Digital printing cloth feeding device

By using a rotating screw to adjust the pitch of the press roller and the heating wire to dehumidify in the digital printing fabric inlet device, combined with the drying and dust blowing functions of the purge roller, the printing problems caused by wet or wrinkled fabrics are solved, and the printing quality is improved.

CN223030635UActive Publication Date: 2025-06-27NINGBO SENHAN DIGITAL PRINTING CO LTD
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Patent Information

Application Number
CN202421905667.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-08
Publication Date
2025-06-27
Estimated Expiration
2034-08-08

AI Technical Summary

Technical Problem

When the digital printing cloth feeding device deals with wet or wrinkled fabrics, it is easy to cause blurred printing patterns, distortion of color and deformation of the pattern.

Method used

A digital printing cloth feeding device is designed, using a rotating screw to adjust the spacing of the press rollers, adapt to fabrics of different thicknesses, and a heating wire and a thermal conduction layer are provided on the outer wall of the press roller to remove the moisture of the fabric and press with the press roller to make the surface of the fabric smooth. At the same time, initial drying and dust blowing are performed using a purge roller.

Benefits of technology

Effectively solve the printing problems caused by wet or wrinkled fabrics, improving the overall quality of the fabric and the clarity and accuracy of the printing pattern.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of printing cloth feeding devices, and particularly relates to a digital printing cloth feeding device which comprises a bottom plate, and a rolling frame and an outer frame are installed at the two ends of the bottom plate respectively. A plurality of groups of guide frames are mounted on the bottom plate; a first supporting frame is fixedly connected to one end of the bottom plate, and a first pressing roller is rotationally connected to the middle of the first supporting frame. A sliding block slides in a first supporting frame by rotating a threaded rod, then the effect of adjusting the distance between a first pressing roller and a second pressing roller is achieved so as to adapt to cloth of different thicknesses, the universality and flexibility of the device are improved, meanwhile, heat is generated after a heating wire is powered on, the heat is evenly transmitted to the cloth through a heat conduction layer, and the heating effect is improved. The moisture in the cloth can be removed through the first pressing roller and the second pressing roller, the surface of the cloth becomes smoother in cooperation with pressing of the first pressing roller and the second pressing roller, the influence caused by the possible moisture or wrinkle problem of the cloth is improved, and the overall quality of the cloth is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of printing fabric feeding devices, and specifically relates to a digital printing fabric feeding device. Background Technique

[0002] The digital printing fabric feeding device is a key device in the digital printing production line, mainly responsible for accurately feeding the fabric to be printed into the digital printing machine according to the set method and speed for subsequent printing operations.

[0003] The digital printing fabric feeding device is provided with multiple conveyor belts, rollers or chains, etc., to smoothly transport the fabric to the working area of the digital printing machine. Before the fabric is transported, these components are adjusted to adapt to fabrics of different widths, thicknesses and materials.

[0004] Some fabrics may be affected by environmental factors during storage, such as humidity, temperature, etc., which easily cause the fabrics to become damp or wrinkled. When these fabrics are unwound through the fabric feeding device, it is easy for the printed pattern to be blurred or the color to be distorted due to the influence of moisture, and the printed pattern to be deformed or blurred due to wrinkles. Content of the Utility Model

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background technique, the utility model proposes a digital printing fabric feeding device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a digital printing fabric feeding device described in the utility model includes a bottom plate, and a winding frame and an outer frame are respectively installed at both ends of the bottom plate; multiple guiding frames are installed on the bottom plate; a first support frame is fixedly connected to one end of the bottom plate, a first pressing roller is rotatably connected to the middle of the first support frame, and a slider is slidably connected inside one end of the first support frame; a second pressing roller is rotatably connected to one end of the slider; a screw rod is rotatably connected to the slider, and the other end of the screw rod threadedly penetrates through the inside of the first support frame; heating wires are wound around the outer walls of the first pressing roller and the second pressing roller, and a heat conduction layer is sleeved outside the heating wires.

[0007] Preferably, second support frames are symmetrically and fixedly connected to one end of the bottom plate, and a first blowing roller and a second blowing roller are respectively rotatably connected to the other ends of the two second support frames; one end of the first blowing roller is connected to the output end of the motor, and one middle part of the first blowing roller is drivingly connected to the second blowing roller through a first belt group; the inside of the first blowing roller and the second blowing roller is provided with a cavity, and multiple air blowing holes are circumferentially opened inside the first blowing roller and the second blowing roller; one end of the first blowing roller and the second blowing roller is rotationally communicated with an air pipe through a rotating shaft.

[0008] Preferably, a second support frame is also fixedly connected to one end of the bottom plate close to the second blowing roller, and a crankshaft is rotatably connected to one end of the second support frame; one end of the crankshaft is drivingly connected to the middle of the second blowing roller through a second belt group; a first sleeve is rotatably sleeved on the longitudinal support rod of the crankshaft.

[0009] Preferably, a second sleeve and a sleeve rod are fixedly connected to the transverse support rod of the crankshaft; the sleeve rod is slidably connected to the inside of the second sleeve; a screw penetrates through one end of the second sleeve, and one end of the screw abuts against the surface of the sleeve rod.

[0010] Preferably, a plurality of springs are installed around the outer wall of the winding roller of the winding frame, and the other ends of the springs are fixedly connected to an arc-shaped plate.

[0011] Preferably, a filter screen is installed inside the air blowing hole.

[0012] Preferably, a rubber pad is laid at the bottom of the bottom plate, and the rubber pad has the same shape as the bottom of the bottom plate.

[0013] Advantages of the present utility model:

[0014] 1. The present utility model provides a digital printing fabric feeding device. By rotating the screw rod, the slider slides inside the first support frame, thereby achieving the effect of adjusting the distance between the first pressing roller and the second pressing roller to adapt to fabrics of different thicknesses, improving the versatility and flexibility of the device. At the same time, after the heating wire is energized, heat is generated, and the heat is evenly transferred to the fabric through the heat conduction layer to remove moisture in the fabric, and in cooperation with the pressing of the first pressing roller and the second pressing roller, the surface of the fabric becomes smoother, so as to improve the influence caused by possible dampness or wrinkles of the fabric, improve the overall quality of the fabric, and further improve the clarity and accuracy of the printed pattern.

[0015] 2. The present utility model provides a digital printing fabric feeding device. The rotation of the first blowing roller is driven by the output end of the motor, and then the second blowing roller is driven to rotate synchronously through the first belt group. When the air flow enters the inside of the blowing roller through the air pipe, it can be evenly blown out through the air blowing holes, achieving the effect of initially drying the fabric. And during the blowing process, the dust and impurities adhering to the surface of the fabric during transmission can be blown off, providing a relatively clean fabric for the subsequent digital printing process, so as to further improve the clarity and precision of the printed pattern. Description of the Drawings

[0016] The drawings described herein are used to provide a further understanding of the present utility model and form a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1is the perspective view of the present utility model;

[0018] Figure 2 in the present utility model Figure 1 partial enlarged view of part A;

[0019] Figure 3 is the cross-sectional view of the pressure roller in the present utility model;

[0020] Figure 4 is the connection schematic diagram of the first purging roller, the second purging roller and the crankshaft in the present utility model;

[0021] Figure 5 is the connection schematic diagram of the transverse support rod of the crankshaft in the present utility model;

[0022] Figure 6 is the perspective view of the winding frame in the present utility model;

[0023] Figure 7 is the guiding schematic diagram of the fabric in the present utility model.

[0024] Legend:

[0025] 1. Bottom plate; 2. Winding frame; 3. Outer frame; 4. Guiding frame; 5. First support frame; 6. First pressure roller; 7. Slide block; 8. Second pressure roller; 9. Screw; 10. Heating wire; 11. Heat conducting layer; 12. Second support frame; 13. First purging roller; 14. Second purging roller; 15. First belt group; 16. Motor; 17. Air blowing hole; 18. Rotating shaft; 19. Air pipe; 20. Second belt group; 21. Crankshaft; 22. First sleeve; 23. Second sleeve; 24. Sleeve rod; 25. Spring; 26. Arc-shaped plate. Detailed implementation manners

[0026] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0027] Specific embodiments are given below.

[0028] Please refer to Figures 1 - 7, the utility model provides a digital printing fabric feeding device, which includes a bottom plate 1. Reeling frames 2 and outer frames 3 are respectively installed at both ends of the bottom plate 1; multiple guiding frames 4 are installed on the bottom plate 1; a first support frame 5 is fixedly connected to one end of the bottom plate 1, a first pressing roller 6 is rotatably connected to the middle of the first support frame 5, and a slider 7 is slidably connected inside one end of the first support frame 5; a second pressing roller 8 is rotatably connected to one end of the slider 7; a screw rod 9 is rotatably connected to the slider 7, and the other end of the screw rod 9 threadedly penetrates through the inside of the first support frame 5; heating wires 10 are wound around the outer walls of the first pressing roller 6 and the second pressing roller 8, and a heat conduction layer 11 is sleeved outside the heating wires 10.

[0029] During operation, the fabric enters from the outer frame 3 and is guided by multiple guiding frames 4 to ensure the stability and directionality of the fabric transmission. When the fabric enters between the first pressing roller 6 and the second pressing roller 8, by rotating the screw rod 9, the slider 7 slides inside the first support frame 5, thereby achieving the effect of adjusting the distance between the first pressing roller 6 and the second pressing roller 8 to adapt to fabrics of different thicknesses, improving the versatility and flexibility of the device. At the same time, after the heating wires 10 are energized, heat is generated, and the heat is evenly transferred to the fabric through the heat conduction layer 11 to remove the moisture in the fabric. Combined with the pressing of the first pressing roller 6 and the second pressing roller 8, the surface of the fabric becomes smoother, so as to improve the influence caused by the possible problems of dampness or wrinkles of the fabric, improve the overall quality of the fabric, and further improve the clarity and accuracy of the printed pattern.

[0030] Please refer to Figure 1 , Figure 4 , two second support frames 12 are symmetrically and fixedly connected to one end of the bottom plate 1, and a first blowing roller 13 and a second blowing roller 14 are respectively rotatably connected to the other ends of the two second support frames 12; one end of the first blowing roller 13 is connected to the output end of the motor 16, and the middle of one end of the first blowing roller 13 is drivingly connected to the second blowing roller 14 through a first belt group 15; the interiors of the first blowing roller 13 and the second blowing roller 14 are hollow, and multiple blowing holes 17 are circumferentially opened inside the first blowing roller 13 and the second blowing roller 14; one end of the first blowing roller 13 and the second blowing roller 14 is rotationally communicated with an air pipe 19 through a rotating shaft 18; during operation, the air pipe 19 is connected to an external air pump, the first blowing roller 13 is driven to rotate by the output end of the motor 16, and then the second blowing roller 14 is driven to rotate synchronously through the first belt group 15. When the air flow enters the inside of the blowing roller through the air pipe 19, it can be evenly blown out through the blowing holes 17, achieving the effect of initially drying the fabric, and during the blowing process, the dust and impurities adhering to the surface of the fabric during transmission can be blown off, providing a relatively clean fabric for the subsequent digital printing process to further improve the clarity and accuracy of the printed pattern.

[0031] Please refer to Figure 1 ,Figure 4 At one end of the bottom plate 1 near the second blowing roller 14, a second support frame 12 is also fixedly connected, and a crankshaft 21 is rotatably connected to one end of the second support frame 12; one end of the crankshaft 21 is drivingly connected to the middle of the second blowing roller 14 through a second belt group 20; a first sleeve 22 is rotatably sleeved on the longitudinal rod of the crankshaft 21; during operation, the crankshaft 21 can rotate synchronously with the second blowing roller 14 through the second belt group 20, and during the rotation process, the surface of the fabric can be reciprocally knocked to remove dust, impurities and fine fibers on the surface of the fabric, ensuring the cleanliness of the fabric surface before entering printing, further improving the printing quality and clarity, and the first sleeve 22 can rotate to reduce the wear generated between the crankshaft 21 and the fabric.

[0032] Please refer to Figure 1 、 Figure 5 On the transverse rod of the crankshaft 21, a second sleeve 23 and a sleeve rod 24 are fixedly connected; the sleeve rod 24 is slidably connected to the inside of the second sleeve 23; a screw penetrates through one end of the second sleeve 23, and one end of the screw abuts against the surface of the sleeve rod 24; during operation, by loosening the screw, the extending length of the sleeve rod 24 inside the second sleeve 23 can be adjusted to achieve the purpose of adjusting the overall length of the transverse rod of the crankshaft 21, so as to be flexibly adjusted according to the fabric thickness and fabric material in the follow-up.

[0033] Please refer to Figure 1 、 Figure 7 On the outer wall of the winding roller of the winding frame 2, a plurality of groups of springs 25 are circumferentially installed, and the other end of the spring 25 is fixedly connected to an arc-shaped plate 26; during operation, the combined design of the spring 25 and the arc-shaped plate 26 can provide a certain tension for the fabric during the winding process. As the fabric is continuously wound, the diameter of the fabric roll gradually increases, and the spring 25 will generate a certain compression force under the action of the arc-shaped plate 26. This compression force can be evenly distributed on the fabric, helping to keep the fabric flat and reducing the generation of wrinkles.

[0034] Please refer to Figure 1 、 Figure 4 A filter screen is installed inside the air blowing hole 17; during operation, the filter screen can prevent dust, fibers, particles or other impurities from entering the equipment through the air blowing hole 17.

[0035] Please refer to Figure 1 A rubber pad is laid at the bottom of the bottom plate 1, and the rubber pad has the same shape as the bottom of the bottom plate 1; during operation, the rubber pad can increase the friction between the bottom plate 1 and the ground, reduce the sliding or movement of the equipment during use, and thus improve the stability of the equipment.

[0036] Working principle: The fabric enters from the outer frame 3 and is guided through multiple guiding frames 4 to ensure the stability and directionality of fabric transmission. When the fabric enters between the first pressing roller 6 and the second pressing roller 8, by rotating the screw rod 9, the slider 7 slides inside the first support frame 5, thereby achieving the effect of adjusting the distance between the first pressing roller 6 and the second pressing roller 8 to adapt to fabrics of different thicknesses, improving the versatility and flexibility of the device. At the same time, after the heating wire 10 is powered on, it generates heat, and the heat is evenly transferred to the fabric through the heat conduction layer 11 to remove the moisture in the fabric, and in cooperation with the pressing of the first pressing roller 6 and the second pressing roller 8, the surface of the fabric becomes smoother, so as to improve the impact caused by possible dampness or wrinkles of the fabric, improve the overall quality of the fabric, and further improve the clarity and accuracy of the printed pattern; The air pipe 19 is connected to an external air pump. The output end of the motor 16 drives the first blowing roller 13 to rotate, and then drives the second blowing roller 14 to rotate synchronously through the first belt group 15. When the air flow enters the inside of the blowing roller through the air pipe 19, it can be evenly blown out through the air holes 17, achieving the effect of initially drying the fabric. And during the blowing process, the dust and impurities attached to the surface of the fabric during transmission can be blown off, providing a relatively clean fabric for the subsequent digital printing process to further improve the clarity and precision of the printed pattern; The crankshaft 21 can rotate synchronously with the second blowing roller 14 through the second belt group 20. During the rotation process, it can reciprocally strike the surface of the fabric to remove the dust, impurities and fine fibers on the surface of the fabric, ensuring the cleanliness of the fabric surface before entering the printing, further improving the printing quality and clarity, and the first sleeve 22 can rotate to reduce the wear generated between the crankshaft 21 and the fabric; By loosening the screw, the extending length of the sleeve rod 24 inside the second sleeve 23 can be adjusted to achieve the purpose of adjusting the overall length of the transverse rod of the crankshaft 21, so as to facilitate subsequent flexible adjustment according to the fabric thickness and fabric material, etc.; The combined design of the spring 25 and the arc-shaped plate 26 can provide a certain tension for the fabric during the winding process. As the diameter of the fabric roll gradually increases during the continuous winding of the fabric, the spring 25 will generate a certain compressive force under the action of the arc-shaped plate 26, and this compressive force can be evenly distributed on the fabric, helping to keep the fabric flat and reducing the generation of wrinkles; The filter screen can reduce the entry of dust, fibers, particles or other impurities into the equipment through the air holes 17; The rubber pad can increase the friction between the bottom plate 1 and the ground, reduce the sliding or movement of the equipment during use, and thus improve the stability of the equipment.

[0037] The above has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and all these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. A digital printing cloth feeding device, comprising a bottom plate (1), with a winding frame (2) and an outer frame (3) respectively mounted on both ends of the bottom plate (1); a plurality of guide frames (4) are mounted on the bottom plate (1); the characteristics are: A first support frame (5) is fixedly connected to one end of the bottom plate (1), and a first pressing roller (6) is rotatably connected to the middle of the first support frame (5), and a slider (7) is slidably connected to the inside of one end of the first support frame (5); a second pressing roller (8) is rotatably connected to one end of the slider (7); a screw rod (9) is rotatably connected to the slider (7), and the other end of the screw rod (9) is threadedly inserted into the inside of the first support frame (5); a heating wire (10) is wound around the outer wall of the first pressing roller (6) and the second pressing roller (8), and a heat conductive layer (11) is sheathed on the outside of the heating wire (10).

2. A digital printing cloth feeding device as claimed in claim 1, characterized in that: A second support frame (12) is symmetrically fixedly connected to one end of the bottom plate (1), and the other ends of the two groups of second support frames (12) are rotatably connected to a first purge roller (13) and a second purge roller (14); one end of the first purge roller (13) is connected to an output end of a motor (16), and the middle of one end of the first purge roller (13) is transmission-connected to the second purge roller (14) via a first belt group (15); the first purge roller (13) and the second purge roller (14) are provided with cavities inside, and a plurality of groups of air blowing holes (17) are arranged around the inside of the first purge roller (13) and the second purge roller (14); one end of the first purge roller (13) and the second purge roller (14) are rotatably connected to an air pipe (19) via a rotating shaft (18).

3. A digital printing cloth feeding device as claimed in claim 2, characterized in that: A second support frame (12) is also fixedly connected to one end of the base plate (1) close to the second purge roller (14), and one end of the second support frame (12) is rotatably connected to a crankshaft (21); one end of the crankshaft (21) is transmission-connected to the middle of the second purge roller (14) via a second belt set (20); and a first sleeve (22) is rotatably sleeved on the longitudinal support rod of the crankshaft (21).

4. A digital printing cloth feeding device as claimed in claim 3, characterized in that: A second sleeve (23) and a sleeve rod (24) are fixedly connected to the transverse support rod of the crankshaft (21); the sleeve rod (24) is slidably connected to the interior of the second sleeve (23); a screw passes through one end of the second sleeve (23), and one end of the screw abuts against the surface of the sleeve rod (24).

5. A digital printing cloth feeding device as claimed in claim 2, characterized in that: A plurality of groups of springs (25) are mounted around the outer wall of the winding roller of the winding frame (2), and an arc-shaped plate (26) is fixedly connected to the other end of the spring (25).

6. A digital printing cloth feeding device as claimed in claim 2, characterized in that: A filter screen is installed inside the air blowing hole (17).

7. A digital printing cloth feeding device as claimed in claim 1, characterized in that: A rubber pad is laid on the bottom of the base plate (1), and the rubber pad has the same shape as the bottom of the base plate (1).