Plastic screening mechanism

Abstract

The utility model discloses a plastic screening mechanism which comprises a vibrating screen mechanism, a base, a stand column with the bottom end installed on the base and a screening box connected with the top end of the stand column, and a screen mesh is arranged in the screening box. The fixing support comprises a fixing arm with the bottom end connected with the surface of the base and a cross beam connected with the middle position of the bottom face of the top end of the fixing arm. The linear reciprocating motion mechanism comprises a sliding table air cylinder installed in the bottom of the cross beam, a moving plate connected with a moving sliding table arranged on the sliding table air cylinder, stabilizing plates distributed at the two ends of the moving plate, and adjusting plates connected with the stabilizing plates in a sliding mode; the linear screening machine is provided with a design for flattening and dispersing crowded materials, under driving of a sliding table air cylinder, a screening assembly moves in a reciprocating mode, a connecting rod flattens the materials stacked at high positions, a material distributing column distributes the crowded materials on a screen, the connecting rod and the material distributing column play a role in dispersing the gathered materials, and the materials are vibrated and thrown to fall on a material spreading net plate to be screened or roll down. And the effect of dispersing the materials can also be achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of screening devices, and in particular relates to a plastic screening mechanism. Background Art

[0002] In the plastic processing and manufacturing process, there is a step of screening granular plastic materials, the purpose of which is to screen out granular plastic materials that do not meet the standard size, and process them again to make them meet the standards. Generally, a screening machine is used to screen granular plastics, and one of the commonly used screening machines is a linear vibrating screen, which uses a vibration motor as a vibration source to make the material be thrown up on the screen and move forward in a straight line. The material enters the feed port of the screening machine from the feeder, and the screened material is discharged from the outlet;

[0003] When a linear screening mechanism is used to screen granular plastic materials, when a large amount of material is fed from the feed port, the material is crowded on the screen, and the crowded material is not completely flattened and dispersed, which is not conducive to fully screening the crowded material; when the linear screening machine is screening granular plastic materials, there is a problem of no design for flattening and dispersing the crowded material. For this reason, the present application proposes a plastic screening mechanism. Utility Model Content

[0004] The utility model aims to provide a plastic screening mechanism to solve the problem that the linear screening machine proposed in the above background technology has no design for flattening and dispersing crowded materials.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a plastic screening mechanism, comprising

[0006] The vibrating screen mechanism comprises a base, a column mounted on the base at the bottom end, and a screen box connected to the top end of the column, wherein a screen is arranged inside the screen box;

[0007] A fixed bracket, comprising a fixed arm whose bottom end is connected to the surface of the base, and a crossbeam connected to the middle position of the bottom surface of the top end of the fixed arm;

[0008] The linear reciprocating mechanism comprises a slide cylinder installed in the bottom of the crossbeam, a moving plate connected to the moving slide provided on the slide cylinder, stabilizing plates distributed at both ends of the moving plate, and an adjusting plate slidably connected to the stabilizing plate, a limiting rod is provided on the bottom end of the stabilizing plate, and a fixing assembly of the limit adjusting plate is provided on the outer side of the limiting rod;

[0009] The screening material assembly connected to the bottom end of the adjusting plate includes a material guide plate connected to the corresponding bottom end of the adjusting plate, connecting rods respectively connected to the material guide plates at both ends, a connecting rod connected to the connecting rod at one end, and a material spreading mesh plate connected to the other end of the connecting rod, wherein the connecting rod is provided with material dividing columns which are arranged side by side and evenly spaced.

[0010] Preferably, the fixing assembly includes a sliding ring sleeved on the outside of the limiting rod, a rotating ring sleeved on the outside of the sliding ring, a torsion spring with two ends respectively connected to the sliding ring and the rotating ring, and a flip plate with one end connected to the outer surface of the rotating ring.

[0011] Preferably, the limiting rod is an "L"-shaped structure, the outer surface of the limiting rod is provided with an inwardly concave sliding groove, and the inner surface of the sliding ring is provided with a limiting protrusion that cooperates with the sliding groove.

[0012] Preferably, the surfaces on the same side of the stabilizing plate and the adjusting plate are flush, a concave circular groove is provided on the surfaces on the same side of the stabilizing plate and the adjusting plate, and a semi-spherical positioning protrusion matching the circular groove is provided on the flip plate.

[0013] Preferably, the connecting rod is in an inclined state, the material spreading mesh plate is in an inclined state, and the angle between the material spreading mesh plate and the inclined screen is angle a.

[0014] Preferably, the surface of one end of the material distribution column away from the connecting rod is curved, and the distance between the material distribution column and the screen is 5 mm.

[0015] Preferably, the crossbeam is in an inclined state, and a rectangular groove for sliding of the adjusting plate is provided on the top surface of the screen box.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] In the utility model, the linear screening machine is designed to flatten and disperse crowded materials. Driven by the slide cylinder, the screening assembly moves back and forth, the connecting rod flattens the highly accumulated materials, and the dividing column diverts the crowded materials on the screen. The connecting rod and the dividing column disperse the gathered materials, and the vibration-thrown materials fall on the spreading mesh screen or roll down, which can also disperse the materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional structural schematic diagram of the crossbeam of the utility model;

[0020] Figure 3 It is a schematic diagram of the top view of the screening material assembly of the utility model;

[0021] Figure 4 For the utility model Figure 1 The schematic diagram of the cross-sectional structure of the connecting rod is enlarged in the middle B part;

[0022] Figure 5 For the utility model Figure 1 The enlarged structural diagram of the middle A part;

[0023] Figure 6 It is a schematic cross-sectional structural diagram of the rotating ring of the utility model;

[0024] In the figure: 4, screening assembly; 11, base; 12, column; 13, screen box; 14, screen; 21, fixed arm; 22, crossbeam; 31, movable plate; 32, stabilizing plate; 33, adjusting plate; 34, slide cylinder; 41, guide plate; 42, connecting rod; 43, material distribution column; 44, connecting rod; 45, material spreading mesh plate; 51, sliding ring; 52, rotating ring; 53, flip plate; 54, torsion spring; 321, limiting rod; 511, limiting protrusion; 531, positioning protrusion. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] See also Figures 1 to 6The utility model provides a technical solution: a plastic screening mechanism, including a vibrating screen mechanism, including a base 11, a column 12 installed on the base 11 at the bottom end, and a screen box 13 connected to the top of the column 12. A screen 14 is arranged inside the screen box 13. The screen box 13 uses a vibration motor as a vibration source to make the granular plastic material be thrown up on the screen 14 to achieve the effect of screening. The screening principle is a conventional technical means, and this application will not be described in detail; a fixed bracket, including a fixed arm 21 connected to the surface of the base 11 at the bottom end, and a crossbeam 22 connected to the middle position of the bottom surface of the top of the fixed arm 21. The fixed arm 21 The base 11 and the cross beam 22 are combined by conventional methods, and the fixed arm 21 and the cross beam 22 fix the suspended slide cylinder 34; the linear reciprocating mechanism includes a slide cylinder 34 installed in the bottom of the cross beam 22, a moving plate 31 connected to a moving slide provided on the slide cylinder 34, a stabilizing plate 32 distributed at both ends of the moving plate 31, and an adjusting plate 33 slidably connected to the stabilizing plate 32. When the slide cylinder 34 is running, the slide cylinder 34 drives the moving plate 31, the stabilizing plate 32 and the adjusting plate 33 to move, thereby changing the position of the screening material assembly 4. A limiting rod 321 is provided on the bottom end of the stabilizing plate 32, and the limiting rod 32 1 is combined with the stabilizing plate 32 by a conventional method, and a fixing assembly of the limit adjustment plate 33 is provided on the outer side of the limiting rod 321. The fixing assembly includes a sliding ring 51 sleeved on the outer side of the limiting rod 321, a rotating ring 52 sleeved on the outer side of the sliding ring 51, a torsion spring 54 connected to the sliding ring 51 and the rotating ring 52 at both ends, and a flip plate 53 connected to the outer surface of the rotating ring 52 at one end. The sliding ring 51 slides along the height direction of the limiting rod 321 to change the positions of the sliding ring 51, the rotating ring 52 and the flip plate 53. The positioning protrusion 531 on the flip plate 53 is embedded in the corresponding surface of the stabilizing plate 32 and the adjustment plate 33 to achieve To strengthen the stability of the stabilizing plate 32 and the adjusting plate 33, the height position of the adjusting plate 33 can be changed; the screening material assembly 4 connected to the bottom end of the adjusting plate 33 includes a material guide plate 41 connected to the corresponding bottom end of the adjusting plate 33, a connecting rod 42 connected to the material guide plate 41 at both ends, a connecting rod 44 connected to the connecting rod 42 at one end, and a material spreading mesh plate 45 connected to the other end of the connecting rod 44. The connecting rod 42 is provided with material dividing columns 43 which are arranged side by side and equidistantly distributed. The connecting rod 42 and the material dividing columns 43 play the role of spreading and dividing the material. The material spreading mesh plate 45 spreads the material, and at the same time, the vibrating material falls on the material spreading mesh plate 45, which can play the role of dispersing the material.

[0028] In this embodiment, the limiting rod 321 is an "L"-shaped structure, the outer surface of the limiting rod 321 is provided with an inwardly concave sliding groove, and the inner surface of the sliding ring 51 is provided with a limiting protrusion 511 that cooperates with the sliding groove. The limiting protrusion 511 is limited by the limiting rod 321, so that the vertically lifted sliding ring 51 does not deflect.

[0029] In this embodiment, the surfaces on the same side of the stabilizing plate 32 and the adjusting plate 33 are flush, and a concave circular groove is provided on the surface on the same side of the stabilizing plate 32 and the adjusting plate 33. A semi-spherical positioning protrusion 531 that cooperates with the circular groove is provided on the flip plate 53. The positioning protrusion 531 is embedded in the corresponding surfaces of the stabilizing plate 32 and the adjusting plate 33 to ensure the firmness of the stabilizing plate 32 and the adjusting plate 33.

[0030] In this embodiment, the connecting rod 44 is in an inclined state, the material spreading mesh plate 45 is in an inclined state, the angle between the material spreading mesh plate 45 and the inclined screen 14 is angle a, the material spreading mesh plate 45 spreads the material, and at the same time, the vibrating and flying materials fall on the material spreading mesh plate 45, which can play a role in dispersing the material. The range of angle a is between 10 and 45 degrees.

[0031] In this embodiment, the surface of one end of the material distribution column 43 away from the connecting rod 42 is curved, and the distance between the material distribution column 43 and the screen 14 is 5 mm. The connecting rod 42 and the material distribution column 43 play the role of spreading and distributing the materials.

[0032] In this embodiment, the crossbeam 22 is in an inclined state, and a rectangular groove for the adjustment plate 33 to slide is provided on the top surface of the screen box 13, which does not affect the movement of the adjustment plate 33.

[0033] The working principle and use process of this utility model:

[0034] The slide cylinder 34 drives the moving plate 31, the stabilizing plate 32 and the adjusting plate 33 to move, thereby changing the position of the screening assembly 4;

[0035] The connecting rod 42 flattens the high-pile materials, and the material distribution column 43 diverts the crowded materials on the screen 14. The connecting rod 42 and the material distribution column 43 play the role of dispersing the gathered materials. The material spreading mesh plate 45 flattens the materials, and the vibrating flying materials fall on the material spreading mesh plate 45. The inclined material spreading mesh plate 45 is a mesh structure, which can also play the role of dispersing the materials.

[0036] The flip plate 53 is rotated, and the torsion spring 54 is in a contracted state, and the adjustment plate 33 can be vertically lifted to a suitable position. The flip plate 53 is released, and under the elastic force of the torsion spring 54, the flip plate 53 is matched with the surface of the adjustment plate 33 and the stabilizing plate 32, and the positioning protrusion 531 is embedded in the surface of the adjustment plate 33 and the stabilizing plate 32;

[0037] To sum up: the linear screening machine is designed to flatten and disperse crowded materials. Driven by the slide cylinder 34, the screening assembly 4 moves back and forth, the connecting rod 42 flattens the higher piled materials, and the dividing column 43 diverts the crowded materials on the screen 14. The connecting rod 42 and the dividing column 43 disperse the gathered materials, and the vibration-thrown materials fall on the spreading mesh plate 45 or roll down, which can also play a role in dispersing the materials.

[0038] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plastic screening mechanism, characterized in that: include A vibrating screen mechanism comprises a base (11), a column (12) whose bottom end is mounted on the base (11), and a screen box (13) connected to the top end of the column (12), wherein a screen mesh (14) is provided inside the screen box (13); A fixed bracket, comprising a fixed arm (21) whose bottom end is connected to the surface of the base (11), and a crossbeam (22) connected to the middle position of the bottom surface of the top end of the fixed arm (21); A linear reciprocating mechanism comprises a slide cylinder (34) installed in the bottom of a crossbeam (22), a moving plate (31) connected to a moving slide provided on the slide cylinder (34), stabilizing plates (32) distributed at both ends of the moving plate (31), and an adjusting plate (33) slidably connected to the stabilizing plate (32), wherein a limiting rod (321) is provided at the bottom end of the stabilizing plate (32), and a fixing component of the limiting adjusting plate (33) is provided on the outer side of the limiting rod (321); The screening material assembly (4) connected to the bottom end of the adjustment plate (33) comprises a material guide plate (41) connected to the bottom end of the corresponding adjustment plate (33), a connecting rod (42) connected to the material guide plate (41) at both ends, a connecting rod (44) connected to the connecting rod (42) at one end, and a material spreading mesh plate (45) connected to the other end of the connecting rod (44), wherein the connecting rod (42) is provided with material distribution columns (43) arranged side by side and distributed equidistantly.

2. A plastic screening mechanism according to claim 1, characterized in that: The fixing assembly comprises a sliding ring (51) sleeved on the outside of the limiting rod (321), a rotating ring (52) sleeved on the outside of the sliding ring (51), a torsion spring (54) with two ends respectively connected to the sliding ring (51) and the rotating ring (52), and a flip plate (53) with one end connected to the outer surface of the rotating ring (52).

3. A plastic screening mechanism according to claim 2, characterized in that: The limiting rod (321) is an "L"-shaped structure, the outer surface of the limiting rod (321) is provided with an inwardly concave sliding groove, and the inner surface of the sliding ring (51) is provided with a limiting protrusion (511) that cooperates with the sliding groove.

4. A plastic screening mechanism according to claim 3, characterized in that: The surfaces on the same side of the stabilizing plate (32) and the adjusting plate (33) are flush, and the surfaces on the same side of the stabilizing plate (32) and the adjusting plate (33) are provided with a concave circular groove, and the flip plate (53) is provided with a semi-spherical positioning protrusion (531) that matches the circular groove.

5. A plastic screening mechanism according to claim 1, characterized in that: The connecting rod (44) is in an inclined state, the material spreading mesh plate (45) is in an inclined state, and the angle between the material spreading mesh plate (45) and the inclined screen (14) is an included angle a.

6. A plastic screening mechanism according to claim 1, characterized in that: The surface of one end of the material distribution column (43) away from the connecting rod (42) is in a curved shape, and the distance between the material distribution column (43) and the screen (14) is 5 mm.

7. A plastic screening mechanism according to claim 1, characterized in that: The crossbeam (22) is in an inclined state, and the top surface of the screen box (13) is provided with a rectangular groove for the adjustment plate (33) to slide.

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