Multispectral anti-counterfeiting digital watermark printing device
By fixing the substrate with cylinders and rubber pressure strips, combined with L-shaped guide rods and an automatic ink system, the problem of substrate movement and deviation during printing is solved, realizing high-quality printing and automated ink management, and improving printing stability and efficiency.
Patent Information
- Application Number
- CN202520705311.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-15
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-04-15
AI Technical Summary
Existing screen printing equipment lacks an effective function to fix the substrate, causing the substrate to move or shift during the printing process, which affects product quality.
The cylinder-controlled placement plate ensures the substrate adheres tightly to the back of the printing plate, and rubber strips and L-shaped guide rods ensure stable positioning. Combined with an automatic ink replenishment system, including a storage tank, a pump, and a delivery pipe, it enables rapid ink replenishment and precise delivery.
This ensures stable printing positions and high-quality results, while improving ink addition efficiency and reducing human error and contamination risks.
Smart Images

Figure CN223877702U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to watermark printing technical field especially relates to multispectral anti -fake digital watermark printing device. BACKGROUND
[0002] With the increase of fake and inferior products, especially in the field of high value commodities, medicines, luxury goods and financial bills, the demand for effective anti -fake measures becomes more and more urgent, and digital watermark technology is a kind of technology that embeds specific information into multimedia data, in recent years, with the development of information technology, digital watermark technology is also applied to physical products, and through special materials and processes, invisible or difficult to detect marks are formed on the surface of the product to achieve the purpose of anti -fake.
[0003] The patent with patent authorization announcement No. CN207257067U discloses a manual silk screen printing equipment, the patent rotatably sets scraper on support through the scraper, so that the operator can conveniently adjust the angle of the scraper, even if the worker with low skill requirement can also operate flexibly, in addition, the equipment designs ink cavity and overflow through ink port, not only more sanitary, but also effectively saves ink, reduces the direct contact of ink and air, thereby avoiding the possibility of oxidation of some air-sensitive ink, through the design of the size of the ink port adjusted by the regulator, it can also adapt to the ink demand of different concentration and viscosity, however, the patent scheme has some deficiencies in actual application, in the printing process, the effective fixing function of the printing material is lacked, so that the printing material cannot closely adhere to the printing screen plate in the printing process, and is easy to move, thereby causing the printing position to deviate, and seriously affecting the final product quality.
[0004] Therefore, it is urgent to provide a multispectral anti -fake digital watermark printing device with the function of fixing the printing material. UTILITY MODEL CONTENT
[0005] In order to overcome the shortcomings of the existing patent silk screen printing equipment, lacking the effective fixing function of the printing material, resulting in that the printing material cannot closely adhere to the printing screen plate in the printing process, and is easy to move, thereby causing the printing position to deviate, and seriously affecting the final product quality, the utility model provides a multispectral anti -fake digital watermark printing device with the function of fixing the printing material.
[0006] In order to realize the above problems, the utility model discloses the following technical scheme: Multispectral anti -fake digital watermark printing device, including operation platform, the operation platform rear side is installed with multispectral identification instrument, the fixed frame is fixedly connected in the middle part of the operation platform mesa, the fixed frame is connected with the clamping frame, the printing board is clamped and is provided between the fixed frame with the clamping frame, the both sides of the operation platform mesa are fixedly connected with the support frame, the movable block is slidably provided on the support frame, the movable block is commonly fixedly connected with the connecting rod, the scraper is rotatably installed on the connecting rod, the scraper bottom end with the printing board surface close contact, the operation platform lower part is equipped with the square groove, and the cylinder is installed in the groove, and the movable rod of the cylinder is provided with the placing plate.
[0007] Further, the inner wall of the clamping frame is provided with a rubber pressing strip.
[0008] Further, the both sides of the operation platform are provided with storage boxes, the storage box top is connected and communicated with the feeding pipe, the storage box top is installed with the liquid extractor, the input end is communicated with the storage box, and the output end is connected with the conveying pipe.
[0009] Further, the feeding pipe is provided with a sealing plug.
[0010] Further, the inside of the square groove of the operation platform is rotatably provided with a lead screw, one end of the lead screw is provided with a hand wheel, the lead screw is threadedly provided with an L-shaped guide rod, the placing plate is provided with a movable groove, and the upper end of the L-shaped guide rod is located in the movable groove of the placing plate.
[0011] Further, the support frame is provided with a fixing ring.
[0012] Further, the scraper top is connected with a clamping sleeve.
[0013] Further, the hand wheel is provided with an anti-skid sleeve.
[0014] Compared with the prior art, the utility model has the following technical effects: 1, by utilizing the cylinder control placing plate and its on the printing material upwardly, until the printing material is close to the printing plate back, while placing plate exerts certain pressure to the printing material, reaches the fixed effect, avoids the printing position deviation caused by moving or deviation, thereby guarantee the high quality printing effect.
[0015] 2, through the design of storage box cooperation liquid extractor and conveying pipe, realize the automatic, fast addition and supplement of ink, which not only improves the efficiency of ink addition, but also reduces the error and pollution risk that manual operation can bring.
[0016] 3、Through the setting of the L-shaped guide rod, the placing plate can be guided during the process of ascending or descending, so that the stability of the printing material position during printing is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0018] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model operating table, multi-light identification instrument and fixed frame and other parts.
[0019] Figure 3 It is a sectional view of the utility model fixed frame, clamping frame and printing plate and other parts.
[0020] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model scraper, air cylinder and placing plate and other parts.
[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model storage box, feed pipe and sealing plug and other parts.
[0022] Figure 6 It is a sectional view of the utility model storage box, liquid extractor and conveying pipe and other parts.
[0023] Figure 7 It is a sectional view of the utility model screw rod, hand wheel and L-shaped guide rod and other parts.
[0024] Drawing reference: 1 - operating table, 2 - multi-light identification instrument, 3 - fixed frame, 4 - clamping frame, 5 - rubber pressure strip, 6 - printing plate, 7 - support frame, 8 - moving block, 9 - connecting rod, 10 - scraper, 11 - air cylinder, 12 - placing plate, 13 - storage box, 14 - feed pipe, 15 - sealing plug, 16 - liquid extractor, 17 - conveying pipe, 18 - screw rod, 19 - hand wheel, 20 - L-shaped guide rod, 21 - fixed ring, 22 - clamping sleeve, 23 - anti-skid sleeve. DETAILED DESCRIPTION
[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0026] Embodiment 1: Please refer to Figures 1-4, multi-spectrum anti-fake digital watermark printing device, comprising an operation table 1, a multi-spectrum identification instrument 2 is installed at the rear side of the operation table 1, which is used for verifying the anti-fake performance of the printed watermark pattern, a fixed frame 3 is fixedly connected to the middle of the table top of the operation table 1, a clamping frame 4 is clamped on the fixed frame 3, a printing plate 6 is clamped between the fixed frame 3 and the clamping frame 4, a rubber pressing strip 5 is arranged on the inner wall of the clamping frame 4, which is used for pressing the printing plate 6, and the stability of the printing plate 6 during operation is ensured through the friction of the rubber pressing strip 5, so as to prevent unnecessary movement or deviation of the printing plate 6, support frames 7 are fixedly connected to the left and right sides of the table top of the operation table 1, moving blocks 8 are slidably arranged on the support frames 7, a connecting rod 9 is fixedly connected to the moving blocks 8, a scraper 10 is rotatably installed on the connecting rod 9, the bottom end of the scraper 10 is in close contact with the surface of the printing plate 6, a clamping sleeve 22 is clamped on the top of the scraper 10, which is used for firmly locking the position of the scraper 10 after the angle of the scraper 10 is adjusted, and a square groove is arranged at the lower part of the operation table 1, a cylinder 11 is installed in the groove, a placing plate 12 is arranged below the printing plate 6 on the movable rod of the cylinder 11, which is used for supporting and fixing the printing material to be printed.
[0027] When the device is used, first, select a suitable printing plate 6 according to the digital watermark pattern to be printed, and place it on the fixed frame 3, press the printing plate 6 with the clamping frame 4, and the rubber pressing strip 5 on it contacts and presses the printing plate 6, further fixing the printing plate 6, next, remove the clamping sleeve 22 on the scraper 10, rotate the scraper 10 to the appropriate angle, make its bottom end closely contact with the surface of the printing plate 6, then re-insert the clamping sleeve 22 for fixation, then start the cylinder 11, the movable rod retracts to drive the placing plate 12 to move downward, creating space for placing the printing material, after placing the printing material, control the cylinder 11 to make the movable rod extend, drive the placing plate 12 and the printing material on it to move upward, until the printing material closely adheres to the back of the printing plate 6, and the placing plate 12 exerts a certain pressure on the printing material to prevent it from moving during printing, then the operator pours an appropriate amount of ink onto the surface of the printing plate 6, and manually operates the scraper 10 horizontally and uniformly, so that the ink uniformly penetrates through the mesh of the printing plate 6, and solidifies on the surface of the printing material to form the required watermark pattern, after printing is completed, the printing material is placed in the multi-spectrum identification instrument for detection, to ensure that the watermark pattern has the expected anti-fake effect.
[0028] Example 2: Based on example 1, please refer to Figure 5 and Figure 6The operating table 1 is provided with a storage box 13 on the left and right sides, which is used for storing the printing ink required for printing. The top of the storage box 13 is connected and communicated with a feeding pipe 14, which is used for adding ink into the storage box 13. A sealing plug 15 is arranged at the pipe opening of the feeding pipe 14, which is used for sealing the feeding pipe 14, effectively preventing the ink from leaking or evaporating when not in use, and avoiding external impurities entering the ink, thereby ensuring the purity of the ink. The top of the storage box 13 is provided with a liquid extractor 16, the input end of which is communicated with the storage box 13, and the output end is connected with a conveying pipe 17, which is used for conveying the ink from the storage box 13 to the surface of the printing plate 6. The support frame 7 is provided with a fixing ring 21, which is used for fixing the conveying pipe 17 in place to prevent the conveying pipe 17 from shifting during use, and ensures that the ink can be smoothly and accurately conveyed to the surface of the printing plate 6.
[0029] When adding ink, the liquid extractor 16 is started, which extracts the ink in the storage box 13 to the conveying pipe 17, and then uniformly conveys the ink to the surface of the printing plate 6 by the conveying pipe 17, thereby realizing automatic and rapid addition and replenishment of the ink. In this way, not only the efficiency of adding ink is improved, but also the error and pollution risk caused by manual operation is reduced. After the addition of ink is completed, the liquid extractor 16 is closed to stop the conveying of ink.
[0030] Please refer to Figure 7 The operating table 1 is provided with a storage box 13 on the left and right sides, which is used for storing the printing ink required for printing. The top of the storage box 13 is connected and communicated with a feeding pipe 14, which is used for adding ink into the storage box 13. A sealing plug 15 is arranged at the pipe opening of the feeding pipe 14, which is used for sealing the feeding pipe 14, effectively preventing the ink from leaking or evaporating when not in use, and avoiding external impurities entering the ink, thereby ensuring the purity of the ink. The top of the storage box 13 is provided with a liquid extractor 16, the input end of which is communicated with the storage box 13, and the output end is connected with a conveying pipe 17, which is used for conveying the ink from the storage box 13 to the surface of the printing plate 6. The support frame 7 is provided with a fixing ring 21, which is used for fixing the conveying pipe 17 in place to prevent the conveying pipe 17 from shifting during use, and ensures that the ink can be smoothly and accurately conveyed to the surface of the printing plate 6.
[0031] The hand wheel 19 is driven to rotate the screw rod 18. Since the L-shaped guide rod 20 and the screw rod 18 are connected in a threaded manner, as the screw rod 18 rotates, the L-shaped guide rod 20 can move back and forth along the screw rod 18, thereby adjusting the position of the L-shaped guide rod 20 in the movable slot. During the subsequent lifting or lowering of the placing plate 12, the L-shaped guide rod 20 plays a guiding role, ensuring that the placing plate 12 remains stable during lifting and lowering, avoiding shaking, and thereby ensuring the stability of the printing material position during printing.
[0032] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A multispectral anti-counterfeiting digital watermark printing device, comprising an operation table (1), a multispectral identification instrument (2) is installed at the back side of the operation table (1), a fixed frame (3) is fixedly connected to the middle of the table top of the operation table (1), a clamping frame (4) is clamped on the fixed frame (3), a printing plate (6) is clamped between the fixed frame (3) and the clamping frame (4), support frames (7) are fixedly connected to both sides of the table top of the operation table (1), moving blocks (8) are slidingly arranged on the support frames (7), a connecting rod (9) is fixedly connected to the moving blocks (8), a scraper (10) is rotatably installed on the connecting rod (9), and the bottom end of the scraper (10) is in close contact with the surface of the printing plate (6), characterized in that, The lower part of the operating platform (1) is provided with a square slot, a cylinder (11) is installed in the slot, and a placing plate (12) is arranged on the movable rod of the cylinder (11).
2. The multispectral security digital watermark printing apparatus according to claim 1, wherein The inner wall of the card frame (4) is provided with a rubber pressing strip (5).
3. The multispectral security digital watermark printing apparatus according to claim 2, wherein Both sides of the operating platform (1) are provided with storage boxes (13), the top of the storage box (13) is connected and communicated with a feeding pipe (14), the top of the storage box (13) is provided with a liquid extractor (16), the input end of the liquid extractor (16) is communicated with the storage box (13), and the output end is connected with a conveying pipe (17).
4. The multispectral security digital watermark printing apparatus according to claim 3, wherein The feeding pipe (14) is provided with a sealing plug (15) at the pipe opening.
5. The multispectral security digital watermark printing apparatus according to claim 4, wherein A screw rod (18) is rotatably arranged in the square slot of the operating platform (1), one end of the screw rod (18) is provided with a hand wheel (19), an L-shaped guide rod (20) is threadedly arranged on the screw rod (18), a movable slot is formed in the placing plate (12), and the upper end of the L-shaped guide rod (20) is located in the movable slot of the placing plate (12).
6. The multispectral, security digital watermark printing apparatus of claim 5, wherein, The supporting frame (7) is provided with a fixing ring (21).
7. The multispectral, security digital watermark printing apparatus of claim 6, wherein, The top of the scraper (10) is clamped with a clamping sleeve (22).
8. The multispectral, security digital watermark printing apparatus of claim 7, wherein, The outer part of the hand wheel (19) is sleeved with an anti-skid sleeve (23).
Citation Information
Patent Citations
Manual screen printing equipment
CN207257067U