Cutting device for plastic packaging bag production

By designing a cutting device for the production of plastic packaging bags, using technical means such as conveying rollers, cylinders and cutting knives, the problems of low manual cutting efficiency and uneven cutting lines are solved, and efficient and stable cutting effects are achieved.

CN222858114UActive Publication Date: 2025-05-13QINGDAO HUAQIANG PACKAGING CO LTD
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Patent Information

Application Number
CN202421593310.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-05-13
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

In the production process of plastic packaging bags, manual cutting is not only inefficient, but also easily leads to skewed and uneven cutting lines, affecting product quality and use.

Method used

A cutting device including a cutting table, a conveying roller, a mounting frame, a cylinder, a main cutting knife and an auxiliary cutting knife are designed. The plastic packaging bag is conveyed through the conveying roller. The cylinder drops to make the mounting plate and the fixing block come into contact with the packaging bag, and the main cutting knife and an auxiliary cutting knife are cut to ensure the smoothness of the cutting line.

Benefits of technology

It improves the efficiency and stability of cutting work, ensures the flatness of cutting lines, and improves product quality and use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic packaging bag production, and discloses a cutting device for plastic packaging bag production, which comprises a cutting table mechanism and a mounting rack mechanism, a mounting rack is fixedly connected to a cutting table, a first cylinder is fixedly connected to the mounting rack, a mounting plate is fixedly connected to the first cylinder, and a second cylinder is fixedly connected to the mounting plate. A main cutting knife is fixedly connected to the mounting plate, a spring mounting box is fixedly connected to the mounting plate, a spring is fixedly connected to the interior of the spring mounting box, a fixing block is fixedly connected to the spring, a conveying roller rotates to convey a plastic packaging bag to the bottom of the mounting plate, and a first air cylinder descends to enable the mounting plate to move downwards; the fixing blocks firstly make contact with the plastic packaging bag to fix the plastic packaging bag, the two fixing blocks fix the two sides of the cutting position of the plastic packaging bag, the situation that the cutting quality is affected by deviation of the plastic packaging bag during cutting is prevented, the first air cylinder continuously descends to enable the main cutting knife and the auxiliary cutting knife to cut the plastic packaging bag, and the cutting effect is good.
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Description

Technical Field

[0001] The utility model relates to the technical field of plastic packaging bag production, in particular to a cutting device for plastic packaging bag production. Background Art

[0002] Plastic packaging bags are made of plastic as raw materials and are used to produce various daily necessities. They are widely used in daily life and industrial production. During the production and processing of plastic packaging bags, they need to be cut for subsequent processing. At present, when cutting plastic packaging bags, they are mostly cut manually, which not only has low work efficiency, but also causes the cutting line to be skewed and uneven, affecting product quality and product use. Therefore, a cutting device for plastic packaging bag production is urgently needed to solve the above problems. Utility Model Content

[0003] In order to overcome the above-mentioned technical problems, the purpose of the utility model is to provide a cutting device for the production of plastic packaging bags, so as to solve the problem proposed in the above-mentioned background technology that most of the cutting is done manually, which not only has low work efficiency, but also manual cutting will cause the cutting line to be skewed and uneven, affecting product quality and product use.

[0004] The utility model provides the following technical solution: a cutting device for producing plastic packaging bags, comprising a cutting table mechanism, the cutting table mechanism comprising a cutting table and a conveying roller, the cutting table being rotatably connected to the conveying roller, a mounting frame mechanism, the mounting frame mechanism comprising a mounting frame, the cutting table being fixedly connected to the mounting frame, the mounting frame being fixedly connected to a first cylinder, the first cylinder being fixedly connected to a mounting plate, the mounting plate being fixedly connected to a main cutting knife, the cutting table being fixedly connected to a cutting block, the cutting block being provided with an auxiliary cutting knife groove, the auxiliary cutting knife being fixedly connected in the auxiliary cutting knife groove, the mounting plate being fixedly connected to a spring mounting box, and There are two spring mounting boxes, and springs are fixedly connected inside the spring mounting boxes, and the number of springs is at least six. A fixing block is fixedly connected to the spring, and the conveying roller rotates to convey the plastic packaging bag to the bottom of the mounting plate, and the first cylinder descends to move the mounting plate downward. The fixing block first contacts the plastic packaging bag to fix the plastic packaging bag, and the two fixing blocks fix the two sides of the cutting point of the plastic packaging bag to prevent the plastic packaging bag from deviating during cutting and affecting the cutting quality. The first cylinder continues to descend to enable the main cutting knife and the auxiliary cutting knife to cut the plastic packaging bag, and the cutting effect is good. The method has a simple structure and is easy to use, and improves the working efficiency and working stability of the device.

[0005] Furthermore, a placement box is movably placed on the cutting table, and a conveying roller conveys the cut plastic packaging bags, and the cut plastic packaging bags are placed in the placement box for convenient centralized unloading, thereby improving the practicability of the device.

[0006] Furthermore, a waste box is movably placed on the cutting table, and a discharge hole is opened on the cutting table. The debris generated by the main cutting knife and the auxiliary cutting knife during cutting falls into the waste box through the discharge hole for centralized collection and treatment, thereby reducing subsequent cleaning work and improving the practicability of the device.

[0007] Furthermore, cylinder brackets are fixedly connected on both sides of the cutting table, a second cylinder is fixedly connected to the cylinder bracket, a limiting plate is fixedly connected to the second cylinder, the second cylinders on both sides are extended so that the two limiting plates limit the conveyed plastic packaging bags, and the distance between the two limiting plates can be adjusted to limit plastic packaging bags of different specifications, preventing the plastic packaging bags from being offset during production and causing crooked cutting, thereby improving the practicability of the device.

[0008] Furthermore, a rubber pad is fixedly connected to the fixing block, and the rubber pad increases the tightness of the fit with the plastic packaging bag, so that the fixing block can firmly fix the plastic packaging bag, thereby improving the practicability of the device.

[0009] Technical effects and advantages of the utility model:

[0010] 1. The utility model is provided with a mounting frame, a first cylinder, a mounting plate, a main cutting knife, a cutting block, an auxiliary cutting knife groove, an auxiliary cutting knife, a spring mounting box, a spring and a fixed block. The conveying roller rotates to convey the plastic packaging bag to the bottom of the mounting plate. The first cylinder descends to move the mounting plate downward. The fixed block first contacts the plastic packaging bag to fix the plastic packaging bag. The two fixed blocks fix the two sides of the cutting part of the plastic packaging bag to prevent the plastic packaging bag from deviating during cutting and affecting the cutting quality. The first cylinder continues to descend to make the main cutting knife and the auxiliary cutting knife cut the plastic packaging bag. The cutting effect is good. The method has a simple structure and is easy to use, and improves the working efficiency and working stability of the device.

[0011] 2. The utility model is provided with a cylinder bracket, a second cylinder and a limit plate. The second cylinders on both sides extend out so that the two limit plates can limit the plastic packaging bags being conveyed. By adjusting the distance between the two limit plates, plastic packaging bags of different specifications can be limited, thereby preventing the plastic packaging bags from being offset during production and causing crooked cutting, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front perspective schematic diagram of the overall structure of the utility model.

[0013] Figure 2It is a side perspective schematic diagram of the overall structure of the utility model.

[0014] Figure 3 It is a schematic cross-sectional view of the spring installation box structure of the utility model.

[0015] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure in the middle.

[0016] Figure 5 This is a schematic diagram of the auxiliary cutter structure of the utility model.

[0017] The accompanying drawings are marked as follows: 100, cutting table mechanism; 110, cutting table; 111, conveying roller; 200, mounting frame mechanism; 210, mounting frame; 211, first cylinder; 212, mounting plate; 213, main cutting knife; 214, cutting block; 215, auxiliary cutting knife groove; 216, auxiliary cutting knife; 217, spring mounting box; 218, spring; 219, fixing block; 220, rubber pad; 221, placement box; 222, waste box; 223, discharge hole; 224, cylinder bracket; 225, second cylinder; 226, limit plate. DETAILED DESCRIPTION

[0018] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.

[0019] Embodiment 1:

[0020] Refer to the attached drawings in the specification Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5The utility model provides a cutting device for producing plastic packaging bags, including a cutting table mechanism 100, the cutting table mechanism 100 includes a cutting table 110 and a conveying roller 111, the cutting table 110 is rotatably connected with the conveying roller 111, a mounting frame mechanism 200, the mounting frame mechanism 200 includes a mounting frame 210, the cutting table 110 is fixedly connected with the mounting frame 210, the mounting frame 210 is fixedly connected with a first cylinder 211, the first cylinder 211 is fixedly connected with a mounting plate 212, the mounting plate 212 is fixedly connected with a main cutting knife 213, the cutting table 110 is fixedly connected with a cutting block 214, the cutting block 21 4 is provided with an auxiliary cutting knife groove 215, in which an auxiliary cutting knife 216 is fixedly connected, a spring mounting box 217 is fixedly connected to the mounting plate 212, and the number of the spring mounting boxes 217 is two, a spring 218 is fixedly connected in the spring mounting box 217, and the number of the spring 218 is at least six, a fixing block 219 is fixedly connected to the spring 218, cylinder brackets 224 are fixedly connected to both sides of the cutting table 110, a second cylinder 225 is fixedly connected to the cylinder bracket 224, a limiting plate 226 is fixedly connected to the second cylinder 225, and a rubber pad 220 is fixedly connected to the fixing block 219.

[0021] Working principle: when in use, the plastic packaging bag is placed on the conveying roller 111, and the distance between the two limit plates 226 is adjusted according to the size of the plastic packaging bag, so that the limit plates 226 limit the plastic packaging bag to prevent the plastic packaging bag from shifting during production. The conveying roller 111 rotates to convey the plastic packaging bag to the bottom of the mounting plate 212, and the first cylinder 211 descends to move the mounting plate 212 downward. The fixed block 219 first contacts the plastic packaging bag to fix the plastic packaging bag. The rubber pad 220 increases the fit with the plastic packaging bag, so that the fixed block 219 fixes the plastic packaging bag firmly. The two fixed blocks 219 fix the two sides of the cutting position of the plastic packaging bag to prevent the plastic packaging bag from shifting during cutting and affecting the cutting quality. The first cylinder 211 continues to descend to allow the main cutting knife 213 and the auxiliary cutting knife 216 to cut the plastic packaging bag, and the cutting effect is good.

[0022] Embodiment 2:

[0023] Refer to the attached drawings in the specification Figure 1 and Figure 2 The difference between the second embodiment and the first embodiment is that a placement box 221 is movably placed on the cutting table 110 , a waste box 222 is movably placed on the cutting table 110 , and a discharge hole 223 is opened on the cutting table 110 .

[0024] Working principle: When in use, the debris generated by the main cutting knife 213 and the auxiliary cutting knife 216 during cutting falls into the waste box 222 through the discharge hole 223 for centralized collection and processing, reducing subsequent cleaning work. After the cutting is completed, the conveying roller 111 conveys the cut plastic packaging bags and places the cut plastic packaging bags in the placement box 221 for centralized unloading.

Claims

1. A cutting device for producing plastic packaging bags, comprising a cutting table mechanism (100), wherein the cutting table mechanism (100) comprises a cutting table (110) and a conveying roller (111), wherein the conveying roller (111) is rotatably connected to the cutting table (110), characterized in that: A mounting frame mechanism (200), the mounting frame mechanism (200) comprising a mounting frame (210), the cutting table (110) being fixedly connected to the mounting frame (210), the mounting frame (210) being fixedly connected to a first cylinder (211), the first cylinder (211) being fixedly connected to a mounting plate (212), the mounting plate (212) being fixedly connected to a main cutting knife (213), the cutting table (110) being fixedly connected to a cutting block (214), The cutting block (214) is provided with an auxiliary cutting knife groove (215), an auxiliary cutting knife (216) is fixedly connected in the auxiliary cutting knife groove (215), a spring mounting box (217) is fixedly connected to the mounting plate (212), and the number of the spring mounting boxes (217) is two, a spring (218) is fixedly connected in the spring mounting box (217), and the number of the springs (218) is at least six, and a fixing block (219) is fixedly connected to the spring (218).

2. A cutting device for producing plastic packaging bags according to claim 1, characterized in that: A placement box (221) is movably placed on the cutting table (110).

3. A cutting device for producing plastic packaging bags according to claim 1, characterized in that: A waste box (222) is movably placed on the cutting table (110), and a material discharge hole (223) is provided on the cutting table (110).

4. A cutting device for producing plastic packaging bags according to claim 1, characterized in that: Cylinder brackets (224) are fixedly connected to both sides of the cutting table (110), a second cylinder (225) is fixedly connected to the cylinder bracket (224), and a limiting plate (226) is fixedly connected to the second cylinder (225).

5. A cutting device for producing plastic packaging bags according to claim 1, characterized in that: A rubber pad (220) is fixedly connected to the fixing block (219).