Packaging bag film blowing device

By designing a packaging bag blown film device with an air intake mechanism and a cleaning system, the problem of filter cartridge clogging was solved, achieving efficient cleaning without stopping the machine and improving blown film efficiency.

CN224103522UActive Publication Date: 2026-04-10ZHEJIANG KUNCHENG PLASTIC IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

The filter devices of existing packaging bag blown film equipment are prone to clogging after long-term use, which leads to a decrease in filtration efficiency, affects the operation of the equipment and the efficiency of blown film, and requires shutdown to replace the filter components.

Method used

A packaging bag blowing film device was designed, which includes an air inlet mechanism and an air volume adjustment mechanism. The filter cartridge is rotated and cleaned by a motor-driven gear transmission system, and dust is removed by a brush cleaning plate. This allows for filter cartridge cleaning without stopping the machine and prevents clogging.

Benefits of technology

This technology enables the cleaning of the filter cartridge without stopping operation, improving the efficiency of blown film production for packaging bags and avoiding equipment downtime and efficiency reduction caused by clogging.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224103522U_ABST
    Figure CN224103522U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of packaging bag film blowing. The packaging bag film blowing device comprises a box body, the middle of an inner cavity of the box body is rotationally connected with the outer wall of an air blower, the upper end of the inner cavity of the box body is fixedly connected with an exhaust plate, the upper end of the exhaust plate is in lap joint with the lower end of an air volume adjusting mechanism, and the lower end face of the box body is fixedly connected with the upper end of an air inlet mechanism. According to the film blowing device, the air inlet mechanism is started to drive the air blower to be started, so that air is filtered by the filter cartridge to enter the box body, and then heated raw materials are subjected to film blowing through the exhaust plate and the air volume adjusting mechanism; and meanwhile, when the air inlet mechanism is started, the filter cartridge rotates, so that the filter cartridge is cleaned by the cleaning plate, dust is prevented from blocking the filter cartridge, the filter cartridge can be cleaned without stopping operation, and the film blowing efficiency of the packaging bag is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to packing bag blow film technology field especially, relate to a packing bag blow film device. BACKGROUND

[0002] Blow film is a kind of plastic processing method, is to melt the plastic particle again and blow into a kind of plastic processing technology of film.

[0003] As the Chinese patent of authorized announcement number CN218139863U disclosed a kind of packing bag blow film device, its working principle is "utilize the activated carbon filter layer, small filter screen, fixed part, three layers of filter of big filter screen being arranged in filter box interior, can reach a more obvious filtering effect, avoid in the process of using high-pressure air to blow film, if dust or other impurities in air, there is the danger of blocking blow film nozzle and influence the normal progress of blow film processing, and reduce the influence on the quality of film product", however, any filter device is inevitably blocked after long-term use, with the growth of use time, a large amount of dust and impurities will gradually accumulate on filter piece, lead to the decline of filtering effect, even can influence the normal operation of blow film device, the filter piece is installed in the interior of device, when needing to replace it, device needs to stop running, and during the period of device stop running, blow film work will also stop, in turn, the efficiency of packing bag blow film is influenced. UTILITY MODEL CONTENTS

[0004] The utility model in the prior art exists the shortage, provides following technical scheme:

[0005] A kind of packing bag blow film device, including box, the outer wall of the upper end of the inner chamber of box is rotatably connected with blower, and the upper end of the inner chamber of box is fixedly connected with exhaust plate, the upper end of exhaust plate is overlapped with the lower end of air volume adjusting mechanism, and the upper end of exhaust plate is provided with vent hole, the upper end of air inlet mechanism is fixedly connected with the lower end surface of box, and the lower end of film outlet is fixedly connected with the upper end of box;

[0006] The air volume adjusting mechanism includes adjusting plate and screw rod, the vent hole is formed in the adjusting plate, and the outer surface of adjusting plate is connected with the inner chamber of box, and is overlapped with the upper end surface of exhaust plate, the outer wall of one end of screw rod is rotatably connected with one end of box, and the other end of screw rod is threadedly connected with the right end of adjusting plate;

[0007] The air inlet mechanism includes filter cartridge and cleaning plate, the outer wall of the upper end of filter cartridge is rotatably connected with the lower end surface of box, the upper end of cleaning plate is fixedly connected with the lower end surface of box, and the end of cleaning plate close to each other is provided with brush, and is overlapped with the outer wall of filter cartridge.

[0008] As the improvement of the above technical scheme, the air inlet mechanism comprises a first rotating shaft, a second bevel gear, a second rotating shaft, a third bevel gear, a first gear and a second gear, the front end of the first rotating shaft is rotationally connected with the front face of the box body, the front end of the second bevel gear is fixedly connected with the rear end of the first rotating shaft, the outer wall of the second rotating shaft is rotationally connected with the lower end of the box body, the lower end of the third bevel gear is fixedly connected with the upper end of the second rotating shaft, the outer wall of the third bevel gear is meshingly connected with the outer wall of the lower end of the second bevel gear, the upper end of the first gear is fixedly connected with the lower end of the second rotating shaft, and the outer wall of the second gear is fixedly connected with the outer wall of the filter cartridge.

[0009] As the improvement of the above technical scheme, the air inlet mechanism comprises a first rotating shaft, a second bevel gear, a second rotating shaft, a third bevel gear, a first gear and a second gear, the front end of the first rotating shaft is rotationally connected with the front face of the box body, the front end of the second bevel gear is fixedly connected with the rear end of the first rotating shaft, the outer wall of the second rotating shaft is rotationally connected with the lower end of the box body, the lower end of the third bevel gear is fixedly connected with the upper end of the second rotating shaft, the outer wall of the third bevel gear is meshingly connected with the outer wall of the lower end of the second bevel gear, the upper end of the first gear is fixedly connected with the lower end of the second rotating shaft, and the outer wall of the second gear is fixedly connected with the outer wall of the filter cartridge.

[0010] As the improvement of the above technical scheme, the front face of the box body is fixedly provided with a motor, and the output end of the motor is fixedly connected with the front end of the first rotating shaft.

[0011] As the improvement of the above technical scheme, one end of the film outlet is communicated with a feeding mechanism.

[0012] The feeding mechanism comprises a feeding cylinder and a raw material bin, one end of the feeding cylinder is communicated with the outer wall of the film outlet, and the lower end of the raw material bin is communicated with the upper end surface of the feeding cylinder.

[0013] As the improvement of the above technical scheme, the inner cavity of the raw material bin is provided with an impurity filter screen, and a heater is rotationally connected with the upper end of the inner cavity of the raw material bin.

[0014] The air inlet mechanism is started to drive the air blower to start, so that air is filtered by the filter cartridge and enters the inside of the box body, and the raw material after heating is blown into a film by the exhaust plate and the air volume adjusting mechanism, at the same time, the filter cartridge is rotated when the air inlet mechanism is started, so that the cleaning plate cleans the filter cartridge, dust is prevented from blocking the filter cartridge, the filter cartridge can be cleaned without stopping operation, and the efficiency of film blowing of the packaging bag is improved.

[0015] The air inlet mechanism is started to drive the air blower to start, so that air is filtered by the filter cartridge and enters the inside of the box body, and the raw material after heating is blown into a film by the exhaust plate and the air volume adjusting mechanism, at the same time, the filter cartridge is rotated when the air inlet mechanism is started, so that the cleaning plate cleans the filter cartridge, dust is prevented from blocking the filter cartridge, the filter cartridge can be cleaned without stopping operation, and the efficiency of film blowing of the packaging bag is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model discloses a structure diagram;

[0017] Figure 2 The utility model discloses a front view; Figure 1

[0018] ​Figure 3 The utility model discloses Figure 2 The top view of the utility model discloses

[0019] Figure 4 The utility model discloses Figure 3 The sectional view of a-a in the utility model discloses

[0020] Figure 5 The utility model discloses Figure 3 The sectional view of b-b in the utility model discloses

[0021] Fig. 1, box 2, hair dryer 21, fan 22, first bevel gear 3, exhaust plate 4, air volume adjusting mechanism 41, adjusting plate 42, screw rod 5, membrane outlet 6, air inlet mechanism 61, first rotating shaft 62, second bevel gear 63, second rotating shaft 64, third bevel gear 65, first gear 66, filter cartridge 67, second gear 68, cleaning plate 7, motor 8, feeding mechanism 81, feeding cylinder 82, raw material bin. Specific embodiments

[0022] In order to make the utility model's purpose, technical scheme and advantage more clearly, following the utility model is further detailed. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0023] Please refer to Figures 1-5 The utility model provides a kind of packaging bag film blowing device, including box 1, the outer wall of box 1 inner cavity middle part is connected with hair dryer 2, and the upper end of the inner cavity of box 1 is fixedly connected with exhaust plate 3, the upper end of exhaust plate 3 is overlapped with the lower end of air volume adjusting mechanism 4, and the upper end of exhaust plate 3 is equipped with air hole, the upper end of box 1 is fixedly connected with the upper end of air inlet mechanism 6, and the upper end of box 1 is fixedly connected with the lower end of membrane outlet 5;

[0024] Air volume adjusting mechanism 4 includes adjusting plate 41 and screw rod 42, adjusting plate 41 is equipped with air hole, and the outer surface of adjusting plate 41 is connected with the inner cavity of box 1, and is overlapped with the upper end of exhaust plate 3, the outer wall of one end of screw rod 42 is connected with one end of box 1, and the other end of screw rod 42 is threadedly connected with the right end of adjusting plate 41;Air inlet mechanism 6 includes filter cartridge 66 and cleaning plate 68, the outer wall of filter cartridge 66 upper end is connected with the lower end of box 1, the upper end of cleaning plate 68 is fixedly connected with the lower end of box 1, and the end of cleaning plate 68 close to each other is equipped with brush, and is overlapped with the outer wall of filter cartridge 66.

[0025] The rotation of motor 7 drives the first shaft 61 to rotate, thereby causing the second bevel gear 62 to rotate. The rotation of the second bevel gear 62 drives the first bevel gear 22 and the third bevel gear 64 to rotate. The rotation of the first bevel gear 22 drives the fan 21 to rotate, thereby causing air to pass through the filter cartridge 66 and enter the interior of the housing 1. The rotation of the second bevel gear 62 causes the second shaft 63 and the third bevel gear 64 to rotate. The rotation of the second shaft 63 causes the first gear 65 to rotate, which in turn causes the second gear 67 to rotate. The rotation of the second gear 67 drives the filter cartridge 66 to rotate. The filter cartridge 66 is connected to the cleaning plate 68. The rotation of the filter cartridge 66 causes the cleaning plate 68 to clean the filter cartridge 66. The rotation of the screw 42 causes the adjusting plate 41 to move left and right. The left and right movement of the adjusting plate 41 blocks the ventilation holes opened on the exhaust plate 3, thereby achieving the effect of regulating the air volume.

[0026] Specifically, the air intake mechanism 6 includes a first rotating shaft 61, a second bevel gear 62, a second rotating shaft 63, a third bevel gear 64, a first gear 65, and a second gear 67. The front end of the first rotating shaft 61 is rotatably connected to the front of the housing 1. The front end of the second bevel gear 62 is fixedly connected to the rear end of the first rotating shaft 61. The outer wall of the second rotating shaft 63 is rotatably connected to the lower end of the housing 1. The lower end of the third bevel gear 64 is fixedly connected to the upper end of the second rotating shaft 63, and the outer wall of the third bevel gear 64 meshes with the outer wall of the lower end of the second bevel gear 62. The upper end of the first gear 65 is fixedly connected to the lower end of the second rotating shaft 63. One end of the second gear 67 that is close to each other is fixedly connected to the outer wall of the filter cartridge 66, and the outer wall of the second gear 67 meshes with the outer wall of the first gear 65.

[0027] The rotation of the first rotating shaft 61 drives the second bevel gear 62 to rotate, which in turn causes the second rotating shaft 63 and the third bevel gear 64 to rotate. The rotation of the second rotating shaft 63 causes the first gear 65 to rotate, which in turn causes the second gear 67 to rotate. The rotation of the second gear 67 drives the filter cartridge 66 to rotate. The filter cartridge 66 then connects with the cleaning plate 68. The rotation of the filter cartridge 66 causes the cleaning plate 68 to clean the filter cartridge 66.

[0028] Specifically, the blower 2 includes a fan 21 and a first bevel gear 22. The outer wall of the fan 21 is rotatably connected to the middle of the inner cavity of the housing 1. The upper end of the first bevel gear 22 is fixedly connected to the lower end of the fan 21, and the outer wall of the first bevel gear 22 is meshed with the upper end of the second bevel gear 62.

[0029] like Figure 5 As shown, the first rotating shaft 61 rotates, thereby causing the second bevel gear 62 to rotate. The rotation of the second bevel gear 62 drives the first bevel gear 22 to rotate, and the rotation of the first bevel gear 22 drives the fan 21 to rotate.

[0030] Specifically, the front face of the box body 1 is fixedly provided with a motor 7, and the output end of the motor 7 is fixedly connected with the front end of the first rotating shaft 61.

[0031] The first rotating shaft 61 is driven to rotate by the rotation of the motor 7, so that the second bevel gear 62 is rotated, the first bevel gear 22 and the third bevel gear 64 are driven to rotate by the rotation of the second bevel gear 62, so that the fan 21 and the filter cylinder 66 are rotated, so that the air is automatically entered into the inside of the box body 1, and the filter cylinder 66 can be cleaned.

[0032] Specifically, one end of the film outlet 5 is communicated with a feeding mechanism 8.

[0033] The feeding mechanism 8 comprises a feeding cylinder 81 and a raw material bin 82, one end of the feeding cylinder 81 is communicated with the outer wall of the film outlet 5, and the lower end of the raw material bin 82 is communicated with the upper end surface of the feeding cylinder 81.

[0034] As shown in the drawings, the feeding cylinder 81 and the raw material bin 82 are convenient for heating the raw material and further convenient for continuously blowing the film to the raw material. Figure 4

[0035] Specifically, the inner cavity of the raw material bin 82 is installed with an impurity filter screen, and the upper end of the inner cavity of the raw material bin 82 is rotatably connected with a heater.

[0036] As shown in the drawings, the impurity filter screen installed in the raw material bin 82 is used for filtering the impurities in the raw material to prevent the impurities from entering into the inside of the device, and the raw material bin 82 is rotatably connected with the heater, so that the raw material can be rotatably heated, thereby preventing the raw material from being blocked. Figure 4

[0037] The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them.​​

Claims

1. A packaging bag film blowing apparatus comprising a cabinet (1), characterized in that: The middle part of the inner cavity of the box (1) is rotationally connected with the outer wall of the hair dryer (2), and the upper end of the inner cavity of the box (1) is fixedly connected with the exhaust plate (3), the upper end of the exhaust plate (3) is overlapped with the lower end of the air volume adjusting mechanism (4), and the upper end of the exhaust plate (3) is provided with a ventilation hole, the lower end surface of the box (1) is fixedly connected with the upper end of the air inlet mechanism (6), and the upper end of the box (1) is fixedly connected with the lower end of the film outlet (5); The air volume adjusting mechanism (4) comprises an adjusting plate (41) and a screw rod (42), the adjusting plate (41) is provided with a ventilation hole, and the outer surface of the adjusting plate (41) is clamped with the inner cavity of the box (1) and overlapped with the upper end surface of the exhaust plate (3), and the outer wall of one end of the screw rod (42) is rotationally connected with one end of the box (1), and the other end of the screw rod (42) is threadedly connected with the right end of the adjusting plate (41). The air inlet mechanism (6) comprises a filter cylinder (66) and a cleaning plate (68), the outer wall of the upper end of the filter cylinder (66) is rotationally connected with the lower end surface of the box (1), the upper end of the cleaning plate (68) is fixedly connected with the lower end surface of the box (1), and the end of the cleaning plate (68) close to each other is provided with a brush and is overlapped with the outer wall of the filter cylinder (66).

2. A bag blowing apparatus according to claim 1, wherein: The air inlet mechanism (6) comprises a first rotating shaft (61), a second bevel gear (62), a second rotating shaft (63), a third bevel gear (64), a first gear (65) and a second gear (67), the front end of the first rotating shaft (61) is rotationally connected with the front surface of the box (1), the front end of the second bevel gear (62) is fixedly connected with the rear end of the first rotating shaft (61), the outer wall of the second rotating shaft (63) is rotationally connected with the lower end of the box (1), the lower end of the third bevel gear (64) is fixedly connected with the upper end of the second rotating shaft (63), the outer wall of the third bevel gear (64) is meshedly connected with the outer wall of the lower end of the second bevel gear (62), the upper end of the first gear (65) is fixedly connected with the lower end of the second rotating shaft (63), the end close to each other of the second gear (67) is fixedly connected with the outer wall of the filter cylinder (66), and the outer wall of the second gear (67) is meshedly connected with the outer wall of the first gear (65).

3. A bag blowing apparatus according to claim 1, wherein: The hair dryer (2) comprises a fan (21) and a first bevel gear (22), the outer wall of the fan (21) is rotationally connected with the middle part of the inner cavity of the box (1), the upper end of the first bevel gear (22) is fixedly connected with the lower end of the fan (21), and the outer wall of the first bevel gear (22) is meshedly connected with the upper end of the second bevel gear (62).

4. The apparatus of claim 1 wherein: The front surface of the box (1) is fixedly provided with a motor (7), and the output end of the motor (7) is fixedly connected with the front end of the first rotating shaft (61).

5. The apparatus of claim 1 wherein: One end of the film outlet (5) is communicated with a feeding mechanism (8); The feeding mechanism (8) comprises a feeding cylinder (81) and a raw material bin (82), one end of the feeding cylinder (81) is communicated with the outer wall of the film outlet (5), and the lower end of the raw material bin (82) is communicated with the upper end surface of the feeding cylinder (81). The feeding mechanism (8) comprises a feeding cylinder (81) and a raw material bin (82), one end of the feeding cylinder (81) is communicated with the outer wall of the film outlet (5), and the lower end of the raw material bin (82) is communicated with the upper end surface of the feeding cylinder (81).

6. A bag blowing apparatus according to claim 5, wherein: The inner cavity of the raw material bin (82) is provided with an impurity filtering screen, and a heater is rotatably connected to the upper end of the inner cavity of the raw material bin (82).

Citation Information

Patent Citations

  • Packaging bag film blowing device

    CN218139863U