CN220004230U - Screening net suitable for sand making machine - Google Patents

Abstract

The utility model relates to the technical field of sand making machines, and discloses a screening net suitable for a sand making machine, wherein a plurality of uniformly distributed ejector rods are fixedly connected to the outer side of a rotary rod, circular protrusions are fixedly connected to the inner side of the screen, and a plurality of screen holes are formed in the screen; the ejector rod is driven to rotate through the rotating rod, one end of the ejector rod is abutted against the outer side of the circular protrusion, the ejector rod pushes the circular protrusion to move, the circular protrusion drives the screen mesh to move downwards, the second transverse plate pushes the guide post to move downwards, the telescopic spring is in a compressed state at the moment, when the ejector rod is separated from the outer side of the circular protrusion, the second transverse plate resets under the action of the telescopic spring force, the screen mesh moves up and down in a reciprocating mode, the screen mesh vibrates, and accordingly sand and stone blocking of large particles are avoided, sand making efficiency and discharging speed of the sand making machine are affected, and sand and stone blocking inside the screen mesh is avoided through the design of the large end of the screen mesh.

Description

Screening net suitable for sand making machine

Technical Field

The utility model relates to the technical field of sand making machines, in particular to a screening net suitable for a sand making machine.

Background

Sand is an indispensable and irreplaceable aggregate material in infrastructure construction, and nowadays, for environmental protection, a hammer sand making machine is generally used to break stone into sand particles, so that natural sand is avoided, and ecological balance is destroyed.

In the use process of the traditional sand making machine, the screen cloth can be provided with the surplus material, when the smashing hammer smashes the surplus material again, sand stones slightly larger than the meshes can be blocked in the meshes, the meshes are blocked, the discharging speed is influenced, the production efficiency is reduced, and therefore the screening net suitable for the sand making machine is provided.

Disclosure of Invention

The utility model aims to provide a screening net suitable for a sand making machine, which aims to solve the problems that in the prior art, in the using process of the traditional sand making machine, the screen mesh can be provided with residual materials, and when the residual materials are crushed again by a crushing hammer, sand stones slightly larger than meshes are blocked in the meshes, so that the meshes are blocked, the discharging speed is influenced, and the production efficiency is reduced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the screening net suitable for the sand making machine comprises a sand making machine shell, wherein a screening component is arranged on the inner side of the sand making machine shell;

the screening assembly comprises a first transverse plate, a screen and a second transverse plate, wherein the first transverse plate is fixedly connected to the inner side of the sand making machine shell, the screen is installed on the inner side of the sand making machine shell, the second transverse plate is fixedly connected to the two ends of the screen, the bottom of the second transverse plate is fixedly connected with a plurality of guide posts, one ends of the guide posts respectively movably penetrate through the top of the first transverse plate, one ends of the guide posts are located below the first transverse plate and fixedly connected with limiting plates, a plurality of telescopic springs are movably sleeved on the outer sides of the guide posts, rotary rods are arranged on the inner side of the sand making machine shell, a plurality of evenly distributed ejector rods are fixedly connected to the outer sides of the rotary rods, round protrusions are fixedly connected to the inner sides of the screen, and a plurality of screen holes are formed in the screen.

Further preferred as the technical scheme is that: the inner side of the sand making machine shell is rotationally connected with a rotating shaft, and the rotating rod is fixedly sleeved on the outer side of the rotating shaft.

Further preferred as the technical scheme is that: one end of the telescopic spring is fixedly connected to the bottom of the second transverse plate, and the other end of the telescopic spring is fixedly connected to the top of the first transverse plate.

Further preferred as the technical scheme is that: the outside fixedly connected with of changeing the rod a plurality of evenly distributed's crushing hammer, the inboard fixedly connected with baffle of sand making machine casing, one side of baffle is contradicted in the top of second diaphragm.

Further preferred as the technical scheme is that: the top fixedly connected with feeder hopper of sand making machine casing, the upper end diameter of sieve mesh is less than the lower extreme diameter.

Further preferred as the technical scheme is that: one side of the second transverse plate is fixedly connected with a sealing strip, and the sealing strip is abutted against the inner side of the sand making machine shell.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, one end of the ejector rod is abutted against the outer side of the circular protrusion through the rotating rod to enable the ejector rod to push the circular protrusion to move, the circular protrusion is enabled to drive the screen to move downwards, the second transverse plate is enabled to push the guide post to move downwards, the telescopic spring is in a compressed state at the moment, when the ejector rod is separated from the outer side of the circular protrusion, the second transverse plate is reset under the action of the telescopic spring force, the screen is enabled to move up and down in a reciprocating mode, the screen vibrates, and therefore sand and stone blocking of large particles on the screen are avoided, sand making efficiency and discharging speed of the sand making machine are affected, and sand and stone blocking inside the screen holes is avoided through the design that one end of the screen holes is large and one end of the screen holes is small.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic view of the crushing hammer of the present utility model;

fig. 3 is a schematic structural view of a guide post according to the present utility model.

Reference numerals illustrate: 1. a sand making machine shell; 2. a first cross plate; 3. a screen; 4. a second cross plate; 5. a guide post; 6. a limiting plate; 7. a telescopic spring; 8. a rotating shaft; 9. a rotary stick; 10. a push rod; 11. a circular protrusion; 12. a sieve pore; 13. a baffle; 14. a crushing hammer; 15. a feed hopper; 16. and (5) a sealing strip.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for the purpose of understanding and reading the disclosure, and are not intended to limit the scope of the utility model, which is defined by the claims, but rather by the claims, unless otherwise indicated, and that any structural modifications, proportional changes, or dimensional adjustments, which would otherwise be apparent to those skilled in the art, would be made without departing from the spirit and scope of the utility model.

Examples

In the prior art, the sand making machine can have the clout on the screen cloth in the in-process of using, smash the hammer and smash the clout when smashing once more, can appear some grit card that are slightly greater than the mesh in the mesh, lead to the mesh to block up, influence the discharge speed, reduction in production efficiency.

Referring to fig. 1-3, the present utility model provides a technical solution: a screening net suitable for a sand making machine comprises a sand making machine shell 1, wherein a screening component is arranged on the inner side of the sand making machine shell 1;

through the arrangement of the screening component, the screen 3 vibrates, so that the screen 3 is prevented from being blocked by large-particle sand stones, and the sand making efficiency and the discharging speed of the sand making machine are affected; the screening component comprises a first transverse plate 2, a screen 3 and a second transverse plate 4, wherein the first transverse plate 2 is fixedly connected to the inner side of a sand making machine shell 1, the screen 3 is installed on the inner side of the sand making machine shell 1, the second transverse plate 4 is fixedly connected to two ends of the screen 3, the bottom of the second transverse plate 4 is fixedly connected with a plurality of guide posts 5, one ends of the guide posts 5 respectively penetrate through the top of the first transverse plate 2, one ends of the guide posts 5 are positioned below the first transverse plate 2 and fixedly connected with a limiting plate 6, the outer sides of the guide posts 5 are movably sleeved with a telescopic spring 7, one ends of the telescopic spring 7 are fixedly connected to the bottom of the second transverse plate 4, the other ends of the telescopic spring 7 are fixedly connected to the top of the first transverse plate 2, the inner side of the sand making machine shell 1 is provided with a rotary rod 9, the outer sides of the rotary rod 9 are fixedly connected with a plurality of push rods 10 which are uniformly distributed, the inner sides of the screen 3 are fixedly connected with round protrusions 11, and a plurality of screen holes 12 are formed in the screen 3; the ejector rod 10 is driven to rotate through the rotary rod 9, one end of the ejector rod 10 is abutted against the outer side of the circular protrusion 11, the ejector rod 10 pushes the circular protrusion 11 to move, the circular protrusion 11 drives the screen 3 to move downwards, the second transverse plate 4 pushes the guide post 5 to move downwards, the telescopic spring 7 is in a compressed state at the moment, and when the ejector rod 10 is separated from the outer side of the circular protrusion 11, the second transverse plate 4 resets under the action of the force of the telescopic spring 7, so that the screen 3 moves up and down in a reciprocating mode.

The inner side of the sand making machine shell 1 is rotationally connected with a rotating shaft 8, a rotating rod 9 is fixedly sleeved on the outer side of the rotating shaft 8, a plurality of uniformly distributed crushing hammers 14 are fixedly connected on the outer side of the rotating rod 9, and raw materials are crushed through the crushing hammers 14; the inner side of the sand making machine shell 1 is fixedly connected with a baffle 13, one side of the baffle 13 is abutted against the top of the second transverse plate 4, the top of the sand making machine shell 1 is fixedly connected with a feed hopper 15, and materials enter the sand making machine shell 1 through the feed hopper 15 for processing; the diameter of the upper end of the sieve mesh 12 is smaller than that of the lower end, and sand and stone are prevented from being blocked in the sieve mesh 12 by designing the sieve mesh 12 with one large end and one small end; one side of the second transverse plate 4 is fixedly connected with a sealing strip 16, and dust is prevented from scattering outwards by arranging the sealing strip 16; the sealing strip 16 abuts against the inner side of the sand making machine shell 1.

When the sand making machine is used, the sand making raw material is placed into the feed hopper 15, the raw material enters the sand making machine shell 1 through the feed hopper 15, the rotary rod 9 is driven to rotate through the rotary shaft 8, the crushing hammer 14 is used for crushing the raw material, the sand making process is completed, and the crushed raw material is guided out of the sand making machine shell 1 and the screen 3 through the screen holes 12.

In the process to the sand making, because the bulk size of the raw materials after smashing is different, the sieve mesh 12 can appear, at the in-process of raw materials smashing, drive ejector pin 10 through changeing rod 9 and rotate, make the one end of ejector pin 10 conflict in the outside of circular arch 11, make ejector pin 10 promote circular arch 11 and remove, make circular arch 11 drive screen cloth 3 downwardly moving, make second diaphragm 4 promote guide post 5 downwardly moving, telescopic spring 7 is in compressed state this moment, when ejector pin 10 breaks away from the outside of circular arch 11, second diaphragm 4 can reset under the effect of telescopic spring 7, make screen cloth 3 reciprocate, make screen cloth 3 take place the vibration, thereby avoid large-granule grit to block up screen cloth 3, thereby influence the sand making efficiency of sand making machine and the speed of discharging, through the design of big one end of sieve mesh 12 big one end, thereby avoid the grit to block up in the inside of sieve mesh 12.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Screening net suitable for sand making machine, including sand making machine casing (1), its characterized in that: the inner side of the sand making machine shell (1) is provided with a screening component;

the screening assembly comprises a first diaphragm (2), a screen (3) and a second diaphragm (4), wherein the first diaphragm (2) is fixedly connected to the inner side of a sand making machine shell (1), the screen (3) is installed on the inner side of the sand making machine shell (1), the second diaphragm (4) is fixedly connected to the two ends of the screen (3), a plurality of guide posts (5) are fixedly connected to the bottom of the second diaphragm (4), one ends of the guide posts (5) respectively movably penetrate through the top of the first diaphragm (2), a plurality of guide posts (5) are located below the first diaphragm (2) and fixedly connected with limiting plates (6), a plurality of telescopic springs (7) are movably sleeved on the outer side of the guide posts (5), rotary rods (9) are arranged on the inner side of the sand making machine shell (1), a plurality of evenly distributed ejector rods (10) are fixedly connected to the outer side of the rotary rods (9), a plurality of round ejector rods (11) are fixedly connected to the inner sides of the screen (3), and a plurality of sieve holes (12) are formed in the screen.

2. A screen mesh suitable for use in a sand making machine according to claim 1, wherein: the inner side of the sand making machine shell (1) is rotationally connected with a rotating shaft (8), and the rotating rod (9) is fixedly sleeved on the outer side of the rotating shaft (8).

3. A screen mesh suitable for use in a sand making machine according to claim 1, wherein: one end of the telescopic spring (7) is fixedly connected to the bottom of the second transverse plate (4), and the other end of the telescopic spring (7) is fixedly connected to the top of the first transverse plate (2).

4. A screen mesh suitable for use in a sand making machine according to claim 1, wherein: the outside fixedly connected with of changeing rod (9) a plurality of evenly distributed smash hammer (14), the inboard fixedly connected with baffle (13) of sand making machine casing (1), one side of baffle (13) is contradicted in the top of second diaphragm (4).

5. A screen mesh suitable for use in a sand making machine according to claim 1, wherein: the top of the sand making machine shell (1) is fixedly connected with a feed hopper (15), and the diameter of the upper end of the sieve holes (12) is smaller than that of the lower end.

6. A screen mesh suitable for use in a sand making machine according to claim 1, wherein: one side of the second transverse plate (4) is fixedly connected with a sealing strip (16), and the sealing strip (16) is abutted against the inner side of the sand making machine shell (1).