CN214718239U

CN214718239U - Square swinging screen

Info

Publication number: CN214718239U
Application number: CN202120064483.7U
Authority: CN
Inventors: 郑玉军; 郭良义; 郭坤; 苗长彬
Original assignee: Xinxiang Xianfeng Vibration Machinery Co ltd
Current assignee: Xinxiang Xianfeng Vibration Machinery Co ltd
Priority date: 2021-01-12
Filing date: 2021-01-12
Publication date: 2021-11-16
Anticipated expiration: 2031-01-12

Abstract

A square swing sieve comprises a fixing frame and a sieve box hung on the fixing frame, wherein two sides of the sieve box are connected with the fixing frame through two universal connecting shafts respectively; the vibration exciter includes the casing through mounting bracket fixed connection in the drive storehouse, rotates through the bearing in the casing to be connected with the center pin, and driven pulleys is installed to the tip under the center pin, and upper balance weight and lower balance weight are installed through the mounting panel respectively to center pin upper portion and lower part, and upper balance weight and lower balance weight correspond the series connection by a plurality of slice pieces and install on the mounting panel through the construction bolt. The utility model discloses compact structure, simple operation, defeated material efficient, the vibration is steady, the screening is effectual, screening efficiency is high.

Description

Square swinging screen

Technical Field

The utility model belongs to the technical field of the sieve that sways, especially, relate to a square sieve that sways.

Background

The artificial design-simulated principle of the swing screen is a high-efficiency screening machine specially designed for meeting the requirements of screening with large yield and high precision. The swing sieve is widely applied to the industries of chemistry, food and spice, plastics, mining industry, medicine, wood industry, plywood, metallurgy, rubber, feed, chemical fertilizer, sugar salt and regeneration. The square swing screen is common screening equipment and has the advantages of high screening precision and high yield. The existing oscillating screen has the defects that in the using process, the vibration is not stable enough, the screening effect is influenced, the stress of a vibration exciter is unbalanced, the abrasion is serious, the conveying efficiency is low, and the existing screening requirement cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the weak point among the prior art, provide a compact structure, simple operation, defeated material efficient, the vibration is steady, sieve effectual, the square sieve that sways that screening efficiency is high.

In order to solve the technical problem, the utility model adopts the following technical scheme: a square swing sieve comprises a fixed frame and a sieve box hung on the fixed frame, wherein two sides of the sieve box are connected with the fixed frame through two universal connecting shafts respectively; the vibration exciter includes the casing through mounting bracket fixed connection in the drive storehouse, rotate through the bearing in the casing and be connected with the center pin, the driven pulleys is installed to the tip under the center pin, center pin upper portion and lower part are installed upper balance weight and lower balancing weight through the mounting panel respectively, upper balance weight and lower balancing weight lie in both sides and symmetry setting about the casing, upper balance weight and lower balancing weight structure are the same with weight, upper balance weight and lower balancing weight correspond the series connection by a plurality of slice pieces and install on the mounting panel through construction bolt.

The upper-layer screening subassembly and the lower-layer screening subassembly respectively comprise at least two layers of obliquely arranged screens, the screens on the same layer in the upper-layer screening subassembly and the lower-layer screening subassembly correspond to each other, the other side of the screen box is respectively and fixedly connected with discharge hoppers communicated with the screens, each discharge hopper is respectively provided with a discharge hole, and the discharge holes corresponding to the screens on the same layer in the upper-layer screening subassembly and the lower-layer screening subassembly are communicated through corrugated hoses.

The driving assembly comprises a driving motor arranged on the side wall of the screen box, a driving belt wheel is arranged on a power output shaft of the driving motor, and the driving belt wheel is in transmission connection with the driven belt wheel through a belt.

Divide the material subassembly to include the branch workbin of fixed connection at sieve case lateral part, divide workbin top flange joint to have the feeding case, the feed inlet has been seted up at feeding case top, fixedly connected with toper feeder hopper in the feed inlet, the feeding bottom of the case portion has been seted up respectively with upper screen subassembly and the corresponding branch material mouth of lower floor's screening subassembly, divide the material mouth to be linked together through the passage respectively between upper screen subassembly and the lower floor's screening subassembly.

The upper screen assembly and the lower screen assembly each include five screens.

And a plurality of reinforcing blocks are fixedly connected between the mounting frame and the shell along the circumferential direction.

By adopting the technical scheme, when the material conveying device works and is used, materials to be screened are guided in from the feed inlet of the feed box, fall through the conical feed hopper and pass through the material distribution ports, and are respectively guided into the upper-layer screening subassembly and the lower-layer screening subassembly through the guide pipes, and the material conveying device realizes that the materials are simultaneously conveyed into the upper-layer screening subassembly and the lower-layer screening subassembly by adopting one feed inlet through the material distribution subassembly, so that the material conveying efficiency is greatly improved; the vibration exciter adopts an upper balancing weight and a lower balancing weight to form double-layer eccentric vibration, and a central shaft drives the upper balancing weight and the lower balancing weight to synchronously rotate so as to generate vibration, thereby greatly dispersing the acting force of the balancing weights on the central shaft, greatly improving the stability of operation, simultaneously reducing the abrasion of a bearing on the central shaft and prolonging the service life of the bearing; under the action of a vibration exciter, materials entering the upper-layer screen subassembly and the lower-layer screen subassembly are subjected to vibration screening, the screened materials enter the discharge hopper, the discharge holes corresponding to the same-layer screen mesh in the upper-layer screen subassembly and the lower-layer screen subassembly are communicated through corrugated hoses, and therefore the materials screened by the same-layer screen subassembly and the lower-layer screen subassembly are discharged together after being collected.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the vibration exciter of the present invention.

Detailed Description

As shown in fig. 1-2, the utility model discloses a square swinging screen, including mount 1 and sieve case 2 of hanging on mount 1, connect through two universal connecting axles 3 respectively between sieve case 2 both sides and the mount 1, sieve case 2 upper portion is provided with upper sieve subassembly 4, sieve case 2 lower part is provided with lower floor's screening subassembly 5, sieve case 2 middle part is seted up and is located the drive storehouse 6 between upper sieve subassembly 4 and lower floor's screening subassembly 5, be provided with the vibration exciter in the drive storehouse 6, sieve case 2 middle part lateral wall is provided with the drive assembly who is used for driving the vibration exciter, sieve case 2 one side is provided with the branch material subassembly, the branch material subassembly is linked together with upper sieve subassembly 4 and lower floor's screening subassembly 5 respectively; the vibration exciter comprises a shell body 8 fixedly connected in a driving bin 6 through a mounting frame 7, a plurality of reinforcing blocks 9 are fixedly connected between the mounting frame 7 and the shell body 8 along the circumferential direction, a central shaft 11 is rotatably connected in the shell body 8 through a bearing 10, a driven belt wheel 12 is installed at the lower end part of the central shaft 11, an upper balancing weight 14 and a lower balancing weight 15 are respectively installed at the upper part and the lower part of the central shaft 11 through mounting plates 13, the upper balancing weight 14 and the lower balancing weight 15 are positioned at the upper side and the lower side of the shell body 8 and are symmetrically arranged, the upper balancing weight 14 and the lower balancing weight 15 are identical in structure and weight, and the upper balancing weight 14 and the lower balancing weight 15 are installed on the mounting plates 13 through a plurality of sheet-shaped blocks in corresponding series connection through mounting bolts 16; the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 respectively comprise five layers of obliquely arranged screens, every two screens positioned on the same layer in the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 correspond to each other, the other side of the screen box 2 is respectively and fixedly connected with a discharge hopper 17 communicated with each screen, each discharge hopper 17 is respectively provided with a discharge port 18, and the discharge ports 18 corresponding to the screens positioned on the same layer in the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 are communicated through a corrugated hose 19; the driving assembly comprises a driving motor 20 arranged on the side wall of the screen box 2, a driving belt wheel 21 is arranged on a power output shaft of the driving motor 20, and the driving belt wheel 21 is in transmission connection with the driven belt wheel 12 through a belt; divide the material subassembly including fixed connection at the branch workbin 22 of sieve case 2 lateral part, divide workbin 22 top flange joint to have a feeding case 23, feeding case 23 top has seted up feed inlet 24, fixedly connected with toper feeder hopper 25 in the feed inlet 24, feeding case 23 bottom has seted up respectively with upper screen subassembly 4 and lower floor's screening subassembly 5 corresponding material distributing opening 26, divide the material distributing opening 26 and be linked together through passage 27 between upper screen subassembly 4 and the lower floor's screening subassembly 5 respectively.

When the utility model is used, the material to be screened is guided in from the feed inlet 24 of the feed box 23, falls through the conical feed hopper 25 and passes through the material distribution openings 26, and is guided in to the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 by the material guide pipes 27, the utility model realizes that the material is simultaneously conveyed to the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 by adopting one feed inlet 24 through the material distribution subassembly, thereby greatly improving the material conveying efficiency; the driving motor 20 is controlled to drive the vibration exciter to operate through the belt transmission of the driving belt wheel 21 and the driven belt wheel 12, the vibration exciter adopts the upper balancing weight 14 and the lower balancing weight 15 to form double-layer eccentric vibration, the central shaft 11 drives the upper balancing weight 14 and the lower balancing weight 15 to synchronously rotate, so that vibration is generated, the acting force of the balancing weights on the central shaft 11 is greatly dispersed, the operation stability is greatly improved, meanwhile, the abrasion of the bearing 10 on the central shaft 11 is reduced, and the service life of the vibration exciter is prolonged; under the action of a vibration exciter, materials entering the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 are subjected to vibration screening, the screened materials enter the discharge hopper 17, discharge ports 18, corresponding to the same-layer screen mesh, in the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 are communicated through corrugated hoses 19, and therefore the materials screened by the same-layer screening of the upper-layer screening subassembly 4 and the lower-layer screening subassembly 5 are collected and discharged together.

The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any form, and all of the technical matters of the present invention belong to the protection scope of the present invention to any simple modification, equivalent change and modification made by the above embodiments.

Claims

1. A square swinging screen is characterized in that: the screen box comprises a fixed frame and a screen box hung on the fixed frame, wherein two sides of the screen box are connected with the fixed frame through two universal connecting shafts respectively, an upper-layer screen subassembly is arranged at the upper part of the screen box, a lower-layer screening assembly is arranged at the lower part of the screen box, a driving bin positioned between the upper-layer screen subassembly and the lower-layer screening assembly is arranged in the middle of the screen box, a vibration exciter is arranged in the driving bin, a driving assembly used for driving the vibration exciter is arranged on the side wall of the middle part of the screen box, a material distributing assembly is arranged at one side of the screen box, and the material distributing assembly is communicated with the upper-layer screen subassembly and the lower-layer screening assembly respectively; the vibration exciter includes the casing through mounting bracket fixed connection in the drive storehouse, rotate through the bearing in the casing and be connected with the center pin, the driven pulleys is installed to the tip under the center pin, center pin upper portion and lower part are installed upper balance weight and lower balancing weight through the mounting panel respectively, upper balance weight and lower balancing weight lie in both sides and symmetry setting about the casing, upper balance weight and lower balancing weight structure are the same with weight, upper balance weight and lower balancing weight correspond the series connection by a plurality of slice pieces and install on the mounting panel through construction bolt.

2. The square shaker as in claim 1, wherein: the upper-layer screening subassembly and the lower-layer screening subassembly respectively comprise at least two layers of obliquely arranged screens, the screens on the same layer in the upper-layer screening subassembly and the lower-layer screening subassembly correspond to each other, the other side of the screen box is respectively and fixedly connected with discharge hoppers communicated with the screens, each discharge hopper is respectively provided with a discharge hole, and the discharge holes corresponding to the screens on the same layer in the upper-layer screening subassembly and the lower-layer screening subassembly are communicated through corrugated hoses.

3. The square shaker of claim 2, wherein: the driving assembly comprises a driving motor arranged on the side wall of the screen box, a driving belt wheel is arranged on a power output shaft of the driving motor, and the driving belt wheel is in transmission connection with the driven belt wheel through a belt.

4. The square shaker of claim 3, wherein: divide the material subassembly to include the branch workbin of fixed connection at sieve case lateral part, divide workbin top flange joint to have the feeding case, the feed inlet has been seted up at feeding case top, fixedly connected with toper feeder hopper in the feed inlet, the feeding bottom of the case portion has been seted up respectively with upper screen subassembly and the corresponding branch material mouth of lower floor's screening subassembly, divide the material mouth to be linked together through the passage respectively between upper screen subassembly and the lower floor's screening subassembly.

5. The square shaker of claim 2, wherein: the upper screen assembly and the lower screen assembly each include five screens.

6. The square shaker as in claim 1, wherein: and a plurality of reinforcing blocks are fixedly connected between the mounting frame and the shell along the circumferential direction.