Drying device for lamp box canvas production

By using a combination of magnet fixing and motor drive, the problems of uneven drying on both sides of the canvas and corner folding are solved, achieving a uniform and efficient canvas drying effect.

CN223580440UActive Publication Date: 2025-11-21HUNAN CHENGXUN OPTOELECTRONICS CO LTD
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Patent Information

Application Number
CN202423059798.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing lightbox canvas drying devices lack effective drying of both sides of the canvas, resulting in uneven drying and the edges of the canvas are prone to folding, affecting the drying effect.

Method used

The canvas is fixed by magnetic attraction, and the fixed plate moves back and forth in the drying oven by rotating a motor to ensure that both sides of the canvas are dried evenly and to prevent the corners from folding.

Benefits of technology

It achieves uniform drying of the canvas, improves drying efficiency, prevents corners from folding, and enhances the drying effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a drying device for lamp box canvas production, which relates to the technical field of canvas drying and comprises a drying box, and a canvas fixing device is movably mounted in the drying box. According to the drying device for production of the lamp box canvas, magnetic attraction of the first magnet and the second magnet is utilized, the pressing frame is folded at the top of the fixing plate, the pressing frame presses the canvas at the top of the fixing plate, fixing of the canvas at the top of the fixing plate is completed, the canvas is prevented from being affected by hot air, corners are prevented from being turned over, and the drying effect of the canvas is improved; a half gear is controlled to rotate through a rotating motor, a fixing plate reciprocates left and right on the inner bottom face of a supporting base through interaction of the half gear and fixing racks at the upper end and the lower end of a fixing frame, then the canvas on the top of the fixing plate swings left and right below a heating pipe, and the two side edges of the canvas can also be dried; and the canvas is dried more uniformly, and the canvas drying effect is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of picture cloth drying, more specifically, the utility model relates to a drying device for light box picture cloth production. BACKGROUND

[0002] The light box picture cloth is a special cloth used for light box display, which usually has good light transmission and various materials, such as polyester fiber. The light box picture cloth made of polyester fiber has the advantages of high strength, wear resistance and deformation resistance. In the production process of the light box picture cloth, drying is an important step. For the freshly printed picture cloth, drying can accelerate the drying speed of the ink. If the ink is not dried in time, it may cause blurring, affecting the clarity and quality of the image.

[0003] In the existing drying process of the light box picture cloth, the printing part of the picture cloth is mostly dried, and the two sides of the picture cloth are not dried, resulting in missing during drying of the picture cloth, water remaining on the two sides of the picture cloth than the middle part, affecting the drying effect. In addition, when drying the light box picture cloth, the picture cloth is usually directly laid in the inside of the drying box without being fixed, so that the corners of the picture cloth are easily affected by the hot air during drying, affecting the drying effect of the picture cloth. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the embodiments of the utility model provide a drying device for light box picture cloth production to solve the problem that the existing drying device lacks drying of the two sides of the picture cloth, resulting in missing during drying of the picture cloth, water remaining on the two sides of the picture cloth than the middle part, affecting the drying effect. In addition, when drying the light box picture cloth, the picture cloth is usually directly laid in the inside of the drying box without being fixed, so that the corners of the picture cloth are easily affected by the hot air during drying, affecting the drying effect of the picture cloth.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: a drying device for light box picture cloth production, comprising a drying box, a picture cloth fixing device movably installed inside the drying box;

[0006] The drying box comprises a supporting base, a box body fixedly installed on the top of the supporting base, an opening door arranged on one side of the box body, fixed rails fixedly connected to both ends of the inner bottom surface of the box body, an air inlet fixedly installed on the top of the box body, a filter screen fixedly connected to the top of the air inlet, a fan assembly fixedly connected to the inside of the air inlet, a heating pipe fixedly connected to the lower end inside the air inlet, and an air outlet formed on both sides of the lower end of the box body.

[0007] Two sides of the inner bottom surface of the box body are fixedly provided with fixed rails, a sliding groove is formed in the bottom of the box body, an active cavity is formed in the upper end of the supporting base, and the sliding groove is in communication with the active cavity.

[0008] The canvas fixing device comprises a fixed plate, a first magnet is fixedly connected to one side of the top of the fixed plate, a pressing frame is hingedly connected to the end of the fixed plate away from the first magnet through a rotating shaft, a second magnet is fixedly connected to the inside of the side of the pressing frame away from the rotating shaft, and the first magnet and the second magnet are magnetically connected.

[0009] The bottom of the fixed plate is fixedly provided with a limiting strip on both sides, a fixed block is fixedly connected to the bottom of the fixed plate, a fixed frame is fixedly connected to the bottom of the fixed block, fixed racks are fixedly connected to the upper and lower sides of the inside of the fixed frame, the limiting strip is slidingly connected to the top of the fixed rail, the fixed block is slidingly connected to the inside of the sliding groove, and the fixed frame is movably connected to the inside of the active cavity.

[0010] The upper end of the supporting base is fixedly provided with a rotating motor, a half gear is fixedly connected to one side of the rotating motor, and the half gear is rotatably connected to the inside of the active cavity and is in mesh with the fixed racks on the upper and lower sides of the inside of the fixed frame.

[0011] The technical effects and advantages of the present application are as follows:

[0012] 1. The first magnet and the second magnet are magnetically attracted, the pressing frame is folded on the top of the fixed plate, the pressing frame presses the canvas on the top of the fixed plate, the fixation of the canvas on the top of the fixed plate is completed, the canvas is prevented from being affected by hot air and being folded at the corners, the drying effect of the canvas is improved, the fixation is convenient and fast, and the drying efficiency of the drying device is improved.

[0013] 2. The rotating motor controls the rotation of the half gear, the half gear and the fixed racks at the upper and lower ends of the fixed frame interact, the fixed frame swings left and right, the fixed block is connected, the fixed plate moves left and right on the inner bottom surface of the supporting base, the canvas on the top of the fixed plate swings left and right below the heating pipe, the two sides of the canvas can also be dried, the canvas is dried more evenly, and the drying effect of the canvas is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the present application;

[0015] Figure 2 It is a drying box structure schematic view of the present application;

[0016] Figure 3 It is a drying box sectional view of the present application;

[0017] Figure 4 It is canvas fixing device top structure schematic view of the utility model.

[0018] Figure 5 It is canvas fixing device bottom structure schematic view of the utility model.

[0019] The drawing mark is: 1, drying box;2, canvas fixing device;11, support base;12, box;13, switch door;14, exhaust port;15, air inlet;16, filter screen;17, fan assembly;18, heating pipe;19, fixed track;110, sliding groove;111, movable cavity;21, fixed plate;22, pressing frame;23, first magnet;24, second magnet;25, limiting strip;26, fixed block;27, fixed frame;28, fixed rack;29, rotating motor;210, half gear. DETAILED DESCRIPTION

[0020] In order to make the technical problems, technical scheme and advantages of the utility model more clear, the following will be described in detail in combination with drawings and specific embodiments.

[0021] As shown in the accompanying Figure 1 To the accompanying Figure 5 Embodiments of the utility model provide a drying device for light box canvas production, including drying box 1, the inside movable mounting of drying box 1 has canvas fixing device 2;

[0022] As shown in the accompanying Figure 2 And Figure 3 As shown in the accompanying, drying box 1 includes support base 11, the top fixed mounting of support base 11 has box 12, the one side of box 12 is provided with switch door 13, both ends of the inner bottom surface of box 12 are fixedly connected with fixed track 19, the top of box 12 is fixedly installed with air inlet 15, the top of air inlet 15 is fixedly connected with filter screen 16, the inside of air inlet 15 is fixedly connected with fan assembly 17, the lower end in the inside of air inlet 15 is fixedly connected with heating pipe 18, both sides of the lower end of box 12 are provided with exhaust port 14.

[0023] By switch door 13, box 12 forms relatively closed environment, by fan assembly 17, the air outside box 12 is heated by heating pipe 18, forms hot air, and is sent into the inside of box 12, is discharged by exhaust port 14, realizes the hot air drying of canvas in the inside of box 12.

[0024] Among them, the both sides of the inner bottom surface of box 12 are fixedly installed with fixed track 19, the bottom of box 12 is provided with sliding groove 110, the inside of the upper end of support base 11 is provided with movable cavity 111, sliding groove 110 is communicated with movable cavity 111.

[0025] AsFigure 4 As shown, the canvas fixing device 2 comprises a fixing plate 21, a first magnet 23 is embeddedly installed on one side of the top of the fixing plate 21, a pressing frame 22 is hingedly connected to the end of the fixing plate 21 away from the first magnet 23 through a rotating shaft, a second magnet 24 is fixedly installed inside the side of the pressing frame 22 away from the rotating shaft, and the first magnet 23 is magnetically connected with the second magnet 24.

[0026] By means of the magnetic attraction of the first magnet 23 and the second magnet 24, the pressing frame 22 is folded on the top of the fixing plate 21, the pressing frame 22 presses the canvas on the top of the fixing plate 21, the fixing of the canvas on the top of the fixing plate 21 is completed, the canvas is prevented from being affected by hot air and being folded at the corners, and the drying effect of the canvas is improved.

[0027] As shown, Figure 5 The bottom of the fixing plate 21 is fixedly provided with a limiting strip 25, the bottom of the fixing plate 21 is fixedly provided with a fixing block 26, the bottom of the fixing block 26 is fixedly provided with a fixing frame 27, the upper and lower sides of the inside of the fixing frame 27 are fixedly provided with a fixed rack 28, the limiting strip 25 is slidingly installed on the top of the fixed track 19, the fixing block 26 is slidingly installed in the sliding groove 110, and the fixing frame 27 is movably installed in the movable cavity 111.

[0028] The upper end of the supporting base 11 is fixedly provided with a rotating motor 29, one side of the rotating motor 29 is fixedly provided with a half gear 210, the half gear 210 is rotatably installed in the movable cavity 111, and the half gear 210 is meshed with the fixed rack 28 on the upper and lower sides of the inside of the fixing frame 27.

[0029] Since the half gear 210 is provided with teeth on only one half, when the teeth of the half gear 210 rotate to the fixed rack 28 on the top of the fixing frame 27, the fixing frame 27 is moved to one side due to the influence of the half gear 210, and when the teeth of the half gear 210 rotate to the fixed rack 28 on the bottom of the fixing frame 27, the fixing frame 27 is moved to the other side, and through the swinging of the fixing frame 27 and the connection of the fixing block 26, the fixing plate 21 is moved left and right on the bottom surface of the supporting base 11.

[0030] The working process of the utility model is as follows:

[0031] In use, the light box canvas is laid on the top of the fixing plate 21, the pressing frame 22 is rotated to be folded on the top of the fixing plate 21, the first magnet 23 and the second magnet 24 are magnetically attracted to each other, the pressing frame 22 presses the canvas on the top of the fixing plate 21, and the fixing of the canvas on the top of the fixing plate 21 is completed;

[0032] The air outside the box 12 is heated by the fan assembly 17, the heating pipe 18, and the hot air is sent into the box 12 and discharged through the air outlet 14, so that the canvas inside the box 12 is dried by the hot air;

[0033] During the process, the rotating motor 29 works to control the half gear 210 to rotate, and since the half gear 210 is provided with teeth only on one half, when the teeth of the half gear 210 rotate to the fixed rack 28 at the top of the fixed frame 27, the fixed frame 27 is affected by the half gear 210, so that the fixed frame 27 moves to one side, and when the teeth of the half gear 210 rotate to the fixed rack 28 at the bottom of the fixed frame 27, the fixed frame 27 moves to the other side, and through the left and right swinging of the fixed frame 27 and the connection of the fixed block 26, the fixed plate 21 moves left and right on the inner bottom surface of the support base 11, so that the canvas on the top of the fixed plate 21 swings left and right below the heating pipe 18, so that the two side edges of the canvas can also be dried, and the canvas is dried more uniformly.

[0034] Finally, it should be pointed out that: the utility model discloses the embodiment attached drawing only relates to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of no conflict, the same embodiment and different embodiments of the utility model can be combined with each other;

[0035] The above only describes the preferred embodiments of the utility model, and is not used for limiting the utility model, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A drying device for producing lightbox canvases, comprising a drying oven (1), characterized in that, The drying oven (1) is equipped with a canvas fixing device (2) inside; The drying oven (1) includes a support base (11), a box body (12) is fixedly installed on the top of the support base (11), a switch door (13) is provided on one side of the box body (12), fixed rails (19) are fixedly connected to both ends of the bottom surface inside the box body (12), an air inlet (15) is fixedly installed on the top of the box body (12), a filter screen (16) is fixedly connected to the top of the air inlet (15), a fan assembly (17) is fixedly connected inside the air inlet (15), a heating tube (18) is fixedly connected to the lower end inside the air inlet (15), and exhaust vents (14) are provided on both sides of the lower end of the box body (12).

2. The drying device for producing lightbox canvases according to claim 1, characterized in that, Fixed rails (19) are fixedly installed on both sides of the bottom surface of the box (12). A sliding groove (110) is provided at the bottom of the box (12). An active cavity (111) is provided inside the upper end of the support base (11). The sliding groove (110) is connected to the active cavity (111).

3. The drying device for producing lightbox canvases according to claim 2, characterized in that, The canvas fixing device (2) includes a fixing plate (21). A first magnet (23) is embedded in one side of the top of the fixing plate (21). A pressing frame (22) is hinged to the end of the fixing plate (21) away from the first magnet (23) through a pivot. A second magnet (24) is fixedly installed inside the pressing frame (22) away from the pivot. The first magnet (23) and the second magnet (24) are magnetically connected.

4. The drying device for producing lightbox canvases according to claim 3, characterized in that, Limiting strips (25) are fixedly installed on both sides of the bottom of the fixed plate (21). A fixing block (26) is fixedly installed on the bottom of the fixed plate (21). A fixing frame (27) is fixedly installed on the bottom of the fixing block (26). Fixing racks (28) are fixedly installed on both the upper and lower sides inside the fixing frame (27). The limiting strips (25) are slidably installed on the top of the fixed track (19). The fixing block (26) is slidably installed inside the sliding groove (110). The fixing frame (27) is movably installed inside the movable cavity (111).

5. A drying device for producing lightbox canvases according to claim 4, characterized in that, A rotating motor (29) is fixedly installed on the upper end of the support base (11). A half gear (210) is fixedly installed on one side of the rotating motor (29). The half gear (210) is rotatably installed inside the movable cavity (111), and the half gear (210) meshes with the fixed racks (28) on the upper and lower sides of the fixed frame (27).