Flat laying device for lamp-box fabric spray painting

Abstract

The utility model discloses a tiling device for lamp-box fabric inkjet, which relates to the technical field of lamp-box fabric processing, and comprises a working table, the lower side of the table top of the working table is fixedly connected with symmetrical mounting plates I, the lower side of the working table is provided with a mounting plate II, the two sides of the working table are provided with corresponding sliding chutes, and the mounting plates II are arranged in the sliding chutes. And tiling structures are mounted in the pair of sliding grooves. The two sides of the lamp-box fabric are limited through the pair of limiting plates to achieve the purpose of rectifying deviation of the fabric, then the connecting compression roller with the appropriate length is installed on the basic compression roller according to the width of the lamp-box fabric to form the integrated compression roller, the lamp-box fabric with different widths can be flattened conveniently, the pair of compression rollers roll in the direction away from each other after pressing the lamp-box fabric, and therefore the lamp-box fabric can be rectified. The pair of pressing rollers evenly apply pressure to flatly lay the lamp box fabric, so that the lamp box fabric is integrally stressed, the problem of local pulling deformation caused by a traditional clamping mode is solved, the two ends of the lamp box fabric are tightly pressed through the pair of pressing rollers after flattening is finished, and the purpose of flatly laying the lamp box fabric of different models is achieved.

Description

Technical Field

[0001] This utility model relates to the technical field of lightbox fabric processing, specifically a flat laying device for lightbox fabric inkjet printing. Background Technology

[0002] Printed fabric, commonly known as lightbox fabric, is a printing material made from PVC through a specific manufacturing process. It is primarily used for outdoor advertising printing and comes in two types: internal and external gloss. Due to its high tensile strength, good ductility, strong weather resistance, excellent light transmittance, good flame retardancy, and high flatness, it has a wide range of applications. During the production process, to make the lightbox fabric more colorful and aesthetically pleasing, inkjet printing technology is used to print on it. During the printing process, the lightbox fabric needs to be laid flat to ensure even printing on its surface.

[0003] Most existing flat laying methods involve manual fabric laying. However, manual flat laying makes it difficult to ensure that the fabric surface is completely flat, and it is easy to cause bending or offset, which affects the printing quality. Existing flat laying devices mostly use limiting clamps to hold the four corners of the lightbox fabric for flat laying. Since the force points are at the four corners, if the pulling distance is not properly controlled during this method of flat laying, it is easy to cause deformation of the lightbox fabric or fraying at the edges. It may also cause indentations or wear on the edges of the lightbox fabric, affecting the quality of the finished product. Utility Model Content

[0004] To solve the above problems, namely the problems raised in the background art, this utility model proposes a flat laying device for printing lightbox cloth, which includes a workbench, a symmetrical mounting plate one fixedly connected to the lower side of the workbench surface, a mounting plate two installed on the lower side of the workbench, corresponding sliding grooves on both sides of the workbench, a flat laying structure installed in a pair of sliding grooves, and a correction structure installed on a pair of mounting plates one and mounting plate two.

[0005] The flat structure includes a pair of worm gears, a pair of worms, a round rod, a motor, a mounting plate, a pair of lead screws, two pairs of sliders, a pair of U-shaped frames, a pair of electric push rods, a pair of annular rings, a pair of basic pressure rollers, and several pressure roller assemblies.

[0006] The mounting plate three is placed on one end of the workbench, and the other end of the mounting plate three extends beyond the workbench surface. The motor one is placed on one side of the mounting plate three. The output end of the motor one passes through the mounting plate three and is fixedly connected to a worm gear. A pair of worm gears are connected by a round rod. The two ends of a pair of sliding grooves are respectively connected to the lead screw one by bearings. Each pair of lead screws one has two sections with opposite directions of rotation. One end of each pair of lead screws one passes through the workbench and is fixedly connected to the corresponding worm wheel. A pair of worm wheels respectively mesh with the corresponding worm gears. Each slider is slidably placed in its corresponding groove. Each pair of lead screws is threadedly connected to its corresponding slider. Each pair of vertical plates of the U-shaped frame is fixedly connected to its corresponding slider on opposite sides. Each pair of electric push rods is placed on the horizontal plate of the corresponding U-shaped frame. The output ends of each pair of electric push rods pass through the corresponding U-shaped frame and are fixedly connected to the corresponding annular ring. The central bearing of the base pressure roller is connected to the annular ring. Each pair of base pressure rollers has corresponding threaded holes at both ends. Several pressure roller assemblies are threadedly connected to the base pressure roller.

[0007] The present invention is further configured such that the correction structure includes a second motor, a driving wheel, a driven wheel, a second lead screw, a pair of U-shaped rods, a pair of limiting plates, and a pair of second sliders.

[0008] The second motor is mounted on one side of the second mounting plate. The output end of the second motor passes through the second mounting plate and is fixedly connected to the driving wheel. The driving wheel meshes with the driven wheel. The two ends of the second lead screw are connected between a pair of first mounting plates by bearings. The middle part of the second lead screw passes through the second mounting plate and is fixedly connected to the center hole of the driven wheel. The second lead screw has two sections of threads with opposite directions. The two ends of the second lead screw are threadedly connected to the corresponding second sliders. The upper sides of the pair of second sliders are respectively fixedly connected to one end of the lower crossbar of the corresponding U-shaped rod. The lower crossbars of the pair of U-shaped rods slide through the corresponding first mounting plate. The table surface is located between the pair of U-shaped rods. The lower sides of the upper crossbars of the pair of U-shaped rods are attached to the table surface. The opposite ends of the upper crossbars of the pair of U-shaped rods are respectively fixedly connected to the corresponding limiting plates. The lower sides of the pair of limiting plates are attached to the upper side of the table surface.

[0009] A further feature of this invention is that: several pressure roller assemblies are composed of connecting pressure rollers of different lengths, one end of each connecting pressure roller is provided with a threaded rod, and the other end of each connecting pressure roller is provided with a threaded hole.

[0010] A further feature of this invention is that the base pressure roller is a barbell-shaped pressure roller, and the central shaft of the base pressure roller is connected to the annular ring.

[0011] A further feature of this invention is that the diameter of the annular ring is slightly smaller than the diameter of the base pressure roller, and the diameter of the base pressure roller and the diameter of each of the connecting pressure rollers are the same.

[0012] A further feature of this invention is that the pair of U-shaped frames are located on both sides of the pair of limiting plates.

[0013] A further feature of this invention is that the surface of the base pressure roller and each of the connecting pressure rollers is covered with a rubber layer, which increases the friction between the rollers and the lightbox fabric while preventing hard clamping from causing indentations or wear on the edges of the lightbox fabric.

[0014] A further feature of this invention is that the pair of electric push rods are controlled in the same position.

[0015] A further feature of this invention is that both motor one and motor two are slow-speed motors capable of forward and reverse rotation.

[0016] A further feature of this invention is that the two ends of the round rod are connected by bearings and pass through a stabilizing plate, and a pair of stabilizing plates are placed at one end of the platform to stabilize a pair of worm gears.

[0017] The beneficial technical effects of this utility model are as follows: First, a pair of limiting plates limit the two sides of the lightbox fabric to prevent the fabric from shifting during the printing process. Then, according to the width of the lightbox fabric, a connecting pressure roller of appropriate length is installed on the base pressure roller to form an integrated pressure roller, which facilitates the flattening of lightbox fabrics of different widths. After the pair of pressure rollers are moved to the position with the closest relative distance, the other pair of pressure rollers are lowered to fit tightly against the upper side of the lightbox fabric. The pair of pressure rollers roll in a direction away from each other, and the pair of pressure rollers apply pressure evenly to lay the lightbox fabric flat, so that the lightbox fabric is stressed as a whole. This improves the problem of local stretching deformation or edge pulling caused by traditional clamping methods, and ensures that the fabric is flat and without bending. When the pair of pressure rollers slide to the outer edge of the lightbox fabric, they stop sliding. At this time, under the limitation of the pair of limiting plates, the pair of pressure rollers press the two ends of the lightbox fabric, so as to achieve the purpose of laying different models of lightbox fabric flat. Attached Figure Description

[0018] Figure 1 The front view of this utility model is shown.

[0019] Figure 2 A side view of the present invention is shown.

[0020] Figure 3 A top view of the present invention is shown.

[0021] The attached diagram includes the following reference numerals: 1. Slider 1, 2. U-shaped frame, 3. Electric push rod, 4. Annular ring, 5. Pressure roller assembly, 6. Limiting plate, 7. U-shaped rod, 8. Worm gear, 9. Motor 1, 10. Worm, 11. Lead screw 2, 12. Slider 2, 13. Driving wheel, 14. Driven wheel, 15. Motor 2, 16. Basic pressure roller, 17. Lead screw 1. Detailed Implementation

[0022] The following is a reference to the appendix. Figures 1-3 The preferred embodiments of this utility model are described below. Those skilled in the art should understand that these embodiments are merely for explaining the technical principles of this utility model and are not intended to limit the scope of protection of this utility model.

[0023] This utility model proposes a flat-laying device for printing lightbox fabric. Before use, a pair of limiting plates 6 and a pair of U-shaped frames 2 are at their furthest relative positions. When using this device, the lightbox fabric is laid on the workbench. First, motor 15 is started. Motor 15 drives the drive wheel 13 to rotate, which in turn drives the driven wheel 14 to rotate. The driven wheel 14 drives the lead screw 11 to rotate, which in turn drives a pair of sliders 12 to slide towards each other. The pair of sliders 12 then drive the corresponding U-shaped rods 7 to slide towards each other. The pair of U-shaped rods 7 drive the corresponding limiting plates 6 to slide along the workbench towards each other. When one side of the pair of limiting plates 6 is in contact with one side of the lightbox fabric, the power is turned off. Machine 2.15 uses a correction structure to limit and correct the two sides of the lightbox fabric, facilitating the correction of lightbox fabric of different widths. Since the lightbox fabric itself is relatively stiff and is rolled up before printing, there will be no lateral bending; only correction is needed. After correcting and limiting the lightbox fabric, select a suitable length of pressure roller assembly 5 according to the width of the lightbox fabric. Screw the appropriate length connecting pressure rollers onto both ends of the base pressure roller 16 (if one connecting pressure roller is not long enough, take a second connecting pressure roller and screw it into the threaded hole of the first connecting pressure roller, and so on). This forms a whole pressure roller with the symmetrical pressure roller assembly 5, facilitating the flat laying of lightbox fabric of different widths. Start motor 1.9, which drives the corresponding worm gear. 10 rotates, one worm gear 10 drives another worm gear 10 to rotate via a round rod. The pair of worm gears 10 drive the corresponding meshing worm wheels 8 to rotate. The pair of worm wheels 8 drive the corresponding lead screw 17 to rotate. The pair of lead screws 17 drive the corresponding pair of sliders 1 to slide towards each other along the corresponding grooves. The two sliders 1 on different sides drive the corresponding U-shaped frame 2 to slide towards each other. When the U-shaped frame 2 slides to the closest position (there is also a certain gap between the closest distance and the U-shaped rod 7), the motor 9 is turned off, and the pair of electric push rods 3 are started. The pair of electric push rods 3 drive the corresponding pressure roller to slide downward through the corresponding annular ring 4. When the lower side of the pressure roller is tightly in contact with the upper side of the light box cloth, the pair of electric push rods 3 are turned off, and the motor is started again. Motor 9 reverses, driving a pair of U-shaped frames 2 to slide away from each other. The U-shaped frames 2, through corresponding annular rings 4, drive corresponding pressure rollers to roll along the upper side of the lightbox fabric away from each other. The pair of pressure rollers apply even pressure to flatten the lightbox fabric, ensuring the fabric is stressed as a whole. This improves upon traditional clamping methods, preventing localized stretching, deformation, or edge fraying, ensuring the fabric is flat and without bending. When the pair of pressure rollers slide to the outer edge of the lightbox fabric (the outer frame of the lightbox fabric is a white edge that does not require printing, used for subsequent hole punching and installation inside the lightbox), motor 9 is turned off. The pair of pressure rollers then press down on both ends, facilitating the flat laying and clamping of lightbox fabrics of different lengths. Under the limiting position of the correction structure, the lightbox fabric remains vertical, and the pressure rollers flatten and press down both ends.This device achieves the goal of laying the lightbox fabric flat, allowing for subsequent printing on its surface using a large-format printer. It is easy to operate and convenient for laying and pressing different types of lightbox fabric flat.

[0024] Although the present invention has been described with reference to preferred embodiments, various modifications can be made to it and components can be replaced with equivalents without departing from the scope of the present invention. In particular, the technical features mentioned in the various embodiments can be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

[0025] In the description of this utility model, terms such as "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," which indicate direction or positional relationships, are based on the direction or positional relationships shown in the accompanying drawings. These are used merely for ease of description and do not indicate or imply that the device or element must have a specific orientation, or be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] Furthermore, it should be noted that, in the description of this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0027] The term "comprising" or any other similar term is intended to cover non-exclusive inclusion, such that a process, article, or apparatus / device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to those processes, articles, or apparatus / devices.

[0028] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A flat laying device for a light box cloth airbrushing, comprising a worktable, characterized in that: The underside of the table top is fixedly connected with symmetrical mounting plate one, the underside of the table is provided with mounting plate two, the two sides of the table are provided with corresponding sliding grooves, a pair of flat structures are installed in the sliding grooves, and a pair of deviation rectifying structures are installed on the mounting plate one and the mounting plate two; The flat structure comprises a pair of worm gears (8), a pair of worms (10), a round rod, a motor one (9), a mounting plate three, a pair of lead screws one (17), two pairs of sliding blocks one (1), a pair of U-shaped frames (2), a pair of electric push rods (3), a pair of annular rings (4), a pair of base pressure rollers (16) and a plurality of pressure roller assemblies (5); The mounting plate three is arranged at one side end of the table, the other end of the mounting plate three exceeds the table top, the motor one (9) is arranged at one side of the mounting plate three, the output end of the motor one (9) penetrates through the mounting plate three and is fixedly connected with one worm (10), the two ends of the pair of worms (10) are connected through the round rod, the two ends of the pair of sliding grooves are respectively bearing-connected with the lead screws one (17), the pair of lead screws one (17) are both provided with two threads with opposite rotation directions, one end of the pair of lead screws one (17) penetrates through the table and is fixedly connected with the corresponding worm gear (8), the pair of worm gears (8) are respectively engaged with the corresponding worms (10), the two pairs of sliding blocks one (1) are respectively arranged in the corresponding sliding grooves in a sliding mode, the pair of lead screws one (17) are respectively threadedly connected with the corresponding sliding blocks one (1), the vertical plates of the pair of U-shaped frames (2) are respectively fixedly connected with the corresponding sliding blocks one (1) on the opposite sides, the pair of electric push rods (3) are respectively arranged on the horizontal plates of the corresponding U-shaped frames (2), the output ends of the pair of electric push rods (3) penetrate through the corresponding U-shaped frames (2) and are fixedly connected with the corresponding annular rings (4), the middle parts of the base pressure rollers (16) are bearing-connected with the annular rings (4), the two ends of the pair of base pressure rollers (16) are respectively provided with corresponding threaded holes, and the plurality of pressure roller assemblies (5) are threadedly connected with the base pressure rollers (16).

2. The flat laying device for spray painting of an illuminated signboard according to claim 1, wherein: The deviation rectifying structure comprises a motor two (15), a driving wheel (13), a driven wheel (14), a lead screw two (11), a pair of U-shaped rods (7), a pair of limiting plates (6) and a pair of sliding blocks two (12); The motor two (15) is arranged on one side of the second mounting plate, the output end of the motor two (15) penetrates through the second mounting plate and is fixedly connected with the driving wheel (13), the driving wheel (13) is engaged with the driven wheel (14), the both ends of the screw two (11) are connected with a pair of the first mounting plates through bearings, the middle part of the screw two (11) penetrates through the second mounting plate and is fixedly connected in the center hole of the driven wheel (14), the screw two (11) is provided with two threads with opposite rotation directions, the both ends of the screw two (11) are threadedly connected with corresponding sliding blocks two (12), the lower horizontal rods of a pair of the U-shaped rods (7) are respectively arranged on the upper sides of a pair of the sliding blocks two (12), the lower horizontal rods of a pair of the U-shaped rods (7) respectively penetrate through corresponding first mounting plates, the workbench is arranged between a pair of the U-shaped rods (7), the upper horizontal rods of a pair of the U-shaped rods (7) are attached to the upper side of the workbench, the upper horizontal rods of a pair of the U-shaped rods (7) are respectively fixedly connected with corresponding limiting plates (6), and the lower sides of a pair of the limiting plates (6) are attached to the upper side of the workbench.

3. The flat laying device for a light box cloth airbrushing according to claim 1, characterized in that: The plurality of compression roller assemblies (5) are composed of connecting compression rollers with different lengths, one end of each connecting compression roller is provided with a threaded rod, and the other end of each connecting compression roller is provided with a threaded hole.

4. The flat laying device for spray painting of an illuminated signboard according to claim 1, wherein: The base compression roller (16) is a barbell-shaped compression roller, and the central shaft of the base compression roller (16) is connected with the annular ring (4) through a bearing.

5. The flat-laying device for the spray painting of a light box cloth according to claim 3, characterized in that: The diameter of the annular ring (4) is slightly smaller than the diameter of the base compression roller (16), and the diameter of the base compression roller (16) is the same as the diameter of each connecting compression roller.

6. The flat laying device for spray painting of an illuminated signboard according to claim 2, wherein: A pair of the U-shaped frames (2) are arranged on the two sides of a pair of the limiting plates (6).

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