CN220941784U - Screening device for engineering plastics - Google Patents

Abstract

The utility model discloses a screening device of engineering plastics, which belongs to the technical field of plastic screening and comprises the following components: the rotary screen comprises a shell, wherein a coarse screen and a fine screen are rotatably arranged on one side of the inside of the shell, a driving motor is fixedly arranged on one side of the bottom of the inside of the shell, a rotary rod is fixedly connected to the output end of the driving motor, a cam is fixedly connected to the outer side of the rotary rod, a fixed block is movably abutted to one side of the cam, a first driving arm is hinged to the top of the fixed block, a pushing block is hinged to the top of the first driving arm, and a sliding rod is fixedly arranged at the bottom of the pushing block. According to the utility model, the feeding of engineering plastics is controlled by the mutual coordination among the rotating rod, the rotating disc, the cylinder, the rotating plate and the rotating disc, the condition of screen blockage cannot occur, and meanwhile, the residual engineering plastics on the screen is cleaned by the mutual coordination among the cylinder, the square block, the first driving arm, the second driving arm, the coarse screen, the fine screen, the first rotating shaft and the second rotating shaft, so that the working efficiency is greatly improved.

Description

Screening device for engineering plastics

Technical Field

The utility model relates to the technical field of plastic screening, in particular to a screening device for engineering plastics.

Background

Engineering plastics are used as industrial parts or shell materials, are plastics with excellent strength, impact resistance, heat resistance, hardness and ageing resistance, are plastics used as structural materials in engineering, are generally high in mechanical strength or have good performances such as high temperature resistance, corrosion resistance and wear resistance, can replace metal to be used as certain mechanical parts, are quite large in performance and application, such as polyamide, polytetrafluoroethylene, ABS plastics, polyoxymethylene, polycarbonate and the like, are widely applied to industries such as electronics and electrical, automobiles, buildings, office equipment, machinery, aerospace and the like, become the world popular trend in the plastic-substituted steel and plastic-substituted wood, become the field of the fastest growth in the plastic industry of the current world, and the development of the engineering plastics not only has a supporting effect on the national post industry and modern high and new technology industry, but also promotes the improvement of the traditional industry and the adjustment of product structures.

Patent document with publication number CN 215030910U discloses feeder hopper, main part, motor case, filter screen, rotation axis, stock guide and discharging case, the feeder hopper is located the main part top, the feeder hopper communicates with each other with the main part inner chamber, main part inner chamber both sides wall is equipped with the buckle, be equipped with the filter screen in the buckle, vibration motor is installed to the filter screen bottom, the motor case is fixed in the main part outside.

According to the technical scheme, residues on the filter screen are required to be cleaned manually, feeding cannot be controlled, and the feeding and the filter screen are easy to be blocked; therefore, we propose a screening device for engineering plastics to solve the problem.

Disclosure of utility model

The utility model aims to provide a screening device for engineering plastics, which solves the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A screening device for engineering plastics, comprising: the rotary screen comprises a shell, wherein a coarse screen and a fine screen are rotatably arranged on one side of the inside of the shell, a driving motor is fixedly arranged on one side of the bottom of the inside of the shell, a rotating rod is fixedly connected to the output end of the driving motor, a cam is fixedly connected to the outer side of the rotating rod, a fixed block is movably abutted to one side of the cam, a first driving arm is hinged to the top of the fixed block, a pushing block is hinged to the top of the first driving arm, a sliding rod is fixedly arranged on the bottom of the pushing block, a second driving arm is hinged to the top of the fine screen, the top of the second driving arm is hinged to the bottom of the coarse screen, a rotating column is fixedly arranged on the inner wall of the top of the shell, a rotating plate is rotatably connected to the bottom of the rotating column, a rotating disc is fixedly arranged on one side of the rotating plate, an arc plate hole is formed in the other side of the top of the rotating rod, a rotating disc is fixedly arranged on one side of the top of the rotating disc, and a cylinder is movably abutted to the inner wall of the arc plate hole.

Preferably, the sliding rod is provided with a fixed plate in a sliding manner, one side of the fixed plate is fixedly provided with a baffle, the other side of the fixed plate is fixedly provided with a sliding block, the outer side of the sliding block is fixedly connected with the inside of the fixed block, the bottom of the baffle is fixedly arranged on the inner bottom wall of the shell, one side of the fixed block is fixedly provided with a reset spring, the other side of the reset spring is fixedly provided with a supporting block, the bottom of the supporting block is fixedly arranged at the top of the fixed plate, one side of the fixed plate is fixedly provided with a cylinder, the output end of the cylinder is fixedly provided with a square block, and the square block is movably abutted to one side bottom of the fine screen.

Preferably, an arc groove I and an arc groove II are formed in the inner wall of one side of the shell, one side of the fine screen is rotationally connected in the arc groove I, a protection plate I is fixedly arranged on one side of the top of the fine screen, a rotation shaft I is rotationally connected in the other side of the fine screen, a protection plate II is fixedly arranged on one side of the top of the coarse screen, a rotation shaft II is rotationally connected in the other side of the coarse screen, two sides of the rotation shaft II and the rotation shaft I are fixedly connected on the front inner wall and the rear inner wall of the shell, and one side of the coarse screen is rotationally connected in the arc groove II.

Preferably, hinge plates I are fixedly arranged on two sides of the top of the fixed block, hinge shafts I are fixedly connected between the hinge plates I, a driving arm I is rotatably connected to the outer side of the hinge shaft I, a rotating shaft I is rotatably connected to the other side of the driving arm I, rectangular blocks I are fixedly arranged on two sides of the rotating shaft I, pushing blocks are fixedly arranged on one side of the rectangular blocks, a plurality of hinge plates II are fixedly arranged on the top of the pushing blocks, hinge shafts II are rotatably connected between the hinge plates II, driving arms II are rotatably connected to the outer sides of the hinge shafts, a rotating shaft II is rotatably connected to the other side of the driving arm II, rectangular blocks II are fixedly arranged on the two sides of the rotating shaft II, and the rectangular blocks II are fixedly arranged at the bottom of the coarse screen.

Preferably, the feed inlet is fixedly arranged at the top of the shell, the outlet of the feed inlet is movably abutted to the top of the rotary disc, a supporting plate is fixedly arranged on the inner wall of one side of the shell, and one side of the supporting plate is internally and rotatably connected to the outer side of the rotary rod.

Preferably, the collecting box is movably inserted into the inner wall of the bottom of the shell, the first handle is fixedly arranged on the outer side of the collecting box, the protecting box is fixedly arranged on one side of the shell, the waste residue collecting box is movably inserted into the bottom of the protecting box, the second handle is fixedly arranged on the outer side of the waste residue collecting box, the partition plate is fixedly arranged in the middle of the inner part of the waste residue collecting box, two discharging holes are formed in one side of the shell, the coarse screen and the fine screen are respectively movably abutted to the corresponding discharging holes, the discharging plate is fixedly arranged on the outer side of the shell, and one side of the discharging plate is arranged above the waste residue collecting box.

According to the engineering plastic screening device, the rotating rod is driven by the driving motor to start rotating, the rotating rod drives the cam to start rotating, the cam pushes the fixed block to start moving, the fixed block drives the pushing block to move through the driving arm I, then the pushing block starts to circularly move through the sliding rod through the reset spring, the pushing block drives the fine screen to reciprocally rotate through the driving arm I, meanwhile, the fine screen drives the coarse screen to reciprocally rotate through the driving arm II, the engineering plastic is primarily screened, and the fine screen carries out fine screening on the engineering plastic again while reciprocally rotating;

According to the engineering plastic screening device, the rotating plate is driven to start rotating through the rotating rod, the rotating plate drives the cylinder to start rotating, the cylinder drives the rotating plate to start rotating, the rotating plate drives the rotating plate to start rotating to leave the feeding hole, and meanwhile the rotating plate is limited in rotation through the rotating column and the arc plate holes on the rotating plate;

The utility model has reasonable structural design, controls the feeding of engineering plastics through the mutual matching among the rotary rod, the rotary disc, the cylinder, the rotary plate and the rotary disc, can not cause the condition of screen blockage, and simultaneously cleans the residual engineering plastics on the screen through the mutual matching among the cylinder, the square block, the first driving arm, the second driving arm, the coarse screen, the fine screen, the first rotating shaft and the second rotating shaft, thereby greatly improving the working efficiency.

Drawings

Fig. 1 is a schematic perspective view of a screening device for engineering plastics according to the present utility model;

FIG. 2 is a schematic cross-sectional view of a screening apparatus for engineering plastics according to the present utility model;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion B of FIG. 2;

FIG. 5 is a schematic diagram of a cross-sectional structure of a screening apparatus for engineering plastics according to the present utility model;

fig. 6 is a partial enlarged view of a portion C in fig. 5.

In the figure: 1. a housing; 2. a product collection box; 3. a waste residue collecting box; 4. a second handle; 5. a first handle; 6. a feed inlet; 7. a partition plate; 8. a discharge plate; 9. a driving motor; 10. a rotating rod; 11. a cam; 12. a cylinder; 13. coarse screening; 14. fine screening; 15. a second rotating shaft; 16. a first rotating shaft; 17. a support plate; 18. a rotating disc; 19. a rotating disc; 20. a cylinder; 21. a spin column; 22. a rotating plate; 23. a fixed block; 24. a slide block; 25. a return spring; 26. a support block; 27. a slide bar; 28. a fixing plate; 29. a baffle; 30. a hinge plate I; 31. a first hinge shaft; 32. a first driving arm; 33. a pushing block; 34. square blocks; 35. a second hinge plate; 36. a second hinge shaft; 37. and a second driving arm.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1 to 6, a screening apparatus for engineering plastics includes: the rotary screen comprises a shell 1, wherein a coarse screen 13 and a fine screen 14 are rotatably arranged on one side of the inside of the shell 1, a driving motor 9 is fixedly arranged on one side of the bottom of the inside of the shell 1, a rotary rod 10 is fixedly connected to the output end of the driving motor 9, a cam 11 is fixedly connected to the other side of the top of the rotary rod 10, a fixed block 23 is movably abutted to the top of the fixed block 23, a first driving arm 32 is hinged to the top of the first driving arm 32, a sliding rod 27 is fixedly arranged on the bottom of the push block 33, a second driving arm 37 is hinged to the top of the fine screen 14, the top of the second driving arm 37 is hinged to the bottom of the coarse screen 13, a rotary column 21 is fixedly arranged on the inner wall of the top of the shell 1, a rotary plate 22 is rotatably connected to a rotary plate 22, a rotary disc 19 is fixedly arranged on one side of the rotary plate 22, an arc plate hole is formed in the other side of the top of the rotary plate 22, a rotary plate 18 is fixedly arranged on the top of the rotary plate 10, a cylinder 20 is fixedly arranged on one side of the top of the rotary plate 18, a first hinge plate 30 is fixedly arranged on the top of the two side of the fixed block, a first hinge 31 is fixedly connected to the bottom of the second hinge plate 30, a first hinge shaft 31 is fixedly connected to the bottom of the second hinge plate 30, a first rotary plate 31 is fixedly connected to the bottom of the rectangular rotary plate 32, a second rotary plate 36 is fixedly connected to the first rotary plate 36 is fixedly connected to the other side of the rotary plate 36, a second rotary plate 36 is fixedly connected to the rotary plate 36, and a second rotary plate 36 is fixedly connected to the rotary shaft of the rotary plate 33 is fixedly connected to the rotary shaft of the second rotary plate 13.

In this embodiment, slide bar 27 one side sliding connection has fixed plate 28, fixed plate 28 one side fixed mounting has baffle 29, fixed plate 28 opposite side fixed mounting has slider 24, slider 24 outside sliding connection is in the inside of fixed block 23, baffle 29 bottom fixed mounting is on the inside diapire of casing 1, fixed block 23 one side fixed mounting has reset spring 25, reset spring 25 opposite side fixed mounting has supporting shoe 26, supporting shoe 26 bottom fixed mounting is in the top of fixed plate 28, fixed plate 28 one side top fixed mounting has cylinder 12, cylinder 12 output fixed mounting has square 34, square 34 movable butt is in the one side bottom of fine screen 14, it is more convenient to clear up engineering plastics defective goods through cylinder 12.

In this embodiment, the top of the housing 1 is fixedly provided with the feed inlet 6, the outlet of the feed inlet 6 is movably abutted to the top of the rotary disk 19, the inner wall of one side of the housing 1 is fixedly provided with the supporting plate 17, one side of the supporting plate 17 is rotatably connected to the outer side of the rotary rod 10, the inner wall of one side of the housing 1 is provided with the arc groove I and the arc groove II, one side of the fine screen 14 is rotatably connected to the arc groove I, one side of the top of the fine screen 14 is fixedly provided with the protection plate I, the other side of the fine screen 14 is rotatably connected with the rotary shaft I16, one side of the top of the coarse screen 13 is fixedly provided with the protection plate II, the other side of the coarse screen 13 is rotatably connected with the rotary shaft II 15, two sides of the rotary shaft II and the rotary shaft I16 are fixedly connected to the front inner wall and the rear inner wall of the housing 1, one side of the coarse screen 13 is rotatably connected to the arc groove II, and engineering plastic products are better screened through the coarse screen 13 and the fine screen 14.

In this embodiment, the activity of casing 1 bottom inner wall is pegged graft and is had product collecting box 2, product collecting box 2 outside fixed mounting has handle one 5, casing 1 one side fixed mounting has the protective housing, the activity of protective housing bottom is pegged graft and is had waste residue collecting box 3, waste residue collecting box 3 outside fixed mounting has handle two 4, the inside centre fixed mounting of waste residue collecting box 3 has baffle 7, two discharge gates have been seted up to casing 1 one side, and coarse screen 13 and fine screen 14 respectively movable butt are in the discharge gate that corresponds, casing 1 outside fixed mounting has discharge plate 8, discharge plate 8 one side sets up in the top of waste residue collecting box 3, the convenience is collected the defective products that produce.

The working principle of the utility model is as follows: firstly pouring engineering plastics into a feed port 6, starting a driving motor 9 to drive a rotating rod 10 to start rotating, driving a rotating rod 10 to drive a cam 11 to start rotating, driving a fixed block 23 to start moving by the cam 11, driving a push block 33 to start moving by a driving arm I32, then enabling the push block 33 to start circulating movement by a sliding rod 27 through a reset spring 25, driving a fine screen 14 to reciprocate by the driving arm I32, driving a coarse screen 13 to reciprocate by the fine screen 14 through a driving arm II 37, realizing primary screening of the engineering plastics, and carrying out secondary fine screening on the engineering plastics while reciprocating rotation of the fine screen 14, so that products meeting requirements fall into a product collecting box 2, driving a rotating disc 18 to start rotating simultaneously, driving a cylinder 20 to start rotating, driving a rotating plate 22 to start rotating by the rotating disc 18, driving the rotating plate 22 to start rotating by the rotating disc 19 to leave the feed port 6, and simultaneously limiting rotation of the rotating disc 19 by a rotating column 21 and an arc plate hole on the rotating plate 22;

When screening is completed, the driving motor 9 is closed, the feeding port 6 is not discharged any more, the air cylinder 12 is started again, the air cylinder 12 drives the square block 34 to push the fine screen 14 to turn clockwise, residual defective products fall into the waste residue collecting box 3 through the first discharging port, meanwhile, the fine screen 14 drives the coarse screen 13 to turn clockwise through the second driving arm 37, and residual defective products fall into the waste residue collecting box 3 through the discharging plate 8 outside the second discharging port.

The engineering plastic screening device provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (6)

1. The utility model provides a sieving mechanism of engineering plastics which characterized in that includes: the rotary screen comprises a shell (1), a coarse screen (13) and a fine screen (14) are rotatably arranged on one side of the inside of the shell (1), a driving motor (9) is fixedly arranged on one side of the bottom of the inside of the shell (1), a rotary rod (10) is fixedly connected to the output end of the driving motor (9), a cam (11) is fixedly connected to the outer side of the rotary rod (10), a fixed block (23) is movably abutted to one side of the cam (11), a driving arm (32) is hinged to the top of the fixed block (23), a pushing block (33) is hinged to the top of the driving arm (32), a sliding rod (27) is fixedly arranged at the bottom of the pushing block (33), a driving arm two (37) are hinged to the bottom of the coarse screen (13), a rotary column (21) is fixedly arranged on the inner wall of the top of the shell (1), a rotating plate (22) is rotatably connected to the bottom of the rotary column (21), a rotating plate (22) is fixedly arranged on one side of the rotary plate (22), a rotary plate (18) is fixedly arranged on the top of the rotary plate (18), a rotary plate hole (18) is fixedly arranged on the top of the rotary plate (18), the outer side of the cylinder (20) is movably abutted against the inner wall of the arc plate hole.

2. The engineering plastic screening device according to claim 1, wherein a fixed plate (28) is slidably connected to one side of the sliding rod (27), a baffle plate (29) is fixedly mounted on one side of the fixed plate (28), a sliding block (24) is fixedly mounted on the other side of the fixed plate (28), the outer side of the sliding block (24) is slidably connected to the inside of the fixed block (23), the bottom of the baffle plate (29) is fixedly mounted on the inner bottom wall of the shell (1), a return spring (25) is fixedly mounted on one side of the fixed block (23), a supporting block (26) is fixedly mounted on the other side of the return spring (25), a cylinder (12) is fixedly mounted on the top of one side of the fixed plate (28), a square block (34) is fixedly mounted at the output end of the cylinder (12), and the square block (34) is movably abutted to the bottom of one side of the fine screen (14).

3. The engineering plastic screening device according to claim 1, wherein an arc-shaped groove I and an arc-shaped groove II are formed in the inner wall of one side of the shell (1), one side of the fine screen (14) is rotationally connected in the arc-shaped groove I, a protection plate I is fixedly arranged on one side of the top of the fine screen (14), a rotation shaft I (16) is rotationally connected in the other side of the fine screen (14), a protection plate II is fixedly arranged on one side of the top of the coarse screen (13), a rotation shaft II (15) is rotationally connected in the other side of the coarse screen (13), two sides of the rotation shaft II (15) and the rotation shaft I (16) are fixedly connected to the front inner wall and the rear inner wall of the shell (1), and one side of the coarse screen (13) is rotationally connected in the arc-shaped groove II.

4. The engineering plastic screening device according to claim 1, wherein hinge plates I (30) are fixedly arranged on two sides of the top of the fixed block (23), hinge shafts I (31) are fixedly connected between the hinge plates I (30), driving arms I (32) are rotatably connected to the outer sides of the hinge shafts I (31), rotating shafts I are rotatably connected to the other sides of the driving arms I (32), rectangular blocks I are fixedly arranged on two sides of the rotating shafts I, pushing blocks (33) are fixedly arranged on one side of the rectangular blocks, a plurality of hinge plates II (35) are fixedly arranged on the top of the pushing blocks (33), hinge shafts II (36) are rotatably connected between the hinge plates II (35), driving arms II (37) are rotatably connected to the outer sides of the hinge shafts II (36), rotating shafts II are rotatably connected to the other sides of the driving arms II (37), rectangular blocks II are fixedly arranged on two sides of the rotating shafts, and the rectangular blocks II are fixedly arranged on the bottom of the coarse screen (13).

5. The engineering plastic screening device according to claim 1, wherein a feed inlet (6) is fixedly arranged at the top of the shell (1), an outlet of the feed inlet (6) is movably abutted to the top of the rotary disc (19), a supporting plate (17) is fixedly arranged on the inner wall of one side of the shell (1), and one side of the supporting plate (17) is internally connected to the outer side of the rotary rod (10) in a rotary mode.

6. The engineering plastic screening device according to claim 1, wherein a product collecting box (2) is movably inserted into the inner wall of the bottom of the shell (1), a first handle (5) is fixedly installed on the outer side of the product collecting box (2), a protective box is fixedly installed on one side of the shell (1), a waste residue collecting box (3) is movably inserted into the bottom of the protective box, a second handle (4) is fixedly installed on the outer side of the waste residue collecting box (3), a partition plate (7) is fixedly installed in the middle of the inner portion of the waste residue collecting box (3), two discharge holes are formed in one side of the shell (1), a coarse screen (13) and a fine screen (14) are respectively movably abutted to the corresponding discharge holes, a discharge plate (8) is fixedly installed on the outer side of the shell (1), and one side of the discharge plate (8) is arranged above the waste residue collecting box (3).