CN212143397U

CN212143397U - Grading broken stone screening machine

Info

Publication number: CN212143397U
Application number: CN202020585563.2U
Authority: CN
Inventors: 宋林; 刘广; 李成意
Original assignee: CCCC Tunnel Engineering Co Ltd
Current assignee: CCCC Tunnel Engineering Co Ltd
Priority date: 2020-04-17
Filing date: 2020-04-17
Publication date: 2020-12-15
Anticipated expiration: 2030-04-17

Abstract

The utility model discloses a graded broken stone screening machine, including the sieve case that is used for supporting the bottom frame of screening machine and is located bottom frame top, the reel is installed to the interior bottom surface of sieve case, and the screen cloth that is used for screening the rubble is installed on the top of reel, two sets of unloading funnels have been seted up to the bottom surface of sieve case, and two sets of vibrating motors that are used for driving the vibration of sieve case are installed to the outer wall of unloading funnel. A graded broken stone screening machine, by sieve case, reel, screen cloth, vibrating motor, support stand constitute, have simple structure, longe-lived, consumption of power is less, portable, characteristics that equipment cost and use cost are low accord with that structural design is suitable for, economy, safety, pleasing to the eye principle, can in time sieve conveniently and appear the available metalling in the field, can fully guarantee the construction progress, can effectively solve the contradiction of the metalling supply difficulty in mountain forest area, have the meaning of reference in the engineering application of the same kind.

Description

Grading broken stone screening machine

Technical Field

The utility model relates to a screening machine field, in particular to graded broken stone screening machine.

Background

The graded broken stone automatic screening machine is arranged on a construction site, and after stone excavation blasting, the broken stone particle size screening work can be directly carried out, so that large-particle-size broken stones generated when the graded broken stones are directly mixed in the prior art are avoided, and the rationality and the normalization of the mixing ratio of the graded broken stone cushion layer are further ensured, but from the two aspects of construction process and economic benefit, it is very important to control the particle size of the raw material of the graded broken stones when the graded broken stone cushion layer construction is carried out by utilizing the site stones;

there are three main types of stone crushing screening machines currently appearing in the industry: the first is that the fixed screen is composed of a plurality of screen bars which are arranged in parallel, the screening machine has low productivity and low screening efficiency which are only 50-60% generally and can not meet the requirement of construction progress; the second type is that the drum screen is formed by combining a special drum and a base, and the screening machine has the advantages of easy blocking and deformation of screen holes, low screening efficiency, small working area and low production rate, and does not accord with the actual situation on site; the third type is that the vibrating screen is composed of a high-frequency vibrating motor, a first-stage fixed grid screen, a second-stage fixed grid screen, a vibrating spring and a casing, and the screening machine is complex in structure, poor in working stability, difficult to adjust, large in maintenance amount and not suitable for construction sites.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a graded broken stone screening machine can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a graded broken stone screening machine, is including the bottom frame that is used for supporting the screening machine and the sieve case that is located bottom frame top, the reel is installed to the interior bottom surface of sieve case, and the screen cloth that is used for screening the rubble is installed on the top of reel, two sets of unloading funnels have been seted up to the bottom surface of sieve case, and two sets of vibrating motors that are used for driving the vibration of sieve case are installed to the outer wall of unloading funnel.

Preferably, three groups of support stand columns which are symmetrical front and back are installed on the outer surface of the top end of the bottom frame, and the top ends of the six groups of support stand columns are connected with the bottom end of the screen box through springs.

Preferably, the screen frame comprises six groups of transverse rods which are longitudinally distributed at equal intervals and longitudinal rods which are transversely welded at the top ends of the transverse rods at equal intervals.

Preferably, three groups of wheels are symmetrically arranged on the outer surface of the bottom end of the bottom frame in front and back directions.

Preferably, the two groups of vibrating motors arranged on the outer side of the left discharging hopper are staggered with each other, and the two groups of vibrating motors arranged on the outer side of the right discharging hopper are located on the same axis.

Preferably, the left side of the screen box is provided with a notch, the left side of the screen mesh is coincided with the left side of the inner bottom surface of the screen box, and the right side of the screen mesh is lower than the inner bottom surface of the screen box.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses automatic screening machine of graded rubble comprises sieve case, reel, screen cloth, vibrating motor, support stand, has simple structure, and is longe-lived, and power consumption is less, and is portable, and equipment cost and use cost are low characteristic, accords with that structural design is suitable for, economy, safety, pleasing to the eye principle, can in time sieve the available rubble material in appearance conveniently, can fully guarantee the construction progress, can effectively solve the contradiction of mountain forest area rubble material supply difficulty, has the meaning of reference in the engineering application of the same kind.

Drawings

FIG. 1 is a schematic view of the entire structure of a graded broken stone screening machine of the present invention;

FIG. 2 is a structural diagram of a screen frame of the graded broken stone screening machine of the utility model;

FIG. 3 is a cross-sectional view of the entire graded broken stone screening machine of the present invention;

FIG. 4 is a longitudinal sectional view of the left discharge hopper of the graded broken stone screening machine of the present invention;

figure 5 is the utility model discloses a longitudinal section picture of right side unloading funnel position in gradation rubble screening machine.

In the figure: 1. a bottom frame; 2. a bracket upright post; 3. a screen box; 4. a cross bar; 5. a longitudinal bar; 6. screening a screen; 7. a vibration motor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Referring to fig. 1-5, a graded broken stone screening machine, includes bottom frame 1 and the sieve case 3 that is located bottom frame 1 top that is used for supporting the screening machine, and the reel is installed to the interior bottom surface of sieve case 3, and the screen cloth 6 that is used for sieving the broken stone is installed on the top of reel, and two sets of unloading funnels have been seted up to the bottom surface of sieve case 3, and two sets of vibrating motor 7 that are used for driving sieve case 3 vibration are installed to the outer wall of unloading funnel.

Referring to fig. 1, three sets of support columns 2 which are symmetrical front and back are mounted on the outer surface of the top end of a bottom frame 1, and the top ends of the six sets of support columns 2 are connected with the bottom end of a screen box 3 through springs.

Referring to fig. 3, the screen frame includes six sets of transverse rods 4 longitudinally and equally spaced and longitudinal rods 5 welded transversely to the top ends of the transverse rods 4 at equal intervals.

Referring to fig. 1, three sets of wheels are symmetrically installed on the front and back of the outer surface of the bottom end of the bottom frame 1.

Referring to fig. 4 and 5, the two sets of vibration motors 7 installed outside the left discharging hopper are offset from each other (i.e., not at the same level), and the two sets of vibration motors 7 installed outside the right discharging hopper are located on the same axis (i.e., at the same level).

Referring to fig. 3, a notch is formed in the left side of the screen box 3, the left side of the screen 6 coincides with the left side of the inner bottom surface of the screen box 3, and the right side of the screen 6 is lower than the inner bottom surface of the screen box 3.

The automatic grading crushed stone screening machine is assembled and comprises a screen box 3, a screen frame, a screen 6, a vibrating motor 7 and a support upright post 2, and can be assembled by manufacturers or assembled on site by self, the screen box 3 is formed by welding cold-rolled stainless steel plates with the thickness of 4mm and has certain strength and rigidity, the screen frame comprises six transverse groups of cross rods 4 (phi 12@600 deformed steel, the length of 3.6m and the weight of 8kg) and five longitudinal groups of longitudinal rods 5 (phi 22@375 deformed steel, the length of 12m and the weight of 44.7kg), and the longitudinal and transverse deformed steel are arranged below the screen 6; the screen 6 is made of stainless steel and is a square steel pipe (aperture is 40mm, area is 4.5 m)³) Four vibration motors 7 (model YZO-5-2) are adopted; the screen boxes are all arranged below the screen box 3, the front group is arranged in a staggered mode, and the rear group is kept on the same axis; the damping spring between the support upright post 2 and the screen box 3 (the damping spring adopts the total length of 20cm, the outer diameter of 10cm and the wire diameter of 1cm), the support upright post 2 (which is composed of six square steel pipes of 40 multiplied by 40mm and the length of 1.2 m), the bottom frame 1 (which is welded by angle steel of 70 multiplied by 70 mm), and the movement of the bottom frame 1 are composed of six groups of iron core solid polyurethane wheels with the wheel diameter of 200 mm. The assembling process of various parts is simple, and all the parts can be welded. The assembled component is light in weight, and the installation efficiency is greatly improved.

When the automatic grading broken stone screening machine is used, the automatic grading broken stone screening machine is formed by improving the linear vibrating screen, the on-site grading broken stone screening is more facilitated, when the two vibrating motors 7 which are staggered in the current group are synchronously and reversely rotated, the exciting force generated by the eccentric blocks can enable broken stone to be irregularly distributed on the screen 6, the contact area is increased, and the screening is facilitated. The two vibrating motors 7 on the same axis of the latter group do synchronous and reverse rotating motion, and because the vibrating motors 7 are on the same axis, the exciting force generated by the eccentric blocks of the vibrating motors 7 can enable crushed stones, thereby ensuring that unqualified crushed stones are convenient to collect and process. The four vibrating motors 7 have an inclination angle in the vertical direction relative to the screen surface of the screen 6, and crushed stone firstly moves irregularly and then moves linearly on the screen surface of the screen 6 under the combined action of exciting force and material self-gravity, so that the aim of screening and grading the crushed stone is fulfilled. Suitable for the granularity of 5-40 mm.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a graded broken stone screening machine, its characterized in that, including bottom frame (1) that is used for supporting the screening machine and sieve case (3) that are located bottom frame (1) top, the reel is installed to the interior bottom surface of sieve case (3), and screen cloth (6) that are used for screening the broken stone are installed on the top of reel, two sets of unloading funnels have been seted up to the bottom surface of sieve case (3), and two sets of vibrating motor (7) that are used for driving sieve case (3) vibration are installed to the outer wall of unloading funnel.

2. The graded stone crusher as recited in claim 1, characterised in that: the outer surface of the top end of the bottom frame (1) is provided with three groups of symmetrical support upright columns (2), and the top ends of the support upright columns (2) are connected with the bottom end of the screen box (3) through springs.

3. The graded stone crusher as recited in claim 1, characterised in that: the screen frame comprises six groups of transverse rods (4) which are longitudinally distributed at equal intervals and longitudinal rods (5) which are transversely welded at the top ends of the transverse rods (4) at equal intervals.

4. The graded stone crusher as recited in claim 1, characterised in that: three groups of wheels are symmetrically arranged on the front and back of the outer surface of the bottom end of the bottom frame (1).

5. The graded stone crusher as recited in claim 1, characterised in that: two sets of vibrating motors (7) installed on the outer side of the left discharging hopper are staggered with each other, and two sets of vibrating motors (7) installed on the outer side of the right discharging hopper are located on the same axis.

6. The graded stone crusher as recited in claim 1, characterised in that: the left side of sieve case (3) is seted up jaggedly, and the coincidence of the left side of the interior bottom surface left side of left side and sieve case (3) of screen cloth (6), the right side height of screen cloth (6) is less than the interior bottom surface height of sieve case (3).