Anti-blocking vibrating screen

Abstract

The utility model discloses an anti-blocking vibrating screen which comprises a screening box, a screen plate arranged in an inclined mode is fixed in the screening box, a screw rod parallel to the screen plate is arranged on one side of the upper end of the screen plate, and a screw block is arranged on the screw rod in a sleeved mode. The unblocking device has the advantages that by arranging the unblocking mechanism composed of the driving motor, the driving wheel, the synchronous belt, the driven wheel, the universal shaft, the screw rod, the screw block, the rolling shaft and the conical block, in the screening process, the driving motor drives the driving wheel to rotate, the driving wheel drives the driven wheel to rotate through the synchronous belt, and the driven wheel drives the screw rod to rotate through the universal shaft; and in the moving process, the conical blocks can be sequentially located in the screening holes in the screening plate, then materials blocked in the screening holes are extruded and discharged, blockage clearing can be automatically conducted on the screening plate, shutdown is not needed, the screening efficiency of the device is guaranteed, and the anti-blocking effect and functionality of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of vibrating screen, concretely relates to a kind of anti-blocking vibrating screen. BACKGROUND

[0002] The alias of vibrating screen is also called: three-dimensional vibrating screen, vibrating screen powder machine, rotary vibrating screen, oscillating screen, vibrating screen, circular screen, circular vibrating screen. The principle of vibration motor excitation is used to make the material be thrown on the screen surface, and the straight line motion is made to the screen surface, so as to achieve the purpose of screening.

[0003] The screen hole in the screen plate of the existing vibrating screen is easy to be blocked by materials with similar specifications during use, which leads to manual cleaning, resulting in high work intensity of workers, low screening efficiency of the device, affecting the use effect, and poor anti-blocking performance. Therefore, an anti-blocking vibrating screen is needed to solve the above problems. UTILITY MODEL CONTENT

[0004] (I) technical problem to be solved

[0005] The technical problem to be solved by the utility model is to provide a vibrating screen that can automatically clean the screen plate, ensure the screening efficiency, has good anti-blocking effect and strong functionality.

[0006] (II) technical scheme

[0007] The utility model realizes the following technical scheme: the utility model provides an anti-blocking vibrating screen, which comprises a screening box, an inclined screen plate is fixed in the screening box, a screw rod parallel to the screen plate is arranged on one side of the upper end of the screen plate, a screw block is sleeved on the screw rod, a guide rod parallel to the screen plate is arranged on the other side of the upper end of the screen plate, a guide block is sleeved on the guide rod, a roller shaft is installed between the guide block and the screw block, a plurality of conical blocks are arranged on the surface of the roller shaft, the pitch of the conical blocks is consistent with the pitch of the screen holes of the screen plate, a universal shaft is connected to one end of the screw rod, a driven wheel is connected to one end of the universal shaft, a driving wheel is arranged below the driven wheel, a synchronous belt is sleeved on the driving wheel and the driven wheel, a driving motor is connected to one side wall of the driving wheel, and a support is connected to one end of the driving wheel and the driven wheel.

[0008] Further, the screen plate is fixed in the screening box by screws, and a discharge baffle is installed on the screening box at the position of the lowest end of the screen plate.

[0009] By adopting the above technical scheme, the material is screened by the screen plate, the discharge baffle is opened, and the material on the screen plate can be discharged.

[0010] Further, a material guide plate is arranged below the screen plate, and a material guide hole is arranged at the lowest end of the material guide plate.

[0011] By adopting the above technical scheme, the qualified material is discharged and collected through the material guide plate.

[0012] Further, the screw rod is rotatably arranged in the screening box, the screw block is connected with the screw rod through threads, the guide rod is welded in the screening box, and the guide block is connected with the guide rod through sliding.

[0013] By adopting the above technical scheme, the screw block can move under the action of threads and the guide rod and the guide block during the rotation of the screw rod.

[0014] Further, the roller is rotatably arranged between the screw block and the guide block, and the conical blocks are welded on the roller, and one group of the conical blocks is arranged in the screen hole on the screen plate.

[0015] By adopting the above technical scheme, the roller rotates on the surface of the screen plate during the movement, and the conical blocks can be arranged in the screen hole on the screen plate in sequence, so that the material blocked in the screen hole is extruded to be discharged, the screen plate can be automatically unblocked without stopping, the screening efficiency of the device is ensured, and the anti-blocking effect and functionality of the device are improved.

[0016] Further, one end of the universal shaft is fixedly connected with the screw rod, the other end of the universal shaft is fixedly connected with the driven wheel, the synchronous belt is engaged with the driving wheel and the driven wheel, and the driving wheel and the driven wheel are rotatably connected with the support.

[0017] By adopting the above technical scheme, the driving wheel drives the driven wheel to rotate through the synchronous belt, and the driven wheel drives the screw rod to rotate through the universal shaft.

[0018] Further, the output shaft of the driving motor is fixedly connected with the driving wheel, and the vibration machine is fixedly arranged in the middle of the bottom end of the screening box through bolts.

[0019] By adopting the above technical scheme, the driving motor drives the driving wheel to rotate, and the vibration machine can realize vibration screening to accelerate the screening efficiency.

[0020] Further, the damping rods are fixedly arranged at four corners of the bottom end of the screening box, springs are arranged outside the damping rods, and the bottom ends of the damping rods are fixedly connected with the bases.

[0021] By adopting the above technical scheme, the damping rods and the springs can absorb vibration, so as to reduce the vibration degree of the whole device and ensure the stability of the device.

[0022] (III) Beneficial Effects

[0023] The utility model discloses relative to prior art has following beneficial effect:

[0024] In order to solve the existing vibrating screen in the use process of the screen plate in the screen hole is easy to be blocked by the material of the same specification, and further cause the need manual shutdown manual cleaning, not only cause the work intensity of staff is big, and cause the screening efficiency of device is low, influence its use effect, cause its anti - jamming performance is poor problem, the utility model discloses through setting up drive motor, driving wheel, synchronous belt, driven wheel, universal shaft, screw rod, screw block, roller and conical block constitute the clearing mechanism, in the screening process, drive motor drives driving wheel rotation, and driving wheel drives driven wheel rotation through synchronous belt, and driven wheel drives screw rod rotation through universal shaft, and further make screw block drive roller reciprocating movement along the screen plate, and in the movement process, and conical block can be in the screen hole on the screen plate in turn, and further extrude the material that is blocked in the screen hole and make it discharge, and can automatically clear the screen plate, need not stop, guarantee the screening efficiency of device, improve the anti - jamming effect and functionality of device. BRIEF DESCRIPTION OF DRAWINGS

[0025] Fig. 1 It is the structure schematic diagram of the anti - jamming vibrating screen described in the utility model,

[0026] Fig. 2 It is the main sectional view of the screening box in the anti - jamming vibrating screen described in the utility model,

[0027] Fig. 3 It is the structure schematic diagram of the clearing mechanism in the anti - jamming vibrating screen described in the utility model.

[0028] The following is explained:

[0029] 1, screening box, 2, unloading baffle, 3, base, 4, damping rod, 5, spring, 6, screen plate, 7, screw rod, 8, roller, 9, support, 10, driven wheel, 11, driving wheel, 12, synchronous belt, 13, drive motor, 14, universal shaft, 15, guide plate, 16, vibrating machine, 17, screw block, 18, guide rod, 19, guide block, 20, conical block. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical scheme and advantage of the utility model more clearly, the following is combined with the embodiment, and the utility model is further detailedly explained.It should be understood that the specific embodiment described here is only used to explain the utility model, and is not used to limit the utility model.

[0031] As Figs. 1-3As shown, an anti-clogging vibrating screen in this embodiment includes a screening box 1. An inclined screen plate 6 is fixed inside the screening box 1. Material is screened through the screen plate 6. When the discharge baffle 2 is opened, the material on the screen plate 6 can be discharged. A screw 7 parallel to the screen plate 6 is provided on one side of the upper end of the screen plate 6, and a screw block 17 is fitted on the screw 7. A guide rod 18 parallel to the screen plate 6 is provided on the other side of the upper end of the screen plate 6, and a guide block 19 is fitted on the guide rod 18. During the rotation of the screw 7, the screw block 17 can move under the action of the screw thread, the guide rod 18, and the guide block 19. A roller 8 is installed between the guide block 19 and the screw block 17. The surface of the roller 8 is covered with conical blocks 20, and the spacing of the conical blocks 20 is consistent with the spacing of the screen holes of the screen plate 6. During the movement, the roller 8 rotates on the surface of the screen plate 6, while the conical block 20 can be placed in the screen holes on the screen plate 6 in sequence, thereby squeezing the material blocked in the screen holes and discharging it. It can automatically clear the blockage of the screen plate 6 without stopping the machine, ensuring the screening efficiency of the device. One end of the screw 7 is connected to a universal shaft 14, and the other end of the universal shaft 14 is connected to a driven wheel 10. A driving wheel 11 is set below the driven wheel 10. Both the driving wheel 11 and the driven wheel 10 are fitted with a synchronous belt 12. A drive motor 13 is connected to one side wall of the driving wheel 11. Both the driving wheel 11 and the driven wheel 10 are connected to a support 9. The driving wheel 11 drives the driven wheel 10 to rotate through the synchronous belt 12, and the driven wheel 10 drives the screw 7 to rotate through the universal shaft 14.

[0032] like Figs. 1-3 As shown, in this embodiment, the screen plate 6 is fixed in the screening box 1 by screws. The screening box 1 is equipped with a discharge baffle 2 at the lowest end of the screen plate 6. An inclined guide plate 15 is provided below the screen plate 6. The screening box 1 is provided with a guide port at the lowest end of the guide plate 15. The qualified material is discharged and collected through the guide plate 15. The screw 7 is rotatably installed in the screening box 1. The screw block 17 is connected to the screw 7 by threads. The guide rod 18 is welded in the screening box 1. The guide block 19 is slidably connected to the guide rod 18. The roller 8 is rotatably installed between the screw block 17 and the guide block 19. The conical block 20 is welded to the roller 8. One set of conical blocks 20 is located in the screen hole on the screen plate 6. One end of the universal shaft 14 is fixedly connected to the screw 7. The other end of the universal shaft 14 is fixedly connected to the driven wheel 10. The synchronous belt 12 meshes with the driving wheel 11 and the driven wheel 10. The driving wheel 11 and the driven wheel 10 are rotatably connected to the support 9.

[0033] like Figs. 1-3As shown, in the embodiment, the output shaft of the driving motor 13 is fixedly connected with the driving wheel 11, the vibration motor 16 is fixedly arranged at the middle of the bottom end of the screening box 1 through bolts, the driving motor 13 drives the driving wheel 11 to rotate, the vibration motor 16 can realize vibration screening, and the screening efficiency is accelerated, the damping rod 4 is fixedly arranged at each of the four corners of the bottom end of the screening box 1, the spring 5 is sleeved outside the damping rod 4, the base 3 is fixedly arranged at the bottom end of the damping rod 4, and the damping rod 4 and the spring 5 are combined to absorb vibration, thereby reducing the vibration degree of the whole device and ensuring the stability of the device.

[0034] The specific implementation process of the embodiment is as follows: in use, the external power supply is turned on, the material is injected into the screening box 1, at this time, the screen plate 6 screens the material, in the screening process, the vibration motor 16 can realize vibration screening, the screening efficiency is accelerated, the damping rod 4 and the spring 5 are combined to absorb vibration, thereby reducing the vibration degree of the whole device and ensuring the stability of the device, the qualified material is discharged and collected through the guide plate 15, meanwhile, the driving motor 13 drives the driving wheel 11 to rotate, the driving wheel 11 drives the driven wheel 10 to rotate through the synchronous belt 12, the driven wheel 10 drives the screw rod 7 to rotate through the universal shaft 14, thereby driving the screw block 17 to drive the roller shaft 8 to reciprocatingly move along the screen plate 6, in the moving process, the conical block 20 can be sequentially arranged in the screen hole on the screen plate 6, thereby extruding the material blocked in the screen hole to discharge the material, the screen plate 6 can be automatically cleaned, without stopping, the screening efficiency of the device is ensured, and after the screening is completed, the unloading baffle 2 is opened, and the material on the screen plate 6 can be discharged and collected.

[0035] The above description of the disclosed embodiments enables a person skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A clog resistant shaker screen, characterized by: The utility model provides a screening box (1) is fixed with the screen plate (6) of oblique arrangement in the screening box (1), one side of the upper end of screen plate (6) is provided with the screw rod (7) parallel with screen plate (6), the screw rod (7) is provided with the screw block (17) on the sleeve, the other side of the upper end of screen plate (6) is provided with the guide rod (18) parallel with screen plate (6), the guide rod (18) is provided with the guide block (19) on the sleeve, the guide block (19) and screw block (17) between installation are the roller (8), the surface of roller (8) is full of conical block (20), the pitch of conical block (20) is consistent with the pitch of screen plate (6) screen hole, one end of screw rod (7) is connected with universal shaft (14), one end of universal shaft (14) is connected with driven wheel (10), the lower portion of driven wheel (10) is provided with driving wheel (11), driving wheel (11) and driven wheel (10) are all provided with synchronous belt (12), one side wall of driving wheel (11) is connected with drive motor (13), one end of driving wheel (11) and driven wheel (10) is connected with support (9).

2. A choke free vibrating screen as claimed in claim 1 wherein: The screen plate (6) is fixed in the screening box (1) by screws, and the screening box (1) is installed with a discharge baffle (2) at the lowest end of the screen plate (6).

3. A choke free vibrating screen as claimed in claim 1 wherein: The screen plate (6) is provided with an inclined material guide plate (15) below, and the screening box (1) is provided with a material guide opening at the lowest end of the material guide plate (15).

4. A choke free vibrating screen as claimed in claim 1, wherein: The screw rod (7) is rotatably installed in the screening box (1), the screw block (17) is connected with the screw rod (7) by threads, the guide rod (18) is welded in the screening box (1), and the guide block (19) is slidably connected with the guide rod (18).

5. A choke free vibrating screen as claimed in claim 4 wherein: The roller (8) is rotatably installed between the screw block (17) and the guide block (19), and the conical blocks (20) are welded on the roller (8), wherein a group of the conical blocks (20) are located in the screen holes on the screen plate (6).

6. A choke free vibrating screen as claimed in claim 5 wherein: One end of the universal shaft (14) is fixedly connected with the screw rod (7), the other end of the universal shaft (14) is fixedly connected with the driven wheel (10), the synchronous belt (12) is engaged with the driving wheel (11) and the driven wheel (10), and the driving wheel (11) and the driven wheel (10) are rotatably connected with the support (9).

7. A choke free vibrating screen as claimed in claim 6, wherein: The output shaft of the drive motor (13) is fixedly connected with the driving wheel (11), and the vibration motor (16) is fixed at the middle of the bottom end of the screening box (1) by bolts.

8. A choke free vibrating screen as claimed in claim 7, wherein: The damping rods (4) are fixed at the four corners of the bottom end of the screening box (1), the spring (5) is sleeved outside the damping rod (4), and the base (3) is fixed at the bottom end of the damping rod (4).

Images