Scraper device for surface coating of thermo-sensitive paper

By designing an adjustable thermal paper surface coating scraper device, the problem of uneven dyes and inability to adapt to different sizes of thermal paper in the prior art is solved, and efficient and uniform coating effects and effective utilization of resources are achieved.

CN222948727UActive Publication Date: 2025-06-06JIANGSU JINDA PACKAGING MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202421714588.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-19
Publication Date
2025-06-06
Estimated Expiration
2034-07-19

AI Technical Summary

Technical Problem

The existing thermal paper surface coating scraper devices are prone to inhomogeneous dyes during the scraping process and cannot adapt to different sizes of thermal paper, resulting in inefficiency and waste of resources.

Method used

A scraper device including a base, conveying assembly, pressing roller assembly, scraper assembly, dye assembly and moving assembly is designed. Through adjustable dye assembly and scraper assembly, it can adapt to different sizes of thermal paper and adjust the range and quantity of dye discharge through cylinder and motor drive.

Benefits of technology

The adaptation of thermal sensitive papers of different sizes is achieved, reducing resource waste, and improving coating uniformity and working efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a scraper device for surface coating of thermo-sensitive paper, which comprises a base, a conveying component, a compression roller component, a scraper component, a dye component and a moving component, the conveying component is arranged above the base, the compression roller component is arranged above the base, the scraper component is arranged above the base, and the dye component is arranged above the scraper component. The dye assembly is arranged on one side of the scraper assembly, the moving assembly is arranged above the dye assembly, a left telescopic plate is arranged, a groove allowing a right telescopic plate to stretch out and draw back is formed in the left telescopic plate, and when the moving assembly works, the left telescopic plate and the right telescopic plate are driven to synchronously and reversely move; according to the device, the dye discharging range is adjusted through stretching and retracting, thermal sensitive paper of different sizes is matched, a third air cylinder is arranged, the third air cylinder pushes a baffle to move on one side of a side plate, the dye discharging amount is adjusted, resource waste is reduced, and the problems that current blade coating is not uniform, and adjustment is difficult are solved.
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Description

Technical Field

[0001] The utility model belongs to the technical direction of thermal paper coating, and specifically relates to a scraper device used for thermal paper surface coating. Background Art

[0002] With the continuous advancement of technology, more and more papers are appearing in front of the public. Thermal paper is also called thermal fax paper, thermal recording paper, thermal copy paper, and in Taiwan, it is called thermal carbon paper. Thermal paper is a kind of processed paper. Its manufacturing principle is to coat a layer of "thermal coating" (thermal color-changing layer) on high-quality base paper. Although there are more than a dozen chemicals used in this color-changing layer, there are at least the following compounds: colorless dyes, which have a wide variety of varieties, and the most commonly used are fluorescent compounds.

[0003] The existing scraper device for the surface coating of thermal paper usually uses a scraper to scrape the dye on the thermal paper, which causes excessive adhesion of the dye coating on the dye roller, and uneven scraping of the thermal paper during the scraping process. When scraping thermal papers of different sizes, the spacing of the dye device cannot be adjusted due to the integrated structure of the scraper device and the dye device. The device needs to be dismantled and replaced with a suitable tool before it can work, which is inefficient and easily causes waste of resources. This phenomenon has become a problem that people in this field need to solve urgently. Utility Model Content

[0004] The utility model aims to provide a scraper device for thermal paper surface coating in view of the existing device, so as to solve the problems raised in the above background technology.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: a scraper device for surface coating of thermal paper, comprising a base, a conveying assembly, a pressure roller assembly, a scraper assembly, a dye assembly and a moving assembly, characterized in that: a conveying assembly is arranged above the base, the pressure roller assembly is arranged above the base, the scraper assembly is arranged above the base, the dye assembly is arranged on one side of the scraper assembly, and the moving assembly is arranged above the dye assembly.

[0006] The utility model further illustrates that the dye assembly includes a bottom plate, a left telescopic plate, a right telescopic plate, a side plate, a third cylinder, a baffle and a slider. The bottom plate is arranged on a mounting plate on a base, a slide groove is arranged above the bottom plate, a slider is slidably connected in the slide groove, a left telescopic plate is fixedly connected to the top of one group of sliders, a right telescopic plate is arranged above another group of sliders, a slot that matches the right telescopic plate is arranged on one side of the left telescopic plate, the left telescopic plate and the right telescopic plate are plug-connected, side plates are arranged at the upper edge positions of the left telescopic plate and the right telescopic plate, a moving assembly is arranged above the side plate, a third cylinder is arranged on one side of the side plate, a baffle is arranged on the output end of the third cylinder, the baffle is a telescopic plate, and the baffle is arranged on one side of the side plate.

[0007] The utility model further describes that the moving assembly includes a second fixed plate, a positive and negative threaded rod, a sliding rod and a third motor. The second fixed plate is arranged above the side plate. An opening is arranged on the second fixed plate. One group of openings is threadedly connected to the positive and negative threaded rods through threads, and the other group of openings is slidably connected with the sliding rod. The positive and negative threaded rods are driven by the third motor, and the third motor is arranged on one side of the mounting plate.

[0008] The utility model further illustrates that the pressure roller assembly includes a dye roller, a pressure roller, a collecting bin, a connecting plate, a second motor and a first cylinder; the dye roller is arranged below the scraper assembly; a pressure roller is arranged below the dye roller; a collecting bin is arranged below the pressure roller; the pressure roller is rotatably connected to the connecting plate via a rotating shaft; one side of the collecting bin is fixedly connected to the connecting plate; a first cylinder is arranged below the connecting plate; the tail end of the first cylinder is fixedly connected to the base; the output end of the first cylinder is fixedly connected to the connecting plate; the pressure roller is driven by the second motor; and the second motor is arranged on one side of the connecting plate.

[0009] The utility model further describes that the scraper assembly includes a first fixed plate, a second cylinder, a connecting piece and a scraper. The first fixed plate is arranged on a mounting plate, a second cylinder is arranged above the first fixed plate, an output end of the second cylinder is fixedly connected to the connecting piece, an opening for the movement of the output end of the second cylinder is arranged on the first fixed plate, a groove is arranged below the connecting piece, and only the scraper is arranged in the groove and locked by bolts.

[0010] The utility model further illustrates that the conveying assembly includes a conveying roller and a first motor, the conveying roller is arranged on one side of the vertical plate, the conveying roller is driven by the first motor, and the first motor is arranged on one side of the vertical plate.

[0011] The utility model further describes that vertical plates are arranged at two edge positions above the base, a mounting plate is arranged on one side where two groups of vertical plates are close to each other, a conveying component is arranged on one side of the vertical plates, and a moving component is arranged on one side where two groups of mounting plates are close to each other.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0013] (1) A left telescopic plate is provided, and a groove for the right telescopic plate to be telescoped is provided on the left telescopic plate. When the moving component is working, the left telescopic plate and the right telescopic plate are driven to move in opposite directions synchronously, and the range of dye discharge is adjusted to adapt to thermal papers of different sizes. A third cylinder is provided, and the third cylinder pushes the baffle plate to move on one side of the side plate to adjust the amount of dye discharge, thereby reducing the waste of resources. A positive and negative threaded rod is provided, and a third motor drives the positive and negative thread to rotate. Because the second fixed plate is threadedly connected to the positive and negative threaded rod and is slidably connected to the sliding rod, the lower part of the second fixed plate is fixedly connected to the side plate, thereby driving the left telescopic plate and the right telescopic plate to move in opposite directions synchronously;

[0014] (2) A second cylinder is provided, and the scraper is driven to adjust up and down by telescopic movement of the second cylinder, so that the height of the dye roller is adapted to each other, so that the dye will not reach the thermal paper too much. The scraper is fixed to the connecting part by bolts, so that the scraper will not shift during operation. A first cylinder is provided, and the output end of the first cylinder is fixedly connected to the connecting plate, and a pressure roller is provided on one side of the connecting plate, so that the distance between the pressure roller and the dye roller can be adjusted to adapt to thermal papers of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the integrated structure of the dye assembly and the scraper assembly of the utility model;

[0019] Figure 4 This is a schematic diagram of the scraper assembly structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the disassembled structure of the dye assembly of the utility model;

[0021] In the figure: 1. base; 11. vertical plate; 12. mounting plate; 2. conveying assembly; 21. conveying roller; 22. first motor; 3. pressure roller assembly; 31. dye roller; 32. pressure roller; 33. collecting bin; 34. connecting plate; 35. second motor; 36. first cylinder; 4. scraper assembly; 41. first fixed plate; 42. second cylinder; 43. connecting piece; 44. scraper; 5. dye assembly; 51. bottom plate; 52. left telescopic plate; 53. right telescopic plate; 54. side plate; 55. third cylinder; 56. baffle; 57. slider; 6. moving assembly; 61. second fixed plate; 62. positive and negative threaded rod; 63. slide rod; 64. third motor. DETAILED DESCRIPTION

[0022] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-5 The utility model provides a technical solution: a scraper device for thermal paper surface coating, comprising a base 1, a conveying assembly 2, a pressure roller assembly 3, a scraper assembly 4, a dye assembly 5 and a moving assembly 6, characterized in that: the conveying assembly 2 is arranged above the base 1, the pressure roller assembly 3 is arranged above the base 1, the scraper assembly 4 is arranged above the base 1, the dye assembly 5 is arranged on one side of the scraper assembly 4, and the moving assembly 6 is arranged above the dye assembly 5;

[0024] The dye assembly 5 includes a bottom plate 51, a left telescopic plate 52, a right telescopic plate 53, a side plate 54, a third cylinder 55, a baffle plate 56 and a slider 57. The bottom plate 51 is arranged on the mounting plate 12 on the base 1. A slide groove is arranged above the bottom plate 51, and a slider 57 is slidably connected in the slide groove. The left telescopic plate 52 is fixedly connected to the top of one group of sliders 57, and the right telescopic plate 53 is arranged above the other group of sliders 57. A slot that is compatible with the right telescopic plate 53 is arranged on one side of the left telescopic plate 52. The left telescopic plate 52 and the right telescopic plate 53 are plug-connected. The left telescopic plate 52 and the right telescopic plate 53 are both arranged at the upper edge positions of the left telescopic plate 52 and the right telescopic plate 53. The moving component 6 is provided with a third cylinder 55 on one side of the side plate 54, and a baffle 56 is provided at the output end of the third cylinder 55. The baffle 56 is a telescopic plate, and the baffle 56 is provided on one side of the side plate 54. The left telescopic plate 52 is provided with a groove for the right telescopic plate 53 to be telescopic. When the moving component 6 is working, the left telescopic plate 52 and the right telescopic plate 53 are driven to move synchronously in opposite directions, and the range of dye discharge is adjusted to adapt to thermal papers of different sizes. The third cylinder 55 is provided, and the third cylinder 55 pushes the baffle 56 to move on one side of the side plate 54 to adjust the amount of dye discharge, thereby reducing the waste of resources.

[0025] The moving assembly 6 includes a second fixed plate 61, a positive and negative threaded rod 62, a sliding rod 63 and a third motor 64. The second fixed plate 61 is arranged above the side plate 54. An opening is arranged on the second fixed plate 61. One group of openings is threadedly connected with the positive and negative threaded rod 62 through threads, and another group of openings is slidably connected with the sliding rod 63. The positive and negative threaded rod 62 is driven by the third motor 64. The third motor 64 is arranged on one side of the mounting plate 12. By providing the positive and negative threaded rod 62, the third motor 64 drives the positive and negative thread 62 to rotate. Because the second fixed plate 61 is threadedly connected with the positive and negative threaded rod 62 and slidably connected with the sliding rod 63, and because the lower part of the second fixed plate 61 is fixedly connected with the side plate 54, the left telescopic plate 52 and the right telescopic plate 53 are driven to move in opposite directions synchronously.

[0026] The pressure roller assembly 3 includes a dye roller 31, a pressure roller 32, a collecting bin 33, a connecting plate 34, a second motor 35 and a first cylinder 36. The dye roller 31 is arranged below the scraper assembly 4. The pressure roller 32 is arranged below the dye roller 31. The collecting bin 33 is arranged below the pressure roller 32. The pressure roller 32 is rotatably connected to the connecting plate 34 through a rotating shaft. One side of the collecting bin 33 is fixedly connected to the connecting plate 34. A first cylinder 36 is arranged below the connecting plate 34. The tail end of the first cylinder 36 is fixedly connected to the base 1. The output end of the first cylinder 36 is fixedly connected to the connecting plate 34. The pressure roller 32 is driven by the second motor 35. The second motor 35 is arranged on one side of the connecting plate 34. By arranging the first cylinder 36, the output end of the first cylinder 36 is fixedly connected to the connecting plate 34. The pressure roller 32 is arranged on one side of the connecting plate 34, so that the spacing between the pressure roller 32 and the dye roller 31 is adjusted to adapt to thermal papers of different thicknesses.

[0027] The scraper assembly 4 includes a first fixed plate 41, a second cylinder 42, a connecting piece 43 and a scraper 44. The first fixed plate 41 is arranged on the mounting plate 12. The second cylinder 42 is arranged above the first fixed plate 41. The output end of the second cylinder 42 is fixedly connected to the connecting piece 43. The first fixed plate 41 is provided with an opening for the output end of the second cylinder 42 to move. A groove is arranged below the connecting piece 43. Only the scraper 44 is arranged in the groove and locked by bolts. The second cylinder 42 is arranged, and the scraper 44 is driven to adjust up and down by the telescopic movement of the second cylinder 42, so as to adapt the height of the dye roller 31 to each other, so that the dye will not reach the thermal paper too much. The scraper 44 is fixed to the connecting piece 43 by bolts, so that the scraper 44 will not deviate during operation.

[0028] The conveying assembly 2 includes a conveying roller 21 and a first motor 22. The conveying roller 21 is arranged on one side of the vertical plate 11. The conveying roller 21 is driven by the first motor 22. The first motor 22 is arranged on one side of the vertical plate 11. The vertical plates 11 are arranged at two edge positions above the base 1. The side where the two groups of vertical plates 11 are close to each other is provided with a mounting plate 12. The conveying assembly 2 is arranged on one side of the vertical plate 11. The moving assembly 6 is arranged on the side where the two groups of mounting plates 12 are close to each other.

[0029] When the user is using it, the first motor 22 drives the conveying roller to rotate to convey the thermal paper. According to the length and thickness of the thermal paper, the first cylinder 36 pushes the connecting plate 34 to drive the pressure roller 32 to perform telescopic movement to adjust the distance between the pressure roller 32 and the dye roller 31. The third motor 64 drives the positive and negative threaded rod 62 to rotate and drive the left telescopic plate 52 and the right telescopic plate 53 to move in the opposite direction to adjust the range of the discharge. The third cylinder 55 pushes the baffle 56 to extend and retract to adjust the amount of the discharge. Then, the second cylinder drives the scraper to perform telescopic movement to adjust the distance between the scraper and the dye roller 31, and the dye on the dye roller 31 is scraped off so that the dye can be evenly applied to the thermal paper.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0031] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A scraper device for coating the surface of thermal paper, comprising a base (1), a conveying assembly (2), a pressure roller assembly (3), a scraper assembly (4), a dye assembly (5) and a moving assembly (6), characterized in that: A conveying assembly (2) is arranged above the base (1), the pressure roller assembly (3) is arranged above the base (1), the scraper assembly (4) is arranged above the base (1), the dye assembly (5) is arranged on one side of the scraper assembly (4), and the moving assembly (6) is arranged above the dye assembly (5).

2. A scraper device for thermal paper surface coating according to claim 1, characterized in that: The dye assembly (5) comprises a bottom plate (51), a left telescopic plate (52), a right telescopic plate (53), a side plate (54), a third cylinder (55), a baffle (56) and a slider (57). The bottom plate (51) is arranged on a mounting plate (12) on a base (1). A slide groove is arranged above the bottom plate (51), and a slider (57) is slidably connected in the slide groove. The left telescopic plate (52) is fixedly connected to the top of one group of the sliders (57), and the right telescopic plate (53) is arranged above the other group of the sliders (57). The left telescopic plate (52) A slot that is adapted to the right telescopic plate (53) is provided on one side of the left telescopic plate (52), the left telescopic plate (52) and the right telescopic plate (53) are plug-connected, side plates (54) are provided at the upper edge positions of the left telescopic plate (52) and the right telescopic plate (53), a moving component (6) is provided above the side plate (54), a third cylinder (55) is provided on one side of the side plate (54), a baffle (56) is provided at the output end of the third cylinder (55), the baffle (56) is a telescopic plate, and the baffle (56) is provided on one side of the side plate (54).

3. A scraper device for thermal paper surface coating according to claim 2, characterized in that: The moving assembly (6) comprises a second fixed plate (61), a positive and negative threaded rod (62), a sliding rod (63) and a third motor (64); the second fixed plate (61) is arranged above the side plate (54); an opening is arranged on the second fixed plate (61); a group of openings are threadedly connected to the positive and negative threaded rod (62) through threads; another group of openings are slidably connected to the sliding rod (63); the positive and negative threaded rod (62) is driven by the third motor (64); and the third motor (64) is arranged on one side of the mounting plate (12).

4. The scraper device for thermal paper surface coating according to claim 1, characterized in that: The pressure roller assembly (3) comprises a dye roller (31), a pressure roller (32), a collecting bin (33), a connecting plate (34), a second motor (35) and a first cylinder (36); the dye roller (31) is arranged below the scraper assembly (4); a pressure roller (32) is arranged below the dye roller (31); a collecting bin (33) is arranged below the pressure roller (32); the pressure roller (32) is rotatably connected to the connecting plate (34) via a rotating shaft; one side of the collecting bin (33) is fixedly connected to the connecting plate (34); a first cylinder (36) is arranged below the connecting plate (34); the tail end of the first cylinder (36) is fixedly connected to the base (1); the output end of the first cylinder (36) is fixedly connected to the connecting plate (34); the pressure roller (32) is driven by the second motor (35); and the second motor (35) is arranged on one side of the connecting plate (34).

5. The scraper device for thermal paper surface coating according to claim 4, characterized in that: The scraper assembly (4) comprises a first fixed plate (41), a second cylinder (42), a connecting piece (43) and a scraper (44); the first fixed plate (41) is arranged on the mounting plate (12); the second cylinder (42) is arranged above the first fixed plate (41); the output end of the second cylinder (42) is fixedly connected to the connecting piece (43); the first fixed plate (41) is provided with an opening for the output end of the second cylinder (42) to move; a groove is provided below the connecting piece (43); only the scraper (44) is arranged in the groove and is locked by a bolt.

6. A scraper device for thermal paper surface coating according to claim 5, characterized in that: The conveying assembly (2) comprises a conveying roller (21) and a first motor (22); the conveying roller (21) is arranged on one side of the vertical plate (11); the conveying roller (21) is driven by the first motor (22); and the first motor (22) is arranged on one side of the vertical plate (11).

7. The scraper device for thermal paper surface coating according to claim 5, characterized in that: Vertical plates (11) are arranged at two edge positions above the base (1); a mounting plate (12) is arranged on one side where two groups of the vertical plates (11) are close to each other; a conveying assembly (2) is arranged on one side of the vertical plates (11); and a moving assembly (6) is arranged on one side where the two groups of the mounting plates (12) are close to each other.