A disposable paper cup production cup paper printing machine
By using a drive motor to drive a rotating rod in the printing press to adjust the angle and pressure of the doctor blade assembly, the problem of uneven ink distribution caused by the inflexible adjustment of the doctor blade is solved, thus improving printing accuracy and consistency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI YIBAILI ENVIRONMENTAL TECH CO LTD
- Filing Date
- 2025-08-15
- Publication Date
- 2026-07-07
AI Technical Summary
In existing printing presses, the doctor blades cannot flexibly adjust their angle and pressure according to printing needs, resulting in uneven ink coating and affecting printing accuracy.
A drive motor drives the rotating rod, which in turn rotates the connecting parts and the mounting plate, allowing the doctor blade to be precisely and conveniently adjusted in angle and pressure. By setting the doctor blade assembly on the side of the printing roller and the ink roller, precise control of the ink is achieved.
It improved the overall quality of cup paper printing, solved the problem of uneven ink distribution, and ensured printing accuracy and consistency.
Smart Images

Figure CN224465488U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cup paper printing technology, and in particular to a cup paper printing machine for disposable paper cup production. Background Technology
[0002] With the rapid development of the food packaging industry, disposable paper cups have been widely used in beverage sales and catering services due to their advantages such as being lightweight, hygienic, and low-cost. As the core raw material for disposable paper cups, the surface printing quality of the cup paper directly affects the aesthetic appearance, brand recognition, and market competitiveness of the paper cup. Therefore, the cup paper printing process plays a crucial role in the paper cup production process.
[0003] Currently, cup paper printing is mainly accomplished using cup paper printing presses, which transfer patterns or text through the cooperation of printing rollers and ink rollers. However, existing printing presses have some problems in actual operation. As a key component for controlling ink thickness and cleaning excess ink from the rollers, the doctor blade is mostly installed in a fixed form, making it difficult to flexibly adjust the angle and pressure according to printing needs. This can easily lead to uneven ink coating and affect printing accuracy. Utility Model Content
[0004] The purpose of this invention is to solve the problem in the existing technology where the doctor blade is difficult to adjust its angle and pressure flexibly according to printing needs, which easily leads to uneven ink coating and affects printing accuracy. The invention provides a disposable paper cup printing machine that uses a drive motor to drive a rotating rod to rotate, which in turn drives the connecting parts and mounting plate to rotate. This allows the mounting plate and the doctor blade on it to adjust their angle and apply pressure precisely and conveniently, solving the problem of uneven ink coating caused by the inflexible adjustment of traditional fixed doctor blades.
[0005] To achieve the above objectives, this utility model provides a cup paper printing machine for disposable paper cup production, including a frame on which a printing roller and a dipping roller are mounted. Both the printing roller and the dipping roller are provided with a scraper assembly on their sides. The scraper assembly includes a mounting plate on which a scraper is detachably connected. The mounting plate is connected to a rotating rod via a connector, and the rotating rod is connected to a drive motor.
[0006] As a further description of the above technical solution: the connecting member includes a first connecting rod and a second connecting rod. The bottom ends of both the first connecting rod and the second connecting rod are detachably connected to the mounting plate by bolts. A mounting cylinder is provided on one side of the first connecting rod and the second connecting rod. The mounting cylinder is sleeved on the rotating rod. A first limiting cylinder is provided on the side of the first connecting rod. A second limiting cylinder is provided on one side of the second connecting rod. A limiting rod is provided between the first limiting cylinder and the second limiting cylinder.
[0007] As a further description of the above technical solution: the ends of the first limiting cylinder and the second limiting cylinder that are far apart from each other are sealed, and the two ends of the limiting rod are respectively embedded in the first limiting cylinder and the second limiting cylinder.
[0008] As a further description of the above technical solution: the mounting plate is provided with a plurality of equally spaced mounting holes, and the scraper is provided with positioning holes that are adapted to the mounting holes.
[0009] As a further description of the above technical solution: a tensioning roller is provided on one side of the printing roller, and adjusting components are provided at both ends of the tensioning roller.
[0010] As a further description of the above technical solution: the adjusting component includes an adjusting frame, a slider is slidably connected inside the adjusting frame, the slider is connected to the tensioning roller through a bearing seat, and a threaded push rod is provided on one side of the slider.
[0011] As a further description of the above technical solution: a control box is provided on the side of the frame.
[0012] The above technical solution has the following advantages or beneficial effects:
[0013] This invention features a doctor blade assembly on the side of both the printing roller and the ink-dipping roller, enabling targeted ink control for each roller. The combined use of the dual doctor blade assemblies comprehensively improves the overall quality of cup paper printing. By driving the rotating rod with a drive motor, the connecting parts and mounting plate rotate, allowing the mounting plate and the doctor blades on it to precisely and conveniently adjust their angles and apply pressure, thus solving the problem of uneven ink distribution caused by the inflexible adjustment of traditional fixed doctor blades. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of a cup paper printing machine for disposable paper cup production in one embodiment of the present invention;
[0015] Figure 2 for Figure 1 Schematic diagram of the middle scraper assembly;
[0016] Figure 3 for Figure 2 Schematic diagram of the middle connector;
[0017] Figure 4 for Figure 2 Schematic diagram of the mounting plate in the middle;
[0018] Figure 5 for Figure 1 A magnified view of a portion of point A in the middle.
[0019] Legend:
[0020] 1. Frame; 2. Printing roller; 3. Dipping roller; 4. Squeegee assembly; 5. Tension roller; 6. Control box; 7. Adjusting component; 41. Mounting plate; 42. Squeegee; 43. Connecting component; 44. Rotating rod; 45. Drive motor; 411. Mounting hole; 421. Positioning hole; 431. First connecting rod; 432. Second connecting rod; 433. Mounting cylinder; 434. First limiting cylinder; 435. Second limiting cylinder; 436. Limiting rod; 71. Adjusting frame; 72. Slider; 73. Threaded push rod. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "connected," and "linked" 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.
[0023] like Figure 1-5 As shown, the present invention discloses a disposable paper cup printing machine, which includes a frame 1, on which a printing roller 2 and a dipping roller 3 are mounted. Both the printing roller 2 and the dipping roller 3 are provided with a scraper assembly 4 on their sides. The scraper assembly 4 includes a mounting plate 41, on which a scraper 42 is detachably connected. The mounting plate 41 is connected to a rotating rod 44 through a connector 43. The rotating rod 44 is connected to a drive motor 45.
[0024] In the technical solution of this utility model, a doctor blade assembly 4 is provided on the side of both the printing roller 2 and the dipping roller 3, which can perform targeted ink control on the two rollers respectively. For the dipping roller 2, the doctor blade can scrape off excess ink to ensure that the amount of ink it carries is moderate. For the printing roller 3, the doctor blade can ensure that the ink is evenly transferred to the cup paper, avoiding problems such as missing prints and ghosting. The combined use of the double doctor blade assembly 4 comprehensively improves the overall quality of cup paper printing. The drive motor 45 drives the rotating rod 44 to rotate, which drives the connecting piece 43 and the mounting plate 41 to rotate, so that the mounting plate 41 and the doctor blade 42 on it can accurately and conveniently adjust the angle and apply pressure, solving the problem of uneven ink caused by the inflexible adjustment of traditional fixed doctor blades.
[0025] The frame 1 has a control box 6 on its side; the push rod control box 6 facilitates the operator to centrally control and monitor the operating status of the equipment.
[0026] The connector 43 includes a first connecting rod 431 and a second connecting rod 432. The bottom ends of both the first connecting rod 431 and the second connecting rod 432 are detachably connected to the mounting plate 41 by bolts. A mounting cylinder 433 is provided on one side of the first connecting rod 431 and the second connecting rod 432. The mounting cylinder 433 is sleeved on the rotating rod 44. A first limiting cylinder 434 is provided on the side of the first connecting rod 431. A second limiting cylinder 435 is provided on one side of the second connecting rod 432. A limiting rod 436 is provided between the first limiting cylinder 434 and the second limiting cylinder 435. The ends of the first limiting cylinder 434 and the second limiting cylinder 435 that are far apart from each other are sealed. The two ends of the limiting rod 436 are respectively embedded in the first limiting cylinder 434 and the second limiting cylinder 435.
[0027] Specifically, when the drive motor 45 drives the mounting cylinder 433 to rotate via the rotating rod 44, the limiting rod 436 forces the two connecting rods to maintain a consistent angle change, avoiding problems such as doctor blade tilting or uneven force caused by asynchronous movement. This makes the pressure adjustment of the doctor blade 42 on the printing roller 2 and the dipping roller 3 more precise and controllable, ensuring the uniformity of ink coating thickness and further improving the clarity and consistency of the printed pattern.
[0028] The mounting cylinder 433 is fixed to the rotating rod 44 by bolts. After the bolts are removed, the mounting cylinder 433 can slide on the rotating rod 44 to adjust the distance between the first connecting rod 431 and the second connecting rod 432. Then, the corresponding length of the limiting rod 436 is installed to facilitate the connection of the connecting piece 43 to the mounting plate 41 of different specifications.
[0029] like Figure 1 and Figure 4 As shown, the mounting plate 41 has multiple equally spaced mounting holes 411, and the scraper 42 has positioning holes 421 that are compatible with the mounting holes 411. By fixing the positioning holes 421 on the scraper 42 to different mounting holes 411 with bolts, the position of the scraper 42 can be adjusted, which enhances the applicability of the scraper 42 and makes it easier to match printing rollers 2 and dipping rollers 3 of different specifications.
[0030] like Figure 1 and Figure 5As shown, a tensioning roller 5 is provided on one side of the printing roller 2, and adjusting components 7 are provided at both ends of the tensioning roller 5. The adjusting component 7 includes an adjusting frame 71, and a slider 72 is slidably connected inside the adjusting frame 71. The slider 72 is connected to the tensioning roller 5 through a bearing seat, and a threaded push rod 73 is provided on one side of the slider 72. Through the combination structure of the adjusting frame 71, slider 72 and threaded push rod 73 at both ends of the tensioning roller 5, the slider 72 slides in the adjusting frame 71. By rotating the threaded push rod 73, the position of the slider 72 can be precisely controlled, thereby realizing the precise adjustment of the tension of the tensioning roller 5. It can adapt to the needs of cup paper of different thicknesses and materials, ensure the tension of the cup paper is stable during the conveying process, reduce wrinkles and offset, avoid misalignment of printed patterns and misregistration, and also ensure the smoothness of the adjustment process, further improving the printing quality.
[0031] Working principle: Both the printing roller 2 and the dipping roller 3 are equipped with doctor blade assemblies 4 on their sides, which can control the ink of the two rollers separately. For the dipping roller 2, the doctor blade can scrape off excess ink to ensure that it carries an appropriate amount of ink. For the printing roller 3, the doctor blade can ensure that the ink is evenly transferred to the cup paper, avoiding problems such as missing prints and ghosting. The combined use of the dual doctor blade assemblies 44 comprehensively improves the overall quality of cup paper printing. The drive motor 45 drives the rotating rod 44 to rotate, which in turn drives the connecting piece 43 and the mounting plate 41 to rotate. This allows the mounting plate 41 and the doctor blade 42 on it to be adjusted precisely and conveniently to adjust the angle and apply pressure, solving the problem of uneven ink caused by the inflexible adjustment of traditional fixed doctor blades.
[0032] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.
[0033] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.
Claims
1. A cup paper printing machine for disposable paper cup production, characterized in that, Includes a frame (1), on which a printing roller (2) and a dipping roller (3) are mounted, and a scraper assembly (4) is provided on the side of both the printing roller (2) and the dipping roller (3); The scraper assembly (4) includes a mounting plate (41), on which a scraper (42) is detachably connected. The mounting plate (41) is connected to a rotating rod (44) via a connector (43), and the rotating rod (44) is connected to a drive motor (45).
2. The cup paper printing machine for disposable paper cup production according to claim 1, characterized in that: The connector (43) includes a first connecting rod (431) and a second connecting rod (432). The bottom ends of the first connecting rod (431) and the second connecting rod (432) are detachably connected to the mounting plate (41) by bolts. An mounting cylinder (433) is provided on one side of the first connecting rod (431) and the second connecting rod (432). The mounting cylinder (433) is sleeved on the rotating rod (44). A first limiting cylinder (434) is provided on the side of the first connecting rod (431), and a second limiting cylinder (435) is provided on one side of the second connecting rod (432). A limiting rod (436) is provided between the first limiting cylinder (434) and the second limiting cylinder (435).
3. The cup paper printing machine for disposable paper cup production according to claim 2, characterized in that: The ends of the first limiting cylinder (434) and the second limiting cylinder (435) that are far apart from each other are sealed, and the two ends of the limiting rod (436) are respectively embedded in the first limiting cylinder (434) and the second limiting cylinder (435).
4. The cup paper printing machine for disposable paper cup production according to claim 1, characterized in that: The mounting plate (41) has a plurality of equally spaced mounting holes (411), and the scraper (42) has positioning holes (421) that are adapted to the mounting holes (411).
5. The cup paper printing machine for disposable paper cup production according to claim 1, characterized in that: A tensioning roller (5) is provided on one side of the printing roller (2), and an adjusting element (7) is provided at both ends of the tensioning roller (5).
6. The cup paper printing machine for disposable paper cup production according to claim 5, characterized in that: The adjusting component (7) includes an adjusting frame (71), and a slider (72) is slidably connected inside the adjusting frame (71). The slider (72) is connected to the tension roller (5) through a bearing seat, and a threaded push rod (73) is provided on one side of the slider (72).
7. The cup paper printing machine for disposable paper cup production according to claim 1, characterized in that: A control box (6) is provided on the side of the frame (1).