CN213792684U

CN213792684U - Compound double mass vibration screening equipment

Info

Publication number: CN213792684U
Application number: CN202022002774.1U
Authority: CN
Inventors: 丁作良; 秦晓勇; 李博
Original assignee: Xinxiang Green Machinery Co ltd
Current assignee: Xinxiang Green Machinery Co ltd
Priority date: 2020-09-14
Filing date: 2020-09-14
Publication date: 2021-07-27
Anticipated expiration: 2030-09-14

Abstract

The utility model discloses a compound two plastid vibration screening equipment, including the sieve case, set up the vibration exciter on the sieve case and set up in sieve incasement portion's at least one deck rigidity screening layer and one deck elastic screen layer, elastic screen installs on the floating frame crossbeam and the screen frame crossbeam that multiunit parallel and set up in turn in the elastic screening layer, wherein screen frame crossbeam both ends respectively with the sieve case curb plate fixed connection of relative setting, floating frame crossbeam both ends run through the sieve case curb plate of relative setting respectively and with the floating frame fixed connection in the sieve case outside, floating frame crossbeam and the horizontal relaxation of sieve screen cloth of sieve case curb plate clearance fit in order to realize the floating frame crossbeam drive, the floating frame is cuted spring and sieve case curb plate fixed connection through multiunit rubber. The utility model discloses can conveniently realize vibration screening function and relaxation screening function, not increase extra power device, effectively solve the easy problem of blockking up of bottom screen cloth, promote screening efficiency and screening function to the energy consumption is lower, has good use value in relevant trade.

Description

Compound double mass vibration screening equipment

Technical Field

The utility model belongs to the technical field of mineral classification's vibration screening equipment, concretely relates to compound two plastid vibration screening equipment.

Background

The vibrating screen has good sealing performance, less dust overflow, less energy consumption, low noise and long service life, can better meet the environmental protection requirement, and is widely applied to the fields of mines, coal, smelting, building materials, chemical industry and the like. The vibrating screen is often in a multilayer structure, the particles of the screen material which are closer to the bottom layer are smaller, the holes of the screen are also smaller, so that the screen of the bottom layer can be blocked, the screening efficiency is reduced to a certain extent, and meanwhile, the excessive accumulation of the material can cause the structural damage of the vibrating screen, which is more easily caused particularly when the water content in the material is large.

Disclosure of Invention

The utility model provides a technical problem provide a simple structure and reasonable in design's compound two plastid vibration screening equipment, this vibration screening equipment can effectively promote the screening efficiency of bottom screen cloth, and the prevention screen cloth blocks up, and the power consumption is lower and the reliability has also obtained the promotion.

The utility model adopts the following technical proposal for solving the technical problems, a composite double-mass vibration screening device which is characterized by comprising a screen box, a vibration exciter arranged on the screen box, and at least one rigid screening layer and one elastic screening layer arranged inside the screen box, wherein the rigid screening layer is arranged on a plurality of groups of screen body beams arranged in parallel, and two ends of the screen body beams are respectively and fixedly connected with screen box side plates arranged oppositely, the elastic screening layer is arranged on a plurality of groups of floating frame beams and screen body beams arranged in parallel and alternately, wherein two ends of the screen body beams are respectively and fixedly connected with the screen box side plates arranged oppositely, two ends of the floating frame beams respectively penetrate through the screen box side plates arranged oppositely and are fixedly connected with a floating frame outside the screen box, the floating frame beams and the screen box side plates are in clearance fit to realize that the floating frame beams drive the elastic screening layer to transversely stretch, the floating frame is fixedly connected with the side plate of the screen box through a plurality of groups of rubber shearing springs.

Further inject, the number of vibration exciter is the even number, and two liang of relative settings of this vibration exciter just are fixed in the top of sieve case curb plate after connecting through the excitation crossbeam, and the resultant force of multiunit vibration exciter passes through the screen frame barycenter.

Further, the number of the rigid screening layers is 1-5, preferably 3.

Further defined, the elastic screening layer is arranged on the bottom layer or the middle layer of the screen box, and preferably on the bottom layer of the screen box.

Further inject, the outside of sieve case curb plate is equipped with spring support, and the sieve case is fixed in on the sieve case support through installing the damping spring on spring support.

Further limiting, the elastic screen is made of polyurethane materials, and the elastic screen completes relaxation movement in the screen body throwing movement process, so that material blockage of the elastic screen at the bottom layer is effectively prevented.

Further inject, elastic screen is formed by polylith elastic screen unit connection, all be equipped with an elastic screen unit between adjacent floating frame crossbeam and the sieve case crossbeam in the elastic screening layer, both ends are equipped with the coupling hook respectively around each elastic screen unit, floating frame crossbeam is equipped with the positioning slot who matches with the coupling hook respectively with sieve case crossbeam upper portion, both ends are respectively in adjacent floating frame crossbeam and sieve case crossbeam upper portion positioning slot through the coupling hook joint around each elastic screen unit, and then can realize convenient and fast ground change elastic screen.

Compared with the prior art, the utility model following beneficial effect has: the utility model discloses effectively solved shale shaker bottom screen cloth and probably taken place to block up, reduced screening efficiency to and the material transition is piled up and can be caused shale shaker structural failure scheduling problem, does not change the function of former shale shaker, can effectively save space simultaneously, simple structure, and the processing production process is simple, easily realizes easy dismounting. The utility model discloses can conveniently realize vibration screening function and relaxation screening function, not increase extra power device, effectively solve the easy problem of blockking up of bottom screen cloth, promote screening efficiency and screening function to the energy consumption is lower, has good use value in relevant trade.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the structure of the resilient screen layer of the present invention;

FIG. 3 is a schematic structural view of the junction between the middle floating frame and the side plate of the screen box;

fig. 4 is a schematic structural view of the joint of the middle elastic screen and the floating frame beam of the present invention.

In the figure: 1-excitation beam, 2-vibration exciter, 3-screen box side plate, 4-spring support, 5-floating frame, 6-rubber shearing spring, 7-elastic screen, 8-screen body beam, 9-rigid screen, 10-floating frame beam, 11-bolt assembly, 12-positioning clamping groove and 13-connecting hook.

Detailed Description

The technical scheme of the utility model is described in detail with the attached drawings, a composite double-mass vibration screening device comprises a screen box, a vibration exciter 2 arranged on the screen box, and three layers of rigid screening layers and one layer of elastic screening layer which are arranged inside the screen box from top to bottom in sequence, wherein a rigid screen 9 in the rigid screening layers is arranged on a plurality of groups of parallel screen body cross beams 8, two ends of each screen body cross beam 8 are respectively and fixedly connected with opposite screen box side plates 3, an elastic screen 7 in the elastic screening layers is arranged on a plurality of groups of parallel and alternately arranged floating frame cross beams 10 and screen body cross beams 8, two ends of each screen body cross beam 8 are respectively and fixedly connected with opposite screen box side plates 3, two ends of each floating frame cross beam 10 respectively penetrate through the opposite screen box side plates 3 and are fixedly connected with a floating frame 5 outside the screen box, the floating frame cross beams 10 and the screen box side plates 3 are in clearance fit to realize that the floating frame cross beams 10 drive the elastic screen cloth 7 to transversely stretch, the floating frame 5 is fixedly connected with the screen box side plate 3 through a plurality of groups of rubber shearing springs 6, so that relative motion is generated between the screen body and the floating frame 5 when the screen body is thrown and vibrated, the relaxation motion of the bottom spring screen 7 is realized, and larger throwing acceleration is generated.

The number of vibration exciter 2 is four, and two liang of relative settings of this vibration exciter 2 just are connected the back through excitation crossbeam 1 and are fixed in the top of sieve case curb plate 3 to make the resultant force of four group's vibration exciters 2 pass through the screen frame barycenter.

The outside of sieve case curb plate 3 is equipped with spring support 4, and the sieve case is fixed in on the sieve case support through installing damping spring on spring support 4.

Elastic screen 7 adopts the preparation of polyurethane material to form, and elastic screen 7 of this material has certain flexibility, accomplishes the relaxation motion at the screen frame throwing motion in-process, and then effectively prevents 7 material clogging of bottom elastic screen, promotes efficiency such as its classification, dehydration.

Elastic screen 7 is formed by polylith elastic screen cloth unit connection, all be equipped with an elastic screen cloth unit between adjacent floating frame crossbeam 10 in the elastic screening layer and sieve case crossbeam 8, both ends are equipped with coupling hook 13 respectively around each elastic screen cloth unit, floating frame crossbeam 10 is equipped with the positioning channel section 12 who matches with coupling hook 13 respectively with sieve case crossbeam 8 upper portion, both ends are respectively in the draw-in groove on adjacent floating frame crossbeam and sieve case crossbeam upper portion through the couple joint around each elastic screen cloth unit, and then can realize convenient and fast ground change elastic screen cloth.

The utility model discloses a concrete use does: the utility model discloses a compound two plastid vibratory screening equipment adopts the structural style that two plastid vibratory motion and relaxation motion combine together, bottom alternate floating frame crossbeam 10 both ends adopt bolt assembly 11 fixed connection with floating frame 5, bottom alternate screen frame crossbeam 8 both ends weld the tip flange respectively and this tip flange is fixed in on screen box curb plate 3 through bolt assembly 11, adopt multiunit rubber shear spring 6 to connect between floating frame 5 and the motion screen frame, namely the both ends of multiunit rubber shear spring 6 are respectively through bolt assembly 11 and floating frame 5 and screen box curb plate 3 fixed connection, when two plastid relative motion, arbitrary two adjacent floating frame crossbeams 10 and screen frame crossbeam 8 are close to from time to time, keep away from time to time, the elastic screen 7 on floating frame crossbeam 10 and screen frame crossbeam 8 also is in corresponding relaxation state, greatly increased the vibration intensity of elastic screen 7, thereby the sieve mesh jam phenomenon of elastic screen 7 has been overcome effectively, the processing capacity of the screening machine is remarkably improved. The utility model discloses can conveniently realize vibration screening function and relaxation screening function, not increase extra power device, effectively solve the problem that shale shaker bottom layer elastic screen 7 blockked up easily, promote the screening efficiency and the screening function of shale shaker, the energy consumption is lower, has good use value and popularization and application prospect in relevant trade.

The foregoing shows and describes the general principles of the present invention, with its principal features and advantages, and further, various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A composite double-mass vibrating screening device is characterized by comprising a screen box, a vibration exciter arranged on the screen box, and at least one rigid screening layer and one elastic screening layer which are arranged in the screen box, wherein rigid screen meshes in the rigid screening layer are arranged on a plurality of groups of screen body cross beams which are arranged in parallel, two ends of each screen body cross beam are respectively and fixedly connected with screen box side plates which are arranged oppositely, elastic screen meshes in the elastic screening layer are arranged on a plurality of groups of floating frame cross beams and screen body cross beams which are arranged in parallel and alternately, wherein screen frame crossbeam both ends respectively with relative sieve case curb plate fixed connection that sets up, floating frame crossbeam both ends run through respectively relative sieve case curb plate that sets up and with the floating frame fixed connection in the sieve case outside, floating frame crossbeam and sieve case curb plate clearance fit are in order to realize that the floating frame crossbeam drives the transverse relaxation of elastic screen, and floating frame passes through multiunit rubber shear spring and sieve case curb plate fixed connection.

2. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the number of vibration exciters is the even number, and two liang of relative settings of this vibration exciters just are fixed in the top of sieve case curb plate after connecting through the excitation crossbeam, and the resultant force of multiunit vibration exciters passes through the screen frame barycenter.

3. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the number of layers of the rigid screening layer is 1-5.

4. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the number of layers of the rigid screening layer is 3.

5. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the elastic screening layer is arranged at the bottom layer or the middle layer of the screen box.

6. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the outside of sieve case curb plate is equipped with spring support, and the sieve case is fixed in on the sieve case support through installing damping spring on spring support.

7. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: the elastic screen is made of polyurethane materials, and the elastic screen completes relaxation movement in the screen body throwing movement process, so that material blockage of the elastic screen at the bottom layer is effectively prevented.

8. A composite double mass vibratory screening apparatus as set forth in claim 1 wherein: elastic screen is formed by polylith elastic screen unit connection, all is equipped with an elastic screen unit between adjacent floating frame crossbeam and the sieve case crossbeam in the elastic screen layer, both ends are equipped with the coupling hook respectively around each elastic screen unit, floating frame crossbeam is equipped with the positioning channel who matches with the coupling hook respectively with sieve case crossbeam upper portion, both ends are in the positioning channel who is adjacent floating frame crossbeam and sieve case crossbeam upper portion through the coupling hook joint respectively around each elastic screen unit, and then can realize convenient and fast ground change elastic screen.