Multi-stage plastic granulating and screening device

By designing a reciprocating sieve plate and an automatic cleaning component for a multi-stage screening device, the problems of insufficient screening and inconvenient cleaning in the existing technology are solved, achieving efficient multi-stage screening and automatic cleaning, and improving the accuracy of plastic particle screening and the practicality of the device.

CN223657392UActive Publication Date: 2025-12-12NANTONG HAOYU PLASTICS CO LTD
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Patent Information

Application Number
CN202423313146.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-12
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Existing plastic pellet screening devices are inadequate in screening and inconvenient to clean, resulting in low screening efficiency and an inability to effectively control pellet size and automatically clean residual pellets.

Method used

Design a multi-stage screening device that achieves multi-stage screening and automatic cleaning through reciprocating screen plates and automatic cleaning components, and improves screening accuracy and efficiency by using a combination of motor-driven screen plates and rollers.

Benefits of technology

It achieves efficient multi-stage screening and automatic cleaning of plastic granules, improves screening accuracy and the practicality of the device, and simplifies the operation process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plastic processing, and discloses a multistage plastic granulating and screening device which comprises a box body, the left end and the right end of the inner wall of the box body are fixedly connected with a plurality of supporting strips, the upper ends of the supporting strips are slidably connected with screening plates, and the upper ends of the screening plates are provided with cleaning assemblies. Baffles are fixedly connected to the front side and the rear side of the upper end of the sieve plate, a sliding rod is fixedly connected to the rear end of the baffle on the rear side, the outer wall of the sliding rod is slidably connected to the rear end box wall of the box body, a first machine box is fixedly connected to the outer side of the rear end box wall of the box body, and a vibration assembly is arranged in the first machine box. According to the plastic particle screening device, the screening plate reciprocates through rotation of the cam and the action of the spring, the screening efficiency of the screening plate on plastic particles is improved, residual plastic on the screening plate can be cleaned through the arranged cleaning device, remaining materials can be conveniently treated, and the practicability of the device is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastics processing especially relates to a multistage plastics granulation screening device. BACKGROUND

[0002] Plastic raw materials are polymers, also known as macromolecules or giant molecules. In the processing of plastic raw materials, the plastic raw materials are usually cut into granules to facilitate production, transportation and use. However, the size of the plastic raw material particles cannot be controlled during cutting, and plastic raw material particles with a large size difference cannot achieve the same melting effect in the same time, so the plastic raw materials need to be screened.

[0003] The existing screening device usually uses a screen to screen plastic particles. The existing screen is usually fixedly arranged on the inner wall of the box, which leads to insufficient screening of some plastic particles. After screening is completed, larger plastic particles on the screen need to be manually cleaned, which is not convenient to use and is not conducive to the use of the screening device. To solve this technical problem, the present application provides a multistage plastics granulation screening device. SUMMARY

[0004] The utility model discloses a multistage plastics granulation screening device, which can make the screen plate reciprocate, improve the screening efficiency of plastic particles, and automatically clean the residual particles on the screen plate through the cleaning device, facilitate the processing of the remaining material, and improve the practicality of the device.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A multistage plastics granulation screening device includes a box, the inner wall of the box is fixedly connected with a plurality of support bars at both ends, the upper end of the support bar is slidably connected with a screen plate, the upper end of the screen plate is provided with a cleaning assembly, the upper end of the screen plate is fixedly connected with a baffle on both sides, the rear end of the baffle on the rear side is fixedly connected with a slide rod, the outer wall of the slide rod is slidably connected to the rear end of the box wall, the rear end of the box wall is fixedly connected with a first machine box, and the inside of the first machine box is provided with a vibration assembly.

[0007] Further, the front left side of the box is fixedly connected with a second machine box, the inside of the second machine box is provided with a driving assembly, the front end of the box is fixedly connected with a plurality of slide bars, and the inside of the slide bar is provided with a sliding assembly.

[0008] Further, the cleaning assembly comprises a rotating rod slidably connected to the middle part of the baffle, an outer wall of the rotating rod is slidably connected with a roller, an outer wall of the roller is in contact with the upper end of the sieve plate, a rear end of the rotating rod is fixedly connected with a flat gear, an outer wall of the flat gear is meshingly connected with a rack, and the upper end of the rack is fixedly connected to the inner wall of the rear end of the box body.

[0009] Further, the vibration assembly comprises a first motor fixedly connected to the inner lower side of the first machine box, a driving end of the first motor is fixedly connected with a first rotating shaft, an outer wall of the first rotating shaft is fixedly connected with a plurality of cams, an outer wall of the cam is in contact with the rear end of the slide rod, an outer wall of the slide rod is provided with a spring, and the front end of the spring is fixedly connected to the rear end of the box body.

[0010] Further, the driving assembly comprises a second motor fixedly connected to the inner lower side of the second machine box, a driving end of the second motor is fixedly connected with a second rotating shaft, an outer wall of the second rotating shaft is fixedly connected with a plurality of first bevel gears, and an outer wall of the first bevel gear is meshingly connected with a second bevel gear.

[0011] Further, the sliding assembly comprises a sliding block slidably connected to the inner part of the sliding strip, a rear end of the sliding block is rotatably connected to the front end of the rotating rod, a middle part of the sliding block is screwedly connected with a screw rod, an end of the screw rod is rotatably connected to the inner part of the sliding strip, and the left end of the screw rod is fixedly connected to the right end of the second bevel gear.

[0012] Further, an upper end of the box body is fixedly connected with a feeding port, and a lower inner side of the box body is slidably connected with a discharging box.

[0013] Further, a right end of the box body is fixedly connected with a surplus material box, a plurality of surplus material boxes are slidably connected to the inner part of the surplus material box, an upper side of the left end of the surplus material box is provided with an inclined plate, an upper end of the inclined plate is fixedly connected to the right end of the box wall of the box body, and the lower sides of the box body and the surplus material box are fixedly connected with supporting legs.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、in the utility model, through first motor drive first rotating shaft rotation, first rotating shaft drive cam rotation, cam rotation process extrude slide rod, make slide rod move, and the spring that slide rod outer wall sets up can make slide rod reset, under the action of cam and spring, make slide rod reciprocating motion, further drive the sieve plate that links with slide rod reciprocating motion, thereby improve the screening efficiency of sieve plate to plastic particle, and the sieve plate that sets up many different aperture can realize multistage screening to plastic particle, thereby improve the precision of screening.

[0016] 2. The utility model discloses, through the second motor drive second rotating shaft rotation, and the first bevel gear rotation is driven to second rotating shaft, and then drive second bevel gear and screw rod rotation, make the slider drive the shift lever and the roller move, and the shift lever rear end spur gear and the rack's setting make the shift lever rotate while moving, and then drive the roller rotate while moving, thereby remove the residual particle on the screen plate to the excess material box, convenient for the screen plate is cleaned, improve the practicality of device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is a whole schematic view of multistage's plastic granulating and screening device that the utility model proposes;

[0018] Fig. 2 It is a side sectional view of multistage's plastic granulating and screening device that the utility model proposes;

[0019] Fig. 3 It is a front sectional view of multistage's plastic granulating and screening device that the utility model proposes.

[0020] LEGEND:

[0021] 1, box body, 2, feed inlet, 3, excess material tank, 4, excess material box, 5, discharge box, 6, support leg, 7, first machine case, 8, second machine case, 9, slide strip, 10, first motor, 11, first rotating shaft, 12, cam, 13, slide bar, 14, spring, 15, support strip, 16, screen plate, 17, baffle, 18, roller, 19, shift lever, 20, spur gear, 21, rack, 22, second motor, 23, second rotating shaft, 24, first bevel gear, 25, second bevel gear, 26, screw rod, 27, slider, 28, inclined plate. DETAILED DESCRIPTION

[0022] 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 and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the utility model.

[0023] REFERENCE Figs. 1-3The utility model provides a kind of embodiment of the utility model provides a kind of multistage plastic granulation screening device, including box 1, the upper end of box 1 is connected with feed inlet 2, the downside inside of box 1 is slidably connected with discharge box 5, the inner wall left and right ends of box 1 are all fixedly connected with multiple support strips 15, the upper end of support strip 15 is slidably connected with sieve plate 16, the upper end of sieve plate 16 is all fixedly connected with baffle 17, rear baffle 17 is fixedly connected with slide bar 13 in the rear end, the outer wall of slide bar 13 is slidably connected in the rear end tank wall of box 1, the rear end tank wall outside of box 1 is fixedly connected with first machine case 7, the inside downside of first machine case 7 is fixedly connected with first motor 10, the drive end of first motor 10 is fixedly connected with first rotating shaft 11, the outer wall of first rotating shaft 11 is fixedly connected with multiple cams 12, the outer wall of cam 12 is in contact with the rear end of slide bar 13, the outer wall of slide bar 13 is installed with spring 14, and the front end of spring 14 is fixedly connected in the rear end of box 1.

[0024] Specifically, plastic granulation is poured into sieve plate 16 in the box 1 from feed inlet 2, then start first motor 10, the drive end of first motor 10 drives first rotating shaft 11 to rotate, first rotating shaft 11 drives multiple cams 12 to rotate, cam 12 is extruded in the process of rotation slide bar 13, and slide bar 13 drives sieve plate 16 to slide on support strip 15, when cam 12 does not extrude slide bar 13, slide bar 13 will slide back under the action of spring 14, under the action of cam 12 and spring 14, slide bar 13 and sieve plate 16 do reciprocating motion, to improve the screening efficiency of plastic granulation, and multiple aperture size different sieve plates 16 can improve the screening precision of plastic granulation.

[0025] Refer to Figs. 1-3The left side of the front end of the box body 1 is fixedly connected with a second case 8, the inside lower side of the second case 8 is fixedly connected with a second motor 22, the driving end of the second motor 22 is fixedly connected with a second rotating shaft 23, the outer wall of the second rotating shaft 23 is fixedly connected with a plurality of first bevel gears 24, the outer wall of the first bevel gear 24 is meshedly connected with a second bevel gear 25, the middle part of the second bevel gear 25 is fixedly connected with a screw rod 26, the front end of the box body 1 is fixedly connected with a plurality of sliding strips 9, the end part of the screw rod 26 is rotatably connected inside the left and right sides of the sliding strip 9, the outer wall of the screw rod 26 is threadedly connected with a sliding block 27, the upper and lower ends of the sliding block 27 are slidably connected inside the sliding strip 9, the rear end of the sliding block 27 is rotatably connected with a rotating rod 19, the outer wall of the rotating rod 19 penetrates the middle part of the baffle 17, the outer wall of the rotating rod 19 is slidably connected with a roller 18, the outer wall of the roller 18 is in contact with the upper end of the sieve plate 16, the rear end of the rotating rod 19 is fixedly connected with a flat gear 20, the outer wall of the flat gear 20 is meshedly connected with a rack 21, the upper end of the rack 21 is fixedly connected to the rear end inner wall of the box body 1, the right end of the box body 1 is fixedly connected with a surplus material box 3, a plurality of surplus material boxes 4 are slidably connected inside the surplus material box 3, the left end upper side of the surplus material box 4 is provided with an inclined plate 28, the upper end of the inclined plate 28 is fixedly connected to the right end wall of the box body 1, and the lower sides of the box body 1 and the surplus material box 3 are fixedly connected with supporting legs 6.

[0026] Specifically, after the plastic particle screening is completed, the second motor 22 is started, the driving end of the second motor 22 drives the second rotating shaft 23 to rotate, and then drives a plurality of first bevel gears 24 to rotate, the first bevel gear 24 drives the second bevel gear 25 and the screw rod 26 to rotate, the screw rod 26 rotates to drive the sliding block 27 to slide in the sliding strip 9, and then drives the rotating rod 19 and the roller 18 to move, the movement of the rotating rod 19 drives the flat gear 20 to rotate on the rack 21, and then makes the rotating rod 19 and the roller 18 move while rotating by themselves, so as to facilitate the cleaning of the residual plastic particles on the sieve plate 16 into the surplus material box 4 in the surplus material box 3, thereby facilitating the treatment of the surplus material and improving the practicability of the device.

[0027] Working principle: the plastic granules from the feed inlet 2 into the box 1, and then start the first motor 10, the first motor 10 drive end with the first shaft 11 and cam 12 rotation, cam 12 rotation in the process will be extruded to the slide bar 13, in turn make the slide bar 13 and sieve plate 16 sliding, when cam 12 does not extrude slide bar 13, slide bar 13 will be under the action of spring 14 back to the original place, under the action of cam 12 and spring 14, make the sieve plate 16 reciprocating motion, thereby improving the sieve plate 16 on the plastic granules screening efficiency, when screening is completed, close the first motor 10, start the second motor 22, the second motor 22 with the second shaft 23 and the first bevel gear 24 rotation, the first bevel gear 24 drive second bevel gear 25 and screw 26 rotation, in turn drive the slide block 27 and the rotating rod 19 move, rotating rod 19 drive the rack gear 20 on the rack 21 rotation, in turn make rotating rod 19 in the moving while itself in rotation, rotating rod 19 drive roller 18 in the moving while also in rotation, thereby the excess material on the sieve plate 16 clean to the excess material box 3 in excess material box 4, pull out the excess material box 4, can the excess material processing, convenient and fast, improve the device practicability.

[0028] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing detailed description of the present application, for the skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included in the scope of the present application.

Claims

1. A multi-stage plastic pellet screening device, characterized in that, The utility model provides a kind of screening device, including box (1), the inner wall left and right ends of the box (1) are fixedly connected with multiple support strips (15), the upper end of the support strip (15) is slidably connected with sieve plate (16), the upper end of the sieve plate (16) is provided with cleaning assembly, the upper end of the sieve plate (16) is fixedly connected with baffle (17) on front and back two sides, the rear end of the baffle (17) on rear side is fixedly connected with slide bar (13), the outer wall of the slide bar (13) is slidably connected in the rear end box wall of the box (1), the rear end box wall outside the box (1) is fixedly connected with first machine case (7), the inside of the first machine case (7) is provided with vibration assembly.

2. A multi-stage plastic pellet screening device according to claim 1, characterized in that: The front end left side of the box (1) is fixedly connected with second machine case (8), the inside of the second machine case (8) is provided with drive assembly, the front end of the box (1) is fixedly connected with multiple slide strips (9), the inside of the slide strip (9) is provided with sliding assembly.

3. A multi-stage plastic pellet screening device according to claim 1, characterized in that: The cleaning assembly includes the middle part sliding connection of baffle (17) rotary rod (19), the outer wall of the rotary rod (19) is slidably connected with roller (18), the outer wall of the roller (18) is in contact with the upper end of sieve plate (16), the rear end of the rotary rod (19) is fixedly connected with spur gear (20), the outer wall of the spur gear (20) is engagedly connected with rack (21), the upper end of the rack (21) is fixedly connected on the rear end inner wall of the box (1).

4. The multi-stage plastic pellet screening device according to claim 1, wherein: The vibration assembly includes the inside lower side fixed connection of first machine case (7) first motor (10), the drive end of the first motor (10) is fixedly connected with first rotating shaft (11), the outer wall of the first rotating shaft (11) is fixedly connected with multiple cams (12), the outer wall of the cam (12) is in contact with the rear end of slide bar (13), the outer wall of the slide bar (13) is mounted spring (14), the front end of the spring (14) is fixedly connected in the rear end of the box (1).

5. A multi-stage plastic pellet screening device according to claim 2, wherein: The drive assembly includes the inside lower side fixed connection of second machine case (8) second motor (22), the drive end of the second motor (22) is fixedly connected with second rotating shaft (23), the outer wall of the second rotating shaft (23) is fixedly connected with multiple first bevel gears (24), the outer wall of the first bevel gear (24) is engagedly connected with second bevel gear (25).

6. A multi-stage plastic pellet screening device according to claim 2, characterized in that: The sliding assembly includes the inside sliding connection of slide strip (9) sliding block (27), the rear end of the sliding block (27) is rotatably connected in the front end of rotary rod (19), the middle part of the sliding block (27) is screwedly connected with screw rod (26), the end of the screw rod (26) is rotatably connected in the inside of slide strip (9), the left end of the screw rod (26) is fixedly connected in the right end of second bevel gear (25).

7. The multi-stage plastic pellet screening device according to claim 1, wherein: The upper end of the box (1) is fixedly connected with feeding port (2), the lower side inside of the box (1) is slidably connected with discharge box (5).

8. The multi-stage plastic pellet screening device according to claim 1, wherein: The right end of the box (1) is fixedly connected with a surplus box (3), the inside of the surplus box (3) is slidably connected with a plurality of surplus boxes (4), the left end upper side of the surplus box (4) is provided with an inclined plate (28), the upper end of the inclined plate (28) is fixedly connected with the right end box wall of the box (1), and the lower sides of the box (1) and the surplus box (3) are fixedly connected with supporting legs (6).