A bag cutting apparatus for rust-proof packaging film bags

Abstract

The utility model relates to thin film cutting equipment technical field discloses a kind of bag cutting equipment of antirust packaging film bag, including base and the cutting assembly being set on it, the cutting assembly includes guide rail, sliding block, support rod and blade, the blade pad and blade slot are provided on the base, the blade pad is located the movement path of the blade down, the blade slot is correspondingly set with the blade pad, when the blade down, first contact the blade pad and buffer, then cut into the blade slot to complete the cutting of film.The utility model passes through the buffering effect of blade pad, effectively avoids the direct impact of blade edge and hard base, solves the problem that blade is prone to blade curling, wears quickly and has short service life in prior art, significantly prolongs the service life of blade, and guarantees cutting quality, improves the durability of equipment.

Description

Technical Field

[0001] This utility model relates to the field of film cutting equipment technology, and in particular to a bag cutting device for rust-proof packaging film bags. Background Technology

[0002] Rust-proof packaging film bags are an important industrial packaging material, widely used for rust protection of mechanical parts, electronic components, and metal products. In actual production applications, these film bags are usually supplied in continuous rolls and need to be cut into bag-shaped or sheet-shaped structures of specific lengths according to the size of the packaged items. Therefore, efficient and precise film cutting equipment is a key link in the packaging production line.

[0003] Existing film cutting equipment typically uses a vertically falling blade to cut the film on a conveyor platform. The general process is as follows: the film is conveyed to the predetermined cutting position and then stops; the cutting blade, driven by a drive mechanism, rapidly descends and cuts the film laterally.

[0004] To ensure the film is completely and cleanly cut, the end of the blade's downward stroke must be below the plane of the film. During this process, the blade's cutting edge will inevitably come into direct physical contact with the worktable or base supporting the film. To ensure the stability and durability of the cutting platform, this worktable or base is typically made of a hard material such as metal.

[0005] However, this rigid impact between the blade and the hard base generates enormous impact stress on the blade, easily causing it to curl, chip, or wear rapidly—a phenomenon known as "blade curling." This not only significantly shortens the blade's lifespan and increases maintenance costs and downtime due to frequent blade replacement or resharpening, but the dulled blade also reduces cutting quality, easily causing burrs, tears, or even incomplete cuts on films, affecting the quality and appearance of the finished packaging bags.

[0006] Therefore, this utility model proposes a bag-cutting device for rust-proof packaging film bags to overcome the shortcomings of the prior art. Utility Model Content

[0007] In view of the problems in the existing bag cutting equipment for rust-proof packaging film bags, where the cutting blade directly impacts the hard base during use, resulting in easy bending and wear of the blade, short service life, and reduced cutting quality, this utility model aims to provide a bag cutting equipment for rust-proof packaging film bags with an improved structure that can effectively solve the above problems.

[0008] This utility model provides a bag cutting device for rust-proof packaging film bags, including: a base, a first support block and a second support block fixedly connected to the top of the base, a roll mounted on the second support block, and a cutting assembly disposed on the base; the cutting assembly includes two guide rails fixedly connected to the base in a vertical direction, two sliders respectively slidably connected to the guide rails, a support rod connected to one side of the two sliders facing each other, and a blade fixedly connected to the bottom of the support rod; and a blade pad disposed on the base and a blade groove formed on the base.

[0009] The drum is located between the first support block and the cutting assembly, and the blade pad is located below the downward movement path of the blade. Both the blade pad and the blade groove correspond to the cutting position of the blade. By adding the blade pad between the blade and the base, the cushioning effect of the blade pad absorbs the impact force when the blade moves downward, while the blade groove provides sufficient cutting depth for the blade, thereby avoiding direct collision between the blade edge and hard components.

[0010] Preferably, the blade pad is disposed on the top surface of the base, and the blade groove is a groove formed in and through the blade pad. This structure integrates the buffer and the structure that makes way for the blade tip onto the blade pad, resulting in a more compact structure.

[0011] Preferably, the bag-cutting equipment for the rust-proof packaging film bag further includes a workbench, which is fixedly connected to the base to provide a platform for carrying and collecting the cut film bags.

[0012] More preferably, the workbench is located on the downstream conveying side of the cutting assembly. This arrangement ensures that the cut film bags can be smoothly transferred from the cutting area to the collection area, avoiding material accumulation.

[0013] Preferably, the support rod is fixedly connected to the opposite side of the two sliders. This rigid connection ensures that when the slider moves up and down along the guide rail, its motion can be accurately and stably transmitted to the blade, thus ensuring the smoothness of the cutting action.

[0014] Preferably, the roll is rotatably mounted on the second support block. The rotation of the roll is a prerequisite for the stable and continuous conveying of the film bags, providing a material basis for automated cutting.

[0015] Preferably, the device further includes a rotating assembly, on which a roll block is rotatably connected, and the rotating assembly provides a controllable power source for the entire conveying system.

[0016] More preferably, the roll block is driven to the roll drum. Through this drive connection, the power generated by the rotating component can be effectively transmitted to the roll drum, thereby achieving precise control over the conveying speed and length of the film bag.

[0017] This utility model has the following beneficial effects: 1. This utility model solves the problem in the prior art where the blade directly impacts the hard base during cutting, resulting in easy blade rolling, rapid wear, and short service life, by setting a blade pad and a blade groove on the base, and the blade first contacts the blade pad for buffering when descending, and then cuts into the blade groove. It achieves the technical effect of effectively buffering the impact force of the blade, protecting the blade edge, significantly extending the service life of the blade, and ensuring that the film is completely cut.

[0018] 2. This utility model solves the problem of unstable cutting structure and easy shaking leading to low cutting accuracy in the prior art by using two vertical guide rails and two sliders, and connecting the sliders with a support rod to fix the blade. It achieves the technical effect of ensuring that the blade remains highly stable and vertical during the downward cutting process, thus improving the cutting accuracy.

[0019] 3. This utility model solves the problems of uneven manual feeding or simple feeding devices that cause film wrinkling and deviation in the prior art by setting a first support block to support the film roll and a rotatably installed drum to transport the film. The drum is driven by a rotating component and a drive connection between the drum and the block. This achieves the technical effects of smooth film transport, stable and controllable film length, and reduced errors in subsequent cutting processes. Attached Figure Description

[0020] Figure 1 This is a three-dimensional schematic diagram of a bag-cutting device for rust-proof packaging film bags proposed in this utility model; Figure 2 This is a schematic diagram of the support rod of a bag-cutting device for rust-proof packaging film bags proposed in this utility model; Figure 3 This is a schematic diagram of the base of a bag-cutting device for rust-proof packaging film bags proposed in this utility model; Figure 4 This is a schematic diagram of the roll block structure of a bag cutting device for rust-proof packaging film bags proposed in this utility model.

[0021] Legend: 1. Base; 2. Workbench; 3. Cutting assembly; 301. Blade pad; 302. Blade groove; 303. Guide rail; 304. Slider; 305. Support rod; 306. Blade; 4. First support block; 5. Drum; 6. Rotating assembly; 601. Roll block. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model. Example

[0023] Please refer to Figures 1 to 4 This utility model provides a bag cutting device for rust-proof packaging film bags, which aims to solve the problem in the prior art where the cutting blade directly impacts the hard base, causing the blade to easily roll and wear quickly.

[0024] like Figure 1 , Figure 3 and Figure 4 As shown, the bag cutting device for the rust-proof packaging film bag includes a base 1, which serves as the mounting base for the entire device. A first support block 4 and a second support block are fixedly connected to the top of the base 1. A roll 5 is mounted on the second support block and is rotatably mounted on the second support block. The roll 5 is located between the first support block 4 and the cutting component 3.

[0025] The base 1 is also equipped with a cutting component 3, such as Figure 1 and Figure 2 As shown, the cutting assembly 3 includes two guide rails 303, which are vertically and fixedly connected to the base 1. The cutting assembly 3 also includes two sliders 304, which are slidably connected to the corresponding guide rails 303. The support rod 305 is horizontally set and fixedly connected to the opposite side of the two sliders 304. The blade 306 is fixedly connected to the bottom of the support rod 305.

[0026] The buffer cutting structure in this embodiment is as follows: Figure 1 and Figure 3 As shown, a blade pad 301 is provided on the base 1, and the blade pad 301 is located below the movement path of the blade 306. A blade groove 302 is also provided on the base 1, and both the blade pad 301 and the blade groove 302 correspond to the cutting position of the blade 306. In one specific embodiment, the blade pad 301 is provided on the top surface of the base 1, and the blade groove 302 is a groove formed in the blade pad 301 and extends through the blade pad 301.

[0027] To achieve a complete cutting and collection process, the bag-cutting equipment for the rust-proof packaging film bags also includes a worktable 2 mounted on the base 1. Please refer to... Figure 1The workbench 2 is fixedly connected to the base 1 and is located on the downstream conveying side of the cutting assembly 3, for receiving the film bags cut by the blade 306.

[0028] like Figure 1 and Figure 4 As shown, the device also includes a rotating assembly 6, on which a roll block 601 is rotatably connected. In order to achieve stable delivery of film bags, the roll block 601 is connected to the roll 5 via a transmission. The rotating assembly 6 drives the roll block 601 to rotate, thereby driving the roll 5 to rotate to deliver the film.

[0029] For the power mechanism that drives the cutting component 3 to achieve vertical reciprocating motion, those skilled in the art can use a variety of conventional methods such as a motor combined with a lead screw, a cylinder or a hydraulic cylinder. Its specific driving structure is connected to the slider 304 or the support rod 305, which is a well-known technology in the field and will not be described in detail here.

[0030] Based on the above embodiments, the present invention may further include the following preferred technical solutions: As a preferred embodiment, please refer to Figure 1 and Figure 3 The blade pad 301 is disposed on the top surface of the base 1, and the blade groove 302 is a groove formed in the blade pad 301 and extending through the blade pad 301.

[0031] As a preferred embodiment, please refer to Figure 1 A workbench 2 is also fixedly connected to the base 1. In a further embodiment, the workbench 2 is located on the downstream conveying side of the cutting assembly 3.

[0032] As a preferred embodiment, please refer to Figure 2 The support rod 305 is fixedly connected to the opposite side of the two sliders 304.

[0033] As a preferred embodiment, please refer to Figure 1 The drum 5 is rotatably mounted on the second support block.

[0034] As a preferred embodiment, please refer to Figure 1 and Figure 4 The device also includes a rotating assembly 6, on which a roll block 601 is rotatably connected. In a further embodiment, the roll block 601 is drivenly connected to the roll 5.

[0035] The working principle of the bag-cutting equipment for the rust-proof packaging film bag of this utility model is as follows: The anti-rust packaging film bag roll is installed on the first support block 4. One end of the film bag passes through the roll 5 and is laid flat above the blade pad 301. When feeding is required, the rotating component 6 is started and drives the roll block 601 to rotate. The roll block 601 is connected to the roll 5 to drive the roll 5 to rotate. The roll 5 smoothly conveys the film bag forward to the bottom of the cutting component 3.

[0036] Once the film bag has been conveyed to the predetermined length, the cutting assembly 3 is activated. The two sliders 304 slide vertically downward along the two guide rails 303 under the drive of the drive source. Since the support rod 305 is fixedly connected to the slider 304 and the blade 306 is fixedly connected to the support rod 305, the slider 304 drives the support rod 305 and the blade 306 to move downward synchronously.

[0037] During the downward movement of the blade 306, the cutting edge of the blade 306 first contacts the blade pad 301 on the base 1. The blade pad 301 buffers the downward impact of the blade 306, preventing the cutting edge of the blade 306 from directly colliding with the rigid component and becoming chipped. After the blade pad 301 buffers the impact, the blade 306 continues to move downward and cuts into the blade groove 302. The blade groove 302 is opened in the blade pad 301 and penetrates the blade pad 301. The entry of the blade 306 into the blade groove 302 ensures that the film bag is completely cut.

[0038] After the film bag is cut, it falls onto the workbench 2. The cutting assembly 3 then drives the blade 306 to move upward and reset, waiting for the next feeding and cutting cycle. Through the synergistic effect of the blade pad 301 and the blade groove 302, this utility model solves the problem of easy wear and rolling of the cutting blade in the prior art.

[0039] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A bag-cutting device for rust-proof packaging film bags, comprising: Base (1); The first support block (4) is fixedly connected to the top of the base (1); The second support block is fixedly connected to the top of the base (1); A reel (5) is mounted on the second support block; A cutting assembly (3) is disposed on the base (1), and the roller (5) is located between the first support block (4) and the cutting assembly (3). The cutting assembly (3) includes: Two guide rails (303) are fixedly connected to the base (1) in the vertical direction; Two sliders (304) are slidably connected to the corresponding guide rails (303). A support rod (305) is horizontally arranged and connected to the opposite side of the two sliders (304); Blade (306), the blade (306) is fixedly connected to the bottom of the support rod (305); The base (1) is characterized by having a blade pad (301) provided on it, the blade pad (301) being located below the movement path of the blade (306), and a blade groove (302) being provided on the base (1), and both the blade pad (301) and the blade groove (302) corresponding to the cutting position of the blade (306).

2. The bag-cutting device according to claim 1, characterized in that, The blade pad (301) is disposed on the top surface of the base (1), and the blade groove (302) is a groove formed in the blade pad (301) and extending through the blade pad (301).

3. The bag-cutting device according to claim 1, characterized in that, A workbench (2) is also fixedly connected to the base (1).

4. The bag-cutting device according to claim 3, characterized in that, The workbench (2) is located on the downstream conveying side of the cutting assembly (3).

5. The bag-cutting device according to claim 1, characterized in that, The support rod (305) is fixedly connected to the opposite side of the two sliders (304).

6. The bag-cutting device according to claim 1, characterized in that, The roll (5) is rotatably mounted on the second support block.

7. The bag-cutting device according to claim 1, characterized in that, The device also includes a rotating assembly (6); a roll block (601) is rotatably connected to the opposite side of the rotating assembly (6).

8. The bag-cutting device according to claim 7, characterized in that, The roll block (601) is connected to the roll drum (5) in a driving connection.

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