CN220574032U

CN220574032U - Machine-made sand screening equipment

Info

Publication number: CN220574032U
Application number: CN202322118304.5U
Authority: CN
Inventors: 王硕
Original assignee: Hebei Xiong'an Anhao Information Technology Co ltd
Current assignee: Hebei Xiong'an Anhao Information Technology Co ltd
Priority date: 2023-08-08
Filing date: 2023-08-08
Publication date: 2024-03-12
Anticipated expiration: 2033-08-08

Abstract

The utility model discloses machine-made sand screening equipment, which relates to the technical field of machine-made sand screening and comprises a screening box, wherein the lower end of the screening box is fixedly connected with a box bottom plate, the lower end of the box bottom plate is provided with a plurality of supporting legs, two sides of the upper end of the screening box are provided with sand inlets, a screen plate penetrating through the inside of the screening box is arranged above the left side of the screening box, the screen plate is connected to the upper end of the screening box through a second spring, the lower part of the screen plate is fixedly connected with an eccentric vibration mechanism through a support column, the eccentric vibration mechanism comprises a supporting bottom plate, the upper end of the supporting bottom plate is provided with a movable frame, the screen plate comprises a first screen, and the left end of the first screen plate is fixedly connected with a second screen. According to the utility model, the first screen, the second screen and the third screen with different mesh diameters are arranged in the same screening mechanism to form a complete screening mechanism, so that materials can be correspondingly screened according to different diameter ranges, and the screening efficiency of the materials is accelerated.

Description

Machine-made sand screening equipment

Technical Field

The application relates to the technical field of machine-made sand screening, in particular to machine-made sand screening equipment.

Background

The machine-made sand is manufactured by a machine-made sand production system and has the grain diameter smaller than 4.75 mm. The machine-made sand has the advantages of uniform granularity, good particle shape, reasonable grading, high production automation degree, low cost and the like, is increasingly widely applied to industries such as commercial concrete, dry-mixed machine-made mortar, asphalt concrete and the like at present, and meanwhile, the screening technology is one of important technologies in the production of the machine-made sand.

Screening equipment on the market at present generally selects the mesh screen combination of different diameters to use and sieves the material, often needs the manual work to change the screen cloth of different apertures in the screening process, and is consuming time and consuming power, and the practicality is not high. And when screening equipment is used for screening, the vibration amplitude is smaller, the up-and-down movement stroke of the screening mechanism is shorter, and the screening efficiency is low, so that the machine-made sand screening equipment is provided for solving the problems.

Disclosure of Invention

For solving the technical problem, provide a mechanism sand screening equipment, the screen cloth that often needs the manual work to change different apertures in the screening process that has set forth among the above-mentioned prior art has been solved to this technical scheme, and consuming time and consuming effort, and screening equipment is when sieving, because vibration amplitude is less, screening mechanism's up-and-down motion stroke is shorter, the low problem of screening efficiency, the application provides a mechanism sand screening equipment adopts following technical scheme:

the machine-made sand screening device comprises a screening box, wherein the lower end of the screening box is fixedly connected with a box bottom plate, a plurality of supporting legs are arranged at the lower end of the box bottom plate, sand inlets are formed in two sides of the upper end of the screening box, a screen plate penetrating the screening box and extending to the inside is arranged above the left side of the screening box, a spring is arranged at the joint of the screen plate and the screening box, and an eccentric vibration mechanism is fixedly connected below the screen plate through a support column;

the eccentric vibration mechanism comprises a supporting bottom plate, a movable frame is arranged at the upper end of the supporting bottom plate, movable blocks are arranged in the movable frame, springs are arranged in the middle of the left end and the right end of the movable blocks in a penetrating mode, a bearing plate is connected with the left end and the right end of the movable frame through springs, a rotating rod is arranged at the front end of the movable block, an eccentric cylinder is fixedly connected with the front end of the rotating rod, the eccentric cylinder is fixedly connected with the output end of a driving motor, and a supporting seat is arranged at the lower end of the driving motor.

Preferably, the sieve plate comprises a first sieve plate, a second sieve plate is fixedly connected to the left end of the first sieve plate, a third sieve plate is fixedly connected to the left end of the second sieve plate, the third sieve plate is a trapezoid groove, the aperture of the first sieve plate is smaller than that of the second sieve plate, the aperture of the second sieve plate is smaller than that of the third sieve plate, a plurality of baffle plates are arranged at the lower end of the sieve plate inside the sieve box, a baffle plate is fixedly connected to the bottom of the baffle plate, and the baffle plate is fixedly connected to the lower end of the bottom plate of the box body through a sloping plate, and a plurality of sand outlets are formed by the baffle plate and the sloping plate.

Preferably, a fixed plate is arranged above the right side of the screening box, and a symmetrical guide post and a first spring are arranged at the upper end of the fixed plate.

Preferably, the sand inlet is communicated with the screening box.

Compared with the prior art, the utility model has the beneficial effects that:

this kind of screening equipment that possesses multistage screening function through set up in same screening mechanism have different mesh diameter's screen cloth one, screen cloth two, screen cloth three constitute complete screening mechanism, can correspond the screening according to different diameter scope to the powder material for in the powder material is according to granule size automatic classification and the collection box that gathers to corresponding, thereby realized carrying out the purpose of automatic classification to the material according to the size when sieving out the inside impurity of material, through set up eccentric vibration mechanism in screening mechanism left side, drive the screen plate through eccentric cylinder and constantly reciprocate left and right sides under the drive of motor, thereby can further carry out effective screening to the material and handle, improve the screening efficiency of material.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is an internal cross-sectional view of the present utility model;

FIG. 3 is a schematic view of an eccentric vibration mechanism according to the present utility model;

fig. 4 is a side view of the present utility model.

The reference numerals in the figures are:

1. a screening box; 2. support legs; 3. a bottom plate of the box body; 4. a sand outlet; 5. a guide post; 6. a compression spring; 7. a fixing plate; 8. a sand inlet; 9. a sieve plate; 10. an eccentric vibration mechanism; 91. a first screen; 92. a second screen; 93. a third screen; 94. a baffle; 95. a partition plate; 96. a sloping plate; 101. a support base plate; 102. a support base; 103. a movable frame; 104. a support post; 107. a rotating lever; 108. an eccentric cylinder; 109. a driving motor; 110. a movable block; 111. and a bearing plate.

Detailed Description

The following description is presented to enable one of ordinary skill in the art to make and use the utility model. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.

Referring to fig. 1-3, a machine-made sand screening device is characterized by comprising a screening box 1, the lower extreme fixedly connected with box bottom plate 3 of screening box 1, a plurality of supporting legs 2 are installed to the lower extreme of box bottom plate 3, the upper end both sides of screening box 1 are provided with into sand mouth 8, screen plate 9 that runs through screening box 1 inside is installed to screening box 1's left side top, screen plate 9 is connected in screening box 1's upper end through compression spring 6, screen plate 9 can reciprocate left and right sides, movable range's increase is more favorable to the screening effect of machine-made sand, the below of screen plate 9 is through pillar 104 fixedly connected with eccentric vibration mechanism 10, support screen plate 9 and guarantee the activity of a large margin of screen plate 9, eccentric vibration mechanism 10 is including supporting bottom plate 101, movable frame 103 is installed to the upper end of supporting bottom plate 101, movable frame 103's inside is provided with movable block 110, the left and right sides middle part of movable block 110 is provided with compression spring 6, the left and right sides of movable frame 103 are connected with loading board 111 through compression spring 6, the front end of movable block 110 is provided with dwang 107, the front end of movable block 110 is connected with eccentric drive motor 107, the eccentric drive motor 107 has the eccentric drive of eccentric drive shaft 109, the eccentric drive shaft 109 is connected with eccentric drive shaft 109, the eccentric drive of eccentric drive shaft 109 is provided with eccentric drive of eccentric drive 109.

In another embodiment provided by the utility model, as shown in fig. 3, the screen plate 9 comprises a screen one 91, the left end of the screen one 91 is fixedly connected with a screen two 92, the left end of the screen two 92 is fixedly connected with a screen three 93, the screen three 93 is a trapezoid groove, a certain gradient is provided to ensure that sand and stone move in a vibration process, the sand and stone are more beneficial to screening of the sand and stone, the aperture of the screen one 91 is smaller than that of the screen two 92, the aperture of the screen two 92 is smaller than that of the screen three 93, the screens with different apertures are screened for sand and stone with different apertures, and the screens with different apertures are all arranged on the same screen plate 9, so that complex mechanisms of multi-layer screening or complicated screen replacement are avoided, the screen plate 9 is provided with a plurality of baffle plates 94 at the lower end of the inside of the screen box 1, the bottom of the baffle plates 94 is fixedly connected with baffle plates 95, the baffle plates 95 are fixedly connected to the lower end of the box bottom plate 3 through inclined plates 96, and the baffle plates 95 and 96 form a plurality of sand outlet ports 4, and the lower ends of the screen plates with different apertures are provided with baffle plates 94, and the sand and stone screens with different apertures are separated.

In another embodiment provided by the utility model, as shown in fig. 1, a fixed plate 7 is arranged above the right side of the screening box 1, a symmetrical guide post 5 and a compression spring 6 are arranged at the upper end of the fixed plate 7, the function of supporting a screen plate 9 is achieved, and a sand inlet 8 is communicated with the screening box 1.

The application process of the utility model is as follows:

the machine-made sand to be screened is put into the screening box 1 through the sand inlet 8, at this moment, the material passes through the first screen mesh 91 at first, the eccentric cylinder 108 is driven to rotate by the driving motor 109 in the process, the two ends of the screen plate 9 vibrate in an up-down, left-right large-amplitude mode alternately due to the centrifugal force generated in the rotating process of the eccentric cylinder 108, the screen plate 9 is provided with a certain gradient to ensure the movement of sand, the screen plate 9 rapidly vibrates to screen the material, the material with smaller particle diameter falls into the sand outlet 4 at the bottom of the material through the meshes of the first screen mesh 91 and the second screen mesh 92, then the material with larger particle diameter falls into the sand outlet 4 under the action of the inclined third screen mesh 93, and the material falls into the sand outlet 4 corresponding to the lower part according to different self-diameter ranges to be collected, so that the whole screening flow of the material is completed, and the coating raw materials which are automatically classified according to different diameter sizes can be obtained after screening.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The machine-made sand screening device is characterized by comprising a screening box (1), wherein the lower end of the screening box (1) is fixedly connected with a box bottom plate (3), a plurality of supporting legs (2) are arranged at the lower end of the box bottom plate (3), sand inlet (8) are arranged at two sides of the upper end of the screening box (1), a screen plate (9) penetrating the screening box (1) and extending into the screening box is arranged above the left side of the screening box (1), a compression spring (6) is arranged at the joint of the screen plate (9) and the screening box (1), and an eccentric vibration mechanism (10) is fixedly connected below the screen plate (9) through a support column (104);

wherein, eccentric vibration mechanism (10) include supporting baseplate (101), movable frame (103) are installed to the upper end of supporting baseplate (101), the inside of movable frame (103) is provided with movable block (110), the left and right sides both ends middle part of movable block (110) is run through and is provided with compression spring (6), the left and right sides of movable frame (103) is connected with loading board (111) through compression spring (6), the front end of movable block (110) is provided with dwang (107), the front end fixedly connected with eccentric cylinder (108) of dwang (107), the output fixed connection of eccentric cylinder (108) and driving motor (109), driving motor (109) lower extreme is provided with supporting seat (102).

2. A machine-made sand screening apparatus according to claim 1, wherein: the screen plate (9) comprises a screen cloth I (91), a screen cloth II (92) is fixedly connected to the left end of the screen cloth I (91), a screen cloth III (93) is fixedly connected to the left end of the screen cloth II (92), the screen cloth III (93) is a trapezoid groove, the aperture of the screen cloth I (91) is smaller than that of the screen cloth II (92), the aperture of the screen cloth II (92) is smaller than that of the screen cloth III (93), a plurality of baffles (94) are arranged at the lower end of the screen plate (9) inside the screen box (1), a baffle plate (95) is fixedly connected to the bottom of the baffle plate (94), and the baffle plate (95) is fixedly connected to the lower end of the box bottom plate (3) through an inclined plate (96), and a plurality of sand outlets (4) are formed by the baffle plate (95) and the inclined plate (96).

3. A machine-made sand screening apparatus according to claim 1, wherein: a fixed plate (7) is arranged above the right side of the screening box (1), and a symmetrical guide pillar (5) and a compression spring (6) are arranged at the upper end of the fixed plate (7).

4. A machine-made sand screening apparatus according to claim 1, wherein: the sand inlet

(8) Is communicated with the screening box (1).