Dust falling prevention structure for PE packaging bag inner film production rolling

Abstract

The utility model relates to the technical field of packaging bag inner film production equipment, in particular to a dust falling prevention structure for producing and rolling a PE packaging bag inner film, which comprises an air duct, the outer side of the air duct is connected with a dust blowing mechanism for preventing dust from being attached to the film to influence the product quality, and the top and the bottom of the inner side of the air duct are respectively connected with a fixing frame in an inserted mode. A filter element is embedded in the fixed frame; the dust blowing mechanism comprises an air pump, the air outlet end of the air pump is connected with one end of a first Y-shaped pipe, the other end of the first Y-shaped pipe is connected with two symmetrically-arranged air blowing assemblies, the two air blowing assemblies are fixedly arranged on the outer wall of the air duct, and the air inlet end of the air pump is connected with one end of a second Y-shaped pipe. The other end of the second Y-shaped pipe is connected with two symmetrically-arranged air exhaust assemblies. According to the dust falling prevention structure for producing and rolling the inner film of the PE packaging bag, the dust removal effect is achieved in an air blowing and sucking mode, the surface of the film cannot be damaged, and the better dust removal effect can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag inner film production equipment, in particular to a dust-falling prevention structure for the production and rolling of PE packaging bag inner films. Background Art

[0002] In the production process of the inner film of PE packaging bags, winding is the process of rolling up the produced film material from the production line. During the winding process, it is necessary to maintain the flatness and cleanliness of the film to prevent dust or foreign matter from falling into the film material, so as to ensure the quality of the film material and the use effect. However, due to differences in the production environment, dust in the air will fall onto the surface of the film during winding, thereby affecting the quality of the product. The existing dust removal structure generally uses a brush to brush off the dust attached to the surface of the film. For example, the utility model patent with publication number CN215696102U discloses a dust-proof structure for the production and winding of the inner film of PE packaging bags. This patent uses a soft brush to brush away the dust, but because the soft brush needs to contact the surface of the film, it is easy to cause damage to the surface of the film during use, which will also affect the quality of the product. In addition, the dust removal effect of the brush is poor and residue is likely to remain. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the utility model provides a dust-proof structure for the production and winding of the inner film of PE packaging bags, which solves the technical problems of easy damage to the film and poor dust removal effect when using a soft brush for dust removal.

[0004] To solve the above-mentioned technical problems, the present invention provides the following technical solutions: a dust-proof structure for the production and winding of PE packaging bag inner film, comprising an air duct, the outer side of which is connected to a dust-blowing mechanism for preventing dust from adhering to the film and affecting product quality, and a fixing frame respectively plugged into the top and bottom of the inner side of the air duct, wherein a filter element is embedded in the fixing frame;

[0005] The dust blowing mechanism includes an air pump, the air outlet end of the air pump is connected to one end of Y-shaped tube one, and the other end of Y-shaped tube one is connected to two symmetrically arranged air blowing components, and the two air blowing components are fixed on the outer wall of the air duct, and the air inlet end of the air pump is connected to one end of Y-shaped tube two, and the other end of Y-shaped tube two is connected to two symmetrically arranged air exhaust components, and the two air exhaust components are respectively fixed on the top and bottom of the air duct.

[0006] Preferably, the blowing assembly includes a connecting pipe 1 connected to a Y-shaped pipe 1, the connecting pipe 1 is connected to the blowing pipe through a plurality of diversion pipes, the blowing pipe is provided with air holes and is fixed on the side wall of the air duct.

[0007] Preferably, the exhaust assembly includes a second connecting pipe connected to the second Y-shaped pipe, and the second connecting pipe is connected to the interior of the air duct through a plurality of exhaust pipes.

[0008] Preferably, the fixing frame is provided with a protrusion on the side wall outside the wind tube, a socket is provided in the protrusion, a block is clamped in the socket, the block is fixed to the bottom of the pressure rod, the pressure rod is movably connected to the side wall of the wind tube, and a spring connected to the outer wall of the wind tube is fixed on the inner side of the top of the pressure rod.

[0009] Preferably, two strip-shaped holes located on the same horizontal line are provided on the outer wall of the air duct.

[0010] Preferably, fixing frames are fixed on the outer walls of the air duct near both ends, and two electrostatic rollers are rotatably connected between the two fixing frames.

[0011] By means of the above technical solution, the utility model provides a dust-proof structure for the production and winding of the inner film of PE packaging bags, which has at least the following beneficial effects:

[0012] 1. The anti-dust structure for the production and winding of the inner film of the PE packaging bag is equipped with a dust blowing mechanism. The air pump is used to blow air into the air duct through the blowing component, thereby blowing the dust from the surface of the film. Combined with the function of the suction component, the floating dust can be attached to the filter element with the air flow, preventing the dust from falling and attaching to the film surface again. The dust removal effect is achieved by blowing and sucking air, which will not cause damage to the film surface and can also achieve better dust removal effect.

[0013] 2. The anti-dust structure for the production and winding of the inner film of the PE packaging bag is equipped with a fixed frame, a clamping block, a pressure rod and a spring. When a lot of dust adheres to the filter element, the clamping block can be moved by the pressure rod. After the restriction on the protrusion is released, the filter element can be pulled out horizontally, making it easy to clean and replace. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application:

[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic structural diagram of the utility model;

[0017] Figure 3 This is a schematic structural diagram of a partial cross-section of the air duct of the utility model;

[0018] Figure 4 For this utility model Figure 3 A schematic diagram of the structure enlarged in the middle;

[0019] Figure 5 It is a structural diagram of the air duct of the utility model.

[0020] Reference numerals:

[0021] 1. Air duct; 2. Dust blowing mechanism; 21. Air pump; 22. Y-type tube 1; 23. Connecting tube 1; 24. Diverter tube; 25. Air blowing tube; 26. Y-type tube 2; 27. Connecting tube 2; 28. Exhaust tube; 3. Fixed frame; 4. Filter element; 5. Protrusion; 6. Block; 7. Pressure rod; 8. Spring; 9. Fixed frame; 10. Electrostatic roller; 11. Strip hole. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the production of PE bag inner film, winding is the process of rolling up the finished film material from the production line. Typically, PE bag inner film is extruded from polyethylene raw material through an extruder. After cooling, stretching, and leveling, the film is produced to a certain width and thickness. Next, the finished film is gradually rolled up by a winding device to form a roll for subsequent steps such as cutting, rewinding, or packaging. During the winding process, it is necessary to maintain the flatness and cleanliness of the film to prevent dust and foreign matter from entering the film material to ensure the quality and performance of the film. Therefore, during the winding process of PE bag inner film production, various measures are usually implemented, such as using dust prevention structures and adjusting the winding speed, to ensure a smooth winding process and guarantee the quality of the film material.

[0024] Example 1:

[0025] Based on the technical defects of the existing technology that are easy to damage the membrane and have poor dust removal effect, please refer to Figure 1-Figure 5 The utility model provides a dust-proof structure for the production and winding of the inner film of a PE packaging bag, which achieves the dust removal effect by blowing and sucking air, which will not cause damage to the surface of the film and can also achieve a better dust removal effect. It includes an air duct 1, and the outer side of the air duct 1 is connected to a dust-blowing mechanism 2 to prevent dust from adhering to the film and affecting the quality of the product. The top and bottom of the inner side of the air duct 1 are respectively plugged with a fixing frame 3, and the fixing frame 3 is embedded with a filter element 4; before the film is rolled up, the film is passed through the inside of the air duct 1, and then under the action of the dust-blowing mechanism 2, the dust on the surface of the film is blown up, and then the dust is adsorbed onto the filter element 4, thereby achieving the dust removal effect. The film after dust removal can then enter the winding operation.

[0026] To remove dust from both sides of the membrane at the same time, please refer to Figure 2 and Figure 3The dust-blowing mechanism 2 includes an air pump 21, the air outlet end of the air pump 21 is connected to one end of the Y-shaped tube 22, and the other end of the Y-shaped tube 22 is connected to two symmetrically arranged blowing assemblies. The two blowing assemblies are fixed on the outer wall of the air cylinder 1, and the air inlet end of the air pump 21 is connected to one end of the Y-shaped tube 26, and the other end of the Y-shaped tube 26 is connected to two symmetrically arranged air extraction assemblies, which are respectively fixed on the top and bottom of the air cylinder 1; when the air pump 21 is working, the air outlet end of the air pump 21 discharges the gas, and under the action of the Y-shaped tube 22, the gas can enter the two blowing assemblies, and then blow the membrane surface through the blowing assembly, thereby blowing up the dust attached to the membrane surface. At the same time, the air pump 21 needs to inhale when operating. Under the action of the Y-shaped tube 26, the suction end of the air pump 21 extracts the gas in the air cylinder through the Y-shaped tube 26 and the air extraction assembly. At this time, airflow is formed in the air cylinder, and the airflow brings the dust to the filter element 4.

[0027] To facilitate the blowing of dust, please refer to Figure 3 The air blowing assembly includes a connecting pipe 23 connected to a Y-shaped pipe 22. The connecting pipe 23 is connected to an air blowing pipe 25 through a plurality of branch pipes 24. The air blowing pipe 25 is provided with air holes and is fixed on the side wall of the air duct 1. The gas enters the air blowing pipe 25 through the connecting pipe 23 and the branch pipe 24, and is blown out from the air holes on the air blowing pipe 25, thereby blowing up the dust.

[0028] To avoid the problem of secondary dust falling, please refer to Figure 3 The exhaust component includes a connecting pipe 27 connected to the Y-shaped tube 26, and the connecting pipe 27 is connected to the interior of the wind tube 1 through multiple exhaust pipes 28; the air pump 21 needs to inhale air when operating, and the gas in the wind tube 1 can be extracted through the connecting pipe 27 and the exhaust pipe 28, so that dust will not fall onto the membrane again.

[0029] In order to facilitate the film to pass through and be rolled up, two strip holes 11 located on the same horizontal line are opened on the outer wall of the air cylinder 1; the arrangement of the strip holes 11 can just allow the film to pass through and be rolled up.

[0030] In order to further improve the dust removal effect, a fixing frame 9 is fixed on the outer wall near both ends of the wind tube 1, and two electrostatic rollers 10 are rotatably connected between the two fixing frames 9; by utilizing the electrostatic adsorption effect, the electrostatic rollers 10 can stick away the remaining dust, which can further improve the cleanliness of the membrane.

[0031] Example 2:

[0032] When a large amount of dust is attached to the filter element 4, it will affect the passage of gas, which will cause the air pump 21 to have difficulty in sucking air. To solve this problem, please refer to Figure 3 and Figure 4On the basis of embodiment 1, a protrusion 5 is provided on the side wall of the fixing frame 3 outside the wind tube 1, and a socket is provided in the protrusion 5. A card block 6 is clamped in the socket, and the card block 6 is fixed to the bottom of the pressure rod 7. The pressure rod 7 is movably connected to the side wall of the wind tube 1. The inner side of the top of the pressure rod 7 is fixed with a spring 8 connected to the outer wall of the wind tube 1; when a lot of dust adheres to the filter element 4, the card block 6 can be moved by the pressure rod 7. After the restriction of the protrusion 5 is released, the filter element 4 can be pulled out horizontally, which is convenient for cleaning and replacement.

[0033] It can be seen from the above embodiments that: before the film is rolled up, the film is passed through the inside of the air duct 1, and then under the action of the dust blowing mechanism 2, the air pump 21 is used to work, and the air outlet end of the air pump 21 discharges the gas. Under the action of the Y-tube 1 22, the gas can enter the two blowing components, and then blow the film surface through the blowing components, so as to blow up the dust attached to the film surface. At the same time, the air pump 21 needs to inhale when operating. Under the action of the Y-tube 2 26, the suction end of the air pump 21 extracts the gas in the air cylinder through the Y-tube 2 26 and the exhaust component. At this time, airflow is formed in the air cylinder, and the airflow brings the dust to the filter element 4, thereby achieving the dust removal effect. The dust-removed film can then enter the rolling operation.

[0034] It should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements that are inherent to such process, method, article or apparatus.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dust-proof structure for producing and rolling up the inner film of a PE packaging bag, comprising a blower (1), characterized in that: The outside of the air duct (1) is connected to a dust blowing mechanism (2) for preventing dust from adhering to the membrane and affecting product quality. The top and bottom of the inside of the air duct (1) are respectively connected to fixed frames (3), and a filter element (4) is embedded in the fixed frame (3). The dust blowing mechanism (2) comprises an air pump (21), an air outlet end of the air pump (21) is connected to one end of a Y-shaped tube (22), the other end of the Y-shaped tube (22) is respectively connected to two symmetrically arranged air blowing components, and the two air blowing components are fixed on the outer wall of the air duct (1); an air inlet end of the air pump (21) is connected to one end of a Y-shaped tube (26), the other end of the Y-shaped tube (26) is respectively connected to two symmetrically arranged air extraction components, and the two air extraction components are respectively fixed on the top and bottom of the air duct (1).

2. The dust-proof structure for producing and winding PE packaging bag inner film according to claim 1, characterized in that: The air blowing assembly comprises a connecting pipe (23) connected to a Y-shaped pipe (22); the connecting pipe (23) is connected to an air blowing pipe (25) via a plurality of diversion pipes (24); the air blowing pipe (25) is provided with air holes and is fixed on the side wall of the air duct (1).

3. The dust-proof structure for producing and winding PE packaging bag inner film according to claim 1, characterized in that: The air extraction assembly comprises a second connecting pipe (27) connected to a second Y-shaped pipe (26), and the second connecting pipe (27) is communicated with the interior of the air duct (1) via a plurality of air extraction pipes (28).

4. The dust-proof structure for producing and winding PE packaging bag inner film according to claim 1, characterized in that: The fixing frame (3) is provided with a protrusion (5) on the side wall outside the wind tube (1), a socket is provided in the protrusion (5), a clamping block (6) is clamped in the socket, the clamping block (6) is fixed to the bottom of a pressure rod (7), the pressure rod (7) is movably connected to the side wall of the wind tube (1), and a spring (8) connected to the outer wall of the wind tube (1) is fixed on the inner side of the top of the pressure rod (7).

5. The dust-proof structure for producing and winding PE packaging bag inner film according to claim 1, characterized in that: Two strip-shaped holes (11) located on the same horizontal line are provided on the outer wall of the air cylinder (1).

6. The dust-proof structure for producing and winding PE packaging bag inner film according to claim 1, characterized in that: The outer walls of the wind tube (1) near both ends are fixed with fixing frames (9), and two electrostatic rollers (10) are rotatably connected between the two fixing frames (9).

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