Quick-change cross-cutting knife

CN224780733UActive Publication Date: 2026-09-22NANJING ZHENFENG MASCH&CUTTER CO LTD
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Patent Information

Application Number
CN202620000283.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2026-01-04
Publication Date
2026-09-22
Estimated Expiration
2036-01-04

AI Technical Summary

Technical Problem

[0005]本实用新型的目的在于提供一种可快速换刀的横切刀,以解决上述背景技术中提出的切刀在使用时不能够对其进行拆卸更换,从而无法对切刀进行更换,同时下端的输送板只能够在固定的位置使用,不能够适应不同的物料进行使用的问题

Benefits of technology

1、该可快速换刀的横切刀,本设置通过安装组件的设置能够较为快速的将驱动杆在两组安装侧板的内部进行移动,从而移动后能将驱动杆表面的切刀本体进行拆卸更换,体现了设计的实用性。

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Abstract

The utility model relates to the technical field of cross cutting knife, concretely is a kind of cross cutting knife of quick tool changing, including installation side plate, the top surface of installation side plate is equipped with top plate, installation side plate is provided with two groups, the front end of installation side plate is equipped with fixed ring, the inside of fixed ring is equipped with mounting bearing, the inside of mounting bearing is equipped with driving rod, the back of another installation side plate is equipped with mounting assembly.The utility model drives stable block to the back movement by cylinder body, then driving rod is moved to the back, then cutter body is rotated and detached from the outer surface of driving rod, so that the cutter body can be quickly replaced, the setting can be more quickly moved driving rod in the inside of two groups of installation side plate by the setting of mounting assembly, so that the cutter body on the surface of driving rod can be disassembled and replaced after moving.
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Description

Technical Field

[0001] This utility model relates to the field of cross-cutting blade technology, specifically a cross-cutting blade with quick blade changing capability. Background Technology

[0002] The main function of a cross-cutting machine is to cut paperboard of different specifications after trimming to a predetermined length and then convey it to subsequent equipment, which greatly improves work efficiency. It is widely used for cutting corrugated paperboard, honeycomb paperboard and ordinary paperboard. The blades of the cross-cutting machine are fixed on the blade holder, and the honeycomb paperboard is cut by the continuous up and down movement of the blade holder.

[0003] In response, existing technology patent publication number CN217195716U discloses a cross-cutting blade with a quick-change function, including a housing. A drive rod is rotatably connected to one side of the housing's interior, and multiple cutters are arranged on both sides of the outer wall of the drive rod. A second drive rod is rotatably connected to the other side of the housing's interior, and multiple cutters are arranged on both sides of the outer wall of the second drive rod. In this invention, motor two is first started, causing the first rotating rod to drive pulley one to rotate. Under the transmission of the connecting belt, pulley two rotates, which in turn causes rotating roller one and rotating roller two to drive the conveyor belt for transport.

[0004] However, in actual use, the cutter cannot be disassembled and replaced, making it impossible to change the cutter. At the same time, the lower conveyor plate can only be used in a fixed position and cannot be adapted to different materials. Therefore, improving and perfecting the above-mentioned problems has become an urgent issue to be addressed. Utility Model Content

[0005] The purpose of this invention is to provide a cross-cutting blade that can be quickly replaced, in order to solve the problems mentioned in the background art, such as the inability to disassemble and replace the blade during use, and the lower conveyor plate being limited to a fixed position and unable to adapt to different materials.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a cross-cutting blade with quick blade change, including a mounting side plate, a top plate mounted on the top surface of the mounting side plate, two sets of mounting side plates, a fixing ring mounted on the front end of the mounting side plate, a mounting bearing mounted inside the fixing ring, a drive rod mounted inside the mounting bearing, and a mounting assembly mounted on the back of the other set of mounting side plates. The mounting assembly includes a splined shaft that extends through the interior of another set of mounting side plates and is splinedly mounted to the drive rod.

[0007] Preferably, a drive motor is mounted on the back of the spline shaft, and a stabilizing block is fixedly connected to the back of the drive motor.

[0008] Preferably, a cylinder body is mounted on the back of the stabilizing block, and a support frame is fixedly connected to the back of the cylinder body. The support frame is mounted on the back of another set of mounting side plates.

[0009] Preferably, the outer surface of the drive rod is threaded with a cutter body, and the front end of the drive rod is installed inside the mounting bearing.

[0010] Preferably, both sets of mounting side plates have internal grooves, and movable blocks are installed inside the grooves.

[0011] Preferably, a support conveyor plate is installed on the outer surface of the movable block, a lead screw body is installed inside the movable block, and a motor is installed on the top surface of the lead screw body through the top surface of the top plate.

[0012] Preferably, a limiting plate is installed at the front end of the supporting conveyor plate, and a guide rod is inserted and installed inside the limiting plate.

[0013] Compared with the prior art, the beneficial effects of this utility model are: 1. This quick-change cross-cutting blade, through the installation components, allows for relatively quick movement of the drive rod within the two sets of mounting side plates. After movement, the cutter body on the surface of the drive rod can be disassembled and replaced, demonstrating the practicality of the design.

[0014] 2. This quick-change cross-cutting blade can limit the adjustment of the support conveyor plate through the limiting plate and guide rod. Therefore, by adjusting the height of the support conveyor plate, the distance between the support conveyor plate and the drive rod can be adjusted, thereby adapting to cross-cutting operations for materials of different sizes. Attached Figure Description

[0015] Figure 1 This is a three-dimensional schematic diagram of the structure of this utility model; Figure 2 This is a split diagram of the drive rod and support frame structure of this utility model; Figure 3 This is a three-dimensional front view of the back of the fixing ring structure of this utility model; Figure 4 This is a three-dimensional schematic diagram of the support frame and drive motor structure of this utility model; Figure 5 This is a three-dimensional schematic diagram of the supporting conveyor plate and lead screw body structure of this utility model.

[0016] In the diagram: 1. Side mounting plate; 2. Top plate; 3. Fixing ring; 4. Bearing mounting; 5. Drive rod; 6. Cutter body; 7. Splined shaft; 8. Drive motor; 9. Stabilizing block; 10. Cylinder body; 11. Support frame; 12. Motor mounting; 13. Lead screw body; 14. Movable block; 15. Support conveyor plate; 16. Limiting plate; 17. Guide rod; 18. Slide groove. Detailed Implementation

[0017] 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.

[0018] Please see Figures 1-5 One embodiment provided by this utility model: A cross-cutting blade with quick blade change is provided in this application. The drive motor 8, cylinder body 10, mounting motor 12 and support conveyor plate 15 used in this application are all products that can be directly purchased on the market. Their principles and connection methods are existing technologies known to those skilled in the art, so they will not be described in detail here. It includes a mounting side plate 1, a top plate 2 is mounted on the top surface of the mounting side plate 1, the mounting side plate 1 is provided in two sets, a fixing ring 3 is mounted on the front end of the mounting side plate 1, a mounting bearing 4 is mounted inside the fixing ring 3, a drive rod 5 is mounted inside the mounting bearing 4, and a mounting assembly is mounted on the back of the other set of mounting side plates 1. The mounting assembly includes a splined shaft 7, which passes through the interior of another set of mounting side plates 1 and is splinedly mounted to the drive rod 5. A drive motor 8 is mounted on the back of the splined shaft 7, and a stabilizing block 9 is fixedly connected to the back of the drive motor 8. A cylinder body 10 is mounted on the back of the stabilizing block 9, and a support frame 11 is fixedly connected to the back of the cylinder body 10. The support frame 11 is mounted on the back of the other set of mounting side plates 1. First, the drive rod 5 is installed through both sets of mounting side plates 1. Then, the front end of the drive rod 5 is installed inside the mounting bearing 4, and the cutter body 6 is threaded onto the outer surface of the drive rod 5. Then, the cylinder body 10 is started, which drives the stabilizing block 9 to move forward. Subsequently, the spline shaft 7 is installed on one end of the back of the drive rod 5, and a spline connection is made between the spline shaft 7 and the drive rod 5. Then, the cylinder body 10 stops moving, and the drive motor 8 starts to rotate, thereby driving the drive rod 5 to rotate. Through the drive rod 5 and the cutter body 6, the material can be cut horizontally. The overall operation is good. When the cutter body 6 needs to be replaced later, the cylinder body 10 drives the stabilizing block 9 to move to the back, and then the drive rod 5 moves to the back. Then, the cutter body 6 can be rotated from the outer surface of the drive rod 5 for disassembly. This allows for quick replacement of the cutter body 6. This setup allows the drive rod 5 to be moved relatively quickly inside the two sets of mounting side plates 1 through the installation components, and the cutter body 6 on the surface of the drive rod 5 can be disassembled and replaced after the movement.

[0019] The cutter body 6 is threaded onto the outer surface of the drive rod 5. The front end of the drive rod 5 is installed inside the mounting bearing 4. The cutter body 6 is threaded onto the outer surface of the drive rod 5, so that when the front end of the drive rod 5 is not inside the mounting bearing 4, the cutter body 6 can be unscrewed from the surface of the drive rod 5 for replacement.

[0020] Both sets of mounting side plates 1 have internal grooves 18, with movable blocks 14 installed inside the grooves 18. A support conveyor plate 15 is mounted on the outer surface of the movable block 14, and a lead screw body 13 is installed inside the movable block 14. A mounting motor 12 is mounted on the top surface of the lead screw body 13, penetrating the top surface of the top plate 2. A limit plate 16 is installed at the front end of the support conveyor plate 15, and a guide rod 17 is inserted inside the limit plate 16. The mounting motor 12 drives the lead screw body 13 to rotate. When the lead screw body 13 rotates, it drives the movable block 14 to move on the surface of the lead screw body 13, thereby adjusting the height of the support conveyor plate 15. The limit plate 16 and guide rod 17 limit the adjustment of the support conveyor plate 15. Therefore, this design, by adjusting the height of the support conveyor plate 15, can adjust the distance between the support conveyor plate 15 and the drive rod 5, thus adapting to cross-cutting operations of materials of different sizes. Working principle: When using this device, the operator first connects it to an external power source to provide power. The drive rod 5 is then installed through both sets of mounting side plates 1. The front end of the drive rod 5 is then installed inside the mounting bearing 4. Simultaneously, the cutter body 6 is threaded onto the outer surface of the drive rod 5. The cylinder body 10 is then activated, driving the stabilizing block 9 forward. Subsequently, the splined shaft 7 is installed at one end of the back of the drive rod 5, and a splined connection is established between the splined shaft 7 and the drive rod 5. The cylinder body 10 then stops moving, and the drive motor 8 begins to rotate, driving the drive rod 5 to rotate. The drive rod 5 and cutter body 6 enable transverse cutting of materials, resulting in good overall operation. When the cutter body 6 needs to be replaced, the cylinder body 10 drives the stabilizing block 9 to move to the back, and then the drive rod 5 moves to the back. The cutter body 6 can then be rotated and disassembled from the outer surface of the drive rod 5, allowing for quick replacement. By starting the mounting motor 12, the mounting motor 12 can drive the lead screw body 13 to rotate. When the lead screw body 13 rotates, it can drive the movable block 14 to move on the surface of the lead screw body 13, thereby adjusting the height of the support conveyor plate 15. The limit plate 16 and the guide rod 17 can limit the adjustment of the support conveyor plate 15. Therefore, by adjusting the height of the support conveyor plate 15, this setting can adjust the distance between the support conveyor plate 15 and the drive rod 5, thereby adapting to the cross-cutting operation of materials of different sizes. The above is the working principle of this utility model.

[0021] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A quick-change cross-cutting blade, comprising a mounting side plate (1), wherein a top plate (2) is mounted on the top surface of the mounting side plate (1), and the mounting side plate (1) is provided in two sets, characterized in that: A fixing ring (3) is installed at the front end of the mounting side plate (1), a mounting bearing (4) is installed inside the fixing ring (3), a drive rod (5) is installed inside the mounting bearing (4), and a mounting assembly is installed on the back of another set of mounting side plates (1). The mounting assembly includes a spline shaft (7) that extends through the interior of another set of mounting side plates (1) and is spline-mounted with a drive rod (5).

2. The cross-cutting blade with quick blade change according to claim 1, characterized in that: A drive motor (8) is mounted on the back of the spline shaft (7), and a stabilizing block (9) is fixedly connected to the back of the drive motor (8).

3. A quick-change cross-cutting blade according to claim 2, characterized in that: A cylinder body (10) is mounted on the back of the stabilizing block (9), and a support frame (11) is fixedly connected to the back of the cylinder body (10). The support frame (11) is mounted on the back of another set of mounting side plates (1).

4. A cross-cutting blade with quick blade change according to claim 1, characterized in that: The outer surface of the drive rod (5) is threaded with a cutter body (6), and the front end of the drive rod (5) is installed inside the mounting bearing (4).

5. A quick-change cross-cutting blade according to claim 1, characterized in that: Both sets of mounting side plates (1) have grooves (18) inside, and movable blocks (14) are installed inside the grooves (18).

6. A quick-change cross-cutting blade according to claim 5, characterized in that: The outer surface of the movable block (14) is equipped with a support conveying plate (15), and the inside of the movable block (14) is equipped with a lead screw body (13). The top surface of the lead screw body (13) penetrates the top surface of the top plate (2) and is equipped with a motor (12).

7. A quick-change cross-cutting blade according to claim 6, characterized in that: A limiting plate (16) is installed at the front end of the supporting conveyor plate (15), and a guide rod (17) is inserted inside the limiting plate (16).

Citation Information

Patent Citations

  • Transverse cutter with rapid cutter changing function

    CN217195716U