PET plastic crushing equipment with good crushing effect

Abstract

The utility model discloses PET (Polyethylene Terephthalate) plastic crushing equipment with a good crushing effect, which is characterized in that a left roller and a right roller are arranged in a crushing bin, a plurality of left bull gears, left middle gears and left pinions are sequentially and circularly sleeved on the left roller, and a plurality of right bull gears, right middle gears and right pinions are sequentially and circularly sleeved on the right roller; the left large gear corresponds to the right small gear, the left middle gear corresponds to the right middle gear, the left small gear corresponds to the right large gear, the two ends of the left roller and the two ends of the right roller are each provided with a limiting ring, one end of the left roller and one end of the right roller are each provided with a synchronous gear, and the left roller and the right roller are meshed through the synchronous gears. Crushing is achieved through cooperation of the left large gear and the right small gear, cooperation of the left middle gear and the right middle gear and cooperation of the left small gear and the right large gear, the PET plastic can be shredded while extrusion crushing is conducted, and the crushing effect is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing equipment, in particular to a PET plastic crushing equipment with good crushing effect. Background Art

[0002] PET is polyethylene terephthalate, with the chemical formula (C10H8O4)n. It is made by ester exchange of dimethyl terephthalate with ethylene glycol or esterification of terephthalic acid with ethylene glycol to synthesize dihydroxyethyl terephthalate, and then polycondensation. It is a crystalline saturated polyester, a milky white or light yellow, highly crystalline polymer with a smooth and shiny surface. It is a common resin in life and can be divided into APET, RPET and PETG.

[0003] When recycling waste PET plastics, the PET plastics are generally crushed by crushing equipment. The existing crushing equipment is generally equipped with two crushing rollers, and the two crushing rollers are respectively installed with staggered knife discs to achieve crushing. However, the crushing equipment with this structure has a large volume of crushed plastics, and even needs to be crushed multiple times, and the crushing effect is not good. Therefore, an improved technology is urgently needed to solve this problem in the prior art. Utility Model Content

[0004] The utility model aims to provide a PET plastic crushing device with good crushing effect. Crushing is achieved through the cooperation of a left large gear and a right small gear, a left middle gear and a right middle gear, and a left small gear and a right large gear. While extruding and crushing, the PET plastic can also be torn into pieces, which greatly improves the crushing effect and solves the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PET plastic crushing equipment with good crushing effect, including a crushing bin, a left roller, a right roller, a left large gear, a left middle gear, a left small gear, a right large gear, a right middle gear, a right small gear, a synchronous gear and a reduction motor, the upper surface of the crushing bin is open and provided with a feeding port, the crushing bin is provided with a left roller and a right roller, the left roller is provided with a plurality of left large gears, a left middle gear and a left small gear in sequence, the right roller is provided with a plurality of right large gears, a right middle gear and a right small gear in sequence The left large gear and the right small gear correspond to each other, the left middle gear and the right middle gear correspond to each other, the left small gear and the right large gear correspond to each other, both ends of the left roller and the right roller are provided with limit rings, one end of the left roller and the right roller are provided with synchronous gears and meshed through the synchronous gears, the right roller is located at the outer end of the synchronous gear and is also provided with a first sprocket, the bottom of the crushing bin is provided with a discharge port, a reduction motor is installed on one side of the crushing bin through a motor bracket, the output shaft of the reduction motor is provided with a second sprocket, and the second sprocket is connected to the first sprocket through a chain.

[0006] Preferably, the utility model provides a PET plastic crushing equipment with good crushing effect, wherein the left roller and the right roller are both provided with convex keys, and the left large gear, left middle gear, left small gear, right large gear, right middle gear, right small gear and limit ring are all provided with keyways.

[0007] Preferably, the utility model provides a PET plastic crushing equipment with good crushing effect, wherein gaps are left between the left large gear and the corresponding right small gear, between the left middle gear and the corresponding right middle gear, and between the left small gear and the corresponding right large gear.

[0008] Preferably, the utility model provides a PET plastic crushing equipment with good crushing effect, wherein the outer diameter of the left large gear is consistent with the outer diameter of the right large gear, the outer diameter of the left middle gear is consistent with the outer diameter of the right middle gear, the outer diameter of the left small gear is consistent with the outer diameter of the right small gear, the outer diameter of the left large gear is larger than the outer diameter of the left middle gear, and the outer diameter of the left middle gear is larger than the outer diameter of the left small gear.

[0009] Preferably, the utility model provides a PET plastic crushing equipment with good crushing effect, wherein end plates are installed at both ends of the crushing bin by bolts, the ends of the left roller and the right roller are matched and connected with the end plates, and a protective cover is also provided on the outer surface of the end plate located at one end of the synchronous gear, and the protective cover is arranged on the outside of the synchronous gear.

[0010] Preferably, the utility model provides a PET plastic crushing device with good crushing effect, wherein supporting ears are arranged on both sides of the crushing bin.

[0011] Preferably, the utility model provides a PET plastic crushing device with good crushing effect, wherein the limit ring is connected to the left roller and the right roller by bolts.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] Crushing is achieved through the cooperation of the left big gear and the right small gear, the left middle gear and the right middle gear, and the left small gear and the right big gear. At the same time, due to the diameter difference between the left big gear, the left middle gear and the left small gear, the outer edges of the adjacent left big gear and the left middle gear, the left middle gear and the left small gear, and the left small gear and the left big gear are misaligned. Similarly, the outer edges of the adjacent right big gear and the right middle gear, the right middle gear and the right small gear, and the right small gear and the right big gear are misaligned. While extruding and crushing, the PET plastic can also be torn into pieces, which greatly improves the crushing effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the top view structure of the utility model;

[0015] Figure 2 This is a side view of the structure of the utility model;

[0016] Figure 3 It is a distribution diagram of the left large gear, the left middle gear, the left small gear, the right large gear, the right middle gear and the right small gear of the utility model.

[0017] In the figure: crushing bin 1, left roller 2, right roller 3, left large gear 4, left middle gear 5, left small gear 6, right large gear 7, right middle gear 8, right small gear 9, synchronous gear 10, reduction motor 11, feed port 12, limit ring 13, first sprocket 14, feed port 15, second sprocket 16, chain 17, convex key 18, keyway 19, end plate 20, protective cover 21, support ear seat 22. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solution of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. 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;

[0019] It should be noted that, in the description of the present invention, the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left" and "right" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0020] See also Figure 1-3The utility model provides a technical solution: a PET plastic crushing equipment with good crushing effect, including a crushing bin 1, a left roller 2, a right roller 3, a left large gear 4, a left middle gear 5, a left small gear 6, a right large gear 7, a right middle gear 8, a right small gear 9, a synchronous gear 10 and a reduction motor 11. The upper surface of the crushing bin 1 is open and is provided with a feeding port 12. Support ear seats 22 are provided on both sides of the crushing bin 1 to support the crushing bin 1. The left roller 2 and the right roller 3 are provided inside the crushing bin 1. The left roller 2 is provided with a plurality of left large gears 4, a left middle gear 5 and a left small gear 6 in sequence. The right roller 3 is provided with a plurality of right large gears 7, a right middle gear 8 and a right small gear 9 in sequence. The left roller 2 and the right roller 3 are both provided with There is a convex key 18, and the left large gear 4, the left middle gear 5, the left small gear 6, the right large gear 7, the right middle gear 8, the right small gear 9 and the limiting ring 13 are all provided with a keyway 19. Through the cooperation of the convex key 18 and the keyway 19, it is ensured that the left large gear 4, the left middle gear 5 and the left small gear 6 follow the rotation of the left roller 2, the right large gear 7, the right middle gear 8 and the right small gear 9 follow the rotation of the right roller 3, the left large gear 4 and the right small gear 9 correspond to each other, the left middle gear 5 and the right middle gear 8 correspond to each other, the left small gear 6 and the right large gear 7 correspond to each other, and there are spaces between the left large gear 4 and the corresponding right small gear 9, between the left middle gear 5 and the corresponding right middle gear 8, and between the left small gear 6 and the corresponding right large gear 7. The outer diameter of the left large gear 4 is consistent with the outer diameter of the right large gear 7, the outer diameter of the left middle gear 5 is consistent with the outer diameter of the right middle gear 8, the outer diameter of the left small gear 6 is consistent with the outer diameter of the right small gear 9, the outer diameter of the left large gear 4 is larger than the outer diameter of the left middle gear 5, and the outer diameter of the left middle gear 5 is larger than the outer diameter of the left small gear 6, so as to ensure that a diameter difference is formed between adjacent gears, thereby causing misalignment, which is convenient for tearing the PET plastic into pieces. Limiting rings 13 are provided at both ends of the left roller 2 and the right roller 3. The limiting rings 13 are connected to the left roller 2 and the right roller 3 by bolts to realize the installation and disassembly of the limiting rings 13. Synchronous gears 10 are provided at one end of the left roller 2 and the right roller 3 and mesh with the synchronous gears 10. The right roller 3 is located at the outer end of the synchronous gear 10 and is also provided with a first sprocket 14. A discharge port 15 is provided at the bottom of the crushing bin 1. A reduction motor 11 is installed on one side of the crushing bin 1 through a motor bracket. The output shaft of the reduction motor 11 is provided with a second sprocket 16. The second sprocket 16 is connected to the first sprocket 14 through a chain 17. End plates 20 are installed at both ends of the crushing bin 1 by bolts. The ends of the left roller 2 and the right roller 3 are matched with the end plates 20. A protective cover 21 is further provided on the outer surface of the end plate 20 at one end of the synchronous gear 10. The protective cover 21 is arranged on the outside of the synchronous gear 10. The end plate 20 is a detachable structure to realize the installation of the left roller 2 and the right roller 3. The synchronous gear 10 area is protected by the protective cover 21 to avoid danger.

[0021] Installation method and principle of use: install one of the end plates 20 on one end of the crushing chamber 1 by bolts, then pass the left roller 2 and the right roller 3 with the synchronous gear 10 through the end plate 20, and then put the limit ring 13 on the left roller 2 and the right roller 3 respectively, and move them to the inside of the end plate 20, and tighten them by bolts at the same time. At this time, the left roller 2 and the right roller 3 are both suspended by the auxiliary lifting equipment, and then the left large gear 4, the left middle gear 5 and the left small gear 6 are circulated on the left roller 2 in sequence, and the right large gear 7, the right middle gear 8 and the right small gear 9 are circulated on the left roller 2 in sequence. On the right roller 3, note that the left large gear 4 and the right small gear 9 are installed synchronously, the left middle gear 5 and the right middle gear 8 are installed synchronously, and the left small gear 6 and the right large gear 7 are installed synchronously. After completion, another limiting ring 13 is used for limiting. At this time, the left large gear 4, the left middle gear 5 and the left small gear are located between the two limiting rings 13, and the right large gear 7, the right middle gear 8 and the right small gear are located between the two limiting rings 13. Then install the end plate 20 at the other end, and put the last limiting ring 13 on the left roller 2 and the right roller 3, and tighten it with bolts. Finally, install the reduction motor 11 on the motor bracket, and the output shaft of the reduction motor 11 is connected to the first sprocket 14 of the right roller 3 through the second sprocket 16 and the chain 17 to complete the installation. When in use, the reduction motor 11 is started, and the reduction motor 11 drives the right roller 3 to rotate through the chain 17, and the right roller 3 drives the left roller 2 to rotate in the opposite direction through the synchronous gear 10, and the PET plastic is put into the unloading port 12, and is crushed through the cooperation of the left large gear 4 and the right small gear 9, the left middle gear 5 and the right middle gear 8, the left small gear 6 and the right large gear 7. At the same time, due to the diameter difference between the left large gear 4, the left middle gear 5 and the left small gear 6, the adjacent outer edges of the left large gear 4 and the left middle gear 5, the left middle gear 5 and the left small gear 6, the left small gear 6 and the left large gear 4 are misaligned, and similarly, the adjacent outer edges of the right large gear 7 and the right middle gear 8, the right middle gear 8 and the right small gear 9, the right small gear 9 and the right large gear 7 are misaligned. While being squeezed and crushed, the PET plastic can also be torn into pieces, which greatly improves the crushing effect.

[0022] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

[0023] Finally, it should be noted that the above specific implementation methods are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified and replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A PET plastic crushing equipment with good crushing effect, characterized by: The invention comprises a crushing chamber (1), a left roller (2), a right roller (3), a left large gear (4), a left middle gear (5), a left small gear (6), a right large gear (7), a right middle gear (8), a right small gear (9), a synchronous gear (10) and a reduction motor (11). The upper surface of the crushing chamber (1) is open and provided with a discharge port (12). The crushing chamber (1) is provided with a left roller (2) and a right roller (3). The left roller (2) is provided with a plurality of left large gears (4), a left middle gear (5) and a left small gear (6) in a sequential manner. The right roller (3) is provided with a plurality of right large gears (7), a right middle gear (8) and a right small gear (9) in a sequential manner. The left large gear (4) and the right small gear (9) correspond to each other. The left middle gear (5) and the right middle gear (8) correspond to each other, the left small gear (6) and the right large gear (7) correspond to each other, both ends of the left roller (2) and the right roller (3) are provided with limit rings (13), one end of the left roller (2) and the right roller (3) are provided with synchronous gears (10) and meshed through the synchronous gears (10), the right roller (3) is also provided with a first sprocket (14) at the outer end of the synchronous gear (10), the bottom of the crushing bin (1) is provided with a discharge port (15), a reduction motor (11) is installed on one side of the crushing bin (1) through a motor bracket, the output shaft of the reduction motor (11) is provided with a second sprocket (16), and the second sprocket (16) is connected to the first sprocket (14) through a chain (17).

2. A PET plastic crushing device with good crushing effect according to claim 1, characterized in that: The left roller (2) and the right roller (3) are both provided with a convex key (18), and the left large gear (4), the left middle gear (5), the left small gear (6), the right large gear (7), the right middle gear (8), the right small gear (9) and the limiting ring (13) are all provided with a keyway (19).

3. A PET plastic crushing device with good crushing effect according to claim 1, characterized in that: Gaps are left between the left large gear (4) and the corresponding right small gear (9), between the left middle gear (5) and the corresponding right middle gear (8), and between the left small gear (6) and the corresponding right large gear (7).

4. The PET plastic crushing equipment with good crushing effect according to claim 1 is characterized in that: The outer diameter of the left large gear (4) is consistent with the outer diameter of the right large gear (7), the outer diameter of the left middle gear (5) is consistent with the outer diameter of the right middle gear (8), the outer diameter of the left small gear (6) is consistent with the outer diameter of the right small gear (9), the outer diameter of the left large gear (4) is larger than the outer diameter of the left middle gear (5), and the outer diameter of the left middle gear (5) is larger than the outer diameter of the left small gear (6).

5. The PET plastic crushing equipment with good crushing effect according to claim 1 is characterized in that: End plates (20) are installed at both ends of the crushing bin (1) by bolts, and the ends of the left roller (2) and the right roller (3) are connected to the end plates (20). A protective cover (21) is also provided on the outer surface of the end plate (20) located at one end of the synchronous gear (10), and the protective cover (21) is arranged outside the synchronous gear (10).

6. A PET plastic crushing device with good crushing effect according to claim 1, characterized in that: Supporting ear seats (22) are arranged on both sides of the crushing bin (1).

7. A PET plastic crushing device with good crushing effect according to claim 1, characterized in that: The limiting ring (13) is connected to the left roller (2) and the right roller (3) via bolts.

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