Main body structure of efficient screening machine

Abstract

The utility model discloses a main body structure of an efficient screening machine. The main body structure comprises a screening support, a base, a rotating shaft, a vibration motor and a vibration base. The vibration seat is formed by welding metal plates, the vibration seat is rotationally connected to the base through a rotating shaft, the positions, close to the four corners, of the vibration seat are connected with the base through vibration units, and a screening support is installed on the upward face of the vibration seat and used for installing a screen; a vibration motor is further mounted on the surface of the vibration seat; the vibration unit comprises a support, a guide rod A, a vibration spring, a movable sliding rail, a guide rod B, a fixed sliding rail, a lower sliding block, an adjusting screw rod and an upper sliding block. The vibration effect of the screening machine can be adjusted besides the frequency adjustment of the vibration motor, that is, the separation efficiency can be accelerated or delayed by adjusting the inclination angle; by arranging the adjusting mode of the mechanical structure, the adjusting mode of adjusting the screening efficiency of the screening mechanism is added.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of high-efficiency screening machines, specifically a kind of high-efficiency screening machine main structure. BACKGROUND

[0002] Screening machine is widely used in various fields, the main structure of current screening machine is that vibration motor is installed on vibration seat, then vibration seat four corner positions are connected on base through spring, vibration seat is provided with useful screen for screening, so as to screen raw materials. The above-mentioned main mechanism improves the vibration energy of raw materials by adjusting the vibration frequency of vibration motor, so as to realize different separation efficiency, meet different needs. The way of separately improving vibration motor frequency makes the adjustment mode of screening efficiency too single. SUMMARY

[0003] The utility model aims at providing a kind of high-efficiency screening machine main structure to solve the problems raised in the above background.

[0004] To achieve the above object, the utility model provides the following technical scheme:

[0005] A kind of high-efficiency screening machine main structure, including screening support, base, pivot, vibration motor and vibration seat;Vibration seat is formed by metal plate welding, vibration seat is rotatably connected on base by pivot, the position close to four corners of vibration seat is connected with base by vibration unit, the face of vibration seat upwards is installed with screening support, and screening support is used to install screen;The surface of vibration seat is also installed with vibration motor.

[0006] As a further scheme of the utility model: the vibration unit includes support, guide rod A, vibration spring, movable sliding rail, guide rod B, fixed sliding rail, lower sliding block, adjusting screw and upper sliding block, movable sliding rail and fixed sliding rail are arranged in parallel, fixed sliding rail is fixedly connected inside base, lower sliding block is slidably connected on fixed sliding rail, the end of the two guide rods B is fixedly connected to the both ends of fixed sliding rail, guide rod B is vertically arranged, movable sliding rail is slidably connected on guide rod B, upper sliding block is slidably connected in the sliding slot of the middle part of movable sliding rail, the middle part of upper sliding block is provided with through hole and is rotatably connected with adjusting screw by bearing, the lower end of adjusting screw is threadedly connected with the threaded through hole of lower sliding block;The end of adjusting screw upwards is hexagonal and extends out of upper sliding block;Sliding through hole is formed in upper sliding block, one end of guide rod A is slidably connected in sliding through hole, the other end of guide rod A is fixedly connected with the bottom of support, and vibration spring is arranged between support and upper sliding block.

[0007] As a further scheme of the utility model: reset spring is arranged between lower sliding block and upper sliding block, reset spring is sleeved on the outside of adjusting screw, the reset elastic force of reset spring is used to make lower sliding block and upper sliding block tense.

[0008] As a further scheme of the utility model: the fixed shaft welded on the vibration seat is fixedly connected to the support.

[0009] Compared with the prior art, the utility model has the beneficial effects that: the utility model can adjust the vibration effect of the screening machine in addition to the frequency adjustment of the vibration motor, that is, the separation efficiency can be accelerated or delayed by adjusting the inclination angle; that is, by adjusting the mechanical structure, an adjustment mode of the screening mechanism for adjusting the screening efficiency is added. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a structural schematic view of the high-efficiency screening machine main body structure.

[0011] Fig. 2 It is a structural schematic view of the vibration unit in the high-efficiency screening machine main body structure. DETAILED DESCRIPTION

[0012] The technical schemes in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0013] Please refer to Figs. 1-2 In the embodiments of the utility model, a high-efficiency screening machine main body structure comprises a screening support 1, a base 5, a rotating shaft 6, a vibration motor 7 and a vibration seat 8.

[0014] The vibration seat 8 is formed by welding a metal plate, and the vibration seat 8 is rotatably connected to the base 5 through the rotating shaft 6. The vibration seat 8 is connected to the base 5 through vibration units near the four corners. The screening support 1 is installed on the upward face of the vibration seat 8, and the screening support 1 is used for installing a screen. The vibration motor 7 is also installed on the surface of the vibration seat 8, and the vibration effect is increased by energy storage through the vibration unit.

[0015] The vibration unit comprises a support 2, a guide rod A 3, a vibration spring 4, a movable slide rail 9, a guide rod B 10, a fixed slide rail 11, a lower sliding block 12, an adjusting screw 13, a reset spring 14 and an upper sliding block 15, the movable slide rail 9 and the fixed slide rail 11 are arranged in parallel, the fixed slide rail 11 is fixedly connected to the inside of the base 5, the lower sliding block 12 is slidably connected to the fixed slide rail 11, the two ends of the fixed slide rail 11 are fixedly connected to one end of the two guide rods B 10, the guide rod B 10 is vertically arranged, the movable slide rail 9 is slidably connected to the guide rod B 10, the upper sliding block 15 is slidably connected to the sliding groove in the middle of the movable slide rail 9, a through hole is formed in the middle of the upper sliding block 15, the adjusting screw 13 is rotatably connected to the upper sliding block 15 through a bearing, and the lower end of the adjusting screw 13 is threadedly connected to the threaded through hole formed in the lower sliding block 12; the upper end of the adjusting screw 13 protruding from the upper sliding block 15 is hexagonal, so that the distance between the upper sliding block 15 and the lower sliding block 12 can be manually adjusted by the adjusting screw.

[0016] The reset spring 14 is arranged between the lower sliding block 12 and the upper sliding block 15, the reset spring 14 is sleeved on the outside of the adjusting screw 13, and the reset spring 14 is taut between the lower sliding block 12 and the upper sliding block 15 through the reset elastic force of the reset spring 14.

[0017] A sliding through hole is formed in the upper sliding block 15, one end of the guide rod A 3 is slidably connected to the sliding through hole, the other end of the guide rod A 3 is fixedly connected to the bottom of the support 2, and the vibration spring 4 is arranged between the support 2 and the upper sliding block 15; the support 2 is fixedly connected to the fixed shaft welded on the vibration base 8.

[0018] The lower sliding block 12 and the upper sliding block 15 are metal pieces with sliding grooves formed on the surfaces, the sliding grooves are slidably arranged on the fixed slide rail 11 or the movable slide rail 9, and lubricating grease is applied between the sliding block and the rail during use.

[0019] During actual work, the adjusting screw 13 at the four corners is manually adjusted according to needs, and the inclination angle of the vibration base 8 can be adjusted by cooperating with a measuring tool; that is, the structure can adjust the screening effect on the basis of vibration frequency variation; the mechanism of the upper sliding block and the lower sliding block is convenient for adjusting the vibration base 8 to rotate around the rotating shaft, and the vibration unit can be relatively translated for fine adjustment.

[0020] The utility model can adjust the vibration effect of the screening machine in addition to the frequency adjustment of the vibration motor, that is, the separation efficiency can be accelerated or delayed by adjusting the inclination angle; that is, the adjustment mode of the mechanical structure is set, and a screening mechanism adjustment mode for adjusting the screening efficiency is added.

[0021] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A high efficiency screening machine main structure, comprising a screening frame (1), a base (5), a rotating shaft (6), a vibrating motor (7) and a vibrating seat (8), characterized in that The vibration seat (8) is formed by welding a metal plate, and the vibration seat (8) is rotatably connected to the base (5) through the rotating shaft (6). The vibration seat (8) is connected to the base (5) through the vibration units near the four corners. The upward face of the vibration seat (8) is provided with the screening support (1) for installing the screen.

2. The high efficiency screener body structure of claim 1, wherein, The vibration unit comprises a support (2), a guide rod A (3), a vibration spring (4), a movable slide rail (9), a guide rod B (10), a fixed slide rail (11), a lower sliding block (12), an adjusting screw (13) and an upper sliding block (15). The movable slide rail (9) and the fixed slide rail (11) are arranged in parallel. The fixed slide rail (11) is fixedly connected to the inside of the base (5). The lower sliding block (12) is slidably connected to the fixed slide rail (11). The two ends of the fixed slide rail (11) are fixedly connected to one end of the two guide rods B (10), which are vertically arranged. The movable slide rail (9) is slidably connected to the guide rod B (10). The upper sliding block (15) is slidably connected to the sliding groove in the middle of the movable slide rail (9). The middle part of the upper sliding block (15) is provided with a through hole, and the adjusting screw (13) is rotatably connected to the through hole through a bearing. The lower end of the adjusting screw (13) is threadedly connected to the threaded through hole in the lower sliding block (12). The upper end of the adjusting screw (13) is hexagonal and protrudes from the upper sliding block (15). The upper sliding block (15) is provided with a sliding through hole. One end of the guide rod A (3) is slidably connected to the sliding through hole. The other end of the guide rod A (3) is fixedly connected to the bottom of the support (2). The vibration spring (4) is arranged between the support (2) and the upper sliding block (15).

3. The high efficiency screening machine body structure of claim 2, wherein, The reset spring (14) is arranged between the lower sliding block (12) and the upper sliding block (15), and is sleeved on the outside of the adjusting screw (13). The reset spring (14) is tightly stretched between the lower sliding block (12) and the upper sliding block (15) through the reset elastic force of the reset spring (14).

4. The high efficiency sifter body structure according to claim 2 or 3, wherein, The support (2) is fixedly connected to the fixed shaft welded on the vibration seat (8).

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