CN213855593U - Fine screening machine - Google Patents

Abstract

The utility model relates to a fine screening machine, which comprises a bracket; a screen body support frame; the screen body part is obliquely arranged on the screen body supporting frame, and the front end of the screen body part is fixedly connected with a connecting block; the driven rotating mechanisms are symmetrically arranged on two sides of the rear end of the screen body supporting frame, and the bottom of the rear end of the screen body is fixedly connected with the tops of the driven rotating mechanisms; the active rotating mechanism is arranged on the lower side of the front end of the screen body, and the top of the active rotating mechanism is fixedly connected with the connecting block; and the starting device is fixedly arranged on the right side of the front end of the screen body supporting frame and is connected with the bottom of the active rotating mechanism. The utility model discloses a screen surface of specific reciprocating rotary motion mode and slope makes the material pass through the screen cloth fast, solves the technical problem that current screening machine screening efficiency is low, output is low, reaches the technological effect who improves screening efficiency and output.

Description

Fine screening machine

Technical Field

The utility model belongs to the screening machine field, concretely relates to meticulous screening machine.

Background

The sieving machine is a vibrating sieving mechanical device which utilizes the relative movement of bulk materials and a sieve surface to lead partial particles to penetrate through sieve pores and divide materials such as sand, gravel, broken stone and the like into different grades according to the particle size. The existing screening equipment mainly screens materials on horizontal screens of different specifications through vibrators according to different grading requirements, but has the common problems of low speed for conveying the materials, small screening penetration amount, easy accumulation of the materials on a horizontal screen surface, screen blockage, low screening efficiency and low yield.

SUMMERY OF THE UTILITY MODEL

The utility model provides a meticulous screening machine has solved current screening machine screening efficiency low, the little technical problem of output to realize improving screening efficiency and the technological effect of increase output.

The utility model discloses specific technical scheme as follows:

a fine screening machine, comprising a support;

the screen body support frame is hung on the support frame through an iron chain;

the screen body part is obliquely arranged on the screen body supporting frame, and the front end of the screen body part is fixedly connected with a connecting block;

the driven rotating mechanisms are symmetrically arranged on two sides of the screen body supporting frame, and two sides of the bottom of the screen body are fixedly connected with the tops of the driven rotating mechanisms;

the active rotating mechanism is arranged on the lower side of the front end of the screen body, and the top of the active rotating mechanism is fixedly connected with the connecting block;

and the starting device is fixedly arranged on the right side of the front end of the screen body supporting frame and is connected with the bottom of the active rotating mechanism.

Further, the screen body main part comprises a screen, the screen is fixedly arranged on the inner side of the screen body main part, and the screen is parallel to the bottom of the screen body main part;

the half screen cover is fixedly arranged at the front end of the screen body;

the feeding hopper is fixedly arranged on the screen cover;

the sand outlet A is arranged on the side surface of the rear end of the main part of the screen body, and the bottom of the sand outlet A is connected with the screen;

and the sand outlet B is arranged on the side surface of the rear end of the screen body, and the bottom of the sand outlet B is fixedly connected with the bottom plate of the screen body.

Furthermore, the active rotating mechanism comprises a rotating block which is fixedly arranged on the screen body supporting frame, the rotating block is disc-shaped, and a cylindrical groove is formed in one side of the upper end of the rotating block;

the swinging block is fixedly arranged at the bottom of the screen body, the swinging block is disc-shaped, a cylinder is arranged at the center of the swinging block, the diameter of the cylinder is smaller than the width of the groove on the rotating block, the cylinder of the swinging block is inserted in the groove of the rotating block, and the outer side of the cylinder of the swinging block is in sliding connection with the inner wall of the groove of the rotating block.

Furthermore, the driven rotating mechanism and the driving rotating mechanism are arranged in an isosceles triangle shape, and the driven rotating mechanism and the driving rotating mechanism are identical in structure and different in size.

Further, the starting device comprises a motor which is fixedly arranged on the right side of the front end of the screen body supporting frame;

the base is fixedly arranged in the middle of the front end of the screen body supporting frame;

the shaft is fixedly arranged in the center of the base;

the belt pulley, set up in on the base, the center of belt pulley with axle sliding connection, the belt pulley with rotatory piece bottom fixed connection, the belt pulley with the motor passes through belt sliding connection.

The embodiment of the utility model has the following beneficial effect at least:

the embodiment of the utility model comprises a bracket; the screen body support frame is hung on the support frame through an iron chain; the screen body part is obliquely arranged on the screen body supporting frame, and the front end of the screen body part is fixedly connected with a connecting block; the driven rotating mechanisms are symmetrically arranged on two sides of the screen body supporting frame, and two sides of the bottom of the screen body are fixedly connected with the tops of the driven rotating mechanisms; the active rotating mechanism is arranged on the lower side of the front end of the screen body, and the top of the active rotating mechanism is fixedly connected with the connecting block; and the starting device is fixedly arranged on the right side of the front end of the screen body supporting frame and is connected with the bottom of the active rotating mechanism. Technical scheme such as, "accessible slewing mechanism drives the motion of screen frame this portion, the iron chain with screen frame this portion and screen frame support frame hoist and mount on the support, make screen frame this portion rock under inertial effect, the circular motion of while screen frame this portion small range is done under slewing mechanism's drive, can accelerate the motion of material on the sifter of slope, the sieve carries out quick screening to the material simultaneously, the technical problem that screening efficiency is low, output is little has been solved, reach the technological effect who improves screening efficiency and increase of production.

Drawings

FIG. 1 is a schematic diagram of a fine screening machine;

FIG. 2 is a schematic structural diagram of the front end of a fine screening machine;

FIG. 3 is a schematic structural view of the driving rotation mechanism;

FIG. 4 is a schematic cross-sectional view of the rotating and swinging blocks of FIG. 3;

FIG. 5 is a schematic structural diagram of the starting apparatus;

FIG. 6 is a schematic view of the connection between the actuating device and the active rotating mechanism;

in the figure: 1. a support; 2. a screen body support frame; 3. the sand screening device comprises a screen body, a screen 31, a screen 32, a half screen cover 33, a feed hopper 34, sand outlets A and 35, sand outlets B and 36 and a connecting block; 4. a driven rotation mechanism; 5. an active rotation mechanism 51, a rotation block 52 and a swinging block; 6. starting device, 61, motor, 62, belt pulley, 63, belt, 64, base, 65, axle.

Detailed Description

The technical scheme of the embodiment of the present invention is described in detail below with reference to the accompanying drawings and embodiments:

the utility model relates to a fine screening machine, as shown in figure 1 and figure 2, including support 1, support 1 is used for lifting device.

And the screen body support frame 2 is hung on the support 1 through an iron chain.

Screen frame this portion 3, the slope set up in on the screen frame support frame 2, 3 front end fixedly connected with connecting block 36 of screen frame this portion, 3 slopes to set up in screen frame this portion and helps the material to pass through fast for screening speed.

A plurality of driven slewing mechanism 4, the symmetry set up in 2 both sides of screen frame support frame, 3 bottom both sides of screen frame main part and a plurality of 4 top fixed connection of driven slewing mechanism.

The driving rotating mechanism 5 is arranged on the lower side of the front end of the screen body main part 3, the top of the driving rotating mechanism 5 is fixedly connected with the connecting block 36, and the driving rotating mechanism 5 is used for driving the driven rotating mechanism 4 to rotate.

The starting device 6 is fixedly arranged at the front end of the screen body supporting frame 2, the starting device 6 is connected with the bottom of the driving rotating mechanism 5, and the starting device 6 is used for driving the driving rotating mechanism 5 to rotate.

The screen frame body 3 comprises a screen 31, the screen is fixedly arranged on the inner side of the screen frame body 3, the screen 31 is parallel to the bottom of the screen frame body 3, and the screen 31 is used for screening sand materials of certain specifications.

Half sieve lid 32, fixed set up in screen frame main part 3 front end, half sieve lid 32 can prevent that the material from splashing when the feeding, is convenient for observe simultaneously the condition in screen frame main part 3 prevents inside jam.

Feed hopper 33, fixed set up in on the sieve lid, feed hopper 33 is used for carrying the material extremely the 3 front ends of screen frame main part.

Sand outlet A34, set up in on the screen frame 3 rear end side, sand outlet A34 bottom with screen cloth 31 is connected, sand outlet A34 is used for exporting the large granule material after the screening.

Sand outlet B35, set up in on the 3 rear end sides of screen frame body, sand outlet B35 bottom with the bottom plate fixed connection of screen frame body 3, sand outlet B35 is used for exporting the tiny particle material after the screening.

As shown in fig. 3 and 4, the active rotation mechanism 5 includes a rotation block 51 fixedly disposed on the screen body support frame, the rotation block 51 is disc-shaped, a cylindrical groove is disposed on one side of an upper end of the rotation block 51, the rotation block 51 rotates around a center of the rotation block 51, and the cylindrical groove of the rotation block 51 makes a circular motion around the center of the rotation block 51.

The swinging block 52 is fixedly connected with the screen body part 3, the swinging block 52 is disc-shaped, a cylinder is fixedly arranged at the center of the swinging block 52, the diameter of the cylinder is smaller than the width of the groove on the rotating block 51, the cylinder of the swinging block 52 is inserted into the groove of the rotating block 51, the outer side of the cylinder of the swinging block 52 is in sliding connection with the inner wall of the groove of the rotating block 51, and the swinging block 52 moves circumferentially around the center of the rotating block 51 along with the groove on the rotating block 51.

The driven rotating mechanism 4 and the driving rotating mechanism 5 are arranged in an isosceles triangle shape, and the driven rotating mechanism 4 and the driving rotating mechanism 5 are identical in structure and different in size.

As shown in fig. 5 and 6, the starting device 6 includes a motor 61 fixedly disposed on the right side of the front end of the screen body support frame 2, and the motor 61 is used for starting the active rotating mechanism 5.

And the base 64 is fixedly arranged in the middle of the front end of the screen body supporting frame 2.

And a shaft 65 fixedly arranged at the center of the base 64.

The belt pulley 62 is arranged on the base 64, the belt pulley 62 is slidably connected with the shaft 65, the belt pulley 62 is fixedly connected with the bottom of the rotating block 51, and the belt pulley 62 is slidably connected with the motor 61 through a belt 63.

Motor 61 starts, belt pulley 62 drives initiative slewing mechanism 5's rotatory piece 51 begins rotatoryly, rotatory piece 51 drives the turning block 52 makes circular motion, 3 initial motion in screen frame portion drives 3 rear ends in screen frame portion 4 rotates, screen frame portion 3 begins the swing, drives the hoist and mount and is in on the support 1 rock about screen frame 2, on the material got into screen frame portion 3 front end from feeder hopper 33 and reachs screen cloth 31, the material rolled down on the screen cloth 31 of slope, the material is in the swing of screen frame portion 3 with under the rocking effect of screen frame support frame 2, accelerate to 3 rear end rolls of screen frame portion and screening, and the large granule material after the screening is followed discharge gate A34 flows, and the small granule material is followed discharge gate B35 flows.

The utility model discloses in do not injecing the quantity and the specification of screen cloth and discharge gate, can set up multilayer screen cloth and a plurality of discharge gate according to actual need.

The utility model provides a preceding, back, left and right, words such as upper and lower are only for describing the convenience of structure to do not form the restriction to technical scheme. While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. A fine screening machine is characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a support;

the screen body support frame is hung on the support frame through an iron chain;

the screen body part is obliquely arranged on the screen body supporting frame, and the front end of the screen body part is fixedly connected with a connecting block;

the driven rotating mechanisms are symmetrically arranged on two sides of the screen body supporting frame, and two sides of the bottom of the screen body are fixedly connected with the tops of the driven rotating mechanisms;

the active rotating mechanism is arranged on the lower side of the front end of the screen body, and the top of the active rotating mechanism is fixedly connected with the connecting block;

and the starting device is fixedly arranged on the right side of the front end of the screen body supporting frame and is connected with the bottom of the active rotating mechanism.

2. The fine screening machine of claim 1, wherein: the screen body part comprises a screen body main part,

the screen is fixedly arranged on the inner side of the screen body main part and is parallel to the bottom of the screen body main part;

the half screen cover is fixedly arranged at the front end of the screen body;

the feeding hopper is fixedly arranged on the screen cover;

the sand outlet A is arranged on the side surface of the rear end of the main part of the screen body, and the bottom of the sand outlet A is connected with the screen;

and the sand outlet B is arranged on the side surface of the rear end of the screen body, and the bottom of the sand outlet B is fixedly connected with the bottom plate of the screen body.

3. The fine screening machine of claim 1, wherein: the active rotating mechanism comprises a rotating mechanism and a rotating mechanism,

the rotating block is fixedly arranged on the screen body supporting frame, the rotating block is in a disc shape, and a cylindrical groove is formed in one side of the upper end of the rotating block;

the swinging block is fixedly arranged at the bottom of the screen body, the swinging block is disc-shaped, a cylinder is arranged at the center of the swinging block, the diameter of the cylinder is smaller than the width of the groove on the rotating block, the cylinder of the swinging block is inserted in the groove of the rotating block, and the outer side of the cylinder of the swinging block is in sliding connection with the inner wall of the groove of the rotating block.

4. The fine screening machine of claim 3, wherein:

the driven rotating mechanism and the driving rotating mechanism are arranged in an isosceles triangle shape, and are the same in structure and different in size.

5. The fine screening machine of claim 3, wherein: the starting device comprises a starting device and a starting device,

the motor is fixedly arranged on the right side of the front end of the screen body supporting frame;

the base is fixedly arranged in the middle of the front end of the screen body supporting frame;

the shaft is fixedly arranged in the center of the base;

the belt pulley, set up in on the base, the center of belt pulley with axle sliding connection, the belt pulley with rotatory piece bottom fixed connection, the belt pulley with the motor passes through belt sliding connection.

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