Screening device with multi-stage sorting structure for PE plastic particle production

Abstract

The utility model relates to the technical field of plastic particle production, in particular to a PE plastic particle production screening device with a multi-stage sorting structure, which comprises a screening box, a screening cylinder is slidably mounted in the screening box, a first screening plate is mounted at the bottom end in the screening cylinder, a second screening plate is arranged above the first screening plate, and a plurality of screening holes are formed in the second screening plate. And a third screening plate is arranged above the second screening plate. The PE plastic particle screening device has the advantages that PE plastic particles are screened in three stages, screening of the PE plastic particles is not hindered due to the fact that the PE plastic particles are stacked and clustered, and smooth and rapid screening of the PE plastic particles is kept; and in the process that the PE plastic is screened by the screening barrel, a second motor drives a second rotating rod and a cam to rotate, so that the screening barrel is jacked to move up and down at the top end of a supporting plate in a reciprocating mode, then PE plastic particles in the screening barrel are shaken, and sufficient screening of the PE plastic particles is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic particle production, especially to a screening device with multistage sorting structure for PE plastic particle production. BACKGROUND

[0002] Plastics are high molecular compounds polymerized by monomers as raw materials through polyaddition or polycondensation reaction, which has medium resistance to deformation between fiber and rubber, and is composed of synthetic resin and additives such as filler, plasticizer, stabilizer, lubricant and colorant.

[0003] PE particles are polyethylene particles, which are granular when leaving the chemical plant, so they are called PE particles. The recycled polyethylene waste is also called PE particles after being crushed. During PE particle production, PE plastic particles need to be screened.

[0004] Therefore, a screening device with multistage sorting structure for PE plastic particle production is proposed to screen PE plastic particles in multiple stages.

[0005] For example, the prior art Chinese patent publication "CN217752243U" provides a screening device with multistage sorting structure for PE plastic particle production, which includes a screening device box, a power motor and an ash box. The right end of the screening device box is threadedly connected with a cleaning cover. The right end of the screening device box is fixedly installed with a connecting frame. The inner end of the connecting frame is slidingly installed with a connecting water pipe. The power motor is fixedly installed at the left end of the screening device box. The output end of the power motor is fixedly installed with a gear. The outer end of the gear is meshingly connected with a chain. The front end of the gear is fixedly installed with an eccentric turntable. The right end of the eccentric turntable is provided with a connecting plate.

[0006] The device is convenient for flushing dust and impurities adhered to the inner end of the screening device box, convenient for multistage sorting, can screen out PE plastic particles of different particle sizes, and is convenient for collecting and processing the screened impurities.

[0007] The existing screening device for PE plastic particle production is prone to stacking PE plastic particles at the top of the screening structure during use, and cannot rotate, stir and disperse the PE plastic particles at the top of the screening structure, which is not conducive to the rapid screening of PE plastic particles. Utility model content

[0008] The utility model aims at solving the shortcomings in the prior art that the PE plastic particles at the top of the screening structure cannot be rotated, stirred and dispersed, and the PE plastic particles are not conducive to rapid screening, and provides a screening device with multistage sorting structure for PE plastic particle production.

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0010] The utility model provides a kind of screening device with multistage sorting structure for PE plastic particle production, including screening box, the inside sliding installation of the screening box is equipped with screening cylinder, the inside bottom end of the screening cylinder is equipped with first screening plate, the top of the first screening plate is equipped with second screening plate, the top of the second screening plate is equipped with third screening plate, the middle rotation of the second screening plate and the third screening plate is equipped with first rotating rod, the surface of the first rotating rod is uniformly equipped with agitator rod, the side of the screening cylinder is respectively connected with first discharge pipe, second discharge pipe and third discharge pipe, the top of the first rotating rod is fixed with connecting cylinder, the bottom end edge of the first screening plate is equipped with support plate, the middle rotation of the bottom end of the first screening plate is equipped with second rotating rod, the surface of the second rotating rod is fixed with cam.

[0011] Further, the top of the screening box is connected with feed pipe, the middle of the top of the screening box is equipped with first motor, the bottom end of the first motor is connected with rotating shaft, the rotating shaft is rotatably inserted into the inside of the screening box, the bottom end of the rotating shaft is fixed with connecting rod, the middle of the connecting cylinder is equipped with clamping groove, the connecting rod is slidably inserted into the clamping groove.

[0012] Further, the side bottom end of the screening box is connected with fourth discharge pipe, the side of the screening box is equipped with second motor, the second motor is connected with one end of the second rotating rod, the side of the screening box and the position above the second motor are equipped with lifting groove, the first discharge pipe, second discharge pipe and third discharge pipe are slidably inserted into the lifting groove.

[0013] Further, the bottom end of the support plate is fixed with guide rod, the bottom end of the guide rod is fixed with baffle, the surface of the guide rod is slidably sleeved with spring, the bottom end of the spring is equipped with mounting plate, the surface of the mounting plate is equipped with guide hole, the guide rod is slidably inserted into the guide hole.

[0014] Further, the screening box and the screening cylinder are both cylindrical structure, and are vertically arranged, the first screening plate, second screening plate and the third screening plate are all circular structure, and are arranged in parallel with each other, the first rotating rod is vertically arranged, and the bottom end thereof is abutted against the top end of the first screening plate, the agitator rods are slidably distributed on the top end of the first screening plate, second screening plate and the third screening plate respectively, the first discharge pipe, the second discharge pipe and the third discharge pipe are located on the top end of the first screening plate, second screening plate and the third screening plate respectively, and are horizontally arranged.

[0015] Further, the rotating shaft is a circular rod structure and is vertically arranged, the connecting rod, the connecting barrel and the clamping groove are all rectangular structures and are vertically arranged, and the depth of the clamping groove is greater than the height of the connecting rod.

[0016] Further, the second rotating rod is horizontally arranged and rotationally connected between the two ends and the side surface of the screening box, the cams are uniformly and vertically arranged on the bottom end of the first screening plate, and the lifting groove is a long strip structure and is vertically arranged.

[0017] Further, the supporting plate is a circular plate structure and is horizontally arranged, the guide rod is vertically arranged, the baffle is horizontally arranged, the spring is located between the supporting plate and the mounting plate, and the mounting plate is a rectangular plate structure and is horizontally fixed to the inner surface of the screening box.

[0018] The screening device for PE plastic particle production with a multi-stage screening structure has the beneficial effects that:

[0019] 1. The screening device for PE plastic particle production with a multi-stage screening structure has the beneficial effects that:

[0020] 2. The screening device for PE plastic particle production with a multi-stage screening structure has the beneficial effects that: BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a whole structure schematic view of the screening device for PE plastic particle production with a multi-stage screening structure.

[0022] Figure 2 The utility model discloses Figure 1 The internal structure schematic drawing of screening cylinder of the utility model discloses

[0023] Figure 3 The utility model discloses Figure 1 The bottom end part schematic drawing of screening cylinder of the utility model discloses

[0024] Figure 4 The utility model discloses Figure 1 The first rotating rod and third screening board part schematic drawing of the utility model discloses

[0025] Figure 5 The utility model discloses Figure 1 The installation plate part schematic drawing of the utility model discloses

[0026] Figure 6 The utility model discloses Figure 1 The support plate part schematic drawing of the utility model discloses

[0027] In the drawing: 1, screening box;2, fourth discharge pipe;3, second motor;4, first discharge pipe;5, lifting groove;6, second discharge pipe;7, third discharge pipe;8, first motor;9, feed pipe;10, screening cylinder;11, second rotating rod;12, cam;13, installation plate;14, guide rod;15, third screening board;16, agitating rod;17, first rotating rod;18, connecting cylinder;19, connecting rod;20, rotating shaft;21, spring;22, baffle;23, support plate;24, first screening board;25, clamping groove;26, second screening board;27, guide hole. Specific implementation

[0028] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0029] Embodiment 1

[0030] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 And Figure 6The utility model provides a kind of PE plastic particle production screening device with multi-stage sorting structure in the drawing, including screening box 1, screening cylinder 10 is slidably installed in the inside of screening box 1, the inside bottom end of screening cylinder 10 is installed with first screening plate 24, the top of first screening plate 24 is provided with second screening plate 26, the top of second screening plate 26 is provided with third screening plate 15, first rotating rod 17 is rotated through in the middle of second screening plate 26 and third screening plate 15, agitating rod 16 is uniformly fixed on the surface of first rotating rod 17, the side of screening cylinder 10 is respectively connected with first discharge pipe 4, second discharge pipe 6 and third discharge pipe 7, connecting cylinder 18 is fixed on the top end of first rotating rod 17, support plate 23 is installed on the bottom end edge of first screening plate 24, second rotating rod 11 is rotated through in the middle of the bottom end of first screening plate 24, cam 12 is fixed on the surface of second rotating rod 11.

[0031] When PE plastic particle is screened on third screening plate 15 in the inside of screening cylinder 10, first motor 8 drives first rotating rod 17 to rotate, and agitating rod 16 is used to stir and disperse PE plastic particle on third screening plate 15, so that PE plastic particle is screened, and falls on second screening plate 26, at the same time, agitating rod 16 is used to stir and disperse, so that PE plastic particle is screened, and falls on third screening plate 15, agitating rod 16 is used to stir and disperse again, so that PE plastic particle is screened, and falls in the inside bottom end of screening box 1, therefore, PE plastic particle is screened by three levels, and there is no stacking into a mass to hinder the screening of PE plastic particle, so that the screening of PE plastic particle is smooth and fast.

[0032] The top of screening box 1 is connected with feeding pipe 9, first motor 8 is installed in the middle of the top of screening box 1, rotating shaft 20 is connected with the bottom end of first motor 8, rotating shaft 20 is rotated and inserted into the inside of screening box 1, connecting rod 19 is fixed on the bottom end of rotating shaft 20, clamping groove 25 is formed in the middle of connecting cylinder 18, connecting rod 19 is slidably inserted into clamping groove 25.

[0033] The bottom end of the side of screening box 1 is connected with fourth discharge pipe 2, second motor 3 is installed on the side of screening box 1, second motor 3 is connected with one end of second rotating rod 11, lifting groove 5 is formed on the side of screening box 1 and above second motor 3, first discharge pipe 4, second discharge pipe 6 and third discharge pipe 7 are slidably inserted into lifting groove 5.

[0034] The screening box 1 and the screening drum 10 are both cylindrical structures and are vertically arranged, the first screening plate 24, the second screening plate 26 and the third screening plate 15 are all circular structures and are arranged in parallel with each other, the first rotating rod 17 is vertically arranged, the bottom end of the first rotating rod 17 abuts against the top end of the first screening plate 24, the stirring rods 16 are respectively and slidingly arranged at the top end of the first screening plate 24, the second screening plate 26 and the third screening plate 15, and the first discharge pipe 4, the second discharge pipe 6 and the third discharge pipe 7 are respectively arranged at the top end of the first screening plate 24, the second screening plate 26 and the third screening plate 15 and are horizontally arranged.

[0035] The rotating shaft 20 is a circular rod structure and is vertically arranged, the connecting rod 19, the connecting drum 18 and the clamping groove 25 are all rectangular structures and are vertically arranged, and the depth of the clamping groove 25 is greater than the height of the connecting rod 19.

[0036] Embodiment 2

[0037] Please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 and Figure 6 , one of the screening devices with multi-stage sorting structure for PE plastic particle production shown in the illustration comprises a screening box 1, a screening drum 10 is slidingly arranged in the interior of the screening box 1, a first screening plate 24 is arranged at the bottom end of the interior of the screening drum 10, a second screening plate 26 is arranged above the first screening plate 24, a third screening plate 15 is arranged above the second screening plate 26, a first rotating rod 17 is rotatably arranged in the middle of the second screening plate 26 and the third screening plate 15, stirring rods 16 are uniformly arranged on the surface of the first rotating rod 17, a first discharge pipe 4, a second discharge pipe 6 and a third discharge pipe 7 are respectively connected to the side of the screening drum 10, a connecting drum 18 is fixed to the top end of the first rotating rod 17, a support plate 23 is arranged at the bottom end of the first screening plate 24, a second rotating rod 11 is rotatably arranged in the middle of the bottom end of the first screening plate 24, and a cam 12 is fixed to the surface of the second rotating rod 11.

[0038] When the PE plastic particles are sieved on the third sieve plate 15 inside the sieve cylinder 10, the first motor 8 drives the first rotating rod 17 to rotate and drives the stirring rod 16 to stir and disperse the PE plastic particles on the third sieve plate 15, which is beneficial for the sieving of the PE plastic particles and falling on the second sieve plate 26. At the same time, the stirring rod 16 is used for stirring and dispersing, which is beneficial for the sieving of the PE plastic particles and falling on the third sieve plate 15. The stirring rod 16 is used for stirring and dispersing again, which is beneficial for the sieving of the PE plastic particles and falling inside the bottom end of the sieve box 1. Therefore, the PE plastic particles are sieved by three levels, and there is no stacking and blocking of the PE plastic particles, so that the PE plastic particles can be sieved smoothly and quickly.

[0039] The top end of the sieve box 1 is connected with the feeding pipe 9, the top end of the sieve box 1 is provided with the first motor 8, the bottom end of the first motor 8 is connected with the rotating shaft 20, the rotating shaft 20 is rotatably inserted into the inside of the sieve box 1, the bottom end of the rotating shaft 20 is fixed with the connecting rod 19, the middle of the connecting cylinder 18 is provided with the clamping groove 25, and the connecting rod 19 is slidably inserted into the clamping groove 25.

[0040] The side bottom end of the sieve box 1 is connected with the fourth discharge pipe 2, the side of the sieve box 1 is provided with the second motor 3, the second motor 3 is connected with one end of the second rotating rod 11, the side of the sieve box 1 and above the second motor 3 is provided with the lifting groove 5, and the first discharge pipe 4, the second discharge pipe 6 and the third discharge pipe 7 slide through the lifting groove 5.

[0041] The bottom end of the supporting plate 23 is fixed with the guide rod 14, the bottom end of the guide rod 14 is fixed with the baffle 22, the surface of the guide rod 14 is slidably sleeved with the spring 21, the bottom end of the spring 21 is provided with the mounting plate 13, the surface of the mounting plate 13 is provided with the guide hole 27, and the guide rod 14 slides through the guide hole 27.

[0042] At the bottom end of the sieve cylinder 10, the supporting plate 23, the spring 21 and the mounting plate 13 are elastically supported, the cam 12 is driven by the second rotating rod 11 to rotate at the bottom end of the first sieve plate 24, and the top end of the first rotating rod 17 is connected with the rotating shaft 20 at the bottom end of the first motor 8 through the connecting cylinder 18, the clamping groove 25 and the connecting rod 19. Therefore, during the sieving of the PE plastic particles in the sieve cylinder 10, the second motor 3 drives the second rotating rod 11 and the cam 12 to rotate, so as to drive the sieve cylinder 10 to reciprocatingly move up and down at the top end of the supporting plate 23, and then shake the PE plastic particles in the sieve cylinder 10, which is beneficial for the full sieving of the PE plastic particles.

[0043] The second rotating rod 11 is horizontally arranged and rotationally connected between the two ends and the side surface of the screening box 1, the cam 12 is uniformly vertically arranged at the bottom end of the first screening plate 24, and the lifting groove 5 is in a long strip structure and vertically arranged.

[0044] The support plate 23 is in a circular plate structure and horizontally arranged, the guide rod 14 is vertically arranged, the baffle 22 is horizontally arranged, the spring 21 is arranged between the support plate 23 and the mounting plate 13, and the mounting plate 13 is in a rectangular plate structure and horizontally fixed to the inner surface of the screening box 1.

[0045] The working mode is as follows: the screening drum 10 is movably arranged in the interior of the screening box 1, the first screening plate 24, the second screening plate 26 and the third screening plate 15 are uniformly arranged from bottom to top in the interior of the screening drum 10, and the screen holes on the surfaces are sequentially increased, so that, when the PE plastic particles enter the third screening plate 15 in the interior of the screening drum 10 for screening, the first motor 8 drives the first rotating rod 17 to rotate and drives the stirring rod 16 to stir and disperse the PE plastic particles on the third screening plate 15, so that the PE plastic particles are beneficial to be screened and fall on the second screening plate 26, at the same time, the stirring rod 16 is beneficial to stir and disperse the PE plastic particles, so that the PE plastic particles are beneficial to be screened and fall on the third screening plate 15, the stirring rod 16 is again beneficial to stir and disperse the PE plastic particles, so that the PE plastic particles are beneficial to be screened and fall on the bottom end in the interior of the screening box 1, therefore, the PE plastic particles are screened through three stages, and no stacking and agglomeration occurs, so as to prevent the PE plastic particles from being screened and keep the PE plastic particles from being smoothly and quickly screened.

[0046] The bottom end of the screening drum 10 is elastically supported through the support plate 23, the spring 21 and the mounting plate 13, the cam 12 is driven by the second rotating rod 11 to rotate at the bottom end of the first screening plate 24, and the top end of the first rotating rod 17 is connected with the rotating shaft 20 at the bottom end of the first motor 8 through the connecting drum 18, the clamping groove 25 and the connecting rod 19, therefore, during the screening process of the PE plastic particles in the screening drum 10, the second motor 3 drives the second rotating rod 11 and the cam 12 to rotate, so that the screening drum 10 is top-driven to reciprocatingly move up and down at the top end of the support plate 23, and the PE plastic particles in the interior of the screening drum 10 are shaken, so as to be beneficial to be fully screened.

[0047] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the application concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A screening device for PE plastic particle production with a multi-stage sorting structure, comprising a screening box (1), characterized in that: The inside of the screening box (1) is slidably installed with a screening cylinder (10), the inside bottom end of the screening cylinder (10) is installed with a first screening plate (24), the upper side of the first screening plate (24) is provided with a second screening plate (26), the upper side of the second screening plate (26) is provided with a third screening plate (15), the middle of the second screening plate (26) and the third screening plate (15) is rotatably penetrated with a first rotating rod (17), the surface of the first rotating rod (17) is uniformly fixed with an agitating rod (16), the side of the screening cylinder (10) is respectively connected with a first discharge pipe (4), a second discharge pipe (6) and a third discharge pipe (7), the top end of the first rotating rod (17) is fixed with a connecting cylinder (18), the bottom end edge of the first screening plate (24) is installed with a supporting plate (23), the middle of the bottom end of the first screening plate (24) is rotatably penetrated with a second rotating rod (11), the surface of the second rotating rod (11) is fixed with a cam (12).

2. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 1, characterized in that: The top end of the screening box (1) is connected with a feeding pipe (9), the middle of the top end of the screening box (1) is installed with a first motor (8), the bottom end of the first motor (8) is connected with a rotating shaft (20), the rotating shaft (20) is rotatably inserted into the inside of the screening box (1), the bottom end of the rotating shaft (20) is fixed with a connecting rod (19), the middle of the connecting cylinder (18) is opened with a clamping groove (25), the connecting rod (19) is slidably inserted into the clamping groove (25).

3. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 1, characterized in that: The side bottom end of the screening box (1) is connected with a fourth discharge pipe (2), the side of the screening box (1) is installed with a second motor (3), one end of the second motor (3) is installed and connected with the second rotating rod (11), the side of the screening box (1) and the position above the second motor (3) is opened with a lifting groove (5), the first discharge pipe (4), the second discharge pipe (6) and the third discharge pipe (7) are slidably penetrated through the lifting groove (5).

4. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 1, characterized in that: The bottom end of the supporting plate (23) is fixed with a guide rod (14), the bottom end of the guide rod (14) is fixed with a baffle (22), the surface of the guide rod (14) is slidably sleeved with a spring (21), the bottom end of the spring (21) is installed with a mounting plate (13), the surface of the mounting plate (13) is opened with a guide hole (27), the guide rod (14) is slidably penetrated through the guide hole (27).

5. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 1, characterized in that: The screening box (1) and the screening cylinder (10) are both cylindrical structures and are vertically arranged, the first screening plate (24), the second screening plate (26) and the third screening plate (15) are all circular structures and are arranged in parallel with each other, the first rotating rod (17) is vertically arranged, the bottom end of which abuts against the top end of the first screening plate (24), the stirring rods (16) are respectively slidably arranged at the top ends of the first screening plate (24), the second screening plate (26) and the third screening plate (15), and the first discharge pipe (4), the second discharge pipe (6) and the third discharge pipe (7) are respectively arranged at the top ends of the first screening plate (24), the second screening plate (26) and the third screening plate (15) and are horizontally arranged.

6. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 2, characterized in that: The rotating shaft (20) is a circular rod structure and is vertically arranged, the connecting rod (19), the connecting cylinder (18) and the clamping groove (25) are all rectangular structures and are vertically arranged, and the depth of the clamping groove (25) is greater than the height of the connecting rod (19).

7. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 3, characterized in that: The second rotating rod (11) is horizontally arranged, the two ends of which are rotationally connected with the side faces of the screening box (1), the cams (12) are uniformly and vertically arranged at the bottom end of the first screening plate (24), and the lifting groove (5) is a long strip structure and is vertically arranged.

8. The screening device with multi-stage sorting structure for PE plastic particle production according to claim 4, characterized in that: The supporting plate (23) is a circular plate structure and is horizontally arranged, the guide rod (14) is vertically arranged, the baffle (22) is horizontally arranged, the spring (21) is arranged between the supporting plate (23) and the mounting plate (13), and the mounting plate (13) is a rectangular plate structure and is horizontally fixed to the inner surface of the screening box (1).

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