Convenient-to-use blow molding machine for plastic bag production

Abstract

The utility model discloses a plastic bag production blow molding machine convenient to use, which comprises a machine body, cooling fans are fixedly mounted on two sides in the machine body, a blow molding machine main body is fixedly mounted in the machine body, a filter screen plate is mounted at the top end of the blow molding machine main body, and a heating tank is mounted at the top end of the machine body. And a discharging pipe is fixedly connected between the heating tank and the machine body, a feeding port is fixedly formed in one side of the top end of the heating tank, and a driving motor is fixedly connected to the middle position of the top end of the heating tank. According to the plastic bag production blow molding machine convenient to use, the speed of air circulation in the machine body can be increased through a cooling fan, the rapid cooling forming function is achieved, the guide angle of a guide roller can be adjusted, and during adjustment, a limiting clamping block is moved out of a limiting clamping groove firstly; and then the supporting frame is moved to a proper guiding position and then is positioned by using the limiting clamping block, so that the problem of poor guiding and cooling effects is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of blow molding equipment, in particular to a blow molding machine for producing plastic bags which is easy to use. Background Art

[0002] Plastic bags are bags made of plastic as the main raw material. They are indispensable items in people's daily lives. Plastic bags need to be produced using blow molding machines. The basic working principle of blow molding machines is: inflate the softened thermoplastic parison to make it close to the cooling surface of the closed mold, and the inflated parison solidifies to form a hollow plastic product.

[0003] After searching, it was found that during the blow molding of plastic bags by common blow molding machines, the plastic bags are slowly cooled and formed during transportation. The slow cooling rate will cause too much dust and impurities to adhere to the outside of the plastic bags, resulting in poor quality of plastic bag production.

[0004] Urgently need a plastic bag production blow molding machine that is easy to use to solve the technical defects proposed in the above technology. Utility Model Content

[0005] The utility model aims to provide a blow molding machine for producing plastic bags which is easy to use, so as to solve the problems of poor guiding and cooling effects in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a blow molding machine for producing plastic bags that is easy to use, comprising a machine body, cooling fans are fixedly installed on both sides of the machine body, a blow molding machine main body is fixedly installed inside the machine body, a filter screen is installed on the top of the blow molding machine main body, a heating tank is installed on the top of the machine body, a discharge pipe is fixedly connected between the heating tank and the machine body, a feed inlet is fixedly installed on one side of the top of the heating tank, a driving motor is fixedly connected at the middle position of the top of the heating tank, a stirring shaft is movably installed on the top of the heating tank, a dustproof net is fixedly connected on both sides of the machine body, a discharge port is arranged at the bottom ends of both sides of the machine body, a blow molding port is arranged at both sides of the bottom end of the blow molding machine main body, fixed rods are installed on both sides of the blow molding port, support frames are movably installed at both ends of the fixed rod, guide rollers are movably installed inside the support frame, a limiting block is movably installed on one side of the support frame, and limiting slots are arranged at both ends of the fixed rod.

[0007] Preferably, the dustproof net is installed on one side of the cooling fan, and the cooling fan is arranged on one side of the blow molding port.

[0008] Preferably, the limiting slots are distributed in a ring shape on the fixing rod, and the limiting blocks are embedded in the limiting slots.

[0009] Preferably, the output end of the driving motor is fixedly connected to the top end of the stirring shaft, and a solenoid valve is installed inside the discharge pipe.

[0010] Preferably, the top ends of both sides of the stirring shaft are fixedly connected with first stirring rods, the bottom ends of both sides of the stirring shaft are fixedly connected with second stirring rods, and the outside of the heating tank is fixedly connected with a heat preservation sleeve.

[0011] Preferably, two groups of the first stirring rods are provided, and one side of the first stirring rods is in contact with the inner side of the heating tank.

[0012] Preferably, guide plates are fixedly connected to both sides of the filter screen plate, a mounting block is fixedly connected to one side of the guide plate, and mounting grooves are fixedly connected to the top ends of both sides inside the machine body.

[0013] Preferably, the installation groove is in a concave shape, and the installation block is embedded in the installation groove.

[0014] Compared with the prior art, the utility model has the beneficial effects that: the blow molding machine for producing plastic bags, which is easy to use, not only realizes the function of improving the guiding and cooling efficiency, realizes the function of facilitating sufficient stirring, but also realizes the function of facilitating filtering;

[0015] (1) By providing a cooling fan, a blow molding port, a guide roller, a dustproof net, a support frame, a limit card slot and a limit card block, when the blow molding machine body blows the plastic into a plastic bag and discharges it from the blow molding port, the guide roller can guide and convey the blown plastic bag. During the conveying process, the cooling fan can speed up the air circulation rate inside the machine body, thereby realizing the function of quickly cooling and molding the formed plastic bag. The guide angle of the guide roller is adjustable. When adjusting, first move the limit card block out of the limit card slot, then move the support frame to a suitable guide position, and then use the limit card block to position it. This structure realizes the function of facilitating guidance and improving cooling efficiency;

[0016] (2) By providing a heat preservation sleeve, a heating tank, a stirring shaft, a driving motor, a first stirring rod and a second stirring rod, when the plastic enters the heating tank for heating and softening, the heat preservation sleeve can slow down the rate of temperature loss inside the heating tank, the driving motor drives the stirring shaft to fully stir the plastic, the second stirring rod outside the stirring shaft can improve the stirring efficiency, and the first stirring rod can scrape off the plastic adhering to the inner wall of the heating tank. This structure realizes the function of facilitating full stirring;

[0017] (3) By providing the installation groove, the filter screen, the installation block and the guide plate, the plastic particles can enter the interior of the heating tank from the feed port to be heated and softened, and the softened plastic is discharged from the discharge pipe into the interior of the machine body. Before the plastic enters the interior of the blow molding machine, it needs to pass through the filter screen. The filter screen can filter the particles in the plastic solution that are not fully softened, thereby preventing the plastic particles from entering the interior of the blow molding machine. The filter screen can be taken out from the interior of the machine body and cleaned regularly. This structure realizes the function of facilitating filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front cross-sectional structure of the heating tank of the utility model;

[0020] Figure 3 For the utility model Figure 1 The enlarged structural diagram at A in the middle;

[0021] Figure 4 It is a front view structural schematic diagram of the guide roller of the utility model.

[0022] In the figure: 1. Machine body; 2. Cooling fan; 3. Fixing rod; 4. Blow molding machine body; 5. Mounting slot; 6. Filter screen; 7. Insulation sleeve; 8. Heating tank; 9. Stirring shaft; 10. Feed inlet; 11. Driving motor; 12. First stirring rod; 13. Second stirring rod; 14. Discharge pipe; 15. Blow molding port; 16. Guide roller; 17. Dustproof net; 18. Discharge port; 19. Solenoid valve; 20. Mounting block; 21. Guide plate; 22. Support frame; 23. Limiting slot; 24. Limiting block. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4, a blow molding machine for producing plastic bags that is easy to use, comprises a machine body 1, cooling fans 2 are fixedly installed on both sides of the machine body 1, a blow molding machine body 4 is fixedly installed inside the machine body 1, a filter screen plate 6 is installed at the top of the blow molding machine body 4, a heating tank 8 is installed at the top of the machine body 1, a discharge pipe 14 is fixedly connected between the heating tank 8 and the machine body 1, a feed inlet 10 is fixedly installed on one side of the top of the heating tank 8, a driving motor 11 is fixedly connected at the middle position of the top of the heating tank 8, a stirring shaft 9 is movably installed at the top of the heating tank 8, a dustproof net 17 is fixedly connected on both sides of the machine body 1, a discharge port 18 is arranged at the bottom ends of both sides of the machine body 1, a blow molding port 15 is arranged on both sides of the bottom end of the blow molding machine body 4, a fixing rod 3 is installed on both sides of the blow molding port 15, a support frame 22 is movably installed at both ends of the fixing rod 3, a guide roller 16 is movably installed inside the support frame 22, a limit block 24 is movably installed on one side of the support frame 22, and a limit slot 23 is arranged at both ends of the fixing rod 3;

[0025] The dustproof net 17 is installed on one side of the cooling fan 2, and the cooling fan 2 is arranged on one side of the blow molding port 15. The limiting slots 23 are distributed in an annular shape on the fixing rod 3, and the limiting blocks 24 are embedded in the limiting slots 23.

[0026] Specifically, Figure 1 and Figure 4 As shown, the guide roller 16 can guide and convey the blown plastic bags. During the conveying process, the cooling fan 2 can speed up the air circulation rate inside the body 1, thereby realizing the function of quickly cooling and forming the formed plastic bags. The guide angle of the guide roller 16 is adjustable. When adjusting, first move the limit block 24 out of the limit slot 23, and then move the support frame 22 to a suitable guide position and then use the limit block 24 to position it.

[0027] Embodiment 2: The output end of the driving motor 11 is fixedly connected to the top of the stirring shaft 9, a solenoid valve 19 is installed inside the discharge pipe 14, the tops of both sides of the stirring shaft 9 are fixedly connected to the first stirring rods 12, the bottoms of both sides of the stirring shaft 9 are fixedly connected to the second stirring rods 13, the outside of the heating tank 8 is fixedly connected to the insulation sleeve 7, two groups of the first stirring rods 12 are provided, and one side of the first stirring rods 12 is in contact with the inner side of the heating tank 8;

[0028] Specifically, Figure 1 and Figure 2 As shown, the insulation sleeve 7 can slow down the rate of temperature loss inside the heating tank 8, the driving motor 11 drives the stirring shaft 9 to fully stir the plastic, the second stirring rod 13 outside the stirring shaft 9 can improve the stirring efficiency, the first stirring rod 12 can scrape off the plastic adhering to the inner wall of the heating tank 8, and finally the fully stirred plastic can be discharged from the discharge pipe 14.

[0029] Embodiment 3: The two sides of the filter screen plate 6 are fixedly connected with guide plates 21, one side of the guide plate 21 is fixedly connected with a mounting block 20, the tops of the two sides inside the body 1 are fixedly connected with mounting grooves 5, the mounting grooves 5 are in a "concave" shape, and the mounting block 20 is embedded in the mounting grooves 5;

[0030] Specifically, Figure 1 and Figure 3 As shown, the softened plastic is discharged from the discharge pipe 14 into the interior of the machine body 1. Before the plastic enters the interior of the blow molding machine body 4, it needs to pass through the filter plate 6. The filter plate 6 can filter the particles in the plastic solution that have not been fully softened, thereby preventing the plastic particles from entering the interior of the blow molding machine body 4. The filter plate 6 can be taken out from the interior of the machine body 1 and cleaned regularly.

[0031] Working principle: When the utility model is in use, the plastic particles need to be put into the interior of the heating tank 8 from the feed port 10 first, the heating tank 8 heats and softens the plastic particles, the insulation sleeve 7 can slow down the rate of temperature loss inside the heating tank 8, the driving motor 11 drives the stirring shaft 9 to fully stir the plastic, the first stirring rod 12 can scrape off the plastic adhering to the inner wall of the heating tank 8, and finally the fully stirred plastic is discharged from the discharge pipe 14. Before the plastic enters the interior of the blow molding machine body 4, it needs to pass through the filter screen 6 first. The filter screen 6 can filter the particles that are not fully softened in the plastic solution to prevent the plastic particles from entering the interior of the blow molding machine body 4. When the blow molding machine body 4 blows the plastic into a plastic bag and discharges it from the blow molding port 15, the guide roller 16 can guide and convey the blown plastic bag. During the conveying process, the cooling fan 2 can speed up the rate of air circulation inside the machine body 1, thereby realizing the function of quickly cooling and molding the formed plastic bag.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A blow molding machine for producing plastic bags that is easy to use, comprising a machine body (1), Features: Cooling fans (2) are fixedly installed on both sides of the machine body (1), a blow molding machine body (4) is fixedly installed inside the machine body (1), a filter screen (6) is installed at the top of the blow molding machine body (4), a heating tank (8) is installed at the top of the machine body (1), a discharge pipe (14) is fixedly connected between the heating tank (8) and the machine body (1), a feed inlet (10) is fixedly installed on one side of the top of the heating tank (8), a drive motor (11) is fixedly connected at the middle position of the top of the heating tank (8), and a stirring device (14) is movably installed at the top of the heating tank (8). A mixing shaft (9), dustproof nets (17) are fixedly connected on both sides of the machine body (1), discharge ports (18) are arranged at the bottom ends of both sides of the machine body (1), blow molding ports (15) are arranged on both sides of the bottom end of the blow molding machine body (4), fixed rods (3) are installed on both sides of the blow molding ports (15), support frames (22) are movably installed at both ends of the fixed rod (3), guide rollers (16) are movably installed inside the support frame (22), a limiting block (24) is movably installed on one side of the support frame (22), and limiting slots (23) are arranged at both ends of the fixed rod (3).

2. A blow molding machine for producing plastic bags that is easy to use according to claim 1, Features: The dustproof net (17) is installed on one side of the cooling fan (2), and the cooling fan (2) is arranged on one side of the blow molding port (15).

3. A blow molding machine for producing plastic bags that is easy to use according to claim 1, Features: The limiting slots (23) are distributed in a ring shape on the fixing rod (3), and the limiting blocks (24) are embedded in the limiting slots (23).

4. A blow molding machine for producing plastic bags that is easy to use according to claim 1, Features: The output end of the driving motor (11) is fixedly connected to the top end of the stirring shaft (9), and a solenoid valve (19) is installed inside the discharge pipe (14).

5. A blow molding machine for producing plastic bags that is easy to use according to claim 1, Features: The top ends of both sides of the stirring shaft (9) are fixedly connected to first stirring rods (12), the bottom ends of both sides of the stirring shaft (9) are fixedly connected to second stirring rods (13), and the outside of the heating tank (8) is fixedly connected to a heat preservation sleeve (7).

6. A blow molding machine for producing plastic bags that is easy to use according to claim 5, Features: Two groups of the first stirring rods (12) are provided, and one side of the first stirring rods (12) is in contact with the inner side of the heating tank (8).

7. A blow molding machine for producing plastic bags that is easy to use according to claim 1, Features: Guide plates (21) are fixedly connected to both sides of the filter screen plate (6), a mounting block (20) is fixedly connected to one side of the guide plate (21), and mounting grooves (5) are fixedly connected to the top ends of both sides of the machine body (1).

8. A blow molding machine for producing plastic bags that is easy to use according to claim 7, Features: The installation groove (5) is in a concave shape, and the installation block (20) is embedded in the installation groove (5).

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