Cutting device for granulator

Abstract

The utility model provides a cutting device for a granulator. The cutting device solves the problem that a cutter of a cutting device in an existing granulator is inconvenient to replace. The device further comprises a box door, one end of the box door is hinged to the machine box in a matched mode, a handrail is installed on the box door, and the motor is installed on the outer side of the box door. The connecting sleeve is installed at the output end of the motor, the connecting sleeve is provided with a connecting groove, and the connecting groove is provided with connecting holes which are symmetrically arranged; the mounting shaft is provided with a connecting part used for being matched with the connecting groove, and the cutter is arranged on the mounting shaft; the connecting columns are arranged on the two sides of the connecting part and used for being matched with the connecting holes, and limiting parts are arranged at the ends, away from the connecting holes, of the connecting columns; and the elastic reset piece is arranged between the limiting parts. When the cutter needs to be replaced, the box door is opened, the connecting column is contracted towards the interior of the connecting part, the connecting column is separated from the connecting hole, the mounting shaft can be detached, then the mounting shaft provided with a new cutter is mounted, and finally the box door is closed, so that the cutter is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic production equipment, in particular to a cutting device for a granulator. Background Art

[0002] Plastic granulator is a kind of equipment for recycling waste plastics. The production process of plastic granulator is to feed waste plastics into the barrel, convey, compress, homogenize and completely melt the materials through the screw, and draw them into strips in the molten state, and finally obtain the required plastic particles after granulation by the plastic cutting mechanism.

[0003] After long-term use, the cutter will have problems of curling and wear and needs to be replaced. The cutting device of the existing granulator generally includes a chassis, one side of which cooperates with the end of the extruder, a cutter is arranged in the chassis, and a motor connected to the cutter is installed on the other side of the chassis. Since the cutter and the motor are fixedly installed, it is not convenient to replace the cutter. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the utility model provides a cutting device for a granulator, which solves the problem of inconvenient replacement of the cutter of the cutting device in the existing granulator.

[0005] The technical solution adopted by the utility model is as follows:

[0006] A cutting device for a granulator, comprising a chassis, a cutter is arranged inside the chassis, a motor connected to the cutter is arranged outside the chassis, and further comprising:

[0007] A box door, one end of which is hinged with the chassis, a handrail is installed on the box door, and the motor is installed on the outside of the box door;

[0008] A connecting sleeve is installed at the output end of the motor, the connecting sleeve is provided with a connecting groove, and the connecting groove is provided with connecting holes arranged symmetrically;

[0009] An installation shaft, used to cooperate with the connecting sleeve, the connecting sleeve is provided with a connecting portion used to cooperate with the connecting groove, and the tool is arranged on the installation shaft;

[0010] A connecting column is arranged on both sides of the connecting part, the connecting column is used to cooperate with the connecting hole, and a limiting part is arranged at one end of the connecting column away from the connecting hole;

[0011] The elastic reset member is arranged between the limiting parts.

[0012] The elastic return member is a spring.

[0013] The limiting portion is provided with a guide column for cooperating with the spring.

[0014] The inner wall of the connecting groove is provided with a No. 1 groove, and the outer wall of the connecting portion is provided with a protrusion for matching with the No. 1 groove.

[0015] A second groove is also provided on the inner wall of the connecting groove. The second groove and the connecting hole are located in the same plane, and the depth of the second groove gradually increases in the direction away from the connecting hole.

[0016] A No. 1 magnet is arranged on the other side of the box door, and a No. 2 magnet is arranged on the box for cooperating with the No. 1 magnet.

[0017] An observation window and a lighting lamp are installed on the top surface of the chassis.

[0018] The beneficial effects of the utility model are:

[0019] When the tool needs to be replaced, open the box door, let the connecting column retract into the connecting part, separate the connecting column from the connecting hole, then remove the mounting shaft, and then install the mounting shaft with the new tool. Finally, close the box door to make tool replacement convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the utility model.

[0021] Figure 2 It is a schematic diagram of the cooperation between the connecting sleeve and the installation shaft of the utility model.

[0022] Figure 3 It is a schematic diagram of the cooperation between the connecting portion and the connecting groove of the utility model.

[0023] Figure 4 It is a schematic diagram of a chassis of the utility model.

[0024] Chassis 1, tool 2, motor 3, box door 4, handrail 5, connecting sleeve 6, connecting groove 7, connecting hole 8, mounting shaft 9, connecting part 10, connecting column 11, limiting part 12, elastic reset part 13, guide column 14, No. 1 groove 15, protrusion 16, No. 2 groove 17, No. 1 magnet 18, No. 2 magnet 19, observation window 20, and lighting lamp 21. DETAILED DESCRIPTION

[0025] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0026] In the embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 As shown, the cutting device for a granulator comprises a chassis 1, a cutter 2 is arranged inside the chassis 1, a motor 3 connected to the cutter 2 is arranged outside the chassis 1, and further comprises:

[0027] A box door 4, one end of which is hingedly connected to the chassis 1, a handrail 5 is installed on the box door 4, and the motor 3 is installed on the outside of the box door 4;

[0028] A connecting sleeve 6 is installed at the output end of the motor 3, the connecting sleeve 6 is provided with a connecting groove 7, and the connecting groove 7 is provided with connecting holes 8 which are symmetrically arranged;

[0029] A mounting shaft 9, used to cooperate with the connecting sleeve 6, the connecting sleeve 6 is provided with a connecting portion 10 for cooperating with the connecting groove 7, and the tool 2 is arranged on the mounting shaft 9;

[0030] A connecting column 11 is provided on both sides of the connecting portion 10, and the connecting column 11 is used to cooperate with the connecting hole 8. A limiting portion 12 is provided at one end of the connecting column 11 away from the connecting hole;

[0031] The elastic reset member 13 is arranged between the limiting parts 12 .

[0032] When the tool 2 needs to be replaced, the box door 4 is opened, and the connecting column 11 is allowed to retract toward the connecting portion 10, so that the connecting column 11 is separated from the connecting hole 8. The mounting shaft 9 can then be removed, and then the mounting shaft 9 with the new tool 2 installed can be installed. Finally, the box door 4 is closed, making it convenient to replace the tool 2.

[0033] In the embodiment, the elastic reset member 13 is a spring. The spring has high elasticity and is easy to deform, which facilitates the expansion and contraction of the connecting column 11.

[0034] In the embodiment, Figure 1 , Figure 2 , Figure 3 As shown, the limiting portion 12 is provided with a guide column 14 for cooperating with the spring, so that the connecting column 11 moves in a linear manner, which facilitates the coupling and separation of the connecting column 11 and the connecting hole 8.

[0035] In the embodiment, Figure 3 As shown, the inner wall of the connecting groove 7 is provided with a first groove 15, and the outer wall of the connecting portion 10 is provided with a protrusion 16 for matching with the first groove 15. The matching of the first groove 15 and the protrusion 16 facilitates the matching of the connecting column 11 and the connecting hole 8, while ensuring the stable rotation of the mounting shaft 8.

[0036] In the embodiment, Figure 1 , Figure 2 As shown, the inner wall of the connecting groove 7 is further provided with a second groove 17, the second groove 17 and the connecting hole 8 are located in the same plane, and the depth of the second groove 17 gradually increases in the direction away from the connecting hole 8. When the connecting portion 10 moves in the connecting groove 7 toward the connecting hole 8, the connecting column 11 is gradually compressed in the second groove 16, which facilitates the installation of the installation shaft 9.

[0037] In the embodiment, Figure 4 As shown, a first magnet 18 is provided on the other side of the box door 4, and a second magnet 19 is provided on the chassis 1 for cooperating with the first magnet 18. The box door 4 is easy to open and close.

[0038] In the embodiment, Figure 4 As shown, the top surface of the chassis 1 is provided with an observation window 20 and an illuminating lamp 21, which are used to clearly observe the pelletizing condition in the chassis 1 so as to find problems in time.

[0039] Obviously, the above embodiments of the present invention are merely examples for illustrating the present invention, and are not intended to limit the implementation methods of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to provide all the implementation methods here. However, these obvious changes or modifications derived from the essential spirit of the present invention still fall within the scope of protection of the present invention.

Claims

1. A cutting device for a granulator, comprising a housing (1), wherein a cutter (2) is arranged inside the housing (1), and a motor (3) for connecting to the cutter (2) is arranged outside the housing (1), characterized in that: Also includes: A box door (4), one end of the box door (4) being hingedly connected to the machine box (1), a handrail (5) being installed on the box door (4), and the motor (3) being installed on the outside of the box door (4); A connecting sleeve (6) is mounted on the output end of the motor (3), the connecting sleeve (6) being provided with a connecting groove (7), and the connecting groove (7) being provided with connecting holes (8) arranged symmetrically; A mounting shaft (9) for cooperating with a connecting sleeve (6), the connecting sleeve (6) being provided with a connecting portion (10) for cooperating with a connecting groove (7), and the tool (2) being arranged on the mounting shaft (9); A connecting column (11) is arranged on both sides of the connecting portion (10), the connecting column (11) is used to cooperate with the connecting hole (8), and a limiting portion (12) is provided at one end of the connecting column (11) away from the connecting hole; The elastic reset member (13) is arranged between the limiting portions (12).

2. The cutting device for a granulator according to claim 1, characterized in that: The elastic reset element (13) is a spring.

3. The cutting device for a granulator according to claim 2, characterized in that: The limiting portion (12) is provided with a guide column (14) for cooperating with a spring.

4. The cutting device for a granulator according to claim 1, characterized in that: The inner wall of the connecting groove (7) is provided with a first groove (15), and the outer wall of the connecting portion (10) is provided with a protrusion (16) for matching with the first groove (15).

5. The cutting device for a granulator according to claim 1, characterized in that: The inner wall of the connecting groove (7) is further provided with a second groove (17), the second groove (17) and the connecting hole (8) are located in the same plane, and the depth of the second groove (17) gradually increases in a direction away from the connecting hole (8).

6. The cutting device for a granulator according to claim 1, characterized in that: A first magnet (18) is provided on the other side of the box door (4), and a second magnet (19) is provided on the box (1) for cooperating with the first magnet (18).

7. The cutting device for a granulator according to claim 1, characterized in that: An observation window (20) and an illumination lamp (21) are installed on the top surface of the chassis (1).

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