Cutting device for packaging bag processing

Abstract

The utility model discloses a cutting device for packaging bag processing, and particularly relates to the technical field of packaging bag processing equipment.The cutting device comprises a conveying mechanism installed in a fixing frame, sliding rods are arranged on the two sides of the top of the fixing frame in a penetrating and sliding mode, hole pricking assemblies are installed at the bottoms of the sliding rods, push-pull mechanisms are installed on one sides of the sliding rods, and pressing assemblies are installed on the other sides of the sliding rods; the conveying mechanism is used for conducting intermittent displacement on the packaging bags, and the push-pull mechanism is used for being matched with the conveying mechanism to push and pull the sliding rod. By arranging the push-pull mechanism, when the first rotating rod is clockwise, the first rotating rod drives the packaging bag to intermittently move on the transmission belt through the intermittent conveying mechanism, meanwhile, the sliding rod is driven by the push-pull mechanism to move upwards or downwards, and when the sliding rod moves downwards to drive the hole pricking assembly to prick holes in the packaging bag, the packaging bag is kept in a stopped state; and therefore, the deformation of the cutting part on the packaging bag is avoided, and the production quality of the packaging bag is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of packaging bag processing equipment, specifically a cutting device for packaging bag processing. Background Technology

[0002] Patent public account CN219667603U discloses a cutting device for packaging bag processing, belonging to the technical field of packaging bag cutting devices. It includes a cutting table, an opening and closing door, a mounting plate, and a connecting plate. Four sets of limiting cylinders are symmetrically connected to the bottom of the connecting plate. Springs are connected to the inner top wall of the limiting cylinders, and a moving column is connected to the bottom end of the spring. A mounting frame is connected to the bottom end of the moving column, and a second motor is connected to the front of the mounting frame. The output end of the second motor is connected to a roller. This utility model uses the roller to contact the packaging bag at the top of the conveyor belt. The operation of the second motor causes the roller to rotate inside the mounting frame, adjusting the slack of the packaging bag surface. This effectively improves the accuracy and stability of the packaging bag cutting, preventing deviations in the cutting position during bag cutting.

[0003] However, most existing technologies use a cutter to cut the packaging bag. When cutting the packaging bag, the area around the cut part of the packaging bag will be deformed, which will affect the processing quality of the packaging bag. In addition, existing technologies cannot cut the packaging bag continuously, resulting in low work efficiency. Utility Model Content

[0004] The purpose of this invention is to provide a cutting device for processing packaging bags.

[0005] The technical problem solved by this utility model is that the cutting part of the packaging bag is prone to deformation, which affects product quality, makes it impossible to cut the packaging bag continuously, and results in low work efficiency.

[0006] This utility model can be achieved through the following technical solution: It includes a fixed frame, within which a conveying mechanism is installed. The conveying mechanism includes two first rotating rods rotatably connected to the inner walls of both sides of the fixed frame. A push-pull mechanism is installed at the ends of both first rotating rods. Sliding rods are slidably installed on both sides of the top of the fixed frame. Punching components are simultaneously installed at the bottom of the two sliding rods. A pressing component is installed on the other side of the two sliding rods. The conveying mechanism is used to intermittently displace the packaging bag. The push-pull mechanism cooperates with the conveying mechanism to push and pull the sliding rods. When the conveying mechanism, through the first rotating rods and the push-pull mechanism, causes the sliding rods to drive the punching components to punch holes in the packaging bag, the packaging bag stops displacing. Furthermore, through the pressing component and the sliding rods, the packaging bag is pulled by the conveying mechanism and the pressing mechanism after being punched, thereby opening the punched area of ​​the packaging bag, thus achieving continuous cutting of the packaging bag.

[0007] A further technical improvement of this utility model is that the punching assembly includes a punching plate fixedly connected to the bottom end of the slide rod. Two symmetrical floating pressure plates are installed on both sides of the punching plate. A pressure plate is provided at the bottom of the floating pressure plate. The two ends of the pressure plate are fixedly connected to the inner walls of both sides of the fixed frame. When the slide rod drives the punching assembly to move downward, the two floating pressure plates first press the two sides of the packaging bag against the two pressure plates. At this time, the packaging bag is straightened at the point to be cut, which facilitates the punching of the packaging bag by the bottom of the punching plate.

[0008] Furthermore, the conveying mechanism also includes two rotating rollers rotatably connected to the fixed frame. Two transmission belts are simultaneously fitted on the outer peripheral walls of the two rotating rollers. An intermittent conveying mechanism that drives the transmission belt to move intermittently is installed between the first rotating rod and the transmission belt. The transmission belt drives the packaging bag placed on the transmission belt to move intermittently through cooperation with the intermittent conveying mechanism.

[0009] Furthermore, the intermittent conveying mechanism includes a first transmission wheel and a second transmission wheel that are rotatably connected to the inner sidewall of the fixed frame. The first transmission wheel and the second transmission wheel are arranged side by side, one above the other. The top of the first transmission wheel and the bottom of the second transmission wheel are respectively in contact with the upper and lower sides of the top of the transmission belt. A full-tooth gear is fixedly installed on one side of the second transmission wheel, and an incomplete gear is fixedly installed on the outer peripheral wall of the first rotating rod. The tooth area of ​​the incomplete gear meshes with the full-tooth gear. The first transmission wheel and the second transmission wheel drive the conveyor belt to move intermittently through the cooperation of the incomplete gear and the full-tooth gear.

[0010] Furthermore, the transmission belt is made of rubber material, and several holes are evenly distributed on the transmission belt to avoid the piercing assembly. When the piercing plate moves downward to the position of the transmission belt, the transmission belt avoids the damage from the piercing plate spikes through its own material and holes.

[0011] Furthermore, the push-pull mechanism includes a first connecting rod fixedly connected to the end of the first rotating rod. A second connecting rod is rotatably connected to the end of the first connecting rod away from the first rotating rod. A traction rod and a push-pull rod are rotatably connected to the end of the second connecting rod away from the first connecting rod. A second rotating rod is fixedly connected to the end of the traction rod away from the second connecting rod. Both ends of the second rotating rod are rotatably connected to the inner walls on both sides of the fixed frame. The end of the push-pull rod away from the second connecting rod is rotatably connected to one side of the slide rod. When the first rotating rod rotates, it moves the first connecting rod to push and pull the second connecting rod, thereby causing the second connecting rod to push and pull the traction rod and the push-pull rod, which in turn pushes and pulls the slide rod, enabling the slide rod to drive the punching assembly to move upward or downward.

[0012] Furthermore, the pressing assembly includes a fixed rod fixedly installed on the side of the fixed frame away from the push-pull mechanism. A rocker arm is rotatably connected to the outer peripheral wall of the fixed rod. One end of the rocker arm is rotatably connected to a sliding rod. A clamping plate is fixedly installed on the bottom side of the rocker arm away from the sliding rod. When the sliding rod moves upward, it drives the clamping plate at the other end of the rocker arm to move downward, and vice versa. This allows the packaging bag to be pressed by the clamping plate after being punched, and to cooperate with the floating extrusion block to pull open the punched position on the packaging bag, thereby achieving the cutting of the packaging bag.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] 1. By setting up a push-pull mechanism, when the first rotating rod rotates clockwise, the first rotating rod drives the packaging bag to move intermittently on the transmission belt through the intermittent conveying mechanism, and at the same time drives the sliding rod to move up or down through the push-pull mechanism. When the sliding rod moves down and drives the punching component to punch holes in the packaging bag, the packaging bag remains in a stopped state, thereby avoiding deformation of the cut parts on the packaging bag and improving the production quality of the packaging bag.

[0015] 2. By setting up a seesaw, a fixed rod, and a clamp, when the packaging bag is displaced to one end, one end of the seesaw moves upward under the action of the sliding rod, while the other end of the seesaw moves downward due to the rotation of the seesaw on the fixed rod. This causes the clamp to engage with the back side of the packaging bag cutting line. At the same time, the front side of the packaging bag cutting line is driven away from the bottom of the first transmission wheel by the first and second transmission wheels. At this time, the two sides of the packaging bag cutting line are pulled by the clamp and the first and second transmission wheels, which causes the punctured part of the packaging bag to be pulled open. The first rotating rod continues to rotate, thus entering the next cutting cycle, thereby realizing continuous cutting of the packaging bag. Attached Figure Description

[0016] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the push-pull mechanism and the connection between the rocker and the slide bar of this utility model;

[0019] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0020] Figure 4 This is a schematic diagram of the intermittent conveying mechanism of this utility model.

[0021] In the diagram: 1. Fixed frame; 2. Sliding rod; 3. Punching assembly; 301. Punching plate; 302. Floating pressure plate; 303. Pressure plate; 4. Rotating roller; 5. Transmission belt; 7. First rotating rod; 8. Intermittent conveying mechanism; 801. First transmission wheel; 802. Second transmission wheel; 803. Full gear; 804. Incomplete gear; 10. Push-pull mechanism; 1001. First connecting rod; 1002. Second connecting rod; 1003. Traction rod; 1004. Push-pull rod; 1005. Second rotating rod; 11. Fixed rod; 12. Seesaw; 13. Clamping plate. Detailed Implementation

[0022] To further illustrate the technical means and effects adopted by this utility model in order to achieve the intended utility model purpose, the following detailed description of the specific implementation methods, structure, features and effects of this utility model is provided in conjunction with the accompanying drawings and preferred embodiments.

[0023] Please see Figure 1-4 As shown, this embodiment provides a cutting device for processing packaging bags, including a fixed frame 1. Sliding rods 2 are slidably mounted on both sides of the top of the fixed frame 1. A punching assembly 3 is simultaneously installed at the bottom of both sliding rods 2. The punching assembly 3 includes a punching plate 301 fixedly connected to the end of the sliding rod 2. Floating pressure plates 302 are installed on both sides of the punching plate 301. A pressure plate 303 is provided at the bottom of the floating pressure plate 302. Both ends of the pressure plate 303 are fixedly connected to the inner walls of both sides of the fixed frame 1. The fixed frame 1 is positioned on both sides of the punching assembly 3. Both are equipped with rotating rollers 4, and two transmission belts 5 are simultaneously fitted on the outer peripheral walls of the two rollers 4. The transmission belts 5 are made of rubber material and have several holes (not shown in the figure). When the slide rod 2 drives the punching assembly 3 to move downward, the two floating pressure plates 302 first press the packaging bag on the transmission belt 5 against the pressure plate 303, thereby tightening the packaging bag pressed against the bottom of the two floating pressure plates 302. Then the punching plate 301 continues to move downward to punch holes in the packaging bag tightened between the two floating pressure plates 302.

[0024] The inner walls on both sides of the fixed frame 1 are rotatably provided with first rotating rods 7 near the hole-punching assembly 3. A drive motor for driving the first rotating rods 7 to rotate is fixedly installed on one side of the fixed frame 1. An intermittent conveying mechanism 8 is installed between the first rotating rods 7 and the transmission belt 5. A push-pull mechanism 10 is installed at the end of the first rotating rods 7 away from the fixed frame 1.

[0025] The intermittent conveying mechanism 8 includes a first transmission wheel 801 and a second transmission wheel 802 rotatably connected to the inner wall of the fixed frame 1. The first transmission wheel 801 and the second transmission wheel 802 are vertically aligned on the upper and lower sides of the top of the transmission belt 5. The top of the first transmission wheel 801 and the bottom of the second transmission wheel 802 are in contact with the transmission belt 5. The second transmission wheel 802 has a certain damping when it rotates. A full-tooth gear 803 is fixedly installed on one side of the second transmission wheel 802. The intermittent conveying mechanism 8 also includes an incomplete gear 804 fixedly installed on the outer peripheral wall of the first rotating rod 7. The tooth area of ​​the incomplete gear 804 meshes with the full-tooth gear 803.

[0026] When the toothed area on the incomplete gear 804 rotates to mesh with the full gear 803, the incomplete gear 804 drives the full gear 803 to rotate. When the toothed area on the incomplete gear 804 rotates to disengage from the full gear 803, the full gear 803 immediately stops rotating due to the damping during rotation. Through the above description, the rotation of the second transmission wheel 802 driven by the full gear 803 is intermittent. In turn, the intermittently rotating second transmission wheel 802 cooperates with the first transmission wheel 801 to make the transmission belt 5 rotate intermittently.

[0027] The push-pull mechanism 10 includes a first connecting rod 1001 fixedly connected to the end of the first rotating rod 7. A second connecting rod 1002 is rotatably connected to the end of the first connecting rod 1001 away from the first rotating rod 7. A traction rod 1003 and a push-pull rod 1004 are rotatably connected to the end of the second connecting rod 1002 away from the first connecting rod 1001. A second rotating rod 1005 is fixedly connected to the end of the traction rod 1003 away from the second connecting rod 1002. The two ends of the second rotating rod 1005 are rotatably connected to the inner walls of both sides of the fixed frame 1. The end of the push-pull rod 1004 away from the second connecting rod 1002 is rotatably connected to one side of the slide rod 2.

[0028] While the first rotating rod 7 rotates clockwise, it drives the second connecting rod 1002 through the first connecting rod 1001 to push and pull one end of the traction rod 1003 and the push-pull rod 1004. At the same time, the other end of the traction rod 1003 rotates in the fixed frame 1 through the second rotating rod 1005, and the other end of the push-pull rod 1004 pushes and pulls the slide rod 2 up and down, thereby causing the slide rod 2 to drive the punching assembly 3 to move up and down. It is worth noting that during the process of the intermittent conveying mechanism 8 driving the transmission belt 5 to move, the slide rod 2 drives the punching assembly 3 away from the conveying packaging bag through the push-pull mechanism 10. During the process of the transmission belt 5 stopping, the slide rod 2 drives the punching assembly 3 to perform the punching task on the packaging bag through the push-pull mechanism 10.

[0029] A fixing rod 11 is provided on the inner side of the fixing frame 1 at a position away from the push-pull mechanism 10. The two ends of the fixing rod 11 are fixedly connected to the inner walls of the two sides of the fixing frame 1, respectively. A rocker plate 12 is rotatably provided on the outer peripheral wall of the fixing rod 11. One end of the rocker plate 12 is rotatably connected to one side of the slide rod 2. A clamping plate 13 is fixedly provided on the bottom side of the rocker plate 12 away from the slide rod 2. When the slide rod 2 moves upward, it drives one end of the rocker plate 12 to move upward. At the same time, the middle part of the rocker plate 12 rotates on the second rotating rod 1005, thereby causing the other end of the rocker plate 12 to move downward and drive the clamping plate 13 to abut against the packaging bag at the top of the transmission belt 5. The reverse is also true. It is particularly important to note that at the moment the clamping plate 13 abuts against the transmission belt 5, when the intermittent conveying mechanism 8 drives the punched hole on the packaging bag to the side of the bottom position line of the second transmission wheel 802, the punched hole of the packaging bag breaks through the pull of the clamping plate 13 and the intermittent conveying mechanism 8, so as to realize the cutting task of the packaging bag.

[0030] In use, the packaging bag to be cut is placed on the transmission belt 5, and then the first rotating rods 7 on both sides of the fixing frame 1 are rotated clockwise at the same time. The two rotating first rotating rods 7 drive the packaging bag to move intermittently through the intermittent conveying mechanism 8. The clockwise rotation of the first rotating rods 7 drives the push-pull mechanism 10 to push and pull the slide rod 2 up and down. At the same time, the slide rod 2 moves up or down, and the seesaw 12 drives the clamping plate 13 to move in the opposite direction of the slide rod 2. Finally, the intermittently moving packaging bag is continuously cut through the cooperation of the push-pull mechanism 10, the punching assembly 3 and the clamping plate 13.

[0031] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Although the present utility model has been disclosed above with reference to a preferred embodiment, it is not intended to limit the present utility model. Any person skilled in the art can make some modifications or alterations to the above-disclosed technical content to create equivalent embodiments without departing from the scope of the present utility model. Any simple modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model without departing from the scope of the present utility model shall still fall within the scope of the present utility model.

Claims

1. A cutting device for processing packaging bags, comprising a fixing frame (1), characterized in that: The fixed frame (1) is equipped with a conveying mechanism. The conveying mechanism includes two first rotating rods (7) that are rotatably connected to the inner walls of both sides of the fixed frame (1). Each of the two first rotating rods (7) is equipped with a push-pull mechanism (10). Each of the two sides of the top of the fixed frame (1) is slidably provided with a sliding rod (2). The bottom of each of the two sliding rods (2) is simultaneously equipped with a punching assembly (3). Each of the two sliding rods (2) is equipped with a pressing assembly on one side. The conveying mechanism is used to intermittently displace the packaging bag. The push-pull mechanism (10) is used to cooperate with the conveying mechanism to push and pull the sliding rods (2).

2. The cutting device for processing packaging bags according to claim 1, characterized in that, The punching assembly (3) includes a punching plate (301) fixedly connected to the bottom end of the slide bar (2). Two symmetrical floating pressure plates (302) are installed on both sides of the punching plate (301). A pressure plate (303) is provided at the bottom of the floating pressure plate (302). The two ends of the pressure plate (303) are fixedly connected to the inner walls of both sides of the fixed frame (1).

3. The cutting device for processing packaging bags according to claim 1, characterized in that, The conveying mechanism also includes two rotating rollers (4) rotatably connected to the fixed frame (1). The outer peripheral walls of the two rotating rollers (4) are simultaneously fitted with two transmission belts (5). An intermittent conveying mechanism (8) that drives the transmission belts (5) to move intermittently is installed between the first rotating rod (7) and the transmission belts (5).

4. The cutting device for processing packaging bags according to claim 3, characterized in that, The intermittent conveying mechanism (8) includes a first transmission wheel (801) and a second transmission wheel (802) rotatably connected to the inner wall of the fixed frame (1). The first transmission wheel (801) and the second transmission wheel (802) are arranged side by side, with the top of the first transmission wheel (801) and the bottom of the second transmission wheel (802) respectively in contact with the upper and lower sides of the top of the transmission belt (5). A full-tooth gear (803) is fixedly installed on one side of the second transmission wheel (802), and an incomplete gear (804) is fixedly installed on the outer peripheral wall of the first rotating rod (7). The tooth area of ​​the incomplete gear (804) meshes with the full-tooth gear (803).

5. The cutting device for processing packaging bags according to claim 3, characterized in that, The transmission belt (5) is made of rubber material, and several holes are evenly provided on the transmission belt (5) to avoid the puncture assembly (3).

6. The cutting device for processing packaging bags according to claim 1, characterized in that, The push-pull mechanism (10) includes a first connecting rod (1001) fixedly connected to the end of the first rotating rod (7). The end of the first connecting rod (1001) away from the first rotating rod (7) is rotatably connected to a second connecting rod (1002). The end of the second connecting rod (1002) away from the first connecting rod (1001) is rotatably connected to a traction rod (1003) and a push-pull rod (1004). The end of the traction rod (1003) away from the second connecting rod (1002) is fixedly connected to a second rotating rod (1005). The two ends of the second rotating rod (1005) are rotatably connected to the inner walls of both sides of the fixed frame (1). The end of the push-pull rod (1004) away from the second connecting rod (1002) is rotatably connected to one side of the slide rod (2).

7. The cutting device for processing packaging bags according to claim 1, characterized in that, The pressing assembly includes a fixed rod (11) fixedly installed on the side of the fixed frame (1) away from the push-pull mechanism (10). The outer peripheral wall of the fixed rod (11) is rotatably connected to a rocker (12). One end of the rocker (12) is rotatably connected to a sliding rod (2). A clamp (13) is fixedly installed on the bottom of the rocker (12) away from the sliding rod (2).

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