Machine head connecting structure of plastic granulator

Abstract

The utility model relates to the technical field of pelletizers, in particular to a machine head connecting structure of a plastic pelletizer, which comprises a pelletizer body, a machine head and an extrusion head, the machine head is arranged at the discharging end of the granulator body, a first rotating shaft is arranged between the machine head and the extrusion head, one face of the machine head is attached to the extrusion head, the upper end and the lower end of the first rotating shaft are rotationally connected with a first connecting plate and a second connecting plate respectively, and one end of the first connecting plate is opposite to one end of the second connecting plate. The ends, opposite to the machine head, of the extrusion head are inserted into a first connecting plate and a second connecting plate correspondingly, one end of the first connecting plate is fixedly connected with a first connecting block, one end of the second connecting plate is fixedly connected with a second connecting block, and the first connecting block and the second connecting block are fixed through a bolt. The traditional flange fixing mode is changed, the extrusion head can be separated from the machine head by loosening one bolt, and the extrusion head is more convenient and labor-saving to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of granulators, in particular to a connecting structure of a plastic granulator head. Background Technique

[0002] A granulator is a forming machine that can manufacture materials into specific shapes. It is widely used in the fields of chemical industry, petrochemical industry, pharmaceutical industry, food industry, building materials, mining, environmental protection, printing and dyeing, ceramics, rubber, plastics, etc. The recycling and resource utilization of waste plastics is a production method stemming from a profound understanding of the environment and resources, reducing environmental pollution caused by waste plastics and reducing waste of resources. Realizing the recycling and resource utilization of waste plastics is a major event that benefits the country and the people.

[0003] At present, the discharge end of the granulator head is connected to the extrusion head, and the raw materials are extruded and then cut into particles through a pelletizing device. However, the existing connection between the head and the extrusion head is usually fixed by a flange, and the flange is fixed by multiple bolts, which is time-consuming and troublesome to install. Content of the Utility Model

[0004] The purpose of the utility model is to provide a connecting structure of a plastic granulator head to solve the problem that the existing connection between the head and the extrusion head is usually fixed by a flange, and the flange is fixed by multiple bolts, which is time-consuming and troublesome to install as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: including a granulator body, a head, and an extrusion head; the head is arranged at the discharge end of the granulator body, a first rotating shaft is arranged between the head and the extrusion head, one side of the head is attached to the extrusion head, the upper and lower ends of the first rotating shaft are respectively rotationally connected to a first connecting plate and a second connecting plate, one ends of the first connecting plate and the second connecting plate are opposite to each other, and the opposite ends of the extrusion head and the head are respectively inserted into the first connecting plate and the second connecting plate. A first connecting block is fixedly connected to one end of the first connecting plate, a second connecting block is fixedly connected to one end of the second connecting plate, and the first connecting block and the second connecting block are fixed by bolts.

[0006] Preferably, connecting rings are respectively arranged on the opposite surfaces of the head and the extrusion head, the two connecting rings are attached together, and the two connecting rings are respectively inserted into the first connecting plate and the second connecting plate.

[0007] Preferably, fixing grooves are respectively opened on the inner sides of the first connecting plate and the second connecting plate, and the two connecting rings are respectively inserted into the fixing grooves.

[0008] Preferably, second rotating shafts are respectively arranged at the connection parts of the first connecting plate and the second connecting plate with the first rotating shaft.

[0009] Preferably, notches are respectively formed in the first connecting block and the second connecting block. The lower end of the bolt is located below the first connecting block, and the upper end of the bolt extends to the second connecting block through the two notches. A nut is threadedly connected to the outer wall of the bolt, and the lower end of the nut is attached to the top of the second connecting block.

[0010] Preferably, the first connecting plate and the second connecting plate are respectively semi-circular rings, and when the first connecting plate and the second connecting plate are connected, they form an annular shape.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows: Loosen the bolt, rotate the first connecting plate and the second connecting plate on the first rotating shaft, separate the first connecting plate and the second connecting plate by rotation, and release the fixation on the machine head and the extrusion head. Through the first rotating shaft provided at the connection between the machine head and the extrusion head, the extrusion head rotates at the edge of the machine head, and the extrusion head can be opened. By changing the conventional flange fixing method, the extrusion head can be separated from the machine head by loosening one bolt, and it is more convenient and labor-saving to disassemble the extrusion head. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 is a schematic structural diagram of the present utility model;

[0013] Figure 2 is an expanded structural diagram of the machine head and the extrusion head of the present utility model;

[0014] Figure 3 is an expanded structural diagram of the first connecting plate and the second connecting plate of the present utility model;

[0015] Figure 4 is a side view structural diagram of the first connection and the second connecting plate of the present utility model.

[0016] In the figure: 1, granulator body; 2, machine head; 3, extrusion head; 5, first rotating shaft; 6, second rotating shaft; 7, first connecting plate; 8, second connecting plate; 9, first connecting block; 10, second connecting block; 11, connecting ring; 12, fixing groove; 13, bolt. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Embodiment

[0019] Please refer to Figures 1-4, in the illustration: This embodiment is a preferred embodiment in this technical solution, a connecting structure of a plastic granulator head, including a granulator body 1, a head 2, and an extrusion head 3; the head 2 is arranged at the discharge end of the granulator body 1, and a first rotating shaft 5 is arranged between the head 2 and the extrusion head. One side of the head 2 is in contact with the extrusion head 3. The upper and lower ends of the first rotating shaft 5 are respectively rotatably connected with a first connecting plate 7 and a second connecting plate 8. One ends of the first connecting plate 7 and the second connecting plate 8 are opposite. The opposite ends of the extrusion head 3 and the head 2 are respectively inserted into the interiors of the first connecting plate 7 and the second connecting plate 8. One end of the first connecting plate 7 is fixedly connected with a first connecting block 9, and one end of the second connecting plate 8 is fixedly connected with a second connecting block 10. The first connecting block 9 and the second connecting block 10 are fixed by a bolt 13.

[0020] As Figure 2 , 4 shown, connecting rings 11 are respectively arranged on the opposite surfaces of the head 2 and the extrusion head 3. The two connecting rings 11 are in contact with each other, and the two connecting rings 11 are respectively inserted into the interiors of the first connecting plate 7 and the second connecting plate 8. Through the connecting rings 11 respectively provided on the head 2 and the extrusion head 3, and the connecting rings 11 are inserted into the interiors of the first connecting plate 7 and the second connecting plate 8, it is used to restrain and fix the head 2 and the extrusion head 3.

[0021] As Figure 2 , 3 shown, fixing grooves 12 are respectively opened on the inner sides of the first connecting plate 7 and the second connecting plate 8. The two connecting rings 11 are respectively inserted into the fixing grooves 12. Through the fixing grooves 12 respectively opened on the first connecting plate 7 and the second connecting plate 8, it is used for the two connecting rings 11 to be inserted into the interiors of the first connecting plate 7 and the second connecting plate 8.

[0022] As Figure 1 , 2 shown, second rotating shafts 6 are respectively arranged at the connection parts of the first connecting plate 7 and the second connecting plate 8 with the first rotating shaft 5. Through the second rotating shafts 6 respectively arranged between the first connecting plate 7 and the second connecting plate 8 and the first rotating shaft 5, the first connecting plate 7 and the second connecting plate 8 are respectively located at the upper and lower ends of the first rotating shaft 5 to rotate, and the second rotating shafts 6 are installed at the fixed parts of the first rotating shaft 5.

[0023] As Figure 2 , 3As shown, notches (not marked in the attached drawing) are respectively provided on the first connecting block 9 and the second connecting block 10. The lower end of the bolt 13 is located below the first connecting block 9, and the upper end of the bolt 13 extends to the second connecting block 10 through the two notches. A nut (not marked in the attached drawing) is threadedly connected to the outer wall of the bolt 13, and the lower end of the nut is attached to the top of the second connecting block 10. Through the notches provided on the first connecting block 9 and the second connecting block 10, the bolt 13 is used to pass through the first connecting block 9 and the second connecting block 10 respectively, and the bolt 13 is fixed by the nut to restrict and fix the first connecting block 9 and the second connecting block 10.

[0024] As Figure 1 , 2 shown, the first connecting plate 7 and the second connecting plate 8 are respectively semi-circular rings, and when the first connecting plate 7 and the second connecting plate 8 are connected, they form an annular shape.

[0025] In this embodiment, first install all parts. When disassembling, loosen the bolt 13 to release the restraint and fixation on the first connecting block 9 and the second connecting block 10. Rotate the first connecting plate 7 and the second connecting plate 8 on the first rotating shaft 5 to separate the first connecting plate 7 and the second connecting plate 8, releasing the fixation on the machine head 2 and the extrusion head 3. Through the first rotating shaft 5 provided at the connection between the machine head 2 and the extrusion head 3, the extrusion head 3 can be rotated at the edge of the machine head 2, and the extrusion head 3 can be opened.

[0026] During installation, first rotate the extrusion head 3 so that the connecting ring 11 provided on the extrusion head 3 coincides with the connecting ring 11 provided on the machine head 2. Rotate the first connecting plate 7 and the second connecting plate 8 to engage with the two connecting rings 11 to form a circle. When one end of the first connecting plate 7 and the second connecting plate 8 is opposite, the two connecting rings 11 are respectively located inside the first connecting plate 7 and the second connecting plate 8. Fix the bolt 13 on the first connecting block 9 and the second connecting block 10 to restrict and fix the first connecting plate 7 and the second connecting plate 8, and fix the machine head 2 and the extrusion head 3 together.

[0027] The above content is a further detailed description of the present invention in combination with specific embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention belongs, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, which should all be regarded as belonging to the protection scope determined by the claims submitted for the present invention.

Claims

1. A connecting structure for the head of a plastic granulator, comprising a granulator body (1), a head (2), and an extrusion head (3); characterized in that: The head (2) is arranged at the discharging end of the granulator body (1). A first rotating shaft (5) is arranged between the head (2) and the extruder. One side of the head (2) is in contact with the extrusion head (3). The upper and lower ends of the first rotating shaft (5) are respectively rotatably connected with a first connecting plate (7) and a second connecting plate (8). One ends of the first connecting plate (7) and the second connecting plate (8) are opposite to each other. The opposite ends of the extrusion head (3) and the head (2) are respectively inserted into the interiors of the first connecting plate (7) and the second connecting plate (8). One end of the first connecting plate (7) is fixedly connected with a first connecting block (9). One end of the second connecting plate (8) is fixedly connected with a second connecting block (10). The first connecting block (9) and the second connecting block (10) are fixed by a bolt (13).

2. The head connection structure of a plastic granulator according to claim 1, characterized in that: Connecting rings (11) are respectively arranged on the opposite surfaces of the head (2) and the extrusion head (3). The two connecting rings (11) are in contact with each other. The two connecting rings (11) are respectively inserted into the interiors of the first connecting plate (7) and the second connecting plate (8).

3. A connecting structure of a plastic granulator head according to claim 2, characterized in that: Fixing grooves (12) are respectively formed on the inner sides of the first connecting plate (7) and the second connecting plate (8). The two connecting rings (11) are respectively inserted into the fixing grooves (12).

4. The head connection structure of a plastic granulator according to claim 1, characterized in that: Second rotating shafts (6) are respectively arranged at the connection parts of the first connecting plate (7) and the second connecting plate (8) with the first rotating shaft (5).

5. The head connection structure of a plastic granulator according to claim 1, characterized in that: Notches are respectively formed on the first connecting block (9) and the second connecting block (10). The lower end of the bolt (13) is located below the first connecting block (9). The upper end of the bolt (13) extends to the second connecting block (10) through the two notches. A nut is threadedly connected to the outer wall of the bolt (13). The lower end of the nut is in contact with the top of the second connecting block (10).

6. The head connection structure of a plastic granulator according to claim 1, characterized in that: The first connecting plate (7) and the second connecting plate (8) are respectively semi-circular rings. When the first connecting plate (7) and the second connecting plate (8) are connected, they form an annular shape.

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