Granulation mechanism for plastic granulator

Abstract

The utility model relates to the technical field of plastic pelletizers, in particular to a pelletizing mechanism for a plastic pelletizer, which is characterized in that a pressing plate is arranged on the inner wall of a box body, a connecting plate is arranged on the other end surface of the box body positioned at a feed port, and a first motor, a second motor and a sliding chute are respectively arranged on the other two side surfaces of the box body; fixing blocks are arranged on two side surfaces of the upper cover plate; the device has the beneficial effects that when the machine is disassembled, the upper cover plate is taken down from the box body only by screwing bolts on a fixing block, then the connection with the box body is released by screwing bolts on a clamping plate, the clamping plate is taken down, a belt on a first belt wheel is taken down, and the pelletizing assembly can be pushed to slide to a connecting plate along a sliding groove, so that a worker can disassemble and assemble the device conveniently; the grain cutting assembly is convenient to maintain, clean and repair, the grain cutting assembly does not need to be taken down from the box body, accidental injury of a cutter part of the grain cutting assembly to the worker is avoided, and meanwhile damage caused by collision in the taking-out process of the grain cutting assembly can be avoided.

Description

Technical Field

[0001] The utility model relates to the field of plastic granulators, in particular to a granulating mechanism used for plastic granulators. Background Art

[0002] Plastic refers to a plastic material with high molecular weight synthetic resin as the main component, with appropriate additives such as plasticizers, stabilizers, antioxidants, flame retardants, colorants, etc., processed and formed, or a rigid material formed by curing and cross-linking.

[0003] In the prior art, a pelletizer is usually used for cutting. The pelletizer can cut plastic blocks into particles of a specified size, which is convenient for plastic packaging, transportation and processing.

[0004] However, it is very inconvenient to disassemble the existing pelletizer. After long-term use, the interior of the pelletizer is easily damaged or contaminated with dirt, which in turn affects the use efficiency of the pelletizer and affects the production efficiency and yield rate of the product. Utility Model Content

[0005] The purpose of the utility model is to provide a pelletizing mechanism for a plastic pelletizer to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pelletizing mechanism for a plastic pelletizer, the pelletizing mechanism for a plastic pelletizer comprising: a box body, a discharge pipe is arranged on the lower surface of the box body, a pressing plate is arranged on the inner wall of the box body, a feed port is arranged at one end of the box body, a connecting plate is arranged on the other end surface of the box body located at the feed port, and a first motor, a second motor and a slide groove are arranged on the other two side surfaces of the box body respectively;

[0007] An upper cover plate, with fixing blocks arranged on both sides of the upper cover plate.

[0008] Preferably, the second motor drive shaft is fixedly connected to one end of a single roller, and the roller is rotatably connected to the inner wall of the box body through a bearing.

[0009] Preferably, the connecting plate is in a "convex" shaped structure, one end of the connecting plate is fixedly connected to the box body, the protruding portion on the upper surface of the connecting plate is aligned with the protruding portion on the lower surface of the slide groove, and the other end of the connecting plate is fixedly connected to the limit block.

[0010] Preferably, two pressing plates are fixedly connected to the inner wall of the box, and the pressing plates are in a square plate-shaped structure.

[0011] Preferably, the transmission shaft of the first motor is fixedly connected to the second pulley, and the second pulley is connected to the first pulley via a belt.

[0012] Preferably, the first pulley is fixedly connected to the transmission shaft of the pelletizing assembly, the transmission shaft of the pelletizing assembly is connected to the slider through a bearing, the slider is in an "I"-shaped structure, the slider can move in the slide groove, the clamping plate can be inserted into the slide groove, and the clamping plate is fixed to the box body by bolts.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The pelletizing mechanism for a plastic granulator proposed by the utility model starts a first motor and a second motor to drive the pelletizing assembly and the rotating roller to rotate. A staff member inserts one end of a plastic strip into a feed port, and the rotating roller passes the plastic strip from between the pressing plates to the pelletizing assembly. The pressing plate can prevent the pelletizing assembly from tilting when cutting the plastic strip, thereby causing the plastic strip to bend, resulting in the cut plastic being inconsistent in size, affecting product quality. At the same time, the pressing plate can also prevent the plastic strip with higher hardness from being excessively bent and then broken, affecting production efficiency. When disassembling the machine, it is only necessary to screw the bolts on the fixing block to remove the upper cover plate from the box body, and then screw the bolts on the card plate to release the connection with the box body, remove the card plate, and remove the belt on the first pulley, so that the pelletizing assembly can be pushed to slide along the slide groove until it reaches the connecting plate, which is convenient for the staff to disassemble and install, and is convenient for the staff to perform maintenance, cleaning and repair work. There is no need to remove the pelletizing assembly from the box body, which avoids accidental injury to the staff by the cutter part of the pelletizing assembly, and also avoids damage to the pelletizing assembly due to collision during the removal process. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the back view of the structure of the utility model;

[0016] Figure 2 for Figure 1 The enlarged structural diagram at A in the middle;

[0017] Figure 3 It is a side view schematic diagram of the structure of the utility model;

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

[0019] Figure 5 It is a schematic diagram of the local structure of the utility model.

[0020] In the figure: 1, box body; 2, pelletizing assembly; 3, upper cover; 4, discharge pipe; 5, feed port; 6, first motor; 7, second motor; 8, connecting plate; 9, pressing plate; 10, chute; 11, slider; 12, roller; 13, belt; 14, fixed block; 15, limit block; 16, clamping plate; 17, first pulley;

[0021] 18. Second pulley. DETAILED DESCRIPTION

[0022] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit 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.

[0023] Embodiment 1

[0024] See also Figure 1-Figure 5 The utility model provides a technical solution: a pelletizing mechanism for a plastic pelletizer, the pelletizing mechanism for a plastic pelletizer comprising: a box body 1, a discharge pipe 4 is arranged on the lower surface of the box body 1, a pressing plate 9 is arranged on the inner wall of the box body 1, a feed port 5 is arranged at one end of the box body 1, a connecting plate 8 is arranged on the other end surface of the box body 1 located at the feed port 5, and a first motor 6 and a second motor 7 and a slide 10 are arranged on the other two sides of the box body 1; an upper cover plate 3, and fixing blocks 14 are arranged on the two sides of the upper cover plate 3;

[0025] When in use, align the groove part on the slider 11 on the transmission shaft of the pelletizing assembly 2 with the protruding part on the connecting plate 8 to install, push the pelletizing assembly 2 to slide towards the slide groove 10 until the pelletizing assembly 2 is installed in the box body 1, and then insert the clamping plate 16 into the slide groove 10 along the groove part on the slider 11 to fix the slider 11, and use bolts to fix the clamping plate 16 on the box body 1, so as to fix the slider 11 and the pelletizing assembly 2 on the box body 1. Finally, the upper cover plate 3 is installed on the box body 1, and the upper cover plate 3 is threadedly connected to the box body 1 by using bolts to penetrate the fixing block 14 set on the side of the upper cover plate 3. The belt 13 is used to connect the first pulley 17 and the second pulley 18, and the first motor 6 and the second motor 7 are started to drive the pelletizing assembly 2 and the roller 12 to rotate. The staff inserts one end of the plastic strip along the feed port 5, and the roller 12 drives the plastic strip to pass through between the two pressing plates 9 to the pelletizing assembly 2. The rotating pelletizing assembly 2 cuts the plastic strip into plastic particles, which are finally discharged from the discharge pipe 4.

[0026] Embodiment 2

[0027] On the basis of the first embodiment, in order to prevent the plastic from bending when the pelletizing mechanism is cutting the plastic, resulting in inconsistent sizes of the cut plastic particles, a second motor 7 is provided, the transmission shaft of the second motor 7 is fixedly connected to one end of a single roller 12, the roller 12 is rotatably connected to the inner wall of the box body 1 through a bearing, two pressing plates 9 are fixedly connected to the inner wall of the box body 1, and the pressing plates 9 are square plate-shaped structures, the transmission shaft of the first motor 6 is fixedly connected to the second pulley 18, and the second pulley 18 is connected to the first pulley 17 through a belt 13;

[0028] During specific use, the staff inserts one end of the plastic strip along the feed port 5, and the roller 12 drives the plastic strip to pass through the two pressing plates 9 to the pelletizing assembly 2. The pressing plate 9 can prevent the pelletizing assembly 2 from tilting up when cutting the plastic strip, causing the plastic strip to bend, thereby causing the cut plastic particles to be inconsistent in size and affecting the product quality. It can also prevent the plastic strip with higher hardness from being excessively bent, thereby causing the plastic strip to break, thereby affecting the production efficiency.

[0029] Embodiment 3

[0030] On the basis of the second embodiment, in order to facilitate the disassembly, maintenance or cleaning of the pelletizing mechanism, a connecting plate 8 is provided, the connecting plate 8 is in a "convex"-shaped structure, one end of the connecting plate 8 is fixedly connected to the box body 1, the protruding portion on the upper surface of the connecting plate 8 is just aligned with the protruding portion on the lower surface of the inner groove 10, the other end of the connecting plate 8 is fixedly connected to the limit block 15, the first pulley 17 is fixedly connected to the transmission shaft of the pelletizing assembly 2, the transmission shaft of the pelletizing assembly 2 is connected to the slider 11 through a bearing, the slider 11 is in an "I"-shaped structure, the slider 11 can move in the groove 10, the clamping plate 16 can be clamped in the groove 10, and the clamping plate 16 is fixed to the box body 1 by bolts;

[0031] During specific use, the bolts on the fixing block 14 are screwed to remove the upper cover plate 3 from the box body 1, the bolts on the clamping plate 16 are screwed to release the connection between the clamping plate 16 and the box body 1, the clamping plate 16 is taken out of the slide groove 10, and the belt 13 on the first pulley 17 is removed, so that the pelletizing assembly 2 can be pushed to slide along the slide groove 10 until it reaches the connecting plate 8, which is convenient for the staff to disassemble and install. The staff can perform routine maintenance, cleaning and repair work on the pelletizing mechanism without removing the pelletizing assembly 2 from the box body 1, thereby avoiding accidental injury to the staff by the cutting knife part of the pelletizing assembly 2, and also avoiding damage caused by collision during the removal of the pelletizing assembly 2.

[0032] In actual use, the first motor 6 and the second motor 7 are started to drive the pelletizing assembly 2 and the roller 12 to rotate. The staff inserts one end of the plastic strip into the feed port 5, and the roller 12 passes the plastic strip from between the pressing plates 9 to the pelletizing assembly 2. The pressing plate 9 can prevent the pelletizing assembly 2 from tilting when cutting the plastic strip, thereby causing the plastic strip to bend, resulting in inconsistent sizes of the cut plastic, affecting product quality. At the same time, the pressing plate 9 can also prevent the plastic strip with higher hardness from being excessively bent and then broken, affecting production efficiency. When disassembling the machine, only the fixed plate 9 needs to be twisted to prevent the plastic strip from being bent. The bolts on the fixed block 14 remove the upper cover plate 3 from the box body 1, and then the bolts on the clamping plate 16 are turned to release the connection with the box body 1, the clamping plate 16 is removed, and the belt 13 on the first pulley 17 is removed, so that the pelletizing assembly 2 can be pushed to slide along the slide groove 10 until it reaches the connecting plate 8, which is convenient for the staff to disassemble and install, and convenient for the staff to carry out maintenance, cleaning and repair work. There is no need to remove the pelletizing assembly 2 from the box body 1, which avoids accidental injury to the staff by the cutting knife part of the pelletizing assembly 2, and also avoids damage to the pelletizing assembly 2 due to collision during the removal process.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pelletizing mechanism for a plastic pelletizer, characterized in that: The pelletizing mechanism for a plastic pelletizing machine comprises: a box body (1), a discharge pipe (4) is arranged on the lower surface of the box body (1), a pressure plate (9) is arranged on the inner wall of the box body (1), a feed port (5) is arranged at one end of the box body (1), a connecting plate (8) is arranged on the other end surface of the box body (1) located at the feed port (5), and a first motor (6) and a second motor (7) and a slide groove (10) are respectively arranged on the other two side surfaces of the box body (1); An upper cover plate (3) is provided with fixing blocks (14) on both sides of the upper cover plate (3).

2. A pelletizing mechanism for a plastic pelletizer according to claim 1, characterized in that: The transmission shaft of the second motor (7) is fixedly connected to one end of a single roller (12), and the roller (12) is rotatably connected to the inner wall of the box body (1) via a bearing.

3. A pelletizing mechanism for a plastic pelletizer according to claim 1, characterized in that: The connecting plate (8) is in a "convex"-shaped structure, one end of the connecting plate (8) is fixedly connected to the box body (1), a protruding portion on the upper surface of the connecting plate (8) is exactly aligned with a protruding portion on the lower surface of the slide groove (10), and the other end of the connecting plate (8) is fixedly connected to the limit block (15).

4. A pelletizing mechanism for a plastic pelletizer according to claim 1, characterized in that: Two pressing plates (9) are fixedly connected to the inner wall of the box body (1), and the pressing plates (9) are in a square plate-shaped structure.

5. A pelletizing mechanism for a plastic pelletizer according to claim 1, characterized in that: The transmission shaft of the first motor (6) is fixedly connected to the second belt pulley (18), and the second belt pulley (18) is connected to the first belt pulley (17) via a belt (13).

6. A pelletizing mechanism for a plastic pelletizer according to claim 5, characterized in that: The first pulley (17) is fixedly connected to the transmission shaft of the pelletizing assembly (2); the transmission shaft of the pelletizing assembly (2) is connected to the slider (11) via a bearing; the slider (11) is in an "I"-shaped structure; the slider (11) can move in the slide groove (10); the clamping plate (16) can be clamped into the slide groove (10); and the clamping plate (16) is fixed to the box body (1) via bolts.

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