Anti-erosion plastic raw material screening equipment

Abstract

The utility model discloses anti-erosion plastic raw material screening equipment which comprises a screening box, an arc-shaped screen arranged in the screening box, a material stirring assembly arranged in the screening box and located above the arc-shaped screen and a servo motor providing power for the material stirring assembly. The material stirring assembly comprises a mounting cross beam clamped in the screening box and a material stirring rake arranged at the bottom end of the mounting cross beam; limiting seats which are in sliding clamping connection with the screening box are arranged at the two ends of the mounting cross beam correspondingly, first connecting rods which penetrate through the screening box and are in sliding clamping connection with the screening box are connected to the limiting seats, and the servo motor is connected with the first connecting rods; the anti-erosion plastic raw material screening device is reasonable in structural design, anti-erosion plastic raw materials can be separated according to different particle sizes by arranging a plurality of arc-shaped screens with different mesh diameters in the screening box side by side up and down, so that the uniformity and the stability of products are improved, the anti-erosion plastic raw materials can meet different application scenes, the market competitiveness is improved, and the anti-erosion plastic raw material screening device is worthy of popularization and application. The method is suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to a screening equipment technical field, concretely relates to an anti-erosion plastic raw material screening equipment. BACKGROUND

[0002] Anti-erosion plastic is a kind of material with high strength, good wear resistance and good corrosion resistance, mainly used in the environment needing to resist chemical erosion and wear, the preparation method of the material usually includes mixing aggregate, silicon carbide powder, chromium oxide powder, silicon powder, binder and additive according to certain proportion, and the material is made into by initial mixing, mixing and drying etc., since the size of plastic material is different, plastic needs to be screened, and the particles of plastic can be accumulated on the filter plate during screening, so that the plastic of different sizes is accumulated on the filter plate, which affects the filtering and screening effect of filter plate.

[0003] The anti-erosion plastic raw material screening equipment in the prior art can not screen the plastic particles accumulated on the screen during use, and the plastic accumulated on the filter plate can affect the filtering and screening effect of the screen, and the existing equipment mostly uses a single-aperture screen, since the particle size of the plastic raw material is different, the single-size screening hole can not screen the plastic raw material of different particle sizes, and the uniformity of the screened plastic is poor. UTILITY MODEL CONTENTS

[0004] In view of the above technical problems, the utility model provides an anti-erosion plastic raw material screening equipment.

[0005] The technical scheme of the utility model is as follows: an anti-erosion plastic raw material screening equipment, which comprises a screening box, an arc-shaped screen arranged in the interior of the screening box, a material stirring assembly movably arranged in the interior of the screening box and located above the arc-shaped screen, and a servo motor arranged on the outer side wall of the screening box and providing power for the material stirring assembly; a feeding pipe is arranged at the top end of the screening box; a material guide table is arranged at the bottom of the interior of the screening box; a first discharging groove is arranged at the lower end of the outer side wall of the screening box and corresponds to the position of the material guide table; and a movable cover is arranged on the outer side wall of the screening box and corresponds to the position of the arc-shaped screen.

[0006] The material stirring assembly comprises a mounting beam slidably connected to the interior of the screening box and a material stirring rake arranged at the bottom end of the mounting beam; the two ends of the mounting beam are provided with limiting seats slidably connected to the inner wall of the screening box, and one of the limiting seats is connected with a first connecting rod penetrating through the screening box and slidably connected to the screening box.

[0007] Further, the servo motor is arranged on the outer side wall of the screening box through the rack, and the output end of the servo motor is connected with a swing rocker arm; a first push rod is rotatably connected to the swing rocker arm, and the end of the first push rod away from the swing rocker arm is movably hinged with a docking seat which is slidably connected to the screening box through a guide rod; the docking seat is movably hinged with a second push rod which is movably hinged with a first connecting rod;

[0008] Description: During the operation of the servo motor, the swing rocker arm is driven to rotate, and the first push rod, the docking seat and the second push rod are cooperated to drive the mounting beam and the raking rake to move on the end face of the arc-shaped screen mesh, so that the anti-erosion plastic raw material on the end face of the arc-shaped screen mesh is raked to pass through the mesh hole of the arc-shaped screen mesh for screening.

[0009] Further, a plurality of arc-shaped screen meshes are arranged, each arc-shaped screen mesh is equidistantly distributed in the screening box from top to bottom, and the mesh hole diameter of each arc-shaped screen mesh decreases from top to bottom; the bottom end of each arc-shaped screen mesh is provided with a screen mesh support connected with the inner wall of the screening box; the number of the raking assembly and the second push rod corresponds to the number of the arc-shaped screen mesh;

[0010] Description: By arranging a plurality of arc-shaped screen meshes, the anti-erosion plastic raw material can be separated according to different particle sizes, so that the uniformity and stability of the product are improved, the product can meet different application scenarios, and the market competitiveness is improved.

[0011] Further, one end of the screen mesh support is rotatably connected with the inner wall of the screening box, and the other side outer wall is provided with a second connecting rod penetrating through the screening box and slidably connected with the screening box; the second connecting rod is threadedly connected with a locking nut capable of being connected with the outer wall of the screening box; the second discharge slot is arranged on the outer wall of the screening box and corresponds to the position of each movable cover;

[0012] Description: During use, the movable cover is opened, the locking nut is loosened, and the screen mesh support is rotated along the hinge point between the screen mesh support and the inner wall of the screening box, so that the anti-erosion plastic raw material blocked on the end face of the arc-shaped screen mesh can be discharged through the corresponding second discharge slot, and the collection and transfer convenience of the anti-erosion plastic raw material are improved.

[0013] Further, the raking rake is slidably connected with the mounting beam, and the mounting beam is internally provided with a damping spring abutting against the raking rake;

[0014] Description: The raking rake is always close to the end face of the arc-shaped screen mesh under the action of the damping spring, so that the anti-erosion plastic raw material is prevented from being accumulated on the end face of the arc-shaped screen mesh to cause blockage.

[0015] The working principle of the utility model is as follows:

[0016] In use, the anti-erosion plastic raw materials are introduced into the screening box through the feeding pipe, the anti-erosion plastic first falls onto the uppermost arc-shaped screen in the screening box, the servo motor drives the swing arm to rotate, the first push rod, the butt joint seat and the second push rod cooperatively drive each mounting beam and the raking rake to move on the upper end face of the corresponding arc-shaped screen, the anti-erosion plastic raw materials on the upper end face of the arc-shaped screen are raked to make the anti-erosion plastic raw materials pass through each arc-shaped screen in turn, the anti-erosion plastic raw materials screened through the lowermost arc-shaped screen in the screening box are discharged through the first discharge slot under the action of the guide table, then the movable cover is opened, the locking nuts are loosened, each screen support is rotated along the hinge joint point with the inner wall of the screening box, and the anti-erosion plastic blocked on the upper end face of each arc-shaped screen is discharged through the corresponding second discharge slot.

[0017] Compared with the prior art, the anti-erosion plastic raw materials are introduced into the screening box through the feeding pipe, the anti-erosion plastic first falls onto the uppermost arc-shaped screen in the screening box, the servo motor drives the swing arm to rotate, the first push rod, the butt joint seat and the second push rod cooperatively drive each mounting beam and the raking rake to move on the upper end face of the corresponding arc-shaped screen, the anti-erosion plastic raw materials on the upper end face of the arc-shaped screen are raked to make the anti-erosion plastic raw materials pass through each arc-shaped screen in turn, the anti-erosion plastic raw materials screened through the lowermost arc-shaped screen in the screening box are discharged through the first discharge slot under the action of the guide table, then the movable cover is opened, the locking nuts are loosened, each screen support is rotated along the hinge joint point with the inner wall of the screening box, and the anti-erosion plastic blocked on the upper end face of each arc-shaped screen is discharged through the corresponding second discharge slot.

[0018] Firstly, the structure design of the utility model is reasonable, a plurality of arc-shaped screens with different mesh diameters are arranged in parallel in the screening box, the anti-erosion plastic raw materials can be separated according to different particle sizes, thereby improving the uniformity and stability of the product, the product can meet different application scenarios, and the market competitiveness is improved.

[0019] Secondly, the raking assembly is arranged above each arc-shaped screen in the screening box, each raking assembly is reciprocated above the corresponding arc-shaped screen by the servo motor, the anti-erosion plastic raw materials can quickly pass through the mesh of the arc-shaped screen for screening, the production efficiency is improved, and the accumulation of the anti-erosion plastic raw materials can be avoided to cause the arc-shaped screen to be blocked.

[0020] Thirdly, one servo motor can drive three raking assemblies to operate synchronously, the operation energy consumption of the equipment is effectively reduced, and the cost input during the screening of the anti-erosion plastic raw materials is saved. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 is the longitudinal sectional view of the utility model

[0022] Figure 2 is the distribution diagram of the arc-shaped screen in the screening box of the utility model

[0023] Figure 3 is the front view of the utility model

[0024] Figure 4 is the left view of the utility model

[0025] Figure 5 is the connection schematic view of the screen support and the screening box of the utility model

[0026] Figure 6 is the structural schematic diagram of the stirring assembly of the utility model;

[0027] Figure 7 is the connection schematic diagram of the servo motor and the stirring assembly of the utility model;

[0028] Among them, 1-screening box, 10-feeding pipe, 11-lead material table, 12-first discharge groove, 13-movable cover, 14-second discharge groove, 2-arc-shaped screen, 20-screen support, 21-second connecting rod, 3-stirring assembly, 30-installation crossbeam, 300-damping spring, 31-stirring rake, 32-limiting seat, 320-first connecting rod, 4-servo motor, 40-rack, 41-swinging rocker arm, 42-first push rod, 43-butting seat, 430-guide rod, 44-second push rod. DETAILED DESCRIPTION

[0029] Example 1

[0030] As Figure 1 , 2 shown, an anti-erosion plastic raw material screening equipment, including screening box 1, 1 is arranged in the arc-shaped screen 2 in the screening box 1 inside, the movable cover 13 is arranged in the movable stirring assembly 3 which is arranged in the screening box 1 inside and located above the arc-shaped screen 2 and the servo motor 4 which is arranged on the outer side wall of the screening box 1 and provides power for the stirring assembly 3;Screening box 1 top is provided with feeding pipe 10;The bottom of the screening box 1 is inclinedly provided with a guide table 11, and the first discharge groove 12 is arranged on the lower end of the outer side wall of the screening box 1 and corresponds to the position of the guide table 11;The outer side wall of the screening box 1 and the arc-shaped screen 2 are provided with movable covers 13;

[0031] As Figure 1 , 6 shown, the stirring assembly 3 includes the installation crossbeam 30 which is slidingly connected in the screening box 1 and the stirring rake 31 which is arranged at the bottom end of the installation crossbeam 30;The two ends of the installation crossbeam 30 are provided with limiting seats 32 which are slidingly connected with the inner wall of the screening box 1 respectively, and one of the limiting seats 32 is connected with the first connecting rod 320 which penetrates the screening box 1 and is slidingly connected with the screening box 1;

[0032] As Figure 1 , 3 , 7 shown, the servo motor 4 is arranged on the outer side wall of the screening box 1 through the rack 40, and the output end of the servo motor 4 is connected with the swinging rocker arm 41;The first push rod 42 is rotatably connected with the swinging rocker arm 41, and the end of the first push rod 42 away from the swinging rocker arm 41 is movably hinged with the butting seat 43 which is slidingly connected with the screening box 1 through the guide rod 430;The second push rod 44 is movably hinged with the first connecting rod 320 on the butting seat 43.

[0033] Embodiment 2

[0034] The difference between this embodiment and embodiment 1 is that:

[0035] As shown in Figure 1 , three arc-shaped screens 2 are arranged inside the screening box 1 at equal intervals from top to bottom, and the mesh diameters of the arc-shaped screens 2 from top to bottom are 2 mm, 1.2 mm and 0.7 mm in sequence; the bottom end of each arc-shaped screen 2 is provided with a screen support 20 connected with the inner wall of the screening box 1; the number of the material stirring assembly 3 and the second pushing rod 44 corresponds to the number of the arc-shaped screens 2.

[0036] By arranging three arc-shaped screens 2, the anti-erosion plastic raw materials can be separated according to different particle sizes.

[0037] Embodiment 3

[0038] The difference between this embodiment and embodiment 2 is that:

[0039] As shown in Figure 2 , 4 , one end of the screen support 20 is rotationally connected with the inner wall of the screening box 1, and the other side outer wall is provided with a second connecting rod 21 penetrating through the screening box 1 and slidingly connected with the screening box 1; the second connecting rod 21 is threadedly connected with a locking nut capable of being connected with the outer wall of the screening box 1; the outer wall of the screening box 1 and the position corresponding to each movable cover 13 are provided with a second discharge slot 14;

[0040] In use, the movable cover 13 is opened, and the locking nut is loosened, so that the screen support 20 rotates along the hinge point of the screen support 20 and the inner wall of the screening box 1, so that the anti-erosion plastic blocked on the upper end surface of the arc-shaped screen 2 can be discharged through the corresponding second discharge slot 14.

[0041] Embodiment 4

[0042] The difference between this embodiment and embodiment 3 is that:

[0043] As shown in Figure 6 , the material stirring rake 31 is slidingly connected with the mounting beam 30, and the mounting beam 30 is internally provided with a damping spring 300 abutting against the material stirring rake 31;

[0044] The material stirring rake 31 is always close to the upper end surface of the arc-shaped screen 2 under the action of the damping spring 300, so that the anti-erosion plastic accumulated on the upper end surface of the arc-shaped screen 2 can be prevented from causing blockage.

[0045] It should be noted that the servo motor 4 used in the utility model adopts the prior art, which is not specially limited here, and the corresponding product can be selected according to actual needs.

Claims

1. A screening device for corrosion-resistant plastic raw materials, characterized in that, The utility model provides a screening box (1), arc screen (2) is arranged inside the screening box (1), movablely arranged in the screening box (1) inside and located arc screen (2) above the shoveling subassembly (3) and servo motor (4) are provided on the lateral wall of screening box (1) and provide power for shoveling subassembly (3), the top of screening box (1) is provided with feeding pipe (10), the bottom of screening box (1) is provided with guide table (11) and is inclined, the first discharge groove (12) is provided on the lower end of the lateral wall of screening box (1) and with the position corresponding of guide table (11), the lateral wall of screening box (1) and with the position corresponding of arc screen (2) are all provided with movable cover (13), The shoveling subassembly (3) includes a mounting beam (30) that is slidingly connected inside the screening box (1) and a shoveling rake (31) that is arranged at the bottom end of the mounting beam (30). The mounting beam (30) is provided with a limiting seat (32) at each end, which is slidingly connected with the inner wall of the screening box (1). One of the limiting seats (32) is connected with a first connecting rod (320) that penetrates the screening box (1) and is slidingly connected with the screening box (1).

2. The apparatus of claim 1, wherein the apparatus is configured to be used with a plastic material that is resistant to attack by an etchant. The servo motor (4) is arranged on the lateral wall of the screening box (1) through a rack (40), and the output end of the servo motor (4) is connected with a swing rocker arm (41). The swing rocker arm (41) is rotatably connected with a first push rod (42), and the end of the first push rod (42) away from the swing rocker arm (41) is movably hinged with a docking seat (43) that is slidingly connected with the screening box (1) through a guide rod (430). The docking seat (43) is movably hinged with a second push rod (44) that is movably hinged with the first connecting rod (320).

3. The apparatus of claim 2, wherein the apparatus is configured to be used with a plastic material that is resistant to attack by the etchant. The arc screen (2) is provided with a plurality of arc screens (2), each arc screen (2) is equally distributed from top to bottom inside the screening box (1), and the mesh diameter of each arc screen (2) decreases from top to bottom. The bottom end of each arc screen (2) is provided with a screen support (20) connected with the inner wall of the screening box (1). The number of the shoveling subassembly (3) and the second push rod (44) corresponds to the number of the arc screen (2). ​ 4. The apparatus of claim 3, wherein the apparatus is configured to determine the presence of the plastic material by detecting a change in the electrical property of the material. One end of the screen support (20) is rotatably connected with the inner wall of the screening box (1), and the other side of the outer wall is provided with a second connecting rod (21) that penetrates the screening box (1) and is slidingly connected with the screening box (1). The second connecting rod (21) is threadedly connected with a locking nut that can be connected with the outer wall of the screening box (1). The second discharge groove (14) is provided on the lateral wall of the screening box (1) and corresponds to each movable cover (13).

5. The corrosion-resistant plastic raw material screening equipment according to claim 1, characterized in that, The shoveling rake (31) is slidingly connected with the mounting beam (30), and the mounting beam (30) is provided with a damping spring (300) that abuts against the shoveling rake (31).

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