Plastic packaging material crusher

Abstract

The utility model relates to a plastic packaging material crusher, and aims to solve the problem that the normal operation of the crusher is influenced as thermoplastic plastics are softened and adhered to or adsorbed on a crushing roller and the inner wall of the crusher due to over-high humidity, static accumulation and friction heating of the crushing roller of plastic fragments. The two brush rollers are arranged in the shell to clean the crushing roller, the rotating frame and the scraper are arranged in the discharging pipe, raw materials adhering to the crushing roller can be brushed away through the brush rollers, and the raw materials adhering to the inner wall of the discharging pipe can be hung away through the scraper. The raw materials are prevented from being adhered to the crushing rollers and the inner wall of the discharging pipe, and the raw materials are conveniently discharged.

Description

Technical Field

[0001] This utility model relates to the field of crushing, and more specifically, to a crusher for plastic packaging materials. Background Technology

[0002] Plastic packaging materials refer to plastic products used for the protection, transportation, display, and sale of various goods. They are widely used in food, beverage, pharmaceutical, cosmetic, and other industries, and have advantages such as being lightweight, durable, highly transparent, and cost-effective. During the production of packaging materials, especially when using recycled plastics, the materials are crushed. Existing plastic packaging material crushers may encounter issues such as high humidity, static electricity accumulation, and heat generated by friction on the crushing rollers causing the thermoplastic to soften and adhere, resulting in plastic fragments sticking to or adhering to the crushing rollers or the inner wall of the crusher. This can affect subsequent crushing operations to some extent, and workers also need to regularly clean the crushing rollers and the inner wall of the crusher to prevent outlet blockage, making maintenance relatively cumbersome.

[0003] In view of the above, this patent application is hereby filed. Utility Model Content

[0004] To address the shortcomings of existing technologies, the purpose of this invention is to provide a novel vacuum coating machine. This invention cleans the crushing roller by installing two brush rollers inside the housing, and then installs a rotating frame and a scraper inside the discharge pipe. The brush rollers brush off the raw materials adhering to the crushing roller, and the scraper removes the raw materials adhering to the inner wall of the discharge pipe.

[0005] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a plastic packaging material crusher, comprising a shell, an inlet and an outlet pipe, two symmetrically arranged crushing rollers rotatably connected inside the shell, two symmetrically arranged brush rollers rotatably connected inside the shell, a drive mechanism one for driving the two crushing rollers to rotate relative to each other and a driven mechanism for driving the two brush rollers to rotate relative to each other on the shell, the brush rollers rotating faster than the crushing rollers, the outlet pipe being conical, a rotating frame rotatably connected to the outlet pipe, a plurality of scrapers fixedly connected to the rotating frame and conforming to the inner wall of the outlet pipe, and a drive mechanism two for driving the rotating frame to rotate on the shell.

[0006] By adopting the above technical solution, when it is necessary to crush plastic packaging materials, the crusher is fixed in a suitable position, and the material to be crushed is fed into the shell from the feed port. The two crushing rollers are driven to rotate relative to each other by the drive mechanism one, thereby crushing the raw material. During this process, the two brush rollers are driven to rotate relative to each other by the driven mechanism. The brush rollers will brush off the raw material adhering to the crushing rollers. The drive mechanism two will drive the rotating frame to rotate, and then the scraper will hang off the raw material adhering to the inner wall of the discharge pipe, preventing the raw material from adhering to the crushing rollers and the inner wall of the discharge pipe, so as to facilitate the discharge of the raw material.

[0007] The present invention is further configured such that: the driving mechanism includes a motor fixedly connected to the housing, the output shaft of the motor is fixedly connected to a crushing roller on one side, and a transmission gear is fixedly connected to both crushing rollers.

[0008] The present invention is further configured such that: the driven mechanism includes two driven gears respectively fixedly connected to the brush rollers on both sides, the driven gears on both sides respectively meshing with the transmission gears on both sides, and the diameter of the driven gears is smaller than that of the transmission gears.

[0009] The present invention is further configured such that: the second drive mechanism includes a rotating shaft rotatably connected to the housing, a plurality of push rods are fixedly connected to the rotating shaft, a plurality of driven rods cooperating with the push rods are fixedly connected to the rotating frame, and a belt pulley transmission assembly is provided between the rotating shaft and the crushing roller or the brush roller.

[0010] In summary, compared with the prior art, this utility model has the following advantages and positive effects:

[0011] This invention cleans the crushing roller by installing two brush rollers inside the housing, and then installing a rotating frame and a scraper inside the discharge pipe. The brush rollers brush off the raw material adhering to the crushing roller, and the scraper hangs off the raw material adhering to the inner wall of the discharge pipe, preventing the raw material from adhering to the crushing roller and the inner wall of the discharge pipe, thus facilitating the discharge of the raw material. Attached Figure Description

[0012] Figure 1 This is a schematic diagram of the structure of the present invention. Figure 1 This shows the positional relationship between the crushing roller and the brush roller;

[0013] Figure 2 This is a schematic diagram of the structure of the present invention. Figure 2 This shows the positional relationship between the drive gear and the driven gear;

[0014] Figure 3 This is a schematic diagram of the structure of the present invention. Figure 3 The structure of drive mechanism two is shown;

[0015] Figure 4 This is a schematic diagram of the structure of the present invention. Figure 4 This shows the structural relationship between drive mechanism one, driven mechanism two, and drive mechanism two.

[0016] In the diagram: 1. Shell; 2. Feed inlet; 3. Discharge pipe; 4. Crushing roller; 5. Brush roller; 6. Rotating frame; 7. Scraper; 8. Motor; 9. Transmission gear; 10. Driven gear; 11. Shaft; 12. Push rod; 13. Driven rod; 14. Belt pulley transmission assembly; 15. Impact rod. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0018] In the description of this utility model, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "provided with," "set up / connected," "connection," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0020] The present invention will now be described in detail with reference to the accompanying drawings.

[0021] A plastic packaging material crusher, such as Figures 1-4As shown, the device includes a housing 1, which has a feed inlet 2 and a discharge pipe 3 fixedly connected to it. Two crushing rollers 4 are rotatably connected inside the housing 1, and two brush rollers 5 are also rotatably connected inside the housing 1. The housing 1 is equipped with a drive mechanism 1 for driving the two crushing rollers 4 to rotate relative to each other and a driven mechanism for driving the two brush rollers 5 to rotate relative to each other. The rotation speed of the brush rollers 5 is faster than that of the crushing rollers 4. The discharge pipe 3 is frustoconical in shape, and a rotating frame 6 is rotatably connected to the discharge pipe 3. Several scrapers 7 that are in contact with the inner wall of the discharge pipe 3 are fixedly connected to the rotating frame 6. The housing 1 is equipped with a second drive mechanism for driving the rotating frame 6 to rotate.

[0022] Furthermore, the drive mechanism includes a motor 8 fixedly connected to the housing 1, the output shaft of the motor 8 being fixedly connected to a crushing roller 4 on one side, and transmission gears 9 being fixedly connected to both crushing rollers 4, with the two transmission gears meshing with each other.

[0023] Furthermore, the driven mechanism includes two driven gears 10 that are fixedly connected to the brush rollers 5 on both sides respectively. The driven gears 10 on both sides mesh with the transmission gears 9 on both sides respectively. The diameter of the driven gears 10 is smaller than that of the transmission gears 9.

[0024] Furthermore, the second drive mechanism includes a rotating shaft 11 rotatably connected to the housing 1, a plurality of push rods 12 fixedly connected to the rotating shaft 11, a plurality of driven rods 13 arranged in a ring fixedly connected to the rotating frame 6, and a belt pulley transmission assembly 14 installed between the rotating shaft 11 and the crushing roller 4 or the brush roller 5. In other embodiments, the rotating frame can be driven to rotate by a bevel gear set instead of push rods and driven rods.

[0025] Working principle: When plastic packaging materials need to be crushed, the crusher is fixed in a suitable position, and the material to be crushed is fed into the housing 1 from the feed inlet 2 by a conveyor or manually. The two crushing rollers 4 are driven to rotate relative to each other by the motor 8 and two transmission gears 9, thereby crushing the raw material. During this process, the two transmission gears 9 will drive the driven gears 10 on both sides to rotate, which in turn drives the two brush rollers 5 to rotate relative to each other. The brush rollers 5 will brush off the raw material adhering to the crushing rollers 4. During the rotation of the brush rollers 5, they will also contact the impact rod 15 and form a slapping action. The slapping action will shake off the plastic particles adhering to the brush rollers 5, preventing the plastic particles from accumulating on the brush rollers 5. During the rotation of the brush rollers 5, the rotating shaft 11 will also be driven to rotate through the belt pulley transmission assembly 14. The rotating shaft 11 will then drive the rotating frame 6 to rotate through multiple push rods 12 and driven rods 13, thereby scraping off the raw material adhering to the inner wall of the discharge pipe 3 by the scraper 7, preventing the raw material from adhering to the crushing rollers 4 and the inner wall of the discharge pipe 3, and facilitating the discharge of the raw material.

[0026] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected by this utility model. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A plastic packaging material crusher, comprising a housing (1), wherein a feed inlet (2) and a discharge pipe (3) are provided on the housing (1), and two symmetrically arranged crushing rollers (4) are rotatably connected inside the housing (1), characterized in that: The housing (1) is rotatably connected to two symmetrically arranged brush rollers (5). The housing (1) is provided with a drive mechanism one for driving the two crushing rollers (4) to rotate relative to each other and a driven mechanism for driving the two brush rollers (5) to rotate relative to each other. The rotation speed of the brush rollers (5) is faster than that of the crushing rollers (4). The discharge pipe (3) is conical. The discharge pipe (3) is rotatably connected to a rotating frame (6). Several scrapers (7) that fit against the inner wall of the discharge pipe (3) are fixedly connected to the rotating frame (6). The housing (1) is provided with a drive mechanism two for driving the rotating frame (6) to rotate.

2. The plastic packaging material crusher according to claim 1, characterized in that: The drive mechanism includes a motor (8) fixedly connected to the housing (1), the output shaft of the motor (8) is fixedly connected to a crushing roller (4) on one side, and a transmission gear (9) is fixedly connected to both crushing rollers (4).

3. A plastic packaging material crusher according to claim 2, characterized in that: The driven mechanism includes two driven gears (10) that are fixedly connected to the brush rollers (5) on both sides respectively. The driven gears (10) on both sides mesh with the transmission gears (9) on both sides respectively. The diameter of the driven gears (10) is smaller than that of the transmission gears (9).

4. A plastic packaging material crusher according to claim 3, characterized in that: The second drive mechanism includes a rotating shaft (11) rotatably connected to the housing (1), a plurality of push rods (12) are fixedly connected to the rotating shaft (11), a plurality of driven rods (13) cooperating with the push rods (12) are fixedly connected to the rotating frame (6), and a belt pulley transmission assembly (14) is provided between the rotating shaft (11) and the crushing roller (4) or the brush roller (5).

5. A plastic packaging material crusher according to claim 1, characterized in that: Inside the housing (1), there are fixedly connected impact rods (15) in number and position corresponding to the brush roller (5).

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