CN205324144U - Multistage resilient mounting sieve separator of tilting - Google Patents

Abstract

The utility model discloses an inclined multi-stage flexible support screening machine, which comprises a frame, on which a filter sieve groove is installed, and the frame is provided with two A support beam, of the two support beams, the height of one of the support beams is higher than the height of the other support beam, and the filter screen groove is installed on the two support beams in an inclined shape , and the higher end of the filter sieve is provided with a hopper, and the lower end is provided with a discharge port; a flexible support spring is respectively provided between the support beam and the filter sieve; the frame There is also a vibration excitation mechanism for driving the vibration of the filter sieve; the filter sieve is provided with at least two layers of screens, and among the two adjacent layers of screens, the upper layer of the screen is The sieve hole is larger than the sieve hole of the lower layer of the sieve; and the filter sieve groove is provided with an installation and fixing structure corresponding to each layer of the sieve.

Description

Inclined multi-stage flexible support screening machine

technical field

The utility model relates to a screening machine, in particular to a flexible support screening machine.

Background technique

The main purpose of the screening machine is to screen granular substances. It is applicable to a wide range of industries, such as: chemical industry, ceramics, food, electronic industry, etc. The screening machine is used to filter and screen the raw materials in advance to facilitate the next processing procedure. Therefore, the application of the screening machine can be described as quite extensive. Although the existing screening machines can meet the screening requirements of granular materials to a certain extent, they often have the problems of low screening efficiency and high vibration noise. In addition, because the existing screening machine cannot realize continuous feeding and discharging, the amount of materials screened each time is limited. When the upper limit of screening materials is reached, it needs to be shut down to take out the materials before the screening operation can be performed again, resulting in low screening efficiency. , unable to meet the requirements of continuous production operations.

Contents of the invention

In view of this, the purpose of this utility model is to provide an inclined multi-stage flexible support screening machine, which can not only meet the requirements of continuous operation, but also perform multi-stage screening at one time according to the particle size requirements, and has high screening efficiency and low noise. low pros.

In order to achieve the above object, the utility model provides the following technical solutions:

An inclined multi-stage flexible support screening machine, including a frame, the frame is equipped with a filter screen slot, and the frame is provided with two supporting beams for respectively supporting the two ends of the filter screen slot , among the two supporting beams, the height of one of the supporting beams is higher than the height of the other supporting beam, and the filter sieve groove is installed on the two supporting beams in an oblique shape, and the The higher end of the filter sieve groove is provided with a feed hopper, and the lower end is provided with a discharge port; flexible support springs are respectively provided between the support beam and the filter sieve groove; There is a vibration excitation mechanism for driving the vibration of the filter screen slot; at least two layers of screens are arranged in the filter screen slot, and among the two adjacent layers of screens, the screen holes of the upper layer of screens are The sieve hole is larger than the sieve of the lower layer of the sieve; and the filter sieve groove is provided with an installation and fixing structure corresponding to each layer of the sieve.

Further, the vibration excitation mechanism includes an exciter installed under the filter sieve slot, and the vibrator includes an eccentric shaft and a vibrator that is rotatably fitted on the eccentric shaft and is in contact with the filter sieve slot. The transmission cover, and the vibration exciting mechanism further includes a driving mechanism for driving the eccentric shaft to rotate.

Further, the driving mechanism includes an excitation motor and a transition shaft connected to the vibration excitation motor, and a flexible connection mechanism is provided between the transition shaft and the eccentric shaft.

Further, the flexible connection mechanism includes a flexible connection belt arranged between the transition shaft and the eccentric shaft, and both ends of the flexible connection band are fixedly connected to the transition shaft and the eccentric shaft respectively.

Further, the frame is provided with a limiting mechanism located above the filter sieve trough and used to limit the longitudinal vibration displacement of the filter sieve trough.

Further, the installation and fixing structure includes a screen placement platform arranged between the two side walls of the filter sieve slot, and the screen placement platform is provided with positioning grooves for positioning the screen, and A positioning protrusion matched with the positioning groove is provided.

The beneficial effects of the utility model are:

The inclined multi-stage flexible support screening machine of the utility model installs the filter screen groove on the frame in an inclined shape, and installs the filter screen groove on the support beam with a flexible support spring, so that it is driven by a vibration excitation mechanism The vibration of the filter sieve can realize the high-frequency reciprocating vibration of the filter sieve under the action of the flexible support spring, and then realize the purpose of screening materials. Rigid collision occurs between the racks, which can reduce the noise; by setting multi-layer screens in the filter screen slot, the screening of materials with different particle sizes can be completed at one time by using multi-layer screens, and the materials can be screened according to The particle size is classified; after the material enters the filter sieve from the feed hopper, under the action of gravity, it continuously flows to the lower end of the filter sieve, and is automatically discharged from the discharge port when the screening is completed. In this way, you can To achieve the purpose of continuous screening.

Description of drawings

In order to make the purpose, technical solutions and beneficial effects of the utility model clearer, the utility model provides the following drawings for illustration:

Fig. 1 is the structural representation of the utility model inclined multistage flexible support screening machine embodiment;

Fig. 2 is the right view of Fig. 1;

Fig. 3 is a schematic diagram of the structure of the filter sieve tank.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

As shown in Fig. 1, it is a structural schematic diagram of an embodiment of the inclined multi-stage flexible support screening machine of the present invention. The inclined multi-stage flexible support screening machine of the present embodiment comprises a frame 1, on which a filter screen slot 2 is installed, and the frame 1 is provided with two supports for respectively supporting the two ends of the filter screen slot 2 Beam 3, among the two supporting beams 3, the height of one supporting beam 3 is higher than the height of the other supporting beam 3, and the filter sieve trough 2 is installed on the two supporting beams 3 in an oblique shape, and the filter sieve trough 2 A feed hopper 12 is provided at the higher end, and a discharge port 13 is provided at the lower end. Flexible supporting springs 4 are respectively arranged between the supporting beam 3 and the filtering screen groove 2 . The frame 1 is also provided with a vibration exciting mechanism for driving the vibration of the filter screen tank 2 . At least two layers of sieves 14 are arranged in the filter sieve tank 2. Among the adjacent two layers of sieves 14, the sieve hole of the sieve 14 on the top is greater than that of the sieve 14 on the bottom. sieve holes; and the filter sieve tank 2 is provided with an installation and fixing structure corresponding to each layer of the sieve. Three layers of screens 14 are arranged inside the filter screen tank 2 of this embodiment. Specifically, the installation and fixing structure includes a screen placement platform 15 arranged between the two side walls of the filter screen slot 2, and the screen placement platform 15 is provided with a positioning groove for positioning the screen 14, so The screen mesh 14 is provided with a positioning protrusion 16 matched with the positioning groove, which is convenient for installation and positioning.

The vibration excitation mechanism of this embodiment includes an exciter 5 installed below the filter sieve trough 2, the vibrator 5 includes an eccentric shaft 6 and a vibration transmission cover that is rotatably fitted on the eccentric shaft 6 and is in contact with the filter sieve trough 2 7, and the vibration excitation mechanism also includes a driving mechanism for driving the eccentric shaft 6 to rotate. The driving mechanism can be implemented in various ways. The driving mechanism in this embodiment includes an exciting motor 8 and a transitional shaft 9 connected to the exciting motor 8 . A flexible connection mechanism is provided between the transitional shaft 9 and the eccentric shaft 6 . The flexible connection mechanism of this embodiment includes a flexible connection belt 10 arranged between the transition shaft 9 and the eccentric shaft 6 , and the two ends of the flexible connection belt 10 are fixedly connected to the transition shaft 9 and the eccentric shaft 6 respectively. By using the flexible connecting belt 10 to connect the transition shaft 9 and the eccentric shaft 6, the vibration generated by the rotation of the eccentric shaft 6 can be filtered out and transmitted to the transition circumference 9, that is, the running stability of the driving mechanism can be ensured.

Further, the frame 1 is provided with a limiting mechanism 11 located above the filter sieve trough 2 and used to limit the longitudinal vibration displacement of the filter sieve trough 2 . The limit mechanism 11 is realized by two symmetrically arranged slanting plates, and the distance between the two sloping plates gradually decreases along the vertical downward direction.

The inclined multi-stage flexible support screening machine of this embodiment installs the filter screen slot on the frame in an inclined shape, and installs the filter screen slot on the support beam with a flexible support spring, so that it is driven by a vibration excitation mechanism The vibration of the filter sieve can realize the high-frequency reciprocating vibration of the filter sieve under the action of the flexible support spring, and then realize the purpose of screening materials. Rigid collision occurs between the racks, which can reduce the noise; by setting multi-layer screens in the filter screen slot, the screening of materials with different particle sizes can be completed at one time by using multi-layer screens, and the materials can be screened according to The particle size is classified; after the material enters the filter sieve from the feed hopper, under the action of gravity, it continuously flows to the lower end of the filter sieve, and is automatically discharged from the discharge port when the screening is completed. In this way, you can To achieve the purpose of continuous screening.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (6)

1. a tilting Multi-stage flexible supports screening machine, it is characterized in that: include frame, described frame is installed and is provided with sieves groove, and described frame is provided with and supports crossbeams for be respectively supported at described sieves groove two ends two, in two described support crossbeams, wherein a horizontal depth of beam of described support supports horizontal depth of beam higher than described in another root, the described inclined shape of sieves groove is arranged on two described support crossbeams, and the higher one end of described sieves groove is provided with feed hopper, relatively low one end is provided with discharging opening；It is respectively equipped with flexible support spring between described support crossbeam and described sieves groove；Described frame is additionally provided with the vibrational excitation mechanism for driving described sieves groove to vibrate；Being provided with at least two-layer screen cloth in described sieves groove, in screen cloth described in adjacent two layers, the sieve aperture of one layer of described screen cloth above is more than the sieve aperture of the one layer of described screen cloth being positioned below；And it is correspondingly provided with installation fixed structure with the described screen cloth of each layer in described sieves groove。

2. tilting Multi-stage flexible according to claim 1 supports screening machine, it is characterized in that: described vibrational excitation mechanism includes being arranged on the vibrator below described sieves groove, described vibrator includes eccentric shaft and is sleeved on rotatable engagement on described eccentric shaft and contacts the vibration transmission cover coordinated with described sieves groove, and described vibrational excitation mechanism also includes the driving mechanism for driving described eccentric shaft to rotate。

3. tilting Multi-stage flexible according to claim 2 supports screening machine, it is characterized in that: described driving mechanism includes shock electric machine and the transition rotating shaft being in transmission connection with described shock electric machine, is provided with flexible linking device between described transition rotating shaft and described eccentric shaft。

4. tilting Multi-stage flexible according to claim 3 supports screening machine, it is characterized in that: described flexible linking device includes the flexible link belt being arranged between described transition rotating shaft and described eccentric shaft, the two ends of described flexible link belt are respectively at the fixing connection of described transition rotating shaft and eccentric shaft。

5. tilting Multi-stage flexible according to claim 1 supports screening machine, it is characterised in that: described frame is provided with above described sieves groove and for the position-limit mechanism of spacing described sieves groove extensional vibration displacement。

6. the tilting Multi-stage flexible according to any one of claim 1-5 supports screening machine, it is characterized in that: described installation fixed structure includes the screen cloth placement platform being arranged between described sieves groove two side, and described screen cloth placement platform is provided with the locating slot for positioning described screen cloth, described screen cloth is provided with the positioning convex coordinated with described locating slot。