline detection system can also be used to conduct random inspections on the quality of printed materials to prevent continuous waste.

[0003] According to a product inspection machine for inspecting printing quality disclosed in Chinese patent publication number CN 218591190 U, the device includes a conveyor belt, a mounting frame is fixedly connected to the side wall of the conveyor belt, a camera is fixedly connected to the lower end of the mounting frame, a vertical rod is fixedly connected to one side of the conveyor belt, a moving assembly is fixedly connected to one side of the vertical rod, an electric push rod is fixedly connected to the lower end of the moving assembly, a vacuum suction cup is fixedly connected to the lower end of the electric push rod, an air pump is fixedly connected to the upper end of the moving assembly, the camera is electrically connected to a computer through wires, a collection box is fixedly connected to one side of the conveyor belt, both side walls of the conveyor belt are fixedly connected to legs, and a plurality of printed matter placement areas are arranged on the surface of the conveyor belt. By setting up cameras and computers, the quality of printed matter can be inspected without manual inspection.

[0004] However, when the device is in use, it can only detect one side. When it is necessary to detect both sides, the product needs to be collected again and turned over for detection, which makes the detection time longer and the detection efficiency lower. Utility Model Content

[0005] The purpose of the utility model is to provide an offline inspection machine for the printing quality of packaging outer boxes, so as to solve the problem that the device proposed in the above background technology can only inspect one side when in use, and when double-sided inspection is required, the product needs to be collected again and turned over for inspection, resulting in a long inspection time and low inspection efficiency.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: an offline inspection machine for printing quality of packaging outer boxes, comprising a conveyor belt, a detection mechanism is arranged on the top of the conveyor belt, and a flattening mechanism is installed at one end of the conveyor belt;

[0007] The detection mechanism includes a detection frame, a camera is installed at the bottom of the detection frame, and a rotating assembly is provided on the left and right sides of the detection frame. A first cylinder is installed at one end of the rotating assembly, a support seat is fixedly connected to one end of the first cylinder, a second cylinder is fixedly connected to the bottom of the support seat, an adsorption plate is fixedly connected to the bottom of the second cylinder, a vacuum suction cup is installed on the inner side of the adsorption plate, and a miniature vacuum pump is installed on the top of the support seat.

[0008] Preferably, the rotating assembly comprises a servo motor, a rotating shaft is mounted on one end of the servo motor, and a rotating disk is mounted on one end of the rotating shaft.

[0009] Preferably, two servo motors are provided, and the two servo motors are fixedly connected to the left and right sides of the detection frame respectively, and one end of the rotating disk is fixedly connected to one end of the first cylinder.

[0010] Preferably, the detection frame is fixedly connected to the top of the conveyor belt, and a plurality of vacuum suction cups are provided, and a connecting tube is installed at one end of each of the plurality of vacuum suction cups, and one end of the connecting tube is fixedly connected to one end of a micro vacuum pump.

[0011] Preferably, the flattening mechanism comprises a support frame, the bottom of the support frame is fixedly connected to a third cylinder, the bottom of the third cylinder is fixedly connected to a connecting frame, and the inner side of the connecting frame is rotatably connected to a pressing roller.

[0012] Preferably, two support frames are provided, and the two support frames are fixedly connected to the left and right sides of the conveyor belt respectively.

[0013] Preferably, a plurality of the pressing rollers are provided, and the plurality of pressing rollers are distributed in a rectangular array.

[0014] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0015] First, the utility model places the packaging box on a conveyor belt, transmits the packaging box to the inspection frame through the conveyor belt for printing quality inspection, and then uses a camera to shoot and collect the packaging box. After the shooting and collection is completed, the two first cylinders on the inner side of the inspection frame are started to push the support seat to the top of the packaging box, and then the adsorption plate is pushed down by starting the second cylinder to press on the top of the packaging box, and then the compressed air in the connecting pipe is extracted by starting the micro vacuum pump on the top of the support seat, so that negative pressure is formed at the vacuum suction cup, so that multiple vacuum suction cups adsorb the packaging box, and then the vacuum suction cups are started. The second cylinder rises, thereby driving the outer packaging box to rise, and then the servo motor is started to drive the rotating shaft to rotate, and then the rotating disk is driven to rotate, so that the first cylinder connected to the rotating disk rotates, and then the outer packaging box is turned over, and then the camera is used to capture the image. After the acquisition is completed, the servo motor drives the outer packaging box to turn over again, and the second cylinder descends, turning off the micro vacuum pump, so that the outer packaging box is placed back on the conveyor belt and sent out of the detection rack, and then the above steps are repeated to detect the next outer packaging box, thereby completing the printing quality detection operation, achieving the effect of double-sided detection and improving detection efficiency.

[0016] Secondly, the utility model starts the third cylinder at the bottom of the support frame to drive the connecting frame to be raised and lowered, so that the height of the pressure roller can be adjusted to adapt to packaging boxes of different thicknesses. Then, when the packaging box is transmitted, it passes through the pressure roller, and pressure is applied to the packaging box by the pressure roller, thereby flattening the packaging box to ensure the flatness of the surface of the packaging box, thereby completing the flattening operation and achieving the effect of improving the detection accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is an overall three-dimensional diagram of the utility model;

[0018] Figure 2 It is a three-dimensional diagram of the detection mechanism of the utility model;

[0019] Figure 3 This is a cross-sectional view of the detection mechanism of the utility model;

[0020] Figure 4 This is a cross-sectional view of the adsorption plate of the utility model.

[0021] Among them: 1. Conveyor belt; 2. Detection mechanism; 3. Flattening mechanism; 21. Detection frame; 22. Camera; 23. Rotating assembly; 24. First cylinder; 25. Support seat; 26. Second cylinder; 27. Adsorption plate; 28. Vacuum suction cup; 29. ​​Mini vacuum pump; 201. Servo motor; 202. Rotating shaft; 203. Rotating disk; 31. Support frame; 32. Third cylinder; 33. Connecting frame; 34. Pressing roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides the following technical solutions:

[0024] Embodiment 1

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , an offline inspection machine for printing quality of outer packaging boxes, comprising a conveyor belt 1, a detection mechanism 2 is arranged on the top of the conveyor belt 1, and a flattening mechanism 3 is installed at one end of the conveyor belt 1;

[0026] The detection mechanism 2 includes a detection frame 21, a camera 22 is installed at the bottom of the detection frame 21, and a rotating assembly 23 is arranged on the left and right sides of the detection frame 21. A first cylinder 24 is installed at one end of the rotating assembly 23, and a support seat 25 is fixedly connected to one end of the first cylinder 24. The bottom of the support seat 25 is fixedly connected to a second cylinder 26, and the bottom of the second cylinder 26 is fixedly connected to an adsorption plate 27. A vacuum suction cup 28 is installed on the inner side of the adsorption plate 27, and a miniature vacuum pump 29 is installed on the top of the support seat 25.

[0027] The rotating assembly 23 includes a servo motor 201 . A rotating shaft 202 is mounted on one end of the servo motor 201 . A rotating disk 203 is mounted on one end of the rotating shaft 202 .

[0028] Two servo motors 201 are provided, and the two servo motors 201 are fixedly connected to the left and right sides of the detection frame 21 respectively. One end of the rotating disk 203 is fixedly connected to one end of the first cylinder 24 .

[0029] The detection frame 21 is fixedly connected to the top of the conveyor belt 1 , and a plurality of vacuum suction cups 28 are provided. A connecting pipe is installed at one end of each of the plurality of vacuum suction cups 28 , and one end of the connecting pipe is fixedly connected to one end of a micro vacuum pump 29 .

[0030] Through the above technical scheme, at this time, by placing the packaging box on the conveyor belt 1, the packaging box is transmitted to the detection frame 21 through the conveyor belt 1 for printing quality inspection, and then the packaging box is photographed and collected through the camera 22 to avoid shooting and collecting. After the shooting and collection are completed, the two first cylinders 24 on the inner side of the detection frame 21 are started to push the support seat 25 to the top of the packaging box, and then the adsorption plate 27 is pushed down by starting the second cylinder 26 to press on the top of the packaging box, and then the micro vacuum pump 29 on the top of the support seat 25 is started to extract the compressed air in the connecting pipe, thereby forming a negative pressure at the vacuum suction cup 28, so that multiple vacuum suction cups 28 adsorb the packaging box, and then start The second cylinder 26 rises, thereby driving the outer packaging box to rise, and then the servo motor 201 is started to drive the rotating shaft 202 to rotate, and then the rotating disk 203 is driven to rotate, so that the first cylinder 24 connected to the rotating disk 203 is rotated, and the outer packaging box is turned over, and then the camera 22 is used to capture the image. After the acquisition is completed, the servo motor 201 drives the outer packaging box to turn over again, the second cylinder 26 descends, and the micro vacuum pump 29 is turned off, so that the outer packaging box is placed on the conveyor belt 1 again and transmitted out of the detection frame 21, and then the above steps are repeated to detect the next outer packaging box, thereby completing the printing quality detection operation, achieving the effect of double-sided detection and improving detection efficiency.

[0031] Embodiment 2

[0032] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 On the basis of the first embodiment, it is further obtained that the flattening mechanism 3 includes a support frame 31, the bottom of the support frame 31 is fixedly connected to a third cylinder 32, the bottom of the third cylinder 32 is fixedly connected to a connecting frame 33, and the inner side of the connecting frame 33 is rotatably connected to a pressure roller 34.

[0033] Two support frames 31 are provided, and the two support frames 31 are fixedly connected to the left and right sides of the conveyor belt 1 respectively.

[0034] A plurality of pressure rollers 34 are provided, and the plurality of pressure rollers 34 are arranged to be distributed in a rectangular array.

[0035] Through the above technical scheme, at this time, by starting the third cylinder 32 at the bottom of the support frame 31, the connecting frame 33 is driven to be raised and lowered, so that the height of the pressure roller 34 can be adjusted to adapt to packaging boxes of different thicknesses. Then, when the packaging box is transmitted, it passes through the pressure roller 34, and pressure is applied to the packaging box by the pressure roller 34, thereby flattening the packaging box to ensure the flatness of the surface of the packaging box, thereby completing the flattening operation and achieving the effect of improving the detection accuracy.

[0036] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit thereof, and the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. An off-line inspection machine for printing quality of packaging outer boxes, comprising a conveyor belt (1), characterized in that: A detection mechanism (2) is provided on the top of the conveyor belt (1), and a flattening mechanism (3) is installed on one end of the conveyor belt (1); The detection mechanism (2) comprises a detection frame (21), a camera (22) is installed at the bottom of the detection frame (21), and a rotating assembly (23) is arranged on both the left and right sides of the detection frame (21); a first cylinder (24) is installed at one end of the rotating assembly (23), a support seat (25) is fixedly connected to one end of the first cylinder (24), a second cylinder (26) is fixedly connected to the bottom of the support seat (25), an adsorption plate (27) is fixedly connected to the bottom of the second cylinder (26), a vacuum suction cup (28) is installed on the inner side of the adsorption plate (27), and a micro vacuum pump (29) is installed on the top of the support seat (25).

2. The packaging box printing quality offline inspection machine according to claim 1, characterized in that: The rotating assembly (23) comprises a servo motor (201), a rotating shaft (202) is mounted on one end of the servo motor (201), and a rotating disk (203) is mounted on one end of the rotating shaft (202).

3. The offline inspection machine for printing quality of packaging outer boxes according to claim 2, characterized in that: Two servo motors (201) are provided, and the two servo motors (201) are respectively fixedly connected to the left and right sides of the detection frame (21), and one end of the rotating disk (203) is fixedly connected to one end of the first cylinder (24).

4. The packaging box printing quality offline inspection machine according to claim 1, characterized in that: The detection frame (21) is fixedly connected to the top of the conveyor belt (1), and a plurality of vacuum suction cups (28) are provided. A connecting pipe is installed at one end of each of the plurality of vacuum suction cups (28), and one end of the connecting pipe is fixedly connected to one end of a micro vacuum pump (29).

5. The packaging box printing quality offline inspection machine according to claim 1, characterized in that: The flattening mechanism (3) comprises a support frame (31), the bottom of the support frame (31) is fixedly connected to a third cylinder (32), the bottom of the third cylinder (32) is fixedly connected to a connecting frame (33), and the inner side of the connecting frame (33) is rotatably connected to a pressing roller (34).

6. The offline inspection machine for printing quality of packaging outer boxes according to claim 5, characterized in that: Two support frames (31) are provided, and the two support frames (31) are respectively fixedly connected to the left and right sides of the conveyor belt (1).

7. The packaging box printing quality offline inspection machine according to claim 5, characterized in that: A plurality of the pressing rollers (34) are provided, and the plurality of pressing rollers (34) are arranged to be distributed in a rectangular array.

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