CN210906954U

CN210906954U - Secondary screening machine

Info

Publication number: CN210906954U
Application number: CN201921946591.6U
Authority: CN
Inventors: 靳树勋
Original assignee: Chongqing Xindianzi Building Materials Co Ltd
Current assignee: Chongqing Xinwufang Building Materials Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-03
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a secondary screening machine, including first screening mechanism and second screening mechanism, first screening mechanism sets up the top at second screening mechanism, first screening mechanism includes the drum that both ends confined slope set up, including a motor, an end cap, a controller, and a cover plate, first support frame and second support frame, the motor sets up on first support frame, the one end and the motor of drum are connected, the other end rotates with the second support frame to be connected, for establishing to the cavity between the inner wall of drum and the shell, a plurality of sieve mesh has been seted up on the circumference inner wall of drum, second screening mechanism includes that two vibrating motors of sieve case and two vibrating motors all set up the bottom at the sieve case, the sieve incasement is equipped with the screen cloth. This first screening mechanism and second screening mechanism that secondary screening machine set up carry out twice screening to the material, have greatly improved the output of coarse grain material, have improved production efficiency, carry out recovery processing to the coarse grain material simultaneously, and whole screening process is very even, effectual separation with the coarse and fine granule, and is simple and convenient.

Description

Secondary screening machine

Technical Field

The utility model relates to a material screening machinery technical field, concretely relates to secondary 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. When the conventional screening machine is used for screening crushed stone materials, coarse particles and fine particles in the screened stone materials are not separated in time, and the screened coarse particles are mixed with the fine particles and cannot be screened for the second time, so that the screening is not uniform, the yield of the obtained fine particles is reduced, the manufacturing cost is increased, and the economic benefit is reduced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides a secondary screening machine solves the screening machine and can not carry out the secondary screening and lead to screening inhomogeneous, the mixed technical problem of thickness granule.

In order to achieve the above purpose, the present invention is implemented by the following technical solutions: a secondary screening machine comprises a first screening mechanism and a second screening mechanism, wherein the first screening mechanism is arranged above the second screening mechanism,

the first screening mechanism comprises a cylinder with two closed ends, a motor, a first support frame and a second support frame, the cylinder is obliquely arranged, the motor is arranged on the first support frame, one end of the cylinder is connected with the motor, the other end of the cylinder is rotationally connected with the second support frame, a cavity is arranged between the inner wall of the cylinder and the shell, a plurality of screen holes are arranged on the circumferential inner wall of the cylinder, the screen holes are communicated with the cavity,

the second screening mechanism comprises a screen box, two vibrating motors and a third support, the two vibrating motors are arranged at the bottom of the screen box, the third support supports the fixed screen box, a screen is arranged in the screen box, and a conveyor belt is arranged below the screen.

The first screening mechanism and the second screening mechanism arranged on the secondary screening machine screen the materials twice, so that the yield of coarse particle materials is greatly improved, and the production efficiency is improved. Meanwhile, the coarse particle materials are recycled, so that the cost is reduced. The whole screening process is very uniform, the coarse and fine particles are effectively separated, and the screening method is simple and convenient.

Further, the drum endotheca is equipped with the pivot, and is equipped with the clearance between pivot and the drum inner wall, and the both ends of pivot all run through the drum and extend to the outside of drum. One end of the rotating shaft is connected with the motor, and the other end of the rotating shaft is rotatably connected with the second supporting frame. The rotating shaft can drive the cylinder to rotate, so that materials in the cylinder can reciprocate, and the speed of separating coarse particles and fine particles is accelerated.

Further, the one end that is close to the motor of first screening mechanism is equipped with first feed inlet, and the one end of keeping away from the motor of first screening mechanism is equipped with first coarse grain discharge gate and first fine grain discharge gate, and first coarse grain discharge gate setting is on the length that the drum inner wall extends.

Further, the second screening mechanism is provided with a second feeding hole, the second feeding hole is communicated with the first coarse particle discharging hole, and one end, far away from the second feeding hole, of the second screening mechanism is provided with a second fine particle discharging hole and a second coarse particle discharging hole.

Further, an inclined first conveying belt is arranged below the cylinder, one end of the first conveying belt is arranged below the first fine particle discharge port, and one end of the first conveying belt, which is arranged below the first fine particle discharge port, is higher than the other end of the first conveying belt. The first conveyer belt's slope setting can make the material flow from the feed inlet to first fine particle discharge gate and first fine particle discharge gate.

Further, the second feed inlet is communicated with the first coarse particle discharge port through a second conveying belt. The materials after primary screening can flow out of the first coarse particle discharge hole and are conveyed to the second feed inlet through the second conveying belt to be screened for the second time.

Further, the end of the cylinder close to the motor is higher than the end far away from the motor. The movement speed of the material is accelerated.

Further, screen cloth and conveyer belt are the slope setting, and the screen cloth is located second feed inlet one end and is higher than the other end, and screen cloth and conveyer belt inclination are unanimous. The material that has guaranteed through the secondary screening can be followed second coarse grain discharge gate and the outflow of second fine particle discharge gate respectively.

The utility model has the advantages that: this secondary screening machine can further separate the fine particle building stones as much as possible with the misce bene through the secondary screening of first material, makes the output of fine particle increase, has improved production efficiency.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a right side view of the present invention;

reference numerals: 100-a first screening mechanism, 110-a cylinder, 111-a sieve hole, 112-a first feed inlet, 113-a first coarse particle discharge hole, 114-a first fine particle discharge hole, 120-a motor, 130-a first support frame, 140-a second support frame, 150-a rotating shaft, 160-a support rod, 170-a first conveyer belt, 180-a second conveyer belt, 200-a second screening mechanism, 210-a sieve box, 211-a second feed inlet, 212-a second fine particle discharge hole, 213-a second coarse particle discharge hole, 220-a vibrating motor, 230-a third support, 240-a sieve mesh and 250-a conveyer belt.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations and positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate and imply that the indicated position or element must have a particular orientation, be constructed and operated in a particular manner, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1 and 2, the present embodiment provides a secondary screening machine including a first screening mechanism 100 and a second screening mechanism 200, where the first screening mechanism 100 is disposed above the second screening mechanism 200. The first screening mechanism 100 is used for screening the material for the first time, and the second screening mechanism 200 is used for screening the screened material for the second time.

Specifically, first screening mechanism 100 includes that both ends confined slope sets up drum 110, motor 120, first support frame 130 and second support frame 140, motor 120 sets up on first support frame 130, the one end and the motor 120 of drum 110 are connected, the other end rotates with second support frame 140 and is connected, establish to the cavity between the inner wall of drum 110 and the shell, a plurality of sieve mesh 111 has been seted up on the circumference inner wall of drum 110, sieve mesh 111 communicates with the cavity, the material that drops from sieve mesh 111 gets into in the cavity. One end of the inner wall of the cylinder 110, which is far away from the motor 120, extends for a certain length, and the sieve holes 111 are not opened on the extended length of the inner wall. Preferably, a first feeding hole 112 is formed at one end of the first screening mechanism 100 close to the motor 120, and the first feeding hole 112 is used for feeding the mixed material of the coarse particles and the fine particles. One end of the first screening mechanism 100, which is far away from the motor 120, is provided with a first coarse particle discharge port 113 and a first fine particle discharge port 114, the first coarse particle discharge port 113 is arranged on the length extending from the inner wall, and the first fine particle discharge port 114 is communicated with the inner cavity.

Preferably, the cylinder 110 is sleeved with a rotating shaft 150, a gap is formed between the rotating shaft 150 and the inner wall of the cylinder 110, and both ends of the rotating shaft 150 penetrate through the cylinder 110 and extend to the outside of the cylinder 110. One end of the rotating shaft 150 is connected to the motor 120, and the other end is rotatably connected to the second supporting frame 140. The outer circumferential surface of the rotating shaft 150 is provided with a support rod 160, and the support rod 160 is connected with the inner wall of the cylinder 110. When the shaft 150 rotates, the cylinder 110 is driven to rotate by the support rod 160.

In this embodiment, an inclined first conveyor belt 170 is disposed below the cylinder 110, one end of the first conveyor belt 170 is disposed below the first fine particle discharging port 114, and one end of the first conveyor belt 170 disposed below the first fine particle discharging port 114 is higher than the other end, so that the fine particle stones can be rolled down from the conveyor belt to a fine particle stone collecting place.

In this embodiment, the end of the cylinder 110 close to the motor 120 is higher than the end far from the motor 120, so that the material flows from the first feeding hole 112 to the first coarse particle discharging hole 113 and the first fine particle discharging hole 114.

When the material enters the inner wall of the rotating cylinder 110 from the first feeding hole 112, the material rotates on the inner wall, the separation speed of coarse particles and fine particles is increased, the screen holes 111 are prevented from being blocked, the fine particle material falls into the cavity through the screen holes 111, then falls onto the first conveying belt 170 from the first fine particle discharging hole 114, flows to the fine particle collecting place, and flows out from the first coarse particle discharging hole 113 to enter the second screening mechanism 200 for secondary screening.

The second screening mechanism 200 includes a screen box 210, two vibrating motors 220 and a third support 230, wherein the two vibrating motors 220 are all arranged at the bottom of the screen box 210, the third support 230 supports and fixes the screen box 210, a screen 240 is arranged in the screen box 210, and a conveyor belt 250 is arranged below the screen 240. Preferably, the second screening mechanism 200 is provided with a second feeding hole 211, and the second feeding hole 211 is communicated with the first coarse particle discharging hole 113 through the second conveying belt 180. The second fine particle outlet 212 and the second coarse particle outlet 213 are disposed at one end of the second screening mechanism 200 away from the second inlet 211, the second fine particle outlet 212 is connected to the conveyor belt 250, and the second coarse particle outlet 213 is connected to the screen 240.

When the rock material discharged from the first coarse particle discharge port 113 of the first screening mechanism 100 falls onto the vibrating screen 240 through the second feed port 211, the vibrating screen 240 may accelerate the separation of the coarse particles and the fine particles, the rock material is separated into the coarse particles and the fine particles by the vibration of the screen 240, the fine particles fall onto the conveyor belt 250 through the meshes of the screen 240 and are further conveyed to the second fine particle discharge port 212, and the coarse particles flow out of the second coarse particle discharge port 213.

In this embodiment, both the screen 240 and the conveyor belt 250 are disposed in an inclined manner, one end of the screen 240 located at the second feed port 211 is higher than the other end, and the inclined angles of the screen 240 and the conveyor belt 250 are the same.

In this embodiment, the mesh size of the screen 240 is the same as the size of the screen aperture 111, so as to ensure that the fine particles obtained by the second screening are the same as the fine particles obtained by the first screening.

The material enters the feed inlet of the first screening mechanism 100 and falls onto the inner wall of the cylinder 110, the motor 120 is started to drive the rotating shaft 150 to rotate, so that the cylinder 110 rotates, fine particles of the material fall into the inner cavity from the sieve holes 111 under rotation, then flow to the first fine particle discharge hole 114, the fine particles fall onto the first conveyor belt 170 and are conveyed to a fine particle collection place, meanwhile, coarse particles in the cylinder 110 flow out from the first coarse particle discharge hole 113 and fall onto the second conveyor belt 180 and are conveyed into the second feed inlet 211 of the second screening mechanism 200;

when the primarily screened material falls onto the screen 240 through the second feeding hole 211, the vibration motor 220 is activated to vibrate the screen 240, so as to separate coarse particles and fine particles in the material, the fine particles fall onto the conveyor belt 250 through the meshes of the screen 240 and are conveyed to the second fine particle discharging hole 212, and the coarse particles on the screen 240 are conveyed to the second coarse particle discharging hole 213.

The utility model has the advantages that: this secondary screening machine can further separate the fine particle building stones as much as possible with the misce bene through the secondary screening of first material, makes the output of fine particle increase, has improved production efficiency. The whole screening process is very uniform, the coarse and fine particles are effectively separated, and the screening method is simple and convenient.

Finally, it should be noted that: 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 evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a secondary screening machine which characterized in that: comprises a first screening mechanism and a second screening mechanism, the first screening mechanism is arranged above the second screening mechanism,

the first screening mechanism comprises a cylinder, a motor, a first support frame and a second support frame, wherein two ends of the cylinder are sealed and the cylinder is obliquely arranged, the motor is arranged on the first support frame, one end of the cylinder is connected with the motor, the other end of the cylinder is rotatably connected with the second support frame, a cavity is arranged between the inner wall of the cylinder and the shell, a plurality of screen holes are arranged on the circumferential inner wall of the cylinder, the screen holes are communicated with the cavity,

the second screening mechanism comprises a screen box, two vibrating motors and a third support, the vibrating motors are all arranged at the bottom of the screen box, the third support supports the fixed screen box, a screen is arranged in the screen box, and a conveyor belt is arranged below the screen.

2. The secondary screening machine according to claim 1, wherein: the drum endotheca is equipped with the pivot, just be equipped with the clearance between pivot and the drum inner wall, the both ends of pivot all run through the outside that the drum extended to the drum, the one end of pivot with the motor is connected, the other end with the second support frame rotates to be connected.

3. The secondary screening machine according to claim 1, wherein: the one end that is close to the motor of first screening mechanism is equipped with first feed inlet, the one end of keeping away from the motor of first screening mechanism is equipped with first coarse grain discharge gate and first fine grain discharge gate, first coarse grain discharge gate sets up on the length that the drum inner wall extends.

4. The secondary screening machine according to claim 3, wherein: the second screening mechanism is provided with a second feeding hole, the second feeding hole is communicated with the first coarse particle discharging hole, and a second fine particle discharging hole and a second coarse particle discharging hole are formed in one end, far away from the second feeding hole, of the second screening mechanism.

5. The secondary screening machine according to claim 3, wherein: an inclined first conveying belt is arranged below the cylinder, one end of the first conveying belt is arranged below the first fine particle discharge port, and one end of the first conveying belt, which is arranged below the first fine particle discharge port, is higher than the other end of the first conveying belt.

6. The secondary screening machine according to claim 4, wherein: and the second feeding hole is communicated with the first coarse particle discharging hole through a second conveying belt.

7. The secondary screening machine according to claim 1, wherein: one end of the cylinder close to the motor is higher than one end far away from the motor.

8. The secondary screening machine according to claim 1, wherein: the screen cloth and the conveyer belt are the slope setting, the screen cloth is located second feed inlet one end and is higher than the other end, screen cloth and conveyer belt inclination are unanimous.