Waste plastic crushing device

By setting a screen plate and a vibrating motor at the feed inlet of the crushing device to screen large and small pieces of plastic, and using a servo motor-driven shaft and cutters for crushing, the problem of low efficiency in existing devices has been solved, and efficient waste plastic crushing has been achieved.

CN223719919UActive Publication Date: 2025-12-26DONGGUAN XINHENGYI PLASTIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423112410.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-26
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing crushing equipment cannot effectively screen large and small pieces of plastic when processing waste plastics, resulting in low crushing efficiency, frequent material unloading, space occupation, and low efficiency.

Method used

A screen plate is installed at the feed inlet of the crushing device, and a vibrating motor is provided to guide large pieces of plastic into the crushing space, while small pieces of plastic fall directly into the discharge outlet. Combined with the servo motor-driven rotating shaft and cutters, the material is crushed, achieving screening and efficient crushing.

Benefits of technology

By combining screening and crushing, the crushing ratio of large plastic pieces is increased, the number of feeding operations is reduced, crushing efficiency is improved, and labor intensity and resource waste are reduced.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223719919U_ABST
    Figure CN223719919U_ABST
Patent Text Reader

Abstract

The utility model discloses a waste plastic crushing device, which is characterized in that a sieve plate capable of partially shielding a crushing space in a hopper is obliquely arranged at a feed port of the hopper of the crushing device, and a vibration motor for enabling the sieve plate to vibrate is arranged on the sieve plate. Compared with the prior art, large waste plastics which cannot pass through the sieve plate can be guided by the sieve plate to flow to the crushing mechanism in the crushing space to be crushed, and small waste plastics which pass through the sieve plate directly fall into the discharging port to be discharged, so that material screening is achieved, and compared with a traditional material screening device, the small waste plastics can be screened out in the feeding process, and the material screening efficiency is improved. And the content of small waste plastics in the crushing space is reduced, so that the proportion of large waste plastics, namely the waste plastics needing to be crushed, in the crushing space is increased, the feeding frequency is reduced, and the crushing efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to waste plastics recycling technical field, especially in kind of waste plastics crushing device. BACKGROUND

[0002] Waste plastics are plastics used and finally eliminated or replaced in civil, industrial and other uses. Most of the eliminated waste plastics are produced into new plastic products through recycling. In the preliminary processing of recycling, a large amount of collected waste plastics need to be crushed into small blocks. However, there are already a lot of small waste plastics that do not need to be crushed in the collected waste plastics. The existing crushing mechanism crushes the small waste plastics together during crushing. However, the space of the crushing mechanism is limited, and only a limited amount of waste plastics can be accommodated at a time. A certain amount of small waste plastics that do not need to be crushed also occupies a certain amount of space, which reduces the proportion of waste plastics that need to be crushed. The lower the proportion of waste plastics that need to be crushed in the limited space, the more times the waste plastics need to be poured into the crushing mechanism, resulting in lower crushing efficiency. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of waste plastics crushing device, to reduce the times of pouring waste plastics into crushing mechanism, to improve the crushing efficiency of waste plastics.

[0004] To achieve the above purpose, the utility model provides a kind of waste plastics crushing device, including frame body, the frame body is equipped with hopper, hopper is sequentially equipped with inlet, crushing space and discharge port from top to bottom, the crushing space is equipped with crushing mechanism, inlet is obliquely equipped with the sieve plate that partially shields crushing space, when feeding, the large block waste plastics that cannot pass through the sieve plate are guided to the crushing mechanism in crushing space for crushing by the sieve plate, the small waste plastics that pass through the sieve plate directly fall into discharge port, the sieve plate is also equipped with vibration motor for making sieve plate vibrate.

[0005] Preferably, the bottom of the frame body is provided with a plurality of rollers.

[0006] Preferably, the frame body is pivotally mounted with a cover body, and the cover body can swing relative to the frame body between a position shielding the inlet and an open position.

[0007] Preferably, a conveying mechanism is further provided, and the inlet end of the conveying mechanism is connected with the discharge port.

[0008] Preferably, the conveying mechanism includes a pipeline, a screw rod and a driving motor, one end of the pipeline is connected with the discharge port, the screw rod is pivotally installed inside the pipeline, and the crushed waste plastics fall into the pipeline through the discharge port. The driving motor drives the screw rod to pivot to convey the crushed waste plastics from one end of the pipeline to the other end of the pipeline for discharge.

[0009] Preferably, the crushing mechanism comprises a servo motor, a rotating shaft and a cutter plate, the rotating shaft is pivotally installed in the crushing space, a plurality of cutters are fixedly sleeved on the rotating shaft, the cutters are spaced apart along the length direction of the rotating shaft, the cutters are provided with a plurality of cutter portions along the circumferential wall direction of the rotating shaft, the cutter plate is fixedly arranged at a position above the rotating shaft in the crushing space, the cutter plate is provided with a strip-shaped groove at a position corresponding to the cutter portions, the servo motor is used for driving the rotating shaft to pivot, and the cutter portions can swing between penetrating the strip-shaped groove and moving away from the position.

[0010] Preferably, the cutters and the rotating shaft are in an integral forming structure or in a detachable connection structure, when in the detachable connection structure, the cutters are sleeved on the rotating shaft and are fixed by screws or buckling structures.

[0011] Preferably, the cutters and the cutter plate are metal products.

[0012] The utility model discloses technical scheme is tilted to be arranged in the material inlet position of the crushing device hopper and can shield the partiality of the crushing space in the hopper interior screen plate, still is arranged vibrating motor for making the screen plate vibrate at the screen plate, when loading, the big piece of waste plastics that can not pass through the screen plate can pass through the guide flow of the screen plate and carry out the crushing in the crushing mechanism in the crushing space, and the small piece of waste plastics that passes through the screen plate directly falls into the discharge port and carries out the discharge, thereby realizes the screening of material, compares with traditional, the utility model discloses can screen out small piece of waste plastics in the process of loading, reduces the content of small piece of waste plastics in the crushing space, thereby improves the proportion of big piece of waste plastics in the crushing space, and the waste plastics that need to be crushed, thereby reduces the loading frequency, improves the crushing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is the perspective view of the utility model;

[0014] Fig. 2 It is the assembly cut -away view of hopper and crushing mechanism;

[0015] Fig. 3 It is the schematic view of servo motor, cutter plate and cutter. DETAILED DESCRIPTION

[0016] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings, and obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0017] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial), the directionality indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0018] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled persons in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0019] The utility model provides a kind of waste plastics crushing device.

[0020] In the embodiments of the utility model, as shown in Figs. 1 to 3 The waste plastics crushing device includes a frame body 1, the frame body 1 is provided with a hopper 2, the hopper 2 is sequentially provided with a feeding port, a crushing space and a discharge port from top to bottom, the crushing space is provided with a crushing mechanism, the feeding port is inclinedly provided with a sieve plate 3 that partially shields the crushing space, during feeding, large pieces of waste plastics that cannot pass through the sieve plate 3 are guided by the sieve plate 3 to the crushing mechanism in the crushing space for crushing, small pieces of waste plastics passing through the sieve plate 3 directly fall into the discharge port, and the sieve plate 3 is further provided with a vibration motor for vibrating the sieve plate 3.

[0021] Specifically, the frame body 1 is provided with a plurality of rollers 4 at the bottom.

[0022] Specifically, the frame body 1 is pivotally installed with a cover body 5, and the cover body 5 can swing relative to the frame body 1 between a position shielding the feeding port and a position opening the feeding port.

[0023] Specifically, a conveying mechanism is further provided, and a feeding end of the conveying mechanism is connected with the discharge port.

[0024] Specific, the conveying mechanism includes pipeline 61, screw rod 62 and drive motor 63, one end of the pipeline 61 is connected with the discharge port, the screw rod 62 can be pivotally installed in the pipeline 61, after the broken waste plastics fall into the pipeline 61 through the discharge port, the screw rod 62 is driven to pivot by the drive motor 63 to convey the broken waste plastics from one end of the pipeline 61 to the other end of the pipeline 61 for discharging.

[0025] Specific, the crushing mechanism includes servo motor 71, shaft 72 and knife plate 73, the shaft 72 can be pivotally installed in the crushing space, the shaft 72 is fixedly sleeved with a plurality of cutters 74, a plurality of the cutters 74 are spaced apart along the length direction of the shaft 72, the cutter 74 is spaced apart along the circumferential wall direction of the shaft 72 and is provided with a plurality of cutter portions 75, the knife plate 73 is fixedly arranged at a position corresponding to the upper side of the shaft 72 in the crushing space, the knife plate 73 is provided with a strip-shaped groove 76 at a position corresponding to the cutter portion 75, the servo motor 71 is used to drive the shaft 72 to pivot, and the cutter portion 75 can swing between the strip-shaped groove 76 and the position away from the shaft 72. The cutter portion 75 can be broken by cooperating with the cutter portion 75 during the swinging process.

[0026] Specific, the cutter 74 and the shaft 72 are an integral molding structure or a detachable connection structure, when being the detachable connection structure, the cutter 74 is sleeved on the shaft 72 and is fixed by screws or a buckle structure.

[0027] Specific, the cutter 74 and the knife plate 73 are metal products.

[0028] The utility model discloses technical scheme is in the inlet position of the hopper of crushing device and is obliquely arranged the screen plate that can shield the partial crushing space of the hopper interior, also is arranged the vibration motor for making the screen plate vibrate on the screen plate, when loading, the big piece of waste plastics that can not pass through the screen plate can be guided to the crushing mechanism in the crushing space and is broken through the screen plate, and the small piece of waste plastics that passes through the screen plate directly falls into the discharge port and is discharged, thereby realizing the screening of material, compared with the tradition, the small piece of waste plastics can be screened out in the process of loading, and the content of small piece of waste plastics in the crushing space is reduced, thereby improving the proportion of big piece of waste plastics in the crushing space, that is, the broken waste plastics, so as to reduce the loading frequency, and improve the crushing efficiency.

[0029] The above only is the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structure transformation of the utility model specification and the attached drawing contents under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. A waste plastic breaking apparatus, characterized by: Including frame body (1), the frame body (1) is equipped with hopper (2), hopper (2) is sequentially provided with inlet, crushing space and discharge port from top to bottom, the crushing space is equipped with crushing mechanism, the inlet is obliquely provided with the sieve plate (3) that partially shields the crushing space, when feeding, the large block waste plastics that cannot pass through the sieve plate (3) are guided to the crushing mechanism in the crushing space through the sieve plate (3) and are crushed, the small piece waste plastics that pass through the sieve plate (3) directly fall into the discharge port, the sieve plate (3) is further provided with vibration motor for making the sieve plate (3) vibrate.

2. The waste plastic crushing device as claimed in claim 1, wherein: The bottom of the frame body (1) is provided with a plurality of rollers (4).

3. The waste plastic crushing apparatus as claimed in claim 1, wherein: The frame body (1) can be pivotally installed with a cover body (5), which can swing relative to the frame body (1) between the position shielding and opening the inlet.

4. The waste plastic crushing apparatus as claimed in claim 1, wherein: Further provided with conveying mechanism, the inlet end of the conveying mechanism is connected with the discharge port.

5. The waste plastic crushing apparatus as claimed in claim 4, wherein: The conveying mechanism includes a pipeline (61), a screw rod (62) and a drive motor (63), one end of the pipeline (61) is connected with the discharge port, the screw rod (62) is pivotally installed inside the pipeline (61), after the crushed waste plastics fall into the pipeline (61) through the discharge port, the screw rod (62) is driven to pivot by the drive motor (63) to convey the crushed waste plastics from one end of the pipeline (61) to the other end of the pipeline (61) for discharge.

6. The waste plastic crushing apparatus as claimed in claim 1, wherein: The crushing mechanism includes a servo motor (71), a rotating shaft (72) and a cutter plate (73), the rotating shaft (72) is pivotally installed in the crushing space, a plurality of cutters (74) are fixedly sleeved on the rotating shaft (72), a plurality of the cutters (74) are spaced apart along the length direction of the rotating shaft (72), a plurality of cutter portions (75) are spaced apart along the circumferential wall direction of the rotating shaft (72), the cutter plate (73) is fixedly arranged at a position corresponding to the upper side of the rotating shaft (72) in the crushing space, a strip-shaped groove (76) is arranged on the cutter plate (73) corresponding to the position of the cutter portion (75), the servo motor (71) is used to drive the rotating shaft (72) to pivot, the cutter portion (75) can swing between passing through the strip-shaped groove (76) and the position away from the strip-shaped groove (76) with the pivoting of the rotating shaft (72).

7. The waste plastic breaking device as claimed in claim 6, wherein: The cutter (74) and the rotating shaft (72) are an integral structure or a detachable connection structure, when being a detachable connection structure, the cutter (74) is sleeved on the rotating shaft (72) and is locked by screws or fixed by a buckle structure.

8. The waste plastic crushing device as claimed in claim 6, wherein: The cutter (74) and the cutter plate (73) are metal products.