Plastic polypropylene infusion bottle blowing device

Abstract

The utility model discloses a plastic bottle blowing device for polypropylene infusion bottles, which relates to the technical field of polypropylene infusion bottle processing and comprises a fixing plate, an air cylinder fixed above the fixing plate and a lifting frame connected to the output end of the air cylinder, a plurality of groups of air blowing pipes are arranged in the lifting frame in parallel, and the upper parts of the air blowing pipes are connected with air inlet heads for air inlet; the outer wall of the air blowing pipe is fixedly connected with a limiting plug, and the outer wall of the limiting plug is sleeved with a gear disc through a bearing. According to the air blowing device, the gear discs are arranged on the outer wall of the air blowing pipe through the bearings, the gear discs can synchronously rotate on the outer wall of the air blowing pipe under the action of meshing arrangement of the gear discs, and the cutting rings are connected to the bottom ends of the gear discs; the cutting ring can remove the corners, outside the limiting plug, of the polypropylene infusion bottle, the structure is simple, work of the air blowing pipe is not interfered, integrated treatment of bottle blowing and deburring of the polypropylene infusion bottle is achieved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of polypropylene infusion bottle processing, in particular to a polypropylene infusion bottle plastic bottle blowing device. Background Art

[0002] A bottle blowing machine refers to a machine for blowing bottles. The most obvious explanation is that it is a machine that can blow plastic particles or finished bottle embryos into bottles through certain technological means. In the processing of polypropylene infusion bottles, the process flow is extrusion, bottle blowing, deburring, and blowing air through the bottle embryo to blow the bottle.

[0003] A bottle preform stretching and blowing device based on a PP infusion bottle blow molding machine is disclosed in a Chinese patent document with publication number CN204222155U. The bottle preform stretching and blowing device of the PP infusion bottle blow molding machine includes a stretching cylinder and a sealing cylinder. The stretching rod passes through the piston of the sealing cylinder. The lower end of the piston is connected to a sealing blowing joint. A blowing hole is formed in the sealing blowing joint. The blowing hole is connected to a first blowing pipe. A sealing pressure ring is installed at the lower part of the sealing blowing joint. The inner diameter of the sealing pressure ring is larger than the outer diameter of the mouth of the PP infusion bottle. The bottom surface of the sealing pressure ring and the retaining ring of the PP infusion bottle preform are in contact and sealed with each other. The stretching rod is hollow inside, and an air outlet hole is opened at its top pressure end. A second blowing pipe is connected to the connecting end of the stretching rod.

[0004] Although the above-mentioned preform stretching and blowing device is sealed by a sealing pressure ring, the device cannot synchronously remove the corners of the top of the bottle body after blowing and stretching, and usually requires the use of subsequent devices or manual processing, which affects the blowing quality and blowing efficiency of the polypropylene infusion bottle and has low practicality. Utility Model Content

[0005] The utility model aims to solve the problem that the existing device cannot synchronously remove the corners of the top of the bottle body after blowing and stretching, and usually needs to adopt a subsequent device or manual processing, which affects the blowing quality and blowing efficiency of the polypropylene infusion bottle and has low practicality. A polypropylene infusion bottle plastic bottle blowing device is proposed to solve the problem that the existing device cannot synchronously remove the corners of the top of the bottle body after blowing and stretching, and usually needs to adopt a subsequent device or manual processing, which affects the blowing quality and blowing efficiency of the polypropylene infusion bottle and has low practicality.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A polypropylene infusion bottle plastic bottle blowing device comprises a fixed plate, a cylinder fixed above the fixed plate and a lifting frame connected to the output end of the cylinder, wherein a plurality of groups of blowing pipes are arranged in parallel inside the lifting frame, and the upper part of the blowing pipe is connected to an air inlet head for air intake;

[0008] The outer wall of the air blowing pipe is fixedly connected to a limit stopper, and the outer wall of the limit stopper is provided with a gear plate through a bearing sleeve;

[0009] The bottom end of the gear plate is connected with a cutting ring through multiple sets of screws.

[0010] As a further description of the above technical solution:

[0011] The multiple groups of gear plates are arranged in parallel and meshing, and the outer sides of the gear plates are meshed with driving gears.

[0012] As a further description of the above technical solution:

[0013] The driving gear is connected to the bottom end of the rotating rod, and the rotating rod is arranged below the lifting frame, and the rotating rod is connected to the output end of the driving motor.

[0014] As a further description of the above technical solution:

[0015] The cutting ring is arranged in an "I"-shaped ring, and a plurality of groups of threaded holes for accommodating screw installation are arranged through the top of the cutting ring.

[0016] As a further description of the above technical solution:

[0017] A plurality of guide rods are fixedly mounted on the surface of the lifting frame, and the guide rods are arranged through the lower part of the fixing plate.

[0018] As a further description of the above technical solution:

[0019] The fixing plate is arranged in an "L"-shaped structure, and a through hole capable of accommodating the movement of the cylinder output end is opened in the middle of the bottom end of the fixing plate.

[0020] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0021] In the utility model, a gear plate is arranged on the outer wall of the blowing tube through a bearing. Under the action of the meshing arrangement of the multiple sets of gear plates, the multiple sets of gear plates can rotate synchronously on the outer wall of the blowing tube. A cutting ring is connected to the bottom end of the gear plate, so that the cutting ring can remove the corners of the polypropylene infusion bottle outside the limit plug. The utility model has a simple structure and does not interfere with the operation of the blowing tube. The integrated processing of the deburring of the polypropylene infusion bottle blowing bottle is realized, and the production efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a polypropylene infusion bottle plastic bottle blowing device in the utility model;

[0023] Figure 2 It is a front view cross-sectional structural schematic diagram of a polypropylene infusion bottle plastic bottle blowing device in the utility model;

[0024] Figure 3 For the utility model Figure 2A schematic diagram of the enlarged structure at point A;

[0025] Figure 4 It is a partial cross-sectional structural schematic diagram of the cutting ring in the utility model.

[0026] Legend:

[0027] 1. Fixing plate; 2. Cylinder; 3. Lifting frame; 4. Air inlet head; 5. Air blowing pipe; 6. Limit plug; 7. Bearing; 8. Gear plate; 9. Screw; 10. Cutting ring; 11. Driving gear; 12. Rotating rod; 13. Driving motor; 14. Guide rod. DETAILED DESCRIPTION

[0028] 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 of 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.

[0029] Reference Figure 1-Figure 4 A polypropylene infusion bottle plastic bottle blowing device comprises a fixed plate 1, a cylinder 2 fixed above the fixed plate 1, a lifting frame 3 connected to the output end of the cylinder 2, an air inlet head 4, an air blowing pipe 5, a stopper 6, a bearing 7, a gear plate 8, a screw 9, a cutting ring 10, a driving gear 11, a rotating rod 12, a driving motor 13 and a guide rod 14. The fixed plate 1 is arranged in an "L"-shaped structure, and the cylinder 2 is fixedly installed above the fixed plate 1. Considering the telescopic effect of the cylinder 2, a through hole that can accommodate the activity of the output end of the cylinder 2 is opened in the middle of the bottom end of the fixed plate 1. At the same time, the lifting frame 3 is connected to the output end of the cylinder 2 for easy lifting. The lowering frame 3 is telescopic above the mold. Further, considering the blowing effect of the polypropylene infusion bottle, two sets of blowing pipes 5 are arranged in parallel inside the lifting frame 3, and the upper part of the blowing pipe 5 is connected with an air inlet head 4 for air intake, ensuring the air outlet effect of the blowing pipe 5. This is the prior art and will not be repeated. In order to achieve the lifting stability and balance of the lifting frame 3, multiple sets of guide rods 14 are fixedly installed on the surface of the lifting frame 3, and the guide rods 14 are arranged through the bottom of the fixed plate 1, so as to guide the lifting of the lifting frame 3, and the structure is simple and practical, ensuring the accuracy of the blowing pipe 5 inside the mold.

[0030] Considering the need to remove the edges and corners on the surface of the polypropylene infusion bottle after bottle blowing, a limit plug 6 is fixedly connected to the outer wall of the blowing tube 5, so that the limit plug 6 fits the outer wall of the blowing tube 5 with the inner wall of the bottle mouth, ensuring the descent accuracy of the blowing tube 5. At the same time, a gear plate 8 is sleeved on the outer wall of the limit plug 6 through a bearing 7. Specifically, the inner ring of the bearing 7 is connected to the outer wall of the limit plug 6, and the outer ring of the bearing 7 is connected to the inner wall of the gear plate 8, so that the gear plate 8 can rotate outside the blowing tube 5. In addition, by setting two sets of blowing tubes 5, the two sets of gear plates 8 are arranged in parallel meshing, ensuring that the two sets of gear plates 8 To achieve the synchronous rotation effect, further, in order to realize the driving of the gear plate 8, a driving gear 11 is meshedly arranged on the outer side of the gear plate 8, so that the driving gear 11 rotates to drive the gear plate 8 on one side to rotate, thereby rotating the meshing gear plate 8. Specifically, the driving gear 11 is connected to the bottom end of the rotating rod 12, and the rotating rod 12 is arranged below the lifting frame 3, and the rotating rod 12 is connected to the output end of the driving motor 13, so that the driving motor 13 drives the driving gear 11, and the driving motor 13 is fixedly installed on the surface of the lifting frame 3, ensuring the working stability of the driving gear 11;

[0031] In order to realize the rotation of the gear plate 8 and quickly remove the corners above the polypropylene infusion bottle, a cutting ring 10 is connected to the bottom end of the gear plate 8 through multiple sets of screws 9. Specifically, the cutting ring 10 is arranged in an "I"-shaped ring, and the bottom end of the cutting ring 10 is a sharp structure. At the same time, multiple sets of threaded holes that can accommodate the installation of screws 9 are opened above the cutting ring 10, so that the cutting ring 10 can be stably installed at the bottom end of the gear plate 8. Through the setting of the cutting ring 10, the gear plate 8 can synchronously drive the cutting ring 10 to rotate on the surface of the polypropylene infusion bottle when it rotates, thereby removing the corners at the top.

[0032] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A polypropylene infusion bottle plastic bottle blowing device, comprising a fixed plate (1), a cylinder (2) fixed above the fixed plate (1), and a lifting frame (3) connected to the output end of the cylinder (2), characterized in that: A plurality of groups of air blowing pipes (5) are arranged in parallel inside the lifting frame (3), and the upper parts of the air blowing pipes (5) are connected to air intake heads (4) for air intake; The outer wall of the air blowing pipe (5) is fixedly connected to a limit stopper (6), and the outer wall of the limit stopper (6) is sleeved with a gear plate (8) via a bearing (7); The bottom end of the gear plate (8) is connected to a cutting ring (10) via a plurality of sets of screws (9).

2. A polypropylene infusion bottle plastic bottle blowing device according to claim 1, characterized in that: The plurality of groups of gear plates (8) are arranged in parallel and meshing with each other, and a driving gear (11) is meshingly arranged on the outer side of the gear plate (8).

3. A polypropylene infusion bottle plastic bottle blowing device according to claim 2, characterized in that: The driving gear (11) is connected to the bottom end of the rotating rod (12), and the rotating rod (12) is arranged below the lifting frame (3), and the rotating rod (12) is connected to the output end of the driving motor (13).

4. A polypropylene infusion bottle plastic bottle blowing device according to claim 1, characterized in that: The cutting ring (10) is arranged in an "I"-shaped ring, and a plurality of groups of threaded holes capable of accommodating the installation of screws (9) are provided through the top of the cutting ring (10).

5. A polypropylene infusion bottle plastic bottle blowing device according to claim 3, characterized in that: A plurality of guide rods (14) are fixedly mounted on the surface of the lifting frame (3), and the guide rods (14) are arranged to penetrate below the fixing plate (1).

6. A polypropylene infusion bottle plastic bottle blowing device according to claim 5, characterized in that: The fixing plate (1) is arranged in an "L"-shaped structure, and a through hole capable of accommodating the movement of the output end of the cylinder (2) is provided in the middle of the bottom end of the fixing plate (1).

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