Screening equipment

Abstract

The utility model relates to the technical field of screening equipment, in particular to screening equipment which comprises a bottom plate. A plurality of reset assemblies are arranged between the separation box and the bottom plate, a filter plate which is obliquely arranged is arranged in the separation box, and a feeding opening is formed in one end of the top of the separation box; a first support for fixing the discharging tank and the bottom plate is arranged between the discharging tank and the bottom plate, a discharging hopper communicated with the discharging tank is arranged at the bottom of the discharging tank, the bottom end of the discharging hopper extends into the feeding port, a sliding port is formed in one side of the discharging hopper, and a gate is arranged in the sliding port in a sliding mode; and the gate moves along the sliding opening through the driving assembly, and the separation box vibrates through the driving assembly. According to the master batch screening device, quantitative discharging can be achieved, the situation that many qualified master batches are screened out due to the fact that one-time discharging is too large is avoided, and therefore the screening efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to a screening equipment. Background Art

[0002] Polypropylene pellets will form adhesion due to insufficient cooling during pelletizing. When melted at high temperature, the adhered polypropylene pellets cannot be completely melted, resulting in defective non-woven fabric products. Therefore, it is necessary to screen the polypropylene pellets.

[0003] After searching, the Chinese utility model with announcement number CN212636256U discloses a biodegradable plastic masterbatch screening equipment, including a box body, with operating panels fixedly installed on the top of both sides of the box body, a first rotating roller rotatably connected between the two operating panels, and the two ends of the first rotating roller respectively pass through the box body and the operating panel and are fixedly connected to the rotating rod arranged outside the operating panel, and a first motor is fixedly installed on one side of one of the operating panels through a connecting plate. The beneficial effect of the utility model is: the two rotating rods are driven to rotate by the first motor in cooperation with the first rotating roller, and at the same time, the swing rod is swung by the mutual cooperation between the slider, spring and hinge and the swing rod, and at the same time, the slider is driven to move repeatedly in the slide groove, and the corresponding spring is repeatedly contracted and stretched, thereby driving the two support plates to move repeatedly, thereby driving the screening plate to vibrate, and then screening the material, so that the material screening is more uniform.

[0004] The above device performs screening by vibration. If too much material is fed, many qualified masterbatches will be screened out, while some unqualified masterbatches will be left behind, which causes waste and the quality cannot be guaranteed. Utility Model Content

[0005] Based on the deficiencies in the prior art mentioned in the above background technology, the utility model provides a screening device.

[0006] The utility model overcomes the above technical problems by adopting the following technical solutions, specifically:

[0007] A screening device comprising:

[0008] Base plate;

[0009] A separation box, wherein a plurality of reset components are arranged between the separation box and the bottom plate, an inclined filter plate is arranged inside the separation box, and a feed port is opened at one end of the top of the separation box;

[0010] A material discharge tank, wherein a first bracket is provided between the material discharge tank and the bottom plate to fix the two, a material discharge hopper connected to the material discharge tank is provided at the bottom of the material discharge tank, the bottom end of the material discharge hopper extends into the feed port, a sliding opening is provided on one side of the material discharge hopper, and a gate is provided inside the sliding opening for sliding;

[0011] A driving assembly is provided, wherein the gate moves along the slide port through the driving assembly, and the separation box vibrates through the driving assembly.

[0012] As a further solution of the utility model: the reset assembly includes a positioning column, a sleeve and a reset spring, one end of the positioning column is fixed to the base plate, the sleeve is entirely sleeved on the positioning column, one end of the sleeve is fixed to the top of the separation box, the reset spring is entirely sleeved on the positioning column, and both ends of the reset spring are in contact with the sleeve and the base plate respectively.

[0013] As a further solution of the utility model: the driving assembly includes a second bracket, a servo motor, a cam, a bracket rod and a pulley, the second bracket and the base plate, the housing of the servo motor is fixed on the second bracket, the output shaft of the servo motor is fixed to the cam, one end of the bracket rod is fixed to the separation box, the axle of the pulley is rotatably installed on the bracket rod, and the cam is in contact with the pulley.

[0014] As a further solution of the utility model: the driving assembly also includes a first transmission wheel, a second transmission wheel, a connecting rod and a sliding rod, the output shaft of the servo motor is coaxially fixed with the first transmission wheel, the axle of the second transmission wheel is rotatably mounted on the second bracket, the first transmission wheel and the second transmission wheel are jointly sleeved on a transmission belt, one end of the sliding rod is fixed to the gate, one end of the connecting rod is rotatably mounted on the sliding rod, and the other end of the connecting rod is rotatably mounted on the edge of the second transmission wheel.

[0015] As a further solution of the utility model: a feeding pipe is arranged at the bottom of the separation box.

[0016] As a further solution of the utility model: a central cover is arranged between the feeding pipe and the separation box to connect the two.

[0017] As a further solution of the utility model: a fixing frame is fixed on the outer side of the discharge tank, a sliding hole is opened on the outer side of the fixing frame, and the sliding rod is integrally slidably arranged in the sliding hole.

[0018] After adopting the above structure, the utility model has the following advantages compared with the prior art:

[0019] It can realize quantitative feeding and prevent the situation where too much material is fed at one time, resulting in many qualified masterbatches being screened out. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the utility model.

[0021] Figure 2 for Figure 1 A is an enlarged structural diagram of FIG.

[0022] Figure 3 It is a cross-sectional structural schematic diagram of the utility model.

[0023] Figure 4 This is a schematic diagram of the structure of the drive assembly of the utility model.

[0024] In the figure: 1. bottom plate; 2. first bracket; 3. second bracket; 4. positioning column; 5. reset spring; 6. sleeve; 7. separation box; 8. discharge tank; 9. reset assembly; 10. drive assembly; 11. fixed frame; 12. gate; 13. sliding rod; 14. filter plate; 15. focusing cover; 16. discharge pipe; 17. bracket rod; 18. cam; 19. first transmission wheel; 20. servo motor; 21. transmission belt; 22. second transmission wheel; 23. connecting rod; 24. pulley. 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] See also Figures 1 to 4 In an embodiment of the utility model, a screening device comprises:

[0027] Place the base plate 1 on the ground;

[0028] Separation box 7, a plurality of reset components 9 are arranged between separation box 7 and bottom plate 1, and Figure 4 , the interior of the separation box 7 is provided with an inclined filter plate 14, the filter plate 14 is made of metal, and a plurality of small holes are provided on the plate surface of the filter plate 14, and the qualified masterbatch will pass through the small holes, and a feed port is provided at one end of the top of the separation box 7, and the raw materials enter the separation box 7 through the feed port;

[0029] A feed tank 8 for placing raw materials, a first bracket 2 is provided between the feed tank 8 and the bottom plate 1 to fix the two, a feed hopper connected to the feed tank 8 is provided at the bottom, the raw materials enter the separation phase through the feed hopper, the bottom end of the feed hopper extends to the feed inlet, a sliding opening is provided on one side of the feed hopper, and a gate 12 is provided inside the sliding opening for sliding;

[0030] The drive assembly 10, the gate 12 moves along the slide through the drive assembly 10, the drive assembly 10 opens and closes the gate 12 at a fixed time, thereby controlling the material discharge amount, the separation box 7 is vibrated through the drive assembly 10, and the separation box 7 drives the filter plate 14 to vibrate together.

[0031] Specifically, the reset assembly 9 includes a positioning column 4, a sleeve 6 and a reset spring 5. One end of the positioning column 4 is fixed to the base plate 1, the sleeve 6 is entirely sleeved on the positioning column 4, one end of the sleeve 6 is fixed to the top of the separation box 7, the reset spring 5 is entirely sleeved on the positioning column 4, and both ends of the reset spring 5 are in contact with the sleeve 6 and the base plate 1 respectively. The separation box 7 moves up and down linearly through the sleeve 6 and the positioning column 4, and the reset spring 5 is used for buffering.

[0032] Specifically, the driving assembly 10 includes a second bracket 3, a servo motor 20, a cam 18, a bracket rod and a pulley. The second bracket 3 and the base plate 1, the housing of the servo motor 20 are fixed on the second bracket 3, the output shaft of the servo motor 20 is fixed to the cam 18, one end of the bracket rod is fixed to the separation box 7, the axle of the pulley is rotatably installed on the bracket rod, the cam 18 is in contact with the pulley, the servo motor 20 rotates the cam 18 through the output shaft, the cam 18 reciprocates to push the pulley, and the pulley vibrates reciprocatingly up and down through the bracket rod separation box 7.

[0033] Specifically, the drive assembly 10 also includes a first transmission wheel 19, a second transmission wheel 22, a connecting rod 23 and a sliding rod 13. The output shaft of the servo motor 20 is coaxially fixed with the first transmission wheel 19, and the wheel axle of the second transmission wheel 22 is rotatably mounted on the second bracket 3. The first transmission wheel 19 and the second transmission wheel 22 are jointly sleeved on a transmission belt 21. One end of the sliding rod 13 is fixed on the gate 12, one end of the connecting rod 23 is rotatably mounted on the sliding rod, and the other end of the connecting rod 23 is rotatably mounted on the edge of the second transmission wheel 22. The first transmission wheel 19 rotates with the output shaft of the servo motor 20, and the first transmission wheel 19 and the second transmission wheel 22 rotate synchronously through the transmission belt 21, and the second transmission wheel 22 pulls the gate 12 through the connecting rod 23.

[0034] Specifically, a feeding pipe 16 for feeding is provided at the bottom of the separation box 7 .

[0035] Specifically, a centralizing cover 15 is provided between the feed pipe 16 and the separation box 7 to connect the two. The centralizing cover 15 is used to centrally collect and export qualified master batches.

[0036] Specifically, a fixing frame 11 is fixed to the outside of the discharge tank 8, a sliding hole is opened on the outside of the fixing frame 11, and the sliding rod 13 is integrally slidably arranged in the sliding hole. The sliding rod 13 moves linearly along the sliding hole of the fixing frame 11 to improve the stability of the movement.

[0037] Working principle: the masterbatch is placed in the discharge tank 8, the servo motor 20 rotates the cam 18 through the output shaft, the cam 18 reciprocates to push the pulley, the pulley vibrates up and down through the bracket rod separation box 7, the first transmission wheel 19 rotates with the output shaft of the servo motor 20, the first transmission wheel 19 and the second transmission wheel 22 rotate synchronously through the transmission belt 21, and the second transmission wheel 22 pulls the gate 12 through the connecting rod 23, so that the separation box 7 vibrates multiple times, so that the discharge tank 8 only discharges once, which can realize quantitative discharge and prevent the one-time discharge from being too large, resulting in many qualified masterbatch being screened out.

[0038] It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention.

Claims

1. A screening device, characterized in that: include: Bottom plate (1); A separation box (7), wherein a plurality of reset components (9) are arranged between the separation box (7) and the bottom plate (1), an inclined filter plate (14) is arranged inside the separation box (7), and a feed port is provided at one end of the top of the separation box (7); A material discharge tank (8), wherein a first bracket (2) is provided between the material discharge tank (8) and the bottom plate (1) to fix the two together, a material discharge hopper connected to the material discharge tank (8) is provided at the bottom, the bottom end of the material discharge hopper extends into the feed port, a sliding opening is provided on one side of the material discharge hopper, and a gate (12) is slidably provided inside the sliding opening; A driving assembly (10), the gate (12) moves along the slide opening through the driving assembly (10), and the separation box (7) vibrates through the driving assembly (10).

2. A screening device according to claim 1, characterized in that: The reset assembly (9) comprises a positioning column (4), a sleeve (6) and a reset spring (5); one end of the positioning column (4) is fixed to the bottom plate (1); the sleeve (6) is entirely sleeved on the positioning column (4); one end of the sleeve (6) is fixed to the top of the separation box (7); the reset spring (5) is entirely sleeved on the positioning column (4); and the two ends of the reset spring (5) are in contact with the sleeve (6) and the bottom plate (1) respectively.

3. A screening device according to claim 1, characterized in that: The driving assembly (10) comprises a second bracket (3), a servo motor (20), a cam (18), a bracket rod and a pulley, wherein the second bracket (3) is connected to the base plate (1), a housing of the servo motor (20) is fixed on the second bracket (3), an output shaft of the servo motor (20) is fixed to the cam (18), one end of the bracket rod is fixed to the separation box (7), the axle of the pulley is rotatably mounted on the bracket rod, and the cam (18) is in contact with the pulley.

4. A screening device according to claim 3, characterized in that: The driving assembly (10) further comprises a first transmission wheel (19), a second transmission wheel (22), a connecting rod (23) and a sliding rod (13); the output shaft of the servo motor (20) is coaxially fixed with the first transmission wheel (19); the axle of the second transmission wheel (22) is rotatably mounted on the second bracket (3); the first transmission wheel (19) and the second transmission wheel (22) are jointly sleeved on a transmission belt (21); one end of the sliding rod (13) is fixed on the gate (12); one end of the connecting rod (23) is rotatably mounted on the sliding rod; and the other end of the connecting rod (23) is rotatably mounted on the edge of the second transmission wheel (22).

5. A screening device according to claim 1, characterized in that: A feeding pipe (16) is provided at the bottom of the separation box (7).

6. A screening device according to claim 5, characterized in that: A centralizing cover (15) is provided between the feed pipe (16) and the separation box (7) to connect the two.

7. A screening device according to claim 4, characterized in that: A fixing frame (11) is fixed on the outer side of the discharge tank (8), a sliding hole is provided on the outer side of the fixing frame (11), and the sliding rod (13) is integrally slidably arranged in the sliding hole.

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