Automatic cutting device for bag R angle

Abstract

The utility model discloses a kind of bag-making R angle automatic cutting equipment, including cutting table, the both sides of cutting table protruding part are fixedly installed with guide plate, the sliding block is slidably installed outside guide plate, the protruding part side of cutting table is installed with the adjusting assembly for changing the position of sliding block, the sliding block side is fixedly installed with mounting plate, the mounting plate top surface is fixedly installed with telescopic link, the telescopic link upper end is fixedly installed with connecting plate, the connecting plate one side is fixedly installed with cutting knife, elastic member is arranged between connecting plate and mounting plate, the protruding part side of cutting table is installed with the pneumatic assembly for pushing connecting plate to move downwards.The utility model can change the interval of two sliding blocks by adjusting assembly, and then the position of cutting knife and cutting groove is adjusted, so that equipment can carry out R angle cutting to different width packaging bag.

Description

Technical Field

[0001] This utility model relates to the field of bag making, specifically to an automatic bag corner cutting device. Background Technology

[0002] In the packaging bag manufacturing industry, rounded corner cutting is a key process to improve the safety and aesthetics of packaging bags. In particular, rounded corner design has become a standard requirement in the industry, especially in food packaging and daily necessities packaging. Existing automated cutting equipment typically has a fixed cutter position, which can only cut the R-angle of packaging bags of a single width. When processing packaging bags of different widths, the cutter assembly must be disassembled and the installation position recalibrated. This process is cumbersome and time-consuming, which not only extends production changeover time but may also lead to a decrease in equipment accuracy due to repeated disassembly and assembly. Therefore, it is necessary to design an automatic R-angle cutting equipment for bag making to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to provide an automatic bag-making R-angle cutting device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: an automatic bag-making R-corner cutting device, including a cutting table, guide plates are fixedly installed on both sides of the protrusion of the cutting table, a sliding block is slidably installed on the outer side of the guide plate, and an adjustment component for changing the position of the sliding block is installed on one side of the protrusion of the cutting table. A mounting plate is fixedly installed on one side of the sliding block, a telescopic rod is fixedly installed on the top surface of the mounting plate, a connecting plate is fixedly installed on the upper end of the telescopic rod, a cutting blade is fixedly installed on one side of the connecting plate, an elastic element is provided between the connecting plate and the mounting plate, and a pneumatic component for pushing the connecting plate downward is installed on one side of the protrusion of the cutting table.

[0005] Preferably, the adjustment assembly includes an electric push rod, which is fixedly installed on one side of the protrusion of the cutting table. A movable plate is fixedly installed at the output end of the electric push rod, and connecting rods are rotatably installed on both sides of the movable plate. One end of the connecting rod is rotatably installed on one side of the sliding block.

[0006] Preferably, the top surface of the sliding block has a cutting groove corresponding to the vertical position of the cutting blade.

[0007] Preferably, the elastic element is a spring, with the upper end of the spring fixedly installed on the bottom surface of the connecting plate and the lower end of the spring fixedly installed on the top surface of the mounting plate.

[0008] Preferably, the pneumatic assembly includes a support plate, which is fixedly installed on the side of the protrusion of the cutting table, a cylinder is fixedly installed on the inner side of the support plate, and a push plate is fixedly installed at the output end of the cylinder.

[0009] Preferably, the push plate corresponds to the two connecting plates in a vertical position.

[0010] Compared with the prior art, the beneficial effects of this utility model are: 1. This automatic R-corner cutting equipment for bags places the packaging bag to be cut on the top surface of the cutting table, with the corner to be cut above the cutting groove. After pressing the packaging bag onto the surface, the cylinder switch is turned on, causing the push plate to move downward. The push plate pushes two connecting plates downward, allowing the cutting blade to cut the corner of the packaging bag. Then, the push plate is controlled to reset, and under the elastic force of the spring, the connecting plates are pushed upward to reset, thus completing the R-corner cutting of the two corners of the packaging bag. It can simultaneously cut the R-corners of two corners on one side of the packaging bag, ensuring cutting efficiency.

[0011] 2. This automatic bag corner cutting device, by turning on the switch of the electric push rod, drives the moving plate to move. The moving plate drives the two connecting rods to rotate. The two connecting rods drive the two sliding blocks to move outside the guide plate, so that the two sliding blocks move closer or further apart. Then, by changing the position of the cutting blade through the mounting plate, telescopic rod, and connecting plate, the distance between the two cutting blades can be adjusted. It can perform corner cutting work on packaging bags of different widths, which facilitates the improvement of the device's versatility. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the bottom structure of this utility model; Figure 3 This is an enlarged structural diagram of point A in this utility model.

[0013] In the diagram: 1. Cutting table; 2. Guide plate; 3. Sliding block; 4. Electric push rod; 5. Moving plate; 6. Connecting rod; 7. Groove; 8. Mounting plate; 9. Telescopic rod; 10. Connecting plate; 11. Spring; 12. Cutting knife; 13. Support plate; 14. Cylinder; 15. Push plate. Detailed Implementation

[0014] 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.

[0015] Example 1 Please refer to Figure 1-3 As shown, this utility model provides an automatic bag-making R-angle cutting device, including a cutting table 1. Guide plates 2 are fixedly installed on both sides of the protrusion of the cutting table 1. Sliding blocks 3 are slidably installed on the outer side of the guide plates 2. An adjustment component for changing the position of the sliding blocks 3 is installed on one side of the protrusion of the cutting table 1. A mounting plate 8 is fixedly installed on one side of the sliding block 3. A telescopic rod 9 is fixedly installed on the top surface of the mounting plate 8. A connecting plate 10 is fixedly installed on the upper end of the telescopic rod 9. A cutting blade 12 is fixedly installed on one side of the connecting plate 10. An elastic element is provided between the connecting plate 10 and the mounting plate 8. A pneumatic component for pushing the connecting plate 10 downward is installed on one side of the protrusion of the cutting table 1.

[0016] Specifically, by adjusting the components, the distance between the two sliding blocks 3 can be changed, thereby adjusting the position of the cutting blade 12 and the cutting groove 7, so that the equipment can cut the R-angle of packaging bags of different widths.

[0017] The adjustment component includes an electric push rod 4, which is fixedly installed on one side of the protrusion of the cutting table 1. A movable plate 5 is fixedly installed at the output end of the electric push rod 4. Connecting rods 6 are rotatably installed on both sides of the movable plate 5. One end of the connecting rod 6 is rotatably installed on one side of the sliding block 3. By turning on the switch of the electric push rod 4, the movable plate 5 is moved, the movable plate 5 drives the two connecting rods 6 to rotate, and the two connecting rods 6 drive the two sliding blocks 3 to move outside the guide plate 2.

[0018] Wherein: the top surface of the sliding block 3 has a cutting groove 7 corresponding to the vertical position of the cutting blade 12, and the cutting blade 12 can move downward to enter the cutting groove 7.

[0019] Specifically, the elastic element is a spring 11. The upper end of the spring 11 is fixedly installed on the bottom surface of the connecting plate 10, and the lower end of the spring 11 is fixedly installed on the top surface of the mounting plate 8. After the starting component pushes the connecting plate 10 to move downward and reset, the spring 11 can push the connecting plate 10 to move upward.

[0020] The pneumatic assembly includes a support plate 13, which is fixedly installed on the side of the protrusion of the cutting table 1. A cylinder 14 is fixedly installed on the inner side of the support plate 13. A push plate 15 is fixedly installed at the output end of the cylinder 14. The push plate 15 is perpendicular to the two connecting plates 10. The cylinder 14 drives the push plate 15 to move downward, and the push plate 15 can push the connecting plates 10 to move downward.

[0021] Working principle: This utility model is an automatic R-corner cutting device for bags. When in use, the packaging bag to be cut is placed on the top surface of the cutting table 1, so that the corner to be cut is above the cutting groove 7. After pressing the packaging bag on the surface, the switch of the cylinder 14 is turned on, which drives the push plate 15 to move downward. The push plate 15 pushes the two connecting plates 10 to move downward, so that the cutting blade 12 cuts the corner of the packaging bag. Then, the push plate 15 is controlled to return to its original position. Under the elastic force of the spring 11, the connecting plates 10 are pushed to move upward and return to their original position, thus completing the R-corner cutting of the two corners of the packaging bag. It can cut the R-corner of two corners on one side of the packaging bag at the same time, ensuring cutting efficiency. By turning on the switch of the electric push rod 4, the moving plate 5 is moved. The moving plate 5 drives the two connecting rods 6 to rotate. The two connecting rods 6 drive the two sliding blocks 3 to move outside the guide plate 2, so that the two sliding blocks 3 move closer or further apart. Then, by changing the position of the cutting blade 12 through the mounting plate 8, telescopic rod 9, and connecting plate 10, the distance between the two cutting blades 12 can be adjusted. This allows for the R-angle cutting of packaging bags of different widths, which improves the versatility of the device.

[0022] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0023] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. An automatic bag-making corner cutting device, comprising a cutting table (1), characterized in that: Guide plates (2) are fixedly installed on both sides of the protrusion of the cutting table (1). A sliding block (3) is slidably installed on the outside of the guide plate (2). An adjustment component for changing the position of the sliding block (3) is installed on one side of the protrusion of the cutting table (1). A mounting plate (8) is fixedly installed on one side of the sliding block (3), a telescopic rod (9) is fixedly installed on the top surface of the mounting plate (8), a connecting plate (10) is fixedly installed on the upper end of the telescopic rod (9), a cutting blade (12) is fixedly installed on one side of the connecting plate (10), an elastic element is provided between the connecting plate (10) and the mounting plate (8), and a pneumatic component for pushing the connecting plate (10) downward is installed on one side of the protrusion of the cutting table (1).

2. The automatic bag-making R-angle cutting device according to claim 1, characterized in that: The adjustment assembly includes an electric push rod (4), which is fixedly installed on one side of the protrusion of the cutting table (1). A movable plate (5) is fixedly installed at the output end of the electric push rod (4). Connecting rods (6) are rotatably installed on both sides of the movable plate (5). One end of the connecting rod (6) is rotatably installed on one side of the sliding block (3).

3. The automatic bag-making R-angle cutting device according to claim 1, characterized in that: The top surface of the sliding block (3) has a cutting groove (7) that corresponds to the vertical position of the cutting blade (12).

4. The automatic bag-making R-angle cutting device according to claim 1, characterized in that: The elastic element is specifically a spring (11), the upper end of which is fixedly installed on the bottom surface of the connecting plate (10), and the lower end of which is fixedly installed on the top surface of the mounting plate (8).

5. The automatic bag-making R-angle cutting device according to claim 1, characterized in that: The pneumatic assembly includes a support plate (13), which is fixedly installed on the side of the protrusion of the cutting table (1). A cylinder (14) is fixedly installed on the inner side of the support plate (13), and a push plate (15) is fixedly installed at the output end of the cylinder (14).

6. The automatic bag-making R-angle cutting device according to claim 5, characterized in that: The push plate (15) corresponds to the two connecting plates (10) in a vertical position.

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