A carton cutting device
Patent Information
- Application Number
- CN202620005809.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-05
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2036-01-05
AI Technical Summary
[0004]本实用新型的目的是为了解决现有技术中存在的切割轨迹调整灵活度低、切割精度差、适用范围窄的问题,而提出的一种纸箱切割装置
1、本实用新型中,通过基板顶部固定第一框架,第一框架内侧固定第二框架,利用第二框架拐角处的套筒连接直板形成框形结构,为切割提供稳定的轨迹基础,同时支撑杆滑动设置在直板内部,切割刀片两端贴合直板内侧壁,既提升了切割刀片的安装稳定性,又通过框形结构的适配设计,拓宽了装置对不同规格纸箱的适配范围,有效解决了现有装置切割精度不足的问题。
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Figure CN224827931U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard box processing equipment technology, and in particular to a cardboard box cutting device. Background Technology
[0002] In the process of cardboard box production and processing, according to packaging requirements, it is often necessary to cut the formed cardboard boxes to specific sizes to adapt to subsequent packaging assembly, ventilation hole opening and other processes. As one of the key equipment in cardboard box processing, the cutting accuracy and adaptability of the cutting device directly affect the subsequent use effect and product qualification rate of the cardboard box.
[0003] However, in the existing technology, most existing carton cutting devices adopt a fixed trajectory cutting structure. During the cutting process, the carton generally needs to be moved to adjust its position. During the movement, the specific cutting accuracy is easily affected. Moreover, the structural adaptability of the cutting frame is limited, making it difficult to meet the frame cutting requirements of different carton sizes. This results in a narrow range of applications for the device and an inability to guarantee the forming quality of the carton after cutting. Utility Model Content
[0004] The purpose of this invention is to solve the problems of low flexibility in adjusting the cutting trajectory, poor cutting accuracy, and narrow applicability in the existing technology, and to propose a carton cutting device.
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a carton cutting device, comprising a base plate, a first frame fixedly connected to the top of the base plate, a second frame fixedly connected to the inner side of the first frame, sleeves fitted onto the rods at the four corners of the second frame, a straight plate fixedly connected between two adjacent sleeves, and multiple straight plates connected end to end to form a frame structure, a support rod slidably disposed inside the straight plate, a cutting blade disposed at the bottom of the support rod, and both ends of the cutting blade abutting against the inner sidewall of the straight plate.
[0006] Preferably, a guide frame is fixedly installed on one side of the first frame, and a first motor lead screw transmission assembly is fixedly installed inside the guide frame.
[0007] Preferably, a connecting rod is provided at the edge of the straight plate, and one end of the connecting rod is fixedly connected to the slide of the first motor lead screw transmission assembly.
[0008] Preferably, the end of the support rod is provided with a connector, and a strip hole is provided at the junction of the straight plate and the support rod.
[0009] Preferably, a second motor lead screw drive assembly is fixedly installed at the edge of one of the sleeves, and the second motor lead screw drive assembly is threadedly connected to the connector.
[0010] Preferably, a positioning plate is fixedly installed at the bottom of the first frame, and a lead screw is rotatably installed at one end of the positioning plate. A movable plate is threaded onto the outer wall of the lead screw.
[0011] Preferably, the bottom of the movable plate is provided with a rectangular groove, and the movable plate is slidably disposed at the bottom of the first frame through the rectangular groove.
[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows: 1. In this utility model, a first frame is fixed to the top of the base plate, and a second frame is fixed to the inside of the first frame. A straight plate is connected by a sleeve at the corner of the second frame to form a frame structure, which provides a stable trajectory foundation for cutting. At the same time, the support rod is slidably set inside the straight plate, and the two ends of the cutting blade are attached to the inner side wall of the straight plate. This not only improves the installation stability of the cutting blade, but also broadens the adaptability range of the device to different specifications of cartons through the adaptability design of the frame structure, effectively solving the problem of insufficient cutting accuracy of the existing device.
[0013] 2. In this utility model, the first motor lead screw transmission assembly and the connecting rod work together to drive the frame-shaped straight plate to move as a whole. The second motor lead screw transmission assembly drives the support rod to slide precisely through the connecting head. Combined with the positioning structure of the positioning plate, lead screw and movable plate, the precise control of the cutting trajectory and the stable positioning of the carton are realized, which further optimizes the cutting accuracy and ensures the flatness of the carton cut and the forming quality. Attached Figure Description
[0014] Figure 1 This is a three-dimensional structural diagram of a carton cutting device proposed in this utility model; Figure 2 This is a side view of a carton cutting device proposed in this utility model; Figure 3 This is a three-dimensional structural diagram of the straight plate and the second frame of a carton cutting device proposed in this utility model. Figure 4 This utility model Figure 1 Enlarged structural diagram of part A.
[0015] Legend: 1. Base plate; 2. First frame; 3. Guide frame; 4. First motor lead screw drive assembly; 5. Second frame; 6. Sleeve; 7. Straight plate; 8. Connecting rod; 9. Positioning plate; 10. Lead screw; 11. Movable plate; 12. Support rod; 13. Cutting blade; 14. Strip hole; 15. Connecting head; 16. Second motor lead screw drive assembly; 17. Rectangular groove. Detailed Implementation
[0016] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0017] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.
[0018] Example 1: As Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this utility model provides a carton cutting device, including a base plate 1. A first frame 2 is fixedly connected to the top of the base plate 1. A second frame 5 is fixedly connected to the inner side of the first frame 2. Sleeves 6 are fitted onto the rods at the four corners of the second frame 5. Straight plates 7 are fixedly connected between two adjacent sleeves 6. Multiple straight plates 7 are connected end to end to form a frame structure. A support rod 12 is slidably arranged inside the straight plate 7. A cutting blade 13 is arranged at the bottom of the support rod 12. The two ends of the cutting blade 13 are attached to the inner side wall of the straight plate 7. A guide frame 3 is fixedly installed on one side of the first frame 2. A first motor lead screw transmission assembly 4 is fixedly installed inside the guide frame 3. A connecting rod 8 is arranged at the edge of the straight plate 7. One end of the connecting rod 8 is fixedly connected to the slide of the first motor lead screw transmission assembly 4.
[0019] The specific setup and function of this embodiment are described below. The base plate 1 serves as the basic load-bearing component. The first frame 2, fixed to its top, provides the main mounting support for the device. The second frame 5, fixed inside the first frame 2, connects to sleeves 6 via rods at four corners, allowing the straight plates 7 fixed between adjacent sleeves 6 to form a frame structure, providing a trajectory basis for cutting. A support rod 12, slidably mounted inside the straight plate 7, has a cutting blade 13 at its bottom, with both ends of the cutting blade 13 adhering to the inner wall of the straight plate 7 to ensure cutting stability. A first motor lead screw drive assembly 4 is installed inside the guide frame 3. One end of the connecting rod 8 at the edge of the straight plate 7 is fixed to the slide of the first motor lead screw drive assembly 4. Start-up... After the first motor lead screw drive assembly 4, the connecting rod 8 drives the frame-shaped straight plate 7 and sleeve 6 to move along the second frame 5, which in turn drives the cutting blade 13 to move vertically up and down to complete the carton cutting. All components work together, the base plate 1 ensures the stability of the device, the first frame 2 and the second frame 5 provide a stable installation foundation, the frame structure formed by the sleeve 6 and the straight plate 7 clearly defines the cutting trajectory, the fitting design of the cutting blade 13 and the straight plate 7 improves the cutting accuracy, the guide frame 3, the first motor lead screw drive assembly 4 and the connecting rod 8 realize automated drive, reduce manual operation, improve cutting efficiency, the overall structure is compact and runs smoothly, and can accurately and efficiently complete the carton cutting operation, adapting to the cutting needs of different sized cartons.
[0020] Example 2: Figure 1 and Figure 2 As shown, the end of the support rod 12 is provided with a connector 15, and a strip hole 14 is opened at the junction of the straight plate 7 and the support rod 12. A second motor screw transmission assembly 16 is fixedly installed at the edge of one of the sleeves 6. The second motor screw transmission assembly 16 is threadedly connected to the connector 15. A positioning plate 9 is fixedly installed at the bottom of the first frame 2. A screw 10 is rotatably installed at one end of the positioning plate 9. A movable plate 11 is threadedly connected to the outer wall of the screw 10. A rectangular groove 17 is opened at the bottom of the movable plate 11. The movable plate 11 is slidably set at the bottom of the first frame 2 through the rectangular groove 17.
[0021] The overall effect of this embodiment is that the connector 15 at the end of the support rod 12 serves as a power connection component, and is threadedly connected to the second motor lead screw transmission assembly 16 fixedly installed on the edge of one of the sleeves 6. The strip hole 14 opened at the junction of the straight plate 7 and the support rod 12 provides travel space for the sliding of the support rod 12. Activating the second motor lead screw transmission assembly 16 can drive the connector 15 to drive the support rod 12 to slide stably along the strip hole 14, thereby driving the bottom cutting blade 13 to move precisely. The positioning plate 9 fixed at the bottom of the first frame 2 provides a reference for carton positioning. The lead screw 10 rotatably installed at one end of the positioning plate 9 is threadedly connected to the movable plate 11. The movable plate 11 is slidably set at the bottom of the first frame 2 through the bottom rectangular groove 17. Rotating the lead screw 10... The movable plate 11 can be driven to slide smoothly along the bottom of the first frame 2, and cooperate with the positioning plate 9 to clamp and position the carton. The threaded connection between the connector 15 and the second motor lead screw transmission assembly 16 ensures accurate power transmission. The strip hole 14 ensures the stability of the sliding trajectory of the support rod 12 and improves the cutting accuracy. The positioning plate 9, lead screw 10, movable plate 11 and rectangular groove 17 work together to quickly and firmly clamp cartons of different specifications and avoid displacement during cutting. The second motor lead screw transmission assembly 16 realizes the automated and precise drive of the cutting blade 13. The rectangular groove 17 ensures the smooth sliding of the movable plate 11. All components are closely matched, which not only enhances the stability of the device operation, but also improves the accuracy and efficiency of the cutting operation, effectively adapting to diverse carton cutting needs.
[0022] The method of use and working principle of this device: Place the carton to be cut on the base plate 1, so that the area of the carton to be cut corresponds to the bottom of the frame structure formed by the straight plate 7. Rotate the lead screw 10 at one end of the positioning plate 9 to drive the movable plate 11 to slide along the bottom of the first frame 2 until the movable plate 11 and the positioning plate 9 cooperate to clamp and position the carton. Start the first motor lead screw transmission assembly 4 inside the guide frame 3. This assembly drives the frame straight plate 7 and the sleeve 6 to move along the second frame 5 through the connecting rod 8 on the edge of the straight plate 7 and adjust it to a suitable cutting starting position. Then start the second motor lead screw transmission assembly 16 to drive the connecting head 15 to drive the support rod 12 to slide along the strip hole 14. The cutting blade 13 at the bottom of the support rod 12 moves synchronously against the inner side wall of the straight plate 7. Finally, the first motor lead screw transmission assembly 4 drives the frame straight plate 7 to move vertically downward to complete the frame cutting operation of the carton. After the cutting is completed, turn off the first motor lead screw transmission assembly 4 and the second motor lead screw transmission assembly 16. Rotate the lead screw 10 in the opposite direction to make the movable plate 11 release the carton and take out the cut carton.
[0023] The above are merely preferred embodiments of this utility model and are not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from the technical solution of this utility model shall still fall within the protection scope of this utility model.
Claims
1. A carton cutting device, comprising a substrate (1), characterized in that: The top of the substrate (1) is fixedly connected to a first frame (2), and the inner side of the first frame (2) is fixedly connected to a second frame (5). Sleeves (6) are fitted onto the rods at the four corners of the second frame (5). Straight plates (7) are fixedly connected between two adjacent sleeves (6). Multiple straight plates (7) are connected end to end to form a frame structure. A support rod (12) is slidably arranged inside the straight plate (7). A cutting blade (13) is arranged at the bottom of the support rod (12). The two ends of the cutting blade (13) are attached to the inner sidewall of the straight plate (7).
2. The carton cutting device according to claim 1, characterized in that: A guide frame (3) is fixedly installed on one side of the first frame (2), and a first motor screw drive assembly (4) is fixedly installed inside the guide frame (3).
3. The carton cutting device according to claim 1, characterized in that: A connecting rod (8) is provided at the edge of the straight plate (7), and one end of the connecting rod (8) is fixedly connected to the slide of the first motor lead screw transmission assembly (4).
4. The carton cutting device according to claim 1, characterized in that: The end of the support rod (12) is provided with a connector (15), and a strip hole (14) is provided at the junction of the straight plate (7) and the support rod (12).
5. A carton cutting device according to claim 1, characterized in that: A second motor screw drive assembly (16) is fixedly installed at the edge of one of the sleeves (6), and the second motor screw drive assembly (16) is threadedly connected to the connector (15).
6. A carton cutting device according to claim 1, characterized in that: A positioning plate (9) is fixedly installed at the bottom of the first frame (2), and a lead screw (10) is rotatably installed at one end of the positioning plate (9). A movable plate (11) is threadedly connected to the outer wall of the lead screw (10).
7. A carton cutting device according to claim 6, characterized in that: The bottom of the movable plate (11) is provided with a rectangular groove (17), and the movable plate (11) is slidably disposed at the bottom of the first frame (2) through the rectangular groove (17).