Guiding structure for preventing cutter from deviating and bag making machine

Abstract

The utility model discloses a guide structure for preventing a cutter from deviating and a bag making machine, relates to the technical field of bag making machines, and aims to solve the problem that the cutting position deviates due to the fact that the cutter needs high-frequency reciprocating motion, the guide structure comprises an anti-deviation cutting assembly, the anti-deviation cutting assembly comprises a connecting frame, sliding holes are formed in the two sides of the connecting frame, and the sliding holes are communicated with the connecting frame. And sliding pieces are movably connected to the interiors of the sliding holes correspondingly, moving rods are fixedly connected to the opposite sides of the sliding pieces correspondingly, cutting knives are fixedly connected to the outer sides of the moving rods correspondingly, connecting pieces are fixedly connected to the outer sides of the sliding pieces correspondingly, and the connecting pieces are located in the connecting frame. The guide structure for preventing the cutter from deviating and the bag making machine have the technical effects that the position of the cutter can be effectively and accurately restrained and dynamically adjusted, the deviation phenomenon of the cutter after multiple times of cutting is effectively prevented, and the cutting operation is ensured to always keep high precision and stability.

Description

Technical Field

[0001] This utility model relates to the field of bag making machine technology, and in particular to a guide structure and bag making machine for preventing cutter misalignment. Background Technology

[0002] A bag-making machine is a machine used to produce various plastic or other material packaging bags. Its processing range includes packaging bags of various sizes and thicknesses made of plastic or other materials. Due to its high degree of automation and processing efficiency, it is widely used by packaging bag manufacturing and processing enterprises.

[0003] In the precision machining process of existing devices, the cutting blade needs to perform frequent reciprocating motion. This high-frequency mechanical motion makes it difficult for the cutting blade to maintain a stable state during continuous operation, and it is prone to changes. The predetermined trajectory of the cutting blade will deviate from the preset path, resulting in deviations in the cutting position. Utility Model Content

[0004] This utility model discloses a guide structure and a bag making machine to prevent cutter misalignment, aiming to solve the technical problem that the cutter is prone to slight movement in position during processing due to the need for high-frequency reciprocating motion, resulting in the offset of the cutting position.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A guide structure for preventing cutter deviation includes an anti-deviation cutting assembly. The anti-deviation cutting assembly includes a connecting frame with sliding holes on both sides. Sliding members are movably connected inside the sliding holes, and a moving rod is fixedly connected between opposite sides of the two sliding members. A cutter is fixedly connected to the outer side of each moving rod. A connecting member is fixedly connected to the outer side of each sliding member. The connecting member is located inside the connecting frame, and its outer side is slidably connected inside the sliding hole. An electric telescopic rod and a spring rod are fixedly connected to the bottom of the two connecting members, respectively. A rotating gear is movably connected to the outer side of the sliding member near the spring rod. The rotating gear is located inside the connecting frame, and a gear plate is fixedly connected inside the connecting frame on the side near the spring rod. The gear plate and the rotating gear mesh through tooth grooves.

[0007] Equipped with an anti-deviation cutting component, when bag cutting is required, the electric telescopic rod activates, pushing the sliding component through the connector into the sliding hole, thereby moving the moving rod and the cutting blade to adjust the cutting blade to the appropriate cutting starting position. The connector and sliding component connected to one end of the spring rod move with the whole assembly, and the spring rod plays a certain role in buffering and fine-tuning, ensuring the smooth adjustment of the cutting blade position. During the cutting process, as the sliding component moves, the outer rotating gear rotates accordingly. Since the gear plate meshes with the rotating gear and the gear plate is fixed on the connecting frame, when the sliding component exhibits an unexpected deviation trend (such as left or right deviation), the rotation of the rotating gear will be restricted by the gear plate. This deviation will change the meshing state between the rotating gear and the gear plate, generating a resistance force. Therefore, it can prevent the slider from shifting excessively, ensuring that the cutting blade does not shift during cutting. For the normal up-and-down sliding cutting action of the slider, the meshing relationship between the gear plate and the rotating gear will not interfere, because it restricts the slider's possible shift in the non-up-and-down sliding direction within the plane. At the same time, the spring rod will extend and retract according to the force on the slider, providing reverse support force to further stabilize the position of the cutting blade, ensuring that the cutting process proceeds smoothly and avoiding the cutting blade shift affecting the cutting accuracy. During the process, it effectively prevents the cutting blade from shifting after multiple cuts, and can effectively constrain and dynamically adjust the position of the cutting blade, effectively preventing the cutting blade from shifting after multiple cuts, ensuring that the cutting operation always maintains high precision and stability.

[0008] In a preferred embodiment, both ends of the anti-offset cutting assembly are provided with pressing components. Each pressing component includes a sliding plate. A movable frame is fixedly connected between the opposite sides of the two sliding plates. Multiple pressing springs are fixedly connected inside the bottom of each movable frame. Pressing plates are fixedly connected to the bottom ends of the multiple pressing springs. Fixing members are fixedly connected to the opposite sides of the two sliding plates. Movable plates are movably connected to the outer sides of the fixing members. Displacement members are movably connected to the inner bottom of each movable plate. Telescopic driving members are fixedly connected to one side of each displacement member. Slide plates are movably connected to the bottom ends of the two displacement members. The top of the slide plates is fixedly connected to the top of the telescopic driving members. Symmetrical through holes are provided on each sliding plate. Guide posts are movably connected inside each through hole.

[0009] Equipped with a pressing component, when the bag is conveyed to the cutting position, the telescopic drive retracts, pushing the shifting component to slide on the slide plate. The shifting component drives the movable plate to rotate around the fixed component, causing the movable plate to gradually press down. This, in turn, moves the moving frame, pressing spring, and pressing plate downwards as a whole. As the movable plate presses down, the pressing plate begins to contact the upper side of the bag. With continued pressing, the pressing spring is compressed, generating elastic pressure that firmly presses both ends of the bag onto the worktable. The elasticity of the pressing spring can adapt to bags of different thicknesses and materials, providing sufficient pressure to secure the bag while preventing excessive pressure from damaging it. During the pressing process, the sliding plate can slide smoothly within the perforation via the guide post, ensuring the smooth operation of the assembly during pressing. The stability and perpendicularity of the components ensure that the pressing plate presses the bag evenly. After cutting, the telescopic drive extends, and the displacement component slides in the opposite direction along the slide plate, causing the movable plate to rotate in the opposite direction around the fixed component. This causes the moving frame, pressing spring, and pressing plate to move upward as a whole. The pressing spring returns to its natural extended state, and the pressing plate leaves the bag, completing one pressing cycle. The system then waits for the next bag to be delivered for the next round of pressing. During the process, pressure is applied to both ends of the bag to firmly fix it on the worktable, preventing the bag from shifting or wrinkling due to external forces (such as cutting blade friction, airflow, etc.) during cutting. This ensures accurate cutting trajectory, neat and smooth cutting edges, reduces quality problems such as burrs and slanted cuts, and improves product appearance quality and pass rate.

[0010] A bag-making machine includes a guide structure for preventing cutter misalignment as described above, and a bag-making machine body. The top end of the bag-making machine body is fixedly connected to the bottom end of a connecting frame, and the top end of the bag-making machine body is fixedly connected to the bottom end of a slide plate. The top end of the bag-making machine body is also fixedly connected to the bottom end of a guide column. A retaining frame is fixedly connected to the top end of the bag-making machine body, and a rotating roller is movably connected to the inner side of the retaining frame. A worktable is fixedly connected to the top end of the bag-making machine body. The worktable is located inside the connecting frame and between symmetrical slide plates, and a conveying device is provided inside the worktable. A fixing rod is fixedly connected to the inner side of the worktable away from the retaining frame, and a leveling roller is movably connected to the outer side of the fixing rod. A collecting frame is fixedly connected to the inner side of the top end of the bag-making machine body, and the collecting frame is located on one side of the leveling roller. A protective railing is fixedly connected to the top end of the collecting frame.

[0011] As can be seen from the above, the guide structure for preventing cutter deviation provided by this utility model has the technical effect of effectively constraining and dynamically adjusting the position of the cutter, effectively preventing the deviation of the cutter after multiple cuts, and ensuring that the cutting operation always maintains high precision and stability. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of a guide structure for preventing cutter misalignment and the overall structure of a bag-making machine proposed in this utility model.

[0013] Figure 2 This utility model provides a guide structure to prevent cutter misalignment and a schematic diagram of the upper structure of the bag-making machine body.

[0014] Figure 3 This utility model presents a guide structure for preventing cutter misalignment and a schematic diagram of the structure above the worktable of a bag-making machine.

[0015] Figure 4 This is a schematic diagram of an anti-deviation cutting component structure, which is a guide structure for preventing cutter deviation proposed in this utility model.

[0016] Figure 5 This is a schematic diagram of an anti-deviation cutting component structure, which is a guide structure for preventing cutter deviation proposed in this utility model.

[0017] In the attached diagram: 1. Bag making machine body; 2. Fixing frame; 3. Rotating roller; 4. Leveling roller; 5. Collection frame; 6. Anti-deviation cutting assembly; 601. Connecting frame; 602. Electric telescopic rod; 603. Connecting part; 604. Sliding part; 605. Moving rod; 606. Cutting knife; 607. Rotating gear; 608. Gear plate; 609. Spring rod; 7. Pressing assembly; 701. Sliding plate; 702. Guide column; 703. Fixing part; 704. Movable plate; 705. Displacement part; 706. Pressing plate; 707. Slide plate; 708. Pressing spring; 709. Telescopic drive component; 710. Moving frame; 8. Conveying device; 9. Workbench; 10. Guardrail; 11. Fixing rod. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0019] The guide structure disclosed in this utility model for preventing cutter misalignment is mainly applied to scenarios where the cutter needs to perform high-frequency reciprocating motion, making it prone to slight positional movement during processing and causing the cutting position to shift.

[0020] Reference Figures 1-5A guide structure for preventing cutter misalignment includes an anti-misalignment cutting component 6. The anti-misalignment cutting component 6 includes a connecting frame 601. Sliding holes are provided on both sides of the connecting frame 601. Sliding members 604 are slidably connected inside each sliding hole. Moving rods 605 are bolted between opposite sides of the two sliding members 604. Cutting blades 606 are bolted to the outer sides of each moving rod 605. Connecting members 603 are bolted to the outer sides of each sliding member 604. The connecting members 603 are located on the connecting frame 601. Inside the connector 601, the outer sides of the connectors are slidably connected inside the sliding holes. The bottoms of the two connectors 603 are respectively connected to an electric telescopic rod 602 and a spring rod 609 by bolts. The outer side of the sliding part 604 near the spring rod 609 is rotatably connected to a rotating gear 607. The rotating gear 607 is located inside the connector 601, and the inner side of the connector 601 near the spring rod 609 is connected to a gear plate 608 by bolts. The gear plate 608 and the rotating gear 607 mesh with each other through tooth grooves.

[0021] Reference Figure 1 , Figure 2 and Figure 5 In a preferred embodiment, both ends of the anti-offset cutting component 6 are provided with pressing components 7. Each pressing component 7 includes a sliding plate 701. A movable frame 710 is bolted between opposite sides of the two sliding plates 701. Multiple pressing springs 708 are bolted to the bottom of each movable frame 710. A pressing plate 706 is bolted to the bottom of each of the multiple pressing springs 708. A fixing member 703 is bolted to the opposite sides of the two sliding plates 701. The outer side of 3 is rotatably connected to a movable plate 704, and the inner side of the bottom end of the movable plate 704 is rotatably connected to a shifting member 705. One side of the shifting member 705 is bolted to a telescopic drive member 709. The bottom ends of the two shifting members 705 are slidably connected to a sliding groove plate 707. The top end of the sliding groove plate 707 and the top end of the telescopic drive member 709 are bolted together. The sliding plate 701 is provided with symmetrical through holes, and the inside of the through holes is slidably connected to a guide post 702.

[0022] Reference Figure 1 , Figure 2 and Figure 3A bag-making machine includes a guide structure for preventing cutter misalignment as described above, and a bag-making machine body 1. The top end of the bag-making machine body 1 is bolted to the bottom end of a connecting frame 601, and the top end of the bag-making machine body 1 is bolted to the bottom end of a slide plate 707. The top end of the bag-making machine body 1 is also bolted to the bottom end of a guide column 702. A retaining frame 2 is bolted to the top end of the bag-making machine body 1, and a rotating roller 3 is rotatably connected to the inner side of the retaining frame 2. A workbench 9 is bolted to the top. The workbench 9 is located inside the connecting frame 601 and between the symmetrical slide plates 707. A conveying device 8 is installed inside the workbench 9. A fixing rod 11 is bolted to the end of the workbench 9 away from the fixing frame 2. A leveling roller 4 is rotatably connected to the outside of the fixing rod 11. A collection frame 5 is bolted to the top of the bag making machine body 1. The collection frame 5 is located on one side of the leveling roller 4. A guardrail 10 is bolted to the top of the collection frame 5.

[0023] Working principle: When in use, the bag is wound on the rotating roller 3, which rotates inside the fixed frame 2. As the bag making machine works, under the action of friction and other forces, the rotating roller 3 gradually releases the bag material. The conveying device 8 inside the workbench 9 is started, and the conveyor belt of the conveying device 8 starts to run, driving the front end of the bag forward.

[0024] When the bag moves to the corresponding position below the anti-deviation cutting component 6, the pressing component 7 starts to work, the telescopic drive component 709 retracts, pushes the shifting component 705 to slide on the slide plate 707, drives the movable plate 704 to rotate and press down around the fixed component 703, the moving frame 710, the pressing spring 708, and the pressing plate 706 move downward as a whole, the pressing spring 708 is compressed, and the pressing plate 706 firmly presses both ends of the bag onto the worktable 9;

[0025] While the bag is being pressed and secured, the anti-deviation cutting assembly 6 starts to operate. The electric telescopic rod 602 is activated and pushes the sliding member 604 to slide in the sliding hole of the connecting frame 601 through the connector 603, which drives the moving rod 605 and the cutting blade 606 to move and start cutting the bag. During the cutting process, if the cutting blade 606 tends to deviate, the spring rod 609 extends and retracts to provide reverse support force. The rotating gear 607 meshes with the gear plate 608 to limit the excessive deviation of the sliding member 604 and ensure accurate cutting.

[0026] After cutting, the pressing component 7 is activated, the telescopic drive component 709 extends, the shifting component 705 slides in the opposite direction, the movable plate 704 rotates in the opposite direction, the moving frame 710, the pressing spring 708, and the pressing plate 706 move upward as a whole, the pressing plate 706 leaves the bag, and the bag moves to the fixed rod 11 under the drive of the conveying device 8. The leveling roller 4, which is rotatably connected to the outside of the fixed rod 11, performs a leveling operation on the bag. The leveling roller 4 can eliminate wrinkles, bends, etc. on the surface of the bag.

[0027] After being cut, the bags fall into the collection frame 5 inside the top of the bag making machine 1 under the action of gravity. The guardrail 10 at the top of the collection frame 5 can prevent the bags from accidentally popping out of the collection frame 5 during the falling process, thus completing one bag making, cutting and collecting cycle.

[0028] The above description is merely a preferred embodiment of this utility model, but the protection scope of this utility model is not limited thereto. The substitutions may be replacements of some structures, devices, or method steps, or they may be complete technical solutions. Equivalent substitutions or modifications made based on the technical solution and inventive concept of this utility model should all be covered within the protection scope of this utility model.

Claims

1. A guide structure for preventing cutter misalignment, comprising an anti-misalignment cutting component (6), characterized in that, The anti-deviation cutting assembly (6) includes a connecting frame (601). Sliding holes are provided on both sides of the connecting frame (601). Sliding members (604) are movably connected inside each sliding hole. A moving rod (605) is fixedly connected between opposite sides of the two sliding members (604). A cutting blade (606) is fixedly connected to the outer side of the moving rod (605). Connecting members (603) are fixedly connected to the outer sides of each sliding member (604). The connecting members (603) are located inside the connecting frame (601), and their outer surfaces... Both sides are slidably connected inside the sliding hole. The bottom of the two connecting parts (603) is fixedly connected to an electric telescopic rod (602) and a spring rod (609). The outer side of the sliding part (604) near the spring rod (609) is movably connected to a rotating gear (607). The rotating gear (607) is located inside the connecting frame (601), and a gear plate (608) is fixedly connected inside the side of the connecting frame (601) near the spring rod (609). The gear plate (608) and the rotating gear (607) mesh with each other through tooth grooves.

2. The guide structure for preventing cutter misalignment according to claim 1, characterized in that, Both ends of the anti-offset cutting component (6) are provided with pressing components (7). The pressing component (7) includes a sliding plate (701). A movable frame (710) is fixedly connected between the opposite sides of the two sliding plates (701), and multiple pressing springs (708) are fixedly connected inside the bottom end of the movable frame (710).

3. The guide structure for preventing cutter misalignment according to claim 2, characterized in that, Each of the multiple pressing springs (708) has a pressing plate (706) fixedly connected to its bottom end. Each of the two sliding plates (701) has a fixing member (703) fixedly connected to its opposite side. Each fixing member (703) has a movable plate (704) movably connected to its outer side. Each movable plate (704) has a shifting member (705) movably connected to its bottom inner side. Each shifting member (705) has a telescopic drive member (709) fixedly connected to one side of its side.

4. The guide structure for preventing cutter misalignment according to claim 3, characterized in that, The bottom ends of the two displacement members (705) are movably connected to a sliding plate (707). The top end of the sliding plate (707) is fixedly connected to the top end of the telescopic drive member (709). The sliding plate (701) is provided with symmetrical through holes, and the inside of the through holes is movably connected to a guide post (702).

5. A bag-making machine, comprising a guide structure for preventing cutter misalignment as described in any one of claims 4, characterized in that, It also includes a bag making machine body (1), the top of the bag making machine body (1) is fixedly connected to the bottom of the connecting frame (601), the top of the bag making machine body (1) is fixedly connected to the bottom of the slide plate (707), and the top of the bag making machine body (1) is fixedly connected to the bottom of the guide column (702). The top of the bag making machine body (1) is fixedly connected to a retaining frame (2).

6. A bag-making machine according to claim 5, characterized in that, The inner side of the fixed frame (2) is movably connected to a rotating roller (3), and the top of the bag making machine body (1) is fixedly connected to a worktable (9). The worktable (9) is located inside the connecting frame (601) and between the symmetrical slide plate (707), and a conveying device (8) is provided inside the worktable (9).

7. A bag-making machine according to claim 6, characterized in that, The workbench (9) is fixedly connected to a fixed rod (11) at the end away from the fixed frame (2). A leveling roller (4) is movably connected to the outside of the fixed rod (11). A collection frame (5) is fixedly connected to the top of the bag making machine body (1), and the collection frame (5) is located on one side of the leveling roller (4). A guardrail (10) is fixedly connected to the top of the collection frame (5).

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