Screening mechanism of reprocessed plastic granulator

Abstract

The utility model relates to the technical field of screening mechanisms, and discloses a recycled plastic granulator screening mechanism which comprises a screening box, a screening cylinder and a dredging mechanism, the top of the screening box is open, movable grooves are symmetrically formed in the upper surface of the screening box, one side of the screening cylinder is open, and the dredging mechanism is arranged in the screening cylinder. A plurality of screening holes used for screening plastic particles are evenly formed in the side wall of the screening cylinder, a connecting cylinder is fixedly connected to one side of the inner side wall of the screening cylinder through a plurality of connecting rods, and rotating shafts are fixedly connected to one side of the screening cylinder and one side of the connecting cylinder; according to the plastic particle screening device, the screening barrel can be driven to rotate through the driving motor so as to screen plastic particles, the dredging rod can be driven to rotate through the motor, the dredging rod can be inserted into screening holes, the screening holes are prevented from being blocked, the screening efficiency of the whole device is improved, meanwhile, the whole structure is relatively simple, and use is very convenient; and the practicability of the device is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of screening mechanisms, in particular to a screening mechanism of a regenerated plastic granulator. BACKGROUND

[0002] With the wide use of plastic products, the recycling and reuse of waste plastics have been increasingly valued. The regenerated plastic granulator is a key equipment for processing waste plastics into plastic particles, and the quality of the plastic particles processed by the regenerated plastic granulator directly affects the performance of subsequent plastic products. When the traditional screening mechanism screens the plastic particles, the screen is easily blocked by foreign matters in the plastic particles, such as adhered dirt, materials with high humidity, etc., resulting in reduced screening efficiency, frequent shutdown for cleaning and affected work efficiency. CONTENT OF THE UTILITY MODEL

[0003] In order to solve the problems in the background art, the application provides a screening mechanism of a regenerated plastic granulator.

[0004] The screening mechanism of the regenerated plastic granulator provided by the application adopts the following technical scheme:

[0005] The screening mechanism of the regenerated plastic granulator comprises a screening box, a screening cylinder and a dredging mechanism.

[0006] The top of the screening box is provided with an open top, and the upper surface of the screening box is symmetrically provided with a movable groove.

[0007] The side of the screening cylinder is provided with an open top, a plurality of screen holes for screening plastic particles are uniformly arranged on the side wall of the screening cylinder, a connecting cylinder is fixedly connected to one side of the inner side wall of the screening cylinder through a plurality of connecting rods, a rotating shaft is fixedly connected to one side of the screening cylinder and the connecting cylinder, the two rotating shafts are movably arranged in the two movable grooves, and a driving mechanism for driving one of the rotating shafts to rotate is arranged on the screening box.

[0008] The dredging mechanism comprises a motor and a connecting shaft, two support plates are fixedly connected to the two side edges of the screening box, a plurality of multistage electric telescopic rods are fixedly connected to the upper surfaces of the plurality of support plates, a connecting plate is fixedly connected to the output ends of two adjacent multistage electric telescopic rods, a connecting shaft located above the screening cylinder is rotatably installed between the two connecting plates, a plurality of dredging rods matched with the screen holes are uniformly fixedly connected to the side wall of the connecting shaft, the motor is fixedly connected to one side of one of the connecting plates, and the output end of the motor is fixedly connected to one end of the connecting shaft.

[0009] Preferably, the driving mechanism comprises a driving motor fixedly connected with one side of the screening box, a first gear fixedly connected with an output end of the driving motor, and a second gear fixedly connected with one end of one of the rotating shafts, the second gear being engaged with the first gear when the screening drum drives the second gear to move downward.

[0010] Preferably, a collecting box is slidably arranged at the bottom side of the screening box, the top of the collecting box being open, and a handle being fixedly connected with one side of the collecting box.

[0011] Preferably, an observation window is arranged on one side of the screening box.

[0012] Preferably, a limiting ring is arranged on the side wall of each of the rotating shafts, the limiting ring being in abutment with the side wall of the screening box.

[0013] To sum up, the application has the following beneficial technical effects:

[0014] Compared with the prior art, the driving motor can drive the screening drum to rotate, so as to screen the plastic particles, the electric motor can drive the dredging rod to rotate, the dredging rod can be inserted into the inside of the screen hole, the screen hole is prevented from being blocked, the screening efficiency of the overall device is improved, the overall structure is relatively simple, the device is very convenient to use, and the practicality of the device is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a three-dimensional structure schematic view of the application embodiment;

[0016] Fig. 2 is a cross-sectional structure schematic view of the screening drum of the application embodiment;

[0017] Fig. 3 is a cross-sectional structure schematic view of the screening box of the application embodiment.

[0018] BRIEF DESCRIPTION OF DRAWINGS 1, screening box; 2, driving motor; 3, first gear; 4, second gear; 5, electric motor; 6, connecting plate; 7, dredging rod; 8, connecting shaft; 9, screening drum; 10, screen hole; 11, multi-stage electric telescopic rod; 12, support plate; 13, collecting box; 14, handle; 15, observation window; 16, rotating shaft; 17, limiting ring; 18, connecting rod; 19, connecting cylinder; 20, movable groove. DETAILED DESCRIPTION

[0019] The following will be described in detail with reference to the accompanying drawings Figs. 1-3 The application will be further described in detail.

[0020] The application embodiment discloses a screening mechanism of a regenerated plastic granulator. Figs. 1-3The utility model provides a kind of regenerative plastic granulator screening mechanism, including screening box 1, screening cylinder 9 and dredging mechanism, the top of screening box 1 is open setting, the bottom side of inside screening box 1 is slidably provided with collection box 13, the top of collection box 13 is open setting, one side of collection box 13 is fixedly connected with handle 14, the upper surface of screening box 1 is symmetrically provided with movable slot 20, one side of screening cylinder 9 is open setting, multiple screen holes 10 for screening plastic particles are evenly provided on the side wall of screening cylinder 9, one side of the inner side wall of screening cylinder 9 is fixedly connected with connecting cylinder 19 by multiple connecting rods 18, one side of screening cylinder 9 and connecting cylinder 19 is fixedly connected with rotating shaft 16, two rotating shafts 16 are movably arranged in two movable slots 20 respectively, the side wall of two rotating shafts 16 is provided with limit ring 17, limit ring 17 is attached with the side wall of screening box 1, driving mechanism for driving one rotating shaft 16 to rotate is provided on screening box 1, and the driving mechanism includes driving motor 2, driving motor 2 is fixedly connected with one side of screening box 1, the output of driving motor 2 is fixedly connected with first gear 3, one end of one rotating shaft 16 is fixedly connected with second gear 4, when screening cylinder 9 drives second gear 4 to move downwards, second gear 4 is engaged with first gear 3, and the dredging mechanism includes motor 5 and connecting shaft 8, two support plates 12 are fixedly connected on both sides of screening box 1, the upper surface of multiple support plates 12 is fixedly connected with multiple-stage electric telescopic rod 11, the output of adjacent two multiple-stage electric telescopic rods 11 is fixedly connected with connecting plate 6, connecting shaft 8 is rotatably installed between two connecting plates 6 and located above screening cylinder 9, multiple dredging rods 7 used in cooperation with screen hole 10 are evenly fixedly connected on the side wall of connecting shaft 8, motor 5 is fixedly connected with one side of one connecting plate 6, and the output of motor 5 is fixedly connected with one end of connecting shaft 8.

[0021] The implementation principle of the screening mechanism of the regenerated plastic granulator embodiment of the application is as follows: the electrical elements appearing in the application are externally connected to a power supply and a control switch during use. During use, the plastic particles to be screened are placed in the inside of the screening cylinder 9, the screening cylinder 9 is placed in the inside of the screening box 1, and the two rotating shafts 16 on the screening cylinder 9 are respectively located in the two movable grooves 20. When the second gear 4 on the screening cylinder 9 moves downward, the staff can manually rotate the second gear 4 to enable the second gear 4 to mesh with the first gear 3. After the rotating shaft 16 is completely engaged in the inside of the movable groove 20, the limiting ring 17 on the rotating shaft 16 can also be attached to the side wall of the screening box 1 to avoid the left and right shaking of the screening cylinder 9. The connection plate 6 can be driven to move downward by starting the multi-stage electric telescopic rod 11, the connection plate 6 can drive the connecting shaft 8 and the dredging rod 7 to move downward, and when the dredging rod 7 moves downward to the sieve hole 10 on the screening cylinder 9, the operation of the multi-stage electric telescopic rod 11 can be paused, and the driving motor 2 and the electric motor 5 are started at the same time. The driving motor 2 can drive the second gear 4 to rotate through the first gear 3, the second gear 4 can drive the screening cylinder 9 to rotate through the rotating shaft 16, the plastic particles can fall downward to the collecting box 13 through the sieve hole 10 on the screening cylinder 9, the electric motor 5 can drive the dredging rod 7 to rotate through the connecting shaft 8. From the front side, the driving motor 2 can drive the screening cylinder 9 to rotate in the clockwise direction, the electric motor 5 can drive the connecting shaft 8 to rotate in the counterclockwise direction, and in actual use, the staff can adjust the rotation speed of the driving motor 2 and the electric motor 5 to ensure that the dredging rod 7 can be smoothly inserted into the sieve hole 10. In the subsequent use process, the staff regularly maintains the driving motor 2 and the electric motor 5 to ensure the smooth operation of the overall device. When the collecting box 13 collects a certain amount of plastic particles, the handle 14 can pull the collecting box 13 to move so as to take out the plastic particles. In this process, the driving motor 2 can drive the screening cylinder 9 to rotate so as to screen the plastic particles, the electric motor 5 can drive the dredging rod 7 to rotate, the dredging rod 7 can be inserted into the inside of the sieve hole 10 to avoid the clogging of the sieve hole 10, improve the screening efficiency of the overall device, and the overall structure is relatively simple, which is very convenient to use and improves the practicality of the device.

[0022] Referring to Fig. 1 and Fig. 2 , one side of the screening box 1 is provided with an observation window 15, which facilitates the staff to observe the collection of the plastic particles in the collecting box 13.

[0023] Finally should be explained a few points are: first, in the description of the present application, it should be pointed out that, unless otherwise specified and limited, the term "installation", "connected", "connection" should be broad, can be mechanical or electrical connection, but also can be two elements inside the communication, can be directly connected, "up", "down", "left", "right" and so on, only for indicating the relative position relationship, when the absolute position of the described object changes, the relative position relationship may change;

[0024] Second: the utility model discloses the embodiment in the drawing, only relate to the structure involved in the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflicting, the same embodiment and different embodiments of the utility model can be combined with each other;

[0025] Finally: the above only for the preferred embodiment of the utility model has, and does not use for limiting the utility model, any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be contained in the protection scope of the utility model.

[0026] The above are the preferred embodiments of the present application, and are not used to limit the protection scope of the present application, therefore: any equivalent change made according to the structure, shape, principle of the present application should be covered in the protection scope of the present application.

Claims

1. A recycled plastic pelletizer screening mechanism, characterized by: The screening box (1), the screening cylinder (9) and the dredging mechanism are included. The top of the screening box (1) is open, and the upper surface of the screening box (1) is symmetrically provided with a movable groove (20). The side of the screening cylinder (9) is open, a plurality of sieve holes (10) for screening plastic particles are uniformly arranged on the side wall of the screening cylinder (9), a connecting cylinder (19) is fixedly connected to one side of the inner side wall of the screening cylinder (9) through a plurality of connecting rods (18), one side of the screening cylinder (9) and the connecting cylinder (19) is fixedly connected with a rotating shaft (16), and two rotating shafts (16) are movably arranged in two movable grooves (20), respectively. The dredging mechanism includes a motor (5) and a connecting shaft (8), both sides of the screening box (1) are fixedly connected with two support plates (12), the upper surfaces of the plurality of support plates (12) are fixedly connected with multi-stage electric telescopic rods (11), the output ends of adjacent two multi-stage electric telescopic rods (11) are fixedly connected with a connecting plate (6), the connecting shaft (8) located above the screening cylinder (9) is rotatably installed between the two connecting plates (6), a plurality of dredging rods (7) matched with the sieve holes (10) are uniformly fixedly connected to the side wall of the connecting shaft (8), and one side of the connecting plate (6) is fixedly connected with the motor (5).

2. A granulator screening mechanism for recycled plastic as claimed in claim 1, wherein: The driving mechanism includes a driving motor (2), the driving motor (2) is fixedly connected with one side of the screening box (1), the output end of the driving motor (2) is fixedly connected with a first gear (3), and one end of the rotating shaft (16) is fixedly connected with a second gear (4).

3. A granulator screening mechanism for recycled plastic as claimed in claim 1 wherein: The bottom side of the inside of the screening box (1) is slidably provided with a collecting box (13), the top of the collecting box (13) is open, and one side of the collecting box (13) is fixedly connected with a handle (14).

4. A granulator screening mechanism for recycled plastic as claimed in claim 1, wherein: One side of the screening box (1) is provided with an observation window (15).

5. A granulator screening mechanism for recycled plastic as claimed in claim 1, wherein: The side walls of the two rotating shafts (16) are provided with limiting rings (17), and the limiting rings (17) are in close contact with the side walls of the screening box (1). The side walls of the two rotating shafts (16) are provided with limiting rings (17), and the limiting rings (17) are in close contact with the side walls of the screening box (1).

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