Chromatic aberration detection device for packaging material printing

Abstract

The utility model provides a color difference detection device for packaging material printing, which comprises a bottom plate, the top of the bottom plate is provided with a placing table, the top of the placing table is provided with a limiting assembly and a cleaning assembly in a limiting and sliding manner along the vertical direction, and the limiting assembly is in sliding transmission fit with the cleaning assembly. A driving mechanism for driving the limiting assembly and the cleaning assembly to slide is arranged on the placing table; two supporting frames are symmetrically and fixedly arranged on the top of the bottom plate, and a color difference detector is connected between the two supporting frames through an adjusting mechanism. The driving mechanism can drive the limiting assembly and the cleaning assembly to move downwards, and the limiting assembly makes contact with the paper in advance, so that the paper is limited. Afterwards, the cleaning assembly can clean the surface of the fixed paper, fixing and cleaning of the paper in the process are completed at a time, the position of the paper does not need to be adjusted again, operation is easy, the automation degree is high, and therefore the workload of workers is reduced while operation is simplified.

Description

Technical Field

[0001] The utility model belongs to the technical field of color difference detection, and in particular relates to a color difference detection device for printing packaging materials. Background Art

[0002] Colorimetric testing of packaging materials is crucial for ensuring product quality and consistency. In the packaging and printing industry, colorimetric testing is commonly used, one of the most accurate testing tools currently available. However, the paper to be tested must be placed on a work surface for inspection. However, existing work surfaces are inconvenient for securing the paper and cleaning dust from the surface, which affects detection accuracy.

[0003] The existing patent with announcement number CN218067620U discloses a work platform for color difference detection of printed matter, which is equipped with a bottom plate, a supporting platform, a placement slot, adsorption holes, a suction blower, etc. When in use, the staff first places the paper to be tested on the supporting platform so that the two ends of the paper to be tested are placed on the adsorption holes on both sides of the supporting platform. Then, the two suction blowers are started, so that one suction blower sucks air and the other blows air, thereby removing dust from the surface of the paper and improving the detection accuracy of the paper. After cleaning, the staff places the paper to be tested on the adsorption holes again and controls both suction blowers to suck air, thereby fixing the paper and facilitating its detection.

[0004] However, after cleaning the paper, the above solution requires repositioning both sides of the paper over the corresponding suction holes and controlling the two blowers to suction and secure it. This entire process requires staff to readjust the working state of the blowers, which reduces the service life of the blowers and increases maintenance costs. Furthermore, during the paper securing process, staff also need to readjust the position of the paper so that it is laid flat again in the placement slot, which is a cumbersome operation and increases staff workload. Utility Model Content

[0005] In order to solve the problems existing in the background technology, the utility model provides a color difference detection device for printing packaging materials.

[0006] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0007] A color difference detection device for packaging material printing includes a base plate, a placement table is installed on the top of the base plate, a limit assembly and a cleaning assembly are set on the top of the placement table for limited sliding in the vertical direction, the limit assembly and the cleaning assembly are cooperated in sliding transmission, and a driving mechanism for driving the limit assembly and the cleaning assembly to slide is provided on the placement table; two support frames are symmetrically fixed on the top of the base plate, and a color difference detector is connected between the two support frames through an adjustment mechanism.

[0008] Furthermore, the driving mechanism includes a first electric push rod, two fixed rods are symmetrically arranged on the top of the placement table, the first electric push rods are fixedly installed on the two fixed rods, and the telescopic shafts of the two first electric push rods are fixedly connected to the cleaning assembly.

[0009] Furthermore, the cleaning assembly includes an L-shaped mounting plate, the telescopic shafts of the two first electric push rods are fixedly connected to an L-shaped mounting plate, the cross-section of the L-shaped mounting plate in the horizontal direction is U-shaped, and is composed of two first sub-plates and a second sub-plate; a U-shaped groove is fixedly provided on the top of the placement table, and the U-shaped groove is limited and slidably matched with the L-shaped mounting plate; an airbag is fixedly installed on the bottom of the L-shaped mounting plate, the arrangement shape of the airbag and the L-shaped mounting plate is the same, and the airbag is contact-extruded with the top of the placement table; air inlets are provided at both ends of the airbag, a one-way air inlet valve is fixedly installed in each air inlet, and a number of air outlet pipes are fixedly connected at the position corresponding to the airbag and the second sub-plate.

[0010] Furthermore, the limit assembly includes a pressure plate, which is adapted and slidably fitted with the L-shaped mounting plate, and a plurality of limit grooves are provided on the pressure plate, and a fixed shaft is fixedly arranged in each limit groove; a plurality of limit blocks are fixedly provided on the two first sub-plates, and the number of limit blocks is equal to the number of limit grooves and they correspond one-to-one to limit sliding fit, and each limit block is limit sliding fit with the fixed shaft in the corresponding limit groove; a spring is sleeved on the outer surface of each of the fixed shafts, one end of the spring is fixedly connected to the bottom of the limit block, and the other end is fixedly connected to the limit groove; a plurality of clearance holes are provided on the pressure plate, and the number of clearance holes is equal to the number of air outlet pipes and they correspond one-to-one, and each air outlet pipe is fixed through the corresponding clearance hole.

[0011] Furthermore, the adjustment mechanism includes a movable plate, a movable plate is horizontally limited and slidingly arranged between the two support frames, a second electric push rod is fixedly installed on the movable plate, and the telescopic shaft of the second electric push rod is fixedly connected to the color difference detector; the top of one of the support frames is both fixedly installed with a motor and a threaded rod is horizontally rotatably arranged, and the output shaft of the motor is coaxially fixedly connected to one end of the threaded rod; the top of the other support frame is horizontally fixedly arranged with a guide shaft, one end of the movable plate is threadedly engaged with the threaded rod, and the other end is slidably engaged with the guide shaft.

[0012] This application has the following beneficial effects:

[0013] The drive mechanism drives the limiting and cleaning components downward, with the limiting component contacting the paper first, thereby limiting the paper's position. The cleaning component then cleans the surface of the secured paper. This completes the cleaning process in one go, eliminating the need to readjust the paper's position. The simple operation and high degree of automation simplify operations while reducing staff workload. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and other objects, features and advantages of the exemplary embodiments of the present invention will become readily understood by reading the detailed description below with reference to the accompanying drawings. In the accompanying drawings, several embodiments of the present invention are shown in an exemplary and non-limiting manner, and the same or corresponding reference numerals represent the same or corresponding parts, wherein:

[0015] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the connection relationship between the limit assembly and the cleaning assembly of the utility model;

[0017] Figure 3 This utility model Figure 2 A partial enlarged schematic diagram of point A in the middle;

[0018] Figure 4 It is a schematic diagram of the structure of the air outlet pipe of the utility model.

[0019] Description of reference numerals:

[0020] 1. Base plate; 2. Placement table; 3. U-shaped groove; 4. Fixed rod; 5. First electric push rod; 6. L-shaped mounting plate; 61. First sub-plate; 62. Second sub-plate; 7. Press plate; 8. Fixed shaft; 9. Spring; 10. Airbag; 11. Air inlet; 12. Air outlet pipe; 13. Motor; 14. Threaded rod; 15. Moving plate; 16. Guide shaft; 17. Second electric push rod; 18. Color difference detector; 19. Clearance hole; 20. Support frame. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Those skilled in the art should know that the embodiments described below are part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts shall fall within the scope of protection of the present invention.

[0022] like Figure 1-Figure 4As shown, the technical solution adopted by the utility model is as follows: a color difference detection device for printing packaging materials, including a base plate 1, a placement table 2 is fixedly arranged on the top of the base plate 1, a limit assembly and a cleaning assembly are set on the top of the placement table 2 for limited sliding in the vertical direction, the limit assembly and the cleaning assembly are matched with each other in sliding transmission, and a driving mechanism for driving the limit assembly and the cleaning assembly to slide is provided on the placement table 2.

[0023] The driving mechanism includes a first electric push rod 5, and two fixed rods 4 are symmetrically arranged on the top of the placement table 2. The two fixed rods 4 are both in an inverted "L" shape. A first electric push rod 5 is fixedly installed on the horizontal plate of the two fixed rods 4, and the telescopic shafts of the two first electric push rods 5 are fixedly connected to the cleaning assembly.

[0024] The cleaning assembly includes an L-shaped mounting plate 6. The telescopic shafts of the two first electric push rods 5 are fixedly connected to the same L-shaped mounting plate 6. The cross-section of the L-shaped mounting plate 6 in the horizontal direction is "U"-shaped and is composed of two first sub-plates 61 and a second sub-plate 62. At the same time, a U-shaped groove 3 is fixedly provided on the top of the placement table 2, and the U-shaped groove 3 is limited and slidably matched with the L-shaped mounting plate 6. An airbag 10 is fixedly provided at the bottom of the L-shaped mounting plate 6. The arrangement shape of the airbag 10 is the same as that of the L-shaped mounting plate 6, and the airbag 10 is contact-extruded with the top of the placement table 2. Air inlets 11 are provided at both ends of the airbag 10, and a one-way air inlet valve is fixedly installed in each air inlet 11. Several air outlet pipes 12 are fixedly connected and provided at the position corresponding to the airbag 10 itself and the second sub-plate 62. The diameter of the outlet pipe 12 is much smaller than the diameter of the air inlet 11.

[0025] The telescopic shaft of the first electric push rod 5 pushes the L-shaped mounting plate 6 downward, which in turn drives the airbag 10 downward, causing it to contact and squeeze the top of the placement table 2. This releases the gas within the airbag 10 through the air outlet pipe 12, thereby removing dust from the paper surface and reducing the impact of dust on color difference detection accuracy. During this process, the U-shaped groove 3 makes way for the L-shaped mounting plate 6, causing it to slide relatively within the groove.

[0026] The limiting assembly includes a pressure plate 7, which is U-shaped and fits snugly with the L-shaped mounting plate 6. A rubber pad (not shown) is provided at the bottom of the pressure plate 7 to increase friction, and the bottom of the rubber pad is in contact with the top of the placement table 2.

[0027] Several limit slots are provided in the vertical direction in the pressure plate 7. A fixed shaft 8 is fixedly arranged in the vertical direction in each limit slot. The top and bottom of the fixed shaft 8 are fixedly connected to the pressure plate 7. Several limit blocks are fixedly provided on the two first sub-plates 61. The number of limit blocks is equal to the number of limit slots and they correspond one to one. Each limit block is provided in a limit sliding manner in the corresponding limit slot, and each limit block is in limit sliding cooperation with the fixed shaft 8 in the corresponding limit slot. A spring 9 is sleeved on the outer surface of each fixed shaft 8. The top of the spring 9 is fixedly connected to the bottom of the limit block, and the bottom of the spring 9 is fixedly connected to the bottom inner wall of the limit slot. In addition, several clearance holes 19 are provided on the pressure plate 7. The number of clearance holes 19 is equal to the number of the air outlet pipes 12 and they correspond one to one in position. Each air outlet pipe 12 is fixedly passed through the corresponding clearance hole 19.

[0028] The downward movement of the L-shaped mounting plate 6 drives the stopper block to move synchronously. The stopper block then moves downward within the stopper slot along the central axis of the fixed shaft 8, thereby pushing the pressure plate 7 downward via the spring 9. The rubber pad at the bottom of the pressure plate 7 contacts the paper placed on top of the placement table 2 before the paper, thereby limiting the paper's position. As the telescopic shaft of the first electric push rod 5 continues to extend, the compression deformation of the spring 9 gradually increases, thereby improving the paper's restraining effect.

[0029] Two N-shaped support frames 20 are fixedly and symmetrically mounted on the top of the base plate 1. A colorimeter 18 is connected between the two support frames 20 via an adjustment mechanism. The adjustment mechanism includes a movable plate 15, which is horizontally limited and slidingly mounted between the two support frames 20. A second electric push rod 17 is fixedly mounted on the movable plate 15. The telescopic shaft of the second electric push rod 17 is fixedly connected to the colorimeter 18. The colorimeter 18 is conventional technology and will not be described in detail in this solution.

[0030] The top of one of the support frames 20 is both fixedly mounted with a motor 13 and horizontally rotatably mounted with a threaded rod 14. Both ends of the threaded rod 14 are rotatably connected to the support frame 20, and the output shaft of the motor 13 is coaxially fixedly connected to one end of the threaded rod 14. The top of the other support frame 20 is fixedly mounted with a guide shaft 16 in the horizontal direction. A movable plate 15 is positioned between the threaded rod 14 and the guide shaft 16. One end of the movable plate 15 is threadably engaged with the threaded rod 14, and the other end is slidably engaged with the guide shaft 16.

[0031] Motor 13 is started, and its output shaft drives threaded rod 14 to rotate, thereby adjusting the horizontal position of colorimeter 18 mounted on movable plate 15 under the guidance of guide shaft 16. Second electric push rod 17 is started, and the vertical position of colorimeter 18 is adjusted via the telescopic shaft of second electric push rod 17.

[0032] Working principle: When in use, place the paper material to be tested on the top of the placement table 2 so that both ends of the paper material are located below the pressing plate 7.

[0033] Start the first electric push rod 5, and push the L-shaped mounting plate 6 downward through the telescopic shaft of the first electric push rod 5. The downward movement of the L-shaped mounting plate 6 will drive the airbag 10 and the limit block to move downward synchronously. The limit block will move downward along the central axis of the fixed shaft 8 in the limit groove, thereby pushing the pressure plate 7 downward through the spring 9.

[0034] The rubber pad at the bottom of the pressure plate 7 will first contact the paper material placed on the top of the placement table 2, thereby limiting the paper material. As the telescopic shaft of the first electric push rod 5 continues to extend, the compression deformation of the spring 9 gradually increases, thereby improving the limiting effect on the paper material.

[0035] Once the paper material is restrained, the bottom of the airbag 10 contacts and squeezes the top of the platform 2, causing the airbag 10 to deform. A one-way air inlet valve restricts the outflow of gas, allowing the gas within the airbag 10 to be discharged through the outlet pipe 12, thereby removing dust from the paper surface and reducing the impact of dust on color difference detection accuracy. During this process, the U-shaped groove 3 makes way for the L-shaped mounting plate 6, which slides relative to the U-shaped groove 3.

[0036] After the paper material is positioned and cleared, the motor 13 is started, and the output shaft of the motor 13 drives the threaded rod 14 to rotate, thereby adjusting the horizontal position of the color difference detector 18 provided on the movable plate 15 under the guidance of the guide shaft 16. The second electric push rod 17 is started, and the telescopic shaft of the second electric push rod 17 adjusts the vertical position of the color difference detector 18 so that the color difference detector 18 contacts the surface of the paper material, thereby performing the detection operation.

[0037] After the detection is completed, the telescopic shaft of the second electric push rod 17 contracts to drive the color difference detector 18 to reset, and the telescopic shaft of the first electric push rod 5 contracts to drive the L-shaped mounting plate 6 and the pressure plate 7 to reset. The reset of the airbag 10 can be completed by its own elastic force or by delivering gas into the airbag 10 through the air inlet 11.

[0038] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A color difference detection device for packaging material printing, characterized in that: The invention comprises a base plate (1), a placing table (2) is installed on the top of the base plate (1), a limiting assembly and a cleaning assembly are arranged on the top of the placing table (2) for limited sliding along the vertical direction, the limiting assembly and the cleaning assembly are matched with each other in sliding transmission, and a driving mechanism for driving the limiting assembly and the cleaning assembly to slide is provided on the placing table (2); two supporting frames (20) are symmetrically fixedly arranged on the top of the base plate (1), and a color difference detector (18) is connected between the two supporting frames (20) through an adjusting mechanism.

2. The color difference detection device for packaging material printing according to claim 1, characterized in that: The driving mechanism comprises a first electric push rod (5); two fixed rods (4) are symmetrically arranged on the top of the placement table (2); the first electric push rod (5) is fixedly mounted on the two fixed rods (4); and the telescopic shafts of the two first electric push rods (5) are fixedly connected to the cleaning assembly.

3. The color difference detection device for packaging material printing according to claim 2, characterized in that: The cleaning assembly comprises an L-shaped mounting plate (6), the telescopic shafts of the two first electric push rods (5) are fixedly connected to an L-shaped mounting plate (6), the cross section of the L-shaped mounting plate (6) in the horizontal direction is U-shaped, and is composed of two first sub-plates (61) and a second sub-plate (62); a U-shaped groove (3) is fixedly provided on the top of the placement table (2), and the U-shaped groove (3) is limitedly slidably matched with the L-shaped mounting plate (6); an air bag (10) is fixedly installed on the bottom of the L-shaped mounting plate (6), the arrangement shape of the air bag (10) and the L-shaped mounting plate (6) is the same, and the air bag (10) is contact-pressed with the top of the placement table (2); both ends of the air bag (10) are provided with an air inlet (11), and a one-way air inlet valve is fixedly installed in each air inlet (11), and a plurality of air outlet pipes (12) are fixedly connected at the position corresponding to the air bag (10) and the second sub-plate (62).

4. The color difference detection device for packaging material printing according to claim 3, characterized in that: The limiting assembly comprises a pressing plate (7), which is adapted to and slidably fit with the L-shaped mounting plate (6); a plurality of limiting grooves are provided on the pressing plate (7), and a fixed shaft (8) is fixedly arranged in each limiting groove; a plurality of limiting blocks are fixedly arranged on the two first sub-plates (61), and the number of the limiting blocks is equal to the number of the limiting grooves and they are in one-to-one limiting sliding cooperation, and each limiting block is in limiting sliding cooperation with the fixed shaft (8) in the corresponding limiting groove; a spring (9) is sleeved on the outer surface of each of the fixed shafts (8), one end of the spring (9) is fixedly connected to the bottom of the limiting block, and the other end is fixedly connected to the limiting groove; a plurality of clearance holes (19) are provided on the pressing plate (7), and the number of the clearance holes (19) is equal to the number of the air outlet pipes (12) and they are in one-to-one corresponding cooperation, and each air outlet pipe (12) is fixedly passed through the corresponding clearance hole (19).

5. The color difference detection device for packaging material printing according to claim 1, wherein the adjustment mechanism includes a movable plate (15), a movable plate (15) is horizontally limited and slidably arranged between two support frames (20), a second electric push rod (17) is fixedly installed on the movable plate (15), and a telescopic shaft of the second electric push rod (17) is fixedly connected to the color difference detector (18); a motor (13) is fixedly installed on the top of one of the support frames (20), and a threaded rod (14) is horizontally rotatably arranged, and the output shaft of the motor (13) is coaxially fixedly connected to one end of the threaded rod (14); a guide shaft (16) is horizontally fixedly arranged on the top of the other support frame (20), one end of the movable plate (15) is threadedly engaged with the threaded rod (14), and the other end is slidably engaged with the guide shaft (16).

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