Printing roller convenient to replace
By designing a slot and block structure, combined with limiting components and springs, the printing roller can be easily replaced, solving the problem of cumbersome replacement process in traditional printing rollers, improving production efficiency and reducing material waste.
Patent Information
- Application Number
- CN202520435013.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-13
AI Technical Summary
The traditional printing roller replacement process is cumbersome, resulting in low production efficiency and serious material waste, which cannot meet the printing industry's demand for efficient and low-cost production.
The design employs a slot and block structure, combined with a limiting component and spring design, to achieve a detachable connection between the rotating shaft and the printing roller body. The limiting component simplifies the disassembly process and ensures that the rotating shaft can be reused.
It simplifies the printing roller replacement process, improves maintenance convenience, saves materials, and reduces labor and production costs.
Smart Images

Figure CN223720387U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to printing roller technical field especially, relates to a printing roller convenient to replace. BACKGROUND
[0002] In the printing industry, printing roller as key component, its performance and state play decisive role to printing quality. With the continuous development of printing technology and the increasing requirement of market to printing quality, the replacement and maintenance of printing roller become the important link in printing production process.
[0003] At present, the traditional printing roller has many drawbacks when replacing. The common printing roller and the connecting mode of the rotating shaft are mostly integrally formed or adopt complicated fixed structure, for example, welding, riveting etc. This connecting mode makes the printing roller extremely tedious when appearing wear and tear, damage or needing to replace different specifications printing roller. The maintenance personnel need to use various professional tools, spend a lot of time and effort to detach the printing roller from the equipment, which not only reduces the production efficiency, but also increases the labor cost.
[0004] Moreover, due to the limitation of traditional connecting mode, when replacing the printing roller, the rotating shaft often needs to be replaced together. Even if the rotating shaft itself is not damaged, only the printing roller is problematic, it also has to be discarded as a whole, causing great waste of materials and further increasing the production cost.
[0005] In summary, the existing printing roller has problems, and a new printing roller convenient to replace is urgently needed to solve these problems to meet the needs of efficient and low-cost production in the printing industry. UTILITY MODEL CONTENT
[0006] The utility model aims at solving the shortcomings in the prior art and provides a printing roller convenient to replace.
[0007] In order to achieve the above object, the utility model adopts the following technical scheme:
[0008] A printing roller convenient to replace, including printing roller body, rotating shaft, the both ends of printing roller body are equipped with the clamping slot, the rotating shaft is the hollow structure of one end open, the inside of rotating shaft is equipped with the sliding block of sleeve joint, one end of sliding block is equipped with the clamping block of matching with the clamping slot on printing roller body, the side of rotating shaft is equipped with the second sliding hole, the side of sliding block is equipped with the knob of installation, the knob is installed in the second sliding hole slidingly, the rotating shaft is installed for the limiting assembly of limiting the knob sliding.
[0009] Preferably, the spring is connected between the inside of the rotating shaft and the sliding block.
[0010] Preferably, the inside of the rotating shaft is fixed with a sliding rod, and the first sliding hole is formed in the clamping block.
[0011] Preferably, the limiting assembly comprises a positioning block and a screw, the positioning block is fixed on the sliding block, and the positioning block and the rotating shaft are connected through the screw.
[0012] Preferably, the cross sections of the clamping groove and the clamping block are rectangular.
[0013] Compared with the prior art, the printing roller has the advantages that:
[0014] 1. In the printing roller, the rotating shaft is installed on the bearing seat through the bearing, the clamping block is clamped in the clamping groove, and then the limiting assembly is used to limit the sliding block, so that the clamping block can be prevented from sliding in the rotating shaft, the clamping block can be stably inserted into the printing roller body, and the connection between the rotating shaft and the printing roller body is achieved.
[0015] 2. In the printing roller, when the printing roller body needs to be replaced, the limiting assembly is first released, then the sliding block is pulled to slide in the second sliding hole, the clamping block can be pulled out of the clamping groove on the printing roller body at this time, and the printing roller body can be disassembled, so that the printing roller body is very simple to replace, the disassembly and assembly are simple, the convenience of maintenance is improved, the rotating shaft does not need to be replaced, the rotating shaft can be repeatedly used, materials are saved, the sliding rod can slide in the first sliding hole, the stability of the clamping block in the rotating shaft is improved, and the spring can help the clamping block to be pushed out and clamped in the clamping groove. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 A structure diagram of the printing roller convenient to replace is provided in the printing roller.
[0017] Figure 2 A partial structure diagram of the printing roller is provided. Figure 1
[0018] Figure 3 A structure diagram of the clamping block of the printing roller convenient to replace is provided in the printing roller.
[0019] In the drawing: 1, printing roller body; 2, rotating shaft; 3, clamping block; 4, sliding block; 5, sliding block; 6, positioning block; 7, first sliding hole; 8, screw; 9, second sliding hole; 10, sliding rod; 11, spring. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the printing roller will be clearly and completely described below with reference to the drawings in the embodiments of the printing roller. Obviously, the described embodiments are only part of the embodiments of the printing roller, not all the embodiments.
[0021] Reference Figure 1 ,Figure 2 、 Figure 3 The utility model provides a replaceable printing roller, including printing roller body 1, pivot 2, pivot 2 is installed on the bearing seat through the bearing, and the both ends of printing roller body 1 are provided with clamping slot, and pivot 2 is hollow structure with one end open, sliding sleeve has slider 4 in the inside of pivot 2, and one end of slider 4 is fixed with the clamping block 3 matched with the clamping slot on printing roller body 1, and the cross section of clamping slot and clamping block 3 is rectangular, clamping block 3 is clamped in clamping slot, then the limiting assembly can be used to limit the shift block 5, so that the sliding of clamping block 3 in pivot 2 can be avoided, the stable insertion of clamping block 3 in printing roller body 1 is guaranteed, which realizes the connection of pivot 2 and printing roller body 1, when printing roller body 1 needs to be replaced, first, the limiting assembly is released, then the shift block 5 is pulled to slide in the second sliding hole 9, at this time, clamping block 3 can be pulled out from the clamping slot on printing roller body 1, so that printing roller body 1 can be disassembled, when printing roller body 1 is replaced, it is very simple to disassemble and assemble, the convenience of maintenance is improved, and pivot 2 does not need to be replaced, pivot 2 can be reused, materials are saved, the side of pivot 2 is provided with the second sliding hole 9, the side of slider 4 is fixed with the shift block 5, the shift block 5 is slidingly installed in the second sliding hole 9, the limiting assembly for limiting the sliding of shift block 5 is installed on pivot 2, the spring 11 is connected between the inside of pivot 2 and slider 4, the slide rod 10 is fixed in the inside of pivot 2, the first sliding hole 7 is formed in clamping block 3, the slide rod 10 is slidingly sleeved in the first sliding hole 7, the stability of the movement of clamping block 3 in pivot 2 can be improved by the sliding of slide rod 10 in the first sliding hole 7, and the spring 11 can help clamping block 3 to be ejected and clamped in the clamping slot.
[0022] Refer to Figure 2 、 Figure 3 The limiting assembly includes positioning block 6 and screw 8, the positioning block 6 is fixed on the shift block 5, and the positioning block 6 and pivot 2 are connected through the screw 8, the positioning block 6 is connected with pivot 2 through the screw 8, that is, the positioning block 6 is fixed, so the shift block 5 can be fixed.
[0023] Working principle: when using, the rotating shaft 2 is installed on the bearing seat through the bearing, the clamping block 3 is clamped in the clamping groove, then the limiting assembly can limit the shift block 5, so that the clamping block 3 can be prevented from sliding in the rotating shaft 2, the clamping block 3 can be stably inserted into the printing roller body 1, so that the connection between the rotating shaft 2 and the printing roller body 1 is realized, when the printing roller body 1 needs to be replaced, the limiting assembly is first released, then the shift block 5 is pulled to slide in the second sliding hole 9, at this time, the clamping block 3 can be pulled out from the clamping groove on the printing roller body 1, so that the printing roller body 1 can be disassembled, when the printing roller body 1 is replaced, it is very simple to disassemble and assemble, the maintenance convenience is improved, and the rotating shaft 2 does not need to be replaced, the rotating shaft 2 can be reused, material is saved; the sliding rod 10 slides in the first sliding hole 7, the stability of the clamping block 3 moving in the rotating shaft 2 can be improved, and the spring 11 can help the clamping block 3 to be pushed out and clamped in the clamping groove.
[0024] The action principle of the limiting assembly is that the positioning block 6 is connected with the rotating shaft 2 through the screw 8, that is, the positioning block 6 is fixed, so that the shift block 5 is fixed.
[0025] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the technical field according to the technical scheme and the application concept of the present application can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A printing roller which is easy to replace, comprising a printing roller body (1), a rotating shaft (2), characterized in that, Both ends of the printing roller body (1) are provided with clamping grooves, the rotating shaft (2) is a hollow structure with one end open, the sliding block (4) is slidably sleeved in the rotating shaft (2), one end of the sliding block (4) is fixedly provided with the clamping block (3) matched with the clamping grooves on the printing roller body (1), the side of the rotating shaft (2) is provided with the second sliding hole (9), the side of the sliding block (4) is fixedly provided with the push block (5), the push block (5) is slidably installed in the second sliding hole (9), and the rotating shaft (2) is provided with the limiting assembly for limiting the sliding of the push block (5).
2. A print roller for facilitating replacement according to claim 1, wherein, The spring (11) is connected between the inside of the rotating shaft (2) and the sliding block (4).
3. A print roller for facilitating replacement as claimed in claim 1, wherein, The sliding rod (10) is fixedly arranged in the rotating shaft (2), and the first sliding hole (7) is arranged on the clamping block (3).
4. A print roller for facilitating replacement according to claim 1, wherein, The limiting assembly comprises a positioning block (6) and a screw (8), the positioning block (6) is fixed on the push block (5), and the positioning block (6) and the rotating shaft (2) are connected through the screw (8).
5. A print roller for facilitating replacement as defined in claim 1, wherein, The cross sections of the clamping grooves and the clamping block (3) are rectangular.