Screening device for hardware product machining

Abstract

The utility model belongs to the technical field of hardware product machining, and discloses a screening device for hardware product machining. Comprising a screening box, a first motor and a rotating rod, a bottom plate is installed at the lower end in the screening box, two screening plates stacked at intervals are installed at the upper end in the screening box, conveying assemblies are arranged at the bottoms of the two screening plates in an array mode, and flattening assemblies are arranged at the tops of the two screening plates and the top of the bottom plate. The mode that the first motor and the rotating rod drive the three flattening assemblies to rotate is used, scattering operation of hardware products is achieved, stacking of the hardware products is avoided, the screening efficiency of the equipment is improved, the mode that the discharging holes are formed in the outer side of the screening plate is achieved, when the flattening assemblies flatten the hardware products, the hardware products evenly fall onto the conveying assembly from the discharging holes, and the hardware products are conveyed to the conveying assembly. And small hardware products are screened through the screening holes in the conveying belt, and compared with a vibration screening mode, noise and the abrasion degree of equipment are reduced, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware product processing, and more specifically, to a screening device for hardware product processing. Background Art

[0002] Hardware products are auxiliary and accessory products used in daily life and industrial production. In the early days, they were mostly made of metal materials such as gold, silver, copper, iron, and tin, hence the name. In addition to various metal materials, they are now widely made of non-metallic materials such as plastic and glass fiber. During the processing of hardware products, screening devices are needed to screen hardware products of different sizes.

[0003] Most existing screening devices use vibration screening, which generates a lot of noise during operation and causes high wear on the equipment, which may affect the service life of the equipment. When unloading, hardware products are dumped into the screening device, and workers are required to spread them out, otherwise it will affect the subsequent screening efficiency. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a screening device for processing hardware products.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screening device for processing hardware products, comprising a screening box, a motor 1 is installed at the bottom of the screening box, a rotating rod is installed at the output end of the motor 1, a bottom plate is installed at the lower end of the screening box, two screening plates are installed at the upper end of the screening box, a conveying assembly is arranged at the bottom array of the two screening plates, and a paving assembly is arranged at the top of the two screening plates and the bottom plate;

[0006] The paving assembly includes a rotating drum, a mounting plate, a rubber sheet and two bolts. The rotating drum is fixedly sleeved on the outside of the rotating rod. The mounting plates are symmetrically installed on the outside of the rotating drum. Grooves are provided on both sides of the mounting plates. The grooves are fixedly connected to the rubber sheet by two bolts.

[0007] Furthermore, a through hole rotatably connected to the rotating rod is provided at the center of the bottom plate and the screening plate, and a discharge hole matching the size of the conveying component is provided at the top of the screening box.

[0008] Furthermore, the conveying assembly includes a second motor and two rollers, and the outer tensioning sleeves of the two rollers are provided with conveyor belts. A fixed plate 1 is rotatably installed on both sides of one of the rollers, and the fixed plate 1 is fixedly connected to the inner wall of the screening box. A fixed plate 2 is rotatably installed on both sides of the other roller, and a guide plate is installed at the bottom of the fixed plate 2.

[0009] Furthermore, the guide plate and the fixed plate are both fixedly connected to the outer side of the screening box, the conveying assembly and the end of the guide plate close to the rotating rod are both inclined from top to bottom, and the outer arrays of the two screening plates are provided with discharge holes, and the discharge holes are located above the conveyor belt.

[0010] Furthermore, multiple groups of screening holes are arranged at intervals on the outer sides of the two conveyor belts, and the screening holes of the upper conveyor belt have a larger diameter than those of the lower conveyor belt.

[0011] Furthermore, a groove is provided on the top of the screening plate, and the groove is slidably connected to the outer side and bottom of the rotating drum and the rubber sheet.

[0012] Furthermore, a fixing rod is installed on the top of the screening box by means of a bolt, the fixing rod is cross-arranged with the conveying assembly, and a rotating groove rotatably connected to the rotating rod is provided at the bottom of the fixing rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are: using a motor and a rotating rod to drive the three groups of leveling components to rotate, the hardware products can be spread out, the hardware products can be avoided from piling up, and the screening efficiency of the equipment can be improved; a feed hole is opened on the outside of the screening plate, so that when the leveling component flattens the hardware products, the hardware products fall evenly from the feed hole onto the conveying component, and smaller hardware products are screened through the screening holes on the conveyor belt. Compared with the vibration screening method, the noise and equipment wear are reduced, and the service life of the equipment is increased. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a cross-sectional view of the internal structure of the screening box of the utility model;

[0016] Figure 3 This is a schematic diagram of the conveying assembly of the utility model inside the screening box;

[0017] Figure 4 It is a schematic diagram of the paving assembly of the utility model;

[0018] Figure 5 It is a schematic diagram of the conveying component of the utility model.

[0019] In the figure:

[0020] 1. Screening box; 2. Fixing rod; 3. Bolt 1; 4. Motor 1; 5. Rotating rod; 6. Bottom plate; 7. Screening plate; 8. Conveying assembly; 801. Motor 2; 802. Rotating roller; 803. Conveying belt; 9. Fixing plate 1; 10. Fixing plate 2; 11. Guide plate; 12. Leveling assembly; 1201. Rotating drum; 1202. Mounting plate; 1203. Rubber sheet; 1204. Bolt 2. DETAILED DESCRIPTION

[0021] 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.

[0022] See also Figure 1-5The utility model provides the following technical solutions: a screening device for processing hardware products, including a screening box 1, the top of the screening box 1 is open, a motor 4 is installed at the bottom of the screening box 1, a rotating rod 5 is installed at the output end of the motor 4, a fixing rod 2 is installed at the top of the screening box 1 through a bolt 3, the fixing rod 2 and the conveying assembly 8 are cross-arranged, and the fixing rod 2 is provided with a rotating groove rotatably connected to the rotating rod 5 when the material is poured, and the fixing rod 2 has a function of increasing the stability of the rotating rod 5. The fixing rod 2 adopts a detachable design of a bolt 3, and the rotating groove and the rotating rod 5 are worn for a long time, and the bolt 3 can The fixing rod 2 can be replaced. A bottom plate 6 is installed at the lower end of the inside of the screening box 1. The bottom plate 6 is located above the motor 4. Two screening plates 7 are installed at the upper end of the inside of the screening box 1. The outer sides of the two screening plates 7 are fixedly connected to the inner wall of the screening box 1 through support rods. The two screening plates 7 are fixed by support rods. There is a gap between the screening plates 7 and the screening box 1 to provide space for material discharge. The support rod is located between two adjacent material discharge holes and does not affect the material discharge of the material discharge holes. A conveying assembly 8 is arranged at the bottom array of the two screening plates 7. A through hole rotatably connected to the rotating rod 5 is opened at the center of the bottom plate 6 and the screening plate 7. The top of the screening box 1 is provided with an outlet matched with the size of the conveying assembly 8. The material hole is used to realize that the conveying assembly 8 extends out of the screening box 1 through the material discharge hole, so that the screened hardware materials can be conveniently conveyed out of the screening box 1. The conveying assembly 8 includes a motor 2 801 and two rollers 802. The outer tensioning sleeves of the two rollers 802 are provided with a conveyor belt 803. The outer sides of the two conveyor belts 803 are provided with multiple groups of screening holes at intervals. The upper conveyor belt 803 has a larger screening hole diameter than the lower conveyor belt 803. The increase in the screening hole diameters of the upper and lower conveyor belts 803 can realize that the size of hardware products is screened from large to small by the screening holes of the conveyor belt 803. A fixed plate 9 is rotatably installed on both sides of one of the rollers 802. The fixed plate 9 is fixed to the inner wall of the screening box 1. Next, fixed plates 10 are rotatably installed on both sides of the other roller 802. Fixed plates 19 and 10 serve to fix the conveying assembly 8. A guide plate 11 is installed at the bottom of fixed plate 10. The guide plate 11 and fixed plate 10 are fixedly connected to the outer side of the screening box 1. The conveying assembly 8 and the end of the guide plate 11 close to the rotating rod 5 are inclined from top to bottom. The guide plate 11 is located at the lower end of the conveying assembly 8, and serves to guide the hardware products dropped from the outside of the screening box 1 into the inside of the screening box 1. The outer arrays of the two screening plates 7 are provided with feeding holes, and the feeding holes are located above the conveyor belt 803. The hardware products are dropped from the screening plates 7 through the feeding holes.

[0023] A paving assembly 12 is provided on the top of the two screening plates 7 and the bottom plate 6, and the paving assembly 12 includes a rotating drum 1201, a mounting plate 1202, a rubber sheet 1203 and two bolts 1204. A groove is provided on the top of the screening plate 7, and the groove is slidably connected to the outer side and bottom of the rotating drum 1201 and the rubber sheet 1203. The rotating drum 1201 is fixedly sleeved on the outer side of the rotating rod 5, and the mounting plates 1202 are symmetrically installed on the outer side of the rotating drum 1201. Grooves are provided on both sides of the mounting plate 1202, and the grooves are fixedly connected to the rubber sheet 1203 by two bolts 1204. The design of using two bolts 1204 to install the rubber sheet 1203 facilitates the subsequent replacement of the rubber sheet 1203, reduces the cost of equipment wear and replacement, and improves the service life of the equipment.

[0024] Working principle: When screening, pour the hardware products from the top of the screening box 1 into the upper screening plate 7, start the motor 14, the motor 14 drives the rotating rod 5 to rotate, the rotating rod 5 drives the rotating drum 1201, the mounting plate 1202 and the rubber sheet 1203 to rotate, the rubber sheet 1203 contacts the hardware products to spread the hardware products, and the spread hardware products fall onto the upper conveyor belt 803 through the discharge hole on the outside of the top screening plate 7, start the motor 2 801, the motor 2 801 drives one of the rollers 802 to rotate, and one of the rollers 802 passes through the conveyor belt 803. Belt 803 drives another roller 802 to rotate, thereby realizing the rotation of the conveyor belt 803. During the rotation of the upper conveyor belt 803, hardware products with a size smaller than the screening hole diameter of the upper conveyor belt 803 fall onto the lower screening plate 7. The above operation is repeated, and the screened hardware products are transported to the outside of the screening box 1 through the upper and lower conveyor belts 803 respectively, and hardware products with a smaller diameter than the screening hole diameter of the lower conveyor belt 803 fall onto the bottom plate 6. By opening the door on the outside of the screening box 1, the hardware products on the bottom plate 6 can be taken out, thereby completing the screening of the hardware products.

[0025] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A screening device for hardware product processing, comprising a screening box (1), characterized in that: A motor (4) is installed at the bottom of the screening box (1), a rotating rod (5) is installed at the output end of the motor (4), a bottom plate (6) is installed at the lower end of the screening box (1), two screening plates (7) are installed at an interval and stacked at the upper end of the screening box (1), a conveying assembly (8) is arranged at the bottom array of the two screening plates (7), and a paving assembly (12) is arranged at the top of the two screening plates (7) and the bottom plate (6); The paving assembly (12) comprises a rotating drum (1201), a mounting plate (1202), a rubber sheet (1203) and a second bolt (1204); the rotating drum (1201) is fixedly sleeved on the outer side of the rotating rod (5); the mounting plate (1202) is symmetrically mounted on the outer side of the rotating drum (1201); grooves are provided on both sides of the mounting plate (1202); and the grooves are fixedly connected to the rubber sheet (1203) via the second bolt (1204).

2. A screening device for hardware product processing according to claim 1, characterized in that: The bottom plate (6) and the screening plate (7) are provided with through holes at their centers for rotationally connecting to the rotating rod (5), and the top of the screening box (1) is provided with a discharge hole that matches the size of the conveying assembly (8).

3. A screening device for hardware product processing according to claim 1, characterized in that: The conveying assembly (8) comprises a second motor (801) and two rotating rollers (802), the outer sides of the two rotating rollers (802) are tensioned with conveyor belts (803), one of the rotating rollers (802) is rotatably mounted with a first fixing plate (9) on both sides, the first fixing plate (9) is fixedly connected to the inner wall of the screening box (1), and the other of the rotating rollers (802) is rotatably mounted with a second fixing plate (10) on both sides, and a guide plate (11) is mounted at the bottom of the second fixing plate (10).

4. A screening device for hardware product processing according to claim 3, characterized in that: The guide plate (11) and the second fixed plate (10) are both fixedly connected to the outer side of the screening box (1); the conveying assembly (8) and the end of the guide plate (11) close to the rotating rod (5) are both arranged to be inclined from top to bottom; and the outer sides of the two screening plates (7) are provided with a discharge hole array, and the discharge hole is located above the conveyor belt (803).

5. A screening device for hardware product processing according to claim 3, characterized in that: Multiple groups of screening holes are arranged at intervals on the outer sides of the two conveyor belts (803), and the screening holes of the upper conveyor belt (803) have a larger diameter than those of the lower conveyor belt (803).

6. A screening device for hardware product processing according to claim 1, characterized in that: The top of the screening plate (7) is provided with a groove, and the groove is slidably connected to the outer side and bottom of the rotating drum (1201) and the rubber sheet (1203).

7. A screening device for hardware product processing according to claim 1, characterized in that: A fixing rod (2) is installed on the top of the screening box (1) by means of a bolt (3); the fixing rod (2) and the conveying assembly (8) are arranged crosswise; and a rotating groove rotatably connected to a rotating rod (5) is provided at the bottom of the fixing rod (2).

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