Multilayer powder vibration screening equipment capable of preventing screening holes from being blocked

Abstract

The utility model discloses multi-layer powder vibration screening equipment capable of preventing screening holes from being blocked, and relates to the technical field of powder screening, the multi-layer powder vibration screening equipment comprises a screening box, the top of the screening box is provided with a feeding port, and a screening assembly is arranged in the screening box; the screening assembly comprises an arc-shaped screening plate used for screening the screening assembly and a vibration driving part used for driving the arc-shaped screening plate to vibrate to prevent the arc-shaped screening plate from being blocked, a discharging port is formed in one side of the screening box, and a discharging plate is rotationally arranged in the discharging port through a rotating shaft; a speed control assembly used for controlling the inclination angle of the discharging plate so as to control the powder discharging speed is further arranged in the screening box, a motor is started, the output end of the motor drives a rotating rod to rotate, the rotating rod transmits power to a driving rod through a connecting rod, the driving rod drives the arc-shaped screening plate to vibrate after being pushed by the connecting rod, and the powder discharging speed is controlled. Uniform distribution and flowing of powder on the arc-shaped screening plate are facilitated, and meanwhile the arc-shaped screening plate is prevented from being blocked.

Description

TECHNICAL FIELD

[0001] The utility model relates to powder screening technical field, concretely relates to a powder multilayer vibrating screening equipment of preventing sieve hole blockage. BACKGROUND

[0002] The powder multilayer vibrating screening equipment is commonly used screening equipment in industrial production, and is mainly used for screening and grading of powdery and granular materials. The powder multilayer vibrating screening equipment is usually composed of a vibrating motor, a screen box, a multilayer screen, a support structure and other key components. The vibrating motor serves as an excitation source, and high-frequency vibration of the screen box and the screen is generated by excitation force generated by the vibrating motor, so as to realize screening and grading of the material. The design of the multilayer screen enables the equipment to perform multi-stage screening of the material and meet different particle size requirements.

[0003] The patent document with the patent number CN219726880U discloses a plastic particle screening device capable of avoiding mesh blockage, which comprises a screening barrel and a mounting frame. When the plastic particles are screened through the first and second screening plates, the rotation of the lifting frame causes the first and second screening plates to rise and fall. The pins on the first and second cleaning frames are used to poke the mesh holes of the first and second screening plates to remove the plastic particles blocked in the mesh holes of the first and second screening plates. The rotation of the first and second screening plates changes the position of the mesh holes, thereby completely cleaning the first and second screening plates.

[0004] In use, the rotation of the lifting frame causes the first and second screening plates to rise and fall, and the pins on the first and second cleaning frames poke the mesh holes of the first and second screening plates, thereby preventing the first and second screening plates from being blocked. However, the above-mentioned solution cannot effectively prevent the mesh holes of the first and second screening plates from being blocked while the screening operation is being performed, which may cause the material to gradually accumulate and block the mesh holes during the screening process, thereby seriously affecting the screening speed and reducing the overall screening efficiency. UTILITY MODEL CONTENT

[0005] To solve the above-mentioned problems, a powder multilayer vibrating screening equipment capable of preventing sieve hole blockage is provided, which is equipped with an arc-shaped screening plate for screening the screening assembly and a vibration driving component for driving the arc-shaped screening plate to vibrate and prevent the arc-shaped screening plate from being blocked, thereby solving the technical problem that the powder may block the sieve holes during the screening process and affect the screening speed.

[0006] To solve the prior art problems, the utility model provides a kind of powder multi-layer vibrating screen separation equipment of preventing screen hole blockage, including screening box, the top of the screening box is provided with feed inlet, screening assembly is provided in the screening box, the screening assembly includes the arc-shaped screening board for screening powder and the vibration driving part for driving arc-shaped screening board vibration to prevent arc-shaped screening board blockage, the side of the screening box is provided with discharge outlet, discharge outlet is rotatably provided with discharge plate by rotating shaft, control speed component for controlling the inclination angle of discharge plate to control the powder discharge speed is further provided in the screening box.

[0007] Preferably, the screening assembly further includes an extension plate; the arc-shaped screening plate is slidingly arranged in the screening box, waste outlets are formed in the two sides of the screening box, the extension plate is arranged on the two sides of the arc-shaped screening plate, one end of the extension plate extends out of the waste outlet, and a treatment box is arranged at the bottom of the waste outlet on the two sides of the screening box, and a collection box is slidingly arranged in the treatment box.

[0008] Preferably, the vibration driving part includes a mounting plate and a cross plate; the mounting plate is vertically arranged on the top of the screening box, a motor is arranged on one side of the mounting plate, a rotating rod is arranged on the output end of the motor, a connecting rod is hingedly connected to one end of the rotating rod, a driving rod is hingedly connected to one end of the connecting rod, and the driving rod is connected to the arc-shaped screening plate; the cross plate is arranged on the inner wall of the screening box on the two sides and at the bottom of the arc-shaped screening plate, a first spring is arranged on the top of the cross plate, one end of the first spring is connected to the top of the cross plate, and the other end of the first spring is connected to the bottom of the extension plate.

[0009] Preferably, side plates are arranged on the two sides of the screening box, sliding rods are arranged on the top of the side plates, limit discs are arranged on the top ends of the sliding rods, moving blocks are arranged on the two sides of the extension plate, the moving blocks are slidingly arranged on the sliding rods, a second spring is sleeved on the sliding rod, one end of the second spring is connected to the top of the moving block, and the other end of the second spring is connected to the bottom of the limit disc.

[0010] Preferably, the speed control component includes a threaded rod, an abutment block and a knob; the threaded rod is threadedly connected to one side of the screening box; the abutment block is arranged on one end of the threaded rod, the top of the abutment block is in contact with the bottom of the discharge plate; and the knob is arranged on the other end of the abutment block.

[0011] Preferably, a limit sliding block is arranged on the bottom of the abutment block, and a limit sliding groove for the movement of the limit sliding block is formed in the inner bottom wall of the screening box.

[0012] Preferably, an observation window is arranged at the front end of the screening box.

[0013] The utility model has the beneficial effects compared with the prior art:

[0014] 1. By starting the motor, the output end of the motor drives the rotating rod to rotate. The rotating power of the rotating rod is transmitted to the driving rod through the connecting rod. After being pushed by the connecting rod, the driving rod drives the arc-shaped screening plate to vibrate, thereby helping the uniform distribution and flow of the powder on the arc-shaped screening plate and preventing the arc-shaped screening plate from being blocked.

[0015] 2. When it is necessary to adjust the discharging speed of the powder, the knob is rotated to drive the threaded rod to rotate, and the threaded rod drives the abutting block to move. Since the top of the abutting block is in contact with the bottom of the discharging plate, when the abutting block moves towards the discharge port, the abutting block drives the discharging plate to rotate around the rotating shaft as the center, so that the inclination angle of the discharging plate changes. By adjusting the inclination angle of the discharging plate, the discharging speed of the powder is controlled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a three-dimensional schematic diagram of a powder multi-layer vibration screening device for preventing screen hole blockage Figure 1 .

[0017] Figure 2 It is a three-dimensional schematic diagram of a powder multi-layer vibration screening device for preventing screen hole blockage Figure 2 .

[0018] Figure 3 It is a sectional view of the screening box in the powder multi-layer vibration screening device for preventing screen hole blockage in the front view angle.

[0019] Figure 4 It is a three-dimensional view of the screening box, arc-shaped screening plate and extension plate in the powder multi-layer vibration screening device for preventing screen hole blockage.

[0020] Figure 5 It is Figure 4 an enlarged view of A in FIG.

[0021] Figure 6 It is a three-dimensional view of the discharging plate, threaded rod, abutting block and knob in the powder multi-layer vibration screening device for preventing screen hole blockage.

[0022] The reference numerals in the figure are: 1, screening box; 2, feeding port; 3, screening assembly; 31, arc-shaped screening plate; 32, waste port; 33, extension plate; 34, processing box; 35, collection box; 36, mounting plate; 37, motor; 38, rotating rod; 39, connecting rod; 310, driving rod; 311, cross plate; 312, first spring; 313, side plate; 314, sliding rod; 315, limiting disc; 316, moving block; 317, second spring; 4, discharge port; 5, discharging plate; 6, speed control assembly; 61, threaded rod; 62, abutting block; 63, knob; 7, observation window. DETAILED DESCRIPTION

[0023] In order to further understand the features, technical means and specific purposes and functions achieved by the utility model, the utility model will be described in further detail below in combination with the drawings and specific embodiments.

[0024] Referring to Figures 1 to 6 As shown in the utility model provides a kind of powder multi-layer vibrating screen equipment of preventing screen hole blockage, including screening box 1, the top of screening box 1 is provided with feed inlet 2, screening box 1 is provided with screening assembly 3, screening assembly 3 includes the arc-shaped screening plate 31 for screening powder and the vibration driving component for driving arc-shaped screening plate 31 vibration to prevent arc-shaped screening plate 31 blockage, one side of screening box 1 is provided with discharge outlet 4, discharge outlet 4 is rotationally provided with discharge plate 5 in through shaft, screening box 1 is also provided with speed control assembly 6 for controlling the inclination angle of discharge plate 5 to control the powder discharge speed.

[0025] By pouring powder from feed inlet 2 into screening box 1, vibration driving component is started at this time.Under the action of vibration driving component, arc-shaped screening plate 31 vibrates, and powder is screened, so as to facilitate the uniform distribution and flow of powder on arc-shaped screening plate 31, while preventing screen hole blockage, and powder of appropriate size falls onto discharge plate 5 and is discharged from discharge outlet 4 along discharge plate 5, when it is necessary to adjust the powder discharge speed, speed control assembly 6 is started, and the inclination angle of discharge plate 5 is adjusted by speed control assembly 6, so as to control the powder discharge speed, facilitating staff to collect.

[0026] Referring to Figures 1 to 5 As shown in the utility model provides a kind of powder multi-layer vibrating screen equipment of preventing screen hole blockage, including screening box 1, the top of screening box 1 is provided with feed inlet 2, screening box 1 is provided with screening assembly 3, screening assembly 3 includes the arc-shaped screening plate 31 for screening powder and the vibration driving component for driving arc-shaped screening plate 31 vibration to prevent arc-shaped screening plate 31 blockage, one side of screening box 1 is provided with discharge outlet 4, discharge outlet 4 is rotationally provided with discharge plate 5 in through shaft, screening box 1 is also provided with speed control assembly 6 for controlling the inclination angle of discharge plate 5 to control the powder discharge speed.

[0027] Powder enters screening box 1 through feed inlet 2 and falls on arc-shaped screening plate 31 for screening.Under the action of vibration driving component, arc-shaped screening plate 31 vibrates to efficiently screen powder.Powder meeting particle size requirements falls onto discharge plate 5 and is discharged from discharge outlet 4 along discharge plate 5.Powder not meeting particle size requirements is guided to extension plate 33 and discharged from waste outlet 32.Powder discharged from waste outlet 32 falls into collection box 35 in treatment box 34, so as to facilitate staff to collect and process.

[0028] Referring to Figure 4 And Figure 5As shown, the vibration driving component includes a mounting plate 36 and a cross plate 311; the mounting plate 36 is vertically arranged on the top of the screening box 1, one side of the mounting plate 36 is provided with a motor 37, the output end of the motor 37 is provided with a rotating rod 38, one end of the rotating rod 38 is hinged with a connecting rod 39, one end of the connecting rod 39 is hinged with a driving rod 310, the driving rod 310 is connected with the arc-shaped screening plate 31; the cross plate 311 is arranged on the inner wall of the screening box 1 and located at the bottom of the arc-shaped screening plate 31, the top of the cross plate 311 is provided with a first spring 312, one end of the first spring 312 is connected with the top of the cross plate 311, the other end of the first spring 312 is connected with the bottom of the extension plate 33.

[0029] By starting the motor 37, the rotating rod 38 is driven to rotate by the output end of the motor 37. The rotating power of the rotating rod 38 is transmitted to the driving rod 310 through the connecting rod 39, and the driving rod 310 drives the arc-shaped screening plate 31 to vibrate after being pushed by the connecting rod 39, thereby facilitating the uniform distribution and flow of the powder on the arc-shaped screening plate 31, and preventing the arc-shaped screening plate 31 from being blocked. In the process of vibrating the arc-shaped screening plate 31, the energy generated by the vibration is absorbed by the first spring 312. At the same time, the stability of the arc-shaped screening plate 31 and the extension plate 33 in the vibration process is maintained through the elastic deformation of the first spring 312.

[0030] Referring to Figure 5 As shown, the two sides of the screening box 1 are provided with side plates 313, the top of the side plate 313 is provided with a sliding rod 314, the top end of the sliding rod 314 is provided with a limiting disc 315, the two sides of the extension plate 33 are provided with moving blocks 316, the moving blocks 316 are slidingly arranged on the sliding rod 314, the sliding rod 314 is sleeved with a second spring 317, one end of the second spring 317 is connected with the top of the moving block 316, the other end of the second spring 317 is connected with the bottom of the limiting disc 315.

[0031] When the arc-shaped screening plate 31 is vibrated by the driving of the vibration driving component, the extension plate 33 will move up and down accordingly. In the process of moving up and down of the extension plate 33, the moving block 316 slides on the sliding rod 314, and at the same time, the second spring 317 is compressed or stretched, thereby helping to maintain the stability of the extension plate 33 in the vibration process.

[0032] Referring to Figure 6 As shown, the speed control assembly 6 includes a threaded rod 61, an abutting block 62 and a knob 63; the threaded rod 61 is threadedly connected to one side of the screening box 1; the abutting block 62 is arranged at one end of the threaded rod 61, the top of the abutting block 62 is in contact with the bottom of the discharge plate 5; the knob 63 is arranged at the other end of the abutting block 62.

[0033] When it is necessary to adjust the discharging speed of the powder, the knob 63 is rotated, the threaded rod 61 is rotated by the knob 63, the abutment block 62 is moved by the rotation of the threaded rod 61, and the abutment block 62 drives the discharging plate 5 to rotate around the rotation shaft as the center when the abutment block 62 moves towards the discharging port 4, so that the inclination angle of the discharging plate 5 is changed, and the discharging speed of the powder is controlled by adjusting the inclination angle of the discharging plate 5.

[0034] Referring to Figure 6 As shown in the figure, the bottom of the abutment block 62 is provided with a limiting sliding block, and a limiting sliding groove for the movement of the limiting sliding block is formed in the inner bottom wall of the screening box 1.

[0035] When the threaded rod 61 drives the abutment block 62 to move, the abutment block 62 slides in the limiting sliding groove through the limiting sliding block at the bottom, so that the stability of the movement of the abutment block 62 is improved.

[0036] Referring to Figure 1 As shown in the figure, the front end of the screening box 1 is provided with an observation window 7.

[0037] Through the setting of the observation window 7, it is convenient for the staff to observe the situation inside the screening box 1.

[0038] By pouring the powder into the screening box 1 from the feeding port 2, the rotating rod 38 is rotated by starting the motor 37 and driving the rotating rod 38 through the output end of the motor 37. The rotating power of the rotating rod 38 is transmitted to the driving rod 310 through the connecting rod 39, and the driving rod 310 drives the arc-shaped screening plate 31 to vibrate after being pushed by the connecting rod 39, so as to facilitate the uniform distribution and flow of the powder on the arc-shaped screening plate 31, and prevent the arc-shaped screening plate 31 from being blocked. In the process of vibration of the arc-shaped screening plate 31, the energy generated by vibration is absorbed by the first spring 312. At the same time, the stability of the arc-shaped screening plate 31 and the extension plate 33 in the vibration process is maintained through the elastic deformation of the first spring 312. The arc-shaped screening plate 31 generates vibration to efficiently screen the powder. The powder meeting the particle size requirement falls onto the discharging plate 5 and is discharged from the discharging port 4 along the discharging plate 5. The powder not meeting the particle size requirement is guided to the extension plate 33 and discharged from the waste port 32. The powder discharged from the waste port 32 falls into the collection box 35 in the treatment box 34, so as to facilitate the staff to collect and process. When it is necessary to adjust the discharging speed of the powder, the knob 63 is rotated, the threaded rod 61 is rotated by the knob 63, the abutment block 62 is moved by the rotation of the threaded rod 61, and the abutment block 62 drives the discharging plate 5 to rotate around the rotation shaft as the center when the abutment block 62 moves towards the discharging port 4, so that the inclination angle of the discharging plate 5 is changed, and the discharging speed of the powder is controlled by adjusting the inclination angle of the discharging plate 5, which is convenient for the staff to collect.

[0039] The above embodiments only express one or several embodiments of the present application, the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A multi-deck vibratory screening apparatus for screening of powders, which is protected against clogging of the screen apertures, characterized in that, The sieve includes a screening box (1), with a feed inlet (2) at the top. A screening component (3) is provided inside the screening box (1). The screening component (3) includes an arc-shaped screening plate (31) for screening powder and a vibration drive component for driving the arc-shaped screening plate (31) to vibrate and prevent the arc-shaped screening plate (31) from clogging. A discharge port (4) is provided on one side of the screening box (1). A discharge plate (5) is rotatably provided inside the discharge port (4) via a rotating shaft. A speed control component (6) is also provided inside the screening box (1) for controlling the tilt angle of the discharge plate (5) to control the powder discharge speed.

2. A multi-deck vibratory powder screening apparatus according to claim 1, wherein, The screening component (3) also includes an extension plate (33); The arc-shaped screening plate (31) is slidably disposed in the screening box (1). Waste ports (32) are provided on both sides of the screening box (1). The extension plate (33) is disposed on both sides of the arc-shaped screening plate (31). One end of the extension plate (33) extends out from the waste port (32). Processing boxes (34) are provided on both sides of the screening box (1) at the bottom of the waste port (32). A collection box (35) is slidably disposed in the processing box (34).

3. A multi-deck vibratory powder screening apparatus according to claim 1, wherein, The vibration driving component includes a mounting plate (36) and a horizontal plate (311); The mounting plate (36) is vertically mounted on the top of the screening box (1). A motor (37) is mounted on one side of the mounting plate (36). A rotating rod (38) is mounted on the output end of the motor (37). A connecting rod (39) is hinged to one end of the rotating rod (38). A driving rod (310) is hinged to one end of the connecting rod (39). The driving rod (310) is connected to the arc-shaped screening plate (31). The horizontal plate (311) is disposed on both sides of the inner wall of the screening box (1) and located at the bottom of the arc-shaped screening plate (31). A first spring (312) is disposed on the top of the horizontal plate (311). One end of the first spring (312) is connected to the top of the horizontal plate (311), and the other end of the first spring (312) is connected to the bottom of the extension plate (33).

4. A multi-deck vibratory powder screening apparatus according to claim 2, wherein, The screening box (1) is provided with side plates (313) on both sides, and a slide rod (314) is provided on the top of the side plate (313). A limiting plate (315) is provided at the top of the slide rod (314). Moving blocks (316) are provided on both sides of the extension plate (33). The moving blocks (316) are slidably disposed on the slide rod (314). A second spring (317) is sleeved on the slide rod (314). One end of the second spring (317) is connected to the top of the moving block (316), and the other end of the second spring (317) is connected to the bottom of the limiting plate (315).

5. A multi-deck vibratory powder screening apparatus according to claim 1, wherein, The speed control component (6) includes a threaded rod (61), an abutment block (62), and a knob (63); The threaded rod (61) is threaded to one side of the screening box (1); The abutment block (62) is disposed at one end of the threaded rod (61), and the top of the abutment block (62) contacts the bottom of the discharge plate (5); The knob (63) is located at the other end of the abutment block (62).

6. A multi-deck vibratory powder screening apparatus according to claim 5, wherein, The bottom of the abutting block (62) is provided with a limiting sliding block, and a limiting sliding groove for the movement of the limiting sliding block is formed in the inner bottom wall of the screening box (1).

7. A multi-deck vibratory powder screening apparatus according to claim 1, wherein, The front end of the screening box (1) is provided with an observation window (7).

Images