Film blowing machine for producing degradable environment-friendly film plastic bag

Abstract

The utility model discloses a film blowing machine for producing degradable environment-friendly film plastic bags, which comprises a bottom plate, the top of the bottom plate is sequentially provided with a first fan, a heating box, a film blowing machine main body, a first support plate, a flattening device, a shearing device and a second support plate from left to right, the air outlet end of the first fan is fixedly communicated with the heating box, and the air outlet end of the second fan is fixedly communicated with the heating box. The top of the heating box fixedly communicates with a first air outlet pipe, the end, away from the heating box, of the first air outlet pipe fixedly communicates with the film blowing machine body, a first rotating motor is fixedly installed at the bottom of the left side of the film blowing machine body, and a rotating rod is fixedly installed at the output end of the first rotating motor. According to the film blowing machine, the fourth supporting plate, the electric telescopic rod, the fifth supporting plate and the cutting blade are used in cooperation, automatic shearing is achieved, after a roll is wound, a film plastic bag can be automatically sheared, manual shearing of workers is not needed, and the practicability of the film blowing machine is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag production and processing, in particular to a film blowing machine for producing degradable and environment-friendly film plastic bags. Background Art

[0002] Plastic bags are bags made of plastic as the main raw material. They are indispensable items in people's daily lives. Film blowing machines are used in the production and processing of plastic bags.

[0003] After searching, the patent number is CN213648584U, and the name is "Film blowing machine for plastic bag production", including a mounting plate. Through research and analysis, it is found that although during use, the air above the film blowing mechanism on the inner side of the positioning circular frame can enter between the protective frame and the positioning circular frame through the air inlet hole, and then pass downward through the HEPA filter and the activated carbon filter frame for purification and then be discharged, thereby purifying the air and reducing harm to employees, but, to a certain extent, the following disadvantages still exist.

[0004] If it does not have the cutting function, the film plastic bag cannot be cut automatically after a roll is collected and needs to be cut manually by the staff. It also does not have the flattening function, which reduces the practicality of the film blowing machine. In order to solve the above technical problems, we have designed a film blowing machine for the production of degradable and environmentally friendly film plastic bags. Utility Model Content

[0005] The utility model aims to provide a film blowing machine for producing degradable and environmentally friendly film plastic bags, which has the advantage of shearing and solves the problem that the film plastic bags cannot be automatically sheared after a roll is collected and need to be sheared manually by staff.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a film blowing machine for producing degradable and environmentally friendly film plastic bags, comprising a base plate, on the top of which are sequentially installed from left to right a first fan, a heating box film blowing machine body, a first support plate, a flattening device, a shearing device, and a second support plate, the air outlet end of the first fan is fixedly connected to the heating box, the top of the heating box is fixedly connected to a first air outlet pipe, the end of the first air outlet pipe away from the heating box is fixedly connected to the film blowing machine body, a first rotating motor is fixedly installed at the bottom of the left side of the film blowing machine body, a rotating rod is fixedly installed at the output end of the first rotating motor, the right side of the rotating rod passes through the inner cavity of the film blowing machine body, a stirring rod is fixedly installed on the outer ring of the rotating rod, and the flattening device comprises a third support plate, the number of the third support plates is two, and they are distributed front and back, and a first connecting rod is arranged on the inner side of the third support plate.

[0007] Preferably, the bottom of the third support plate is fixedly connected to the base plate, the front and rear sides of the first connecting rod both penetrate the third support plate and are fixedly installed with a support sleeve, the bottom of the third support plate away from the side is fixedly installed with a connecting plate, a rotating threaded rod is provided at the bottom of the connecting plate, the top thread of the rotating threaded rod penetrates the connecting plate and is movably connected to the support sleeve through a bearing, the outer ring movable sleeve of the first connecting rod is provided with a pressing cylinder, and an opening for use with the first connecting rod is opened on the side away from the third support plate.

[0008] Preferably, the shearing device includes a fourth support plate, the bottom of which is fixedly connected to the base plate, there are two fourth support plates, which are distributed front to back, a fifth support plate is fixedly installed on the top of the fourth support plate, an electric telescopic rod is fixedly installed on the front and rear sides of the bottom of the fifth support plate, and a cutting blade is fixedly installed on the bottom of the electric telescopic rod.

[0009] Preferably, a film outlet is opened on the right side of the top of the film blowing machine body, a feed inlet is opened on the left side of the top of the film blowing machine body, a dustproof plate is placed on the top of the feed inlet, the number of the first support plates is two, and they are distributed front and back, a second connecting rod is fixedly installed on the corresponding side of the first support plate, and a roller is provided on the outer ring movable sleeve of the second connecting rod.

[0010] Preferably, a refrigeration box is fixedly installed on the top of the film blowing machine body, a second fan is fixedly installed on the rear side of the left side of the top of the film blowing machine body, the air outlet end of the second fan is fixedly connected with the refrigeration box, a refrigerator is fixedly installed in the inner cavity of the refrigeration box, a heater is fixedly installed in the inner cavity of the heating box, an air outlet disk is fixedly installed on the right side of the refrigeration box, and an air outlet for use with the air outlet disk is opened on the right side of the refrigeration box.

[0011] Preferably, a second rotating motor is fixedly mounted on the front surface of the second supporting plate, a hexagonal screw is fixedly mounted on the output end of the second rotating motor, a winding drum is provided on the outer ring movable sleeve of the hexagonal screw, and a hexagonal screw sleeve is provided on the rear side of the outer ring of the hexagonal screw.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model has automatic shearing through the coordinated use of the fourth support plate, the electric telescopic rod, the fifth support plate and the cutting blade. After a roll is collected, the film plastic bag can be automatically sheared without manual shearing by the staff, thereby improving the practicability of the film blowing machine.

[0014] 2. The utility model has the advantage of flattening through the coordinated use of the third support plate, the first connecting rod, the connecting plate, the rotating threaded rod, the support sleeve and the pressing cylinder, and can flatten the plastic bag after film blowing, thereby improving the practicality of the film blowing machine. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a top view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the main structure of the film blowing machine of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the flattening device of the utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the shearing device of the utility model.

[0020] In the figure: 1, bottom plate; 2, first fan; 3, heating box; 4, refrigeration box; 5, film blowing machine body; 6, second fan; 7, first support plate; 8, roller; 9, second connecting rod; 10, air outlet plate; 11, flattening device; 1101, third support plate; 1102, first connecting rod; 1103, connecting plate; 1104, rotating threaded rod; 1105, supporting sleeve; 1106, pressing cylinder; 12, shearing device; 1201, fourth support plate; 1202, electric telescopic rod; 1203, fifth support plate; 1204, cutting blade; 13, hexagonal screw; 14, winding drum; 15, second support plate; 16, second rotating motor; 17, first rotating motor; 18, heater; 19, rotating rod; 20, stirring rod; 21, refrigerator. DETAILED DESCRIPTION

[0021] See also Figure 1-Figure 5A film blowing machine for producing biodegradable and environmentally friendly film plastic bags comprises a bottom plate 1, on the top of which are sequentially installed a first fan 2, a heating box 3 and a film blowing machine body 5, a first support plate 7, a flattening device 11, a shearing device 12 and a second support plate 15 from left to right, an air outlet end of the first fan 2 is fixedly connected to the heating box 3, a first air outlet pipe is fixedly connected to the top of the heating box 3, an end of the first air outlet pipe away from the heating box 3 is fixedly connected to the film blowing machine body 5, a first rotating motor 17 is fixedly installed at the bottom of the left side of the film blowing machine body 5, a rotating rod 19 is fixedly installed at the output end of the first rotating motor 17, the right side of the rotating rod 19 passes through the inner cavity of the film blowing machine body 5, a stirring rod 20 is fixedly installed on the outer ring of the rotating rod 19, and the flattening device 11 comprises a third support plate 1101, the number of the third support plates 1101 is two, and they are distributed front and back, and a first connecting rod 1102 is arranged on the inner side of the third support plate 1101.

[0022] The bottom of the third support plate 1101 is fixedly connected to the bottom plate 1, the front and rear sides of the first connecting rod 1102 both penetrate the third support plate 1101 and are fixedly installed with a support sleeve 1105, the bottom of the third support plate 1101 away from the side is fixedly installed with a connecting plate 1103, the bottom of the connecting plate 1103 is provided with a rotating threaded rod 1104, the top thread of the rotating threaded rod 1104 penetrates the connecting plate 1103 and is movably connected to the support sleeve 1105 through a bearing, the outer ring movable sleeve of the first connecting rod 1102 is provided with a pressing cylinder 1106, and the side of the third support plate 1101 away from the side is provided with an opening used to cooperate with the first connecting rod 1102. Through the use of the pressing cylinder 1106, it has a flattening function and can flatten the plastic bag.

[0023] The shearing device 12 includes a fourth support plate 1201, the bottom of which is fixedly connected to the base plate 1. There are two fourth support plates 1201, which are distributed front to back. A fifth support plate 1203 is fixedly installed on the top of the fourth support plate 1201. An electric telescopic rod 1202 is fixedly installed on the front and rear sides of the bottom of the fifth support plate 1203. A cutting blade 1204 is fixedly installed on the bottom of the electric telescopic rod 1202. By using the cutting blade 1204, the cutting function is achieved, so that plastic bags can be cut.

[0024] A film outlet is provided on the right side of the top of the film blowing machine body 5, a feed port is provided on the left side of the top of the film blowing machine body 5, a dustproof plate is placed on the top of the feed port, there are two first support plates 7, and they are distributed front and back, a second connecting rod 9 is fixedly installed on the corresponding side of the first support plate 7, and a roller 8 is provided on the outer ring movable sleeve of the second connecting rod 9. Through the use of the first support plate 7, it has a supporting function and can support the second connecting rod 9.

[0025] A refrigeration box 4 is fixedly installed on the top of the film blowing machine body 5, a second fan 6 is fixedly installed on the rear side of the left side of the top of the film blowing machine body 5, the air outlet end of the second fan 6 is fixedly connected to the refrigeration box 4, a refrigerator 21 is fixedly installed in the inner cavity of the refrigeration box 4, a heater 18 is fixedly installed in the inner cavity of the heating box 3, an air outlet disk 10 is fixedly installed on the right side of the refrigeration box 4, and an air outlet used in conjunction with the air outlet disk 10 is opened on the right side of the refrigeration box 4. Through the use of the heater 18, it has a heating function and can melt the plastic particles in the film blowing machine body 5.

[0026] A second rotating motor 16 is fixedly mounted on the front surface of the second supporting plate 15, and a hexagonal screw 13 is fixedly mounted on the output end of the second rotating motor 16. A winding drum 14 is provided on the outer ring movable sleeve of the hexagonal screw 13, and a hexagonal screw sleeve is provided on the rear side of the outer ring of the hexagonal screw 13. Through the use of the second rotating motor 16, the hexagonal screw 13 has a rotating function and can drive the hexagonal screw 13 to rotate.

[0027] When in use, the first rotating motor 17, the first fan 2, the second fan 6, the heater 18 and the refrigerator 21 are started by an external switch, and plastic particles are added into the film blowing machine body 5 through the feed port. The first rotating motor 17 drives the rotating rod 19 to rotate, and the rotating rod 19 drives the stirring rod 20 to rotate, thereby driving the plastic particles in the film blowing machine body 5 to rotate, and the hot air in the heating box 3 is brought into the film blowing machine body 5 by the first fan 2 to melt the plastic particles in the film blowing machine body 5, and the plastic is blown through the film blowing machine body 5. After the film blowing is completed, it is pulled out from the discharge port, and the cold air in the refrigeration box 4 is blown out through the air outlet plate 10 by the second fan 6, thereby the plastic bag at the discharge port is cooled. The plastic bag passes through the top of the roller 8 and moves to the bottom of the pressing cylinder 1106. The plastic bag is rolled up by the winding cylinder 14. When one roll is rolled up, the electric telescopic rod 1202 is extended by an external switch. The electric telescopic rod 1202 drives the shear knife to move downward. The shear knife shears the plastic bag. The hexagonal screw sleeve is removed, the winding cylinder 14 is pulled out, and the winding cylinder 14 is replaced. When the height of the pressing cylinder 1106 needs to be lowered, the rotating threaded rod 1104 is rotated in the opposite direction. The rotating threaded rod 1104 drives the support sleeve 1105 to move downward. The support sleeve 1105 drives the first connecting rod 1102 to move downward. The first connecting rod 1102 drives the pressing cylinder 1106 to move downward.

[0028] In summary: the film blowing machine for producing biodegradable and environmentally friendly film plastic bags, through the coordinated use of the fourth support plate 1201, the electric telescopic rod 1202, the fifth support plate 1203 and the cutting blade 1204, solves the problem that after a roll is collected, the film plastic bag cannot be automatically cut and needs to be cut manually by the staff.

Claims

1. A film blowing machine for producing biodegradable environmentally friendly film plastic bags, comprising a bottom plate (1), characterized in that: The top of the bottom plate (1) is provided with a first fan (2), a heating box (3), a film blowing machine body (5), a first support plate (7), a flattening device (11), a shearing device (12) and a second support plate (15) in sequence from left to right. The air outlet end of the first fan (2) is fixedly connected to the heating box (3). The top of the heating box (3) is fixedly connected to a first air outlet pipe. The end of the first air outlet pipe away from the heating box (3) is fixedly connected to the film blowing machine body (5). The bottom of the left side of the film blowing machine body (5) is fixedly provided with a first fan (2). There is a first rotating motor (17), the output end of the first rotating motor (17) is fixedly mounted with a rotating rod (19), the right side of the rotating rod (19) penetrates the inner cavity of the film blowing machine body (5), the outer ring of the rotating rod (19) is fixedly mounted with a stirring rod (20), the flattening device (11) includes a third support plate (1101), the number of the third support plates (1101) is two and they are distributed front to back, and the inner side of the third support plate (1101) is provided with a first connecting rod (1102).

2. The film blowing machine for producing biodegradable environmentally friendly film plastic bags according to claim 1, characterized in that: The bottom of the third support plate (1101) is fixedly connected to the bottom plate (1), the front and rear sides of the first connecting rod (1102) both pass through the third support plate (1101) and are fixedly installed with a support sleeve (1105), the bottom of the third support plate (1101) away from the side is fixedly installed with a connecting plate (1103), the bottom of the connecting plate (1103) is provided with a rotating threaded rod (1104), the top thread of the rotating threaded rod (1104) passes through the connecting plate (1103) and is movably connected to the support sleeve (1105) through a bearing, the outer ring movable sleeve of the first connecting rod (1102) is provided with a pressure cylinder (1106), and the side of the third support plate (1101) away from the side is provided with an opening for use with the first connecting rod (1102).

3. The film blowing machine for producing biodegradable environmentally friendly film plastic bags according to claim 1, characterized in that: The shearing device (12) comprises a fourth support plate (1201), the bottom of the fourth support plate (1201) being fixedly connected to the bottom plate (1), the number of the fourth support plates (1201) being two and being distributed front to back, a fifth support plate (1203) being fixedly mounted on the top of the fourth support plate (1201), an electric telescopic rod (1202) being fixedly mounted on the front and rear sides of the bottom of the fifth support plate (1203), and a cutting blade (1204) being fixedly mounted on the bottom of the electric telescopic rod (1202).

4. The film blowing machine for producing biodegradable environmentally friendly film plastic bags according to claim 1, characterized in that: A film outlet is provided on the right side of the top of the film blowing machine body (5), a material feed port is provided on the left side of the top of the film blowing machine body (5), a dustproof plate is placed on the top of the material feed port, two first support plates (7) are provided and are distributed front to back, a second connecting rod (9) is fixedly mounted on one side corresponding to the first support plate (7), and a roller (8) is movably sleeved on the outer ring of the second connecting rod (9).

5. The film blowing machine for producing biodegradable environmentally friendly film plastic bags according to claim 1, characterized in that: A refrigeration box (4) is fixedly installed on the top of the film blowing machine body (5), a second fan (6) is fixedly installed on the rear side of the left side of the top of the film blowing machine body (5), the air outlet end of the second fan (6) is fixedly connected to the refrigeration box (4), a refrigerator (21) is fixedly installed in the inner cavity of the refrigeration box (4), a heater (18) is fixedly installed in the inner cavity of the heating box (3), an air outlet disk (10) is fixedly installed on the right side of the refrigeration box (4), and an air outlet for use with the air outlet disk (10) is opened on the right side of the refrigeration box (4).

6. The film blowing machine for producing biodegradable and environmentally friendly film plastic bags according to claim 1, characterized in that: A second rotary motor (16) is fixedly mounted on the front surface of the second support plate (15), a hexagonal screw (13) is fixedly mounted on the output end of the second rotary motor (16), a reel (14) is movably sleeved on the outer ring of the hexagonal screw (13), and a hexagonal screw sleeve is sleeved on the rear side of the outer ring of the hexagonal screw (13).

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