A printing roller for a cigarette packing machine
Patent Information
- Application Number
- CN202521851969.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-29
- Publication Date
- 2026-10-13
- Estimated Expiration
- 2035-08-29
AI Technical Summary
当打印辊表面出现压痕、凹坑时,钢号打印质量不佳,需要更换打印辊,拆卸维修费时费力
[0015]本实用新型提供一种卷烟包装机打印辊,通过紧定螺钉紧定压条,使打印辊固定在齿轮轴上,在打印辊表面出现压痕凹坑时,通过转动打印辊变换位置使用新的工作表面,避免了钢号打印质量不佳,从而减少设备故障维修时长;能够实现打印辊位置的变换,延长打印辊的使用周期,提高了有效作业率。
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Figure CN224847737U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cigarette packaging equipment technology, and more specifically, to a printing roller for a cigarette packaging machine. Background Technology
[0002] The bottom of the cigarette packaging box needs to be printed with a serial number. When the label paper is fed to the printing roller, it works with the printing roller to complete the serial number printing. The printing roller is fixedly mounted on the shaft by a key and a retaining ring, and the power is transmitted by a gear at the end of the shaft. When indentations or pits appear on the surface of the printing roller, the serial number printing quality is poor, and the printing roller needs to be replaced. Disassembly and repair are time-consuming and labor-intensive.
[0003] Therefore, there is an urgent need for a printing roller for cigarette packaging machines. Utility Model Content
[0004] The purpose of this invention is to provide a printing roller for a cigarette packaging machine to solve the problems in the prior art, enabling the printing roller to change position, extending the service life of the printing roller, and improving the effective operating rate.
[0005] This utility model provides a printing roller for a cigarette packaging machine, comprising: a printing roller sleeved on a gear shaft, wherein a pressure strip is axially embedded in the printing roller at the position in contact with the gear shaft, and a plurality of set screws extending inward from the outer circumference of the printing roller to contact the pressure strip for fastening the pressure strip are provided inside the printing roller.
[0006] In the cigarette packaging machine printing roller described above, preferably, the length of the pressure strip is the same as the length of the printing roller.
[0007] In the cigarette packaging machine printing roller described above, preferably, the two sides and the top surface of the pressure strip are flat, the bottom surface of the pressure strip is an arc surface that matches the gear shaft, the arc surface contacts the gear shaft, and the top surface of the pressure strip contacts each of the set screws.
[0008] The cigarette packaging machine printing roller described above, preferably, includes a central hole axially formed at the center of the printing roller, and the printing roller is mounted on the gear shaft through the central hole.
[0009] In the cigarette packaging machine printing roller described above, preferably, a keyway is provided axially at the position where the printing roller contacts the central hole, and the pressure strip is disposed in the keyway.
[0010] In the cigarette packaging machine printing roller described above, preferably, a plurality of screw holes are provided inside the printing roller at positions corresponding to the keyway, extending inward from the outer circumference of the printing roller to the keyway, and each set screw tightens the pressure strip through the corresponding screw hole.
[0011] In the cigarette packaging machine printing roller described above, preferably, a preset gap is provided between the top surface of the pressure strip and the bottom surface of the keyway.
[0012] In the cigarette packaging machine printing roller described above, preferably, the preset gap includes 0.8mm-1.2mm.
[0013] In the cigarette packaging machine printing roller described above, preferably, each of the set screws comprises an M4 socket head cap screw.
[0014] In the cigarette packaging machine printing roller described above, preferably, the number of set screws is two, and they are symmetrically distributed.
[0015] This utility model provides a printing roller for a cigarette packaging machine. By tightening the pressure bar with a set screw, the printing roller is fixed on the gear shaft. When indentations or pits appear on the surface of the printing roller, the printing roller can be rotated to change its position and use a new working surface, thus avoiding poor printing quality of steel grades and reducing equipment failure and maintenance time. It can realize the change of the position of the printing roller, extend the service life of the printing roller, and improve the effective operation rate. Attached Figure Description
[0016] To make the objectives, technical solutions, and advantages of this utility model clearer, the utility model will be further described below with reference to the accompanying drawings, wherein:
[0017] Figure 1 A schematic diagram of the printing roller embodiment of the cigarette packaging machine provided by this utility model from one perspective;
[0018] Figure 2 A schematic diagram of the printing roller embodiment of the cigarette packaging machine provided by this utility model from another perspective;
[0019] Figure 3 A schematic diagram of the pressure strip in an embodiment of the printing roller of the cigarette packaging machine provided by this utility model.
[0020] Explanation of reference numerals in the attached diagram: 1-printing roller, 11-keyway, 12-screw hole, 13-center hole, 2-pressure strip, 3-set screw. Detailed Implementation
[0021] Various exemplary embodiments of the present disclosure will now be described in detail with reference to the accompanying drawings. The descriptions of the exemplary embodiments are merely illustrative and are in no way intended to limit the present disclosure or its application or use. The present disclosure may be implemented in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that the present disclosure will be thorough and complete, and will fully express the scope of the disclosure to those skilled in the art. It should be noted that, unless specifically stated otherwise, the relative arrangement of components and steps, the composition of materials, numerical expressions, and values set forth in these embodiments should be interpreted as exemplary only and not as limiting.
[0022] The terms “first,” “second,” and similar terms used in this disclosure do not indicate any order, quantity, or importance, but are merely used to distinguish different parts. Terms such as “including” or “contains” mean that the element preceding the term encompasses the element listed after it, and do not exclude the possibility of encompassing other elements as well. Terms such as “above” and “below” are used only to indicate relative positional relationships; when the absolute position of the described object changes, this relative positional relationship may also change accordingly.
[0023] In this disclosure, when a specific component is described as being located between a first component and a second component, an intermediary component may or may not be present between the specific component and the first or second component. When a specific component is described as connecting to other components, the specific component may be directly connected to the other components without having an intermediary component, or it may not be directly connected to the other components but may have an intermediary component.
[0024] All terms used in this disclosure (including technical or scientific terms) have the same meaning as understood by one of ordinary skill in the art to which this disclosure pertains, unless otherwise specifically defined. It should also be understood that terms defined in a general dictionary, such as a dictionary, should be interpreted as having a meaning consistent with their meaning in the context of the relevant art, and not as having an idealized or highly formalized meaning, unless expressly defined herein.
[0025] Techniques, methods, and equipment known to those skilled in the art may not be discussed in detail, but where appropriate, they should be considered part of the specification.
[0026] like Figures 1-3 As shown, the printing roller of the cigarette packaging machine provided in this embodiment includes: a printing roller 1 sleeved on a gear shaft, a pressure strip 2 is axially embedded in the printing roller 1 at the position in contact with the gear shaft, and a plurality of set screws 3 are provided inside the printing roller 1 extending inward from the outer circumference of the printing roller 1 to contact the pressure strip 2 for tightening the pressure strip 2.
[0027] The printing roller 1 is cylindrical, and the length of the pressure strip 2 is the same as the length of the printing roller 1. Each of the set screws includes an M4 socket head cap screw. There are two set screws 3, which are symmetrically distributed. It should be noted that this utility model does not specifically limit the number and distribution of the set screws 3.
[0028] During operation, the printing roller 1 is fixed to the gear shaft by tightening the pressure strip 2 with the set screw 3. When a certain position on the working surface of the printing roller is pressed into an indentation by the steel stamp, the set screw 3 is loosened. The printing roller 1 can be rotated circumferentially on the gear shaft by rotating the printing roller 1. The new working surface of the printing roller 1 is used to adapt to the requirements of the steel stamp printing quality, avoiding poor steel stamp printing quality. This can greatly improve the utilization rate of the printing roller, extend the replacement cycle of the printing roller 1, and thus reduce the equipment failure maintenance time.
[0029] Furthermore, the two sides and the top surface of the pressure strip 2 are flat, the bottom surface of the pressure strip 2 is an arc surface that matches the gear shaft, the arc surface is in contact with the gear shaft, and the top surface of the pressure strip 2 is in contact with each of the set screws 3.
[0030] Furthermore, the printing roller 1 includes a central hole 13 axially formed at the center of the printing roller 1, and the printing roller 1 is mounted on the gear shaft through the central hole 13.
[0031] Furthermore, at the position where the printing roller 1 contacts the central hole 13, a keyway 11 is provided along the axial direction, and the pressure strip 2 is disposed in the keyway 11.
[0032] Furthermore, the printing roller 1 has a plurality of screw holes 12 extending from the outer circumference of the printing roller 1 inward to the keyway 11 at the corresponding positions, and each of the set screws 3 tightens the pressure strip 2 through the corresponding screw hole 12.
[0033] Furthermore, a preset gap is provided between the top surface of the pressure strip 2 and the bottom surface of the keyway 11. The preset gap includes 0.8mm-1.2mm, for example, 1mm. It should be noted that the present invention does not specifically limit the preset gap.
[0034] The printing roller of the cigarette packaging machine provided in this embodiment of the utility model is fixed on the gear shaft by tightening the pressure strip with a set screw. When indentations or pits appear on the surface of the printing roller, the printing roller can be rotated to change its position and use a new working surface, which avoids poor printing quality of steel grades, thereby reducing the time for equipment failure and maintenance. It can realize the change of the position of the printing roller, extend the service life of the printing roller, and improve the effective operation rate.
[0035] The embodiments of this disclosure have now been described in detail. To avoid obscuring the concept of this disclosure, some details known in the art have not been described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein based on the above description.
[0036] While specific embodiments of this disclosure have been described in detail by way of examples, those skilled in the art should understand that the examples are for illustrative purposes only and not intended to limit the scope of this disclosure. Those skilled in the art should understand that modifications can be made to the above embodiments or equivalent substitutions can be made to some technical features without departing from the scope and spirit of this disclosure. The scope of this disclosure is defined by the appended claims.
Claims
1. A printing roller for a cigarette packaging machine, characterized in that, include: A printing roller is sleeved on a gear shaft. A pressure strip is embedded axially inside the printing roller at the position where it contacts the gear shaft. A plurality of set screws are provided inside the printing roller, extending inward from the outer circumference of the printing roller to contact the pressure strip and for securing the pressure strip.
2. The printing roller of the cigarette packaging machine according to claim 1, characterized in that, The length of the pressure bar is the same as the length of the printing roller.
3. The printing roller of the cigarette packaging machine according to claim 1, characterized in that, The two sides and top surface of the pressure strip are flat, the bottom surface of the pressure strip is an arc surface that matches the gear shaft, the arc surface is in contact with the gear shaft, and the top surface of the pressure strip is in contact with each of the set screws.
4. The printing roller of the cigarette packaging machine according to claim 1, characterized in that, The printing roller includes a central hole opened axially at the center of the printing roller, and the printing roller is mounted on the gear shaft through the central hole.
5. The printing roller of the cigarette packaging machine according to claim 4, characterized in that, A keyway is provided axially at the position where the printing roller contacts the center hole, and the pressure strip is disposed in the keyway.
6. The printing roller of the cigarette packaging machine according to claim 5, characterized in that, The printing roller has multiple screw holes extending inward from its outer circumference to the keyway at the corresponding positions inside the roller. Each set screw tightens the pressure strip through the corresponding screw hole.
7. The printing roller of the cigarette packaging machine according to claim 5, characterized in that, A preset gap is provided between the top surface of the pressure strip and the bottom surface of the keyway.
8. The printing roller of the cigarette packaging machine according to claim 7, characterized in that, The preset gap includes 0.8mm-1.2mm.
9. The printing roller of the cigarette packaging machine according to claim 1, characterized in that, Each of the aforementioned set screws includes an M4 socket head cap screw.
10. The printing roller of the cigarette packaging machine according to claim 1, characterized in that, The set screws are two in number and are symmetrically distributed.