Shearing mechanism for formed plastic packaging box
By using multiple limit structures and cylinder-driven lift plates in the shear mechanism after forming the plastic packaging box, the problems of poor stability and inconvenient shear structure in the prior art are solved, and more efficient and reliable shear processing is achieved.
Patent Information
- Application Number
- CN202421592025.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-08
AI Technical Summary
The cutting device for existing plastic packaging boxes has poor stability and is inconvenient to replace the shear structure, resulting in low production efficiency and difficult maintenance.
A plastic packaging box after forming shear mechanism is designed, using multiple limit structures and cylinder-driven lifting plates to ensure the stability of shear work, and through the cooperation of plate grooves and bolts, the shear structure is easy to install and disassemble.
It improves the stability and production efficiency of shear processing, facilitates maintenance and replacement of tools, and is suitable for plastic packaging boxes of different sizes.
Smart Images
Figure CN222819000U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of plastic packaging processing, and in particular to a shearing mechanism after plastic packaging boxes are formed. Background Art
[0002] Plastic packaging boxes are a kind of packaging material widely used in various fields. Plastic packaging boxes have good plasticity and can be made into various shapes and sizes to meet the packaging needs of different products. They also have excellent waterproof and moisture-proof properties and can effectively protect the internal products from the influence of humid environments.
[0003] According to the announcement number: CN220297945U, a cutting device for plastic packaging boxes is disclosed. This technology discloses "including a cutting chassis, a cutting top cover is fixedly connected to the top of the cutting chassis, a transmission component for transmitting the plastic packaging box is arranged at the left end of the cutting chassis, and a connecting block is fixedly connected to the left end of the cutting chassis. The plastic packaging box is placed on the transmission component by arranging a transmission component, a pushing component, a cutting component and a blocking component, and the side of the plastic packaging box that needs to be trimmed faces right. The plastic packaging boxes are successively transmitted from the transmission component to the connecting block, and the plastic packaging box on the left side pushes the plastic packaging box on the right side forward, and the pushing component pushes the plastic packaging box to the rear side of the cutting chassis, and the blocking component blocks the plastic packaging box, and the cutting component completes the cutting of the rightmost plastic packaging box. Compared with the prior art, the working speed is fast and the production efficiency of the packaging box is high. ";
[0004] With respect to the above-mentioned related technologies, the inventors believe that the existing cutting devices for plastic packaging boxes have poor stability. Since the shearing structure needs to move up and down frequently, long-term use may cause some connections to loosen. If the stability is limited, a long service life cannot be guaranteed. In addition, the shearing structure of the existing cutting devices for plastic packaging boxes is not easy to replace, which makes it inconvenient to inspect and maintain them. It is also impossible to cut different types of plastic packaging boxes, and the cutting efficiency is limited. Therefore, a shearing mechanism is needed after the plastic packaging box is formed to solve the above problems. Utility Model Content
[0005] The purpose of the present application is to provide a shearing mechanism for a plastic packaging box after molding, so as to improve the problems of poor stability and inconvenient replacement of the shearing structure.
[0006] The post-molding shearing mechanism of the plastic packaging box provided in this application adopts the following technical solution:
[0007] The shearing mechanism after the plastic packaging box is formed comprises a bottom plate, a placing frame and a shearing frame are fixedly provided on the upper end of the bottom plate, pillars are fixedly provided on both sides of the upper end of the bottom plate, a support rod is commonly fixedly provided on the upper ends of the two pillars, a cylinder is fixedly provided on the upper end of the support rod, the output end of the cylinder passes through the support rod and is fixedly provided with a lifting plate, a shearing knife is provided on the lower end of the lifting plate, limiting rings are fixedly provided at both ends of the lifting plate, and the two limiting rings are respectively sleeved and connected with two pillars, columns are fixedly provided on both sides of the upper end of the lifting plate, and the upper ends of the columns pass through the support rod and extend above the support rod.
[0008] By adopting the above technical solution, the two limiting structures are used in combination, so that the shearing work is more stable, the overall structural design is simple, the use is reliable, the shearing process is more stable, and the shearing quality of the plastic packaging box is better.
[0009] Optionally, a plate groove for cooperating with a lifting plate is formed at the upper end of the shearing knife, a plurality of through-type installation grooves are formed on the lower side of one end of the lifting plate, a plurality of positioning grooves are formed at both ends of the shearing knife, and bolts are inserted into two corresponding positioning grooves and the installation groove.
[0010] By adopting the above technical solution, the shear structure is easy to install and disassemble, and is convenient for regular maintenance.
[0011] Optionally, the placement rack is fixedly connected to the shear frame.
[0012] By adopting the above technical solution, the connection strength between the placement rack and the shear frame is improved, making it easier to move the plastic packaging box for shearing.
[0013] Optionally, a shearing groove is provided at the upper end of the shearing frame, and the shearing groove is located directly below the lifting plate.
[0014] By adopting the above technical solution, the shearing groove cooperates with the shearing knife to complete the shearing work.
[0015] Optionally, reinforcing columns are fixedly provided on both sides of the upper end of the base plate, reinforcing pieces are fixedly provided on one end of the same side of the lifting plate, and the reinforcing columns are connected through corresponding reinforcing pieces.
[0016] By adopting the above technical solution, the reinforcement member moves up and down on the reinforcement column, thereby further improving the stability of the shearing process.
[0017] Optionally, a limiting plate is fixedly provided on the upper end of the reinforcing column.
[0018] By adopting the above technical solution, the limiting plate limits the rising range of the lifting plate, thereby improving the safety of the mechanism to a certain extent.
[0019] Optionally, support blocks are fixedly provided at both ends of the support rod, and the upper ends of the two support blocks are fixedly connected to the lower end of the cylinder.
[0020] By adopting the above technical solution, the support block provides protective support for the lower end of the cylinder, thereby enhancing the stability of the cylinder output.
[0021] Optionally, eight mounting grooves and eight positioning grooves are provided on one side, and the eight mounting grooves and positioning grooves are distributed at equal intervals.
[0022] By adopting the above technical solution, the eight equally spaced bolt slots structure ensures higher firmness during fixation.
[0023] In summary, the present application includes at least one of the following beneficial technical effects:
[0024] 1. This application uses a combination of multiple limit structures, the overall structural design is simple, the use is reliable, the shearing process is more stable, and the shearing quality of the plastic packaging box is better;
[0025] 2. The present application uses the combination of plate slots and bolts to make the shearing structure easy to install and disassemble, facilitate regular maintenance, and replace the cutter according to the sizes of different plastic packaging boxes, thereby improving the versatility of the shearing mechanism. BRIEF DESCRIPTION OF THE DRAWINGS
[0026] Figure 1 It is a schematic diagram of the overall structure of this application.
[0027] Figure 2 It is a schematic diagram of the cross-sectional structure of the shear frame and support rod of this application.
[0028] Figure 3 This is an exploded view of the connection between the lifting plate and the shear knife of this application.
[0029] In the figure, 1, base plate; 2, support rod; 21, pillar; 22, cylinder; 23, column; 25, limit ring; 26, reinforcement column; 27, reinforcement member; 28, limit plate; 29, support block; 3, lifting plate; 31, shear knife; 32, plate groove; 33, installation groove; 34, positioning groove; 4, shear frame; 41, shear groove; 5, placement rack. DETAILED DESCRIPTION
[0030] The following is combined with Figure 1 -Attached Figure 3 , further details of this application are given.
[0031] Example 1
[0032] Plastic packaging box after forming shear mechanism, refer to Figure 1-2, including a bottom plate 1, a placing frame 5 and a shearing frame 4 are welded on the upper end of the bottom plate 1, the placing frame 5 is welded to the shearing frame 4, the connection strength between the placing frame 5 and the shearing frame 4 is improved, and the plastic packaging box is convenient to move and shear, pillars 21 are welded on both sides of the upper end of the bottom plate 1, and a support rod 2 is welded on the upper ends of the two pillars 21, and a cylinder 22 is welded on the upper end of the support rod 2, and support blocks 29 are welded on both ends of the support rod 2, and the upper ends of the two support blocks 29 are welded to the lower end of the cylinder 22, and the support blocks 29 provide protective support for the lower end of the cylinder 22, thereby enhancing the stability of the output of the cylinder 22, and the output end of the cylinder 22 passes through the support rod 2 and is welded with a lifting plate 3, and a shearing knife 31 is installed at the lower end of the lifting plate 3, and a shearing groove 41 is opened at the upper end of the shearing frame 4, and the shearing groove 41 is located directly below the lifting plate 3, and the shearing groove 41 cooperates with the shearing knife 31 to complete To complete the shearing work, both ends of the lifting plate 3 are welded with limit rings 25, and the two limit rings 25 are respectively connected with the two pillars 21, and columns 23 are welded on both sides of the upper end of the lifting plate 3. The upper ends of the columns 23 pass through the support rod 2 and extend above the support rod 2. The bottom plate 1 is placed on the ground as a supporting structure, and the plastic packaging box is placed on the placement rack 5. When it is pushed into the top of the shear frame 4, the shearing work is performed after alignment. Specifically, the cylinder 22 is started, and the shearing knife 31 is driven downward by the lifting plate 3 to complete the shearing. During the shearing process, the lifting plate 3 moves up and down, and the limit ring 25 moves up and down on the pillar 21, and the column 23 moves up and down on the support rod 2. The combination of the two limit structures makes the shearing work more stable, the overall structural design is simple, and the use is reliable. The stability of the shearing process is strong, and the shearing quality of the plastic packaging box is good.
[0033] Reference Figure 2 Reinforcement columns 26 are welded on both sides of the upper end of the base plate 1, and two reinforcement members 27 are welded on the lifting plate 3. The reinforcement members 27 can slide up and down on the corresponding reinforcement columns 26. A limiting plate 28 is welded on the upper end of the reinforcement column 26. The lower end height of the limiting plate 28 is the same as the lower end height of the support rod 2. During shearing, as the lifting plate 3 moves up and down, the reinforcement member 27 moves up and down on the reinforcement column 26, thereby further improving the stability of the shearing process. The limiting plate 28 limits the rising range of the lifting plate 3, which improves the safety of the mechanism to a certain extent.
[0034] The implementation principle of the embodiment of the present application is as follows: the bottom plate 1 is placed on the ground as a supporting structure, the plastic packaging box is placed on the placement rack 5, and when it is pushed into the top of the shear frame 4, the shearing work is performed after alignment, specifically, the cylinder 22 is started, and the shearing knife 31 is driven to move downward through the lifting plate 3 to complete the shearing. During the shearing process, the lifting plate 3 moves up and down, and at the same time, the limit ring 25 moves up and down on the pillar 21, and the column 23 moves up and down on the support rod 2. The two limit structures are used in combination to make the shearing work more stable, the overall structural design is simple, the use is reliable, the shearing process is more stable, and the shearing quality of the plastic packaging box is better;
[0035] During shearing, as the lifting plate 3 moves up and down, the reinforcement member 27 moves up and down on the reinforcement column 26, thereby further improving the stability of the shearing process. The limiting plate 28 limits the rising range of the lifting plate 3, thereby improving the safety of the mechanism to a certain extent.
[0036] Example 2
[0037] The difference between this embodiment and embodiment 1 is that:
[0038] Reference Figure 3 The upper end of the shearing knife 31 is provided with a plate groove 32 for use with the lifting plate 3, and a plurality of through-type mounting grooves 33 are provided on the lower side of one end of the lifting plate 3. A plurality of positioning grooves 34 are provided at both ends of the shearing knife 31, and bolts are inserted into the two corresponding positioning grooves 34 and the mounting groove 33. The shearing knife 31 and the lifting plate 3 are connected by a plurality of bolts. When installing the shearing knife 31, it is only necessary to put the plate groove 32 on the lower end of the lifting plate 3, and then align the mounting groove 33 with the corresponding positioning groove 34, and weld them with bolts. The shearing structure is convenient for installation and disassembly, convenient for regular maintenance, and the knife can be replaced according to the size of different plastic packaging boxes, thereby improving the versatility of the shearing mechanism.
[0039] Reference Figure 3 The mounting grooves 33 and the positioning grooves 34 on one side are both arranged at equal intervals, and the positions of the mounting grooves 33 and the positioning grooves 34 correspond to each other. The eight equally spaced bolt groove structures make the fixing firmer.
[0040] The embodiments of this specific implementation are all preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. The same components are represented by the same figure marks. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.
Claims
1. A shearing mechanism for a plastic packaging box after molding, comprising a bottom plate (1), characterized in that: A placing frame (5) and a shearing frame (4) are fixedly provided at the upper end of the base plate (1); pillars (21) are fixedly provided on both sides of the upper end of the base plate (1); a support rod (2) is fixedly provided at the upper ends of the two pillars (21); a cylinder (22) is fixedly provided at the upper end of the support rod (2); an output end of the cylinder (22) passes through the support rod (2) and is fixedly provided with a lifting plate (3); a shearing knife (31) is provided at the lower end of the lifting plate (3); limiting rings (25) are fixedly provided at both ends of the lifting plate (3); and the two limiting rings (25) are respectively sleeve-connected with the two pillars (21); and columns (23) are fixedly provided on both sides of the upper end of the lifting plate (3); the upper ends of the columns (23) pass through the support rod (2) and extend above the support rod (2).
2. The post-molding shearing mechanism for a plastic packaging box according to claim 1, characterized in that: The upper end of the shearing knife (31) is provided with a plate groove (32) for use with the lifting plate (3), a plurality of through-type installation grooves (33) are provided on the lower side of one end of the lifting plate (3), and both ends of the shearing knife (31) are provided with a plurality of positioning grooves (34), and bolts are inserted into two corresponding positioning grooves (34) and the installation groove (33).
3. The post-molding shearing mechanism for the plastic packaging box according to claim 1, characterized in that: The placement rack (5) is fixedly connected to the shear frame (4).
4. The post-molding shearing mechanism for a plastic packaging box according to claim 1, characterized in that: The upper end of the shear frame (4) is provided with a shear groove (41), and the shear groove (41) is located directly below the lifting plate (3).
5. The post-molding shearing mechanism for a plastic packaging box according to claim 1, characterized in that: Reinforcement columns (26) are fixedly provided on both sides of the upper end of the base plate (1), and reinforcement members (27) are fixedly provided on one end of the same side of the lifting plate (3), and the reinforcement columns (26) are connected through the corresponding reinforcement members (27).
6. The post-molding shearing mechanism for the plastic packaging box according to claim 5, characterized in that: A limiting plate (28) is fixedly provided on the upper end of the reinforcing column (26).
7. The post-molding shearing mechanism for a plastic packaging box according to claim 1, characterized in that: Support blocks (29) are fixedly provided at both ends of the support rod (2), and the upper ends of the two support blocks (29) are fixedly connected to the lower end of the cylinder (22).
8. The post-molding shearing mechanism for a plastic packaging box according to claim 2, characterized in that: The number of the mounting grooves (33) and the number of the positioning grooves (34) on one side are both eight, and the eight mounting grooves (33) and positioning grooves (34) are distributed at equal intervals.