Hot melting equipment for plastic film production

Abstract

The utility model relates to the technical field of plastic film processing, in particular to hot melting equipment for producing a plastic film, which can collect harmful gas generated during hot melting processing of the plastic film and improve the cooling rate of the plastic film after hot melting processing, and comprises a workbench for placing the plastic film, the hot melting device further comprises a hot melting plate used for conducting hot melting on the plastic film, an air suction hood capable of surrounding the hot melting plate is arranged outside the hot melting plate, the bottom of the air suction hood is open, the air suction hood is hollow, an air inlet channel is formed by a gap between the air suction hood and the hot melting plate, and air enters the air suction hood through the air inlet channel so that the cooling speed of the plastic film can be increased. A plurality of air inlet holes are formed in the side wall of the air suction cover, air enters the air suction cover through the air inlet holes, the air suction cover is connected with an air conveying pipe, the air conveying pipe conveys the air, one end of the air conveying pipe is connected with an air purifier, the air purifier purifies the air, and an air pump is arranged in the air purifier to provide power for conveying of the air.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic film processing, specifically to a hot melting equipment for plastic film production. BACKGROUND

[0002] It is known that plastic film is made of polyvinyl chloride, polyethylene, polypropylene, polystyrene and other resins, which is used for packaging and as a coating layer, and plastic packaging and plastic packaging products account for an increasing share in the market, especially composite plastic soft packaging, which has been widely used in food, medicine, chemical industry and other fields, among which food packaging accounts for the largest proportion, such as beverage packaging, frozen food packaging, cooking food packaging, fast food packaging and other products, which have brought great convenience to people's life.

[0003] When the plastic film is connected or docked, a hot melting tool is needed for hot melting processing of the plastic film, which will produce harmful gas, endangering the health of the operator, and after hot melting processing of the plastic film by the hot melting tool, the cooling speed of the plastic film is low, affecting the processing efficiency. UTILITY MODEL CONTENT

[0004] (I) Technical problem solved

[0005] In view of the deficiencies in the prior art, the utility model provides a hot melting equipment for plastic film production, which can collect harmful gas generated during hot melting processing of the plastic film and improve the cooling rate of the plastic film after hot melting processing.

[0006] (II) Technical scheme

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a hot melting equipment for plastic film production, comprising a workbench for placing plastic film, and a hot melting plate for hot melting the plastic film, the outside of the hot melting plate is provided with an air suction cover capable of surrounding the hot melting plate, the air suction cover is provided with an open bottom and is hollow, the gap between the air suction cover and the hot melting plate forms an air inlet channel, the gas enters the air suction cover through the air inlet channel to accelerate the cooling speed of the plastic film, a plurality of air inlet holes are formed in the side wall of the air suction cover, and the gas enters the air suction cover through the air inlet holes.

[0008] Further, the air suction cover is connected with a gas conveying pipe, which conveys the gas.

[0009] Further, one end of the gas conveying pipe is connected with an air purifier, which purifies the gas.

[0010] Further, the air purifier is provided with a gas pump to provide power for the gas conveying.

[0011] Further, the workbench is provided with a mounting rack, and the mounting rack is provided with a lifting device for driving the air suction cover and the hot melting plate to lift.

[0012] Further, the air suction cover and the hot melting plate are connected through a plurality of connecting columns.

[0013] Further, the workbench is provided with a controller, and the controller controls the lifting device to lift, the controller controls the hot melting plate to heat, and the controller controls the air purifier to work.

[0014] Further, the bottom end of the air suction cover is not lower than the bottom end of the hot melting plate.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the hot melting equipment for plastic film production has the following beneficial effects:

[0017] The hot melting equipment for plastic film production sets the air inlet hole on the air suction cover, performs negative pressure in the air suction cover during hot melting processing of the plastic film, and makes harmful gas generated at the hot melting position of the plastic film enter the air suction cover through the air inlet hole, so that the harmful gas is collected or purified, and the operator is prevented from inhaling the harmful gas and the harm to the health of the operator is avoided.

[0018] The hot melting plate is lifted after the hot melting processing of the plastic film, negative pressure is performed in the air suction cover, air enters the air suction cover through the air inlet channel, the air flow rate around the plastic film is accelerated at this time, the cooling rate of the plastic film is effectively improved, and the processing efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0020] Figure 2 It is a front view structure schematic view of the utility model;

[0021] Figure 3 It is a first three-dimensional structure schematic view of the air suction cover of the utility model;

[0022] Figure 4 It is a second three-dimensional structure schematic view of the air suction cover of the utility model;

[0023] Figure 5 It is a top view structure schematic view of the air suction cover of the utility model;

[0024] Figure 6 It is a sectional structure schematic view of A-A shown in the utility model; Figure 5 ​

[0025] Figure 7 For this utility model Figure 5 Schematic diagram of the cross-sectional structure of BB shown in FIG.

[0026] In the figure: 1. Workbench; 2. Mounting frame; 3. Lifting device; 4. Hot melt plate; 5. Suction hood; 6. Air inlet channel; 7. Air inlet hole; 8. Connecting column; 9. Air pipe; 10. Air purifier; 11. Controller. DETAILED DESCRIPTION

[0027] 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.

[0028] See also Figures 1-7 The utility model is a hot melt equipment for producing plastic film, comprising a workbench 1 for placing plastic film, and a hot melt plate 4 for hot melting the plastic film. An air suction hood 5 that can surround the hot melt plate 4 is provided on the outside of the hot melt plate 4. The air suction hood 5 is open at the bottom and is hollow. The gap between the air suction hood 5 and the hot melt plate 4 forms an air intake channel 6. Gas enters the air suction hood 5 through the air intake channel 6. After the plastic film is hot-melt processed, the hot melt plate 4 is lifted, and negative pressure is applied to the air suction hood 5. Air enters the air intake hood through the air intake channel 6. At this time, the air flow rate around the plastic film is accelerated, effectively improving the cooling rate of the plastic film.

[0029] Several air inlet holes 7 are provided on the side wall of the air hood 5, and the gas enters the air hood 5 through the air inlet holes 7. When the plastic film is hot-melt processed, a negative pressure is applied to the air hood 5, and the harmful gas generated at the hot-melt position of the plastic film enters the air inlet hood through the air inlet holes 7, and then the harmful gas is collected, thereby preventing the operator from inhaling the harmful gas and avoiding harm to the operator's health.

[0030] The suction hood 5 is connected to an air pipe 9 for conveying gas. One end of the air pipe 9 is connected to an air purifier 10 for purifying the gas. An air pump is provided in the air purifier 10 to provide power for conveying the gas and generate negative pressure in the suction hood 5.

[0031] The workbench 1 is provided with a mounting frame 2, and the mounting frame 2 is provided with a lifting device 3, which is used to drive the suction hood 5 and the hot melt plate 4 to move up and down.

[0032] The suction hood 5 and the hot melt plate 4 are connected via a plurality of connecting columns 8 .

[0033] The workbench 1 is provided with a controller 11, the controller 11 controls the lifting device 3 to lift, the controller 11 controls the hot melting plate 4 to heat and the controller 11 controls the air purifier 10 to work.

[0034] In order to ensure that the hot melting plate 4 and the plastic film contact, the bottom end of the air suction cover 5 is not lower than the bottom end of the hot melting plate 4.

[0035] In summary, the hot melting equipment for plastic film production, in use, controls the air purifier 10 and the air pump to work in the reheating process, carries out negative pressure in the air suction cover 5, harmful gas generated in the hot melting position of the plastic film enters the air suction cover from the air inlet hole 7, and then the harmful gas is collected or purified, so that the operator inhales the harmful gas and the harm to the health of the operator is avoided.

[0036] After the plastic film is hot melted and processed, the hot melting plate 4 is lifted, negative pressure is carried out in the air suction cover 5, air enters the air suction cover from the air inlet channel 6, at this time, the air flow rate around the plastic film is accelerated, and the cooling rate of the plastic film is effectively improved.

[0037] The technical terms or scientific terms used in the description of the present application should be the general meaning understood by the general technical personnel in the field to which the present application belongs. The words indicating the direction or position relationship such as "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer" and the like used in the description of the present application are only used to indicate the relative direction or position relationship, and not to imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and the relative position relationship thereof may also change correspondingly when the absolute position of the described object changes, therefore it cannot be understood as a limitation on the present application. The "first", "second", "third" and the like used in the description of the present application are only for the purpose of description, to distinguish different components, and cannot be understood as indicating or implying relative importance.

[0038] The "one", "an" or "the" and the like similar words used in the description of the present application should not be understood as the absolute limitation on the quantity, but should be understood as the existence of at least one. The "including" or "containing" and the like similar words used in the description of the present application mean that the elements or objects appearing before the words cover the elements or objects listed after the words and their equivalents, and other elements or objects are not excluded.

[0039] 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 variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A hot melt device for producing plastic film, comprising a workbench (1) for placing the plastic film, characterized in that: The invention also includes a hot melt plate (4) for hot-melting the plastic film. An air suction hood (5) is provided on the outside of the hot melt plate (4) and can surround the hot melt plate (4). The air suction hood (5) is hollow and has an opening at the bottom. A gap between the air suction hood (5) and the hot melt plate (4) forms an air inlet channel (6). Gas enters the air suction hood (5) through the air inlet channel (6) to accelerate the cooling speed of the plastic film. A plurality of air inlet holes (7) are provided on the side wall of the air suction hood (5). Gas enters the air suction hood (5) through the air inlet holes (7).

2. The hot melt equipment for producing plastic film according to claim 1, characterized in that: The suction hood (5) is connected to a gas delivery pipe (9), which delivers gas.

3. The hot melt equipment for producing plastic film according to claim 2, characterized in that: One end of the gas delivery pipe (9) is connected to an air purifier (10), and the air purifier (10) purifies the gas.

4. The hot melt equipment for producing plastic film according to claim 3, characterized in that: An air pump is provided in the air purifier (10) to provide power for transporting the gas.

5. The hot melt equipment for producing plastic film according to claim 4, characterized in that: The workbench (1) is provided with a mounting frame (2), and the mounting frame (2) is provided with a lifting device (3) for driving the suction hood (5) and the hot melt plate (4) to rise and fall.

6. The hot melt equipment for producing plastic film according to claim 5, characterized in that: The suction hood (5) and the hot melt plate (4) are connected via a plurality of connecting columns (8).

7. The hot melt equipment for producing plastic film according to claim 6, characterized in that: The workbench (1) is provided with a controller (11), and the controller (11) controls the lifting and lowering of the lifting device (3), controls the heating of the hot melt plate (4), and controls the operation of the air purifier (10).

8. A hot melt device for producing plastic film according to any one of claims 1 to 7, characterized in that: The bottom end of the suction hood (5) is not lower than the bottom end of the hot melt plate (4).

Images