Plastic bag film blowing and flattening device

Abstract

The utility model belongs to the technical field of plastic film processing equipment, and particularly relates to a plastic bag film blowing and flattening device. The plastic bag film blowing and flattening device comprises a rack, a conveying assembly for controlling a plastic bag to move is installed on the inner wall of the rack, the conveying assembly comprises a first motor, the first motor is installed on the left side of the front end of the outer wall of the rack, and a flattening assembly for flattening the plastic bag is installed at the top of the rack. The flattening assembly comprises a mounting frame, a plurality of second positioning rods are fixedly connected to the inner wall of the mounting frame at equal intervals, and lower pressing rollers are fixedly connected to the outer walls of the second positioning rods, plastic bags can be conveyed through the conveying assembly, follow-up flattening operation is facilitated, the working efficiency is improved, meanwhile, the flattening assembly is started to work, and the working efficiency is improved. And the flattening assembly comprises a plurality of sets of lower pressing rollers, so that the flattening effect of the plastic bags is guaranteed, and the use requirement of the device is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to plastic film processing equipment technical field, concretely is a kind of plastic bag blown film flattening device. BACKGROUND

[0002] In the production process of plastic bag, blowing film is one of the key steps, and the blowing film process is to form a film bubble by extruding molten plastic, and then to be flattened into a double-layer film after cooling and setting. After blowing film, the plastic bag needs to be flattened to ensure its flatness and quality.

[0003] Chinese patent authorized announcement No. CN216761007U provides a kind of plastic bag blown film flattening device, and the scheme "include two side plates, several folding roller assemblies are arranged from left to right between two side plates, folding roller assembly includes two upper and lower arranged rollers, the rightmost side between two side plates is provided with the flattening roller assembly for flattening fold, the outside of side plate is provided with the placing groove between the two rollers of folding roller assembly, the inside of placing groove is provided with folding block, and the end between two side plates of folding block is provided with inclined surface, the inclination of inclined surface from left to right gradually decreases, realizes folding to plastic bag in the process of transmission, ensures the neatness of fold of plastic bag, improves the aesthetic degree of finished product."

[0004] But the flattening structure of the above device is relatively single, and the flattening effect cannot be guaranteed in actual flattening operation, so that the device has certain use limitation. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of plastic bag blown film flattening device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of plastic bag blown film flattening device, including rack, the inner wall of rack is installed with the conveying assembly of controlling plastic bag movement, the conveying assembly includes first motor, the first motor is installed in the outer wall front end left side of rack, the top of rack is installed with the flattening assembly for flattening plastic bag, the flattening assembly includes mounting bracket, the inner wall of mounting bracket is equidistantly fixedly connected with multiple second positioning rods, the outer wall of second positioning rod is fixedly connected with lower roller, the inner wall left end of mounting bracket is installed with second motor.

[0007] Preferably, the conveying assembly further includes two first positioning rods, the left and right ends of the inner wall of the rack are rotatably connected with the two first positioning rods, the left and right first positioning rods are fixedly connected with driving shaft and driven shaft respectively, and the driving shaft and the driven shaft are drivingly connected through the transmission belt.

[0008] Preferably, the flattening assembly further comprises a plurality of external gears, the plurality of external gears are fixedly connected to the front and rear ends of the outer wall of each lower pressing roller respectively, and adjacent two external gears are meshingly connected, the flattening assembly further comprises a first bevel gear, the first bevel gear is fixedly connected to the output end of the second motor, and a second bevel gear is fixedly connected to the rear end of the outer wall of the leftmost second positioning rod near the external gear, and the first bevel gear and the second bevel gear are meshingly connected.

[0009] Preferably, the middle part of the outer wall of the rack is fixedly connected with a fixed block at the front and rear ends, the output end of the fixed block is fixedly connected with an electric push rod, and the output end of the electric push rod is fixedly connected to the bottom wall of the mounting frame.

[0010] Preferably, the bottom wall of the rack is fixedly connected with a supporting leg at the left and right ends.

[0011] Preferably, the inner wall of the mounting frame is fixedly connected with a protective plate at the front and rear ends, and the second positioning rod penetrates through the protective plate.

[0012] Preferably, the front end of the outer wall of the mounting frame is provided with a control panel on the right side, and the control panel is electrically connected with the first motor, the second motor and the electric push rod respectively.

[0013] Compared with the prior art, the beneficial effects of the plastic bag film blowing and flattening device are as follows: the plastic bag is conveyed by the conveying assembly, which facilitates subsequent flattening operation and improves work efficiency, and the flattening assembly is started to work to flatten the plastic bag, the flattening assembly comprises a plurality of lower pressing rollers, so that the flattening effect of the plastic bag is ensured, and the use requirement of the device is met. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the utility model;

[0015] Figure 2 It is a partial split structural schematic diagram of the plastic bag film blowing and flattening device proposed by the utility model;

[0016] Figure 3 It is a partial split structural schematic diagram of the plastic bag film blowing and flattening device proposed by the utility model; Figure 2

[0017] Figure 4 It is a partial split structural schematic diagram of the plastic bag film blowing and flattening device proposed by the utility model;

[0018] ​In the figure: 1, rack; 2, first motor; 21, first positioning rod; 22, driving shaft; 23, driven shaft; 24, conveyor belt; 3, mounting frame; 31, second positioning rod; 32, down roller; 33, external gear; 34, second motor; 35, first bevel gear; 36, second bevel gear; 4, fixed block; 5, electric push rod; 6, control panel; 7, protective plate; 8, supporting leg. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] Please refer to Figure 1 Figure 4 The present application provides a technical solution: a plastic bag film blowing and flattening device, comprising a rack 1, the inner wall of the rack 1 is provided with a conveying assembly for controlling the movement of the plastic bag, the conveying assembly comprises a first motor 2, the first motor 2 is installed on the outer wall of the rack 1 at the left end of the front end, the top of the rack 1 is provided with a flattening assembly for flattening the plastic bag, the flattening assembly comprises a mounting frame 3, a plurality of second positioning rods 31 are fixedly connected to the inner wall of the mounting frame 3 at equal intervals, a down roller 32 is fixedly connected to the outer wall of the second positioning rod 31, and a second motor 34 is installed on the inner wall of the left end of the mounting frame 3; the conveying assembly further comprises two first positioning rods 21, the two first positioning rods 21 are respectively rotatably connected to the inner wall of the rack 1 at the left and right ends, the left and right first positioning rods 21 are respectively fixedly connected with a driving shaft 22 and a driven shaft 23, and the driving shaft 22 and the driven shaft 23 are drivingly connected through a conveyor belt 24.

[0021] Through the above technical solution, the conveyor belt 24 realizes the fixation of the position through the left and right first positioning rods 21, cooperates with the rotation control of the driving shaft 22 and the driven shaft 23 to make the conveyor belt 24 do the conveying action, realizes the effect of conveying the plastic bag, and the speed and direction thereof are adjustable, which is convenient for personnel to control and improves the work efficiency.

[0022] Please refer to Figure 1 Figure 2 and Figure 3 ​​The flattening assembly further comprises a plurality of external gear wheels 33 fixedly connected to the front and rear ends of the outer wall of each lower pressing roller 32, and adjacent two external gear wheels 33 are meshingly connected. The flattening assembly further comprises a first bevel gear 35 fixedly connected to the output end of the second motor 34. The outer wall of the leftmost second positioning rod 31 is fixedly connected with a second bevel gear 36 near the external gear wheel 33. The first bevel gear 35 and the second bevel gear 36 are meshingly connected. The outer wall of the frame 1 is fixedly connected with a fixed block 4 at the front and rear ends of the middle part. The output end of the fixed block 4 is fixedly connected with an electric push rod 5, and the output end of the electric push rod 5 is fixedly connected to the bottom wall of the mounting frame 3.

[0023] Through the above technical scheme, the adjacent lower pressing roller 32 and the second positioning rod 31 are connected through the external gear wheel 33. The second motor 34 drives the first bevel gear 35 and the second bevel gear 36 to meshingly connect, so as to realize the control of the rotation of the plurality of lower pressing rollers 32. At the same time, several groups of lower pressing rollers 32 can be adjusted according to the actual use demand, so as to meet different use demands. The height of the mounting frame 3 can be controlled by the electric push rod 5, so as to meet the flattening demand of plastic bags of different heights.

[0024] Please refer to Figure 1 and Figure 2 The bottom wall of the frame 1 is fixedly connected with a support leg 8 at the left and right ends. The inner wall of the mounting frame 3 is fixedly connected with a protective plate 7 at the front and rear ends. The second positioning rod 31 penetrates through the protective plate 7. The outer wall of the mounting frame 3 is installed with a control panel 6 at the right side of the front end. The control panel 6 is electrically connected with the first motor 2, the second motor 34 and the electric push rod 5.

[0025] Through the above technical scheme, the frame 1 is supported by the support leg 8, which is convenient for subsequent operation of personnel. The protective plate 7 needs to be matched with the inner wall of the mounting frame 3 to protect the flattening assembly and prolong its service life. The device can control the electrical equipment in the device through the control panel 6, so as to ensure the stability of the device operation and the convenience of personnel operation.

[0026] Working principle: the rack 1 is supported and installed through the supporting feet 8 of the bottom wall, the operator places the plastic bag needing to be flattened on the conveying belt 23, starts the first motor 2 through the control panel 6, the first motor 2 drives the driving shaft 22 to rotate, the driving shaft 22 drives the driven shaft 24 to rotate synchronously through the conveying belt 24, so that the conveying effect of the conveying belt 24 is realized, the mounting frame 3 is installed with the rack 1 through the fixed block 4 and the electric push rod 5, in the conveying process of the conveying belt 24, the second motor 34 is started, the second motor 34 drives the first bevel gear 35 to rotate, the first bevel gear 35 drives the second bevel gear 36 to rotate synchronously, since the second bevel gear 36 is fixedly connected to the outer wall of the leftmost second positioning rod 31, so that it rotates synchronously, the leftmost second positioning rod 31 drives the lower pressing roller 32 and the external gear 33 to rotate with it, since the two adjacent external gears 33 are meshed and connected, so as to drive the right two lower pressing rollers 32 to rotate synchronously, thereby realizing the effect of pressing the plastic bag, at the same time, the inner side of the mounting frame 3 is fixedly installed by the protective plate 7, so as to avoid the influence of the second motor 34, the bevel gear and the external gear 33 from the external environment, prolong the service life of the equipment, the mounting frame 3 can control its height through the electric push rod 5, so that the distance between the lower pressing roller 32 and the conveying belt 24 can be adjusted according to the thickness of different plastic bags, improve the practicability of the device.

[0027] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A plastic bag blown film flattening device, comprising a frame (1), characterized in that: The inner wall of the frame (1) is equipped with a conveying assembly for controlling the movement of plastic bags. The conveying assembly includes a first motor (2), which is installed on the left side of the front end of the outer wall of the frame (1). The top of the frame (1) is equipped with a flattening assembly for flattening the plastic bags. The flattening assembly includes a mounting frame (3). Multiple second positioning rods (31) are fixedly connected at equal intervals on the inner wall of the mounting frame (3). A lower pressure roller (32) is fixedly connected to the outer wall of the second positioning rods (31). A second motor (34) is installed on the left end of the inner wall of the mounting frame (3).

2. The plastic bag blown film flattening device according to claim 1, characterized in that: The conveying assembly also includes two first positioning rods (21), which are rotatably connected to the left and right ends of the inner wall of the frame (1), respectively. The two first positioning rods (21) on the left and right sides are respectively fixedly connected to a driving shaft (22) and a driven shaft (23), which are connected by a conveyor belt (24).

3. The plastic bag blown film flattening device according to claim 1, characterized in that: The flattening assembly also includes multiple external gears (33), which are fixedly connected to the front and rear ends of the outer wall of each lower pressure roller (32). Adjacent external gears (33) are meshed together. The flattening assembly also includes a first bevel gear (35), which is fixedly connected to the output end of the second motor (34). A second bevel gear (36) is fixedly connected to the rear end of the outer wall of the leftmost second positioning rod (31) near the external gear (33). The first bevel gear (35) and the second bevel gear (36) are meshed together.

4. The plastic bag blown film flattening device according to claim 1, characterized in that: The outer wall of the frame (1) is fixedly connected to the front and rear ends of the middle section of the frame (1). The output end of the fixed block (4) is fixedly connected to the electric push rod (5). The output end of the electric push rod (5) is fixedly connected to the bottom wall of the mounting frame (3).

5. The plastic bag blown film flattening device according to claim 1, characterized in that: The bottom wall of the frame (1) is fixedly connected to the left and right ends of the support feet (8).

6. The plastic bag blown film flattening device according to claim 1, characterized in that: The front and rear ends of the inner wall of the mounting bracket (3) are fixedly connected with protective plates (7), and the second positioning rod (31) passes through the protective plate (7).

7. A plastic bag blown film flattening device according to claim 4, characterized in that: A control panel (6) is installed on the right side of the front end of the outer wall of the mounting bracket (3). The control panel (6) is electrically connected to the first motor (2), the second motor (34) and the electric push rod (5).

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