Tone acquisition mechanism of double-tone color separation device

By introducing a suction component and a drive mechanism into the duotone separation device, efficient and accurate acquisition of tonal data from black and white photographs is achieved, solving the efficiency and accuracy problems caused by the need for two scans in existing technologies and ensuring the uniformity of tonal data.

CN223783739UActive Publication Date: 2026-01-09HANGZHOU DAILY PRESS GRP SHENGYUAN PRINTING CO LTD
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Patent Information

Application Number
CN202520128542.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-20
Publication Date
2026-01-09
Estimated Expiration
2035-01-20

AI Technical Summary

Technical Problem

Existing duotone color separation devices require two scans when acquiring tonal data from black and white photographs, resulting in low efficiency and accuracy, and making it difficult to ensure the consistency of the two scan paths.

Method used

A tone acquisition mechanism is adopted, which includes a worktable, a moving block, a scanning unit, a drive mechanism, and a suction assembly. The image is fixed by the suction assembly, and the scanning unit on the moving block is driven by the drive mechanism to simultaneously acquire tone data. The data is then transmitted to the tone collector through a data transmission line to ensure path consistency.

Benefits of technology

It enables efficient and accurate acquisition of tone data from black and white photographs, improving acquisition efficiency and accuracy, and ensuring the consistency of tone data.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hue acquisition, and discloses a hue acquisition mechanism of a double-tone color separation device, which comprises a workbench, the top end of the workbench is provided with a placing groove, and the top end of the workbench is slidably provided with two moving blocks; a work needing to collect tone data is arranged in the containing groove, a photo is sucked and fixed through the suction assembly, the photo cannot be blocked, fixing of the photo is also achieved, and then the two moving blocks are driven through the driving assembly, so that the two moving blocks are driven to move; the scanning parts below the two moving blocks respectively perform tone collection on the pictures in the placing groove at the same time, the collected data is transmitted to the interior of the tone collector body through the data transmission line, and the scanning parts and the tone collector body are in the prior art, so that detailed description is not needed, and the efficiency is improved. Independent hue collection can be realized through the scanning parts on the two groups of moving blocks, and the collection paths are kept consistent, so that the hue collection accuracy and efficiency are realized.
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Description

Technical Field

[0001] This utility model relates to the field of tone acquisition technology, and in particular to a tone acquisition mechanism of a two-tone color separation device. Background Technology

[0002] Tone acquisition plays a crucial role in the printing industry. Especially in two-tone color separation printing of black and white images, accurately capturing and reproducing the tonal information of the original is key to ensuring print quality. This process not only requires accurately reflecting the layers and details in the image but also ensuring tonal consistency to meet the stringent requirements of high-end printed materials for color reproduction and stability. Advanced tone acquisition technology enables precise control over the subtle tones of black and white photographs, laying a solid foundation for subsequent color separation and printing processes.

[0003] In current printing technology, tone acquisition primarily relies on specialized tone acquisition devices for scanning. This step converts the image information of the original document into digital signals, which are then imported into a computer for further processing via data transmission technology. The tone acquisition device, with its high precision and stability, can capture extremely subtle tonal variations in the image, ensuring that the converted digital image visually matches the original. The speed and accuracy of the data transmission technology guarantee the efficiency and reliability of this process, providing strong support for color management of printed materials.

[0004] Chinese patent CN205573342U discloses a two-tone color separation device, characterized by comprising: a tone collector, which collects the tone of the printed document during operation of the two-tone color separation device; a tone controller, which outputs a tone control signal based on the tone information fed back by the tone collector; a tone mixer, which is connected to several storage tanks containing different tone pigments, and mixes and adjusts the pigments supplied from the storage tanks under the action of the tone control signal before outputting the pigment; and a pigment nozzle, which sprays the pigment output from the pigment mixer or storage tanks for document tone printing. Given that this device is an upgrade of existing printing equipment, it significantly reduces equipment investment costs and saves space for equipment placement and storage.

[0005] In the printing process of black and white photographs, when using the aforementioned device to collect tone data, it is often necessary to collect the color data of both black and gray tones in the photograph. To ensure the accuracy of the data, the photograph needs to be scanned twice by the scanner of the tone collector. The first scan collects the data information of the black tone, and the second scan collects the data information of the gray tone. Then, the data information from both scans is transmitted to the computer. However, when this device collects two-tone data, it needs to perform two scans. In order to ensure the consistency of tone data, the paths of the two scans need to be the same. Otherwise, data deviations will occur. This method of acquisition is not efficient or accurate. Utility Model Content

[0006] Purpose of the utility model: The purpose of this utility model is to provide a tone acquisition mechanism for a two-tone color separation device to solve the above-mentioned shortcomings in the prior art.

[0007] Technical Solution: A tone acquisition mechanism for a dual-tone color separation device includes a worktable. A placement slot is provided at the top of the worktable. Two movable blocks are slidably mounted on the top of the worktable. Scanning units are provided at the bottom of the two movable blocks. A driving mechanism is provided between the two movable blocks and the worktable. A tone collector body is fixedly mounted at one end of the worktable. Two data transmission lines are connected to the sidewalls of the tone collector body. The tone collector body is electrically connected to the scanning units on the two movable blocks via the two data transmission lines. A suction assembly is provided below the worktable.

[0008] As a further description of the above technical solution: the suction assembly includes a vacuum pump fixedly installed at the bottom of the workbench, the placement slot has a suction groove inside, the suction groove has a suction nozzle inside, and the two sides of the vacuum pump are connected to a connecting pipe, which is connected to a plurality of suction nozzles respectively.

[0009] As a further description of the above technical solution: the driving mechanism includes a screw rotatably mounted below the worktable, a slide rod fixedly mounted below the worktable, the slide rod passing through the bottom end of the moving block and slidably connected, the screw passing through the bottom end of the moving block and threadedly connected, a motor fixedly mounted at one end of the worktable, and the output end of the motor being drivenly connected to the screw.

[0010] As a further description of the above technical solution: extensions are fixedly installed at the four corners of the placement slot.

[0011] As a further description of the above technical solution: one end of the vacuum pump is connected to an outlet end.

[0012] As a further description of the above technical solution: the bottom end of the workbench is provided with a heat dissipation groove, which is located on one side of the color collector body. The air outlet is connected to and installed with multiple exhaust pipes, which are arranged on one side of multiple heat dissipation grooves.

[0013] As a further description of the above technical solution: two through slots are opened at the top of the moving block, and lifting plates are slidably installed inside the two through slots. Lighting lamps are fixedly installed inside both ends of the moving block.

[0014] As a further description of the above technical solution: a connecting plate is fixedly connected between the two lifting plates, and an adjusting bolt is rotatably connected to the top of the moving block, the adjusting bolt being threadedly connected to the connecting plate.

[0015] Beneficial effects: The artwork requiring tonal data acquisition is placed inside the placement slot, and the photo is sucked and fixed by the suction component, which neither obstructs the photo nor fails to fix it. Then, the driving component drives two moving blocks, and the scanning parts under the two moving blocks simultaneously acquire tonal data from the photo inside the placement slot. The acquired data is transmitted to the interior of the tonal collector body through the data transmission line. The scanning parts and the tonal collector body are existing technologies and will not be described in detail. The scanning parts on the two sets of moving blocks can achieve independent tonal acquisition, and the acquisition path is consistent, thereby achieving high accuracy and efficiency in tonal acquisition. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural schematic diagram of the tone acquisition mechanism of a two-tone color separation device proposed in this utility model;

[0017] Figure 2 This is a three-dimensional structural schematic diagram from another perspective of the present invention;

[0018] Figure 3 This is a three-dimensional structural diagram of the present invention during tone acquisition.

[0019] Figure 4 This is a three-dimensional structural diagram of the movable block of this utility model;

[0020] Figure 5 This is a three-dimensional structural schematic diagram of the movable block of this utility model from another perspective;

[0021] Figure 6 This is a three-dimensional structural diagram of the vacuum pump of this utility model.

[0022] Legend:

[0023] 1. Workbench; 2. Placement slot; 3. Extension section; 4. Suction slot; 5. Moving block; 6. Tone collector body; 7. Data transmission line; 8. Motor; 9. Screw; 10. Slide rod; 11. Vacuum pump; 12. Air outlet; 13. Connecting pipe; 14. Suction nozzle; 15. Exhaust pipe; 16. Heat dissipation slot; 17. Adjusting bolt; 18. Lifting plate; 19. Connecting plate; 20. Lighting lamp; 21. Scanning section; 22. Through slot. Detailed Implementation

[0024] To make the technical solution of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0025] Reference Figure 1-6 A tone acquisition mechanism for a dual-tone color separation device includes a worktable 1. A placement slot 2 is provided at the top of the worktable 1. Two movable blocks 5 are slidably mounted on the top of the worktable 1. Scanning units 21 are provided at the bottom of the two movable blocks 5. A driving mechanism is provided between the two movable blocks 5 and the worktable 1. A tone collector body 6 is fixedly mounted at one end of the worktable 1. Two data transmission lines 7 are respectively connected to the side walls of the tone collector body 6. The tone collector body 6 is electrically connected to the scanning units 21 on the two movable blocks 5 via the two data transmission lines 7. A suction assembly is provided below the worktable 1. The mechanism is used to collect tone data. The photograph is placed inside the placement slot 2. The suction component sucks the photograph in place, which neither obstructs the photograph nor fails to fix it. Then, the drive component drives two moving blocks 5. The scanning units 21 below the two moving blocks 5 simultaneously collect tones from the photograph inside the placement slot 2. The collected data is transmitted to the tones collector body 6 through the data transmission line 7. The scanning units 21 and the tones collector body 6 are existing technologies and will not be described in detail. The scanning units 21 on the two sets of moving blocks 5 can achieve independent tones collection, and the collection path is consistent, thus achieving accuracy and efficiency in tones collection.

[0026] As a preferred technical solution of this embodiment, the suction assembly includes a vacuum pump 11 fixedly installed at the bottom of the workbench 1. The placement slot 2 has a suction slot 4 inside, and a suction nozzle 14 is provided inside the suction slot 4. A connecting pipe 13 is installed on both sides of the vacuum pump 11, and the connecting pipe 13 is connected to multiple suction nozzles 14 respectively. The vacuum pump 11 can suck air from the suction slot 4 into the placement slot 2 through the suction nozzles 14, thereby fixing the photo inside the placement slot 2.

[0027] As a preferred embodiment, the driving mechanism includes a screw 9 rotatably mounted below the worktable 1, a slide rod 10 fixedly mounted below the worktable 1, the slide rod 10 passing through the bottom end of the moving block 5 and slidably connected, the screw 9 passing through the bottom end of the moving block 5 and threadedly connected, and a motor 8 fixedly mounted at one end of the worktable 1, the output end of the motor 8 being connected to the screw 9 for transmission. The motor 8 drives the screw 9 to rotate. During the rotation of the screw 9, under the limiting action of the slide rod 10 and the moving block 5, the two moving blocks 5 slide sequentially above the worktable 1 to collect color tones sequentially.

[0028] As a preferred technical solution in this embodiment, extensions 3 are fixedly installed at the four corners of the placement slot 2; the extensions 3 can limit and block the photos inside the placement slot 2 to a certain extent, thereby achieving further fixation of the photos.

[0029] As a preferred technical solution in this embodiment, one end of the vacuum pump 11 is connected to an outlet end 12; the outlet end 12 can discharge the gas drawn by the vacuum pump 11.

[0030] As a preferred technical solution in this embodiment, a heat dissipation groove 16 is provided at the bottom of the workbench 1. The heat dissipation groove 16 is provided on one side of the color collector body 6. The air outlet 12 is connected to and installed with multiple exhaust pipes 15. The multiple exhaust pipes 15 are arranged on one side of the multiple heat dissipation grooves 16. The exhaust gas is discharged through the exhaust pipes 15, and the exhaust pipes 15 blow the discharged gas through the heat dissipation grooves 16 to one side of the color collector body 6, thereby increasing the heat dissipation performance of the color collector.

[0031] As a preferred technical solution in this embodiment, the top of the movable block 5 has two through slots 22, and a lifting plate 18 is slidably installed inside the two through slots 22. Lighting lamps 20 are fixedly installed inside both ends of the movable block 5. When the ambient light is weak and the scanning conditions cannot be met, the lifting plate 18 is inserted into the through slot 22 to block the two sides of the movable block 5. Then, the lighting lamps 20 illuminate the bottom of the movable block 5 to ensure that the scanning unit 21 has sufficient light during acquisition.

[0032] As a preferred technical solution in this embodiment, a connecting plate 19 is fixedly connected between the two lifting plates 18, and an adjusting bolt 17 is rotatably connected to the top of the moving block 5. The adjusting bolt 17 is threadedly connected to the connecting plate 19. By rotating the bolt, the up and down movement of the connecting plate 19 can be controlled, thereby enabling the up and down movement of the lifting plates 18.

[0033] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.

Claims

1. A tone acquisition mechanism for a two-tone color separation device, comprising a worktable (1), characterized in that, The top of the workbench (1) is provided with a placement slot (2). Two moving blocks (5) are slidably installed on the top of the workbench (1). Scanning units (21) are provided at the bottom of the two moving blocks (5). A driving mechanism is provided between the two moving blocks (5) and the workbench (1). A tone collector body (6) is fixedly installed at one end of the workbench (1). Two data transmission lines (7) are respectively connected to the side wall of the tone collector body (6). The tone collector body (6) is electrically connected to the scanning units (21) on the two moving blocks (5) through the two data transmission lines (7). A suction assembly is provided below the workbench (1).

2. The tone acquisition mechanism of a two-tone color separation device according to claim 1, characterized in that, The suction assembly includes a vacuum pump (11) fixedly installed at the bottom of the workbench (1). The placement slot (2) has a suction slot (4) inside. The suction slot (4) is provided with a suction nozzle (14). A connecting pipe (13) is installed on both sides of the vacuum pump (11). The connecting pipe (13) is connected to multiple suction nozzles (14) respectively.

3. The tone acquisition mechanism of a two-tone color separation device according to claim 1, characterized in that, The driving mechanism includes a screw (9) rotatably mounted below the workbench (1), a slide rod (10) fixedly mounted below the workbench (1), the slide rod (10) passing through the bottom end of the moving block (5) and slidably connected, the screw (9) passing through the bottom end of the moving block (5) and threadedly connected, and a motor (8) fixedly mounted at one end of the workbench (1), the output end of the motor (8) being drivenly connected to the screw (9).

4. The tone acquisition mechanism of a two-tone color separation device according to claim 1, characterized in that, Extensions (3) are fixedly installed at the four corners of the placement slot (2).

5. The tone acquisition mechanism of a two-tone color separation device according to claim 2, characterized in that, One end of the vacuum pump (11) is connected to an outlet end (12).

6. The tone acquisition mechanism of a two-tone color separation device according to claim 5, characterized in that, The bottom end of the workbench (1) is provided with a heat dissipation groove (16), which is located on one side of the color collector body (6). The air outlet (12) is connected to and installed with multiple exhaust pipes (15), which are arranged on one side of multiple heat dissipation grooves (16).

7. The tone acquisition mechanism of a two-tone color separation device according to claim 1, characterized in that, The top of the movable block (5) has two through slots (22), and a lifting plate (18) is slidably installed inside the two through slots (22). Lighting lamps (20) are fixedly installed inside both ends of the movable block (5).

8. The tone acquisition mechanism of a two-tone color separation device according to claim 7, characterized in that, A connecting plate (19) is fixedly connected between the two lifting plates (18), and an adjusting bolt (17) is rotatably connected to the top of the moving block (5). The adjusting bolt (17) is threadedly connected to the connecting plate (19).

Citation Information

Patent Citations

  • Duotone color separating device

    CN205573342U